نتایج جستجو برای: organochlorines
تعداد نتایج: 578 فیلتر نتایج به سال:
Polychlorinated biphenyls (PCB) have been suspected as possible contributors to increasing non-Hodgkin's lymphoma incidence during the latter half of the 20th century based on their toxicologic properties and provocative epidemiologic reports. We investigated PCBs and other organochlorines and risk of non-Hodgkin's lymphoma in a population-based case-control study in the United States. Congener...
BACKGROUND Hexachlorobenzene (HCB) and other organochlorines induce porphyria cutanea tarda (PCT) in animal studies. Evidence in humans, however, is contradictory. In neonates and adults from a population historically highly exposed to HCB (Flix, Catalonia, Spain), no relation with PCT or with porphyrin excretion was found. OBJECTIVES We aimed to analyze the association between urinary porphy...
The presence of hazardous chemical compounds in foods is a growing concern almost every country. Although some toxins come from microbial contamination, major part comes residues pesticides used for plant health and food preservation. Despite plans to decrease their use, the concentration encountered growing. societal solution this issue find alternatives chemicals replace most by biodegradable...
The organochlorines (OClPs) and organophosphates (OPPs) pesticides in surface and ground water having intensive agriculture activity were investigated to evaluate their potential pollution and risks on human health. As per USEPA 8081 B method, liquid-liquid extraction followed by Gas-Chromatographic technique with electron capture detector and mass selective detector (GC-MS) were used for monit...
BACKGROUND The steady worldwide increase in the incidence of non-Hodgkin lymphoma during the past few decades remains mostly unexplained. Several studies suggest that there may be an association between the agricultural use of the organochlorine 1,1,1-trichloro-2,2'bis(p-chlorophenyl)ethane (DDT) and increased risk of non-Hodgkin lymphoma. We have investigated the association between risk of no...
Signal transduction by xenobiotics in fish has recently gained much attention. The better known transduction mechanisms are those elicited by organochlorines, organophosphates, carbamates and heavy metals. Organochlorines specifically bind to the membrane bound ouabain sensitive Na+-K+-ATPase affecting neural transmission while the organophosphates and carbamates bind specifically to the membra...
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