نتایج جستجو برای: benzopyrene
تعداد نتایج: 123 فیلتر نتایج به سال:
Introduction/framework/objectives There are oncological pathologies in which it is possible that some occupational exposures can modulate their appearance. The aim of this review was to sumarize, a succinct and practical way, the most relevant recent published data on subject, international literature, relation Esophageal Cancer. Methodology This Bibliographic Review, initiated through search c...
BACKGROUND Phyllanthus emblica L (PEL), a well-known medical plant, has been used in Asian countries for a long time. Increasing evidence suggests that it can prevent the tumorigenesis of cancer associated with nonresolving inflammation. However, the possible anti-inflammatory mechanism responsible for preventing tumorigenesis of precancerous lung lesions is not well elucidated. MATERIALS AND...
The development of chemistry of free nitroxyl radicals puts a number of new problems before the researchers. It is possible to subdivide nitroxyl radicals into two independent groups: nitroxides and iminoxyls. due to pronounced difference in their reactivity. To specify the concept of stability of a substance it is necessary to reconsider the ideas concerning the discovery of the first stable f...
In this study we investigated the effects of low intensity static radiofrequency electromagnetic field (EMF) causing no thermal effects, on leiomyosarcoma cells (LSC), isolated from tumors of fifteen Wistar rats induced via a 3,4-benzopyrene injection. Electromagnetic resonance frequencies measurements and exposure of cells to static EMF were performed by a device called multi channel dynamic e...
R Re es sp pi ir ra at to or ry y e ef ff fe ec ct ts s o of f a ai ir r p po ol ll lu ut ti io on n: : t th he e i im mp po or rt ta an nc ce e o of f a a m mu ul lt ti id di is sc ci ip pl li in na ar ry y a ap pp pr ro oa ac ch h t to o c co on nd du uc ct t r re es se ea ar rc ch h Investigation of the respiratory effects of air pollution were started in the late fifties after the important...
Over the past two decades a significant increase in fungal infections has been observed (1). More than any other antifungal class, the azoles have been steadily refined and improved upon over the course of almost 50 years. These antifungal compounds are chemically either an imidazole or a triazole group joined to carbon atom as their functional pharmacophore and working through blocking the act...
Purpose: Osteoarthritis (OA) is a common clinical chronic degenerative and progressive joint disease. Biological factors mechanical abnormalities are main pathogenic factors. Disorders of structure tissue morphology caused by instability, etc. will eventually lead to degeneration or even loss articular cartilage function. Relevant studies have shown that the incidence OA gradually increasing, d...
Some groups of male Sprague-Dawley rats were fed a diet containing either 28% beef fat and 2% corn oil or 30% corn oil (high fat), and others were fed either 13% beef fat and 2% corn oil or 15% corn oil (moderate fat), for varying periods of time, with or without exposure to aflatoxin B, (AFBi). Assays for hepatic microsomal oxidases [p-nitroanisole demethylase and benzo(a)pyrene hydroxylase] w...
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