Diphenylterazine,344940-63-2

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Diphenylterazine

CAS No. : 344940-63-2

MCE 国际站：Diphenylterazine

产品活性：Diphenylterazine (DTZ) 是一种生物发光剂。Diphenylterazine 本身仅产生很少的背景，导致极好的信噪比。

研究领域：Others

作用靶点：Fluorescent Dye

In Vitro: Diphenylterazine elicits minimal cell toxicity at millimolar concentrations.
Diphenylterazine (DTZ) has high quantum yield, red-shifted emission, favorable in vivo pharmacokinetics and lacks cofactors required for light emission. Yeh AH (2023) used Diphenylterazine (DTZ) as the target substrate of luciferase, and the multinuclear transport factor NTF2-like superfamily as the target topology, to de novo design a small and stable protein scaffold to make the size and shape of the pocket suitable for Diphenylterazine. This method screens out designed luciferases with high selectivity and overcomes the limitations of natural proteins. The catalytic efficiency of the de novo designed luciferase for Diphenylterazine (kcat/Km = 10⁶/M/s) is comparable to that of natural luciferase, but the substrate specificity is higher.

Notes: To make a stock solution for DTZ (Diphenylterazine), first, a premixture is prepared by dissolving 17.6 mg of L-ascorbic acid (HY-B0166) in 10 mL ethanol and 10 mL 1,2-propanediol; next, 1 mg of DTZ is dissolved in 88 μL of the premix, resulting in a 30 mM DTZ stock solution containing 5 mM L-ascorbic acid.

In Vivo: Diphenylterazine injections into untransfected BALB/c mice do not yield any background emission. The bioluminescence resulting from intraperitoneally injected Diphenylterazine displays extended kinetics.
DTZ (0.3 μmol/mouse (1.13 mg.ml^-1/100 ul/mouse); i.v.) treatment can track tumor growth in a xenograft NU/J mouse model.

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