CAS OpenIR  > 中科院上海原子核所2003年前
Scanning probe microscopy (STM/AFM) and applications in biology
Li, MQ(李民乾)
AbstractIn this paper, single-molecular imaging and manipulating are presented. By using STM, topographic features of single molecules including DNA and DNA-protein complex can be visualized with subnanometer resolution in air and in liquid. In this way, a new DNA;conformation, called parallel-stranded DNA, has been revealed. Conformation changes of DNA enzyme during the DNA reproduction procedure and loop structures of DNA in the process of some eukaryotic gene regulation have also been found. With a modified "molecular-combing'' technique and direct AFM imaging, DNA molecules can be aligned and then imaged on the surface of an APS mica film. The new approach could be used to improve present gene physical mapping.
Indexed BySCI
Funding Project应物所项目组
WOS IDWOS:000078350100020
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Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
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GB/T 7714
Li, MQ. Scanning probe microscopy (STM/AFM) and applications in biology[J]. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,1999,68(2):255.
APA Li, MQ.(1999).Scanning probe microscopy (STM/AFM) and applications in biology.APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,68(2),255.
MLA Li, MQ."Scanning probe microscopy (STM/AFM) and applications in biology".APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING 68.2(1999):255.
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