Apparatus for acoustic ejection of circumscribed volumes...

Chemistry: molecular biology and microbiology – Treatment of micro-organisms or enzymes with electrical or... – Concentration – separation – or purification of micro-organisms

Reexamination Certificate

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C435S029000, C435S173100, C435S286500

Reexamination Certificate

active

07439048

ABSTRACT:
This invention is directed to the use of focused energy, particularly focused acoustic energy, in the spatially directed ejection of circumscribed volumes of a fluid which differ in acoustic impedance from the surrounding fluid.

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