نتایج جستجو برای: ultraviolet b

تعداد نتایج: 933118  

2010
V. Naval C. Smith V. Ryzhikov S. Naydenov

Wide-bandgap semiconductors such as zinc selenide (ZnSe) have become popular for ultraviolet (UV) photodetectors due to their broad UV spectral response. Schottky barrier detectors made of ZnSe in particular have been shown to have both low dark current and high responsivity. This paper presents the results of electrical and optical characterization of UV sensors based on ZnSe/Ni Schottky diode...

2007
Han-Sun Chiang Wen-Bin Wu Jia-You Fang Bing-Huei Chen Tsai-Hua Kao Ying-Ting Chen Chieh-Chen Huang Chi-Feng Hung

It has been shown by chromatography that aglycone, glucoside, acetylglucoside and malonylglucoside isoflavone extracts prepared from soybean cake showed better antioxidant activities than isoflavone standards. Consequently, the aim of this study was to evaluate the protective effects of these isoflavone extracts against ultraviolet B (UVB)induced keratinocyte damage. Our results demonstrated th...

2014
Yasuyo Sano Jin Mo Park

UVB is a component of solar radiation primarily responsible for causing damage and cancer in irradiated skin, and disrupting immune homeostasis. The immediate harm and long-term health risks of excessive sunlight exposure are affecting the lives of nearly all people worldwide. Inflammation is a key mechanism underlying UVB's various detrimental effects. Here we show that activation of the prote...

2017
Kumi Tominaga Nobuko Hongo Mayuko Fujishita Yu Takahashi Yuki Adachi

Astaxanthin is a carotenoid with potent antioxidant and anti-inflammatory activity. To evaluate the anti-inflammatory effect of astaxanthin on skin deterioration, we confirmed its role in epidermal-dermal interactions in vitro. Astaxanthin treatment suppressed ultraviolet B (UVB)-induced inflammatory cytokine secretion in keratinocytes, and matrix metalloproteinase-1 secretion by fibroblasts cu...

Journal: :Acta dermatovenerologica Croatica : ADC 2007
Franjo Gruber Vesna Peharda Marija Kastelan Ines Brajac

This overview highlights the risk of skin diseases arising in workers exposed to ultraviolet radiation (UVR) at their workplace. There is a plethora of skin manifestations in outdoor workers such as seamen, fishermen, farmers after acute intense or long-term exposure to solar UVR, but some cutaneous diseases may also develop in indoor workers exposed to artificial sources. In recent years, inve...

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