Electrochemical sensing in paper-based microfluidic devices.

Electrochemical sensing in paper-based microfluidic devices.
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DOI:
10.1039/b917150a
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发表时间:
2010-02-21
期刊:
影响因子:
6.1
通讯作者:
Whitesides GM
Whitesides GM
中科院分区:
工程技术1区
文献类型:
--
作者:
Nie Z;Nijhuis CA;Gong J;Chen X;Kumachev A;Martinez AW;Narovlyansky M;Whitesides GM

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本文介绍了微流控纸基电化学传感器件(我们称之为微流控纸基电化学器件,μ PED)的制备和性能。μ PED包括通过光刻或蜡印图案化的纸基微流体通道,以及由导电油墨丝网印刷的电极(例如,碳或Ag/AgCl)。我们证明了μ PED能够定量各种分析物的浓度(例如,重金属离子和葡萄糖)。这种低成本的分析设备应该在公共卫生,环境监测和发展中国家的应用是有用的。
This paper describes the fabrication and the performance of microfluidic paper-based electrochemical sensing devices (we call the microfluidic paper-based electrochemical devices, μPEDs). The μPEDs comprise paper-based microfluidic channels patterned by photolithography or wax printing, and electrodes screen-printed from conducting inks (e.g., carbon or Ag/AgCl). We demonstrated that the μPEDs are capable of quantifying the concentrations of various analytes (e.g., heavy-metal ions and glucose) in aqueous solutions. This low-cost analytical device should be useful for applications in public health, environmental monitoring, and the developing world.
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