Chemistry: molecular biology and microbiology – Apparatus – Including measuring or testing
Patent
1998-06-19
2000-07-25
Beisner, William H.
Chemistry: molecular biology and microbiology
Apparatus
Including measuring or testing
4352881, 4352887, 435 29, 435 32, 435 33, 119204, 119224, 424 91, C12M 134, A01K 6100
Patent
active
060935669
ABSTRACT:
A method and apparatus for evaluating the effects of toxic substances in the environment on aquatic organisms is disclosed. The apparatus allows for exposure of test organisms, placed in test chambers made of partially submerged sieves, to water that is pumped from an urban creek at preset time intervals. The invention also allows for maintenance of cool temperatures in the exposure chambers, both for the treatment (i.e., creek water) and the experimental control.
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