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为了解地方性砷中毒地区及人群的硒水平状况 ,检测了病区人群头发、尿和血液等生物样品中的硒含量。结果地方性砷中毒地区及人群的硒检出浓度高于硒适宜地区 ,血硒的检出浓度 (0 .1 30 8±0 .0 31 3mg/L)低于非患者 (0 .1 92 4± 0 .1 30 4 mg/L) ,尿硒的检出浓度则患者 (1 .6690± 1 .2 761 μg/1 0 0 ml)高于非患者 (1 .0 86± 0 .61 95μg/1 0 0 ml) ,发硒的检出浓度则二者无显著性差异。说明在砷负荷状态下 ,“适量的硒”并不能阻断地方性砷中毒的发生和发展 ;地方性砷中毒患者有促进硒排泄的功能 ,这点还需进一步研究和探讨。
In order to understand the status of selenium in endemic arsenic poisoning area and population, the content of selenium in biological samples such as hair, urine and blood of ward was detected. Results The selenium concentrations in endemic arsenism areas and in the population were higher than those in the selenium areas. The detected selenium concentrations in the serous areas were lower than those of the non-patients (0.1192 ± 0.3031mg / L) ± 0.31 30 4 mg / L), and the detected concentration of urinary selenium was 1.6690 ± 1.276 μg / 100 ml higher than that of non-patient (1.86 ± 0.61 95 μg / 1 0 0 ml), the detection of selenium concentration was no significant difference between the two. It shows that “proper amount of selenium” does not block the occurrence and development of endemic arsenism in the condition of arsenic load. The endemic arsenism patients have the function of promoting selenium excretion, which needs further study and discussion.