Yi-Chih Hsia

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Recently, researchers have shown an increased interest in the investigations of drug stability and degradation pathway. Baertschi (2006) and Alsante et al., (2007) described an overall strategy for the prediction, identification and control of stability-related issues in active pharmaceutical ingredients (APIs) and drug products using stress testing. Forced(More)
Technetium-99m ethyl cysteinate dimer (Tc-99m-ECD) is an essential imaging agent used in evaluating the regional cerebral blood flow in patients with cerebrovascular diseases. Determination of active pharmaceutical ingredient, that is, L-Cysteine, N, N'-1,2-ethanediylbis-, diethyl ester, dihydrochloride (ECD) in ECD Kit is a relevant requirement for the(More)
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