Results 21 to 30 of about 1,358,050 (225)

Removal of Selected Organochlorine Compounds by Ozone-based Processes [PDF]

open access: yesChemical and Biochemical Engineering Quarterly, 2017
The paper is focused on the possibility of using ozonation process combined with iron nanoparticles (nZVI – nano zero-valent iron) to remove selected specific synthetic substances, such as hexachlorobutadiene, pentachlorobenzene, hexachlorobenzene ...
K. Šimkovič   +3 more
doaj   +1 more source

Persistent organic pollutants in two reservoirs along the Paraíba do Sul-Guandu River system, Rio de Janeiro, Brazil

open access: yesQuímica Nova, 2005
Sediment contamination is evaluated by determining organic micropollutants (organochlorine compounds - OCs and polycyclic aromatic hydrocarbons - PAHs) in two important Brazilian water reservoirs.
Elcia Margareth Souza Brito   +3 more
doaj   +1 more source

Occurrence of Selected Known or Suspected Endocrine-Disrupting Pesticides in Portuguese Surface Waters Using SPME-GC-IT/MS

open access: yesSeparations, 2021
A multiresidue analytical methodology based on a solid-phase microextraction (SPME), followed by gas chromatography-ion trap mass spectrometry (GC–IT/MS), has been developed for trace analysis of 20 known or suspected endocrine-disrupting pesticides. The
José Vera   +5 more
doaj   +1 more source

Biomonitoring organochlorine compounds using bald eagles (Haliaeetus leucocephalus) in Voyageur's National Park 2011-2017 and developing new biomonitoring techniques [PDF]

open access: yes, 2018
Wildlife are used to monitor the presence and persistence of legacy organochlorine contaminants in the environment. In this study, bald eagles (Haliaeetus leucocephalus) were utilized as an indicator of exposure to organochlorine compounds at Voyageur’s ...
Eberius, Rachel Ann
core   +1 more source

CYP polymorphisms and pathological conditions related to chronic exposure to organochlorine pesticides

open access: yesToxicology Reports, 2017
The association between genetic variations in the cytochrome P450 (CYP) family genes and pathological conditions related to long-term exposure to organochlorine compounds (OCs) deserves further elucidation.
Anca Oana Docea   +14 more
doaj   +1 more source

Persistent organic compounds in human milk and evaluation of the effectiveness of the Stockholm convention in Mexico

open access: yesEnvironmental Advances, 2022
Breast milk is the ideal food for humans, the first 6 months of life. However, due to its lipid content, it may contain persistent organic compounds (POPs).
Carmen Martínez   +7 more
doaj   +1 more source

A survey of the spatial, altitudinal, and temporal distribution of chlorinated paraffins in the Alpine region [PDF]

open access: yes, 2010
Chlorinated paraffins (CPs) have been produced since 1930 and are still used in a wide variety of consumer products and industrial processes. In the last decades, CPs represented one of the largest group of chlorinated hydrocarbons produced in North ...
Iozza, Saverio
core   +1 more source

KHẢO SÁT SỰ HẤP THU HÓA CHẤT BẢO VỆ THỰC VẬT BỞI MnO2 VÀ ỨNG DỤNG ĐỂ XÁC ĐỊNH DƯ LƯỢNG HÓA CHẤT BẢO VỆ THỰC VẬT HỌ CHLOR TRONG MẪU NƯỚC BẰNG PHƯƠNG PHÁP GC-ECD

open access: yesTạp chí Khoa học Đại học Đà Lạt, 2013
A method for the determination of organochlorine pesticides in the water samples by gas chromatography is described. The method consists of sorption of pesticides in water by Mn02 sorbent with a water: Chloroform (10:1, V/V) mixture.
Lê Ngọc Chung   +1 more
doaj   +1 more source

Mother-child transfer rates of organohalogen compounds up to four years of age

open access: yesEnvironment International, 2019
Background: Breastfed children absorb persistent and toxic chemicals such as organohalogen compounds (OHCs) during the entire lactation period. Nursing is a main contributor to the burden of these pollutants in the first years of life, hence further ...
Mercè Garí   +4 more
doaj   +1 more source

Some of the characteristic substances in the Devola River, Albania

open access: yesZaštita Materijala, 2022
This preliminary study presents first data on organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) concentrations in water and sediment samples of Devolli River.
Aurel Nuro, Bledar Murtaj, Elda Marku
doaj   +1 more source

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