期刊
TRENDS IN FOOD SCIENCE & TECHNOLOGY
卷 87, 期 -, 页码 35-46出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tifs.2018.02.005
关键词
Atomic force microscopy (AFM); Polysaccharide; Nanostructure; Morphology; Conformation
资金
- National Key Research and Development Program of China [2017YFD0400203]
- National Natural Science Foundation of China for Excellent Young Scholars [31422042]
- Outstanding Science and Technology Innovation Team Project in Jiangxi Province [20165BCB19001]
- Project of Academic Leaders of the Major Disciplines in Jiangxi Province [20162BCB22008]
- Collaborative Project in Agriculture and Food Field between China and Canada [2017ZJGH0102001]
Background: Polysaccharides are one of the major group of bioactive macromolecular derived from plants, bacteria, fungi and seaweeds. Atomic force microscopy (AFM), a type of scanning probe microscopy, is a powerful technology to visualize biopolymers, such as polysaccharides and proteins, up to a single molecular level in near-native conditions. Scope and approach: This review gives a brief description of AFM technology involved in polysaccharide research in addition to discussion of factors that might influence polysaccharide imaging. More importantly, its contribution to research progress of a variety of well characterized polysaccharides, including pectin, xanthan, carrageenan, curdlan, scleroglucan, xyloglucan, arabinoxylan, starch, etc., and the detailed nanostructure information was summarized. Key findings and conclusions: AFM provides a unique insight into polysaccharide studies in terms of morphological features and molecular characteristics, such as heights (diameters), width, contour length, end-to-end distance, polydispersity, etc. Besides, other promising aspects included probing molecular motion and assemblies, as well as visualizing conformation behavior under different conditions.
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