Results 51 to 60 of about 201,141 (178)

Novel Anthraquinone Chlorination Contributes to Pigmentation and ATP Formation in Thermomyces dupontii

open access: yesMicrobial Biotechnology, Volume 18, Issue 10, October 2025.
This diagram illustrates the chlorination of anthraquinones and its biological functions in Thermomyces dupontii, elucidating how chlorination‐mediated fungal pigmentation promotes energy production and stress adaptation. (1) Extracellular Fenton Chemistry: Involves superoxide anion (O2−) and ferrous ion (Fe2+), which are two fundamental elements for ...
Donglou Wang   +8 more
wiley   +1 more source

Sistema olivococlear medial e genotoxicidade em escolares de região fumicultora

open access: yesRevista CEFAC, 2014
OBJETIVO: avaliar a associação entre a função do sistema olivococlear medial e biomarcadores genotóxicos em escolares residentes de região fumicultora. MÉTODOS: trata-se de um estudo observacional, prospectivo e transversal.
Letícia Regina Kunst   +4 more
doaj   +1 more source

VIREMIA DE BK: ANÁLISE QUANTITATIVA EM PACIENTES TRANSPLANTADOS EM HOSPITAL TERCIÁRIO NO SUL DO BRASIL

open access: yesBrazilian Journal of Infectious Diseases, 2023
Introdução/objetivo: O poliomavírus BK (BKV) é um vírus de dupla fita de DNA pertencente à família Polyomaviridae. Estima-se que 80-90% da população adulta seja soropositiva para BKV, ficando em fase latente no organismo após infecção primária que, em ...
Alessandra Helena da Silva Hellwig   +12 more
doaj   +1 more source

Scientific opinion on the assessment of the exposure of the population of the republic of Croatia to delta‐9‐tetrahydrocanabinol (δ9‐thc) from industrial hemp food on the market of the republic of Croatia

open access: yesFood Risk Assess Europe, Volume 3, Issue 4, October 2025.
Summary Delta‐9‐tetrahydrocannabinol (Δ9‐THC) is a naturally occurring psychoactive compound derived from the hemp plant Cannabis sativa. In 2015, EFSA established an acute reference dose (ARfD) of 1 μg/kg body weight (bw) for Δ9‐THC and assessed acute dietary exposure from milk and dairy products.
Danijela Stražanac   +9 more
wiley   +1 more source

Comparisons of the effects of the sevoflurane and propofol on acute ischemia reperfusion and DNA damages in rabbits

open access: yesBrazilian Journal of Anesthesiology, 2017
Background and objectives: The aim of this study was to compare the effects of sevoflurane and propofol anesthesia on oxidative DNA damage that occurs in low-extremity ischemia and is caused by tourniquet application.
Sema Oncul   +4 more
doaj   +1 more source

Scientific report on the determination of the presence of cannabinoids in industrial hemp food on the market of the Republic of Croatia

open access: yesFood Risk Assess Europe, Volume 3, Issue 4, October 2025.
Summary Cannabis sativa L. is one of the oldest cultivated plants on the planet. It was initially used by humans as a source of roughage for animals and as a textile fiber; over time, it has been used as a source of food and medicine. The plant contains bioactive compounds called cannabinoids. The best‐known cannabinoids occurring in Cannabis sativa L.
Martina Jurković   +2 more
wiley   +1 more source

Resposta a danos no DNA após exposição à luz ultravioleta: apagando o fogo antes do incêndio celular

open access: yesRevista da Biologia, 2015
DNA is a reactive molecule and it is estimated that more than 20 thousand lesions are induced endogenously per cell per day, besides other induced by exogenous agents such as ultraviolet light exposure, resulting in physical blockage of DNA replication and transcription machineries.
openaire   +1 more source

Recent Advances in Strategies to Enhance Photodynamic and Photothermal Therapy Performance of Single‐Component Organic Phototherapeutic Agents

open access: yesAdvanced Science, Volume 12, Issue 7, February 17, 2025.
Single‐component organic phototherapeutic agents (SCOPAs) for photodynamic therapy and photothermal therapy hold promise in treating diseases. This review delves into strategies for enhancing SCOPAs performance, such as boosting ROS generation, improving the photothermal conversion efficiency, and summarizes potential synergies with other therapeutic ...
Laiping Fang   +17 more
wiley   +1 more source

Application of Comet assay to assess the effects of white bean meal on DNA of human lymphocytes

open access: yesBrazilian Journal of Pharmaceutical Sciences, 2012
This study was conducted to evaluate the potential induction of genotoxic effects of white bean flour using the Comet assay. The test was conducted with human lymphocytes present in whole blood immediately after collection, by incubation with white bean ...
Luciana Lopes Silva Pereira   +6 more
doaj   +1 more source

Evaluating endophyte‐rich leaves and leaf functional traits for protection of tropical trees against natural enemies

open access: yesFunctional Ecology, Volume 39, Issue 2, Page 371-389, February 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants use physical barriers and chemical compounds to defend themselves against natural enemies. For instance, tough leaves are considered to be better defended than soft leaves, part of a spectrum of defences defined by functional traits such as leaf chemistry ...
Bolívar Aponte Rolón   +3 more
wiley   +1 more source

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