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- W1990852017 abstract "An electrogenerated chemiluminescence (ECL) sensor for the determination of propranolol hydrochloride was fabricated by employing tris(2,2′-bipyridyl)ruthenium(II) (Ru(bpy)32+) as an ECL signal producer and graphene as a modified material. The ECL sensor was fabricated by adsorbing Ru(bpy)32+ onto a mixture of graphene and Nafion. The introduction of conductive graphene into Nafion was found to greatly enhance the ECL intensity of Ru(bpy)32+ and the ECL intensity of Ru(bpy)32+ decreased in the presence of propranolol hydrochloride. Based on this phenomenon, a sensitive and stable ECL method was developed for the determination of propranolol hydrochloride by employing a Ru(bpy)32+–graphene–Nafion modified electrode. Under the optimized conditions, the ECL intensity was linear with the concentration of propranolol hydrochloride over a range of 1.0 × 10−10 to 5.0 × 10−9 mol L−1 with a detection limit of 3 × 10−11 mol L−1. The ECL sensor exhibited long-term stability with a relative standard deviation of 4.1% for sixteen continuous determinations of 2.0 × 10−9 mol L−1propranolol hydrochloride. The developed method has been successfully applied to the determination of propranolol hydrochloride in pharmaceutical samples." @default.
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- W1990852017 date "2011-01-01" @default.
- W1990852017 modified "2023-10-17" @default.
- W1990852017 title "Electrogenerated chemiluminescence sensor for the determination of propranolol hydrochloride" @default.
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- W1990852017 doi "https://doi.org/10.1039/c0ay00591f" @default.
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