Results: 30

Insects and spiders on Acacia mangium (Fabaceae) saplings as bioindicators for the recovery of tropical degraded areas

Braz. j. biol; 84 (), 2024
Abstract Acacia mangium is a pioneer species with fast growth and frequently used in the recovery of degraded areas. The objectives were to evaluate insects and spiders, their ecological indices and interactions on A. mangium saplings in a tropical degraded area in recovering process. The experimental de...

FIB-4 y Lok score como predictores de várices esofágicas en pacientes con cirrosis hepática
FIB-4 and Lok score as predictors of esophageal varices in patients with liver cirrhosis

Cambios rev. méd; 22 (2), 2023; 22 (2), 2023; 22 (2), 2023
INTRODUCCIÓN. La endoscopia digestiva es el estudio de elección para el diagnóstico de várices, es un procedimiento invasivo que en ocasiones puede no ser bien tolerado por los pacientes y tiene un alto costo, por lo que se propone el índice FIB-4 y puntaje Lok para predecir várices esofágicas en ...

Honey as a bioindicator of environmental organochlorine insecticides contamination

Braz. j. biol; 83 (), 2023
Abstract Honey is a suitable matrix for the evaluation of environmental contaminants including organochlorine insecticides. The present study was conducted to evaluate residues of fifteen organochlorine insecticides in honey samples of unifloral and multifloral origins from Dir, Pakistan. Honey samples (...

Ácaros en sistemas de ventilación de edificios industriales: bioindicadores de la calidad del aire interior

La Organización mundial de la Salud, ha señalado que 92% de la población mundial vive en lugares donde los niveles de calidad del aire se han reducido por debajo de los límites fijados, estimando que a nivel mundial aproximadamente 90% de las personas respiran aire contaminado y que la población de ...

Aggregation of hepatic melanomacrophage centers in S. herzbergii (Pisces, Ariidae) as indicators of environmental change and well-being

The melanomacrophage centers (MMCs) in the liver of fish are indicators of environmental conditions, as they are involved in xenobiotic biotransformation. The objective of this study was to evaluate the number of MMC in the liver of juveniles and adults of Sciades herzbergii from areas with different lev...

Parasitic monogenoideans of Sciades herzbergii as bioindicators of environmental quality in amazonian estuarines ecosystems

Abstract This study evaluated the use of gill parasitic monogenoideans from Sciades herzbergii (Siluriformes: Ariidae) as bioindicators of environmental quality in Amazonian estuarine ecosystems. Fish were caught in the tidal channels in an impacted area - IA, near the port of São Luís and a reference ...

Evidence of mutagenic and lethal effects of herbicides on Amazonian frogs

Acta amaz; 50 (4), 2020
Os anfíbios são ótimos bioindicadores porque são sensíveis à poluição química, indicando alterações ecossistêmicas pela presença de ou pela exposição a compostos químicos. Aqui nós relatamos evidências do impacto de herbicidas, incluindo glifosato, em anfíbios em uma localidade na Amaz...

Ischemia-modified albumin as a possible marker of oxidative stress in patients with telogen effluvium

An. bras. dermatol; 95 (4), 2020
Abstract Background Telogen effluvium is the most common form of non-scarring alopecia characterized by diffuse hair loss. Ischemia-modified albumin is a marker of oxidative stress and inflammation. Objective The aim of this study was to compare the levels of ischemia-modified albumin of telogen effluv...

Increased neutrophil lymphocyte ratio and platelet lymphocyte ratio in malignant parotid tumors

Abstract Introduction Recently it has been reported that a high preoperative neutrophil-lymphocyte ratio and platelet-lymphocyte ratio may be related to increased recurrence risk, tumor aggressiveness, and worsened prognosis in various malignancies. Objective The objective of this research is to explor...