Results 21 to 30 of about 172,825 (214)

Strategies for SERS Detection of Organochlorine Pesticides [PDF]

Nanomaterials, 2021
Organochlorine pesticides (OCPs) embody highly lipophilic hazardous chemicals that are being phased out globally. Due to their persistent nature, they are still contaminating the environment, being classified as persistent organic pollutants (POPs). They bioaccumulate through bioconcentration and biomagnification, leading to elevated concentrations at ...
Rebeca Moldovan, Bogdan-Cezar Iacob, Cosmin Farcău, Ede Bodoki, Radu Oprean   +4 more
openaire   +3 more sources

Effect of pesticides on human health [PDF]

Ķazaķstannyṇ Klinikalyķ Medicinasy, 2017
Pesticides are unique chemicals, that deliberately spread in the environment and their toxicity has limited selectivity species.The Republic of Kazakhstan is a region where cotton is one of the most important sectors of agricultural production and ...
Gauri Bapayeva, S Kulbayeva, A Zhumadilova   +2 more
doaj   +1 more source

Quantification of Residual Organochlorine Pesticides in Medicinal Plant Raw Materials Containing Terpenoids

Регуляторные исследования и экспертиза лекарственных средств, 2022
An important indicator of the safety of plant raw materials and herbal medicinal products is the content of residual pesticides. Its determination is particularly difficult in aromatic plants characterised by a diverse composition of terpenoids co ...
Ya. F. Kopytko, O. L. Saybel, A. E. Burova   +2 more
doaj   +1 more source

Associations between organochlorine pesticides and cognition in U.S. elders: National Health and Nutrition Examination Survey 1999–2002

Environment International, 2015
There is limited evidence about whether background exposure to organochlorine pesticides is related to impairment of cognitive function in general populations.
Ki-Su Kim, Yu-Mi Lee, Ho-Won Lee, David R. Jacobs, Jr., Duk-Hee Lee   +4 more
doaj   +1 more source

Water Bodies Quality along Paddy Field in Karang Ploso Sub District, Malang City, Indonesia [PDF]

E3S Web of Conferences, 2019
Agricultural activities cannot be separated from the use of agrochemical, both chemical fertilizer and pesticides. As the largest water user sector, agricultural activities are a source of water pollution.
Gustinasari Kiki, Hermana Joni, Pandebesie Ellina S.   +2 more
doaj   +1 more source

Occurrence and distribution of the cyclodiene-type organochlorine pesticides in soils of Vojvodina province, Serbia [PDF]

Journal of the Serbian Chemical Society, 2016
Aldrin, endrin and dieldrin are highly toxic and persistent cyclodiene-type organochlorine pesticides. Although these compounds have been banned over the last few decades in many countries, they can still be found in the environment, especially ...
Zeremski Tijana, Vasin Jovica, Milić Stanko, Sekulić Petar, Hansman Štefan, Bursić Vojislava   +5 more
doaj   +1 more source

Modern modification of the method for determination of organochlorine pesticides in organic vehicles

Известия ТИНРО, 2017
New method for determination of organochlorine pesticides (DDT and its metabolites, HCH and its isomers) is presented. The method includes a liquid-liquid extraction of pesticides under ultrasound and the substance analysis by gas-liquid chromatography ...
Andrey P. Chernyaev, Ekatherina Yu. Rychkova, Nickolay B. Kondrikov, Ekatherina N. Zyk   +3 more
doaj   +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

Tạp 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, Nguyễn Đức Thuận   +1 more
doaj   +1 more source

Determination of 24 Organochlorine Pesticides and Pyrethroids in Complex Matrix Soils by Comprehensive Two-dimensional Gas Chromatography with Micro-electron Capture Detector

Yankuang ceshi, 2020
BACKGROUND Currently the analysis methods of organochlorine pesticides and pyrethroids in environment samples are gas chromatography and gas chromatography-mass spectrometry (GC-MS).
SHI Lei, SUN Yan-yan, SHEN Xiao-ming, LÜ Ai-juan, CAI Xiao-hu, LIU Jiao, SHEN Jia-lin   +6 more
doaj   +1 more source

Determination of pyrethroids and organochlorine pesticides in oolong tea by gas chromatography-negative chemical ionization-mass spectrometry

Zhongguo shipin weisheng zazhi, 2021
ObjectiveTo establish a method for the determination of several kinds of pyrethroids and organochlorine pesticides in Chinese oolong tea samples based on liquid-liquid extraction-solid phase extraction-gas chromatography-negative chemical ionization-mass
ZHU Pan, WAN Huan, LV Fen, YAO Jing, LONG Chaoyang, HUANG Weixiong, WU Yongning   +6 more
doaj   +1 more source