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dc.contributor.authorGarland, PB
dc.contributor.authorSerafinowski, PJ
dc.date.accessioned2018-09-17T15:11:51Z
dc.date.issued2002-10-01
dc.identifier19
dc.identifier.citationNUCLEIC ACIDS RESEARCH, 2002, 30
dc.identifier.issn0305-1048
dc.identifier.urihttps://repository.icr.ac.uk/handle/internal/2715
dc.identifier.doi10.1093/nar/gnf098
dc.description.abstractFabrication of high density oligonucleotide arrays using metal on glass photolithographic masks is inflexible and expensive. Maskless methods using computer-controlled projection have been proposed and implemented, but associated stray light effects on photodirected oligonucleotide synthesis and their analysis have not been reported. We have developed a theoretical approach: it predicts that the stray light content of the output of digital micromirror devices and other spatial light modulators of similar performance (contrast ratio similar to400) will cause extensive random base insertions. For example, use of a digital micromirror device for synthesis of a 20mer array will result in the majority of oligonucleotide chains being 21mers or 22mers. This chain lengthening effect of stray light would not be preventable when synthesis involves a directly photosensitive 5’-blocking group. If the 5’-blocking group is acid labile and released with photogenerated acid, the presence of low concentrations of weak base will prevent the effect of stray light. We have demonstrated experimentally the anticipated chain lengthening effect of stray light on photoacid-dependent synthesis of oligonucleotides and prevention of the effect by low concentrations of n-octylamine. The application of these findings should facilitate the development of maskless fabrication and availability of high density and high fidelity user-designed arrays for research applications.
dc.languageeng
dc.language.isoeng
dc.relation.replacesinternal/2697
dc.relation.replaceshttps://repository.icr.ac.uk/handle/internal/2697
dc.titleEffects of stray light on the fidelity of photodirected oligonucleotide array synthesis
dc.typeJournal Article
rioxxterms.versionofrecord10.1093/nar/gnf098
rioxxterms.licenseref.startdate2002-10-01
rioxxterms.typeJournal Article/Review
dc.relation.isPartOfNUCLEIC ACIDS RESEARCH
pubs.merge-frominternal/2697
pubs.merge-fromhttps://repository.icr.ac.uk/handle/internal/2697
pubs.notesarticle-number: e99 unique-id: ISI:000178558500004
pubs.notesNot known
pubs.organisational-group/ICR
pubs.organisational-group/ICR
pubs.volume30
pubs.embargo.termsNot known
dc.contributor.icrauthorGarland, Peteren
dc.contributor.icrauthorSerafinowski, Pawelen


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