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1.
Article in Chinese | WPRIM | ID: wpr-875946

ABSTRACT

Objective To determine the level of radiation dose in port workplace for loading and unloading natural uranium ore containers, and to provide a basis for occupational health management of the operators. Methods Workplace investigation was conducted to understand the loading and unloading process of natural uranium ore containers, operation time and frequency, etc. A radiation dose rate meter was used to detect the radiation dose rate at 5 cm from the outer surface of 168 natural uranium ore containers. At the same time, we selected one container and detected the level of dose rate at 5-200 cm away from each side surface of the 5 container surfaces except for the bottom side. Results The dose rate level at 5 cm at outer surface of 168 containers ranged from 27 μSv/h to 44 μSv/h, and the average dose rate level was 35.6 μSv/h. The average dose rate levels at 5, 30, 50, 100 and 200 cm were 21.3, 14.6, 11.3, 7.1 and 3.5 μSv/h, respectively. In normal operation, the personal exposure dose of port worker were estimated to be less than 580 μSv/a. Conclusion In normal operation, the dose rate level at any workplace on the outer surface of natural uranium ore container is far below the national standard limit.

2.
Article in Chinese | WPRIM | ID: wpr-294089

ABSTRACT

Glycosides are important active components in traditional Chinese medicine (TCM). Their pharmacological activity, pharmacokinetic characteristics and in vivo existence become hotspots of current studies. The metabolic pathways of these glycosides are de-glycosylation mainly mediated by gut microbiota. After glycosides were metabolized into aglycones, they could be absorbed more easily and show better pharmacological effects. In this article, we reviewed the main glycosidase in gut microbiota which helps metabolize TCM glycosides, relevant bacterial strains which generate glycosidase, as well as the de-glycosylated metabolic pathways of the representative glycosides, on the basis of gut microbiota's important roles in in vivo metabolism and efficacy of TCM glycosides. We also preliminarily solved problems in studies on de-glycosylation of TCM glycosides.


Subject(s)
Animals , Bacteria , Metabolism , Drugs, Chinese Herbal , Chemistry , Metabolism , Gastrointestinal Tract , Metabolism , Microbiology , Glycosides , Chemistry , Metabolism , Glycosylation , Humans , Metagenome
3.
Article in English | WPRIM | ID: wpr-344975

ABSTRACT

<p><b>OBJECTIVE</b>To observe the clinical effect of Qingzhen Decoction (QZD) on measles.</p><p><b>METHODS</b>Adopting the randomizing digital table, 62 patients with measles were assigned to two groups, 32 in the treated group and 30 in the control group. All patients were treated with routine therapy, but QZD was given to the treated group additionally for 5 days. Changes of clinical symptoms, blood routine and liver function before and after treatment were observed, and the medical cost was calculated.</p><p><b>RESULTS</b>After the 5-day treatment, the normalization rate of irritative cough in the treated and the control group was 88.9% (24/27) and 56.0% (14/25) respectively, that of conjunctival congestion was 90.0% (27/30) and 65.5% (19/29) respectively, showing significant differences between groups (P<0.05). The liver function normalization rate in the two groups was 28.6% (2/7) and 25.0% (2/8), and the average medical cost yen 740.7 and yen 749.3, respectively. The total effective rate in the two groups was 96.9% and 93.3% respectively, showing insignificant difference between groups (P>0.05).</p><p><b>CONCLUSION</b>QZD could actively improve the respiratory symptoms like irritative cough and the inflammatory symptoms of eye like conjunctival congestion in patients with measles.</p>


Subject(s)
Adolescent , Adult , Antiviral Agents , Therapeutic Uses , Child , Drugs, Chinese Herbal , Therapeutic Uses , Female , Hospitalization , Humans , Length of Stay , Liver Function Tests , Male , Measles , Drug Therapy , Middle Aged , Treatment Outcome
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