Results 11 to 20 of about 97,001 (208)

The changes in dioxin and PCB concentrations in different feed materials over time – preliminary study [PDF]

Journal of Veterinary Research
Polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/PCDFs) and polychlorinated biphenyls (PCBs) are a group of undesirable chemical substances classified as persistent organic pollutants (POPs).
Pajurek Marek, Warenik-Bany Małgorzata, Mikołajczyk Szczepan, Pietroń Wojciech Jerzy   +3 more
doaj   +2 more sources

DIOXINS AND PCBS IN MEAT AND MILK FROM THE REGIONS OF RUSSIA

Юг России: экология, развитие, 2014
Experimental data on monitoring of dioxins and PCBs in samples of beef and pork, as well as in milk from the areas of the Chechen Republic and the Republic of Bashkortostan.
Z. K. Amirov, I. J. Shahtamirov
doaj   +1 more source

Influence of polychlorinated biphenyls (PCBs) and phytoestrogens on prostaglandin F2α and E2secretion from bovine endometrial cells at a postovulatory stage of the estrous cycle

Veterinární Medicína, 2005
Polychlorinated biphenyls (PCBs) and phytoestrogens were found to affect contractions of bovine uterus. Prostaglandins (PG) F2á and E2 are also involved in the uterine contractility.
M. Wrobel, J. Kotwica
doaj   +1 more source

How are polychlorinated biphenyls currently being produced, despite the production ban, and do they pose a risk to the environment?

Environmental Protection and Natural Resources, 2022
Polychlorinated biphenyls (PCBs) are a group consisting of 209 congeners, differing in the number and site of substitution of chlorine atoms to the biphenyl molecule. Due to their physicochemical properties, they have found wide industry use. As a result
Gabryszewska Marta
doaj   +1 more source

Exocrine pancreatic cancer and living near to waste sites containing hazardous organic chemicals, New York State, USA – an 18-year population-based study

International Journal of Occupational Medicine and Environmental Health, 2022
Objectives The etiology of exocrine pancreatic cancer (EPC) remains unknown except for family history and smoking. Despite recent medical advances, rates of pancreatic cancer incidence and mortality are increasing.
Bayarmagnai Weinstein, Alan da Silva, David O. Carpenter   +2 more
doaj   +1 more source

Polychlorinated biphenyls in air and water of the North Atlantic and Arctic Ocean. [PDF]

, 2008
Air and seawater samples were collected on board the R/V Polarstern during a scientific expedition from Germany to the Arctic Ocean during June–August 2004.
Dachs, Jordi, Gioia, Rosalinda, Hand, Ines, Jones, Kevin C., Lakaschus, Soenke, Lohmann, Rainer, Schulz-Bull, Detlef, Temme, Christian   +7 more
core   +3 more sources

The Kelp Gull as bioindicator of environmental chemicals in the Magellan region. A comparison with other coastal sites in Chile

Scientia Marina, 1999
During the breeding seasons 1994/5 and 1995/6 we collected Kelp Gull (Larus dominicanus) eggs from five locations in central to south Chile to study the contamination with mercury and organochlorine compounds.
Jacqueline Muñoz, Peter H. Becker
doaj   +1 more source

Effects of Aroclor 1254 on LH and 17,20β-P secretion in female Prussian carp (Carassius gibelio Bloch) in the spawning season

Czech Journal of Animal Science, 2013
The effects of Aroclor 1254 on the secretion of luteinizing hormone (LH) and 17,20β-dihydroxy-4-pregnen-3-one (17,20β-P) in female Prussian carp (Carassius gibelio Bloch) at the time of their natural spawning were determined.
M. Socha, M. Sokołowska-Mikołajczyk, P. Szczerbik, J. Chyb, P. Epler   +4 more
doaj   +1 more source

Organochlorine Pesticides and PCBs in Traditionally and Industrially Smoked Pork Meat Products from Bosnia and Herzegovina

Foods, 2020
The aim of this study was to determine the concentration of 19 organochlorine pesticides (OCPs): (hexachlorocyclohexane (α-HCH, β-HCH, δ−HCH), lindane, aldrin, heptachlor, heptachlor epoxide, trans-chlordane, cis-chlordane ...
Brankica Kartalović, Krešimir Mastanjević, Nikolina Novakov, Jelena Vranešević, Dragana Ljubojević Pelić, Leona Puljić, Kristina Habschied   +6 more
doaj   +1 more source

Phytoestrogens reduce the effect of polychlorinated biphenyls on the contractility of bovine myometrium in vitro

Veterinární Medicína, 2007
Proper regulation of uterine contractility, both spontaneous and oxytocin (OT)-amplified, is essential for successful fertilization and maintenance of gestation.
M. Wrobel, J. Kotwica
doaj   +1 more source