Poly(vinylidene fluoride)-graft-poly(N-vinyl-2-pyrrolidone) copolymers prepared via a RAFT-mediated process and their use in antifouling and antibacterial membranes. 2007

Qiang Peng, and Shiqiang Lu, and Dezhi Chen, and Xiaoqin Wu, and Panfeng Fan, and Rong Zhong, and Yongwen Xu
Department of Environmental and Chemical Engineering, Nanchang Institute of Aeronautical Technology, Nanchang 330034, China. qianpeng@tom.com

PNVP-g-PVDF copolymers were synthesized and used to produce microfiltration membranes. The pore size and distribution varied with the grafting concentration and the density of graft points. A significant decrease of the amounts of adsorbed BSA indicated improved antifouling properties of PVDF. The MF membranes were further functionalized via surface-initiated block copolymerization with DMAEMA to obtain (PVDF-g-PNVP)-b-PDMAEMA MF membranes. Quaternization of the tertiary amine groups of the PDMAEMA brushes gave rise to a high concentration of quaternary ammonium salt on the membrane surfaces. The bactericidal effect of the QAS-functionalized membranes on E. coli was also demonstrated and discussed.

UI MeSH Term Description Entries
D008422 Materials Testing The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TISSUE ADHESIVES; etc., for hardness, strength, durability, safety, efficacy, and biocompatibility. Biocompatibility Testing,Biocompatible Materials Testing,Hemocompatibility Testing,Testing, Biocompatible Materials,Testing, Hemocompatible Materials,Hemocompatibility Testings,Hemocompatible Materials Testing,Materials Testing, Biocompatible,Materials Testing, Hemocompatible,Testing, Biocompatibility,Testing, Hemocompatibility,Testing, Materials,Testings, Biocompatibility
D008567 Membranes, Artificial Artificially produced membranes, such as semipermeable membranes used in artificial kidney dialysis (RENAL DIALYSIS), monomolecular and bimolecular membranes used as models to simulate biological CELL MEMBRANES. These membranes are also used in the process of GUIDED TISSUE REGENERATION. Artificial Membranes,Artificial Membrane,Membrane, Artificial
D008689 Methacrylates Acrylic acids or acrylates which are substituted in the C-2 position with a methyl group. Methacrylate
D011145 Polyvinyls POLYMERS derived from the monomer VINYL COMPOUNDS. Polyvinyl
D011759 Pyrrolidines Compounds also known as tetrahydropyridines with general molecular formula (CH2)4NH. Tetrahydropyridine,Tetrahydropyridines
D000327 Adsorption The adhesion of gases, liquids, or dissolved solids onto a surface. It includes adsorptive phenomena of bacteria and viruses onto surfaces as well. ABSORPTION into the substance may follow but not necessarily. Adsorptions
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000900 Anti-Bacterial Agents Substances that inhibit the growth or reproduction of BACTERIA. Anti-Bacterial Agent,Anti-Bacterial Compound,Anti-Mycobacterial Agent,Antibacterial Agent,Antibiotics,Antimycobacterial Agent,Bacteriocidal Agent,Bacteriocide,Anti-Bacterial Compounds,Anti-Mycobacterial Agents,Antibacterial Agents,Antibiotic,Antimycobacterial Agents,Bacteriocidal Agents,Bacteriocides,Agent, Anti-Bacterial,Agent, Anti-Mycobacterial,Agent, Antibacterial,Agent, Antimycobacterial,Agent, Bacteriocidal,Agents, Anti-Bacterial,Agents, Anti-Mycobacterial,Agents, Antibacterial,Agents, Antimycobacterial,Agents, Bacteriocidal,Anti Bacterial Agent,Anti Bacterial Agents,Anti Bacterial Compound,Anti Bacterial Compounds,Anti Mycobacterial Agent,Anti Mycobacterial Agents,Compound, Anti-Bacterial,Compounds, Anti-Bacterial
D012710 Serum Albumin, Bovine Serum albumin from cows, commonly used in in vitro biological studies. (From Stedman, 25th ed) Fetal Bovine Serum,Fetal Calf Serum,Albumin Bovine,Bovine Albumin,Bovine Serum Albumin,Albumin, Bovine,Albumin, Bovine Serum,Bovine Serum, Fetal,Bovine, Albumin,Calf Serum, Fetal,Serum, Fetal Bovine,Serum, Fetal Calf
D013499 Surface Properties Characteristics or attributes of the outer boundaries of objects, including molecules. Properties, Surface,Property, Surface,Surface Property

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