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Triplet-Sensitized Photodeprotection of Oligonucleotides in Solution and on Microarray Chips

Triplet-Sensitized Photodeprotection of Oligonucleotides in Solution and on Microarray Chips

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WÖLL, Dominik Florian, Stefan WALBERT, Klaus-Peter STENGELE, Tom J. ALBERT, Todd RICHMOND, Jason NORTON, Michael SINGER, Roland D. GREEN, Wolfgang PFLEIDERER, Ulrich STEINER, 2004. Triplet-Sensitized Photodeprotection of Oligonucleotides in Solution and on Microarray Chips. In: Helvetica chimica acta. 87(1), pp. 28-45. ISSN 0018-019X. eISSN 1522-2675

@article{Woll2004Tripl-9800, title={Triplet-Sensitized Photodeprotection of Oligonucleotides in Solution and on Microarray Chips}, year={2004}, number={1}, volume={87}, issn={0018-019X}, journal={Helvetica chimica acta}, pages={28--45}, author={Wöll, Dominik Florian and Walbert, Stefan and Stengele, Klaus-Peter and Albert, Tom J. and Richmond, Todd and Norton, Jason and Singer, Michael and Green, Roland D. and Pfleiderer, Wolfgang and Steiner, Ulrich} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/9800"> <dc:rights>deposit-license</dc:rights> <dc:contributor>Stengele, Klaus-Peter</dc:contributor> <dcterms:title>Triplet-Sensitized Photodeprotection of Oligonucleotides in Solution and on Microarray Chips</dcterms:title> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T18:14:29Z</dcterms:available> <dc:language>eng</dc:language> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/9800"/> <dc:creator>Steiner, Ulrich</dc:creator> <dc:creator>Pfleiderer, Wolfgang</dc:creator> <dc:contributor>Pfleiderer, Wolfgang</dc:contributor> <dc:contributor>Richmond, Todd</dc:contributor> <dc:creator>Richmond, Todd</dc:creator> <dc:contributor>Walbert, Stefan</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T18:14:29Z</dc:date> <dc:contributor>Singer, Michael</dc:contributor> <dc:contributor>Norton, Jason</dc:contributor> <dc:contributor>Wöll, Dominik Florian</dc:contributor> <dc:creator>Singer, Michael</dc:creator> <dcterms:issued>2004</dcterms:issued> <dc:creator>Wöll, Dominik Florian</dc:creator> <dc:creator>Stengele, Klaus-Peter</dc:creator> <dc:format>application/pdf</dc:format> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dcterms:abstract xml:lang="eng">Conditions and kinetics of triplet sensitization as a method for increasing the light sensitivity of photolabile protecting groups used for the photolithographic synthesis of oligonucleotide microarrays were quantitatively studied with the photolabile 2-(2-nitrophenyl)propyl protecting group in homogeneous solutions and on glass substrates by using laser flash photolysis, continuous illumination with HPLC analysis, fluorescence dye labelling, and hybridization. In terms of efficiency and avoidance of chemical side reactions, 9H-thioxanthen-9-one was the most-suitable sensitizer. Both in solution and on a glass substrate, the photostationary kinetics were quantitatively modelled and the relevant kinetic parameters determined. While the sensitization kinetics was diffusion-controlled both in solution and on the chip, the photostationary kinetics was essentially of zero order only on the chip because here the triplet-quenching effect of the released photoproduct 2-(2-nitrophenyl)propene was suppressed as a consequence of the inhomogeneous reaction that took place in a narrow diffusion zone above the surface from where the photoproducts could quickly escape. The kinetic simulation allowed quantitative estimate of the density of reactive groups on the surface. It was further demonstrated that, with 9H-thioxanthen-9-one as a sensitizer, high-density oligonucleotide microarrays of high quality can be produced with one-third of the normal exposure time.</dcterms:abstract> <dc:contributor>Albert, Tom J.</dc:contributor> <dc:contributor>Green, Roland D.</dc:contributor> <dc:creator>Norton, Jason</dc:creator> <dc:contributor>Steiner, Ulrich</dc:contributor> <dc:creator>Green, Roland D.</dc:creator> <dcterms:bibliographicCitation>First publ. in: Helvetica chimica acta ; 87 (2004), 1. - pp. 28-45</dcterms:bibliographicCitation> <dc:creator>Albert, Tom J.</dc:creator> <dc:creator>Walbert, Stefan</dc:creator> </rdf:Description> </rdf:RDF>

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