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Abstract Name: Nanomaterial-Based Microchip Environmental Assays

Environmental Applications/Implications:
“Lab-on-Chip” technologies can dramatically change the speed and scale at which environmental analyses are performed. We introduced new and innovative nanomaterial-based strategies for enhancing the performance of microchip devices for environmental assays. These developments indicate that nanomaterials and microchip devices hold a great promise for environmental monitoring of priority pollutants. The resulting microfluidic device will enable transporting the entire laboratory to the sample source, and will offer significant advantages in terms of speed, cost, efficiency, sample/reagent consumption, and automation.

Publications/Presentations:
Wang J, Chen G, Chatrathi MP, Musameh M. Capillary electrophoresis microchip with a carbon-nanotube electrochemical detector. Analytical Chemistry 2004;76(2):298-302.

Chen G, Wang J. Fast and simple sample introduction for capillary electrophoresis microsystems. Analyst 2004;129(6):507-511.

Wang J, Chen G, Wang M, Chatrathi MP. Carbon nanotube/copper composite electrodes for capillary electrophoresis microchip detection of carbohydrates. Analyst 2004;129(6):512.

Wang J, Chen G, Muck A, Chatrathi M, Mulchandani A, Chen W. Microchip enzymatic assay of organophosphate nerve agents. Analytica Chimica Acta 2004;505(1):183.

Lawrence N, Deo R, Wang J. Electrochemical determination of hydrogen sulfide at carbon nanotube modified electrodes. Analytica Chimica Acta 2004;517(1-2):131.

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