The Relationship Between PM2.5 and the Action Spectrum of Ultraviolet Radiation for Vitamin D Production Based on a Manikin Model

IEEE Access

卷:8

Yan Liu¹  Zhenzhen Zou²  Dan Yang²  Menglin Li²  Yang Liu²  Yan Deng²  Tianyao Yang²  Hui Hua²  Rentong Chen²  Fangfang Ma²  Liting Huang²  Xin Li²  Nan Wang²  Jiaming Yu³ 

[1] Department of Biomedical Engineering, School of Fundamental Sciences, China Medical University, Shenyang, China;

[2] Department of Environmental Health, School of Public Health, China Medical University, Shenyang, China;

[3] Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Shenyang, China;

关键词: PM₂₅;    ultraviolet radiation;    manikin model;    inclination angle;    Vitamin D;   

DOI  :  10.1109/ACCESS.2020.2971734

来源: DOAJ

【 摘 要 】

Objectives: Fine particulate matter (PM_2.5) is the principal air pollutant and poses a serious threat to public health. This study explored the effects of PM_2.5 on the action spectrum of ultraviolet radiation for vitamin D production (UV_vitD) received by manikin surfaces. Methods: Multi-inclination angle ultraviolet radiation monitoring was conducted with different concentrations of PM_2.5. Combining monitoring data with the PM_2.5 concentration, solar elevation angle (SEA), and inclination angle, a UV_vitD exposure model for human body multi-inclined surfaces was constructed through a multiple linear regression analysis. A 3D manikin model was used to examine the PM_2.5 effects on UV_vitD received by the manikin surface. Results: When PM_2.5 concentrations ranged from 35 μg/m³ to 100 μg/m³ (average concentration of PM_2.5 in this range: 62 μg/m³), the UV_vitD received by the whole body was reduced by approximately 8.45% to 19.82% compared with the UV_vitD received when PM_2.5 concentrations ranged from 6 μg/m³ to 35 μg/m³ (average concentration of PM_2.5 in this range: 17 μg/m³) with SEAs between 30° and 50°. Moreover, the UV_vitD dose was reduced by 11.82% in the above comparisons. When further comparing PM_2.5 concentrations from 100 μg/m³ to 161 μg/m³ (average concentration of PM_2.5 in this range: 132 μg/m³) with those from 6 μg/m³ to 35 μg/m³ (average concentration of PM_2.5 in this range: 17 μg/m³), the UV_vitD received by the whole body was reduced by approximately 21.6% to 50.64% at SEAs between 30° and 50°. The UVvitD dose was reduced by 30.2%. Conclusions: The occurrence of PM_2.5 obviously reduced the UV_vitD received by the manikin surface.

【 授权许可】

Unknown