Search Subject Areas | Preprints.org

Working Paper REVIEW

Review on Synthesis and Applications of Zinc Oxide Nanoparticles

Darshita MN, Richa Sood

Subject: Chemistry And Materials Science, Biomaterials Keywords: Zinc nanoparticles; Plant extract; Green Synthesis; Characterization; Mechanism; Applications

Online: 28 May 2021 (09:58:44 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201611.0038.v1

Synthesis of Polyhydroxybutyrate Particles with Micro-to-Nanosized Structures and Application as Protective Coating for Packaging Papers

Vibhore Kumar Rastogi, Pieter Samyn

Subject: Chemistry And Materials Science, Biomaterials Keywords: polyhydroxybutyrate; nanofibrillated cellulose; paper coating; hydrophobicity

Online: 7 November 2016 (06:59:27 CET)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201702.0010.v1

A Novel Biomimetic Approach to Repair Enamel Cracks/Carious Damages and to Reseal Dentinal Tubules by Amorphous Polyphosphate

Werner E.G. Müller, Maximilian Ackermann, Meik Neufurth, Emad Tolba, Shunfeng Wang, Qingling Feng, Heinz C. Schröder, Xiaohong Wang

Subject: Chemistry And Materials Science, Biomaterials Keywords: amorphous polyphosphate microparticles; retinyl acetate; enamel cracks/fissures; Streptococcus mutans; human mesenchymal stem cells; collagen type I; alkaline phosphatase

Online: 4 February 2017 (07:37:55 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201704.0005.v1

High-Performance Microcrystalline Cellulose/Soy Protein Isolate-Based Nanocomposite Film via Cu and Zn Nanoclusters Modification

Kuang Li, Shicun Jin, Hui Chen, Jing He, Jianzhang Li

Subject: Chemistry And Materials Science, Biomaterials Keywords: Soy protein isolate; Microcrystalline cellulose; Metal nanoclusters; Nanocomposite film; Tensile strength

Online: 3 April 2017 (16:42:12 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201708.0059.v1

Quasi-Static and Tensile Behaviors of the Bamboos

Baoming Gong, Shaohua Cui, Ziye Fan, Fuguang Ren, Qian Ding, Yongtao Sun, Bin Wang

Subject: Chemistry And Materials Science, Biomaterials Keywords: moso bamboo; quasi-static behavior; tensile behavior; size effect on energy absorption; damage pattern of the multiple bamboo columns; macroscopic tensile fracture mode

Online: 17 August 2017 (07:53:23 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202010.0213.v1

The Sensory Evaluation and Mechanical Properties of Functional Gummy in the Malaysian Market

Mohd Muzamir Mahat, Awis Sukarni Mohmad Sabere, Saiful 'Arifin Shafiee, Mohd Azizi Nawawi, Hairul Hisham Hamzah, Muhammad Afiq Fikri Md Jamil, Nazreen Che Roslan, Mohamed Izzharif Abdul Halim, Muhd Fauzi Safian

Subject: Chemistry And Materials Science, Biomaterials Keywords: Food Analysis; Texture Profile Analysis; FTIR, Sensory Evaluation

Online: 12 October 2020 (07:57:48 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints201609.0092.v1

A Review of PMMA Bone Cement and Intra-Cardiac Embolism

Puneeth Shridhar, Yanfei Chen, Ramzi Khalil, Anton Plakseyhuk, Sung Kwon Cho, Bryan Tillman, Prashant N. Kumta, Youngjae Chun

Subject: Chemistry And Materials Science, Biomaterials Keywords: PMMA; bone cement; cardiac embolism; cement leakage; viscosity

Online: 26 September 2016 (10:34:26 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201611.0150.v1

3D Printing of Cytocompatible Water-Based Light-Cured Polyurethane with Hyaluronic Acid for Cartilage Tissue Engineering Applications

Ming-You Shie, Wen-Ching Chang, Li-Ju Wei, Yu-Hsin Huang, Chien-Han Chen, Yi-Wen Chen, Yu-Fang Shen

Subject: Chemistry And Materials Science, Biomaterials Keywords: water-based polyurethane; hyaluronic acid; cartilage tissue engineering; scaffold

Online: 30 November 2016 (04:28:15 CET)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints201611.0060.v1

The Telomerase-Derived Anticancer Peptide Vaccine GV1001 as an Extracellular Heat Shock Protein-Mediated Cell-Penetrating Peptide

Hong Kim, Eun-Hye Seo, Seung-Hyun Lee, Bum-Joon Kim

Subject: Chemistry And Materials Science, Biomaterials Keywords: cell-penetrating peptides (CPPs); reverse-transcriptase-subunit of telomerase (hTERT); GV1001; heat shock protein 90

Online: 11 November 2016 (09:59:30 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201608.0179.v1

A Prelimary Molecular Approach for Characterizing Microorganisms Having the Potentials for Bioleaching of Iron Ore

Emmanuel Ekpa, Ikechukwu Onwurah, Lawrence Ezeanyika, John Odiba

Subject: Chemistry And Materials Science, Biomaterials Keywords: bioleaching; molecuar analysis; bacteria; sequencing; iron ore

Online: 19 August 2016 (09:23:04 CEST)

Show abstract| Download PDF| Share

One consequence of the global technological advancement in conventional metallurgy is the fast depletion rate of valuable minerals, which are also becoming increasingly difficult to find in pure and economically viable forms. This has spurred more interest in technologies that investigate ability of different microorganisms to mobilize valuable metals from their ores via diverse metabolic processes. This study was carried out therefore to isolate, identify and characterize iron solubilizing bacteria from Iron stones of Agbaja iron ore mining site of Kogi State, Nigeria. Crushed samples in the range of 0.25µm and 0.75µm particle sizes were cultured in a modified 9k media to facilitate bacterial growth and pure cultures were then isolated and sub-cultured for further bioleaching studies. Morphological and biochemical analysis suggests that some of the bacteria identified are members of Acidithiobacillus spp, Pseudomonas spp, and Leptospirillum spp. Studies conducted on pure cultures and mixed consortium of the identified organisms shows that a mixture of the three organisms leached iron ore to about 96.16%. Also results of growth pattern due to bacteria countafter 24-72hours of incubation ranged between 0.1×10³ cfu/ml and 12.3 ×10³ cfu/ml for Acidithiobacillus spp. The need to explore the molecular characteristics of these organisms with a view to generating more information on the quality/quantity of their DNA for future cloning activities was also investigated in this work. DNA was extracted using zymo fungal/bacterial extraction mini prep kit ^TM (cat #6001) and subsequently subjected to 1% agarose gel electrophoresis. Visible bands were obtained with Alpha Innotech Gel Documentation Machine. DNA amplification was carried out using a pettier based thermo cycler PCR machine and electrophoresed on 1.5% agarose gel. Results of the PCR shows a visible band corresponding to 1.5kbp using this primer 27F (5¹-GAGTTTGATCCTGGCTCAG-3¹) and 1492R (5^1-GGTTACCTTGTTACGACT-3¹). DNA purity check shows two of the bacteria possess very good qualities for sequencing for further molecular analysis.

Preprint REVIEW | doi:10.20944/preprints202101.0297.v1

Carbon-Based Nanomaterials: Promising Antiviral Agents to Combat COVID-19 in the Microbial Resistant Era

Ángel Serrano-Aroca, Kazuo Takayama, Alberto Tuñón-Molina, Murat Seyran, Sk. Sarif Hassan, Pabitra Pal Choudhury, Vladimir N. Uversky, Kenneth Lundstrom, Parise Adadi, Giorgio Palù, Alaa A. A. Aljabali, Gaurav Chauhan, Ramesh Kandimalla, Murtaza M. Tambuwala, Amos Lal, Bruce D. Uhal, Adam M. Brufsky

Subject: Chemistry And Materials Science, Biomaterials Keywords: COVID-19; SARS-CoV-2; carbon-based nanomaterials; antiviral properties; pneumonia

Online: 15 January 2021 (13:30:21 CET)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints201703.0072.v1

Review of Antibacterial Activity of Titanium-based Implants Surfaces Fabricated by Micro-arc Oxidation

Xiaojing He, Xiangyu Zhang, Xin Wang, Lin Qin

Subject: Chemistry And Materials Science, Biomaterials Keywords: micro-arc oxidation; antibacterial ability; Ag; Cu; Zn

Online: 14 March 2017 (07:49:40 CET)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints201908.0222.v1

Trends in Decellularized Extracellular Matrix Bioinks for 3D Printing: Inspiring a new Kind of Medicine

Kevin Dzobo, Shirley Motaung, Adetola Adesida

Subject: Chemistry And Materials Science, Biomaterials Keywords: Keywords: regenerative medicine; tissue engineering; decellularized extracellular matrix; 3D bioprinting; bioink, scaffolds; biofabrication; transplantation.

Online: 21 August 2019 (09:46:26 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201812.0329.v1

White Paper on the Biologization of Materials Research

Christof M. Niemeyer, Martin Bastmeyer, Stefan Bräse, Jörg Lahann, Christof Woell

Subject: Chemistry And Materials Science, Biomaterials Keywords: biomaterials; biofabrication; compartmentalization; materials research; microsystems; nanotechnology; self-assembly; self-organization

Online: 28 December 2018 (04:46:37 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201703.0023.v1

In-depth Analysis of the Structure and Properties of Two-variety Natural Luffa Sponge Fibers

Yuxia Chen, Na Su, Kaiting Zhang, Shiliu Zhu, Lei Zhao, Fei Fang, Linyan Ren, Yong Guo

Subject: Chemistry And Materials Science, Biomaterials Keywords: luffa sponge fiber bundles; mechanical properties; anatomical characteristic; moisture regain; thermal performance

Online: 6 March 2017 (04:32:21 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201703.0212.v1

SEM-EDX Study of the Degradation Process of Two Xenograft Materials Used in Sinus Lift Procedures

Maria Piedad Ramirez Fernandez, Sergio Alexander Gehrke, Carlos Perez Albacete Martinez, Jose Luis Calvo Guirado, Piedad N. De Aza

Subject: Chemistry And Materials Science, Biomaterials Keywords: hydroxyapatite; xenografts; scanning electron microscopy; degradation; resorption; Ca/P ratio; bone response; biocompatibility

Online: 28 March 2017 (17:09:44 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201808.0145.v1

A New All-Solid-State Lithium-Ion Battery Working without a Separator in an Electrolyte

Seonggyu Cho, Shinho Kim, Wonho Kim, Seok Kim, Sungsook Ahn

Subject: Chemistry And Materials Science, Biomaterials Keywords: secondary lithium ion battery; all-solid-state battery; solid polymer electrolyte; succinonitrile (SN); lithium(trifluoromethanesulfonyl)imide (LiTFSI)

Online: 7 August 2018 (13:18:20 CEST)

Show abstract| Download PDF| Supplementary Files| Share

Working Paper ARTICLE

Heat and Photon Energy Phenomena: Dealing with Matter at Atomic and Electronic Level

Mubarak Ali

Subject: Chemistry And Materials Science, Biomaterials Keywords: Heat energy; Photons; Fundamental forces; Electron dynamics; Atomic scale phenomenon; Electronic scale phenomenon

Online: 27 December 2017 (09:21:19 CET)

Show abstract| Download PDF| Share

Technology is reaching its climax, but the basic understanding of science in numerous phenomena is still required. A misconception in the use of terms, photon and electron, exists in different areas of the science. When an electron of the outer ring of silicon atom executes interstate dynamics for only one cycle, it generates the force and energy equal to the unit photon. So, interstate dynamics of the electron for one forward cycle and one reverse cycle generate the overt photon having the least measured length. Thus, a unit photon is a subset of the overt photon. When the photon of suitable length interacts with the side of laterally orientated electron clamped by the energy knot of atom, photon divides into the tits and bits of heat. When the photon interacts with the tip of laterally orientated electron by making the approximate angle of 90º, photon divides into the bits of energy having shape like integral symbols. In silicon atom, electrons of the outer ring execute confined interstate dynamics upon exerting forces along the poles; centre of the atom acts as the reference point for electrons executing interstate dynamics and the lateral-wise lengths of the electrons are along the north-south poles. In neutral-state silicon atom, the involved heat energy starts wrapping the force shaping along the trajectory of electron executing interstate dynamics of forward and reverse cycles. The force is being shaped on the sides of electron not dealing with the exertion of forces. In interstate dynamics, electron of the outer ring first reaches to the ‘maximum limit point’, where energy of one bit engaged to wrap force shaping along the trajectory. From the ‘maximum limit point’, electron completes the second half cycle by dealing with the exerting forces, where again energy of one bit is engaged. In this way, an electron depicts the force and energy relation in the form of unit photon. The shape of unit photon is like Gaussian distribution turned from both ends. If the uninterrupted supply of heat energy is available for neutral-state silicon atom, interstate dynamics of the electron generate the photon (energy) having the shape like wave. Path independent forces (but interstate dependent forces) take over the control of electron, thus electron executes dynamics nearly in the speed of light. A photon can be in the continuous and unending length if the changing aspect of the electron remains uninterrupted. In the interstate dynamics, conservative forces exert to position-acquiring electron as per the natural viability. Electron of interstate dynamics recalls auxiliary moment of inertia at each point of turning as it does not have contact to energy knots confining the dynamics. Under neutral states, different atoms generate photon energy of different shapes. So, atoms change correspondence according to the mechanism of electron dynamics. Here, heat and photon energy discuss the matter at atomic and electronic levels to explore the foundation of science.

Preprint ARTICLE | doi:10.20944/preprints201704.0113.v1

Effect of Henna Addition on the Surface Roughness and Hardness of Polymethylmethacrylate Denture Base Material: An In-vitro Study

Amal Nawasrah, Mohammed Gad, Mai El Zayat

Subject: Chemistry And Materials Science, Biomaterials Keywords: polymethylmethacrylate PMMA; henna; physical properties; hardness; surface roughness

Online: 18 April 2017 (12:24:49 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202106.0617.v1

Solid-State Hydrogen Storage: Materials, Systems and the Relevance of a Gender Perspective

Erika Michela Dematteis, Jussara Barale, Marta Corno, Alessandro Sciullo, Marcello Baricco, Paola Rizzi

Subject: Chemistry And Materials Science, Biomaterials Keywords: energy transition; hydrogen; hydrogen storage; metal hydride; complex hydride; hydrogen tank; social impact; gender

Online: 25 June 2021 (11:44:46 CEST)

Show abstract| Download PDF| Share

This paper aims at addressing the exploitation of solid-state carriers for hydrogen storage, with attention paid both to the technical aspects, through a wide review of the available integrated systems, and to the social aspects, through a preliminary overview of the connected impacts from a gender perspective. As for the technical perspective, carriers to be used for solid-state hydrogen storage for various applications can be classified into two classes: metal and complex hydrides. Related crystal structures and corresponding hydrogen sorption properties are reviewed and discussed. Fundamentals of thermodynamics of hydrogen sorption evidences the key role of the enthalpy of reaction, which determines the operating conditions (i.e. temperatures and pressures). In addition, it rules the heat to be removed from the tank during hydrogen absorption and to be delivered to the tank during hydrogen desorption. Suitable values for the enthalpy of hydrogen sorption reaction for operating conditions close to ambient (i.e. room temperature and 1-10 bar of hydrogen) are close to 30 kJ·molH2 1. The kinetics of hydrogen sorption reaction is strongly related to the microstructure and to the morphology (i.e. loose powder or pellets) of the carriers. Usually, kinetics of hydrogen sorption reaction is rather fast, and the thermal management of the tank is the rate determining step of the processes. As for the social perspective, various scenarios for the applications in different socio-economic contexts of solid-state hydrogen storage technologies are described. As it occurs with the exploitation of other renewables innovative technologies, a wide consideration of the social factors connected to these processes is needed to assess the extent to which a specific innovation might produce positive or negative impacts in the recipient socio-economic system and to explore the potential role of the social components and dynamics in fostering the diffusion of the innovation itself. Attention has been addressed to the gender perspective, in view of the enhancement of hydrogen-related energy storage systems, intended both in terms of the role of women in triggering the exploitation of hydrogen-based storage as well as to the impact of this innovation in their current conditions, at work and in daily life.

Preprint ARTICLE | doi:10.20944/preprints201703.0099.v1

Effect of Fibers on Mixture Design of Stone Matrix Asphalt

Yanping Sheng, Haibin Li, Ping Guo, Guijuan Zhao, Huaxin Chen, Rui Xiong

Subject: Chemistry And Materials Science, Biomaterials Keywords: stone matrix asphalt; volume parameters; Marshall Stability; flocculent lignin fiber; polyester fiber; mineral fiber; fiber content

Online: 15 March 2017 (08:25:11 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201806.0047.v1

Artificial Membrane Induced by Novel Biodegradable Nanofibrous Scaffold in the Masquelet Procedure for the Treatment of Segmental Bone Defects

Yi-Hsun Yu, Ren-Chin Wu, Demei Lee, Che-Kang Chen, Shih-Jung Liu

Subject: Chemistry And Materials Science, Biomaterials Keywords: biodegradable nanofibers; PLGA; masquelet technique

Online: 5 June 2018 (05:35:14 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201702.0009.v1

Synthesis and Thrombin, Factor Xa and U46619 Inhibitory Effects of Non-amidino and Amidino N²-Thiophenecarbonyl- and N²-Tosylanthranilamides

Soo Hyun Lee, Wonhwa Lee, Nguyen Thi Ha, Il Soo Um, Jong-Sup Bae, Eunsook Ma

Subject: Chemistry And Materials Science, Biomaterials Keywords: N2-Arylcarbonyl/sulfonylanthranilamides; Prothrombin time; Activated partial thromboplastin time; Thrombin; Factor Xa; U46619

Online: 3 February 2017 (18:55:26 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201703.0019.v1

Influence of the Electrolyte Concentration on the Smooth TiO2 Anodic Coatings on Ti-6Al-4V

María Laura Vera, Ángeles Colaccio, Mario Roberto Rosenberger, Carlos Enrique Schvezov, Alicia Esther Ares

Subject: Chemistry And Materials Science, Biomaterials Keywords: anodic oxidation; titanium dioxide; electrolyte concentration; sulfuric acid

Online: 2 March 2017 (18:25:55 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202108.0128.v1

Effect of Graphene Oxide and Multi-Walled Carbon Nanotubes on the Structure and Properties of Pitch Derived Carbon Foam Composites

Amjad Hussain, Muhammad Khan, Ammara Nawaz, Li Tiehu, Amir Zada, Hidayat Hussain, Muhammad Imran, Nusrat Hussain, Asif Hayat, Ataf Ali Altaf, Ikram Ahmad, Hassan Fauad, Yaser H.A. Elewa, Gaber El-Saber Batiha

Subject: Chemistry And Materials Science, Biomaterials Keywords: Carbon foam; multi walled carbon nanotubes; Graphene oxide; electrical; mechanical and thermal properties

Online: 5 August 2021 (08:36:50 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201703.0085.v1

Nurse´s A-phase material enhance adhesion, growth and differentiation of human bone marrow-derived stromal mesenchymal stem cells

Ruben Rabadan-Ros, Salvador Aznar-Cervantes, Patricia Mazón, Patricia Ros-Tarraga, PIEDAD N. DE AZA, LUIS MESEGUER-OLMO

Subject: Chemistry And Materials Science, Biomaterials Keywords: TCP-C2S, Nurse ´A ceramic, Biomaterials, adult human mesenchymal stem cells, Solid State Reaction, Biomedical applications.

Online: 14 March 2017 (13:43:13 CET)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201706.0106.v1

Effect of a Particulate and a Putty-Like Tricalcium Phosphate-Based Bone Grafting Material on Bone Formation, Volume Stability and Osteogenic Marker Expression after Bilateral Sinus Floor Augmentation in Humans

Christine Knabe, Doaa Adel-Khattab, Esther Kluk, Rainer Struck, Michael Stiller

Subject: Chemistry And Materials Science, Biomaterials Keywords: Tricalcium phosphate putty scaffold; bioactive ceramics; bone formation, osteogenesis, osteogenic markers, hard tissue histology; immunohistochemical analysis; split-mouth design; sinus floor augmentation; bone grafting materials

Online: 22 June 2017 (18:33:01 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201711.0189.v1

Development of Antimicrobial Biocomposite Films to Preserve Quality of Bread

Kelly Johana Figueroa López, Margarita Maria Andrade Mahecha, Olga Lucía Torres Vargas

Subject: Chemistry And Materials Science, Biomaterials Keywords: biocomposite films; gelatin; oleoresins; antimicrobial compounds; food quality

Online: 29 November 2017 (10:23:11 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202107.0675.v1

Vertically Aligned Binder-Free TiO₂ Nanotube Arrays Doped with Fe, S and Fe-S for Li-ion Batteries

Suriyakumar Dasarathan, Mukarram Ali, Tai-Jong Jung, Junghwan Sung, Yoon-Cheol Ha, Jun Woo Park, Doohun Kim

Subject: Chemistry And Materials Science, Biomaterials Keywords: Li-ion batteries; Binder-free electrodes; TiO2 nanotube arrays; Electrochemical anodization; Elemental doping

Online: 30 July 2021 (09:06:37 CEST)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201703.0226.v1

Comparison of Two Xenograft Materials Used in Sinus Lift Procedures: Material Characterization and in Vivo Behavior

María Piedad Ramírez Fernández, Patricia Mazón, Sergio A. Gehrke, Jose L. Calvo Guirado, Piedad N. De Aza

Subject: Chemistry And Materials Science, Biomaterials Keywords: hydroxyapatite; xenografts; physicochemical-characterization; tissue reaction

Online: 31 March 2017 (08:35:07 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202107.0647.v1

Graphene – Diamond Nanomaterials: A Status Quo Review

Jana Vejpravová

Subject: Chemistry And Materials Science, Biomaterials Keywords: graphene; diamond; nanodiamond; diamane; graphene-diamond nanomaterials; all carbon materials; electrochemistry; mechanochemistry; sensor; supercapacitor; field-effect transistor; detector; superlubrication; tribology; graphene-diamond phase transformation

Online: 29 July 2021 (10:46:30 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202107.0342.v1

Economic Potential of Rare Earth Elements in the Philippine Phosphogypsum

Jennyvi D. Ramirez, Reymar R. Diwa, Botvinnik L. Palattao, Estrellita U. Tabora, Angel T. Bautista VII, Rolando Y. Reyes

Subject: Chemistry And Materials Science, Biomaterials Keywords: phosphogypsum; REE; tailings pond; phosphate industry

Online: 15 July 2021 (09:10:36 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202107.0677.v1

Heterogeneous Double Metal Cyanide Catalyzed Synthesis of Poly(ε-caprolactone) Polyols for the Preparation of Thermoplastic Elastomers

Chinh Hoang Tran, Min Woong Lee, Sang Woo Park, Jae Eon Jeong, Soo Jeong Lee, Wenliang Song, PilHo Huh, Il Kim

Subject: Chemistry And Materials Science, Biomaterials Keywords: double metal cyanide; heterogeneous catalysis; caprolactone; ring-opening polymerization; thermoplastic elastomer

Online: 30 July 2021 (09:07:49 CEST)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201706.0004.v1

Implant Stability of Biological Hydroxyapatites Used in Dentistry

María Piedad Ramírez Fernández, Sergio Alexander Gehrke, Patricia Mazón, Jose Luis Calvo-Guirado, Piedad N. De Aza

Subject: Chemistry And Materials Science, Biomaterials Keywords: hydroxyapatite, xenografts; implant design; implant surface

Online: 1 June 2017 (06:19:41 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202108.0069.v1

Nanosensors Based on Structural Memory Carbon Nanodots for Ag+ Fluorescence Determination

Xi Zhou, Yufeng Cao, Xinji Zhou, Lina Xu, Daihui Zhang, Chunpeng Wang, Fuxiang Chu, Tao Qian

Subject: Chemistry And Materials Science, Biomaterials Keywords: Carbon nanodots; Silver ion; Fluorescent sensor; Structural memory; Intracellular imaging

Online: 3 August 2021 (10:14:39 CEST)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201801.0033.v1

Delivery of Mesenchymal Stem Cells from Gelatin-Alginate Hydrogels to Stomach Lumen for Treatment of Gastroparesis

Binata Joddar, Nishat Tasnim, Vikram Thakur, Alok Kumar, Richard W. Mccallum, Munmun Chattopadhyay

Subject: Chemistry And Materials Science, Biomaterials Keywords: tissue engineering; lumen; stem cells, interstitial cells of Cajal; hydrogel scaffolds

Online: 5 January 2018 (09:36:18 CET)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201706.0060.v1

In Vitro Quantified Determination of β-Amyloid 42 Peptides, a Biomarker of Neuro-Degenerative Disorders, in PBS and Human Serum Using a Simple, Cost-effective Thin Gold Film Biosensor

Yifan Dai, Alireza Molazemhosseini, Chung Chiun Liu

Subject: Chemistry And Materials Science, Biomaterials Keywords: β-amyloid 42; differential pulse voltammetry; Neuro-degenerative disorders; ferrocyanide/ferricyanide redox couple

Online: 13 June 2017 (18:14:57 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202103.0293.v1

The Modulating Effect of Ethanol on the Morphology of a Zr-based Metal-Organic Framework under Room Temperature in the Cosolvent System

Yunzhuo Li, Zirong Tang, Chen Chen

Subject: Chemistry And Materials Science, Biomaterials Keywords: Metal-Organic Framework; MOF-801; Modulators; Ethanol; Marangoni Flow Effect

Online: 10 March 2021 (16:22:10 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201707.0023.v1

Histological and Immunohistochemical Analyses of Repair of the Disc in the Rabbit Temporomandibular Joint Using a Collagen Template

Kuo-Hwa Wang, Wing P. Chan, Li-Hsuan Chiu, Yu-Hui Tsai, Chia-Lang Fang, Charn-Bing Yang, Hung-Li Tsai, Wen-Fu Lai

Subject: Chemistry And Materials Science, Biomaterials Keywords: temporomandibular joint disc; reconstituted collagen template; tissue regeneration

Online: 11 July 2017 (16:23:01 CEST)

Show abstract| Download PDF| Supplementary Files| Share

Preprint CASE REPORT | doi:10.20944/preprints201710.0116.v1

Evidence of Intratubular Biomineralization in a Root Canal Filled with Calcium Enriched Material over 8 Years

Yeon-Jee Yoo, Yoo Sang Lee, Jun-Sang Yoo, Hiran Perinpanayagam, Chang Seon Yoo, Hyen Sug Kang, Soram Oh, Seok Woo Chang, Kee-Yeon Kum

Subject: Chemistry And Materials Science, Biomaterials Keywords: biomineralization; calcium enriched material; calcium deficient hydroxyapatite; dentinal tubule; energy dispersive spectroscopy; scanning electron microscopy

Online: 17 October 2017 (11:50:20 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202108.0134.v1

Methylcellulose-Cellulose Nanocrystal Composites for Optomechanically Tunable Hydrogels and Fibers

Ville Hynninen, Jani Patrakka, Nonappa Nonappa

Subject: Chemistry And Materials Science, Biomaterials Keywords: Methylcellulose; cellulose nanocrystal; hydrogel; birefringence; wet-spinning; optical fiber; thermoresponsive; LCST; nanocomposite

Online: 5 August 2021 (10:15:49 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202107.0662.v1

Lightweight, Ferroelectric-Ferromagnetic Polymer- Nanocomposites for Field Sensor Applications

Chakradhar Behera

Subject: Chemistry And Materials Science, Biomaterials Keywords: Magnetoelectric Polymer Nanocomposite; PVDF; Dielectric properties; Electrical properties

Online: 29 July 2021 (14:04:33 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202108.0151.v1

A Molecular Dynamics Simulations Study of the Influence of Prestrain on the Pop-in Behavior and Indentation Size Effect in Cu Single Crystals

Rong-Guang Xu, Hengxu Song, Yongsheng Leng, Stefanos Papanikolaou

Subject: Chemistry And Materials Science, Biomaterials Keywords: nanoindentation; avalanches; pop-ins

Online: 6 August 2021 (08:13:54 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201712.0087.v1

Pyrolysis Optimization of Agricultural Waste Using Taguchi L9 Orthogonal Array Design

Roberto Antonio Canales Flores, Francisco Prieto García, Elena María Otazo Sánchez, Ana María Bolarín Miró , Otilio Arturo Acevedo Sandoval

Subject: Chemistry And Materials Science, Biomaterials Keywords: pyrolysis; biomass; biochar; Taguchi; optimization

Online: 14 December 2017 (08:03:42 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202012.0707.v1

Laser Additive Manufacturing of Si/ZrO₂Tunable Crystalline Phase 3D Nanostructures

Greta Merkininkaite, Edvinas Aleksandravicius, Mangirdas Malinauskas, Darius Gailevicius, Simas Sakirzanovas

Subject: Chemistry And Materials Science, Biomaterials Keywords: multiphoton lithography; crystalline; 3D nanostructures; ceramic; glass; additive manufacturing

Online: 28 December 2020 (15:44:19 CET)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201712.0086.v1

Physico-Chemical Characterization of Agricultural Residues as Precursors for Activated Carbon Preparation

Roberto Antonio Canales Flores, Francisco Prieto García, Elena María Otazo Sánchez, Ana María Bolarín Miró, Otilio Arturo Acevedo Sandoval

Subject: Chemistry And Materials Science, Biomaterials Keywords: activated carbon; barley husk; corn cob; agave leaves; biomass; thermogravimetry

Online: 14 December 2017 (07:46:00 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201901.0257.v1

Threshold Bloodstain Recognition Method Based on Hyper-spectral Imaging Technology

Nannan Hu, Yunuan Wang, Xiaofei Li, Yonglei Liu, Jingjing Wang, Liren Zhang, Yuefeng Zhao

Subject: Chemistry And Materials Science, Biomaterials Keywords: Hyper-spectral imaging system; Spectral characteristics; Image processing; Threshold method; Bloodstains recognition

Online: 25 January 2019 (14:54:14 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201801.0149.v1

Collagen-Coated Poly(lactide-co-glycolide)/Hydroxyapatite Scaffold Incorporated with DGEA Peptide for Synergistic Repair of Skull Defect

Ming Bi, Hui Han, Shujun Dong, Ying Zhang, Weiguo Xu, Bitao Zhu, Jingyun Wang, Yanmin Zhou, Jianxun Ding

Subject: Chemistry And Materials Science, Biomaterials Keywords: porous scaffold; collagen coating; bioactive peptide; skull defect repair; tissue engineering

Online: 17 January 2018 (06:48:17 CET)

Show abstract| Download PDF| Supplementary Files| Share

Preprint COMMUNICATION | doi:10.20944/preprints202103.0463.v1

Pyrometallurgy and Electrometallurgy of Rare Earths – Part A: Analysis of Metallothermic Reduction and its Variants

Muhammad Musaddique Ali Rafique

Subject: Chemistry And Materials Science, Biomaterials Keywords: metallothermy; thermodynamics; Ellingham diagrams; Nernst equation; Pourbaix (Eh-pH) diagrams; E-pO-2 diagrams

Online: 18 March 2021 (09:31:48 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201902.0034.v1

Chitosan-Coated Nanoparticles: Effect of Chitosan Molecular Weight on Nasal Transmucosal Delivery

Franciele Aline Bruinsmann, Stefania Pigana, Tanira Aguirre, Gabriele Dadalt Souto, Gabriele Garrastazu Pereira, Annalisa Bianchera, Laura Tiozzo Fasiolo, Gaia Colombo, Magno Marques, Adriana Raffin Pohlmann, Silvia Stanisçuaski Guterres, Fabio Sonvico

Subject: Chemistry And Materials Science, Biomaterials Keywords: nasal permeability; nose-to-brain; simvastatin; nanocapsules; mucoadhesion; CNS disorders; chitosan

Online: 4 February 2019 (13:27:10 CET)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202201.0035.v1

A Review on Cellulose-based Materials for Biomedicine

Hani Nasser Abdelhamid, Aji P. Mathew

Subject: Chemistry And Materials Science, Biomaterials Keywords: Cellulose; Biomedical; Wound healing; Drug delivery; Antibacterials; Tissue engineering

Online: 5 January 2022 (11:00:57 CET)

Show abstract| Download PDF| Share

Preprint COMMUNICATION | doi:10.20944/preprints201805.0114.v1

Comparison of the Properties of Activated Carbons Produced in a One-stage And a Two-Stage Process

Davide Bergna, Toni Varila, Henrik Romar, Ulla Lassi

Subject: Chemistry And Materials Science, Biomaterials Keywords: biomass; biochar; activation; activated carbon; thermal treatment, physical activation; porosity, specific surface areas

Online: 7 May 2018 (10:30:25 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201904.0299.v1

Green Synthesis, Structural, In Vitro and Vivo Bioactivity Properties of ZnO Nanoparticles for Biomedical Applications

Essam H. Ibrahim, Obaid Albulym, Omer Kaygili, Mona Kilany, Mohd Shkir, Mai S.A. Hussien, Niyazi Bulut, I.S. Yahia

Subject: Chemistry And Materials Science, Biomaterials Keywords: X-ray diffraction; bioactivities; cytotoxicity test; Anti-cancer activities

Online: 26 April 2019 (11:00:21 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202107.0664.v1

Sustained-Release and pH-Adjusted Alginate Microspheres-Encapsulated Doxorubicin Inhibit the Viabilities in Hepatocellular Carcinoma-Derived Cells

Cheng-Tang Pan, Ruei-Siang Yu, Chih-Jung Yang, Lih-Ren Chen, Zhi-Hong Wen, Nai-Yu Chen, Hsin-You Ou, Chun-Yen Yu, Yow-Ling Shiue

Subject: Chemistry And Materials Science, Biomaterials Keywords: sodium alginate; microsphere; ultrasonic atomization; Dox; pH-adjusted

Online: 29 July 2021 (14:07:33 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201706.0011.v1

Epidermal Growth Factor Enhances Cellular Uptake of Polystyrene Nanoparticles by Clathrin-mediated Endocytosis

Le Thi Minh Phuc, Akiyoshi Taniguchi

Subject: Chemistry And Materials Science, Biomaterials Keywords: EGF; PS NPs; cellular uptake; clathrin-mediated endocytosis

Online: 2 June 2017 (05:23:52 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202104.0652.v1

Enzymatic Crosslinked Hydrogels for Biomedical Application

Elham Badali, Maryam Mohajer, Sajad Hassanzadeh, Sepideh Saghati, Mehdi Khanmohammadi

Subject: Chemistry And Materials Science, Biomaterials Keywords: Enzymatic reaction; crosslinking; Hydrogel; Biomedical application; Tissue engineering; Wound healing; Drug delivery

Online: 26 April 2021 (10:52:24 CEST)

Show abstract| Download PDF| Share

Working Paper REVIEW

Silicon Nitride, a Close to Ideal Ceramic Material for Medical Application

Robert B. Heimann

Subject: Chemistry And Materials Science, Biomaterials Keywords: Silicon nitride; structure; properties; processing; coatings; spinal implants; arthroplastic implants; bone scaffolds; dental implants; neural circuits; biosensors; medical diagnostics.

Online: 25 March 2021 (15:27:22 CET)

Show abstract| Download PDF| Share

Working Paper REVIEW

Structural Changes of Hydroxylapatite During Plasma Spraying: Raman and NMR Spectroscopy Results

Robert Bertram Heimann

Subject: Chemistry And Materials Science, Biomaterials Keywords: hydroxylapatite, oxyhydroxylapatite, oxyapatite, tricalcium phosphate, tetracalcium phosphate, Raman spectroscopy, MAS-CP NMR spectroscopy, 2D-HETCOR NMR spectroscopy.

Online: 5 August 2021 (11:06:47 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201805.0093.v1

Ultrashort Self-Assembling Peptide Hydrogel for the Treatment of Fungal Infections

Alyaa Albadr, Sophie M Coulter, Raghu Raj Singh Thakur, Garry Laverty

Subject: Chemistry And Materials Science, Biomaterials Keywords: Peptide; self-assembly; nanomaterial; hydrogel; aspergillosis; candidiasis.

Online: 4 May 2018 (12:58:24 CEST)

Show abstract| Download PDF| Supplementary Files| Share

The threat of antimicrobial resistance to society is compounded by a relative lack of new clinically effective licensed therapies reaching patients over the past three decades. This has been particularly problematic within antifungal drug development leading to a rise in fungal infection rates and associated mortality. This paper highlights the potential of an ultrashort peptide, (naphthalene-2-ly)-acetyl-diphenylalanine-dilysine-OH (NapFFKK-OH), encompassing hydrogel-forming and antifungal properties within a single peptide motif, thus overcoming formulation (e.g. solubility, drug loading) issues associated with many current employed highly hydrophobic antifungals. A range of fungal susceptibility (colony counts) and cell cytotoxicity (MTS cell viability, LIVE/DEAD staining® with fluorescent microscopy, haemolysis) assays were employed. Scanning electron microscopy confirmed the nanofibrous architecture of our self-assembling peptide, existing as a hydrogel at concentrations of 1% w/v and above. Broad-spectrum activity was demonstrated against a range of fungi clinically relevant to infection (Aspergillus niger, Candida glabrata, Candida albicans, Candida parapsilosis and Candida dubliniensis) with greater than 4 log10 CFU/mL reduction at concentrations of 0.5% w/v and above. We hypothesise antifungal activity is due to targeting of anionic components present within fungal cell membranes resulting in membrane disruption and cell lysis. NapFFKK-OH demonstrated reduced toxicity against mammalian cells (NCTC 929, ARPE-19) suggesting increased selectivity for fungal cells. However, further studies relating to safety for systemic administration is required, given the challenges toxicity has presented in the wider context of antimicrobial peptide drug development. Overall this study highlights the promise of NapFFKK-OH hydrogels, particularly as a topical formulation for the treatment of fungal infections relating to the skin and eyes, or as a hydrogel coating for the prevention of biomaterial related infection.

Preprint ARTICLE | doi:10.20944/preprints201805.0021.v1

Mesoscopic Modeling of Encapsulation of Capsaicin by Lecithin/Chitosan Liposomal Nanoparticles

Ketzasmin A. Terrón-Mejía, Evelin Martínez-Benavidez, Inocencio Higuera-Ciapara, Claudia Virués, Javier Hernández, Zaira Domínguez, Waldo Argüelles-Monal, Francisco M. Goycoolea, Roberto López-Rendón, Armando Gama Goicochea

Subject: Chemistry And Materials Science, Biomaterials Keywords: capsaicin; chitosan; lecithin; dissipative particle dynamics

Online: 2 May 2018 (11:07:01 CEST)

Show abstract| Download PDF| Supplementary Files| Share

Preprint REVIEW | doi:10.20944/preprints201807.0241.v1

Lignin-Derived Biomaterials for Drug Release and Tissue Engineering

Abla Alzagameem, Michel Bergs, Markus Witzler, Basma El Khaldi-Hansen, Stephanie E. Klein, Dorothee Hielscher, Birgit Kamm, Judith Kreyenschmidt, Edda Tobiasch, Margit Schulze

Subject: Chemistry And Materials Science, Biomaterials Keywords: biomaterial; bone regeneration; drug release; hydrogel; lignin; multivariate data processing; osteogenesis; scaffolds; stem cells; tissue engineering

Online: 13 July 2018 (15:07:37 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202104.0259.v1

Bio-Functionalization of a Novel Biocompatible High Entropy Alloy Used For Bone Implants

Mirela Maria Codescu, Alina Vladescu, Victor Geanta, Ionelia Voiculescu, Iulian Pana, Mihaela Dinu, Adrian Emil Kiss, Viorel Braic, Delia PATROI, Virgil E MARINESCU, Iordoc Mihai

Subject: Chemistry And Materials Science, Biomaterials Keywords: VAR alloy obtaining; Biomedical applications; Apatite films; Corrosion, X-ray method, Electron microscopy; Hardness

Online: 9 April 2021 (13:24:09 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202102.0568.v1

Lignin Extraction from Waste Pine Sawdust Using a Biomass Derived Binary Solvent System

Solange Magalhães, Alexandra Filipe, Elodie Melro, Catarina Fernandes, Carla Vitorino, Luís Alves, Anabela Romano, Maria Graça Rasteiro, Bruno Medronho

Subject: Chemistry And Materials Science, Biomaterials Keywords: Biomass fractionation; formic acid; levulinic acid; lignin; maritime pine

Online: 25 February 2021 (09:56:17 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202107.0655.v1

Computational Determination of Macroscopic Mechanical and Thermal Material Properties for Different Microstructural Variants of Cast Iron

Christoph Herrmann, Stefan Schmid, Daniel Schneider, Michael Selzer, Britta Nestler

Subject: Chemistry And Materials Science, Biomaterials Keywords: cast iron with lamellar graphite; graphite microstructure; mechanical properties; thermal properties; material properties; microstructure simulations; homogenization; material data workflow

Online: 29 July 2021 (12:33:20 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201801.0172.v1

Amyloid Assembly Endows Gad m 1 with Biomineralization Properties

Milagros Castellanos, Rosa Rodríguez-Pérez, María Gasset

Subject: Chemistry And Materials Science, Biomaterials Keywords: amyloids; Gad m 1, EF-hand motif, calcium carbonate precipitation, calcite

Online: 18 January 2018 (15:13:24 CET)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201807.0314.v1

Enhanced Performance of Cellulose from Palm Oil Empty Fruit Bunch (EFB) via Acetylation and Silylation

Muhammad Johan Iskandar Zahari, Noraisah Mohd Jahi, Nurul Hanisah Mohd, Ishak Ahmad, Azizah Baharum, Azwan Mat Lazim, Suria Ramli, Rizafizah Othaman

Subject: Chemistry And Materials Science, Biomaterials Keywords: empty fruit bunch, cellulose, palm oil industry, acetylation, silylation

Online: 17 July 2018 (16:05:28 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201801.0037.v1

Biological Effects of Amelogenin Exon 5 Encoded Peptide from Enamel Matrix Derivative in Human Dental Pulp Cells

Hirohito Kato, Yoichiro Taguchi, Kazuya Tominaga, Masahiro Noguchi, Kazutaka Imai, Ruan Yaru, Saitatsu Takahashi, Daisuke Kimura, Muneyasu Shida, Reiko Taguchi, Hiroshi Maeda, Akio Tanaka, Makoto Umeda

Subject: Chemistry And Materials Science, Biomaterials Keywords: Emdogain; amelogenin; dental pulp cells; cell differentiation; cell migration; mineralization

Online: 7 January 2018 (11:00:15 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201804.0268.v1

Starch-Jute fiber hybrid biocomposite modified with Epoxy resin layer: Fabrication and Experimental Characterization

Akarsh Verma, Kamal Joshi, Amit Gaur, V. K. Singh

Subject: Chemistry And Materials Science, Biomaterials Keywords: Jute fiber; Starch matrix; Epoxy resin; Biocomposite; Microstructure

Online: 20 April 2018 (13:58:18 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201803.0197.v1

Progress on the Use of Commercial Digital Optical Disc Units for Low-Power Laser Micromachining in Biomedical Applications

Aarón Cruz-Ramírez, Raúl Sánchez-Olvera, Diego Zamarrón-Hernández, Mathieu Hautefeuille, Lucia Cabriales, Edgar Jiménez-Díaz, Beatriz Díaz-Bello, Jehú López-Aparicio, Daniel Pérez-Calixto, Mariel Cano-Jorge, Genaro Vázquez-Victorio

Subject: Chemistry And Materials Science, Biomaterials Keywords: laser micromachining; scaffold; biomimetics; microadditive manufacturing; microsubtractive manufacturing

Online: 23 March 2018 (08:00:52 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201709.0010.v1

Investigation of Effective Modification Treatments for Thin Titanium Membranes

Reiko Kobatake, Kazuya Doi, Yoshifumi Oki, Hanako Umehara, Hiromichi Kawano, Takayasu Kubo, Kazuhiro Tsuga

Subject: Chemistry And Materials Science, Biomaterials Keywords: GBR; membrane; surface modification

Online: 4 September 2017 (18:25:01 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202102.0337.v1

Advanced Nanomaterial’s for Industrial Wastewater Treatment – A Review

Geetha Palani, Arputha latha L, Karthik K, Sivarama Krishna Lakkaboyana, Marlia M. Hanafiah, Vinay Kumar, Ravi Kumar Marella

Subject: Chemistry And Materials Science, Biomaterials Keywords: Nanomaterials; Rare earth metals; Wastewater treatment; CNT; Pollutants

Online: 16 February 2021 (14:12:17 CET)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202104.0272.v1

Sustainable Hydrothermal and Solvothermal Synthetic Approaches for Advanced Carbon Materials in Multidimensional Applications: A Review

Lwazi Ndlwana, Naledi Raleie, Mogolodi Dimpe, Hezron Ogutu, Mxolisi M Motsa, Bhekie Brilliance Mamba

Subject: Chemistry And Materials Science, Biomaterials Keywords: carbon materials synthesis and functionalization; energy; graphene; gas separation; hydrothermal and solvothermal carbonization; microwave-assisted synthesis; nanocomposite membranes; sensing; water treatment

Online: 12 April 2021 (09:32:49 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201710.0134.v1

Improvement in Mechanical Properties of Cantala Fiber and Short Cantala/Recycled High-Density Polyethylene Composite through Chemical Treatment

Wijang Wisnu Raharjo, Rudy Soenoko, Yudy Surya Irawan, Agus Suprapto

Subject: Chemistry And Materials Science, Biomaterials Keywords: chemical treatment; cantala fiber; mechanical properties; recycled high-density polyethylene

Online: 20 October 2017 (03:19:47 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201807.0288.v1

A Methylcellulose Hydrogel as Support for 3D Plotting of Complex Shaped Calcium Phosphate Scaffolds

Tilman Ahlfeld, Tino Köhler, Charis Czichy, Anja Lode, Michael Gelinsky

Subject: Chemistry And Materials Science, Biomaterials Keywords: calcium phosphate cement; methylcellulose; 3D plotting; support; hydroxyapatite

Online: 16 July 2018 (12:55:42 CEST)

Show abstract| Download PDF| Supplementary Files| Share

Preprint REVIEW | doi:10.20944/preprints202108.0249.v1

Resorbable Mg²⁺-Containing Phosphates for Bone Tissue Repair

Gilyana Kazakova, Tatiana Safronova, Daniil Golubchikov, Olga Shevtsova, Julietta Rau

Subject: Chemistry And Materials Science, Biomaterials Keywords: whitlockite; calcium magnesium phosphates; struvite; newberrite; bone reconstruction; resorba-bility; bioactivity; orthopedic applications

Online: 11 August 2021 (10:41:43 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202012.0762.v1

Composite Material Recycling Technology – State-of-the-Art and Sustainable Development for the 2020s.

Andrey E. Krauklis, Christian W. Karl, Abedin I. Gagani, Jens K. Jørgensen

Subject: Chemistry And Materials Science, Biomaterials Keywords: Composites; Recycling; Composite materials; Sustainability; End-of-life; Circularity; Circular Economy; Cars; Society; Technology

Online: 30 December 2020 (15:30:36 CET)

Show abstract| Download PDF| Share

Recently, significant events took place that added immensely to the sociotechnical pressure for developing sustainable composite recycling solutions, namely (1) a ban on composite landfilling in Germany in 2009, (2) the first major wave of composite wind turbines reaching their End-of-Life (EoL) and being decommissioned in 2019-2020, (3) the acceleration of aircraft decommissioning due to the COVID-19 pandemic, and (4) the increase of composites in mass production cars, thanks to the development of high volume technologies based on thermoplastic composites. Such sociotechnical pressure will only grow in the upcoming decade of 2020s as other countries are to follow Germany by limiting and banning landfill options, and by the ever-growing number of expired composites EoL waste. The recycling of composite materials will therefore play an important role in the future, in particular for the wind energy, but also for aerospace, automotive, construction and marine sectors to reduce environmental impacts and to meet the demand. The scope of this manuscript is a clear and condensed yet full state-of-the-art overview of the available composite recycling technologies of both low and high Technology Readiness Levels (TRL). TRL is a framework that has been used in many variations across industries to provide a measurement of technology maturity from idea generation (basic principles) to commercialization. In other words, this work should be treated as a technology review providing guidelines for the sustainable development of the industry that will benefit the society. The authors propose that one of the key aspects for the development of sustainable recycling technology is to identify the optimal recycling methods for different types of composites. Why is that the case can be answered with a simple price comparison of E-glass fibers (~2 $/kg) versus a typical carbon fiber on the market (~20 $/kg) – which of the two is more valuable to recover? However, the answer is more complicated than that – the glass fiber constitutes about 90% of the modern reinforcement market, and it is clear that different technologies are needed. Therefore, this work aims to provide clear guidelines for economically and environmentally sustainable End-of-Life (EoL) solutions and development of the composite material recycling.

Preprint ARTICLE | doi:10.20944/preprints202105.0661.v1

Preliminary Study of the Potential Photoprotective Effect of Organogel-Based Lipstick Formulations: Texture Analysis, Rheological, Thermal and Sensory Properties

Cloé L. Esposito, Plamen Kirilov

Subject: Chemistry And Materials Science, Biomaterials Keywords: LMOGs; organogels; lipsticks; formulation; photoprotection; mechanical properties

Online: 27 May 2021 (09:14:52 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201710.0049.v2

Recent Advances on Surface Modification of Halloysite Nanotubes for Multifunctional Applications

Yongtao Yang, Yun Chen, Fan Leng, Li Huang, Zijian Wang, Weiqun Tian

Subject: Chemistry And Materials Science, Biomaterials Keywords: halloysite nanotubes; surface modification; structural characteristics; application

Online: 2 November 2017 (07:12:01 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201801.0036.v10

Atomic Structure and Binding of Carbon Atoms

Mubarak Ali

Subject: Chemistry And Materials Science, Biomaterials Keywords: carbon; atomic structure; electron dynamics; potential energy; forced exertion; atomic binding

Online: 4 June 2019 (10:15:58 CEST)

Show abstract| Download PDF| Share

Many studies discuss carbon-based materials because of the versatility of carbon. These studies include different ideas for the scientific problems and discuss them within the scope and application. Depending on the processing conditions of a gaseous carbon, it exists in various allotropic forms. The electron transfer mechanism is responsible for converting the gaseous carbon atom into various states – graphite, nanotube, fullerene, diamond, lonsdaleite and graphene states. A typical energy shaped like parabola trajectory enables transfer of the electron in carbon atom by preserving its equilibrium state. In the conversion of carbon atom from one state to other state, the energy trajectory links to suitable filled state and unfilled state of the east side and the other energy trajectory links to suitable filled state and unfilled state of the west side. In this way, filled state electrons simultaneously transfer to nearby unfilled states through the paths provided by the involved trajectories of typical energy. Here, involved typical energy remains partially conserved. So, the force exerted to the electrons is also partially conserved. Carbon atoms when in graphite, nanotube and fullerene states, they ‘partially evolve and partially develop’ the structures. Atoms form structures of one dimension, two dimensions and four dimensions, respectively. Binding atoms in such structural formations involve the typical energy shaped like parabola, where partially conserved forces also engage at the electron level. The graphite structure under only attained dynamics of atoms is also formed, but in the order of two dimensions and amorphous carbon. Here, a binding energy among graphite atoms is due to the small difference between their east force and west force. Structural formations in diamond, lonsdaleite and graphene atoms involve a different shaped typical energy to control the orientation of electrons undertaking one more clamp of the unfilled energy knot. Here, an involved typical energy has shape like golf-stick, which is half of the trajectory shaped like parabola. To undertake double clamping of energy knot, all four targeted electrons of the outer ring (of depositing diamond atom) aligned along the south pole and all four unfilled energy knots of the outer ring (of deposited diamond atom) positioned along the east-west poles. So, a growth of diamond is found to be south to ground. Here, depositing diamond atom binds to deposited diamond atom ground to south. Thus, diamond atoms form a topological structure of tetra-electron. Graphene atoms can form structure oppositely when compared to structural formation in diamond atoms. Binding of lonsdaleite atoms can be from ground to a bit south. To nucleate the structure of glassy carbon, three layers of carbon atoms having different state for each layer (gaseous, graphite and lonsdaleite) bind in the successive manner. Mohs hardness of nanostructures and microstructures of different carbon materials is also sketched.

Working Paper COMMUNICATION

Mixed Self-Assembled Amphiphilic Polymeric Nanoparticles for Intranasal Drug Delivery

Inbar Schlachet, Hen Moshe Halamish, Alejandro Sosnik

Subject: Chemistry And Materials Science, Biomaterials Keywords: Central nervous system (CNS); blood-brain barrier (BBB); self-assembled polymeric nanoparticles; intranasal delivery; biodistribution.

Online: 6 August 2020 (11:22:55 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202101.0415.v1

Ligand Size and Chain Length Study of Silver Carboxylates in Focused Electron Beam Induced Deposition

Jakub Jurczyk, Katarzyna Madajska, Luisa Berger, Leo Brockhuis, Thomas Edward James Edwards, Katja Höflich, Czesław Kapusta, Iwona Szymanska, Ivo Utke

Subject: Chemistry And Materials Science, Biomaterials Keywords: FEBID, Nanoprinting, Silver Carboxylates

Online: 21 January 2021 (10:21:41 CET)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201710.0049.v3

Recent Advances on Surface Modification of Halloysite Nanotubes for Multifunctional Applications

Yongtao Yang, Yun Chen, Fan Leng, Li Huang, Zijian Wang, Weiqun Tian

Subject: Chemistry And Materials Science, Biomaterials Keywords: halloysite nanotubes; surface modification; structural characteristics; controlled release; biocompatibility

Online: 15 November 2017 (07:55:33 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201805.0336.v1

In Vitro Osteogenesis Stimulation via Nano-Hydroxyapatite/Carbon Nanotube Thin Films on Biomedical Stainless Steel

Natalia M. Martinelli, Maria Julia G. Ribeiro, Ritchelli Ricci, Miller A. Marques, Anderson Oliveira Lobo, Fernanda Roberta Marciano

Subject: Chemistry And Materials Science, Biomaterials Keywords: 316L; electrodeposition; nano-hydroxyapatite; carbon nanotubes; osteoblasts; gene expression

Online: 24 May 2018 (06:18:52 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202005.0508.v1

COVID-19 Pandemic in India: A Mathematical Model Study

Sudhanshu Kumar Biswas, Jayanta Kumar Ghosh, Susmita Sarkar, Uttam Ghosh

Subject: Chemistry And Materials Science, Biomaterials Keywords: Basic reproduction number; COVID-19; Asymptomatic class; Quarantine; Sensitivity analysis; Preventive measures

Online: 31 May 2020 (20:46:37 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202103.0508.v1

Influence of Thermal Annealing on Sinterability of Different Grades Polylactide Microspheres Dedicated for Laser Sintering

Małgorzata Gazińska, Anna Krokos, Bartłomiej Kryszak, Paulina Dzienny, Michał Olejarczyk, Piotr Gruber, Ryszard Kwiatkowski, Arkadiusz Antończak

Subject: Chemistry And Materials Science, Biomaterials Keywords: polylactide microspheres; thermal conditioning; sintering window; laser sintering; powder morphology and flowability; crystalline structure; additive manufacturing

Online: 22 March 2021 (10:18:23 CET)

Show abstract| Download PDF| Supplementary Files| Share

Comparison of the influence of conditioning temperature of microspheres made of medical grade poly(L-lactide) (PLLA) and polylactide with 4wt.% of D-lactide content (PLA), on its thermal and structural properties is presented. The microspheres were fabricated by solid-in-oil-in-water method for application in additive manufacturing. The microspheres were annealed below glass transition temperature (Tg), above Tg but below onset of cold crystallization, and at two temperatures selected from the range of cold crystallization corresponding to crystallization of α’ and α form of poly(L-lactide) respectively, i.e., at 40°C, 70°C, 90°C and 120°C, in order to verify the influence of conditioning temperatures on sinterability of microspheres set as sintering window (SW). Based on differential scanning calorimetry measurements SW of microspheres were evaluated with consideration of existence of cold crystallization and reorganization of crystal polymorph. The results indicate that the conditioning temperature influence on availability and range of SW that depending on the D-lactide presence. We postulate the need for an individual approach for polylactide powders in determining the SW as a temperature range free of any thermal events. Moreover, other core powder characteristic, such as residual solvent content, morphology, particle size distribution, powder flowability and thermal conductivity, as a key property for successful laser sintering, are characterized. The microspheres are close to sphere and the size of microspheres are below 100 µm. Residual solvents content decreases with the increase of annealing temperature. The thermal conductivity is 0.073 W/mK and 0.064 W/mK for PLA and PLLA microspheres, respectively, and it depends on the spherical shape of the microspheres. Furthermore, the WAXD studies prove that an increase in the conditioning temperature causes a slight increase in crystallinity degree for PLLA microspheres and clear increase in crystallization for PLA microspheres.

Preprint ARTICLE | doi:10.20944/preprints201910.0027.v1

Microfluidics-Assisted Size Tuning and Biological Evaluation of PLGA Particles

Maria Camilla Operti, Yusuf Dölen, Jibbe Keulen, Eric A.W. van Dinther, Carl G. Figdor, Oya Tagit

Subject: Chemistry And Materials Science, Biomaterials Keywords: PLGA; drug delivery systems; microfluidics; nanoparticles; microparticles

Online: 2 October 2019 (09:21:39 CEST)

Show abstract| Download PDF| Supplementary Files| Share

Preprint ARTICLE | doi:10.20944/preprints201710.0144.v1

Effects of Fluoride on Two Chemical Models of Enamel Demineralization

Ollie Yiru Yu, May Lei Mei, Edward Chin Man Lo, Chun-Hung Chu

Subject: Chemistry And Materials Science, Biomaterials Keywords: demineralization; enamel; fluoride

Online: 22 October 2017 (14:32:49 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202105.0562.v1

Active and Stable MgAl₂O₄ and Ni(SA)/MgAl₂O4 Catalysts for the Reverse Water Gas Shift Reaction

Lingling Zhang, Qi Song, Yimeng Xing, Zhichun Si, Yuxiang Liu, Rui Ran, Xiaodong Wu, Duan Weng, Feiyu Kang

Subject: Chemistry And Materials Science, Biomaterials Keywords: MgAl2O4, Single atomic Nin+, RWGS, Stability, Reaction mechanism

Online: 24 May 2021 (10:50:17 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints201806.0432.v1

Synthetic and Marine-Derived Porous Bone Graft Substitutes

Ana Neto, José Maria Ferreira

Subject: Chemistry And Materials Science, Biomaterials Keywords: Bone tissue engineering; biomaterials; bone scaffolds; additive manufacturing techniques/robocasting; marine-derived biomaterials

Online: 26 June 2018 (16:05:49 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202204.0192.v1

Pineapple Agro-Industrial Wastes to Produce Biomedical Applications Post-COVID-19 Pandemic: Biorefinery and the Circular Economy

Valeria Amores-Monge, Silvia Goyanes, Laura Ribba, Mary Lopretti, Manuel Sandoval-Barrantes, Melissa Camacho, Yendry Corrales-Ureña, José Roberto Vega-Baudrit

Subject: Chemistry And Materials Science, Biomaterials Keywords: pineapple; wastes; biorefinery; COVID-19; circular economy; biomedical

Online: 21 April 2022 (07:54:36 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202106.0026.v1

Bio-Inspired Polymer-Polymer Hybrids for Medical Applications

Gokhan Demirci, Malwina Niedzwiedz, Nina Kantor-Malujdy, Miroslawa El Fray

Subject: Chemistry And Materials Science, Biomaterials Keywords: bio-inspired structures; bioelastomers; hydrogels; polymer-polymer hybrids; injectable biomaterials; adhesive surfaces

Online: 1 June 2021 (11:18:20 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202012.0790.v1

Study of Recycling and Treatment Methods Spent Pot Lining (SPL)

Hooman Shirmahd, alireza akhond hafizi, ata jamavari, mohammad reza aboutalebi

Subject: Chemistry And Materials Science, Biomaterials Keywords: Spent Pot Lining; SPL; Aluminum; Recycle; Toxicity

Online: 31 December 2020 (11:38:02 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202103.0307.v1

Reuse of Barley Straw for Handmade Paper Production

Alma Delia Delia Román Gutiérrez, Juan Hernandez Avila, Antonia Karina Vargas M., Eduardo Cerecedo Saenz, Eleazar Salinas-Rodríguez

Subject: Chemistry And Materials Science, Biomaterials Keywords: Barley straw; Straw; Handmade paper; Properties

Online: 11 March 2021 (10:51:18 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202109.0339.v1

Towards Computationally Guided Design and Engineering of a Neisseria Meningitidis Serogroup W Capsule Polymerase with Altered Substrate Specificity

Subhadra Paudel, James Wachira, Pumtiwitt C. McCarthy

Subject: Chemistry And Materials Science, Biomaterials Keywords: Polysaccharide biomaterials; capsule polymerases; galactosyltransferase; molecular dynamics simulations; bioremediation; protein engineering; Neisseria meningitidis

Online: 20 September 2021 (15:08:47 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201807.0003.v1

Biopolymer-Based Aerogel Bead Production via Jet Cutting Method

Imke Preibisch, Philipp Niemeyer, Yusuf Yusufoglu, Pavel Gurikov, Barbara Milow, Irina Smirnova

Subject: Chemistry And Materials Science, Biomaterials Keywords: aerogel; biopolymer; pectin; alginate; chitosan; beads; jet cutting

Online: 2 July 2018 (08:06:51 CEST)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202102.0495.v1

Efficient Visible Active Ternary Bi2MoO6-rGO-TiO2 Composite Material for Photodecomposition of Ofloxacin

Annamalai Raja, Namgyu Son, Misook Kang

Subject: Chemistry And Materials Science, Biomaterials Keywords: Visible light; Ofloxacin; Reduced graphene oxide; photocatalytic degradation; photocurrent density

Online: 22 February 2021 (16:27:01 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202101.0560.v1

Determination by Relaxation Tests of the Mechanical Properties of Soft Polyacrylamide Gels Made for Mechanobiology Studies

Daniel Pérez-Calixto, Samuel Amat-Shapiro, Diego Zamarrón-Hernández, Genaro Vázquez-Victorio, Pierre-Henri Puech, Mathieu Hautefeuille

Subject: Chemistry And Materials Science, Biomaterials Keywords: relaxation; dissipation; microindentation; polyacrylamide hydrogels; viscoelasticity

Online: 27 January 2021 (12:56:04 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints201710.0049.v1

Recent Advances on Surface Modification of Halloysite Nanotubes for Multifunctional Applications

Yongtao Yang, Yun Chen, Fan Leng, Li Huang, Zijian Wang, Weiqun Tian

Subject: Chemistry And Materials Science, Biomaterials Keywords: halloysite nanotubes; surface modification; structural characteristics; application

Online: 9 October 2017 (11:47:54 CEST)

Show abstract| Download PDF| Share

Preprint REVIEW | doi:10.20944/preprints202102.0184.v1

Tissue Engineering Strategies for Retinal Regeneration

Deepthi. S RajendranNair, Magdalene.J Seiler, Kahini Patel, Vinoy Thomas, Juan Carlos Martinez, Mark.S Humayun, Biju. B Thomas

Subject: Chemistry And Materials Science, Biomaterials Keywords: Retinal degenerative diseases; Age related macular degeneration; Biomaterials, Stem cells, Retinal pigment epithelium; Tissue engineering

Online: 8 February 2021 (10:46:50 CET)

Show abstract| Download PDF| Share

Preprint ARTICLE | doi:10.20944/preprints202102.0065.v1

Research on High-Pressure Hydrochloric Acid Leaching of Scandium, Aluminium and Other Valuable Components from the Non-Magnetic Residues Obtained from Red Mud after Iron Removal

Dmitry Zinoveev, Pavel Grudinsky, Ekaterina Zhiltsova, Darya Grigoreva, Anton Volkov, Valery Dyubanov, Alexander Petelin

Subject: Chemistry And Materials Science, Biomaterials Keywords: red mud; bauxite residue; reduction roasting; sodium sulfate; magnetic separation; alumina; high pressure acid leaching; hydrochloric acid; recycling; utilization

Online: 1 February 2021 (17:32:51 CET)

Show abstract| Download PDF| Share

Chemistry and Materials Science