Showing papers on "Brilliant green published in 1999"
TL;DR: In this article, a number of soil and water samples were collected from the vicinity of effluent treatment plant of a textile and dyeing industry and several organisms were screened for their ability to decolorize triphenylmethane group of dyes.
259 citations
TL;DR: In this article, a new method for the indirect determination of trace chromium(VI) on the basis of Resonance Rayleigh scattering (RRS) has been advanced, which has very high sensitivity and the detection limits for Cr(VI), are 0.065-5.6
76 citations
TL;DR: In this paper, the femtosecond ground state recovery dynamics of the triphenylmethane dyes brilliant green (BG) and malachite green (MG) were studied by pump-probe spectroscopy at the center wavelength of 635 nm with a time resolution of 33 fs.
35 citations
TL;DR: Maruyama et al. as discussed by the authors measured transient differential absorption (ΔOD) spectra of two classes of triphenylmethane (TPM) dyes: symmetric (ethyl violet and parafuchsin) and asymmetric (malachite green and brilliant green) using femtosecond spectral hole-burning technique.
Abstract: We previously confirmed the existence of two ground-state isomers of crystal violet (CV) in alcohol (Maruyama, Y.; Ishikawa, M.; Satozono, H. J. Am. Chem. Soc. 1996, 118, 6257). These isomers are called “solvation isomers” because they are differentiated by the solvation of alcohol. Here, to investigate if solvation isomers are possible in triphenylmethane (TPM) dyes other than CV, we measured transient differential absorption (ΔOD) spectra of two classes of TPM dyes: symmetric (ethyl violet and parafuchsin) and asymmetric (malachite green and brilliant green) using a femtosecond spectral hole-burning technique. The symmetric TPM dyes that we studied (including CV) showed two spectral holes in the early part of photobleaching, whereas the asymmetric dyes showed three spectral holes. The ΔOD spectra of all of the TPM dyes depended on the pump wavelength. This dependence is the key experimental observation that confirms the existence of ground-state isomers, and thus the asymmetric TPM dyes have three grou...
19 citations