Patent ID: 9714939
Date: 2017-07-25
CPC Classifications: A61K,C12Q,G01N

Claim:
1. A 3,3′,5,5′-tetramethylbezidine (TMB) 20-fold concentrate solution, said concentrate solution comprising 0.1 ml Glycerol, 0.1 g PEG2000, 0.1 ml DMSO, 0.013 g TMB, 0.02 g β-cyclodextrin (BCD), 0.0024 g EDTA, 0.02 g Citric Acid, 0.0022% H 2 O 2 , 0.05 ml Isopropanol, 0.01 g Fumaric acid, and 0.7 ml deionized water; wherein the final volume of the concentrate solution is 1 ml and the concentrate solution has a pH of about 3.6.