Results 61 to 70 of about 512 (149)
Revista de Saúde Pública, 2008 OBJETIVO: Analisar a prevalência e fatores de risco para queimadura solar em jovens com idade entre 10 e 29 anos. MÉTODOS: Estudo transversal de base populacional com amostragem em múltiplos estágios, realizado com residentes da zona urbana de Pelotas ...
Ricardo Lanzetta Haack +2 more
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A European multicentre photopatch test study [PDF]
, 2012 BACKGROUND: The two most common agent groups currently responsible for photoallergic contact dermatitis (PACD) are organic ultraviolet (UV) absorbers in sunscreens and topical nonsteroidal anti-inflammatory drugs (NSAIDs).
European Multicentre Photopatch Test Study (EMCPPTS) Taskforce +1 more
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Photoprotective potential in some medicinal plants used to treat skin diseases in Sri Lanka [PDF]
, 2016 BACKGROUND: The constant exposure to solar ultraviolet radiation (UV) has a variety of harmful effects on human health. Although synthetic sunscreen products have been introduced as a preventive/therapeutic strategy, with the realization of their adverse
Benthota Malavi Arachchige Shamila Malkanthi +4 more
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The involvement of xanthone and (E)-cinnamoyl chromophores for the design and synthesis of novel sunscreening agents [PDF]
, 2020 Excessive UV exposure contributes to several pathological conditions like skin burns, erythema, premature skin aging, photodermatoses, immunosuppression, and skin carcinogenesis.
Gunia-Krzyżak, Agnieszka +10 more
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Clinical, Cosmetic and Investigational Dermatology, 2019 Sérgio Schalka,1 Marcelo de Paula Corrêa,2 Leticia Yumi Sawada,1 Camila C Canale,3 Thayna N de Andrade41Department of Dermatology, Medcin Clinical Research Center, Osasco, Brazil; 2Institute of Natural Resources, Federal University of Itajub&
Schalka S +4 more
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Ultrafast photoprotective properties of the sunscreening agent octocrylene
Optics Express, 2016 Today octocrylene is one of the most common molecules included in commercially available sunscreens. It provides broadband photoprotection for the skin from incident UV-A and UV-B radiation of the solar spectrum. In order to understand how octocrylene fulfils its role as a sunscreening agent, femtosecond pump-probe transient electronic UV-visible ...
Lewis A, Baker +2 more
openaire +2 more sources
Determination of sun protection factor (SPF) of sunscreens by ultraviolet spectrophotometry [PDF]
, 2004 O objetivo desta pesquisa foi determinar o Fator de Proteção Solar (FPS) de emulsões contendo filtros solares físicos e químicos por espectrofotometria no ultravioleta. Foram analisadas dez amostras comerciais de emulsões de diferentes fabricantes.
Dutra, Elizângela Abreu +3 more
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TOPICAL BENZOPHENONE-3 MICROEMULSION-BASED GELS: PREPARATION, EVALUATION AND DETERMINATION OF MICROBIOLOGICAL UV BLOCKING ACTIVITY [PDF]
, 2014 Objective: Microemulsions (MEs) have been developed as active vehicles for sunscreens being physical sunscreens on their own.The aim of this study is to incorporate Benzophenone-3 (BZ-3), a chemical sunscreening agent into MEs resulting in a synergistic ...
ABD EL-Aziz, Nabaweya +3 more
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Nuevas alternativas de inmovilización de activos antioxidantes
Revista Cubana de Investigaciones Biomédicas, 2001 Durante las últimas décadas se ha hecho énfasis en el desarrollo de nuevos sistemas de inmovilización que permitan prolongar el tiempo de vida de una sustancia con el objetivo de mejorar su eficacia.
Yanet Esperanza Gelabert Rodríguez +1 more
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ESTIMATION OF PHYTOCHEMICALS SCREENING AND SUN PROTECTION FACTOR (SPF) NUMBER IN COMMONLY USED ETHANOLIC FRUIT EXTRACTS [PDF]
The aim of the present study is phytochemical screening and the ultraviolet absorption properties of ethanolic herbal extracts of some commonly used vegetable sources by determining the sun protection factor (spf) number.
Chandaka Madhu , Dr.K.Murali Krishna, Sunkara Bhawani, K.Ramanji Reddy*, Dr.B.Jagan mohan reddy, K.Deepthi
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