Buscar
Mostrando ítems 41-50 de 312
Accumulation of polychlorinated biphenyls (PCBs) in navigation channels, harbors and industrial areas of the Bahia Blanca Estuary, Argentina
(Univ Tehran, 2013-04)
The usage and production of polychlorinated biphenyls (PCBs) was banned in Argentina in 2002, approximately twenty to thirty years later than in other countries. A total of 29 sediment samples (up to 14 m deep) were analyzed ...
4′-(2-(2-Ethoxyethoxy)ethoxy)biphenyl-4-carboxylic acid—a polar smectogen for amphipathic liquid crystals
(Pergamon-Elsevier Science Ltd, 2009-12)
We describe a new calamitic smectogen and some of its esters with a three-block molecular architecture (polar oxyethylene chain, rigid biphenyl and non-polar aliphatic chain) which were characterised by a combination of ...
Antioxidant Activity of Biphenolic Compounds Anchored on Mesoporous Alumina
(MDPI, 2019-11)
Phenolic antioxidants are used in the industry to delay the oxidation of fats, with the most used being butyl hydroxy anisole (BHA) and butyl hydroxy toluene (BHT). However, the consumer concern regarding their safety has ...
Anti mycobacterial activity of 4 '-bromo-[1,1 '-biphenyl]-4-yl 4-x-phenylmethanone derivatives, and their acute toxicity and cytotoxicity
(Govi-verlag Pharmazeutischer Verlag GmbhEschbornAlemanha, 2001)
Síntese de compostos-modelo de lignina e estudos fotoquímicos do composto 4,4 ', 5,5 '-tetrametoxi—1 ,1 '-bifenil-2,2'-diol (12) e do 3,3 ', 5,5 '- tetrametoxi-1,1'-bifenil-4,4'-diol (14), visando auxiliar na compreensão dos processos de fotobranqueamento de polpas celulósicasSynthesis of model lignin compounds and photochemical studies of compound 4,4 ', 5,5' -tetramethoxy — 1, 1 '-biphenyl-2,2'-diol (12) and 3,3', 5,5 '- tetramethoxy-1,1'-biphenyl-4,4'-diol (14), aiming to assist in the understanding of photobleaching processes for cellulosic pulps
(Universidade Federal de UberlândiaBrasilPrograma de Pós-graduação em Química, 2020)
Integrated analysis of halogenated organic pollutants in sub-millilitre volumes of venous and umbilical cord blood sera
(2010-03-01)
A rapid, robust and economical method for the analysis of persistent halogenated organic compounds in small volumes of human serum and umbilical cord blood is described. The pollutants studied cover a broad range of molecules ...
BACTERIAL DEGRADATION AND BIOREMEDIATION OF CHLORINATED HERBICIDES AND BIPHENYLS
(Chilean Society of Soil Science/Sociedad Chilena de la Ciencia del Suelo, 2010)
Impact of environmental variables on PCDD/F and dl-PCB levels in dairy milk of the farming region of Chile
(Pontificia Universidad Catolica de Chile, Facultad de Agronomia e Ingenieria Forestal, 2018)
According to a One Health perspective, the importance of persistent organic pollutants (POPs) must be assessed because of their impact on the environment, food chain and human health. However, information on these toxic ...
Honokiol, magnolol and its monoacetyl derivative show strong anti-fungal effect on Fusarium isolates of clinical relevance
(Public Library of Science, 2019-09-04)
The antifungal activity of magnolol and honokiol, two naturally occurring hydroxylated biphenyls, and of their synthetic derivatives was evaluated on a collection of representative isolates of Fusarium oxysporum, F. solani ...
Oxidation of dibenzothiophene (DBT) by Serratia marcescens UCP 1549 formed biphenyl as final product
(Biomed Central LtdLondonInglaterra, 2012)