期刊
BIOCONJUGATE CHEMISTRY
卷 29, 期 6, 页码 2090-2099出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.bioconjchem.8b00305
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资金
- Natural Science Foundation of China [81728010, 21575032, 21775010]
- Beijing Natural Science Foundation [L172018]
- Fundamental Research Funds for the Central Universities [PYBZ1707, buctrc20160 7, PT1801]
- Open Ground from Beijing National Laboratory for Molecular Sciences
- Institute of Chemistry, CAS
Microbes play an important function in our lives, while some pathogenic bacteria are responsible for many infectious diseases, food safety, and ecological pollution. Layered double hydroxide (LDH) is a kind of natural two-dimensional material and has been applied in many fields. Lysozyme is a green natural antibacterial agent, while the antimicrobial activity of lysozyme is not as good as antibiotics. We use a different ratio of cations to tune the morphology of LDH covered with lysozyme to enhance the antibacterial ability of lysozyme. We synthesize MgAl-LDH, ZnAl-LDH, and ZnMgAl-LDH covered with lysozyme, characterize the structure and morphology, test the antibacterial in culture media, and evaluate the biotoxicity in vitro and in vivo. The flower-like structure of ZnMgAl-LDH has a rough surface, covered with lysozyme with a perfect ring, and presents good antibaterial properties and promotes wound healing of mice. The bloom flower structure of ZnMgAl-LDH can enhance the loading rate of lysozyme; meanwhile, the rougher surface can adhere more bacteria, so lyso@ZnMgAI-LDH presents better antibacterial activity than the binary LDHs.
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