Results 71 to 80 of about 39,032 (244)

Lethal Concentration of Ammonia and Tolerable Range of pH in zebrafish (Danio rerio) [PDF]

بوم‌شناسی آبزیان, 2017
Increasing in water ammonia is one of the major problems in aquaculture. Nitrogen-containing materials are producing in different ways, including oxidation of nitrogen-containing organic matters such as proteins, manure decomposition and ammonia ...
Eisa Ebrahimi, Mostafa Alishiri, Pedram Malekpouri   +2 more
doaj  

Nanomaterials' Multigenerational Effects by Single and Joint Exposure in Non‐mammalian Models

Environmental Toxicology, EarlyView.
ABSTRACT Nanotoxicology has mainly focused on single‐generation studies, leaving multigenerational toxicity underexplored. Having animal welfare recently gained importance, we aimed to provide the state‐of‐the‐art of knowledge about multigenerational effects in non‐mammalian models in the case of nanomaterials (NM) single and joint exposure to other ...
Andy Joel Taipe Huisa, Analía Ale, Azael Francisco Silva Neto, Lorena De Mendonça Lucena, Marcelo Estrella Josende, Milena Ferreira de Lima, Rhayanny Kethylly Pereira Santos, Martín Federico Desimone, Priscila Gubert, José María Monserrat   +9 more
wiley   +1 more source

Effect of Pozzolanic Cement Exposure in Nile Tilapia (Oreochromis niloticus)

Aquatic Sciences and Engineering
Cement used in structures such as bridges, dams, and retaining walls built on the aquatic ecosystem harms different organisms. The current study reveals the effect of pozzolanic cement (PC) on Nile Tilapia (Oreochromis niloticus).
Akif Er, Mert Minaz, Şevki Kayış
doaj   +1 more source

The Acute Oral Toxicity of Commonly Used Pesticides in Iran, to Honeybees (Apis Mellifera Meda)

Journal of Apicultural Science, 2015
The honey bee is credited with approximately 85% of the pollinating activity necessary to supply about one-third of the world’s food supply. Well over 50 major crops depend on these insects for pollination.
Rasuli Farhang, Rafie Javad Nazemi, Sadeghi Amin   +2 more
doaj   +1 more source

Isolasi dan Uji Potensi L-Asparaginase dari Rimpang Kunyit Putih (Curcuma mangga Vall) terhadap Leukimia Tipe K562

Jurnal Kimia Sains dan Aplikasi, 2008
Telah dilakukan penelitian tentang isolasi enzim L-asparaginase yang berasal dari kunyit putih (Curcuma mangga Vall) dan uji aktifitas pada leukimia tipe K562.
Agustina Arpintasari, Wuryanti Wuryanti, Wasino Hadi Rahmanto   +2 more
doaj   +1 more source

Comprehensive Evaluation of Bisphenol A Toxicity Reveals Neurobehavioral, Metabolic, and Reproductive Impairments in Girardia tigrina

Environmental Toxicology, EarlyView.
ABSTRACT Bisphenol A (BPA), a common industrial chemical used in plastics and consumer products, is increasingly detected in aquatic environments, raising serious concerns about its potential ecological impacts. This study evaluated the sublethal and acute toxic effects of BPA on the freshwater planarian Girardia tigrina, a recognized model for ...
Raquel de Jesus Selestrino, Felipe Schaly, Welligton Luciano Braguini   +2 more
wiley   +1 more source

The Employment of Hydrogen Peroxide in Water Disinfection Poses a Threat to Aquatic Ecosystems Because of Its Toxicity to Nontarget Organisms

Environmental Toxicology, EarlyView.
ABSTRACT Hydrogen peroxide is widely used in water and wastewater treatment, particularly in advanced oxidation processes that aid in the degradation of compounds and microbial disinfection. Despite concerns about potential environmental contamination, its impact on freshwater ecosystems remains inadequately studied.
Letícia Queiroz Almeida, Thayrine Dias Carlos, Leydiane Barbosa Bezerra, Rone S. Barbosa, Nelson Luís Gonçalves Dias Souza, Douglas Henrique Pereira, Renato Almeida Sarmento, Grasiele Soares Cavallini   +7 more
wiley   +1 more source

BIOAKTIVITAS PESTISIDA BATANG BROTOWALI TERHADAP MORTALITAS HAMA Aphis gossypii (HEMIPTERA: APHIDIDAE) PADA TANAMAN KAILAN (Brassica oleracea var. alboglabra)

Jurnal HPT (Hama Penyakit Tumbuhan)
Aphis gossypii Glover (Hemiptera: Aphididae) merupakan hama penting pada tanaman kailan (Brassica oleracea var. Alboglabra). Pengendalian A. gossypii pada tanaman kailan dengan menggunakan pestisida sintetik berbahan aktif Chlorpyrifos secara tidak ...
Ayunda Margaretha, Silvi Ikawati, Fery Abdul Choliq, Oki Mustofa, Sekar Putri Setyaningrum   +4 more
doaj   +1 more source

Multistressor Interaction of Perfluorooctane Sulfonate (PFOS) and Temperature in Two Estuarine Fish Species, Red Drum (Sciaenops ocellatus) and Sheepshead Minnow (Cyprinodon variegatus)

Environmental Toxicology, EarlyView.
ABSTRACT Perfluorooctane sulfonate (PFOS), a perfluoroalkyl substance (PFAS), is characterized by a long, fluorinated carbon chain which makes it ideal for oil‐ and water‐repellent products but detrimental for the environment, where it persists and accumulates in organisms.
Anna L. Thornton, Katy W. Chung, Peter B. Key, Emily C. Pisarski, Philip Tanabe, Marie E. DeLorenzo   +5 more
wiley   +1 more source

Southwestern Kentucky Larval Cheumatopsyche LC50 Values

, 2011
Cheumatopsyche from two Southwestern Kentucky streams were collected during July and August 2004. Specimens were taken to the laboratory to determine baseline atrazine 24 hour LC50 values.

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