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Chemistry
在多孔介质中使用电子顺磁共振成像客体分子扩散的原位监测
在多孔介质中使用电子顺磁共振成像客体分子扩散的原位监测
JoVE Journal
Chemistry
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JoVE Journal Chemistry
In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging

在多孔介质中使用电子顺磁共振成像客体分子扩散的原位监测

Full Text
6,819 Views
06:34 min
September 2, 2016

DOI: 10.3791/54335-v

Martin Spitzbarth1, Tobias Lemke1, Malte Drescher1

1Department of Chemistry,Universität Konstanz

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

提出了一种使用电子顺磁共振 (EPR) 成像对客体分子在多孔介质中的扩散进行原位监测的方案。

该程序的总体目标是监测客体分子在 porus 宿主中的扩散。这种方法可以帮助回答物理化学中的关键问题,例如同时解开不同时间和长度的扩散。这种技术的主要优点是它捕获了整个扩散过程,并且额外的初始边界条件是通过实验确定的。

要开始此过程,请在直径为 10 厘米的培养皿中加入乙醇,最高可达 5 毫米。将气凝胶放入培养皿中,切下一块 5 毫米到 1 厘米长的圆柱形块。然后,切下一段比圆柱形气凝胶长约 1 厘米的热缩管。

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