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3-(3,5-Dibromo-4-hydroxyphenyl)propanoic acid

Supplier: Apollo Scientific

Description: 3-(3,5-Dibromo-4-hydroxyphenyl)propanoic acid

Bromophenol blue sodium salt in ACS Reagent grade water 90% (dye content), Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Description: Bromophenol blue has been used in the sample buffer prepared for western blotting. A tracking dye for nucleic acid or protein electrophoresis in agarose or polyacrylamide gels.

Methyl-3-[3,5-di(tert-butyl)-4-hydroxyphenyl]propanoate 97%

Supplier: Apollo Scientific

Description: Methyl-3-[3,5-di(tert-butyl)-4-hydroxyphenyl]propanoate 97%

Tetrabromophenol blue, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Description: Tetrabromophenol Blue (TBPB) belongs to the group of sulfonephthalein acid-base indicators. It is employed in the potentiometric titration of the halogens with Hg₂(NO₃)₂. In addition, it has been used as a dye indicator in urine dipstick test to detect proteinuria. In this assay, with increasing concentration of urinary protein, TBPB sequentially changes colour from pale green to blue. Binding of TBPB to proteins is dependent on pH.