Progress of AFM single-cell and single-molecule morphology imaging

查看全文 作　　者：LI [1,2]Mi;LIU [1]LianQing;XI [1,3]Ning;WANG [1]YueChao;DONG [1]ZaiLi;XIAO [4]XiuBin;ZHANG [4]WeiJing

机构地区：[1]State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences;[2]University of Chinese Academy of Sciences;[3]Department of Mechanical and Biomedical Engineering, City University of Hong Kong;[4]Department of Lymphoma, Affiliated Hospital of Military Medical Academy of Sciences

出　　处：《Chinese Science Bulletin》索引2013年第58卷第26期,共6页

基　　金：supported by the National Natural Science Foundation of China (61175103);CAS FEA International Partnership Program for Creative Research Teams 摘　　要：Atomic force microscopy (AFM) can probe single living cells and single native membrane proteins in natural fluid environments with label-free high spatial resolution. It has thus become an important tool for cellular and molecular biology that significantly complements traditional biochemical and biophysical techniques such as optical and electron microscopy and X-ray crystallog-raphy. Imaging surface topography is the primary application of AFM in the life sciences. Since the early 1990s, researchers have used AFM to investigate morphological features of living cells and native membrane proteins with impressive results. Steady improvements in AFM techniques for imaging soft biological samples have greatly expanded its applications. Based on the authors' own research in AFM imaging of living cell morphologies, a review of sample preparation procedures for single-cell and single-molecule imaging experiments is presented, along with a summary of recent progress in AFM imaging of living cells and native membrane proteins. Finally, the challenges of AFM high-resolution imaging at the single-cell and single-molecule levels are discussed. 关键词：原子力显微镜成像实验分子形态单个活细胞生物物理技术高空间分辨率高分辨率成像生物样品

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Progress of AFM single-cell and single-molecule morphology imaging

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