Lab-on-a-chip using acoustic streaming for mixing and pumping fluids

V. Cardoso, S. Catarino, S. Lanceros‐Méndez, G. Minas
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引用次数: 2

Abstract

The research team is focused on lab-on-a-chip devices for clinical applications, with on-chip integration of electronic circuits, optical filters and (bio)sensors. An example of the work is a lab-on-a-chip where acoustic streaming technique is used to promote the mixing and the pumping of the fluids inside microchannels. The transducer that generates the acoustic streaming is based on a piezoelectric polymer, processed to be functionally graded for, in conjunction with the signal applied to the transducers, being able to control the movement and heating of the fluids. A highly selective optical interference filter co-integrated in CMOS allows the use of only a white light source when spectrophotometry is used as the detection technique, resulting in an actually portable device.
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芯片实验室利用声学流来混合和泵送流体
该研究团队专注于临床应用的芯片实验室设备,芯片上集成了电子电路、光学滤波器和(生物)传感器。这项工作的一个例子是芯片实验室,其中声学流技术用于促进微通道内流体的混合和泵送。产生声流的换能器是基于压电聚合物的,经过处理并进行功能分级,与施加到换能器上的信号相结合,能够控制流体的运动和加热。当分光光度法作为检测技术时,高选择性光学干涉滤光片协集成在CMOS中,允许仅使用白光光源,从而产生实际便携式设备。
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