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Article: Study of adsorption behavior of bilirubin on human-albumin monolayer using a quartz crystal microbalance

TitleStudy of adsorption behavior of bilirubin on human-albumin monolayer using a quartz crystal microbalance
Authors
KeywordsAdsorption
Bilirubin
Human-albumin
Quartz crystal microbalance
Issue Date2002
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jcis
Citation
Journal Of Colloid And Interface Science, 2002, v. 253 n. 1, p. 47-52 How to Cite?
AbstractThe quartz crystal microbalance was employed to study the adsorption behavior of bilirubin on human-albumin layer, which was chemically bound to the self-assembled monolayer of 4-aminothiophenol on the surface of a gold electrode of the crystal via glutaraldehyde. A long-time adsorption process of bilirubin that took place on a human-albumin-modified surface was observed, and the adsorption kinetic parameters were estimated from the in situ frequency measurements. The amount of adsorbed bilirubin increased with increasing of both hydrogen ions and bilirubin concentration and was larger than that estimated based on the conclusion that there are two affinity sites for bilirubin per albumin molecule. With the present method, the displacement of bilirubin from an albumin layer caused by aspirin was also examined. QCM measurement provides a facile method for in situ monitoring of the adsorption/desorption of bilirubin on proteins layers. © 2002 Elsevier Science (USA).
Persistent Identifierhttp://hdl.handle.net/10722/69741
ISSN
2015 Impact Factor: 3.782
2015 SCImago Journal Rankings: 1.126
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSi, Sen_HK
dc.contributor.authorSi, Len_HK
dc.contributor.authorRen, Fen_HK
dc.contributor.authorZhu, Den_HK
dc.contributor.authorFung, Yen_HK
dc.date.accessioned2010-09-06T06:16:25Z-
dc.date.available2010-09-06T06:16:25Z-
dc.date.issued2002en_HK
dc.identifier.citationJournal Of Colloid And Interface Science, 2002, v. 253 n. 1, p. 47-52en_HK
dc.identifier.issn0021-9797en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69741-
dc.description.abstractThe quartz crystal microbalance was employed to study the adsorption behavior of bilirubin on human-albumin layer, which was chemically bound to the self-assembled monolayer of 4-aminothiophenol on the surface of a gold electrode of the crystal via glutaraldehyde. A long-time adsorption process of bilirubin that took place on a human-albumin-modified surface was observed, and the adsorption kinetic parameters were estimated from the in situ frequency measurements. The amount of adsorbed bilirubin increased with increasing of both hydrogen ions and bilirubin concentration and was larger than that estimated based on the conclusion that there are two affinity sites for bilirubin per albumin molecule. With the present method, the displacement of bilirubin from an albumin layer caused by aspirin was also examined. QCM measurement provides a facile method for in situ monitoring of the adsorption/desorption of bilirubin on proteins layers. © 2002 Elsevier Science (USA).en_HK
dc.languageengen_HK
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jcisen_HK
dc.relation.ispartofJournal of Colloid and Interface Scienceen_HK
dc.subjectAdsorptionen_HK
dc.subjectBilirubinen_HK
dc.subjectHuman-albuminen_HK
dc.subjectQuartz crystal microbalanceen_HK
dc.titleStudy of adsorption behavior of bilirubin on human-albumin monolayer using a quartz crystal microbalanceen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0021-9797&volume=253&spage=47&epage=52&date=2002&atitle=Study+of+adsorption+behavior+of+bilirubin+on+human-albumin+monolayer+using+a+quartz+crystal+microbalanceen_HK
dc.identifier.emailFung, Y:ysfung@hku.hken_HK
dc.identifier.authorityFung, Y=rp00697en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1006/jcis.2002.8491en_HK
dc.identifier.pmid16290829-
dc.identifier.scopuseid_2-s2.0-0036438594en_HK
dc.identifier.hkuros76057en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036438594&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume253en_HK
dc.identifier.issue1en_HK
dc.identifier.spage47en_HK
dc.identifier.epage52en_HK
dc.identifier.isiWOS:000177767900006-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridSi, S=7006049232en_HK
dc.identifier.scopusauthoridSi, L=36891125200en_HK
dc.identifier.scopusauthoridRen, F=8515544800en_HK
dc.identifier.scopusauthoridZhu, D=7403599128en_HK
dc.identifier.scopusauthoridFung, Y=13309754700en_HK

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