Delyana Yonkova Panova

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A 10-year survey of immune status of nuclear power plant (NPP) workers was assessed by cellular and humoral immune parameters. The cumulative doses of NPP workers were in the range of 0.06 to 766.36 mSv. The results did not show significant deviations in the studied parameters of cellular and humoral immunity, but a tendency of elevated values in CD3+4+(More)
A severe radiation accident occurred on Tuesday, 14 June 2011 in an industrial irradiation facility. Five people were exposed for 5-10 min to (60)Co source (137 TBq-3710 Ci). This accident was the first one in Bulgaria, in which the whole-body irradiation doses exceeded 1 Gy and suggested the development of acute radiation syndrome (ARS). This report(More)
The purpose of this article is to analyze the results of a 10-year survey of the radiation effects of some immune parameters of occupationally exposed personnel from the Nuclear Power Plant "Kozloduy", Bulgaria. 438 persons working in NPP with cumulative doses between 0.06 mSv and 766.36mSv and a control group with 65 persons were studied. Flow cytometry(More)
Three new cases of Hb 0 Arab in two families are reported from districts of Bulgaria, where a carrier state of this abnormal hemoglobin has not been established so far. One of the propositi is a double heterozygote for Hb 0 Ar/beta(0)-thalassemia. His father is a simple heterozygote for Hb 0 Ar with clear-cut cytomorphological stigmata, indicating(More)
A densitometric t.l.c. method of quantitative determination of ruscogenin was elaborated. After separation with the aid of t.l.c., the colourless ruscogenin spots were located with the aid of a p-dimethyl-aminobenzaldehyde solution and were submitted to densitometry. It was found that under the selected conditions a linear dependence exists between the(More)
A severe radiation accident occurred on 14 June 2011 in an industrial irradiation facility for medical equipment sterilization in Bulgaria. Five people were exposed for 5-10 min to a 60Co source containing 137 TBq. The Emergency Department of the National Centre of Radiobiology and Radiation Protection (NCRRP), Bulgaria, put into practice the plans for(More)