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Open Access Publications from the University of California

Ion Liquid Chromatography On-a-Chip for Multiple Ion Sensing


We have developed an integrated ion liquid chromatography chip, which is integrated with column, frits/filters, injector and conductivity detector. On-chip separation and detection of anions in water (~25ppm) have been successfully demonstrated. The detection limit is estimated to be 1ppm for the common anions. A much-improved 2nd-genaration chip is currently being developed to do better injection, separation, and detection. A palm-sized wireless LC system based on the LC chip is also actively being developed.

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