The Multidisciplinary Preprint Platform

Pre-Graduate and Post-Graduate Medical Education in the Health Sciences
Prof. Dr. Joaquín María García-Estañ López
Ecofriendly Materials
Dr. Manoj Gupta
Teaching Sociology
Prof. Dr. Sandro Nuno Ferreira de Serpa
Food Analytical Methods
Prof. Dr. Gavino Sanna
Quantum Computing
Prof. Dr. Lester Ingber


The Field Guide to 3D Printing in Microscopy
The maker movement has reached the optics labs, empowering researchers to actively create and modify microscope designs and imaging accessories. 3D printing has especially had a disruptive impact on the ...
Signatures of the Venezuelan Humanitarian Crisis in the First Wave of COVID-19: Fuel Shortages and Border Migration
Testing and isolation have been crucial for controlling the COVID-19 pandemic. Venezuela has one of the weakest testing infrastructures in Latin America and the low number of reported cases in ...
An Update for UK Podiatrists Performing Toenail Surgery on Patients Who Are Taking Antithrombotic Medications: It’s About Bleeding Time
Nail surgery for the permanent removal of all or part of the nail unit can be performed via incisional or physically ablative techniques for conditions such as ingrown, mycotic, or ...
The INDIA Mutations and B.1.617 Variants: Is there a Global "Strategy" for Mutations and Evolution of Variants of the SARS-CoV2 Genome?
ABSTRACT. In this paper, we run for all INDIA mutations and variants a biomathematical numerical method for analysing mRNA nucleotides sequences based on UA/CG Fibonacci numbers proportions (Perez, 2021). In ...
A Re-evaluation of Climate Sensitivity
Equilibrium climate sensitivity (ECS) is the change in global mean temperature expected to result from doubling atmospheric CO2 concentration from pre-industrial levels. Extensive research during the past 40 years has ...


Environmental Enrichment and Fluoxetine Neurogenic Stimuli Increase ß3-Tubulin Immature Neurons in Meninges Through Trkb-Mediated Signaling
Neural precursors (NPs) present in the hippocampus can be modulated by several neurogenic stimuli including environmental enrichment (EE) and antidepressant treatment acting through BDNF-TrkB signaling. We have recently identified NPs ...
The BFP (Benford-Fibonacci-Perez) Method Validates the Consistency of COVID-19 Epidemiological Data in France and Italy
The Benford method can be used to detect manipulation of epidemiological or trial data during the validation of new drugs. We extend here the Benford method after having detected particular ...
Glaciation of the Blanca Massif, Sangre de Cristo Mountains, Colorado, during the Last Glacial Maximum: Implications for Climate
Temperature-index modeling is used to determine the magnitude of temperature depression on the Blanca Massif, Colorado, required to maintain steady-state mass balances of nine reconstructed glaciers at their extent during ...
Synthesis of Carbon Nanotubes (CNTs) from Poultry Litter for Removal of Chromium Cr (VI) from Wastewater
Pakistan being an agricultural country is raising 146.5 million commercial and domestic poultry birds which generate around 544,831 tons of waste. This waste finds its final disposal in agricultural land ...
Assessment of Air Quality Perception and Its Effects on Users’ Thermal Comfort in Office Buildings
Since people spend most of their time in indoor environments, the objective of this work was to study indoor air quality perception and its effects on users’ thermal comfort. Based ...
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Inclusion of COVID19 Preprints in the iSearch COVID-19 Portfolio

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Preservation Agreement Between Portico and Preprints

Our Policy on Submissions Related to COVID-19


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