Results 51 to 60 of about 1,497 (231)

Hurdles in investigating UVB damage in the putative ancient asexual Darwinula stevensoni (Ostracoda, Crustacea) [PDF]

, 2013
Ostracoda or mussel-shrimps are small, bivalved Crustacea. Because of their excellent fossil record and their broad variety of reproductive modes, ostracods are of great interest as a model group in ecological and evolutionary research.
Martens, Koenraad, Schön, Isa, Van den Broecke, Lynn, Vanfleteren, Jacques   +3 more
core  

Observing and understanding the ultrafast photochemistry in small molecules : applications to sunscreens [PDF]

, 2016
In this review we discuss the importance of biological and artificial photoprotection against overexposure to harmful ultraviolet radiation. Transient electronic and transient vibrational absorption spectroscopies are highlighted as important tools in ...
Baker, Lewis A., Stavros, Vasilios G.
core   +1 more source

A Review on Nature Based Sunscreen Agents

IOP Conference Series: Earth and Environmental Science, 2023
Abstract In recent decades, there has been a huge increase in the ultraviolet radiations of the sun hitting the surface of the earth that has eventually resulted in the depletion of the ozone layer. Keeping this thing in mind, it is a must to protect our skin from these rays as they cause harmful damage to human skin.
Mehak Sharma, Ajay Sharma
openaire   +1 more source

Ring buckling and C=N isomerization pathways for efficient photoprotection in two nature‐inspired UVA sunscreens revealed through ultrafast dynamics and high‐level calculations

Photochemistry and Photobiology, Volume 100, Issue 2, Page 298-313, March/April 2024.
The UV filters in sunscreens are our frontline defense against the harms of ultraviolet radiation. In this paper, we continue the industry's shift toward nature‐inspired, particularly microbial, UV filters by unraveling the fundamental mechanisms of photoprotection in two synthetic analogs of mycosporine‐like amino acids.
Adam M. Cowden, Raúl Losantos, Abigail L. Whittock, Beatriz Peñín, Diego Sampedro, Vasilios G. Stavros   +5 more
wiley   +1 more source

Proteção à radiação ultravioleta: recursos disponíveis na atualidade em fotoproteção Ultraviolet radiation protection: current available resources in photoprotection

Anais Brasileiros de Dermatologia, 2011
A radiação ultravioleta pode provocar danos ao DNA, imunossupressão, alterações químicas e histológicas na epiderme, envelhecimento precoce, cataratas e carcinogênese, dentre outras deteriorações.
Tatiana Santana Balogh, Maria Valéria Robles Velasco, Carla Aparecida Pedriali, Telma Mary Kaneko, André Rolim Baby   +4 more
doaj   +1 more source

Out from the Shadows [PDF]

, 2014
In East Africa, people with albinism face a bleak fate.
Dubois \u2789, Doug
core   +1 more source

Photophysics of sunscreen molecules in the gas phase : a stepwise approach towards understanding and developing next-generation sunscreens [PDF]

, 2016
The relationship between exposure to ultraviolet (UV) radiation and skin cancer urges the need for extra photoprotection, which is presently provided by widespread commercially available sunscreen lotions.
Rodrigues, Natércia D. N., Staniforth, Michael, Stavros, Vasilios G.   +2 more
core   +1 more source

Understanding Active Photoprotection: DNA-Repair Enzymes and Antioxidants

Life
The detrimental effects of ultraviolet radiation (UVR) on human skin are well-documented, encompassing DNA damage, oxidative stress, and an increased risk of carcinogenesis.
Emilio Garcia-Mouronte, Luis Alfonso Pérez-González, Jorge Naharro-Rodriguez, Montserrat Fernández Guarino   +3 more
doaj   +1 more source

Fotoexposição e fatores de risco para câncer da pele: uma avaliação de hábitos e conhecimentos entre estudantes universitários Photoexposure and risk factors for skin cancer: an evaluation of behaviors and knowledge among university students

Anais Brasileiros de Dermatologia, 2010
FUNDAMENTOS: O câncer da pele é a neoplasia mais frequente no Brasil. Compreender as atitudes que influenciam a proteção e a exposição aos raios solares é extremamente importante para sua prevenção.
Ivan Gagliardi Castilho, Maria Aparecida Alves Sousa, Rubens Marcelo Souza Leite   +2 more
doaj   +1 more source

Knowledge, attitudes and practices about sun exposure and photoprotection in outpatients attending dermatology clinics at four hospitals in Lima, Peru Exposição solar e conhecimento, atitudes e práticas de fotoproteção em pacientes de unidades ambulatoriais de dermatologia em quatro hospitais de Lima, Peru

Anais Brasileiros de Dermatologia, 2011
BACKGROUND: To establish the knowledge, about sun exposure and photoprotection in outpatients treated at the dermatology clinics in four hospitals in Lima, Peru.
Elizabeth Thomas-Gavelan, Eliana Sáenz-Anduaga, Willy Ramos, Leonardo Sánchez-Saldaña, María del Carmen Sialer   +4 more
doaj   +1 more source