Results 61 to 70 of about 95,173 (266)

Development of a Zebrafish Embryo‐Based Test System for Thyroid Hormone System Disruption: 3Rs in Ecotoxicological Research

open access: yesEnvironmental Toxicology and Chemistry, EarlyView.
Abstract There is increasing concern regarding pollutants disrupting the vertebrate thyroid hormone (TH) system, which is crucial for development. Thus, identification of TH system–disrupting chemicals (THSDCs) is an important requirement in the Organisation for Economic Co‐operation and Development (OECD) testing framework.
Lisa Gölz   +9 more
wiley   +1 more source

Study on the effect of paraquat dichloride’s (PD) acute toxicity on Anabas testudineus (Bloch, 1792) [PDF]

open access: yesJournal of Stress Physiology & Biochemistry
A commonly used herbicide in agriculture, paraquat dichloride (PD) has caused a great deal of concern due to its high toxicity and potential impact on the environment.
Ganga Mandal   +2 more
doaj  

CONTENT OF ACTIVE COMPOUNDS, TOXICITY OF CRUDE EXTRACTS OF MANGROVE LEAVES (RHIZOPHORA MUCRONATA) AND ITS MODULATION OF TILAPIA (OREOCHROMIS NILOTICUS)

open access: yesRussian Journal of Agricultural and Socio-Economic Sciences, 2021
Limited cultivation unit land makes the increase of aquaculture from a widely developed into an intensive system. Intensive system with high density care in confined spaces has the potential to cause stress and disease in fish.
Fahrurrozi A.   +3 more
doaj   +1 more source

Toxicity and residual activity of spinetoram to neonate larvae of Grapholita molesta (Busck) and Cydia pomonella (L.) (Lepidoptera: Tortricidae): Semi-field and laboratory trials [PDF]

open access: yes, 2016
Spinetoram is a fermentation insecticide, derived from the actinomycete Saccharopolyspora spinosa. It works by disrupting the GABA-gated chloride channels and by causing persistent activation of insect nicotinic acetylcholine receptors.
Avilla Hernández, Jesús   +4 more
core   +2 more sources

Integrated Anatomical, Chemical, Biological and Computational Studies Approach of Myrcia sylvatica (G. Mey) DC. A Multifaceted Insight Into a Promising Amazonian Species

open access: yesFlavour and Fragrance Journal, EarlyView.
This study presents an integrated anatomical, chemical, biological, and computational analysis of Myrcia sylvatica, revealing key bioactive compounds with antioxidant and toxicological potential, and identifying spathulenol and globulol as promising acetylcholinesterase inhibitors with favourable pharmacokinetic properties. ABSTRACT Myrcia sylvatica (G.
Eliza de Jesus Barros dos Santos   +10 more
wiley   +1 more source

Zebra Midye (Dreissena polymorpha)'de Malathionun Akut Toksisitesi (LC50)’nin Belirlenmesi

open access: yesJournal of Anatolian Environmental and Animal Sciences, 2022
Sunulan çalışmada, zebra midye (Dreissena polymorpha) bireyleri, LC50 değerlerinin belirlenmesi için, konsantrasyon düzeyleri farklı olan, malathion etken maddesini içeren pestisitin bu organizma üzerindeki akut toksik etkisi araştırılmıştır. Bu amaçla aralık belirleme ve deneysel tasarım kurgulanmıştır.
Neşe AKÇANAL ÖDÜN, Osman SERDAR
openaire   +1 more source

Acute and Chronic Toxicity of Sediments Containing Platinum and Palladium on Freshwater Benthic Organisms Chironomus riparius and Hyalella azteca

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT The expanding demand for platinum group elements (PGEs) in industrial and medical applications has led to their increasing accumulation in aquatic sediments. However, their ecological impacts remain poorly understood, particularly for sediment‐dwelling invertebrates. This study assessed the toxicity of platinum (Pt) and palladium (Pd) across a
Alice Carle   +3 more
wiley   +1 more source

Bioassays with terrestrial and aquatic species as monitoring tools of hydrocarbon degradation [PDF]

open access: yes, 2016
In this study chemical analyses and ecotoxicity tests were applied for the assessment of a heavily hydrocarbon-contaminated soil prior and after the application of a remediation procedure that consisted in the stimulation of soil autochthonous ...
Bori Dols, Jaume   +3 more
core   +2 more sources

Use of the TIPS Technique as a Possible Method of Acute Inhalation Toxicity Assessment

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Acute inhalation toxicity studies provide crucial information regarding short‐term exposure to volatile chemicals and help to ensure the safe handling and use of these chemicals. However, acute inhalation toxicity assessment requires specialized equipment, and most animal facilities are not able to carry out such studies.
Dina Mourad Saleh   +8 more
wiley   +1 more source

PENGARUH MINYAK BIJI JARAK PAGAR (Jatropha curcas Linn.) TERHADAP NEMATODA PURU AKAR (Meloidogyne spp.)

open access: yesJurnal HPT (Hama Penyakit Tumbuhan), 2017
Penelitian ini bertujuan untuk mengetahui pengaruh minyak biji jarak pagar dalam menekan mortalitas telur dan juvenil II Meloidogyne spp. dan untuk mendapatkan nilai LC50 dan LT50 minyak biji jarak pagar.
Kafif Andani   +2 more
doaj  

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