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A multinuclear metal complex based dnase-mimetic artificial enzyme: matrix cleavage for combating bacterial biofilms
Chen, Zhaowei1,2,3,4,5; Ji, Haiwei1,2,3; Liu, Chaoqun1,2,3; Bing, Wei1,2,3; Wang, Zhenzhen1,2,3; Qu, Xiaogang1,2
刊名Angewandte chemie-international edition
2016-08-26
卷号55期号:36页码:10732-10736
关键词Artificial enzymes Bacteria Biofilms Dnase Extracellular dna
ISSN号1433-7851
DOI10.1002/anie.201605296
通讯作者Qu, xiaogang(xqu@ciac.ac.cn)
英文摘要Extracellular dna (edna) is an essential structural component during biofilm formation, including initial bacterial adhesion, subsequent development, and final maturation. herein, the construction of a dnase-mimetic artificial enzyme (dmae) for anti-biofilm applications is described. by confining passivated gold nanoparticles with multiple cerium(iv) complexes on the surface of colloidal magnetic fe3o4/sio2 core/shell particles, a robust and recoverable artificial enzyme with dnase-like activity was obtained, which exhibited high cleavage ability towards both model substrates and edna. compared to the high environmental sensitivity of natural dnase in anti-biofilm applications, dmae exhibited a much better operational stability and easier recoverability. when dmae was coated on substratum surfaces, biofilm formation was inhibited for prolonged periods of time, and the dmae excelled in the dispersion of established biofilms of various ages. finally, the presence of dmae remarkably potentiated the efficiency of traditional antibiotics to kill biofilm-encased bacteria and eradiate biofilms.
WOS关键词EXTRACELLULAR DNA ; STAPHYLOCOCCUS-EPIDERMIDIS ; GOLD NANOPARTICLES ; PHOSPHATE DIESTERS ; NITRIC-OXIDE ; SURFACE ; ANTIBACTERIAL ; NANOMATERIALS ; HYDROLYSIS ; MECHANISM
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
语种英语
出版者WILEY-V C H VERLAG GMBH
WOS记录号WOS:000383473600036
内容类型期刊论文
URI标识http://www.corc.org.cn/handle/1471x/2376011
专题中国科学院大学
通讯作者Qu, Xiaogang
作者单位1.Chinese Acad Sci, Changchun Inst Appl Chem, Biol Chem Lab, Changchun 130022, Jilin, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resources Utilizat, Changchun 130022, Jilin, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
4.Univ North Carolina Chapel Hill, Joint Dept Biomed Engn, Raleigh, NC 27695 USA
5.North Carolina State Univ, Raleigh, NC 27695 USA
推荐引用方式
GB/T 7714
Chen, Zhaowei,Ji, Haiwei,Liu, Chaoqun,et al. A multinuclear metal complex based dnase-mimetic artificial enzyme: matrix cleavage for combating bacterial biofilms[J]. Angewandte chemie-international edition,2016,55(36):10732-10736.
APA Chen, Zhaowei,Ji, Haiwei,Liu, Chaoqun,Bing, Wei,Wang, Zhenzhen,&Qu, Xiaogang.(2016).A multinuclear metal complex based dnase-mimetic artificial enzyme: matrix cleavage for combating bacterial biofilms.Angewandte chemie-international edition,55(36),10732-10736.
MLA Chen, Zhaowei,et al."A multinuclear metal complex based dnase-mimetic artificial enzyme: matrix cleavage for combating bacterial biofilms".Angewandte chemie-international edition 55.36(2016):10732-10736.
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