Microorganism culture-transfer device

Details Microorganism culture-transfer device Microorganism culture-transfer device

1985-01-14

1987-08-18

Cohan, Alan

Chemistry: molecular biology and microbiology

Apparatus

Bioreactor

128759, 422100, C12M 126

Patent

active

046877460

ABSTRACT:
Microorganism culture transfer devices are described of the type comprising a manually-grippable handle having a culture contacting tip for contacting a culture and streaking same a plurality of times over a culture plate in order to dilute the culture for purposes of isolating individual colonies. The handle is of a configuration in cross-section defining at least three, preferably four or more, discrete rotational positions when held and rotated by the user's fingers about the longitudinal axis of the handle; and the culture-contacting tip is of a configuration such as to provide a different and distinct surface for contact with the culture in each of the discrete rotational positions of the handle.

REFERENCES:
patent: 3077780 (1963-02-01), Takatsy
patent: 3173462 (1965-03-01), Koeppel
patent: 3191813 (1905-06-01), Duff
patent: 3252331 (1966-05-01), Lancaster
patent: 3485236 (1969-12-01), Frost
patent: 4010077 (1977-03-01), Pardos

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