Results 251 to 260 of about 32,501 (287)
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Journal of the American Academy of Dermatology, 2005
Many agents affect the transmission of ultraviolet light to human skin. These include naturally occurring photoprotective agents (ozone, pollutants, clouds, and fog), naturally occurring biologic agents (epidermal chromophores), physical photoprotective agents (clothing, hats, make-ups, sunglasses, and window glass), and ultraviolet light filters ...
Prisana, Kullavanijaya, Henry W, Lim
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Many agents affect the transmission of ultraviolet light to human skin. These include naturally occurring photoprotective agents (ozone, pollutants, clouds, and fog), naturally occurring biologic agents (epidermal chromophores), physical photoprotective agents (clothing, hats, make-ups, sunglasses, and window glass), and ultraviolet light filters ...
Prisana, Kullavanijaya, Henry W, Lim
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Seminars in Cutaneous Medicine and Surgery, 1999
Protection from solar ultraviolet radiation is discussed. Methods of protection include avoiding outdoor activities during times of greatest ultraviolet radiation insolation, seeking shade while outdoors, and wearing appropriate clothing. Sunscreens are reviewed, including newer compounds that may also offer photoprotection.
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Protection from solar ultraviolet radiation is discussed. Methods of protection include avoiding outdoor activities during times of greatest ultraviolet radiation insolation, seeking shade while outdoors, and wearing appropriate clothing. Sunscreens are reviewed, including newer compounds that may also offer photoprotection.
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Dermatologic Clinics, 1986
At present, three classes of compounds are used as systemic photoprotective agents, but only for specific indications, not for general use in healthy individuals. Beta-carotene prevents or lessens photosensitivity in most patients with erythropoietic protoporphyria and in some patients with other photosensitivity diseases.
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At present, three classes of compounds are used as systemic photoprotective agents, but only for specific indications, not for general use in healthy individuals. Beta-carotene prevents or lessens photosensitivity in most patients with erythropoietic protoporphyria and in some patients with other photosensitivity diseases.
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Photoprotection of phytochrome
Planta, 1988High-fluence-rate white light is shown to retard the degradation of phytochrome in etiolated seedlings of four different species: Amaranthus caudatus, Phaseolus radiatus (mung bean), Pisum sativum (garden pea), and Avena sativa (oat). In Amaranthus, a high photon fluence rate (approx.
H, Smith, G M, Jackson, G C, Whitelam
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Photodermatology, Photoimmunology & Photomedicine, 2006
Background: It is very common to apply a ‘template photoprotection’ without taking into consideration the background of a specific population. In Lebanon, so far, no preliminary survey has been conducted before launching an educational photoprotection campaign, revealing the need of the people according to their background.Materials and methods: In ...
Fouad, El Sayed +4 more
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Background: It is very common to apply a ‘template photoprotection’ without taking into consideration the background of a specific population. In Lebanon, so far, no preliminary survey has been conducted before launching an educational photoprotection campaign, revealing the need of the people according to their background.Materials and methods: In ...
Fouad, El Sayed +4 more
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Photodermatology, Photoimmunology & Photomedicine, 2007
The increasing use and importance of clothing for sun protection for children is now a key element in a range of protection strategies, where reducing ultraviolet radiation (UVR) exposures in early life is fundamental to skin cancer prevention programmes.
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The increasing use and importance of clothing for sun protection for children is now a key element in a range of protection strategies, where reducing ultraviolet radiation (UVR) exposures in early life is fundamental to skin cancer prevention programmes.
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American Journal of Clinical Dermatology, 2001
Ultraviolet (UV) radiation is an etiologic factor for the development of nonmelanoma skin cancers and also possibly melanoma. The American Academy of Dermatology currently recommends the daily use of sunscreens with a sun protection factor (SPF) of 15 or above. The SPF numerical rating is an in vivo, standardized measure of sunscreen efficacy.
L, Scherschun, H W, Lim
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Ultraviolet (UV) radiation is an etiologic factor for the development of nonmelanoma skin cancers and also possibly melanoma. The American Academy of Dermatology currently recommends the daily use of sunscreens with a sun protection factor (SPF) of 15 or above. The SPF numerical rating is an in vivo, standardized measure of sunscreen efficacy.
L, Scherschun, H W, Lim
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Nanosystems in Photoprotection
Journal of Nanoscience and Nanotechnology, 2015The ultraviolet (UV) radiation is responsible for stimulating acute responses in the human skin, those including positive responses like vitamin D synthesis along with negative ones such as erythema. The chronic effects of UV radiation include photoaging and cancer.
Cristal Dos Santos Cerqueira, Coutinho +2 more
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Current concepts. Photoprotection
Archives of Family Medicine, 1996Photoprotection encompasses all methods to prevent UV radiation (UVR) damage to the skin, including sunscreens, clothing, seeking shade, and duration and time of the day spent outdoors under UVR. As scientific research validates short- and long-term detrimental effects of UVR, physicians and the public must become increasingly aware of these problems ...
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Photoprotection in Adolescence
SKINmed: Dermatology for the Clinician, 2005Physical changes and the establishment of personal values are characteristics of adolescence. Despite being well informed regarding sun protection and the skin cancer risks related to sun exposure, teenagers usually make little use of sunscreens and remain out in the sun for long periods.
Cristiane, Benvenuto-Andrade +4 more
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