构建网络结构以增强纳米颗粒的稳定性和目标沉积,通过两性藻酸盐和基糖化物
Xiaona Su1, Wenyan Liu2, Bei Yang1
1School of Chemistry and Chemical Engineering, Hainan University, Hainan, Haikou 570228, China.
International journal of biological macromolecules
|April 14, 2024
概括
这项研究开发了一种稳定的纳米粒子 (SeNP) 输送系统,使用基于酸盐的聚合物 (SA-LZ) 和糖化物 (APG). 这提高了SeNP的稳定性和植物的生物可用性,改善了营养.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 植物科学 植物科学
背景情况:
- 纳米粒子 (SeNPs) 提供营养益处,但在水溶液中稳定性和聚合性较差.
- 将SeNP有效地传递给工厂仍然是一个挑战,限制了它们在农业中的应用.
- 开发稳定且可生物利用的 (Se) 输送系统对于提高植物营养至关重要.
研究的目的:
- 开发一种稳定有效的纳米颗粒 (SeNP) 输送系统,使用可再生多糖基材料.
- 研究酸盐基聚合物 (SA-LZ) 和基糖化物 (APG) 对SeNP稳定性和植物生物利用性的影响.
- 为植物中增强的Se营养溶液创建一个智能交付系统.
主要方法:
- 通过藻酸盐 (SA) 和酶 (LZ) 的梅拉德反应合成基于藻酸盐的两性性聚合物 (SA-LZ).
- 将基糖化物 (APG) 纳入SA-LZ,形成SA-LZ/APG,这是用于SeNP封装的多糖基材料.
- 以稳定性,大小,形态来表征由此产生的SA-LZ/APG-SeNP,并评估它们对植物叶子和体外抗氧化活性的影响.
主要成果:
- 在SA-LZ/APG中封装显著增强了SeNP的稳定性,防止聚合并产生球形SeNP (约. 43.0 nm) 的距离.
- 与对照组相比,SA-LZ/APG-SeNPs降低了植物叶面间的张力,增加了植物Se含量.
- 在体外研究表明,SA-LZ/APG-SeNPs和SA-LZ-SeNPs的DPPH和ABTS激素清除活性优越.
结论:
- 该SA-LZ/APG系统为纳米粒子 (SeNPs) 提供了稳定和可降解的矩阵.
- 这种新型的输送系统增强了SeNP在水溶液中的稳定性,并提高了Se在植物中的生物可用性.
- SA-LZ/APG代表了一种有前途的智能传送系统,用于营养溶液,为稳定性和生物可用性提供协同效益.
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