菌群(微生物学)
纳米颗粒
纳米
纳米技术
锌
二氧化钛
化学
材料科学
细菌
化学工程
生物
工程类
冶金
遗传学
作者
J H Zhang,Z J Chen,Guang Jia
出处
期刊:PubMed
日期:2021-12-20
卷期号:39 (12): 956-960
被引量:1
标识
DOI:10.3760/cma.j.cn121094-20201010-00564
摘要
Nanoparticle is a kind of material with at least one dimension in Nanometer scale, which has unique physical and chemical properties and is widely used in the fields of food and engineering. Intestinal Flora is involved in the regulation of human circulation and metabolism. The disturbance of Intestinal Flora may cause inflammatory reaction and chronic metabolic diseases. Nano titanium dioxide, Nano silver, Nano zinc oxide, Nano carbon nanoparticles and other nanoparticles have been proven to have good antibacterial properties, and can affect the intestinal flora of experimental animals. In this paper, the effects and mechanisms of various nanoparticles on intestinal microflora are summarized, which is helpful to provide a new idea for the safety study of nanoparticles.纳米颗粒(nanoparticle)是指外部尺寸或内部结构中至少一维处于纳米尺度的材料,具有独特的理化特性,在食品和工程等领域具有广泛应用,对人体有暴露风险。肠道菌群参与人体循环和代谢的调控,菌群紊乱可能造成炎症反应和慢性代谢性疾病等健康问题。纳米二氧化钛、纳米银、纳米氧化锌、碳纳米颗粒等多种纳米颗粒被证实具有良好的抗菌性,并可影响实验动物的肠道菌群。本文总结了多种纳米颗粒对肠道菌群影响及机制,有助于为纳米颗粒的安全性研究提供新的思路。.
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