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Non-contact fiber-optical trapping of motile bacteria: dynamics observation and energy estimation

Scientific reports, 2014-10, Vol.4 (1), p.6576-6576, Article 6576 [Peer Reviewed Journal]

Copyright Nature Publishing Group Oct 2014 ;Copyright © 2014, Macmillan Publishers Limited. All rights reserved 2014 Macmillan Publishers Limited. All rights reserved ;ISSN: 2045-2322 ;EISSN: 2045-2322 ;DOI: 10.1038/srep06576 ;PMID: 25300713

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  • Title:
    Non-contact fiber-optical trapping of motile bacteria: dynamics observation and energy estimation
  • Author: Xin, Hongbao ; Liu, Qingyuan ; Li, Baojun
  • Subjects: Bacteria ; Cell Movement - physiology ; Energy ; Energy Metabolism ; Escherichia coli - metabolism ; Escherichia coli - physiology ; Optical Fibers ; Single-Cell Analysis - methods ; Trapping
  • Is Part Of: Scientific reports, 2014-10, Vol.4 (1), p.6576-6576, Article 6576
  • Description: The dynamics and energy conversion of bacteria are strongly associated with bacterial activities, such as survival, spreading of bacterial diseases and their pathogenesis. Although different discoveries have been reported on trapped bacteria (i.e. immobilized bacteria), the investigation on the dynamics and energy conversion of motile bacteria in the process of trapping is highly desirable. Here, we report a non-contact optical trapping of motile bacteria using a modified tapered optical fiber. Using Escherichia coli as an example, both single and multiple motile bacteria have been trapped and manipulated in a non-contact manner. Bacterial dynamics has been observed and bacterial energy has been estimated in the trapping process. This non-contact optical trapping provides a new opportunity for better understanding the bacterial dynamics and energy conversion at the single cell level.
  • Publisher: England: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 2045-2322
    EISSN: 2045-2322
    DOI: 10.1038/srep06576
    PMID: 25300713
  • Source: AUTh Library subscriptions: ProQuest Central
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