Helium Ion Microscopy of Corn Starch,Starch

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Helium Ion Microscopy of Corn Starch
Starch ( IF 2.6 ) Pub Date : 2020-03-04 , DOI: 10.1002/star.201900267
David Wulff _{1,

2} , Marc G. Aucoin _{1,

2} , Frank Gu _{1,

2,

3}

Affiliation

Normal corn starch granules are imaged using a helium ion microscope (HIM). This relatively new imaging technique produces high‐resolution images of both the interior and exterior of the granules that allow features to be observed which had previously not been seen with scanning electron microscope. Of particular interest is the mesh‐like structure which is observed in the interior when starch granules are sectioned with a metal blade, a structure not currently part of existing models of starch architecture. HIM imaging provides a new way to characterize starch in the ongoing quest to elucidate its internal structure.

中文翻译：

玉米淀粉的氦离子显微镜

正常的玉米淀粉颗粒使用氦离子显微镜（HIM）进行成像。这项相对较新的成像技术可生成颗粒内部和外部的高分辨率图像，从而可以观察到以前在扫描电子显微镜中看不到的特征。特别令人感兴趣的是当用金属刀片将淀粉颗粒切成薄片时在内部观察到的网状结构，这种结构目前不是现有淀粉结构模型的一部分。HIM成像为阐明淀粉的内部结构提供了一种表征淀粉的新方法。

更新日期：2020-03-04

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