Results 111 to 120 of about 2,932 (253)

Exposure–Recovery Approach for Hepatic Toxicity Analysis of Pyrethroid Lambda‐Cyhalothrin: Histopathological, Histochemical, and Biochemical Responses in Oreochromis niloticus

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Lambda‐cyhalothrin is a synthetic pyrethroid insecticide widely used in agriculture, but its potential to contaminate aquatic ecosystems and exert high toxicity on fish at low concentrations raises ecotoxicological concerns. While standard histopathological and biochemical assessments are common, the novel integration of pigment‐based ...
Carlos Eurico Fernandes   +7 more
wiley   +1 more source

Dual Genotoxic and Antigenotoxic Effects of 3‐Benzoylcoumarins in Mammalian Cells

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Coumarins are phenolic compounds widely recognized for their diverse pharmacological activities and have attracted increasing attention as potential chemopreventive agents. In the present study, four known 3‐benzoylcoumarin derivatives [(1), (2), (3), and (4)] were evaluated for their cytotoxic, mutagenic, and antigenotoxic effects in Chinese ...
Leticia Helena Parreira   +7 more
wiley   +1 more source

Low‐Dose Chlorothalonil Induces Testicular Injury Through Disruption of Steroidogenic Signaling in Adult Male Mice

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Chlorothalonil (CHL) is a widely used organochlorine fungicide frequently detected in environmental and food matrices. Although increasing evidence indicates adverse effects in nontarget species, the mechanisms underlying CHL‐induced male reproductive toxicity remain incompletely understood.
Cristiana Livramento Oliveira Pinto   +7 more
wiley   +1 more source

Efectos del aumento del nivel del mar por cambio climático en la morfología de la ría de Celestún, Yucatán

open access: yesTecnología y ciencias del agua, 2014
Se evaluaron los efectos de un potencial incremento del nivel medio del mar sobre la morfología de un sistema lagunar por medio del análisis de estabilidad de la boca de comunicación con el mar.
Rogelio Torres Mota   +2 more
doaj  

Potential Neuroendocrine Disruption by Benzodiazepines and Its Impact on Male Fertility

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Neuroactive substances have emerged as potent endocrine disruptors affecting male reproductive health through central and peripheral mechanisms. Among these, benzodiazepines, which are widely used for the management of anxiety, insomnia, epilepsy, and neuromuscular disorders, are known as GABA A (gamma‐aminobutyric acid type A) receptor ...
Ana Clara Melo Andrade de Rodrigues   +3 more
wiley   +1 more source

El impacto de la fusión de los icebergs en el nivel del mar

open access: yesRevista Eureka sobre Enseñanza y Divulgación de las Ciencias, 2015
Contrariamente a la creencia, muy extendida, de que la fusion de las grandes masas de hielo a la deriva en el oceano no repercute en un aumento del nivel del mar, lo cierto es que el deshielo de icebergs, barreras de hielo e incluso de la banquisa tiene,
José Domingo Villarroel Villamor   +1 more
doaj  

Transcranial Color‐Coded Duplex Sonography in Large‐Vessel Vasculitis Compatible With Takayasu Arteritis Presenting Intracranial Involvement and Vertebrobasilar Dolichoectasia: A Case Report

open access: yesJournal of Clinical Ultrasound, EarlyView.
This case illustrates sequential intracranial occlusions in large‐vessel vasculitis compatible with Takayasu arteritis preserving perfusion through robust collateral pathways. Transcranial color‐coded duplex sonography identified characteristic blunted flow patterns and focal turbulence, underscoring its value in detecting hemodynamic compromise beyond
Maria Júnia Lira e Silva   +4 more
wiley   +1 more source

Verruga y Uta en el valle de Huaillacayan (Dpto. de Ancash).: I. Determinación de los límites altitudinales de la zona endémica y de la incidencia de ambas enfermedades

open access: yesRevista Peruana de Medicina Experimental y Salud Pública, 1957
Se ofrece los resultados de observaciones epidemiológicas acerca de la enfermedad de Carrión (verruga peruana) y la leishmaniasis tegumentaria (uta) realizadas en el valle de Huaillacayán (10º18' de latitud Sur), tendientes a determinar los límites ...
Arístides Herrer
doaj  

Quick Guide: GESTIONANDO EL AUMENTO DEL NIVEL DEL MAR Y LAS INUNDACIONES

open access: yes
Cities across Europe are facing increasing threats from natural hazards—floods, heatwaves, storms, and wildfires. But adaptation starts with understanding. This series of Quick Guides provides local and regional authorities with clear, actionable insights on how to prepare, respond, and build resilience.
ARSINOE   +5 more
openaire   +1 more source

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