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1.
Molecules ; 18(2): 1811-8, 2013 Jan 30.
Article in English | MEDLINE | ID: mdl-23364752

ABSTRACT

The total antioxidant activity (TAA) of human serum blood of patients suffering from alcoholism was tested by cathode voltammetry with a model process of oxygen electroreduction. A known spectrophotometrical method was used for comparison. As results the total antioxidant activity of serum blood of patients with alcoholism was estimated by voltammetry during therapy in hospital. It was shown the TAA of serum blood of patients in pathology before and after treatment is lower than that one of healthy people. However, during the process of 10 days of alcoholism treatment the TAA coefficient increases. The relationship between the coefficient of total antioxidant activity of human serum blood and the stage of treatment was detected.


Subject(s)
Alcoholism/blood , Alcoholism/pathology , Antioxidants/metabolism , Serum/metabolism , Adult , Centrifugation , Electrochemical Techniques , Humans , Kinetics , Male , Middle Aged , Young Adult
2.
Int J Mol Sci ; 12(1): 401-10, 2011 Jan 14.
Article in English | MEDLINE | ID: mdl-21339994

ABSTRACT

The human body is constantly under attack from free radicals that occur as part of normal cell metabolism, and by exposure to environmental factors such as UV light, cigarette smoke, environmental pollutants and gamma radiation. The resulting "Reactive Oxygen Species" (ROS) circulate freely in the body with access to all organs and tissues, which can have serious repercussions throughout the body. The body possesses a number of mechanisms both to control the production of ROS and to cope with free radicals in order to limit or repair damage to tissues. Overproduction of ROS or insufficient defense mechanisms leads to a dangerous disbalance in the organism. Thereby several pathomechanisms implicated in over 100 human diseases, e.g., cardiovascular disease, cancer, diabetes mellitus, physiological disease, aging, etc., can be induced. Thus, a detailed investigation on the quantity of oxygen radicals, such as hydroxyl radicals (OH(•)) in human serum blood, and its possible correlation with antioxidant therapy effects, is highly topical. The subject of this study was the influence of schizophrenia on the amount of OH(•) in human serum blood. The radicals were detected by fluorimetry, using terephthalic acid as a chemical trap. For all experiments the serum blood of healthy people was used as a control group.


Subject(s)
Hydroxyl Radical/chemistry , Schizophrenia/metabolism , Adult , Fluorometry , Humans , Male , Phthalic Acids/metabolism , Reactive Oxygen Species/metabolism , Young Adult
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