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Highly Ordered Macroporous Au and Pd by Colloidal Crystal Templating

Chinese Chemical Letters 2003年第7期14卷 763-766页

作者： LingYunHAO WanOuanJIANG chunlingzhu XianMingLIU FanQingLI YuRuiZHU WeiChengFAN YuanHU ZuYaoCHEN StateKeyLaboratoryofFireScience；DevartmentofChemistryUniversityofScienceandTechnologyofChina Hefei230026 DevartmentofChemistryUniversityofScienceandTechnologyofChina Hefei230026 StructureAnalysisLaboratoryUniversityofScienceandTechnologyofChina Hefei230026 StateKeyLaboratoryofFireScienceUniversityofScienceandTechnologyofChina Hefei230026 DevartmentofChemistryUniversityofScienceandTechnologyofChina Hefei230026；StructureAnalysisLaboratoryUniversityofScienceandTechnologyofChinaHefei230026

The highly ordered macroporous Au and Pd with regular arrays of spherical pores have been synthesized by poly (styrene-co-acrylic) (PSA) colloidal crystal template. The pore size is tuneable in the range of 100-400 nm according to the size of PSA latex. The mechanism is based on the in-situ impregnating and reducing of metal ions in the interspaces of the PSA spheres then removing the template.

关键词： Macroporous materials chemical synthesis scanning electron microanalyzer.

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The Mechanism of Antimicrobial Peptide MPX against Enterohemorrhagic Escherichia coli in Vitro

The Mechanism of Antimicrobial Peptide MPX against Enterohem...

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中国微生物学会兽医微生物学专业委员会暨中国畜牧兽医学会生物制品学分会2021年学术论坛

作者： XueqinZhao chunlingzhu LeiWang HannaFotina JianheHu Sumy National Agrarian University College of Animal Science and Veterinary Medicine Henan Institute of Science and Technology College of Veterinary Medicine JiLin University

Escherichia coli is a facultative anaerobic bacteria that exists in the gastrointestinal tract of humans and *** can cause diarrhea,enteritis,destruction of the host’s intestinal barrier,and intestinal microecological *** has a high lethality rate *** brings a huge threat to the development of animal husbandry and human *** recent years,due to the abuse of traditional antibiotics,a variety of drug-resistant strains and super bacteria have emerged in an endless ***,there is an urgent need to find new alternatives to *** peptides are a type of small peptides produced when organisms resist the invasion of foreign *** are an important part of the body’s innate immune system and have a variety of biological functions,such as anti-bacterial,anti-virus,anti-parasitic,promote wound healing and immune regulation and other *** with traditional antibiotics,antimicrobial peptides have the characteristics of small molecular weight,good water solubility,good thermal stability,unique antibacterial mechanism,broad-spectrum antibacterial activity against clinically resistant strains,and resistance to bacterial *** are considered to be the best alternative to antibiotics which has become a research hotspot in recent *** antimicrobial peptide MPX is extracted from wasp venom and has a good bactericidal effect on many *** the early stage of our research group,it has found that MPX has a good bactericidal effect on Actinobacillus pleuropneumoniae, with a minimum inhibitory concentration(MIC) of 16 ug/*** explore the effect of antimicrobial peptide MPX against *** function of antimicrobial peptide MPX against *** was detected by MIC,plate count,propidium iodide,NPN and DiSC(c5) permeability testing,immunofluorescence microscope observation,and the impact of MPX stability by temperature,pH,*** this study,the results of the antibacterial activity test

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Antimicrobial peptide MPX relieves Enterohemorrhagic Escherichia coli-induced Intestinal Inflammation by Improving the Diversity of Intestinal Flora

Antimicrobial peptide MPX relieves Enterohemorrhagic Escheri...

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中国微生物学会兽医微生物学专业委员会暨中国畜牧兽医学会生物制品学分会2021年学术论坛

Escherichia coli is a facultative anaerobic bacteria that mainly exists in the gastrointestinal tract of humans and *** can cause the destruction of the host intestinal barrier and intestinal microecological *** intestinal microbiota participates in a variety of physiological functions and is an important factor in the development of the intestinal immune system and driving *** peptides are the body’s first line of defense against the invasion of pathogenic microorganisms and an important part of the body’s defense *** have found that antimicrobial peptides can change the body’s microbial composition and maintain the intestinal microecological *** previous study have found that the antimicrobial peptide MPX could alleviate the intestinal inflammatory response caused by *** infection and improve the intestinal barrier *** study the effect of antimicrobial peptide MPX on intestinal inflammation and changes in intestinal flora induced by *** this study,the antimicrobial peptide MPX pre-treatment and the intestinal microbiota of *** infected mice were subjected to 16 s rDNA sequencing to detect changes in the intestinal microbiota from a new perspective.48 male and female BALB/c mice were divided into normal group,antimicrobial peptide MPX group,control group(*** infection group) and antimicrobial peptide MPX+*** infection *** peptide MPX and Escherichia coli were administered and infected by gavage,and successfully established a model of *** infection in the intestinal flora of *** was found that the antimicrobial peptide MPX effectively relieves weight loss and clinical symptoms caused by *** *** ELISA test found that the antimicrobial peptide MPX reduced serum MPO,IL-2,IL-6,and TNF-α levels caused by *** infection,and the effect of 14 days was better than 28 *** results of HE staining and scanning electron microscopy showed that *** infe

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