NDLI: Xurography for microfluidics on a reactive solid

Content Provider	Royal Society of Chemistry (RSC)
Author	Renaud, Louis Hiorth, Aksel Minde, Mona Wetrhus Dysthe, Dag Kristian Jettestuen, Espen Luu, Thi Thuy Vinningland, Jan Ludvig Neuville, Amélie
Copyright Year	2017
Abstract	In this paper, we propose a simple method to embed transparent reactive materials in a microfluidic cell, and to observe in situ the dissolution of the material. As an example, we show how to obtain the dissolution rate of a calcite window of optical quality, dissolved in water and hydrochloric acid (HCl). These fluids circulate at controlled flowrates in a channel which is obtained by xurography: double sided tape is cut out with a cutter plotter and placed between the calcite window and a non-reactive support. While the calcite window reacts in contact with the acid, its topography is measured in situ every 10 s using an interference microscope, with a pixel resolution of 4.9 μm and a vertical resolution of 50 nm. In order to avoid inlet influence on the reaction, a thin layer of photoresist is added on the calcite surface at the inlet and outlet. This layer is also used as a non reactive reference surface.
Starting Page	293
Ending Page	303
Page Count	11
File Format	HTM / HTML PDF
ISSN	14730197
Volume Number	17
Issue Number	2
Journal	Lab on a Chip
DOI	10.1039/c6lc01253a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Hydrochloric acid Microscope Milling cutter Micrometre Calcite Pixel Photoresist
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Biochemistry Bioengineering Biomedical Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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