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首页> 外文期刊>Polymers for advanced technologies >Amino acid-derived Poly((L)-Lysine) (p(LL)) microgel as a versatile biomaterial: Hydrolytically degradable, drug carrying, chemically modifiable and antimicrobial material
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Amino acid-derived Poly((L)-Lysine) (p(LL)) microgel as a versatile biomaterial: Hydrolytically degradable, drug carrying, chemically modifiable and antimicrobial material

机译:氨基酸衍生的聚((L) - 丙氨酸)(P(LL))微凝胶作为通用的生物材料:水解可降解,药物携带,化学可改性和抗微生物材料

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摘要

Here, a microgel of poly((L)-Lysine) (p(LL)) from an amino acid,(L)-Lysine, was synthesized by microemulsion technique using AOT as surfactant in gasoline. The prepared p(LL) microgel was shown to be hydrolytically degradable at pH values of 5.4, 7.4, and 9 in phosphate buffer solution (PBS). The protonated p(LL) microgel was loaded with model drugs such as naproxen and riboflavin and found to release about 80% of loaded naproxen in 180 minutes and 70% of loaded riboflavin in about 120 minutes suggesting the potential of p(LL) microgels to act as fast drug delivery vehicles. Furthermore, p(LL) microgels were chemically modified with 1-bromoethane (BE), 1-bromooctane (BO), and 1-bromoethylamine (BEA) to render antimicrobial capabilities. It was found that protonated p(LL) microgels had 29 +/- 1 mm inhibition zone diameter forPseudomonas aeruginosaATCC 10145. Furthermore, minimum inhibition concentration (MIC) and minimum bactericidal concentration (MBC) values forStaphylococcus aureusATCC 6538 were also calculated as 1 and 2.5 mg/mL concentrations, respectively, for protonated p(LL) microgels.
机译:这里,通过使用AOT作为汽油中的表面活性剂,通过微乳液技术合成来自氨基酸(L) - 氨基的聚((L)-LYSINE)(P(LL))的微凝胶。制备的p(L1)微凝胶显示在磷酸盐缓冲溶液(PBS)的pH值为5.4,7.4和9的pH值下水解可降解。质子化的P(LL)微凝胶用模型药物,如萘普生和核黄素,发现在约120分钟内释放约80%的180分钟和70%负载的核黄素,提出p(ll)微凝胶的潜力。充当快速药物送货车。此外,P(LL)微凝胶用1-溴乙烷(是),1-溴辛烷(BO)和1-溴乙胺(BEA)化学改性,以呈现抗微生物能力。发现质子化P(LL)微凝胶具有29 +/- 1mM抑制区直径Forpseudomonas铜绿假单胞菌10145.此外,最低抑制浓度(MIC)和最小杀菌浓度(MBC)值对外抑菌剂(MIC)和最小杀菌浓度(MBC)值也计算为1和2.5分别用于质子化P(LL)微凝胶的Mg / ml浓度。

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