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Chromium (III) enhanced the sensitivities of diamine silver staining of four proteins between 6- and 50-fold over that of the Coomassie Brilliant Blue (CBB)-chromium modified thiosulfate-silver staining method (Zhou et al. Biotechnology Letters, 2002, 24: 1561–1567). Using six dsDNA fragments, the detection limits of this new method was 10 to 30 pg per band, being 10- to 25-fold more sensitive than...
Potassium chromium sulfate, a new sensitivity enhancer for silver staining of proteins in gels, enhanced the sensitivity of the thiosulfate-silver staining method. The sensitivity could be further improved when potassium chromium sulfate was used in association with another sensitivity enhancer, Coomassie Brilliant Blue R-250 (CBB R-250). The sensitivity of the CBB-chromium modified method to strongly...
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