Monodisperse poly(2-vinyl pyridine-co-N-isopropylacrylamide) (p(2-VP-co-NIPAM)), Poly(2-vinyl pyridine-co-glycidyl methacrylate) (p(2-VP-co-GMA)), poly(4-vinyl pyridine-co-N-isopropylacrylamide) (p(4-VP-co-NIPAM)) and poly(4-vinyl pyridine-co-glycidyl methacrylate) (p(4-VP-co-GMA)) microgel was synthesized via surfactant free polymerization technique in the argon atmosphere. The prepared mono disperse particles were exposed to chemical modification reactions by using bromo/dibromo alkanes as modifying agents with various lengths (Cn, n= 4, 6 and 8) to prepare polymeric ionic liquids (PILs) particles of p(2-VP-co-NIPAM)+, p(2-VP-co-GMA)+, p(4-VP-co-NIPAM)+, p(4-VP-co-GMA)+ microgels [1-3]. Furthermore, the p(2-VP-co-GMA)+ and p(4-VP-co-GMA)+ microgels containing epoxy groups were further exposed to post modification by using various chemical reagents such as NaOH, NH4OH and so on. The prepared microgels were characterized by SEM, DLS and Zeta potential measurements, and FT-IR spectroscopy for visualization, size and surface charges and structural analysis. Also, the all microgels were tested for antimicrobial properties against bacteria such as Staphylococcus aureus ATCC 6538, Escherichia coli ATCC 8739, Bacillis subtilis ATCC 6633 and Pseudomonas aeruginosa ATCC 10145. The potential use of these microgel as drug delivery vehicles, and biological molecule separation for biomedical application were investigated [4,5]. [1]. Sahin Demirci, Nurettin Sahiner, PEI-based ionic liquid colloids for versatile use: Biomedical and environmental applications, Journal of Molecular Liquids, 194 (2014) 85-92. [2]. Nurettin Sahiner, Alper O. Yasar, Monodispersed p(2-VP) and p(2-VP-co-4-VP) particle preparation and their use as template for metal nanoparticle and as catalyst for H2 production from NaBH4 and NH3BH3 hydrolysis, International Journal of Hydrogen Energy, 39 (2014) 10476-10484. [3]. Nurettin Sahiner, A Facile Method for the Preparation of Poly(4-vinylpyridine) Nanoparticles and their Characterization, Turkish Journal of Chemistry, 33, 23-31. [4]. Nurettin Sahiner, Preparation of poly(ethylene imine) particles for versatile applications, Colloids and Surfaces A: Physicochem. & Eng. Aspects, 433 (2013) 212-218. [5]. Nurettin Sahiner, Tugce Turhan, L. Andrew Lyon, ILC (ionic liquid colloids) based on p(4-VP) (poly(4-vinyl pyridine)) microgels: Synthesis, characterization and use in hydrogen production, Energy, 66 (2014) 256-263.

Monodisperse  polymeric ionic liquid microgels by post modifications and their versatile biomedical applications

249th National Meeting (2015)

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