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[{"key": "dc.contributor.author", "value": "Paasonen, Seppo", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2012-02-17T10:09:34Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2012-02-17T10:09:34Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2011", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1194177", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/37398", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4ss\u00e4 tutkielmassa on tutkittu kahden erilaisen itsej\u00e4rjestyv\u00e4n DNA-rakenteen s\u00e4hk\u00f6njohtavuutta nanomittakaavassa. Ensimm\u00e4inen rakenteista on suorakaiteenmuotoinen kaksiulotteinen DNA-levy kooltaan noin 70\u00d7100 nm2 toisen ollessa selv\u00e4sti kapeampi, noin 10\u00d760 nm2. Suurin ero rakenteiden v\u00e4lill\u00e4 on valmistusmenetelm\u00e4: isompi rakenne on valmistettu origamitekniikalla ja pienempi niin sanottua tiilimenetelm\u00e4\u00e4 k\u00e4ytt\u00e4en.\n\nMolekyylielektroniikan kannalta DNA:n s\u00e4hk\u00f6njohtavuus on oleellinen asia, sill\u00e4 DNA on itsej\u00e4rjest\u00e4ytymisominaisuuksiensa vuoksi osoittautunut hyvin lupaavaksi molekyyliksi: yksinkertaisten nanoskaalan laitteiden valmistus k\u00e4ytt\u00e4en DNA-pohjaisia menetelmi\u00e4 on jo mahdollista.\n\nTy\u00f6ss\u00e4 tutkittavat rakenteet ajetaan dielektroforeesia k\u00e4ytt\u00e4en kahden kultaisen sormenp\u00e4\u00e4n kaltaisen nanoelektrodin v\u00e4liin, miss\u00e4 ne kiinnittyv\u00e4t paikalleen DNA-rakenteiden sis\u00e4lt\u00e4m\u00e4n tioliryhm\u00e4n ja elektrodien kullan v\u00e4lisell\u00e4 kovalenttisella sidoksella.\n\nTasavirtamittaukset matalassa ilmankosteudessa osoittavat, ett\u00e4 rakenteet ovat hyvi\u00e4 eristeit\u00e4, mutta vaihtovirtamittaukset korkeassa ilmankosteudessa paljastavat, ett\u00e4 adsorboituneilla vesimolekyyleill\u00e4 DNA:n ymp\u00e4rill\u00e4 on merkitt\u00e4v\u00e4 vaikutus havaittavaan johtavuuteen.", "language": null, "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Seppo Paasonen (sepaason) on 2012-02-17 10:09:29.570188. Form: Pro gradu -lomake (1 tekij\u00e4) (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake-1-tekijae). JyX data:", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija@noreply.fi) on 2012-02-17T10:09:33Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-201202171205.pdf: 41701482 bytes, checksum: 1086c8a87cf2a9c7fa03e17082fac8a8 (MD5)\nlicense.html: 5000 bytes, checksum: f05cb98fd94bcabf22a65333be7226e6 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2012-02-17T10:09:34Z (GMT). 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