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Article: Biodegradation of Polyimide-Coated Chromium Substrates

TitleBiodegradation of Polyimide-Coated Chromium Substrates
Authors
Issue Date1998
Citation
Acs Symposium Series, 1998, v. 689, p. 211-222 How to Cite?
AbstractThe biodegradation of polyimide-coated chromium substrates has been investigated by electrochemical and optical techniques. All samples were sterilized prior to exposure and experiments were accomplished in either inoculated or non-inoculated (sterile conditions maintained) 0.5 M NaCl solutions. Electrochemical impedance spectra reveal that specimens exposed to inoculated solutions experience deterioration in a shorter time than samples exposed to sterile conditions. These spectra indicate deterioration of the coating and, probably, corrosion of the substrate. In addition, photographic evidence suggests that there is an effect on the polymer as a result of the presence of the microorganisms. These results strongly suggest that the polyimide- chromium system tested during this study is subject to premature breakdown in this inoculum as a result of microbial activity.
Persistent Identifierhttp://hdl.handle.net/10722/123301
ISSN
2005 Impact Factor: 0.566
2015 SCImago Journal Rankings: 0.163
References

 

DC FieldValueLanguage
dc.contributor.authorMitton, DBen_HK
dc.contributor.authorToshima, Sen_HK
dc.contributor.authorChang, SSen_HK
dc.contributor.authorLatanision, RMen_HK
dc.contributor.authorBellucci, Fen_HK
dc.contributor.authorFord, TEen_HK
dc.contributor.authorGu, JDen_HK
dc.contributor.authorMitchell, Ren_HK
dc.date.accessioned2010-09-26T12:00:21Z-
dc.date.available2010-09-26T12:00:21Z-
dc.date.issued1998en_HK
dc.identifier.citationAcs Symposium Series, 1998, v. 689, p. 211-222en_HK
dc.identifier.issn0097-6156en_HK
dc.identifier.urihttp://hdl.handle.net/10722/123301-
dc.description.abstractThe biodegradation of polyimide-coated chromium substrates has been investigated by electrochemical and optical techniques. All samples were sterilized prior to exposure and experiments were accomplished in either inoculated or non-inoculated (sterile conditions maintained) 0.5 M NaCl solutions. Electrochemical impedance spectra reveal that specimens exposed to inoculated solutions experience deterioration in a shorter time than samples exposed to sterile conditions. These spectra indicate deterioration of the coating and, probably, corrosion of the substrate. In addition, photographic evidence suggests that there is an effect on the polymer as a result of the presence of the microorganisms. These results strongly suggest that the polyimide- chromium system tested during this study is subject to premature breakdown in this inoculum as a result of microbial activity.en_HK
dc.languageengen_HK
dc.relation.ispartofACS Symposium Seriesen_HK
dc.titleBiodegradation of Polyimide-Coated Chromium Substratesen_HK
dc.typeArticleen_HK
dc.identifier.emailGu, JD: jdgu@hkucc.hku.hken_HK
dc.identifier.authorityGu, JD=rp00701en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0042611187en_HK
dc.identifier.hkuros44902en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0042611187&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume689en_HK
dc.identifier.spage211en_HK
dc.identifier.epage222en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridMitton, DB=7003830463en_HK
dc.identifier.scopusauthoridToshima, S=7004126480en_HK
dc.identifier.scopusauthoridChang, SS=7405606477en_HK
dc.identifier.scopusauthoridLatanision, RM=7004363106en_HK
dc.identifier.scopusauthoridBellucci, F=7005610882en_HK
dc.identifier.scopusauthoridFord, TE=26634948200en_HK
dc.identifier.scopusauthoridGu, JD=7403129601en_HK
dc.identifier.scopusauthoridMitchell, R=7403974570en_HK

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