uvr

Mycosporine - like amino acids ( MAAs ) strongly absorb UVR and protect cells against harmful UVR.

類菌孢素氨基酸(mycosporine-like aminoacids,間稱MAAs ) 存在于許多生物體內,對紫外輻射 ( UVR) 有較高的吸收能力,被認為有保護細胞、減少UVR損傷的功能.

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Objective To investigate the protective effect of nicotinamide on UVR - induced DNA damage.

目的探討煙酰胺對紫外線照射誘發DNA損傷的保護作用.

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Thus, risk evaluation of cataract induced by UVR is an urgent need.

因此, 亟待開展紫外線與白內障的危險性評價.

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There was a 9.97 % ～67.1 % decrease in the population of LC after UVR.

表皮內LC密度降低,細胞數較照射前減少9.7%～67.01%.

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The density and structure of epidermal LC returned to normal 8 days after cessation of UVR.

停止照射后8天LC密度及結構基本復原.

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Conclusion nicotinamide is a perfect antagonist to UVR - induced DNA damage within fitting concentration.

結論適宜濃度的煙酰胺是抗紫外線照射誘發DNA損傷的拮 抗 劑.

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UVR and chemicals are two major regulating factors which affecting the melanin genesis or melanin transport.

雖然影響體內黑素合成及運輸的因素繁多,黑素合成機制也較為復雜,但紫外線和化學物質是影響和調控膚色的兩大主要因素.

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Objective To investigate the relationship between personal exposure of ultraviolet radiation and ambient solar UVR.

目的　了解個體紫外線暴露劑量與環境紫外線劑量的關系.

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