{"title":"不同的尖端-表面结构通过单个DNA分子的电传输","authors":"Jun Qian, S. Liao, M. Stroscio, M. Dutta, Song Xu","doi":"10.1109/IWCE.2009.5091111","DOIUrl":null,"url":null,"abstract":"In this paper, gold-DNA-gold nanoparticle (GNP) complexes were studied by scanning tunneling microscopy (STM). I-V characteristics were collected from distinct positions of gold nanoparticle clusters and qualitatively explained by a tip- surface configuration model. Double-stranded DNA (dsDNA) of poly(dT)-poly(dA) was found to be slightly n-type semiconductor by theoretical simulation of the S-shaped I-V curves employing the Landauer formalism.","PeriodicalId":443119,"journal":{"name":"2009 13th International Workshop on Computational Electronics","volume":"273 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Electrical Transport through Single DNA Molecules by Distinct Tip-Surface Configurations\",\"authors\":\"Jun Qian, S. Liao, M. Stroscio, M. Dutta, Song Xu\",\"doi\":\"10.1109/IWCE.2009.5091111\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, gold-DNA-gold nanoparticle (GNP) complexes were studied by scanning tunneling microscopy (STM). I-V characteristics were collected from distinct positions of gold nanoparticle clusters and qualitatively explained by a tip- surface configuration model. Double-stranded DNA (dsDNA) of poly(dT)-poly(dA) was found to be slightly n-type semiconductor by theoretical simulation of the S-shaped I-V curves employing the Landauer formalism.\",\"PeriodicalId\":443119,\"journal\":{\"name\":\"2009 13th International Workshop on Computational Electronics\",\"volume\":\"273 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-05-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 13th International Workshop on Computational Electronics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IWCE.2009.5091111\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 13th International Workshop on Computational Electronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWCE.2009.5091111","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
摘要
本文利用扫描隧道显微镜(STM)研究了金- dna -金纳米颗粒(GNP)配合物。从金纳米颗粒簇的不同位置收集I-V特征，并通过尖端表面配置模型定性解释。采用Landauer形式对poly(dT)-poly(dA)的s型I-V曲线进行理论模拟，发现双链DNA (dsDNA)是微n型半导体。
Electrical Transport through Single DNA Molecules by Distinct Tip-Surface Configurations
In this paper, gold-DNA-gold nanoparticle (GNP) complexes were studied by scanning tunneling microscopy (STM). I-V characteristics were collected from distinct positions of gold nanoparticle clusters and qualitatively explained by a tip- surface configuration model. Double-stranded DNA (dsDNA) of poly(dT)-poly(dA) was found to be slightly n-type semiconductor by theoretical simulation of the S-shaped I-V curves employing the Landauer formalism.
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