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This paper reports an electrophoresis-based microfluidic ion nutrient sensor for the detection of anions in soil solution samples. The sensor is able to analyze the concentration of various anions in extracted soil solutions with high sensitivity as well as high specificity, while it is an approach requiring no labels. The electrophoretic microchip integrates a pair of in-plane conductivity detection...
We report on the development of an enhanced and robust microfluidic plant chip-based growth and monitoring system for high-throughput phenotyping of Arabidopsis thaliana. The system consists of multiple vertical plant chips, a microfluidic hormone concentration gradient generator, multiple simple gravity pumps, and a robotic arm with a stereoscope for plant imaging. We validate this system by phenotyping...
This paper reports a simple and effective method for generating a stable temperature gradient on a microfluidic plant chip. A thermo-electric cooling (TEC) plate is horizontally placed below an inclined microfluidic plant chip. The space between the TEC and the plant chip is filled with polydimethylsiloxane (PDMS). Due to different lengths of thermal pathways from the TEC to the plant chip, a stable...
This paper reports on an electrophoresis based microfluidic ion nutrient sensor for the detection of anions in soil solution samples. The device offers the capability to analyze concentration of various ions in extracted soil samples in a rapid and sensitive way. The polydimethylsiloxane-glass electrophoretic microchip features microfluidics for sample and buffer solution manipulation and in-plane...
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