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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48147

Title: A High Performance Impedance-based Platform for Evaporation Rate Detection
Authors: Wei-Lung Chou
Pee-Yew Lee
Cheng-You Chen
Yu-Hsin Lin
Yung-Sheng Lin
Contributors: 國立臺灣海洋大學:光電與材料科技學系
Date: 2016-10
Issue Date: 2018-08-14T03:52:12Z
Publisher: J. Vis. Exp.
Abstract: Abstract: This paper describes the method of a novel impedance-based platform for the detection of the evaporation rate. The model compound hyaluronic acid was employed here for demonstration purposes. Multiple evaporation tests on the model compound as a humectant with various concentrations in solutions were conducted for comparison purposes. A conventional weight loss approach is known as the most straightforward, but time-consuming, measurement technique for evaporation rate detection. Yet, a clear disadvantage is that a large volume of sample is required and multiple sample tests cannot be conducted at the same time. For the first time in literature, an electrical impedance sensing chip is successfully applied to a real-time evaporation investigation in a time sharing, continuous and automatic manner. Moreover, as little as 0.5 ml of test samples is required in this impedance-based apparatus, and a large impedance variation is demonstrated among various dilute solutions. The proposed high-sensitivity and fast-response impedance sensing system is found to outperform a conventional weight loss approach in terms of evaporation rate detection.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48147
Appears in Collections:[光電科學研究所] 期刊論文

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