University of Twente Student Theses


On-line monitoring of microreactor products using an optofluidic microchip

Meijer, E.M. (2015) On-line monitoring of microreactor products using an optofluidic microchip.

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Abstract:Absorbance based measurements for the detection in microfluidic channels using an optical chip with embedded waveguides shows promise for use as a monitoring tool coupled on-line to an electrochemical cell. An experimental setup was build and tested for on-line monitoring of chemical reactions taking place in a microreactor chip using the optical sensing chip. With the chip measurements were performed alternating a flow of water and ruthenium tris-bipyridine, a chemical compound with a strong molar extinction coefficient. As a result of the signal instability quantitative analysis of the data could not be performed. Though a qualitative examination shows the system is capable of detecting different concentrations in the microfluidic channel. In order to implement the optical chip in the electrochemical setup, further research is needed.
Item Type:Essay (Bachelor)
Faculty:TNW: Science and Technology
Subject:51 materials science
Programme:Advanced Technology BSc (50002)
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