Results 81 to 90 of about 17,008 (279)

Novel Histopathologic Features of Diffuse Blue‐Gray Hyperpigmentation Associated With Kratom Use: A Case Report and Literature Review

open access: yesJournal of Cutaneous Pathology, EarlyView.
ABSTRACT Background Drug‐induced hyperpigmentation accounts for 10%–20% of acquired pigmentary disorders and can be misdiagnosed for other causes such as melasma, post inflammatory changes, or heavy metal deposition. Kratom (Mitragyna speciosa), a Southeast Asian plant with an opioid‐like profile, has been increasingly used in the United States for ...
Rita Kamoua   +4 more
wiley   +1 more source

Skin Cell Phototoxicity and Photoprotection Study of Agro-Derived Lignin and Nanocellulose

open access: yesCosmetics
Lignin, a significant industrial byproduct from paper manufacturing processes, exhibits ultraviolet (UV) radiation absorption properties. Cellulose nanofibers (CNFs) demonstrate universal ligand characteristics and represent an innovative approach for ...
Juliana Varella Cruz   +7 more
doaj   +1 more source

Talcum powder and photoprotection

open access: yesJournal of Marine Medical Society, 2017
Context: Talcum powder is a popular daily use cosmetic product in India with a high urban and rural penetration. Aim: To examine the photoprotective ability of a popular brand of talcum powder. Design: Nonrandomized controlled efficacy study.
Jandhyala Sridhar, C R Srinivas
doaj   +1 more source

Biochemical characterization of Fucoxanthin Chlorophyll a/c binding proteins in the diatom Phaeodactylum tricornutum

open access: yes, 2012
Diatoms contribute largely to the total primary production of the ecosphere and are key players in global biogeochemical cycles. Their chloroplasts are surrounded by four membranes owing to their secondary endosymbiotic origin.
Joshi, Jidnyasa
core  

National Delphi consensus on laser and energy‐based treatments for rosacea

open access: yesJDDG: Journal der Deutschen Dermatologischen Gesellschaft, EarlyView.
Summary Background Various treatments are available for rosacea, including lasers and energy‐based devices (EBDs). However, the specific role of lasers and EBDs in rosacea management remains insufficiently defined in Germany. The aim of the study was to develop a comprehensive expert consensus on the use of lasers and EBDs in the treatment of rosacea ...
Lynhda Nguyen   +16 more
wiley   +1 more source

Beneficiaries’ satisfaction of the Distintivo Soludable Ecuador Project

open access: yesMedisur
Foundation: excessive exposure to the sun can be harmful to health; it increases the risk of sunburn, causes premature aging and skin cancer.Objectives: to determine the beneficiaries’ knowledge and satisfaction with the policies on photoprotection ...
Angélica Salomé Herrera Molina   +5 more
doaj  

Photoprotective and Therapeutic Potential in Skin Cancer of Amaryllidaceae Alkaloids

open access: yesProceedings, 2019
Skin cancer has evolved as the most common malignant disease, accounting for 4.5% of all new cancer cases. [...]
Carol Castañeda   +5 more
doaj   +1 more source

Phosphorylation of thylakoid proteins

open access: yes, 2008
Photoprotection, Photoinhibition, Gene Regulation, and Environment examines the processes whereby plants monitor environmental conditions and orchestrate their response to change, an ability paramount to the life of all plants.
Vener, Alexander,
core  

Afamelanotide improves quality of life and light tolerance in Austrian erythropoietic protoporphyria patients

open access: yesJDDG: Journal der Deutschen Dermatologischen Gesellschaft, EarlyView.
Summary Background Erythropoietic protoporphyria (EPP) is a rare genetic disorder characterized by severe phototoxic reactions that occur within minutes of light exposure. In clinical studies, afamelanotide has been shown to prolong pain‐free sun exposure, improve quality of life, and reduce the frequency and severity of phototoxic reactions ...
Magdalena Seidl‐Philipp   +9 more
wiley   +1 more source

Quantifying the efficiency of photoprotection [PDF]

open access: yesPhilosophical Transactions of the Royal Society B: Biological Sciences, 2017
A novel emerging technology for the assessment of the photoprotective ‘power’ of non-photochemical fluorescence quenching (NPQ) has been reviewed and its insightful outcomes are explained using several examples. The principles of the method are described in detail as well as the work undertaken for its justification.
openaire   +3 more sources

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