Chemistry: molecular biology and microbiology – Apparatus – Including condition or time responsive control means
Patent
1995-09-28
1997-06-10
Beisner, William H.
Chemistry: molecular biology and microbiology
Apparatus
Including condition or time responsive control means
4352873, 4352879, 4352883, 4352887, 4352881, C12M 134, C12M 116
Patent
active
056375018
ABSTRACT:
A method of automatically testing the sensitivity of a paraffinophilic microorganism to different antimicrobial agents and concentrations thereof includes a plurality of receptacles each containing an amount of liquid medium, an antimicrobial agent to be tested and the microorganism to be tested. A paraffin containing slide is placed in each receptacle after which incubation is effected. A light scatter sensor is employed to automatically and sequentially monitor the extent of microorganism growth on the slides and the growth on each slide is employed to determine which antimicrobial agent and which concentration is effective to resist growth of the paraffinophilic microorganism. The slides are moved sequentially in operative relationship with the light scatter sensor while resisting rotational movement of the slides. Positive and negative control slides are preferably employed as is a computer in receiving and processing the results of the slide testing. Related apparatus is disclosed.
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Felder Mitchell S.
Ollar Robert-A.
Beisner William H.
Infectech Inc.
Radack David V.
Silverman Arnold B.
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