Mehdi Zeinoddini
Biotechnology Research Center, Maleke Ashtar University, Tehran, Iran
[ 1 ] - Directed Improvement of i-Photina Bioluminescence Properties, an Efficient Calcium-Regulated Photoprotein
Photoproteins are excellent reporter systems because they don’t have virtually background signal. Aequorin is the most well-known photoprotein. Three improved engineered photoproteins photina, i-photina and c-photina, were also recently developed and optimized for generation of Ca2+ mobilization assays precisely. The total light emission is greater than aequorin and their reacti...
[ 2 ] - Effect of vanillin and its acid and alcohol derivatives on the diphenolase activity of mushroom tyrosinase
For the first time in the present study the effects of vanillin, vanillyl alcohol, vanillic acid, as well as the newly synthesized vanillin derivative, bis-vanillin, were investigated on the oxidation of dopamine hydrochloride by mushroom tyrosinase. Among them, vanillin and bis-vanillin act as activators, while vanillyl alcohol and vanillic acid exhibited inhibitory effects, the IC50 values be...
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