Browsing Health Sciences by Author "Perold, Zak"
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The discriminatory ability of analytical quality control test methods : a comparison of test results from different international monographs of quinine sulfate tablets
Britz, Chantal (2013)Malaria is a parasitic disease claiming one million lives worldwide annually. Unfortunately, malaria-endemic countries in need of good quality medicines are also overwhelmed with counterfeit or substandard medicine. This ... -
The polymorphic and pseudopolymorphic behaviour of gatifloxacin crystal modifications
Perold, Zak (North-West University, 2006)Objective: Gatifloxacin is a broad-spectrum fluoroquinolone antibacterial agent that exhibits polymorphism. There was however little information available regarding the pbysico-chemical properties of the different forms. ... -
Quality and safety implications of efavirenz and pyrimethamine crystal modifications
Perold, Zak (2014)This study focused on two active pharmaceutical ingredients (APIs) that are used to treat two of the most notorious diseases in Africa, i.e. human immunodeficiency virus/acquired immune deficiency syndrome (HIV/AIDS) and ...