Results 101 to 110 of about 4,447,414 (292)

Biotransfer of β-N-Methylamino-l-alanine (BMAA) in a Eutrophicated Freshwater Lake

open access: yesMarine Drugs, 2015
β-N-Methylamino-l-alanine (BMAA), a neurotoxic non-protein amino acid, plays a significant role as an environmental risk factor in neurodegenerative diseases, such as amyotrophic lateral sclerosis.
Sandra Lage   +3 more
doaj   +1 more source

bioaccumulation factor

open access: yes
Citation: 'bioaccumulation factor' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.14471 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

LXRα and PPARα Mediated Hepatic Lipid Metabolic Disruption Induced by the UV Filter EHMC in 2D and 3D HepaRG Cell Models

open access: yesFood Safety and Health, EarlyView.
Dietary UV filter EHMC induces hepatic steatosis in HepaRG cells at noncytotoxic concentrations. Mechanistically, EHMC binds nuclear receptors (LXRα, PPARα), upregulating SREBP‐1 to accelerate fatty acid synthesis. These findings highlight the potential metabolic toxicity of widespread EHMC exposure through food sources.
Shanglin Yang   +3 more
wiley   +1 more source

Stereoselective Bioaccumulation and Metabolite Formation of Triadimefon in Tubifex tubifex

open access: yes, 2016
Triadimefon, a chiral fungicide, could be metabolized to triadimenol which has two chiral centers. In this work, Tubifex tubifex was exposed to triadimefon through the aqueous and soil phase to explore the relative importance of the routes of uptake ...
Jinling Diao (1790920)   +3 more
core   +1 more source

Bryozoan‐Rich Carbonate Units of the Erfoud Area (SE Morocco) Record Latest Katian to Early Hirnantian Interglacial Intervals

open access: yesGeological Journal, EarlyView.
In this study, we re‐examine the depositional architecture of the Erfoud limestone in Morocco. Introducing new biostratigraphic constraints from chitinozoan assemblages, we show that Katian to Hirnantian bryozoan‐pelmatozoan meadows reflect flooding events linked to a series of interglacial transgressions known to have occurred immediately prior to the
Philippe Razin   +4 more
wiley   +1 more source

BIOACCUMULATION OF METALS FROM THE ENVIRONMENT AS A FACTOR OF FOOD SAFETY

open access: yesTechnologica acta (Tuzla), 2015
The results of numerous studies have shown the constant presence of heavy metals in the environment. Metals are present in the air, water and soil due to natural processes, but mostly as a result of human activities such as industrial and agricultural processes.
Trgo, Marina   +3 more
openaire   +1 more source

The relationship between cellular protein content and selenium accumulation in freshwater microalgae

open access: yesIntegrated Environmental Assessment and Management, EarlyView.
Abstract Variability in the bioconcentration of selenium (Se) by primary producers at the base of the food web results in uncertainty in predictions of bioaccumulation and ecological risk to higher trophic level organisms. Water chemistry, speciation of Se, and periphyton community composition have all been suggested as factors that contribute to ...
Courtney Bogstie   +3 more
wiley   +1 more source

BIOACCUMULATION DYNAMIC OF HEAVY METALS IN OREOCHROMIS NILOTYCUS (Predicted Through A Bioaccumulation Modelcontructed Based On Biotic Ligand Model (BLM)) [PDF]

open access: yes, 2008
In estuarine ecosystem, sediments are not only functioning as heavy metal scavenger, but also as one of potential sources for heavy metals to the ecosystem. Due the capability of aquatic organisms to accumulate heavy metals, there is possibility of heavy
Noegrohati, Sri
core   +1 more source

Developmental and Behavioral Effects of Arsenobetaine in Zebrafish (Danio rerio)

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Arsenobetaine (AsB) is a prevalent organoarsenical in aquatic environments and is generally regarded as nontoxic. Despite its widespread occurrence, the developmental and neurobehavioral toxicity of AsB has not been systematically investigated.
Sravan Kumar Putnala   +8 more
wiley   +1 more source

Bioaccumulation of Metallic Substances and Organometallic Compounds

open access: yes, 2018
Metals in various forms are natural constituents of water bodies, both marine and freshwater, and are derived from natural processes such as the erosion of ore-bearing rocks and volcanic activity.
Hawker, DW, Darryl W. Hawker
core   +1 more source

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