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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Testing antioxidant properties of selected acetylcholinesterase inhibitors
 Kucková, Jana ; Vopršalová, Marie (advisor) ; Herink, Josef (referee)
Charles University Faculty of Pharmacy in Hradec Králové Department of Pharmacology & Toxicology Student: Jana Kucková Supervisor: PharmDr. Marie Vopršalová, CSc. Title of diploma thesis: Testing antioxidant properties of selected acetylcholinesterase inhibitors Very widespread Alzheimer's disease is typical by a complex pathology. Its causality is not clearly understood. There is increasing discussion due to the negative impact of free radicals on this disease formation. There are testing new substances that have also antioxidant properties, in addition to their classical effects. The aim of this diploma thesis is spectrophotometric testing of antioxidant properties of selected acetylcholinesterase inhibitors. It is based on DPPH test where the presence of antioxidants with antiradical activity causes the reduction of the color stable 2,2-diphenyl-1- picrylhydrazyl (DPPH) radical to a colorless molecule. The principle of the method is the measurement of decrease in absorbance (decolorization) of selected substances that are directly proportional to the antioxidant (antiradical) efficacy of the analyzed inhibitors. It focuses on twelve samples, Phenothiazine, which is the leader structure of new inhibitors synthesis, and two standards. Antioxidant activity is expressed as the effective...
Detailed record
Testing antioxidant properties of selected acetylcholinesterase inhibitors
 Kucková, Jana ; Vopršalová, Marie (advisor) ; Herink, Josef (referee)
Charles University Faculty of Pharmacy in Hradec Králové Department of Pharmacology & Toxicology Student: Jana Kucková Supervisor: PharmDr. Marie Vopršalová, CSc. Title of diploma thesis: Testing antioxidant properties of selected acetylcholinesterase inhibitors Very widespread Alzheimer's disease is typical by a complex pathology. Its causality is not clearly understood. There is increasing discussion due to the negative impact of free radicals on this disease formation. There are testing new substances that have also antioxidant properties, in addition to their classical effects. The aim of this diploma thesis is spectrophotometric testing of antioxidant properties of selected acetylcholinesterase inhibitors. It is based on DPPH test where the presence of antioxidants with antiradical activity causes the reduction of the color stable 2,2-diphenyl-1- picrylhydrazyl (DPPH) radical to a colorless molecule. The principle of the method is the measurement of decrease in absorbance (decolorization) of selected substances that are directly proportional to the antioxidant (antiradical) efficacy of the analyzed inhibitors. It focuses on twelve samples, Phenothiazine, which is the leader structure of new inhibitors synthesis, and two standards. Antioxidant activity is expressed as the effective...
Detailed record

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