초록 ▼

A microorganism identification test container comprises a tray member provided with a plurality of integrally formed open wells. A number of the wells are microorganism identification test wells having biochemical test media which in hydrated form permits growth of microorganisms with the generation

A microorganism identification test container comprises a tray member provided with a plurality of integrally formed open wells. A number of the wells are microorganism identification test wells having biochemical test media which in hydrated form permits growth of microorganisms with the generation of a volatile color-forming compound. Another number of wells are negative control wells corresponding to each of the test wells provided and including an inhibitor which in aqueous solution prevents color formation in the negative control wells from the volatile color-forming compound generated in the test wells. The wells are preferably disposed in a number of generally parallel rows or lines wherein one line or row contains a series of biochemical test media and an adjacent line or row contains the corresponding negative control medium for each test. Biochemical test media used in the identification of microorganisms either contain an indicator or generate an indicator upon inoculation with microorganism, that responds to specific microorganism activity with a detectable change in color. Comparison between the negative control wells and the test wells, after inoculation and incubation of the microorganism, indicates the presence of a particular microorganism. Since many of the biochemical test media employ indicators that produce only subtle visually detectable changes in response to microorganism activity, the appearance of the negative control must remain essentially unchanged or subtle changes in the biochemical test wells will be difficult to perceive.

대표청구항 ▼

A device for use in the identification of microorganisms, comprising a unitary tray member having a plurality of integrally formed test wells, at least some of said wells serving as identification test wells for microorganisms and containing biochemical test media which in hydrated form permits grow

A device for use in the identification of microorganisms, comprising a unitary tray member having a plurality of integrally formed test wells, at least some of said wells serving as identification test wells for microorganisms and containing biochemical test media which in hydrated form permits growth of said microorganisms with the generation of a volatile color-forming compound, and corresponding negative control wells in close proximity to each of said test wells, said negative control wells containing negative control media including an inhibitor which in aqueous solution prevents color formation otherwise occuring therein from said volatile color forming compound, and wherein both said biochemical test media prior to inoculation with said microorganisms and said negative control media have the same color in hydrated form.