Single-photon atomic force microscopy
Single-photon atomic force microscopy
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单光子原子力显微镜
DOI:
10.1007/s00216-009-3426-0
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发表时间:
2010-01
期刊:
影响因子:
--
通讯作者:
张军
中科院分区:
文献类型:
--
作者:
张军
In the last few years, an array of novel technologies, especially the big family of scanning probe microscopy, now often integrated with other powerful imaging tools such as laser confocal microscopy and total internal reflection fluorescence microscopy, have been widely applied in the investigation of biomolecular interactions and dynamics. But it is still a great challenge to directly monitor the dynamics of biomolecular interactions with high spatial and temporal resolution in living cells. An innovative method termed “single-photon atomic force microscopy” (SP-AFM), superior to existing techniques in tracing biomolecular interactions and dynamics in vivo, was proposed on the basis of the combination of atomic force microscopy with the technologies of carbon nanotubes and single-photon detection. As a unique tool, SP-AFM, capable of simultaneous topography imaging and molecular identification at the subnanometer level by synchronous acquisitions and analyses of the surface topography and fluorescent optical signals while scanning the sample, could play a very important role in exploring biomolecular interactions and dynamics in living cells or in a complicated biomolecular background.FigureThe figure schematically showed the process of simultaneous molecular imaging and identification with SP-AFM. (A) The three balls represented different proteins with endogenic or selectively labelled exogenous fluorophores on the surface of a biological sample such as membrane, etc. in a scanning area. While sample scanning, the SP-AFM could synchronously acquire the data of the surface topography (B) and fluorescent optical signals (C). By data processing, the SP-AFM was capable of simultaneous imaging and identification of the three molecules in one scanning (D).
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影响因子:
2.2
作者:
T. Yoshino;S. Sugiyama;S. Hagiwara;D. Fukushi;M. Shichiri;H. Nakao;Jongmin Kim;T. Hirose;H. Muramatsu;T. Ohtani
通讯作者:
T. Yoshino;S. Sugiyama;S. Hagiwara;D. Fukushi;M. Shichiri;H. Nakao;Jongmin Kim;T. Hirose;H. Muramatsu;T. Ohtani
影响因子:
3.4
作者:
BETZIG, E;LEWIS, A;KRATSCHMER, E
通讯作者:
KRATSCHMER, E
影响因子:
8.6
作者:
L. Peng;Z. Zhang;Z. Xue;Q. D. Wu;Z. Gu;D. Pettifor
通讯作者:
L. Peng;Z. Zhang;Z. Xue;Q. D. Wu;Z. Gu;D. Pettifor
DOI:
10.1073/pnas.050498597
发表时间:
2000-04-11
影响因子:
11.1
作者:
Cheung, CL;Hafner, JH;Lieber, CM
通讯作者:
Lieber, CM
影响因子:
3.3
作者:
Willinger, Marc-Georg;Neri, Giovanni;Pinna, Nicola
通讯作者:
Pinna, Nicola