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Article: Hydrolysis of functional monomers in a single-bottle self-etching primer - Correlation of 13C NMR and TEM findings

TitleHydrolysis of functional monomers in a single-bottle self-etching primer - Correlation of 13C NMR and TEM findings
Authors
Keywords4-MET
Hydrolysis
Nuclear magnetic resonance
Self-etching
Single-bottle
Issue Date2006
PublisherSage Publications, Inc.. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925
Citation
Journal Of Dental Research, 2006, v. 85 n. 5, p. 422-426 How to Cite?
AbstractSelf-etching primers/adhesives that combine acidic methacrylate monomers with water in a single bottle are hydrolytically unstable and require refrigeration to extend their shelf-lives. This study tested the null hypothesis that one year of intermittent refrigeration of a 4-MET-containing simplified self-etching primer does not result in hydrolytic changes that are identifiable by transmission electron microscopy and 13C NMR spectroscopy. Human dentin was bonded with UniFil Bond immediately after being unpacked, or after one year of intermittent refrigeration at 4°C. Fresh and aged primers were analyzed by NMR for chemical changes. Ultrastructural observations indicated that there was an augmentation in etching capacity of the aged adhesive that was not accompanied by resin infiltration or effective polymerization. New NMR peaks detected from the aged ethanol-based primer confirmed that degradation occurred initially via esterification with ethanol, followed by hydrolysis of both ester groups in the 4-MET. Hydrolysis of functional methacrylate monomers occurs despite intermittent refrigeration.
Persistent Identifierhttp://hdl.handle.net/10722/66524
ISSN
2015 Impact Factor: 4.602
2015 SCImago Journal Rankings: 1.714
PubMed Central ID
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNishiyama, Nen_HK
dc.contributor.authorTay, FRen_HK
dc.contributor.authorFujita, Ken_HK
dc.contributor.authorPashley, DHen_HK
dc.contributor.authorIkemura, Ken_HK
dc.contributor.authorHiraishi, Nen_HK
dc.contributor.authorKing, NMen_HK
dc.date.accessioned2010-09-06T05:47:05Z-
dc.date.available2010-09-06T05:47:05Z-
dc.date.issued2006en_HK
dc.identifier.citationJournal Of Dental Research, 2006, v. 85 n. 5, p. 422-426en_HK
dc.identifier.issn0022-0345en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66524-
dc.description.abstractSelf-etching primers/adhesives that combine acidic methacrylate monomers with water in a single bottle are hydrolytically unstable and require refrigeration to extend their shelf-lives. This study tested the null hypothesis that one year of intermittent refrigeration of a 4-MET-containing simplified self-etching primer does not result in hydrolytic changes that are identifiable by transmission electron microscopy and 13C NMR spectroscopy. Human dentin was bonded with UniFil Bond immediately after being unpacked, or after one year of intermittent refrigeration at 4°C. Fresh and aged primers were analyzed by NMR for chemical changes. Ultrastructural observations indicated that there was an augmentation in etching capacity of the aged adhesive that was not accompanied by resin infiltration or effective polymerization. New NMR peaks detected from the aged ethanol-based primer confirmed that degradation occurred initially via esterification with ethanol, followed by hydrolysis of both ester groups in the 4-MET. Hydrolysis of functional methacrylate monomers occurs despite intermittent refrigeration.en_HK
dc.languageengen_HK
dc.publisherSage Publications, Inc.. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925en_HK
dc.relation.ispartofJournal of Dental Researchen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subject4-METen_HK
dc.subjectHydrolysisen_HK
dc.subjectNuclear magnetic resonanceen_HK
dc.subjectSelf-etchingen_HK
dc.subjectSingle-bottleen_HK
dc.subject.meshAcid Etching, Dental-
dc.subject.meshMagnetic Resonance Spectroscopy-
dc.subject.meshMethacrylates - chemistry-
dc.subject.meshMicroscopy, Electron, Transmission-
dc.subject.meshResin Cements - chemistry-
dc.titleHydrolysis of functional monomers in a single-bottle self-etching primer - Correlation of 13C NMR and TEM findingsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-0345&volume=85&issue=5&spage=422&epage=426&date=2006&atitle=Hydrolysis+of+functional+monomers+in+a+single-bottle+self-etching+primer+--+correlation+of+13C+NMR+and+TEM+findingsen_HK
dc.identifier.emailKing, NM: hhdbknm@hkucc.hku.hken_HK
dc.identifier.authorityKing, NM=rp00006en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1177/154405910608500505en_HK
dc.identifier.pmid16632754-
dc.identifier.pmcidPMC2245806-
dc.identifier.scopuseid_2-s2.0-33744494298en_HK
dc.identifier.hkuros161686en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33744494298&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume85en_HK
dc.identifier.issue5en_HK
dc.identifier.spage422en_HK
dc.identifier.epage426en_HK
dc.identifier.isiWOS:000237002100005-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridNishiyama, N=7201750255en_HK
dc.identifier.scopusauthoridTay, FR=7102091962en_HK
dc.identifier.scopusauthoridFujita, K=7404057888en_HK
dc.identifier.scopusauthoridPashley, DH=35448600800en_HK
dc.identifier.scopusauthoridIkemura, K=35620334000en_HK
dc.identifier.scopusauthoridHiraishi, N=8925934400en_HK
dc.identifier.scopusauthoridKing, NM=7201762850en_HK

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