Active Control of SPR by Thermoresponsive Hydrogels for Biosensor Applications.
Identifieur interne : 000893 ( Main/Exploration ); précédent : 000892; suivant : 000894Active Control of SPR by Thermoresponsive Hydrogels for Biosensor Applications.
Auteurs : RBID : pubmed:23762499Abstract
The use of thermoresponsive poly(N-isopropylacrylamide)-based hydrogel (pNIPAAm) for rapid tuning of surface plasmon resonance (SPR) is reported. This approach is implemented by using an SPR layer architecture with an embedded indium tin oxide microheater and pNIPAAm film on its top. It takes advantage of rapid thermally induced swelling and collapse of pNIPAAm that is accompanied by large refractive index changes and leads to high thermo-optical coefficient of dn/dT = 2 × 10(-2) RIU/K. We show that this material is excellently suited for efficient control of refractive index-sensitive SPR and that it can serve simultaneously as a 3D binding matrix in biosensor applications (if modified with biomolecular recognition elements for a specific capture of target analyte). We demonstrate that this approach enables modulating of the output signal in surface plasmon-enhanced fluorescence spectroscopy biosensors and holds potential for simple time-multiplexing of sensing channels for parallelized readout of fluorescence assays.
DOI: 10.1021/jp400255u
PubMed: 23762499
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Active Control of SPR by Thermoresponsive Hydrogels for Biosensor Applications.</title><author><name sortKey="Toma, Mana" uniqKey="Toma M">Mana Toma</name><affiliation wicri:level="1"><nlm:affiliation>AIT-Austrian Institute of Technology , BioSensor Technologies, Muthgasse 11/2, 1190 Vienna, Austria.</nlm:affiliation><country xml:lang="fr">Autriche</country><wicri:regionArea>AIT-Austrian Institute of Technology , BioSensor Technologies, Muthgasse 11/2, 1190 Vienna</wicri:regionArea></affiliation></author><author><name sortKey="Jonas, Ulrich" uniqKey="Jonas U">Ulrich Jonas</name></author><author><name sortKey="Mateescu, Anca" uniqKey="Mateescu A">Anca Mateescu</name></author><author><name sortKey="Knoll, Wolfgang" uniqKey="Knoll W">Wolfgang Knoll</name></author><author><name sortKey="Dostalek, Jakub" uniqKey="Dostalek J">Jakub Dostalek</name></author></titleStmt><publicationStmt><date when="2013">2013</date><idno type="doi">10.1021/jp400255u</idno><idno type="RBID">pubmed:23762499</idno><idno type="pmid">23762499</idno><idno type="wicri:Area/Main/Corpus">000581</idno><idno type="wicri:Area/Main/Curation">000581</idno><idno type="wicri:Area/Main/Exploration">000893</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The use of thermoresponsive poly(N-isopropylacrylamide)-based hydrogel (pNIPAAm) for rapid tuning of surface plasmon resonance (SPR) is reported. This approach is implemented by using an SPR layer architecture with an embedded indium tin oxide microheater and pNIPAAm film on its top. It takes advantage of rapid thermally induced swelling and collapse of pNIPAAm that is accompanied by large refractive index changes and leads to high thermo-optical coefficient of dn/dT = 2 × 10(-2) RIU/K. We show that this material is excellently suited for efficient control of refractive index-sensitive SPR and that it can serve simultaneously as a 3D binding matrix in biosensor applications (if modified with biomolecular recognition elements for a specific capture of target analyte). We demonstrate that this approach enables modulating of the output signal in surface plasmon-enhanced fluorescence spectroscopy biosensors and holds potential for simple time-multiplexing of sensing channels for parallelized readout of fluorescence assays.</div></front></TEI><pubmed><MedlineCitation Status="Publisher" Owner="NLM"><PMID Version="1">23762499</PMID><DateCreated><Year>2013</Year><Month>6</Month><Day>13</Day></DateCreated><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1932-7447</ISSN><JournalIssue CitedMedium="Print"><Volume>117</Volume><Issue>22</Issue><PubDate><Year>2013</Year><Month>Jun</Month><Day>6</Day></PubDate></JournalIssue><Title>The journal of physical chemistry. C, Nanomaterials and interfaces</Title><ISOAbbreviation>J Phys Chem C Nanomater Interfaces</ISOAbbreviation></Journal><ArticleTitle>Active Control of SPR by Thermoresponsive Hydrogels for Biosensor Applications.</ArticleTitle><Pagination><MedlinePgn>11705-11712</MedlinePgn></Pagination><Abstract><AbstractText>The use of thermoresponsive poly(N-isopropylacrylamide)-based hydrogel (pNIPAAm) for rapid tuning of surface plasmon resonance (SPR) is reported. This approach is implemented by using an SPR layer architecture with an embedded indium tin oxide microheater and pNIPAAm film on its top. It takes advantage of rapid thermally induced swelling and collapse of pNIPAAm that is accompanied by large refractive index changes and leads to high thermo-optical coefficient of dn/dT = 2 × 10(-2) RIU/K. We show that this material is excellently suited for efficient control of refractive index-sensitive SPR and that it can serve simultaneously as a 3D binding matrix in biosensor applications (if modified with biomolecular recognition elements for a specific capture of target analyte). We demonstrate that this approach enables modulating of the output signal in surface plasmon-enhanced fluorescence spectroscopy biosensors and holds potential for simple time-multiplexing of sensing channels for parallelized readout of fluorescence assays.</AbstractText></Abstract><AuthorList><Author><LastName>Toma</LastName><ForeName>Mana</ForeName><Initials>M</Initials><Affiliation>AIT-Austrian Institute of Technology , BioSensor Technologies, Muthgasse 11/2, 1190 Vienna, Austria.</Affiliation></Author><Author><LastName>Jonas</LastName><ForeName>Ulrich</ForeName><Initials>U</Initials></Author><Author><LastName>Mateescu</LastName><ForeName>Anca</ForeName><Initials>A</Initials></Author><Author><LastName>Knoll</LastName><ForeName>Wolfgang</ForeName><Initials>W</Initials></Author><Author><LastName>Dostalek</LastName><ForeName>Jakub</ForeName><Initials>J</Initials></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType>JOURNAL ARTICLE</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>5</Month><Day>06</Day></ArticleDate></Article><MedlineJournalInfo><MedlineTA>J Phys Chem C Nanomater Interfaces</MedlineTA><NlmUniqueID>101299949</NlmUniqueID><ISSNLinking>1932-7447</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>1</Month><Day>09</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>4</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="epublish"><Year>2013</Year><Month>5</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>6</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>6</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>6</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1021/jp400255u</ArticleId><ArticleId IdType="pubmed">23762499</ArticleId><ArticleId IdType="pmc">PMC3677233</ArticleId></ArticleIdList><pmc-dir>pmcsd</pmc-dir>
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