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Cited 29 time in webofscience Cited 34 time in scopus
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Modification of polycarbonate with hydrophilic/hydrophobic coatings for the fabrication of microdevices

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dc.contributor.authorJang, Minjeong-
dc.contributor.authorPark, Chan Kyung-
dc.contributor.authorLee, Nae Yoon-
dc.date.available2020-02-28T17:46:55Z-
dc.date.created2020-02-06-
dc.date.issued2014-03-
dc.identifier.issn0925-4005-
dc.identifier.urihttps://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/12796-
dc.description.abstractIn this paper, we introduce a simple strategy for modifying the surface of polycarbonate (PC) to make it either hydrophilic or hydrophobic. The aminosilane, bis[3-(trimethoxysilyl)propyl]amine (bis-TPA), was used to produce the hydrophilic surface via aminolysis of the carbonate backbone to form strong urethane linkages, leaving alkoxysilane parts exposed on the surface. To obtain the hydrophobic surface, PC coated with bis-TPA was further reacted with (tridecafluoro-1,1,2,2-tetrahydrooctyl)-triethoxysilane (FTES), where inorganic moieties of both silanes condensed to realize siloxane (Si-O-Si) bonds. In this way, fluorinated groups were left exposed on the terminal surface of the PC, rendering it hydrophobic. In-depth surface characterizations were performed, including water contact angle measurement and X-ray photoelectron spectroscopy (XPS) analysis, in order to identify the optimum conditions for achieving surface modification without sacrificing substrate transparency. To extend the use of these PC surface treatments to microfluidic applications, the hydrophilic coating was further adopted for use in bonding two PC substrates by forming Si-O-Si bonds at the interface. Using the hydrophilic treatment of PC, we obtained microchannels, which were resistant to organic solvents. Furthermore, by employing subsequent hydrophobic treatment, multiple liquids were successfully injected into microchannels sequentially in a valve-free manner (C) 2013 Elsevier B.V. All rights reserved.-
dc.language영어-
dc.language.isoen-
dc.publisherELSEVIER SCIENCE SA-
dc.relation.isPartOfSENSORS AND ACTUATORS B-CHEMICAL-
dc.subjectABRASION-RESISTANT COATINGS-
dc.subjectSAMPLE INJECTION-
dc.subjectSURFACE-
dc.subjectFILMS-
dc.subject3-AMINOPROPYLTRIETHOXYSILANE-
dc.subjectPRESSURE-
dc.titleModification of polycarbonate with hydrophilic/hydrophobic coatings for the fabrication of microdevices-
dc.typeArticle-
dc.type.rimsART-
dc.description.journalClass1-
dc.identifier.wosid000330113600084-
dc.identifier.doi10.1016/j.snb.2013.11.121-
dc.identifier.bibliographicCitationSENSORS AND ACTUATORS B-CHEMICAL, v.193, pp.599 - 607-
dc.identifier.scopusid2-s2.0-84891501204-
dc.citation.endPage607-
dc.citation.startPage599-
dc.citation.titleSENSORS AND ACTUATORS B-CHEMICAL-
dc.citation.volume193-
dc.contributor.affiliatedAuthorJang, Minjeong-
dc.contributor.affiliatedAuthorPark, Chan Kyung-
dc.contributor.affiliatedAuthorLee, Nae Yoon-
dc.type.docTypeArticle-
dc.subject.keywordAuthorPolycarbonate-
dc.subject.keywordAuthorHydrophilic/hydrophobic coating-
dc.subject.keywordAuthorUrethane linkage-
dc.subject.keywordAuthorSiloxane bond-
dc.subject.keywordAuthorChemical resistance-
dc.subject.keywordAuthorValve-free sequential injection-
dc.subject.keywordPlusABRASION-RESISTANT COATINGS-
dc.subject.keywordPlusSAMPLE INJECTION-
dc.subject.keywordPlusSURFACE-
dc.subject.keywordPlusFILMS-
dc.subject.keywordPlus3-AMINOPROPYLTRIETHOXYSILANE-
dc.subject.keywordPlusPRESSURE-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaElectrochemistry-
dc.relation.journalResearchAreaInstruments & Instrumentation-
dc.relation.journalWebOfScienceCategoryChemistry, Analytical-
dc.relation.journalWebOfScienceCategoryElectrochemistry-
dc.relation.journalWebOfScienceCategoryInstruments & Instrumentation-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
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