Results 21 to 30 of about 1,089 (151)

Knowledge and habits of sun exposure in university students: a cross-sectional study in Southern Brazil [PDF]

Anais Brasileiros de Dermatologia, 2019
BACKGROUND: Excessive sun exposure is the major risk factor for skin cancer. Thus, sun exposure behavior is the major focus for prevention of this disease, since it is potentially modifiable.
Lia Natália Diehl Dallazem, Ana Maria Benvegnú, Juliana Mazzoleni Stramari, André Avelino Costa Beber, Raissa Massaia Londero Chemello, Maristela de Oliveira Beck   +5 more
doaj   +1 more source

Comportamento relativo à exposição e proteção solar na população de 15 anos ou mais de 15 capitais brasileiras e Distrito Federal, 2002-2003 Behaviors related to sunlight exposure versus protection in a random population sample from 15 Brazilian State capitals and the Federal District, 2002-2003

Cadernos de Saúde Pública, 2007
Este artigo explora a relação entre variáveis sócio-demográficas e comportamentais com proteção solar, levando-se em consideração as diferenças regionais existentes.
André Salem Szklo, Liz Maria de Almeida, Valeska Figueiredo, José de Azevedo Lozana, Gulnar Azevedo e Silva Mendonça, Lenildo de Moura, Moysés Szklo   +6 more
doaj   +1 more source

Fator de proteção solar: significado e controvérsias Sun protection factor: meaning and controversies

Anais Brasileiros de Dermatologia, 2011
O Fator de Proteção Solar (FPS) é o principal dado para quantificação da eficácia fotoprotetora de um filtro solar, sendo universalmente aceito. Seu método é baseado na determinação da Dose Eritematosa Mínima (DEM), definida como sendo a menor quantidade
Sergio Schalka, Vitor Manoel Silva dos Reis   +1 more
doaj   +1 more source

Traditional Uses, Bioactive Constituents, Biological Functions, and Safety Properties of Oviductus ranae as Functional Foods in China

Oxidative Medicine and Cellular Longevity, Volume 2019, Issue 1, 2019., 2019
Oviductus ranae is an animal‐based traditional Chinese material widely used as tonics in China for hundreds of years. Various bioactive components are present in OR including proteins, amino acids, steroids, fatty acids, phospholipids, nucleosides, vitamins, hydantoins, and mineral elements.
Yang Zhang, Yifei Wang, Mingzhu Li, Shuyue Liu, Jialu Yu, Zhaowei Yan, Hongli Zhou, Chung-Yen O. Chen   +7 more
wiley   +1 more source

Synthesis and Evaluation of Chalcone Derivatives as Novel Sunscreen Agent [PDF]

Molecules, 2021
Ultraviolet (UV) irradiation is a serious problem for skin health thus the interest in the research to develop sunscreen agent has been increasing. Chalcone is a promising compound to be developed as its chromophore absorbs in the UV region. Therefore, in the present work, we synthesized eight chalcone derivatives through Claisen–Schmidt condensation ...
Wijayanti, Lucia Wiwid, Tri Swasono, Respati, Lee, Wonkoo, Jumina, Jumina   +3 more
openaire   +3 more sources

Formulation and Evaluation of Optimized Oxybenzone Microsponge Gel for Topical Delivery

Journal of Drug Delivery, Volume 2015, Issue 1, 2015., 2015
Background. Oxybenzone, a broad spectrum sunscreen agent widely used in the form of lotion and cream, has been reported to cause skin irritation, dermatitis, and systemic absorption. Aim. The objective of the present study was to formulate oxybenzone loaded microsponge gel for enhanced sun protection factor with reduced toxicity.
Atmaram P. Pawar, Aditya P. Gholap, Ashwin B. Kuchekar, C. Bothiraja, Ashwin J. Mali, Ali Nokhodchi   +5 more
wiley   +1 more source

Surface Lipids as Multifunctional Mediators of Skin Responses to Environmental Stimuli

Mediators of Inflammation, Volume 2010, Issue 1, 2010., 2010
Skin surface lipid (SSL) film is a mixture of sebum and keratinocyte membrane lipids, protecting skin from environment. Its composition is unique for the high percentage of long chain fatty acids, and of the polyterpenoid squalene, absent in other human tissues, and in non‐human Primates sebum.
Chiara De Luca, Giuseppe Valacchi, Philip W. Wertz   +2 more
wiley   +1 more source

Lip Sunscreen and Lip Cancer Prevention: A Bibliometric Analysis of Research Trends

Dermatologic Therapy, Volume 2026, Issue 1, 2026.
Squamous cell carcinoma of the lower lip is the most frequent malignant neoplasm affecting the oral region and is strongly associated with chronic ultraviolet radiation exposure. Although the use of sunscreens is widely recognized as an effective strategy for skin cancer prevention, lip‐specific photoprotection remains underexplored in the scientific ...
Manoela Carrera, Luciana Estevam Simonato, Suraiya Saleem   +2 more
wiley   +1 more source

Sun exposure and sun protection habits in high school students from a city south of the country Práticas de exposição e proteção solar em estudantes do ensino médio de uma cidade do sul do país

Anais Brasileiros de Dermatologia, 2012
BACKGROUND: Effective solar protection is an uncommon practice among young people, increasing the likelihood of sunburn, sunstroke and skin cancers. This fact is more significant in the south of Brazil, where the prevalence of white skinned population is
Letícia Dupont, Denise Neves Pereira
doaj   +1 more source

Correlação entre fotoproteção e concentrações de 25 hidroxi-vitamina D e paratormônio Correlation between photoprotection and 25 hydroxyvitamin D and parathyroid hormone levels

Anais Brasileiros de Dermatologia, 2007
FUNDAMENTOS- A preocupação com o risco de câncer da pele levou à difusão da fotoproteção em larga escala, e atualmente se discute se haveria, associado a essa recomendação, risco para o desenvolvimento de hipovitaminose D.
Marcus Maia, Sergio Setsuo Maeda, Carolina Marçon   +2 more
doaj   +1 more source