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MitchellRobertJames

Mitchell, Robert J.
Applied and Environmental Microbiology Lab.
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dc.citation.endPage 199 -
dc.citation.number 2 -
dc.citation.startPage 192 -
dc.citation.title BIOSENSORS & BIOELECTRONICS -
dc.citation.volume 22 -
dc.contributor.author Mitchell, Robert J. -
dc.contributor.author Gu, MB -
dc.date.accessioned 2023-12-22T09:44:08Z -
dc.date.available 2023-12-22T09:44:08Z -
dc.date.created 2014-09-18 -
dc.date.issued 2006-08 -
dc.description.abstract Twelve recombinant bioluminescent bacteria have been immobilized within the wells of a 96-well plate using two different matrices-agar and sol-gel. All 12 strains were immobilized within individual wells of the plates and the sensitivity of the strains and the stability of the responses were determined for select chemicals. Each strain was exposed to seven well-characterized chemicals over a wide range of concentrations to demonstrate their individual selectivity for specific toxicants. Although the sensitivity of the immobilized cells was generally lower than cultures grown in liquid media, they were comparable. For example, strain DPD1710, which responds to DNA damage was able to detect mitomycin C, a genotoxin, at a minimum concentration of 0.6 ppb. When immobilized, the lower limit of detection was between 1 and 10 ppb. Finally, using compounds that are known to elicit a response from each of the strains, the stability of the bioluminescent responses were measured over an extended period of 4 weeks. Although the activity of several strains decreased over time, the majority of the strains used in both immobilized systems were still responsive. -
dc.identifier.bibliographicCitation BIOSENSORS & BIOELECTRONICS, v.22, no.2, pp.192 - 199 -
dc.identifier.doi 10.1016/j.bios.2005.12.019 -
dc.identifier.issn 0956-5663 -
dc.identifier.scopusid 2-s2.0-33747348453 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/6258 -
dc.identifier.url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33747348453 -
dc.identifier.wosid 000240906100005 -
dc.language 영어 -
dc.publisher ELSEVIER ADVANCED TECHNOLOGY -
dc.title Characterization and optimization of two methods in the immobilization of 12 bioluminescent strains -
dc.type Article -
dc.description.journalRegisteredClass scopus -

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