Article
Biochemistry & Molecular Biology
Georg Lutter, Thomas Puehler, Lukas Cyganek, Jette Seiler, Anita Rogler, Tanja Herberth, Philipp Knueppel, Stanislav N. Gorb, Janarthanan Sathananthan, Stephanie Sellers, Oliver J. Mueller, Derk Frank, Irma Haben
Summary: In this study, biodegradable PCL nanofiber scaffolds were used as a matrix for the generation of tissue-engineered heart valves with human ECFCs and iMSCs. Results showed good cell adhesion and distribution on PCL fibers, with coated fibers increasing cell numbers only at early stages. Mechanical properties of seeded PCL scaffolds were comparable to native heart valves, indicating successful tissue engineering of heart valves with human cells on a biodegradable scaffold.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Biophysics
Maria I. Echeverria Molina, Kyriakos Komvopoulos
Summary: Polymer degradation and mechanical properties play a crucial role in tissue engineering. In this study, the degradation behavior of electrospun PLLA bilayer microfibrous scaffolds in a pH-neutral medium was investigated. The interplay between chain scission and orderly chain rearrangement during degradation was found to be critical. The bilayer PLLA scaffolds with adequate matrix stiffness showed potential for tissue engineering and drug delivery applications.
JOURNAL OF BIOMECHANICS
(2023)
Article
Biochemistry & Molecular Biology
Qian Ren, Xiuyu Zhu, Wanwan Li, Minghui Wu, Shijie Cui, Yihan Ling, Xuehua Ma, Guilong Wang, Long Wang, Wenge Zheng
Summary: This study successfully prepared porous PLA/PEG scaffolds with high expansion ratio, good hydrophilicity, and cytocompatibility. The introduction of PEG improved the foaming behavior of PLA and promoted the formation of opening cells. The obtained scaffolds exhibited high open-cell content, super-hydrophilicity, and enhanced cell proliferation, making them suitable for tissue engineering applications.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Article
Engineering, Environmental
Rahele Mahtabi, Soheila Zamanlui Benisi, Vahabodin Goodarzi, Shahrokh Shojaei
Summary: A novel nanocomposites based on Polylactic acid (PLA) and Poly(glycerol succinic acid) (PGSU) containing hydroxyapatite nanoparticles was prepared. Various analyses were conducted to evaluate the molecular structures, possible interactions, crystallinity, microstructure, nanoparticle dispersion, thermal stability, mechanical properties, hydrophobicity, cell behavior, and gene expressions of the samples. The results showed that PGSU and n-HA had significant effects on the properties and behavior of the nanocomposites, indicating their potential for various applications in tissue engineering.
JOURNAL OF POLYMERS AND THE ENVIRONMENT
(2023)
Article
Biotechnology & Applied Microbiology
Matthew D. Kerr, Wade T. Johnson, David A. McBride, Arun K. Chumber, Nisarg J. Shah
Summary: Sustained release of vaccine components using a biodegradable hyaluronic acid cryogel was shown to enhance immune response and provide long-lasting protection. A formulation called CpG-OVA-HAC2 was identified to minimize inflammation and improve immune response. These findings suggest the potential of CpG-OVA-HAC2 in enhancing vaccine delivery.
BIOENGINEERING & TRANSLATIONAL MEDICINE
(2023)
Review
Chemistry, Multidisciplinary
Alina Kirillova, Taylor R. Yeazel, Darya Asheghali, Shannon R. Petersen, Sophia Dort, Ken Gall, Matthew L. Becker
Summary: The goal of this review is to provide a guide for the fabrication of biodegradable polymer-based scaffolds that includes the complete pathway starting from selecting materials, choosing the correct fabrication method, and considering the requirements for tissue specific applications of the scaffold.
Article
Chemistry, Multidisciplinary
Honglei Kang, Xudong Jiang, Zhiwei Liu, Fan Liu, Guoping Yan, Feng Li
Summary: Biodegradable scaffolds based on biomedical polymeric materials were prepared using composite materials of PTMC/PLA/HA and PTMC/HA, showing low toxicity, good biodegradability, and biocompatibility while enhancing the cell multiplication ability of osteoblast cells.
Article
Materials Science, Multidisciplinary
Raquel Sanchez Diaz, Jong-Ryul Park, Leona L. Rodrigues, Paul D. Dalton, Elena M. De-Juan-Pardo, Tim R. Dargaville
Summary: This study introduces a rapid and efficient system to adapt commercially available polymers for melt electrowriting (MEW) for the fabrication of micro-fibrous scaffolds. By pre-treating PLCL at 150 degrees C for 24-48 h, it can be printed into scaffolds at 110 degrees C with fiber diameters of 14-40 μm, becoming the first low-temperature MEW scaffolds of its kind. This approach requires no modification of the MEW machine and can be readily adopted by any MEW user with minimal polymer manipulation.
ADVANCED MATERIALS TECHNOLOGIES
(2022)
Article
Polymer Science
B. Hermenegildo, R. M. Meira, D. M. Correia, A. G. Diez, S. Ribeiro, C. Ribeiro, L. Perez-Alvarez, J. L. Vilas-Vilela, S. Lanceros-Mendez
Summary: Polymer scaffolds are widely used in tissue engineering, but their biomimicry needs improvement for better tissue regeneration. This study combines poly(lactic-co-glycolide) with an ionic liquid or iron oxide nanoparticles to create biodegradable scaffolds with electroactive or magnetoactive response. The inclusion of the ionic liquid or nanoparticles alters the mechanical properties and surface morphology of the polymer, and the biocompatibility of the materials depends on the type and content of the fillers.
EUROPEAN POLYMER JOURNAL
(2022)
Article
Biochemistry & Molecular Biology
Daniel A. Canales, Natalia Pinones, Marcela Saavedra, Carlos Loyo, Humberto Palza, Laura Peponi, Adrian Leones, Raul Vallejos Baier, Aldo R. Boccaccini, Alina Gruenelwald, Paula A. Zapata
Summary: This study developed electrospun scaffolds based on poly(L-lactic acid) (PLLA) with the addition of bioglass (n-BG) and zinc oxide (n-ZnO) nanoparticles, as well as a mixture of both, to create bifunctional biomaterials with enhanced bioactive and biocidal properties. The presence of n-BG increased fiber diameter, while ZnO did not significantly affect morphology. Mechanical properties decreased with nanoparticles. PLA/n-BG scaffolds promoted hydroxyapatite formation, which was inhibited by ZnO. Combining both nanoparticles reduced bacterial viability. The use of n-BG and n-ZnO fillers validated the development of bifunctional PLA-based scaffolds with bioactive and biocidal properties for bone tissue engineering.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Polymer Science
Francesco Lopresti, Antonio Liga, Elisa Capuana, Davide Gulfi, Claudio Zanca, Rosalinda Inguanta, Valerio Brucato, Vincenzo La Carrubba, Francesco Carfi Pavia
Summary: Hybrid porous scaffolds composed of both natural and synthetic biopolymers have shown significant improvements in tissue engineering. This study investigates the fabrication and characterization of poly-L-lactic acid scaffolds blended with polyhydroxyalkanoate up to 30 wt%. The microstructure, porosity, wettability, surface chemical properties, mechanical properties, and crystallinity of the hybrid scaffolds were analyzed.
Article
Biochemistry & Molecular Biology
Yongxiang Luo, Birui Chen, Xiaonan Zhang, Shuai Huang, Qingde Wa
Summary: This study successfully fabricated three-dimensional organic/inorganic composite scaffolds with hierarchically biomimetic features and high porosity. The scaffolds, from nano to macro scale, were prepared via in situ mineralization under mild conditions. They exhibited good biocompatibility, osteogenic capability, and have potential applications in bone tissue engineering.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Article
Polymer Science
Elisa Capuana, Francesco Lopresti, Manuela Ceraulo, Vincenzo La Carrubba
Summary: This review focuses on the properties and applications of poly-l-lactic acid (PLLA) as a biomaterial in the field of tissue engineering. The structure and main properties of PLLA are discussed, along with the recent advances in overcoming its hydrophobic and synthetic nature. Additionally, various fabrication technologies and the in vitro and in vivo applications of PLLA in tissue repair strategies are reviewed.
Article
Polymer Science
Vuk V. Filipovic, Marija M. Radic, Jovana S. Vukovic, Marija Vukomanovic, Marina Rubert, Sandra Hofmann, Ralph Mueller, Simonida L. J. Tomic
Summary: New composite scaffolds combining synthetic and natural polymers with ceramic components were developed for biomedical applications. The incorporation of nanohydroxyapatite did not significantly affect osteogenic cell differentiation, but had synergistic effects on the mechanical behavior, structure, and interactions with biological species.
Article
Biochemistry & Molecular Biology
Lokesh Agrawal, Sunil Kumar Vimal, Paolo Barzaghi, Takashi Shiga, Marco Terenzio
Summary: A biomaterial formulation consisting of melanin and PHB has been developed, which exhibits physio-chemical, electrical, and biological compatibility with neural tissues. The blended scaffolds improve cell adhesion and growth of motor and sensory neurons, making it a potential regenerative modality for neural tissue injuries.
MACROMOLECULAR BIOSCIENCE
(2022)
Article
Electrochemistry
Korcan Percin, Jonas Hereijgers, Nicolas Mulandi, Tom Breugelmans, Matthias Wessling
Summary: Complex geometries for electrodes pose a challenge in electrochemical applications. Slurry electrodes utilize complex flow distributors to enhance charge transfer between the current collector and slurry particles. In this study, titanium-based flow distributors produced by indirect 3D-printing were used to further improve electron transfer in vanadium redox flow applications. The titanium static mixers were coated with graphite to enhance activity for vanadium redox reactions. Heat treatment of the electrodes significantly improved anodic and cathodic current peaks, and testing in a redox flow cell showed discharge polarization of 110 mA cm(-2).
Article
Materials Science, Multidisciplinary
Lukas T. Hirschwald, Sebastian Brosch, Georg Linz, John Linkhorst, Matthias Wessling
Summary: Microfluidic systems offer advantages over classical techniques in biomedical and chemical research, allowing for rapid prototyping and parallelization on a laboratory scale. However, integrating membranes in microfluidics presents challenges in material development, membrane geometry, and integration. This study presents a durable method for anchoring free-form membranes to surfaces, enabling the fabrication of stable, multi-material microfluidic systems. The influence of membrane shape and porosity on performance indicators is also investigated, providing insights into microfluidic modules with incorporated membranes.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Green & Sustainable Science & Technology
Alexander Limper, Mojtaba Mohseni, Robert Keller, John Linkhorst, Juergen Klankermayer, Matthias Wessling
Summary: This study introduces a novel binder-free electrode, carbon nanofibers (CNFs), synthesized on nickel foam, which exhibits high electrochemical activity in generating hydrogen peroxide as well as efficient removal of micropollutants in water bodies.
ADVANCED SUSTAINABLE SYSTEMS
(2023)
Review
Urology & Nephrology
David Loureiro Ramada, Joost de Vries, Jeroen Vollenbroek, Nazia Noor, Odyl ter Beek, Silvia M. M. Mihaila, Fokko Wieringa, Rosalinde Masereeuw, Karin Gerritsen, Dimitrios Stamatialis
Summary: Haemodialysis is expensive and has limitations in removing uraemic solutes, causing poor patient quality of life and large carbon footprint. Innovative dialysis technologies, such as portable, wearable and implantable artificial kidney systems, are being developed to address these issues. Challenges include the need for continuous regeneration of dialysate and improving toxin removal. Efforts to overcome these challenges include developing dialysate recycling systems and novel membranes combined with bioartificial kidneys.
NATURE REVIEWS NEPHROLOGY
(2023)
Article
Chemistry, Multidisciplinary
Tobias Harhues, Maria Padligur, Franziska Bertram, Daniel Matthias Roth, John Linkhorst, Andreas Jupke, Matthias Wessling, Robert Keller
Summary: The electrochemical conversion of hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA) is demonstrated in this work, along with the biphasic dehydration of fructose to HMF. The integrated approach eliminates the need for intermediate purification as the HMF-rich phase is directly fed into the electrochemical reactor. The results show a promising synthesis process for green platform chemicals and provide insights into biphasic solutions in electrochemical conversions.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Materials Science, Multidisciplinary
Lea Steinbeck, Dominik L. Braunmiller, Hanna J. M. Wolff, Vincent Huettche, Julia Wang, Matthias Wessling, Jerome J. Crassous, John Linkhorst
Summary: Complex-shaped microgels with active and remote orientational control have great potential in the field of soft metamaterials. This work introduces a method for spatio-temporal flow control using magnetically actuable microgels of complex shape, and demonstrates the concept in microfluidic impellers. The fabrication of these microgels is achieved through stop-flow lithography, and their magnetic response is comprehensively quantified. These complex-shaped microgels are then integrated as actuable impellers in a microfluidic chip, showcasing the versatility of the fabrication methodology.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Green & Sustainable Science & Technology
Matthias Hesselmann, Hannah Minten, Tristan Geissler, Robert Gregor Keller, Andre Bardow, Matthias Wessling
Summary: Electrolyzing carbon dioxide into valuable chemicals is a promising alternative to fossil fuel-based processes. Extensive research has focused on catalysis and electrode design, but the choice of ion exchange membrane for CO2 electrolysis from an economic perspective remains an important question. Holistic process optimization reveals that CO2 electrolysis using an anion exchange membrane achieves competitive production costs for CO, outperforming cation exchange and bipolar membranes. Contrary to common belief, the CO2 pumping effect does not significantly impact the economics and instead offers an efficient means of regenerating dissociated CO2.
ADVANCED SUSTAINABLE SYSTEMS
(2023)
Article
Engineering, Environmental
Kristina Baitalow, Niklas Koeller, Paul Bacmeister, Robert Keller, Matthias Wessling
Summary: In this study, the performance of switchable oxygen depolarized cathodes (sODC) for demand-side electrolysis was investigated by switching between different modes. The experimental results showed that sODCs have stable and high Faraday efficiency and a marginal difference in cell potential compared to conventional oxygen depolarized cathodes, demonstrating their high potential for industrial application.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Maike Wrobel, Stefanie Kriescher, Tilman Schiffer, Robert Keller, Matthias Wessling
Summary: Understanding and controlling the gas-liquid-solid interface at gas diffusion electrodes is a crucial challenge in electrochemical engineering. This study investigates the effect of high current densities on the wetting, flooding, and weeping of GDE through macroscopic experiments. The permeation of electrolyte provides valuable information about the composition inside the GDE.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Biochemistry & Molecular Biology
Joao Faria, Sabbir Ahmed, Dimitrios Stamatialis, Marianne C. Verhaar, Rosalinde Masereeuw, Karin G. F. Gerritsen, Silvia M. Mihaila
Summary: Patients with end-stage kidney disease suffer from high levels of protein-bound uremic toxins. Conventional dialysis methods are ineffective in removing these toxins. A potential solution could be a bioartificial kidney composed of membranes with proximal tubule epithelial cells that actively secrete these toxins. However, the development of this bioartificial kidney is hampered by a lack of knowledge regarding the cytocompatibility of the dialysis fluid. This study shows that the dialysis fluid does not affect the viability or function of the cells, and efficiently clears the toxins from the perfusion fluid.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Engineering, Chemical
Anna M. Kalde, Johannes Lohaus, Stephan Musholt, Matthias Wessling
Summary: This study systematically investigated the fouling and backwashing of anionic polystyrene particles in microfluidic structures with engineered surface charge and hydrophilicity. The results confirmed that increasing the hydrophilicity of the membrane can reduce fouling, but hydrophilicity alone is not a sufficient measure to predict particle deposition and removal behavior. Designing a hydrophilic membrane with an engineered surface charge is crucial for achieving a low-fouling membrane that can be cleaned effectively during backwashing with pure flow reversal.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Pharmacology & Pharmacy
Celine Bastard, Daniel Guenther, Jose Gerardo-Nava, Mieke Dewerchin, Peter Sprycha, Christopher Licht, Arne Lueken, Matthias Wessling, Laura De Laporte
Summary: Vasculogenesis and angiogenesis can be mimicked in vitro to maximize vascularization in 3D cell cultures through the orchestrated secretion of multiple growth factors. The study investigates the temporal influence, concentrations, and combinations of growth factors on in vitro vascularization inside hydrogels. It demonstrates that combinations of angiopoietin-1, angiopoietin-2, and PDGF-BB have the most significant effect on vascularization, and MSCs are the best supporting cells for the coculture. Furthermore, the study reveals that blood vessels align with magnetically oriented microgels and that transforming growth factor-beta can induce fibrosis and affect vessel formation.
ADVANCED THERAPEUTICS
(2023)
Article
Engineering, Chemical
Maria A. Restrepo, Johannes Kamp, Lasse Guericke, Robin Schnichels, Hannah Roth, Matthias Wessling
Summary: The modification of membranes using the Layer-by-Layer (LBL) method with polyelectrolytes has become advanced technology, but it is time consuming. This study explores a simpler one-step membrane modification using coating solutions containing both polyanions and polycations. Different coating methods are proposed: interfacial complexation (IC), diffusive desalination (DDS), and polyelectrolyte concentration (PC). The ability to produce nanofiltration membranes and in-situ functionalization of the membranes are evaluated. With PC, membranes with high MgCl 2 rejection and permeability are obtained.
JOURNAL OF MEMBRANE SCIENCE LETTERS
(2023)
Article
Engineering, Chemical
Franziska Hagemann, John Linkhorst, Hannah Roth, Matthias Wessling
Summary: Tuning the pore size distribution of hemodialysis membranes is crucial for membrane selectivity and the quality of dialysis treatment. This study presents novel data on the clearance of middle molecules and albumin loss using different dialyzers at varying flow rates. The findings provide significant insights for dialysis therapy and have broader implications for ultrafiltration membrane selectivity. The Theranova dialyzer shows the best compromise between low albumin loss and good clearances of middle molecules.
JOURNAL OF MEMBRANE SCIENCE LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Carolin Grutering, Tobias Harhues, Fabian Speen, Robert Keller, Martin Zimmermann, Peter R. Jensen, Matthias Wessling, Lars M. Blank
Summary: This study demonstrates the efficient production of enantiopure (3R)-acetoin using genetically modified Lactococcus lactis in dilute resting cell buffer, followed by electrochemical conversion to 2-butanone. The electrocatalysis using resting cell broth as the electrolyte achieved a higher 2-butanone yield compared to previous studies and synthesis from complex media fermentation supernatants.
Article
Engineering, Chemical
Jiawei Hou, Shixuan Guo, Nigel Graham, Wenzheng Yu, Kening Sun, Ting Liu
Summary: A novel 2D composite membrane based on r-HGO and MXene materials was developed, demonstrating exceptional performance for water treatment in terms of permeability, pollutant rejection, and physical stability. The optimization of preparation conditions and material proportions can result in high water flux and efficient removal of pollutants.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Retraction
Engineering, Chemical
Chang Liu, Jinghong Liu, Liang Zhu, Shanfu Tang, Huixin Xiong
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Rui Gao, Caihong Liu, Andreia F. Faria, Qiang He, Chun Yang, Jun Ma
Summary: A novel copolymer architecture has been developed to address biofouling concerns in thin-film composite (TFC) membranes by integrating anti-fouling, bactericidal, and fouling-release functions. The multifunctional membrane demonstrates promising anti-adhesive properties, self-cleaning ability, and high flux recovery rate.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Alexander T. Bridge, Noah P. Wamble, Matthew S. Santoso, Joan F. Brennecke, Benny D. Freeman
Summary: This study demonstrates the reproducible preparation of high-flux defect-free asymmetric gas separation membranes using Cyrene(TM) as a majority dope formulation component. By adjusting the volume ratios of Cyrene(TM) and THF, as well as the concentrations of Matrimid(R) and the dry step time, optimal membrane performance is achieved.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Alessandra Imbrogno, Han Ya Lin, Babak Minofar, Andrea Iris Schaefer
Summary: In this study, a composite nanofiber membrane containing cross-linked beta-cyclodextrin-epichlorohydrin was prepared and evaluated for the removal of steroid hormones. The results showed that the membrane had high adsorption capacity and the ability to form a specific inclusion complex interaction with the hormones, indicating its potential application in hormone removal.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Bora Shin, Jaewon Shin, Yanuar Chandra Wirasembada, Ki Young Park, Jinwoo Cho
Summary: This study develops a mathematical model to estimate the initial flux of volatile fatty acids in the direct contact membrane distillation process. It identifies the parameters affecting the flux and their relationship with pH.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Yi-Jui Yeh, Jr Rong Liou, Wei Lin, Kuo-Lun Tung, Wei-Hung Chiang
Summary: This study demonstrates an effective plasma engineering method to create nitrogen-doped graphene quantum dot (NGQD)-inorganic nanocomposites for tunable molecular separation. The composite materials show high separation efficiency and controllable nanopore structures, making them potentially valuable for various applications.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Horacio Lopez-Marques, Kristofer L. Gleason, Manuel Aguilar-Vega, Rita Sulub-Sulub, J. Ehren Eichler, Hyeonji Oh, C. Buddie Mullins, Benny D. Freeman, Manish Kumar
Summary: In this study, water transport properties in Carbon Molecular Sieve (CMS) membranes were investigated. It was found that membranes synthesized at different pyrolysis temperatures exhibited varying water permeabilities. Compared to other polymeric materials, CMS membranes showed high water permeability, indicating potential for dehydration applications.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Dmitry A. Alentiev, Roman Yu. Nikiforov, Marina A. Rudakova, Danil P. Zarezin, Maxim A. Topchiy, Andrey F. Asachenko, Nikolay A. Belov, Maxim Bermeshev
Summary: A series of new norbornene-type monomers containing linear and branched substituents were synthesized, and robust thin membranes were prepared by vinyl-addition polymerization. Gas separation performance for the synthesized polymers was evaluated, and the structure of substituent side chains was found to significantly affect gas permeability and CO2 facilitated transport.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Lei Yan, Qi Zhang, Ze Zhang, Gui-Jie Li, Yi Jin, Xin-Lin Zhang, Yan-Yun Sun
Summary: In this study, a continuous, stable and fast ion transport channel was established through in-situ guided cross-linking of zinc alginate hydrogels on a porous membrane, overcoming the negative pore effect and effectively inhibiting the dendrite growth of zinc anodes and interfacial side reactions.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Yuqing Zhang, Ailing Zhang, Huiyang He, Yuting Fan, Yongjiang Li, Song Wang, Sanxi Li
Summary: The Langmuir-Blodgett self-assembly process is used to create an ordered SPEEK membrane, which enhances the proton conductivity by three times compared to conventional solution casting method.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Hasan Ismaeel, David Gibson, Eleonora Ricci, Maria Grazia De Angelis
Summary: In this study, a machine learning-based group contribution method (ML-GC) was developed to predict pure polymer parameters and successfully applied to predict gas solubility and gas solubility isotherms in glassy polymeric membranes. The model showed satisfactory performance on a small dataset, but has the potential to provide more accurate predictions for a wider range of polymers as more data becomes available.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Yi Ji, Yu Sun, Huilin Li, Qiang Fu, Yan Zhang
Summary: Previous studies have shown that vibration- or rotation-based techniques can effectively mitigate fouling during membrane filtration. However, it is difficult to incorporate these techniques with spiral wound modules (SWMs) widely used in water and wastewater treatment. This study developed a prototype membrane system to accommodate angular vibrations with a modified SWM, and experimental results showed that applying angular vibrations can effectively control algal fouling in an SWM with lower energy consumption compared to traditional methods.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Lakshmeesha Upadhayaya, Abaynesh Yihdego Gebreyohannes, Muhammad Wakil Shahzad, Usman T. Syed, Sandra L. Aristizabal, Radoslaw Gorecki, Suzana P. Nunes
Summary: Increasing temperatures worldwide pose a significant health risk, exacerbated by high humidity. Conventional air conditioners contribute heavily to carbon dioxide emissions, with dehumidification being a major factor. Membrane-based dehumidification system offers energy efficiency and non-toxic water vapor removal. This study demonstrates a membrane dehumidification system with polymeric hollow fibers coated with a green polyphenol coating, showing remarkable water vapor transport rate and selectivity. Long-term testing reveals minimal decline in vapor transport and a 4-5 times higher coefficient of performance (COP) compared to conventional dehumidifiers, making it a highly competitive, energy-saving device with reduced emissions and a smaller footprint.
JOURNAL OF MEMBRANE SCIENCE
(2024)
Article
Engineering, Chemical
Zhengzhong Zhou, Xue Zhu, Yi Yuan, Shaoqiang Wang, Xiaoshan Meng, Taoli Huhe, Qian Wang
Summary: In this study, lignin, a biomass material, was chemically modified and utilized in the interfacial polymerization process to improve the performance of nanofiltration membranes. The modified membranes showed enhanced hydrophilicity and anti-fouling properties, and the optimization of membrane pore size increased permeability. The study also demonstrated the potential application of the membranes in biogas slurry valorization.
JOURNAL OF MEMBRANE SCIENCE
(2024)