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Plasmonic probing of the adhesion strength of single microbial cells.
Liu, Yi-Nan; Lv, Zhen-Ting; Lv, Wen-Li; Liu, Xian-Wei.
Afiliação
  • Liu YN; Chinese Academy of Sciences Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, 230026 Hefei, China.
  • Lv ZT; Chinese Academy of Sciences Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, 230026 Hefei, China.
  • Lv WL; Chinese Academy of Sciences Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, 230026 Hefei, China.
  • Liu XW; Chinese Academy of Sciences Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, 230026 Hefei, China; xianweiliu@ustc.edu.cn.
Proc Natl Acad Sci U S A ; 117(44): 27148-27153, 2020 11 03.
Artigo em Inglês | MEDLINE | ID: mdl-33060295
ABSTRACT
Probing the binding between a microbe and surface is critical for understanding biofilm formation processes, developing biosensors, and designing biomaterials, but it remains a challenge. Here, we demonstrate a method to measure the interfacial forces of bacteria attached to the surface. We tracked the intrinsic fluctuations of individual bacterial cells using an interferometric plasmonic imaging technique. Unlike the existing methods, this approach determined the potential energy profile and quantified the adhesion strength of single cells by analyzing the fluctuations. This method provides insights into biofilm formation and can also serve as a promising platform for investigating biological entity/surface interactions, such as pathogenicity, microbial cell capture and detection, and antimicrobial interface screening.
Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: Proc Natl Acad Sci U S A Ano de publicação: 2020 Tipo de documento: Artigo País de afiliação: China

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: Proc Natl Acad Sci U S A Ano de publicação: 2020 Tipo de documento: Artigo País de afiliação: China
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