Buscar
Mostrando ítems 21-30 de 312
Crystallographic identification of an unexpected by-product in an Ullman's reaction toward biphenyls: 1-(4-hexyloxy-3-hydroxyphenyl)ethanone
(International Union of Crystallography, 2015-11)
The synthesis of 3,3′-diacetoxy-4,4′-bis(hexyloxy)biphenyl following the nickel-modified Ullmann reaction yielded a by-product which was identified successfully by crystallographic analysis as 1-(4-hexyloxy-3-hydroxyphen ...
Organochlorine contaminants in albatrosses and petrels during migration in South Atlantic Ocean
(PERGAMON-ELSEVIER SCIENCE LTDOXFORD, 2012)
Albatrosses and petrels (Procellariiformes) are migratory oceanic birds of considerable conservational interest. Polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) were assessed in the subcutaneous fat, ...
Endocrine disruptors from the environment affecting breast cancer (Review)
(Spandidos, 2020)
Evaluation of carcinogenic substances from the environment is a challenge for scientists. Recently, a novel approach based on 10 key characteristics of human carcinogens classified by the International Agency for Research ...
Application of Kohonen neural network for evaluation of the contamination of Brazilian breast milk with polychlorinated biphenyls
(Elsevier Science BvAmsterdamHolanda, 2013)