ADENOSINE TRIPHOSPHATASE ACTIVITY OF THE VENOUS WALL IN CAT

No abstrac

ALPHA-TOCOPHEROL STABILIZES ERYTHROCYTE MEMBRANE DURING THE EARLY STAGE AFTER THERMAL TRAUMA

Standard thermal trauma of 3rda - 3rdb degree, of 15-20 per cent of body surface was induced on white male Wistar rats narcotized with thiopental The changes of the concentration of thioharhituric acid (TBA)- reactive products, the activity of some antioxidant enzymes such as superoxide dismutase (SOD), glucose-6-phosphate dehydrogenase (G-6-PD), and catalase as well as the percentage of haemolysis were investigated during the early post-burn period (24, 48, and 72 hours after burning). It was demonstrated that erythrocyte haemolysis increased along with activation of lipid peroxidation (LPO) after thermic injury. Alpha-tocopherol treatment in a dose of 20 mg/kg body mass reduced the elevated levels of TBA-reactive products and enhanced erythrocytic antioxidant defence and resistance. It could be clarified that LPO activation played an important role in the haemolysis and that alpha-tocopherol stabilized erythrocyte membrane after burns

Effects of the Phenolic Antioxidant 2,5-di-tert-butyl-4-hydroxyanisole (DTBHA) on Gastric Mucosal Damage and Lipid Peroxidation Status in Cold/Restraint Stressed Rats

The present study aimed the evaluating the effect of the phenolic antioxidant DTBHA afaints gastric mucosal damage induced by cold/restraint stress in rats

MAGNESIUM IN PLASMA AND ERYTHROCYTES OF ELDERLY PATIENTS WITH DEPRESSIVE EPISODES

The present study covers a total of 13 elderly patients suffering from depressive episodes. They were treated in the Gerontopsychiatric Clinic of the Department of Psychiatry and Medical Psychology, Medical University of Varna. Magnesium levels in plasma and erythrocytes were estimated. In both compartments Magnesium was measured with atomic absorption "Perkin Elmer" spectrophotometer AAS-3030B. The results were compared with magnesium in age-matched healthy subjects. No significant changes of magnesium in plasma and erythrocytes of control persons and depressive elderly patients were found out

Magnetic-field induced multiferroicity in a quantum critical frustrated spin liquid

Dielectric spectroscopy is used to check for the onset of polar order in the quasi one-dimensional quantum spin system Sul-Cu2Cl4 when passing from the spin-liquid state into the ordered spiral phase in an external magnetic field. We find clear evidence for multiferroicity in this material and treat in detail its H-T phase diagram close to the quantum-critical regime.Comment: 5 pages, 4 figures. Revised according to suggestions of referee

ANGIOTENSIN-CONVERTING ENZYME IN PATIENTS WITH CHRONIC RENAL FAILURE ON HEMODIALYSIS

No abstrac

Electron spin resonance study of anisotropic interactions in a two-dimensional spin gap magnet PHCC

Fine details of the excitation spectrum of the two-dimensional spin-gap magnet PHCC are revealed by electron spin resonance investigations. The values of anisotropy parameters and the orientations of the anisotropy axes are determined by accurate measurements of the angular, frequency-field and temperature dependences of the resonance absorption. The properties of a spin-gap magnet in the vicinity of critical field are discussed in terms of sublevel splittings and g-factor anisotropy.Comment: submitted to PR

FREE RADICAL OXIDATION AND ERYTHROCYTE AGGREGATION AFTER THERMIC INJURY EFFECT OF ALPHATOCOPHEROL

No abstrac