Results 21 to 30 of about 74,818 (249)

Environmental Exposures and Parkinson's Disease. [PDF]

open access: yes, 2016
Parkinson's disease (PD) affects millions around the world. The Braak hypothesis proposes that in PD a pathologic agent may penetrate the nervous system via the olfactory bulb, gut, or both and spreads throughout the nervous system. The agent is unknown,
Litvan, Irene, Nandipati, Sirisha
core   +2 more sources

A New Method for Exposing Deposit Feeders to Contaminated Sediments for Food Chain Studies [PDF]

open access: yes, 2017
(excerpt) The ubiquity and refractory nature of certain organic compounds, such as chlorinated pesticides and polychlorinated biphenyls (PCB\u27s), results in their accumulation in aquatic sediments (Holdrinet et al. 1978, Peck et al.
Meier, Peter G, Roberts, Dale
core   +3 more sources

Chlorinated organic contaminants in breast milk of New Zealand women. [PDF]

open access: yes, 1994
Breast milk samples from 38 women in New Zealand were analyzed for organochlorine pesticides, polychlorinated biphenyls (PCBs), polychlorinated dibenzo-p-dioxins (PCDDs), and polychlorinated dibenzofurans (PCDFs) as part of a World Health Organization ...
BATES, Michael N.   +4 more
core   +3 more sources

Evaluation of dioxin-like polychlorinated biphenyls in fish of the Caspian Sea

open access: yesMethodsX, 2020
Dioxin-like polychlorinated biphenyls (DL-PCBs) have toxic properties for humans. The innovation of this study was that for the first time in Iran, 12 DL-PCBs concentration in 5 fish species: Rutilus frisii kutum kanesky, Chelon saliens, Vimba vimba ...
Ayub Ebadi Fathabad   +6 more
doaj   +1 more source

Persistent organic pollutant burden, experimental POP exposure and tissue properties affect metabolic profiles of blubber from grey seal pups [PDF]

open access: yes, 2018
Persistent organic pollutants (POPs) are toxic, ubiquitous, resist breakdown, bioaccumulate in living tissue and biomagnify in food webs. POPs can also alter energy balance in humans and wildlife.
Bennett, Kimberley A.   +5 more
core   +4 more sources

Polychlorinated Biphenyls and Attention Deficits

open access: yesPediatric Neurology Briefs, 1996
The effects of in utero exposure to polychlorinated biphenyls (PCBs) on cognitive function in 212 children at 11 years of age were tested at Wayne State University, Detroit, MI.
J Gordon Millichap
doaj   +1 more source

Development of an Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry Method for Hydroxylated Polychlorinated Biphenyls in Animal-Derived Food

open access: yesMolecules, 2022
Hydroxylated polychlorinated biphenyls (OH-PCBs) are a group of metabolites biotransformed from polychlorinated biphenyls by animals with higher toxicities than their parent compounds.
Wenyu Zhao   +7 more
doaj   +1 more source

Prenatal PCB and Dioxin and Cognitive Dysfunction

open access: yesPediatric Neurology Briefs, 1999
The effects of environmental exposure to polychlorinated biphenyls (PCB) and dioxins on cognitive abilities in Dutch children at 42 months of age were assessed at the Sophia Children’s Hospital, Rotterdam, The Netherlands.
J Gordon Millichap
doaj   +1 more source

Chemical signatures of the Anthropocene in the Clyde Estuary, UK: sediment hosted Pb, 207/206 Pb, Total Petroleum Hydrocarbons (TPH), Polyaromatic Hydrocarbon (PAH) and Polychlorinated Bipheny (PCB) pollution records [PDF]

open access: yes, 2011
The sediment concentrations of total petroleum hydrocarbons (TPHs), polyaromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), Pb and 207/206Pb isotope ratios were measured in seven cores from the middle Clyde estuary (Scotland, UK) with an aim ...
Chenery, S.R.   +5 more
core   +1 more source

Polychlorinated dibenzo-p-dioxins (PCDD), dibenzofurans (PCDF) and polychlorinated biphenyls (PCB): main sources, environmental behaviour and risk to man and biota

open access: yesQuímica Nova, 2004
Polychlorinated dibenzo-p-dioxins (PCDD) and dibenzofuranes (PCDF) and polychlorinated biphenyls (PCB) are types of persistent and bioaccumulating organic pollutants with enhanced chronic toxicity and carcinogenic properties and can be considered as ...
Márcia de Souza Pereira
doaj   +1 more source

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