Results: 60

Hypovitaminosis D in patients undergoing kidney transplant: the importance of sunlight exposure

Clinics; 72 (7), 2017
OBJECTIVES: Recent studies have shown a high prevalence of hypovitaminosis D, defined as a serum 25-hydroxyvitamin D level less than 30 ng/ml, in both healthy populations and patients with chronic kidney disease. Patients undergoing kidney transplant are at an increased risk of skin cancer and are advise...

Growth, photosynthetic pigments and production of essential oil of long-pepper under different light conditions

An. acad. bras. ciênc; 89 (2), 2017
ABSTRACT Piper hispidinervum C. DC. is popularly known as long-pepper and it owns a commercial value due to the essential oil it produces. Long-pepper oil is rich in safrole and eugenoln components that have insecticidal, fungicidal and bactericidal activity. It has been establish that to medicinal plant...

Association between physical activity and vitamin D: A narrative literature review

Summary This narrative review of the medical literature assessed whether outdoor and indoor physical activity would increase the plasma levels of vitamin D. Synthesis of this liposoluble vitamin is mainly mediated by sunlight on the skin, where it is activated to perform its main action, which is to cont...

Prevalence of photoprotection and its associated factors in risk group for skin cancer in Teresina, Piauí

An. bras. dermatol; 92 (2), 2017
Abstract: Background: The incidence of skin cancer has increased worldwide, particularly melanoma rates, which had a mean development of 2.6 % a year in the last 10 years. The agreement on the relation between long-term or chronic exposure to the sun and the emergence of these neoplasias has made severa...

Massa de forragem, composição morfológica e valor nutritivo de capim-braquiária submetido a níveis de sombreamento e fertilização

Características produtivas e nutricionais de Brachiaria decumbens, submetida a condições de sombreamento (sol pleno, 20% e 70% de sombreamento), sem e com uso de fertilização (80 kg.ha-1 de N e K2O e 60 kg.ha-1 de P2O5), foram avaliadas no delineamento de blocos casualizados, com quatro repetições...

Daylight photodynamic therapy - Experience and safety in treatment of actinic keratoses of the face and scalp in low latitude and high brightness region

An. bras. dermatol; 92 (1), 2017
ABSTRACT Daylight photodynamic therapy has been used in countries with high latitudes during the summer for actinic keratoses treatment with reports of similar efficacy to conventional photodynamic therapy. We evaluate its safety in 20 patients in the city of Fortaleza, a local with low latitude and high...

Ambiente de luz del sotobosque de una selva nublada andina: estructura del dosel y estacionalidad climática

Rev. biol. trop; 64 (4), 2016
Resumen:El ambiente lumínico en el sotobosque de las selvas nubladas es muy heterogéneo y está determinado por la composición de especies, la estructura del dosel, las condiciones de sitio y la estacionalidad. Este estudio se realizó en la selva nublada San Eusebio, Venezuela (2 300-2 500 m.s.n.m.)....

Biomass allocation and gas exchange are affected by light conditions in endangered Cedrela salvadorensis (Meliaceae) seedlings

Rev. biol. trop; 64 (3), 2016
Abstract:The determination of favorable light habitat conditions per species and life stage is transcendental, for both ex situ and in situ conservation strategies of endangered forest tree species, and for their utilization as plantation trees. This becomes especially important when planting material is...

Occupational skin cancer: Systematic review

SUMMARY Objective: To analyze the epidemiological profile, risk factors in the workplace environment and prevention methods for professionals at risk of skin cancer. Method: A systematic review of articles on occupational skin cancer, published in the Lilacs, Scielo, Medline and Cochrane Library from J...

Práticas de exposição e proteção solar de jovens universitários

Rev. bras. enferm; 69 (1), 2016
RESUMO Objetivo: conhecer práticas de exposição e proteção solar de jovens universitários. Método: estudo descritivo, transversal, realizado em uma universidade de São Paulo. Resultados: a amostra foi composta por 385 jovens e a coleta de dados realizada por meio de formulário. Do total, 239 (62...