Substrate for electrochemical alkaline phosphatase measurement
Sodium 4-aminophenol 1-(dihydrogen phosphate)
Store at -20°C. Store under desiccating conditions. The product can be stored for up to 12 months.
Soluble in water to 50 mM
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Pemberton RM et al. A comparison of 1-naphthyl phosphate and 4 aminophenyl phosphate as enzyme substrates for use with a screen-printed amperometric immunosensor for progesterone in cows' milk. Biosens Bioelectron14:495-503 (1999).
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Thompson RQ et al. Comparison of methods for following alkaline phosphatase catalysis: spectrophotometric versus amperometric detection. Anal Biochem192:90-5 (1991).
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