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Medicine
使用DESI-MSI鉴定中药空间代谢组中代谢物的可视化
使用DESI-MSI鉴定中药空间代谢组中代谢物的可视化
JoVE Journal
Medicine
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JoVE Journal Medicine
Visualization of Metabolites Identified in the Spatial Metabolome of Traditional Chinese Medicine Using DESI-MSI

使用DESI-MSI鉴定中药空间代谢组中代谢物的可视化

Full Text
2,406 Views
08:02 min
December 16, 2022

DOI: 10.3791/64912-v

Binjie Xu1,4, Lirun Chen3, Fengqi Lv3, Yuan Pan1, Xing Fu1, Zhaoqing Pei1,2

1Innovative Institute of Chinese Medicine and Pharmacy,Chengdu University of Traditional Chinese Medicine, 2Tianfu Chinese Medicine Innovation Harbour,Chengdu University of Traditional Chinese Medicine, 3School of Medical Technology,Chengdu University of Traditional Chinese Medicine, 4China Resources Sanjiu (Ya’an) Pharmaceutical Co., Ltd.

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Please note that some of the translations on this page are AI generated. Click here for the English version.

本研究提出了一系列从工厂制备DESI-MSI样品的方法,并详细描述了DESI组件安装、MSI数据采集和处理的过程。该协议可以应用于获取植物空间代谢组信息的几种条件。

本文主要介绍了一种使用DESI-MSI制备植物样品和成像的经济高效的方法,可以克服干燥组织在氮气吹入时容易断裂的缺点。根在低温恒温器切片机上冷冻切片,而叶子是通过印记制备的,这需要昂贵的机器或失去信号强度。我们的方法可以克服这些限制。

该方法可用于植物的空间代谢组学,例如非生物和生物胁迫下植物中有毒物质的分布和运动。首先,从一株两年生的丹参植物中取出干净的根和叶,直接以大约三到五毫米的横截面厚度切片。然后,使用双面胶带将样品粘附在粘附显微镜载玻片上。

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