绿色合成的尿连接的塔玛林德种子西洛格卢干:热稳定性,抗菌性质,和DFT研究研究
Jesna Das Silvadas1, Renjith Sasimohanan Pillai2, Resmi Viswanadhan Girija1
1Post Graduate & Research Department of Chemistry, Mahatma Gandhi College, Thiruvananthapuram, India.
Biopolymers
|December 20, 2024
概括
这项研究开发了一种单合成,用于泰玛林种子的西洛格卢干 (XG) 复合材料. 由此产生的与尿结合的XG显示了改善的热稳定性和增强的抗菌性质,对生物医学用途具有前景.
科学领域:
- 生物聚合物的化学化学
- 材料科学 材料科学 材料科学
- 有机合成 有机合成
背景情况:
- 茄子种子的氧糖糖 (XG) 是一种具有潜在应用的天然多糖.
- 修改生物聚合物可以提高其性能,用于先进的用途.
- 异酸盐化学提供了功能化多糖的途径.
研究的目的:
- 开发一种易于单合成的复合生物聚合物材料,由糖.
- 研究改性生物聚合物的热稳定性和抗菌活性.
- 通过计算方法研究合成材料的结构和结合特性.
主要方法:
- 一合成利用异酸盐化学物质在西洛葡萄糖中形成尿键.
- 里埃变换红外光谱 (FTIR) 和CHN分析用于化学表征.
- 密度函数理论 (DFT) 用于结构和结合的计算分析.
- 对致病性细菌 (S. aureus,S. epidermidis,E. coli) 的抗菌疗效测试.
主要成果:
- 通过FTIR和CHN分析证实,尿连接交叉连接的西洛格卢干 (U-XG) 的成功形成.
- 与原生XG (163°C) 相比,U-XG具有显著增强的热稳定性,降解温度 (T5%) 为276°C.
- 与未经修改的XG相比,U-XG在对抗Staphylococcus epidermidis的抗菌活性更强.
结论:
- 建立了一种可行的单合成方法,用于尿结合的西洛格卢干 (U-XG).
- 合成的U-XG具有更好的热稳定性和强大的抗菌特性.
- 这种改性生物聚合物显示出生物医学和抗菌材料应用的巨大潜力.
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