Ultra High Throughput Microarray Generation and Liquid Dispensing Using Multiple Disposable Piezoelectric Ejectors

Huangpin B. Hsieh ; John Fitch ; Dave White ; Frank Torres ; Joy Roy ; Robert Matusiak ; Bob Krivacic ; Bob Kowalski ; Richard Bruce ; Scott Elrod. Ultra High Throughput Microarray Generation and Liquid Dispensing Using Multiple Disposable Piezoelectric Ejectors. Journal of Biomolecular Screening. March 2004, Volume 9, Number 2, pg 85-94

"The authors have constructed an array of 12 piezoelectric ejectors for printing biological materials. A single-ejector footprint is 8 mm in diameter, standing 4 mm high with 2 reservoirs totaling 76 µL. These ejectors have been tested by dispensing various fluids in several environmental conditions. Reliable drop ejection can be expected in both humidity-controlled and ambient environments over extended periods of time and in hot and cold room temperatures. In a prototype system, 12 ejectors are arranged in a rack, together with an X - Y stage, to allow printing any pattern desired."

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Journal of Biomolecular Screening