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Showing papers on "Brilliant green published in 1969"


Journal ArticleDOI
TL;DR: In 11 patients with eczema localized mainly on the legs, 11 cases of sensitization were observed to brilliant green and a simultaneous sensitivity to gentian violet—crystal violet—was found in eight and to malachite green in six patients.
Abstract: In 11 patients with eczema localized mainly on the legs, 11 cases of sensitization were observed to brilliant green. In these cases, a simultaneous sensitivity to gentian violet—crystal violet—was found in eight and to malachite green in six patients. Patch tests with various triphenylmethane (TPM) dyes have shown the possibility of crosssensitization between crystal violet (contained in gentian violet), brilliant green, and malachite green. The probable determinant groups of sensitization are —N(CH 3 ) 2 or —N(C 2 H 5 ) 2 in the para position of the benzene ring structure. Cross-re actions are limited only to substances with aminogroups substituted with at least two alkyls. The test reactions to TPM and pararosaniline were in all cases negative.

37 citations


Journal ArticleDOI
01 Jan 1969-Analyst
TL;DR: In this article, the spectrophotometric method of determining antimony with brilliant green has been re-examined in an investigation of a suspected variability of samples of Brilliant green.
Abstract: The spectrophotometric method of determining antimony with Brilliant green has been re-examined in an investigation of a suspected variability of samples of Brilliant green. The reaction conditions and times have been shown to be critical and a modified procedure, which gives a higher sensitivity and precision compared with previous procedures, has been developed. It is considered doubtful whether an entirely satisfactory method of determining antimony with Brilliant green can be developed.

12 citations


Journal ArticleDOI
01 Jan 1969-Analyst
TL;DR: Preipitation and recrystallisation of Brilliant green perchlorate yields a product that gives superior results to those obtained with the commercial dye.
Abstract: Some batches of Brilliant green give low and erratic results when used for the photometric determination of antimony. Precipitation and recrystallisation of Brilliant green perchlorate yields a product that gives superior results to those obtained with the commercial dye.

10 citations


Journal ArticleDOI
TL;DR: The presence of Brilliant Green in the motility media aided in the detection of Salmonella when mixed cultures were used and inhibited the growth of the non-Salmonella species through the semisolid agar.
Abstract: The effect of Brilliant Green on motility was studied with Salmonella anatum, S. derby, S. tennessee, Escherichia coli, Proteus vulgaris, and Pseudomonas aeruginosa. Semisolid tryptic soy-agars containing 0, 20, or 40 mg of Brilliant Green per liter were used as the motility media. Both concentrations of Brilliant Green inhibited the growth of the non-Salmonella species through the semisolid agar. For 24 hr, the Brilliant Green appeared to limit the growth of the salmonellae; however, by 48 hr the salmonellae were able to grow through the semisolid agars. The presence of Brilliant Green in the motility media aided in the detection of Salmonella when mixed cultures were used.

2 citations