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由DNA包裹的碳纳米管介导的光诱导电荷转移

Ming Zheng1, Vsevolod V Rostovtsev

  • 1DuPont Central Research and Development, Wilmington, Delaware 19880, USA. ming.zheng@usa.dupont.com

Journal of the American Chemical Society
|June 15, 2006
PubMed
概括

碳纳米管在溶液中催化光化学反应. 暴露在光线下将银离子转化为纳米粒子,并与DNA-碳纳米管复合体相结合时氧化水.

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Chromatin Packaging01:32

Chromatin Packaging

Each human somatic cell contains 6 billion base pairs of DNA. Each base pair is 0.34 nm long, meaning each diploid cell contains a staggering 2 meters of DNA. This long DNA strand is packed inside a nucleus measuring only 10-20 microns in diameter with the help of specialized DNA-binding proteins called histones. Together they form a compact DNA-protein complex called chromatin. The chromatin is further compacted into higher-order structures. The highest level of compaction is achieved during...