Progress and prospects of nanomaterials against resistant bacteria

被引:47
作者
He, Jian [2 ]
Hong, Mian [1 ]
Xie, Wenqing [2 ]
Chen, Zhen [1 ]
Chen, Dongmei [2 ]
Xie, Shuyu [1 ]
机构
[1] MAO Key Lab Detect Vet Drug Residues, Natl Reference Lab Vet Drug Residues HZAU, Wuhan, Peoples R China
[2] Huazhong Agr Univ, MOA Lab Risk Assessment Qual & Safety Livestock &, Wuhan 430070, Hubei, Peoples R China
基金
中国国家自然科学基金;
关键词
nanomaterials; bacterial resistance; intracellular bacteria; biofilms; IRON-OXIDE NANOPARTICLES; GRAM-NEGATIVE BACTERIA; SILVER NANOPARTICLES; BIODEGRADABLE NANOPARTICLES; ANTIBACTERIAL ACTIVITY; PHOTODYNAMIC THERAPY; LIPID NANOPARTICLES; GOLD NANOPARTICLES; ZNO NANOPARTICLES; BIOFILM FORMATION;
D O I
10.1016/j.jconrel.2022.09.030
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Drug-resistant bacterial infections are increasingly heightening, which lead to more severe illness, higher cost of treatment and increased risk of death. Nanomaterials-based therapy, an "outrider", serving as a kind of inno-vative antimicrobial therapeutics, showing promise in replacing antimicrobial agents and enhancing the activity of antibiotics, generally bases on the various inorganic and/or organic materials. When the size of those materials is below to a certain nano-level and the content of nanomaterials is above a certain amount, they are lethal to the resistant bacteria, which bypass the traditional bacterial resistance mechanisms. This review highlights the effect of nanomaterials in combating extracellular/intracellular bacteria and eradicating biofilms. Based on the studies searched on the Web of Science through relevant keywords, this review article starts with analyzing the current situation, resistance mechanisms, and treatment difficulties of bacteria resistance. Then, the efficacy of nano -materials against resistant bacteria and their mechanisms (e.g., physical impairment, biofilm lysis, regulating bacterial metabolism, protein and DNA replication as well as enhancing the antibiotics concentration in infected cells) are collected. Lastly, the factors affecting the antibacterial efficacy are argued from the side of nanomatrials and bacterium, which followed by the emerging challenges and recent perspectives of achieving higher targeting released nanomaterials as antibacterial therapeutics.
引用
收藏
页码:301 / 323
页数:23
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