New technologies in scanning probe microscopy for studying molecular interactions in cells

New technologies in scanning probe microscopy for studying molecular interactions in cells
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用于研究细胞内分子相互作用的扫描探针显微镜新技术

DOI:
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发表时间:
2000
影响因子:
6.2
通讯作者:
Michael A. Horton
Michael A. Horton
中科院分区:
医学2区
文献类型:
--
作者:
P. Lehenkari;Guillaume Charras;Stephen A. Nesbitt;Michael A. Horton

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原子力显微镜(AFM)是扫描探针显微镜的一种特殊形式,由Binnig及其同事于1986年发明。从那时起,AFM越来越多地用于研究生物医学问题。由于其高分辨率,原子力显微镜已被用于检查表面的地形或形状,例如在蛋白质的分子成像期间。这一点,结合在已知的力机制下操作的能力,使得AFM技术特别适用于测量分子间的键合力和评估生物材料的机械性能。许多以前限制AFM在细胞生物学中使用的限制(例如复杂的仪器,缓慢的采集速度和较差的垂直范围)现在开始得到解决。技术的进步将使原子力显微镜挑战共焦激光扫描显微镜和扫描电子显微镜作为一种方法进行三维成像。它作为一个精确的微操作器和测量工具的使用可能会导致许多新的和令人兴奋的应用在未来。在这篇文章中,我们已经审查了一些目前的AFM生物学应用,并说明这些应用程序使用的骨细胞生物学和整合素介导的粘附的研究。
Atomic force microscopy (AFM) is a specialised form of scanning probe microscopy, which was invented by Binnig and colleagues in 1986. Since then, AFM has been increasingly used to study biomedical problems. Because of its high resolution, AFM has been used to examine the topography or shape of surfaces, such as during the molecular imaging of proteins. This, combined with the ability to operate under known force regimes, makes AFM technology particularly useful for measuring intermolecular bond forces and assessing the mechanical properties of biological materials. Many of the constraints (e.g. complex instrumentation, slow acquisition speeds and poor vertical range) that previously limited the use of AFM in cell biology are now beginning to be resolved. Technological advances will enable AFM to challenge both confocal laser scanning microscopy and scanning electron microscopy as a method for carrying out three-dimensional imaging. Its use as both a precise micro-manipulator and a measurement tool will probably result in many novel and exciting applications in the future. In this article, we have reviewed some of the current biological applications of AFM, and illustrated these applications using studies of the cell biology of bone and integrin-mediated adhesion.
DOI: 10.1016/s0021-9258(18)37650-6
发表时间: 1988-09
期刊: The Journal of biological chemistry
影响因子: --
作者:
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通讯作者: J. Gailit;Erkki I. Ruoslahti
钙作为整合素介导的细胞粘附的潜在生理调节剂。
DOI: --
发表时间: 1991
期刊: The Journal of biological chemistry
影响因子: --
作者:
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DOI: 10.1152/ajpcell.1995.269.1.c286
发表时间: 1995-07-01
影响因子: 5.5
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发表时间: 1995-04-01
影响因子: 4.8
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DOI: 10.1021/bi9624402
发表时间: 1997-01-21
期刊: BIOCHEMISTRY
影响因子: 2.9
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