Results 71 to 80 of about 5,058 (204)

Oxidative Damage, Energy Imbalance, and Behavioral Disruptions in Girardia tigrina Exposed to Treated Sewage Effluents

Environmental Toxicology, EarlyView.
ABSTRACT This study assessed the ecotoxicological effects of treated sewage on the freshwater planarian Girardia tigrina, integrating biochemical, energetic, and behavioral biomarkers. Planarians were exposed for 48 h to different concentrations of treated sewage (12.5%, 25%, 50%, and 100%) and compared to controls using commercial water and water from
Renata M. P. Freitas, Pedro H. Carvalho, Daniela de Melo e Silva, Carlos Gravato   +3 more
wiley   +1 more source

Antimicrobial Residues in a Key Cerrado River: Distribution, Persistence, and Effects on Zebrafish Embryo‐Larval Development

Environmental Toxicology, EarlyView.
ABSTRACT The current study aimed to quantify the antimicrobials amoxicillin (AMX), cefazolin (CFZ), chloramphenicol (CHL), metronidazole (MTZ), and sulfamethoxazole (SX) in effluents and surface water of an important Cerrado river, calculate their half‐lives, and analyze their ecotoxicity following single and combined exposures.
Náthala Maria Simão, Igor Romeiro dos Santos, Jerônimo Raimundo de Oliveira Neto, Flávio Olimpio Sanches Neto, Felipe Cirqueira Dias, Jéssyca Moreira Morais, Lorranny Pereira de Assis Valadares, Naiara Raica Lopes de Oliveira, Mirelle Garcia Silva Bailão, Luiz Carlos da Cunha, Valter Henrique Carvalho‐Silva, Thiago Lopes Rocha, Elisa Flávia Luiz Cardoso Bailão   +12 more
wiley   +1 more source

Juvenile and Pubertal Exposure to Polystyrene Nanoplastics Impairs Epididymal Structure and Sperm Quality in Mice

Environmental Toxicology, EarlyView.
ABSTRACT Nanoplastics (NPs) are emerging environmental contaminants capable of crossing biological barriers, accumulating in tissues, and disrupting physiological pathways. The male reproductive system is particularly vulnerable during the postnatal period, a developmental window characterized by intense testicular differentiation and epididymal ...
Gabriel Magalhães Oliveira Rigo, Nicoly Caixêta Gonçalves, Cristiana Livramento Oliveira Pinto, Patrícia Corona Lopes, Raul Silva Santarem, Juliana Reis Machado, Régia Caroline Peixoto Lira, Ana Paula Ramos, Marcos Vinicius da Silva, Hugo Felix Perini, Gláucia Eloisa Munhoz de Lion Siervo   +10 more
wiley   +1 more source

Educação bilíngue nos Estados Unidos: uma possível transição moral para a cidadania global

Educação e Pesquisa, 2013
Este trabalho consiste em um estudo teórico cujo objetivo é investigar a importância de competências interculturais, tais como habilidades de comunicação, para o desenvolvimento de uma educação para a cidadania global. Tem como hipótese a sugestão de que
Anna Carolina Barbosa
doaj  

Estado do conhecimento sobre Educação Ambiental com foco na formação continuada de docentes da Educação Infantil

Revista Insignare Scientia
O mundo moderno, marcado pelo consumismo desenfreado, tem sido um dos principais motivos da degradação ambiental e do esgotamento dos recursos naturais. Em resposta a esse desafio global, a Educação Ambiental emerge como uma poderosa ferramenta capaz de ...
Bruno Douglas Moreno Gomes, Carlos Alberto de Oliveira Magalhães Júnior, Felipe da Silva Triani   +2 more
doaj   +1 more source

Local Ecological Knowledge Reveals the Distribution of Cryptic Nocturnal Wildlife 局域生态知识揭示隐秘夜行野生动物的分布

Wildlife Letters, EarlyView.
Many nocturnal animals are difficult to study because they are rarely seen, including nocturnal primates, galagos and pottos, in West Africa. Working with over 600 people in 52 villages in southern Guinea‐Bissau, we found that communities frequently recognized galagos by their red eyeshine and distinctive calls, while pottos were not known.
Chloe Chesney, Iaia Tawél Camará, Mamadu Cassamá, Amélia Frazão‐Moreira, Tânia Minhós, Kimberley J. Hockings, Elena Bersacola   +6 more
wiley   +1 more source

Cyclometalated Au(III) Complexes With C*N^N, N^C*N, and C*N Ligands Through C–H Activation

Zeitschrift für anorganische und allgemeine Chemie, EarlyView.
The complexes [Au(QPhPy)Cl][AuCl4], [Au(QPhCF3Py)Cl][AuCl4], [Au(QPhtBuPy)Cl][AuCl4], [Au(QPhPy)Cl]Cl, [Au(QPyPh)Cl2], [Au(QPyPhCF3)Cl2], [Au(QPyPhtBu)Cl2], [Au(bpyAn)Cl][AuCl4], and [Au(phenAn)Cl][AuCl4] (Q = 8‐quinolinyl, Ph = phenyl, An = anthracen‐9‐yl, Py = pyridyl, bpy = 2,2′′‐bipyridyl, phen = 1,10‐phenanthrolinyl) containing N*C^N, N*C, and NN ...
Pascal L. Jurzick, Leo Payen, Bruno Poti e Silva, Francisco Luan Rodrigues Lino, Vladimir Stojadinovic, Axel Klein   +5 more
wiley   +1 more source

A Very Social History: South American Cricketing Tourists in Britain in 1932

History, EarlyView.
Abstract Drawing on both the rich Anglophone cricket historiography and the new Latin American sports scholarship, this article maps out the entangled global networks that shaped the tour of Britain made in 1932 by a team of South American cricketers.
Matthew Brown
wiley   +1 more source

CARE AND CONTROL IN URBAN BRAZIL: The Subaltern Archive of Portarias

International Journal of Urban and Regional Research, EarlyView.
Abstract Security infrastructures permeate everyday life in Brazilian cities. Although security guards and doormen play an important and omnipresent role as social and technological mediators, their practices and perceptions have received little attention.
Tilmann Heil, Susana Durão
wiley   +1 more source

A EDUCAÇÃO COMO COMMODITY: A POLÍTICA DE ORGANISMOS INTERNACIONAIS

Colloquium Humanarum, 2009
O presente artigo tem por finalidade discutir o panorama global da educação visto do prisma dos organismos multilaterais de influência direta nas políticas regionais, em especial de países em desenvolvimento. O conceito de educação como setor comercial e
EDUARD A BENDRATH
doaj   +2 more sources