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Sustainable Thin Film Composite Mixed Matrix Membranes Based on Cellulose Acetate, Bimetallic ZIF-8-67 and Ionic Liquid for Enhanced Propene/Propane Separation
Pegah Hajivand
,Mariagiulia Longo
,Marcello Monteleone
,Alessio Fuoco
,Elisa Esposito
,Teresa Fina Mastropietro
,Javier Navarro-Alapont
,Donatella Armentano
,Johannes Carolus Jansen
Efficiently separating propene and propane is paramount for the chemical industry but notoriously difficult due to their minimal size and volatility differences. Here, we demonstrate a powerful strategy to overcome this separation challenge by designing bimetallic Zeolitic Imidazolate Framework (ZIF)-based mixed-matrix membranes (MMMs). We fabricated thin-film composites (TFCs) by integrating monometallic ZIF-8, ZIF-67, and a synergistic bimetallic ZIF-8-67 into a uniquely formulated ionic liquid-cellulose acetate (IL-CA) polymer matrix. Structural and morphological analyses confirmed the high crystallinity of the ZIF fillers and their seamless integration within the polymer. The resultant ZIF-8-67/IL-CA membrane exhibited exceptional separation performance, surpassing its monometallic counterparts by a threefold increase in both C3H6 permeance and C3H6/C3H8 ideal selectivity relative to the base membrane. Under industrially relevant mixed-gas testing, the membrane achieved an impressive separation factor of 8 for propene over propane. These findings reveal that the strategic integration of bimetallic nodes in ZIFs can unlock synergistic properties unattainable with single-metal frameworks. This work presents a robust and scalable platform for developing next-generation membranes that defy conventional performance trade-offs, a way for efficient membrane-based olefin/paraffin separations.
Efficiently separating propene and propane is paramount for the chemical industry but notoriously difficult due to their minimal size and volatility differences. Here, we demonstrate a powerful strategy to overcome this separation challenge by designing bimetallic Zeolitic Imidazolate Framework (ZIF)-based mixed-matrix membranes (MMMs). We fabricated thin-film composites (TFCs) by integrating monometallic ZIF-8, ZIF-67, and a synergistic bimetallic ZIF-8-67 into a uniquely formulated ionic liquid-cellulose acetate (IL-CA) polymer matrix. Structural and morphological analyses confirmed the high crystallinity of the ZIF fillers and their seamless integration within the polymer. The resultant ZIF-8-67/IL-CA membrane exhibited exceptional separation performance, surpassing its monometallic counterparts by a threefold increase in both C3H6 permeance and C3H6/C3H8 ideal selectivity relative to the base membrane. Under industrially relevant mixed-gas testing, the membrane achieved an impressive separation factor of 8 for propene over propane. These findings reveal that the strategic integration of bimetallic nodes in ZIFs can unlock synergistic properties unattainable with single-metal frameworks. This work presents a robust and scalable platform for developing next-generation membranes that defy conventional performance trade-offs, a way for efficient membrane-based olefin/paraffin separations.
Posted: 16 December 2025
Ex Vivo Treatment Response Prediction in Multiple Myeloma: Assay Formats, Clinical Correlation, and Future Directions
Gavin R. Oliver
,Carlton C. Barnett
,Kendra E. Hightower
,Yubin Kang
,Muhamed Baljevic
Ex vivo functional testing for multiple myeloma is rapidly evolving, yet no single assay has reached the level of reliability and clinical utility needed for routine decision-making. Existing approaches generally fall into three categories comprising 2D cultures, 3D models, and dynamic systems. Each contributes valuable but incomplete insight into therapeutic response. Among these, 2D assays remain the most mature, with the most extensive clinical correlations to date, though their simplified architecture limits their ability to reflect the full complexity of the marrow microenvironment. 3D systems, including spheroids and matrix-based organoids, offer improved preservation of tumor heterogeneity and microenvironmental cues. These platforms show emerging clinical relevance and may hold advantages over traditional 2D formats, and validation efforts are developing. Dynamic systems including microfluidic models and perfused bone-marrow mimetics represent the most physiologically ambitious category, yet their technical intricacy and early stage of development have so far limited broad clinical correlation. Altogether, the current landscape highlights substantial progress but lacks an optimal assay. In this review, we take the unique approach of examining published ex vivo tests that have demonstrated a level of clinical correlation. We evaluate their respective formats, strengths and limitations, and discuss considerations for what an ideal future assay may encompass.
Ex vivo functional testing for multiple myeloma is rapidly evolving, yet no single assay has reached the level of reliability and clinical utility needed for routine decision-making. Existing approaches generally fall into three categories comprising 2D cultures, 3D models, and dynamic systems. Each contributes valuable but incomplete insight into therapeutic response. Among these, 2D assays remain the most mature, with the most extensive clinical correlations to date, though their simplified architecture limits their ability to reflect the full complexity of the marrow microenvironment. 3D systems, including spheroids and matrix-based organoids, offer improved preservation of tumor heterogeneity and microenvironmental cues. These platforms show emerging clinical relevance and may hold advantages over traditional 2D formats, and validation efforts are developing. Dynamic systems including microfluidic models and perfused bone-marrow mimetics represent the most physiologically ambitious category, yet their technical intricacy and early stage of development have so far limited broad clinical correlation. Altogether, the current landscape highlights substantial progress but lacks an optimal assay. In this review, we take the unique approach of examining published ex vivo tests that have demonstrated a level of clinical correlation. We evaluate their respective formats, strengths and limitations, and discuss considerations for what an ideal future assay may encompass.
Posted: 16 December 2025
A Non-Turing Computer Architecture for Artificial Intelligence with Dynamic Rule Learning and Generalization Abilities and Its Halting Problem
Jineng Ren
Posted: 16 December 2025
The “Subjectica” Hypothesis: A Lateralized Neurophenomenological Model of Embodied Cognitive Dynamics
Deyan Shopin
Posted: 16 December 2025
The Fisher Information Action for Quantum Dynamics
Jesper Lyng Jensen
Posted: 16 December 2025
Wildlife Care and Handling: An Academic Minor that Expands Our Reach
JIm Perry
,Michelle Willette
,Julia Ponder
,Henrique Paprocki
Posted: 16 December 2025
Conflict Detection, Resolution, and Collision Avoidance for Decentralized UAV Autonomy: Classical Methods and AI Integration
Francesco D’Apolito
,Phillipp Fanta-Jende
,Verena Widhalm
,Christoph Sulzbachner
Posted: 16 December 2025
Fluorescence and Phosphorescence Assay of -D Glucans from Basidiomycete Medicinal Mushrooms
Amin Karmali
Posted: 16 December 2025
From Evasion to Collapse: The Kinetic Cascade of TDP-43 and the Failure of Proteostasis
Angelo Moscoso Jamerlan
,John Hulme
Posted: 16 December 2025
DACCA: Distributed Adaptive Cloud Continuum Architecture
Nektarios Deligiannakis
,Vassilis Papataxiarhis
,Michalis Loukeris
,Stathes Hadjiefthymiades
,Marios Touloupou
,Syed Mafooq Ul Hassan
,Herodotos Herodotou
,Athanasios Moustakas
,Emmanouil Bampis
,Konstantinos Ioannidis
+8 authors
Posted: 16 December 2025
Capric Acid–Based Therapeutic Deep Eutectic Systems: A Focused Review within the Framework of Deep Eutectic Solvents
Faisal Al-Akayleh
,Ahmed S.A. Ali Agha
,Ali R. Olaimat
,Giuseppe Biagini
Posted: 16 December 2025
Smart Technological Urban Flood Management Strategies Is a “Must-Do” approach: The Case of Chinese Coastal Megacity, Ningbo, East Coast of China
Faith Ka Shun Chan
,Weiwei Gu
,Fang Zhang
,Xiaolei Pei
,Zilin Wang
,Ling-Wen Lu
,Ming Cheng
,Yuhe Wang
,Weiguo Zhang
,Yutian Jiang
Posted: 16 December 2025
Dermatologic Perspectives on Primary Cutaneous Lymphomas: Clinicopathologic Spectrum, Molecular Insights and Evolving Treatment Paradigms
Orsola Crespi
,François Rosset
,Umberto Santaniello
,Valentina Pala
,Cristina Sarda
,Martina Accorinti
,Simone Ribero
,Pietro Quaglino
Posted: 16 December 2025
Review: Exploratory Data Analysis with R: A New Approach to Seismic Data
Tomokazu Konishi
Posted: 16 December 2025
Old Target with New Vision: In Search of New Therapeutics for Diabetic Retinopathy by Selective Modulation of Aldose Reductase
Vineeta Kaushik
,Saurav Karmakar
,Humberto Fernandes
Posted: 16 December 2025
From the ONTT to Antibody-Mediated Optic Neuritis: Four Decades of Progress and Unanswered Question
Marco A. Lana-Peixoto
,Natália C. Talim
,Paulo P. Christo
Posted: 16 December 2025
Assessing Meteorological (1950–2022) and Hydrological (1911–2022) Trends in the Northwestern Alps: Insights from the Upper Po River Basin
Leonardo Stucchi
,Diego Jacopino
,Veronica Manara
,Maurizio Maugeri
,Daniele Bocchiola
Posted: 16 December 2025
Introduction and Application of BIM in Architectural Projects: Benefits, Challenges and Future Prospects
Jorge Pablo Aguilar Zavaleta
Posted: 16 December 2025
Microwave Photonic Techniques in Phase-Noise Measurements of Microwave Sources: A Review
Andrej Lavrič
,Matjaž Vidmar
,Boštjan Batagelj
Posted: 16 December 2025
GDEIM-SF: A Lightweight UAV Detection Framework Coupling Dehazing and Low-Light Enhancement
Jihong Zheng
,Leqi Li
Posted: 16 December 2025
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