作者
Martin M Thuo, Ramses V Martinez, Wen-Jie Lan, Xinyu Liu, Jabulani Barber, Manza BJ Atkinson, Dineth Bandarage, Jean-Francis Bloch, George M Whitesides
发表日期
2014/7/22
期刊
Chemistry of Materials
卷号
26
期号
14
页码范围
4230-4237
出版商
American Chemical Society
简介
This article describes the use of embossing and “cut-and-stack” methods of assembly, to generate microfluidic devices from omniphobic paper and demonstrates that fluid flowing through these devices behaves similarly to fluid in an open-channel microfluidic device. The porosity of the paper to gases allows processes not possible in devices made using PDMS or other nonporous materials. Droplet generators and phase separators, for example, could be made by embossing “T”-shaped channels on paper. Vertical stacking of embossed or cut layers of omniphobic paper generated three-dimensional systems of microchannels. The gas permeability of the paper allowed fluid in the microchannel to contact and exchange with environmental or directed gases. An aqueous stream of water containing a pH indicator, as one demonstration, changed color upon exposure to air containing HCl or NH3 gases.
学术搜索中的文章
MM Thuo, RV Martinez, WJ Lan, X Liu, J Barber… - Chemistry of Materials, 2014