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Showing 1-30 of 30 results for "48615" within Papers
Bromodichloromethane.
Report on carcinogens : carcinogen profiles, 10, 34-35 (2004-08-21)
Embarka Chaib et al.
Journal of hazardous materials, 151(2-3), 662-668 (2007-07-31)
Total trihalomethanes (TTHM) concentrations vary widely and periodically between 70 and 130 ppb. Data from the National Environmental Services Laboratory, Houston, Texas indicate that pH and free residual chlorine contribute minimally to the wide variability of TTHM levels. Temperature variation
Kohji Yamamoto et al.
Bulletin of environmental contamination and toxicology, 83(5), 674-676 (2009-05-29)
Dramatic changes in trihalomethanes of tap water caused by decreasing the chlorine dose from to break-point to zero at a pre-chlorination could be found during several years from starting the advanced treatment in Osaka Prefectural water utilities (from 1998 to
Yu-Mei Tan et al.
Journal of exposure science & environmental epidemiology, 17(7), 591-603 (2006-11-17)
Biomonitoring data provide evidence of exposure of environmental chemicals but are not, by themselves, direct measures of exposure. To use biomonitoring data in understanding exposure, physiologically based pharmacokinetic (PBPK) modeling can be used in a reverse dosimetry approach to assess
Eva Aguilera-Herrador et al.
Journal of chromatography. A, 1209(1-2), 76-82 (2008-09-27)
A simple, rapid, solventless method for the determination of trihalomethanes (THMs) (chloroform, bromodichloromethane, dibromochloromethane and bromoform) in water samples is presented. The analytes are extracted from the headspace of the aqueous matrix into a 2 microL drop of the ionic
Ratanesh Kumar Seth et al.
Toxicology and applied pharmacology, 274(1), 42-54 (2013-11-12)
Environmental toxins induce a novel CYP2E1/leptin signaling axis in liver. This in turn activates a poorly characterized innate immune response that contributes to nonalcoholic steatohepatitis (NASH) progression. To identify the relevant subsets of T-lymphocytes in CYP2E1-dependent, environment-linked NASH, we utilized
Natalia Jakubowska et al.
Journal of chromatographic science, 47(8), 689-693 (2009-09-24)
In this study, stir-bar sorptive extraction and thermal desorption followed by gas chromatography coupled with high resolution mass spectrometry was applied for determination of halo-organic compounds (bromodichloromethane, dibromochloromethane, bromoform, and tetrachloroethylene) in water and human urine samples. Time of extraction
Mallika Panyakapo et al.
Journal of environmental sciences (China), 20(3), 372-378 (2008-07-04)
We investigated the concentration of trihalomethanes (THMs) in tap water and swimming pool water in the area of the Nakhon Pathom Municipality during the period April 2005-March 2006. The concentrations of total THMs, chloroform, bromodichloromethane, dibromochloromethane and bromoform in tap
National Toxicology Program genetically modified model report, (5)(5), 1-227 (2008-09-12)
Bromodichloromethane is a by-product of the chlorination of drinking water. It is formed by the halogen substitution and oxidation reactions of chlorine and naturally occurring organic matter (e.g., humic or fluvic acids) in water containing bromide. Bromodichloromethane was nominated to
Jing Liao et al.
Toxicology letters, 223(2), 162-174 (2013-09-05)
The aim of this study was to investigate the mechanism of bromodichloromethane (BDCM) - induced cell proliferation in different tissues of male F344 rats. Rats were administered at doses of 0 and 100mg/kg/day BDCM dissolved in corn oil by gavage
S R Bielmeier et al.
Toxicology in vitro : an international journal published in association with BIBRA, 21(5), 919-928 (2007-03-09)
Bromodichloromethane (BDCM), a drinking water disinfection by-product, causes pregnancy loss, i.e. full-litter resorption, in F344 rats when treated during the luteinizing hormone (LH)-dependent period. This effect is associated with reduced maternal serum progesterone (P) and LH levels, suggesting that BDCM
Richard J Summerhayes et al.
Epidemiology (Cambridge, Mass.), 23(1), 15-22 (2011-12-14)
Trihalomethanes in drinking water have been associated with higher occurrence of small-for-gestational-age (SGA) births, although results have been inconsistent. We geocoded residential address for mother of live, singleton, term births to 33 water distribution systems in a large metropolitan area
J Caro et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 848(2), 277-282 (2006-11-10)
A sensitive and straightforward method for the determination of trihalomethanes (THMs) in urine by using headspace extraction technique has been developed. Chemical and instrumental variables were studied in order to optimize the method for sensitivity: an excess of KCl (4
Bromodichloromethane.
IARC monographs on the evaluation of carcinogenic risks to humans, 71 Pt 3, 1295-1304 (1999-09-07)
[Determination of bromodichloromethane and dibromochloromethane in tap water using headspace gas chromatography with standard addition method].
Yonghua Wang
Se pu = Chinese journal of chromatography, 23(2), 215-215 (2005-07-15)
Regina Grazuleviciene et al.
Occupational and environmental medicine, 70(4), 274-282 (2013-02-14)
Congenital anomalies have been inconsistently associated with maternal crude estimated exposure to drinking water trihalomethane (THM). We investigated the relationship between individual THM uptake during the first trimester of pregnancy and congenital anomalies. We estimated maternal THM uptake for 3074
Kevin S McDorman et al.
Chemico-biological interactions, 152(2-3), 107-117 (2005-04-21)
Public drinking water treated with chemical disinfectants contains a complex mixture of disinfection by-products (DBPs) for which the relative toxicity of the mixtures needs to be characterized to accurately assess risk. Potassium bromate (KBrO(3)) is a by-product from ozonation of
Ted Lock et al.
Archives of toxicology, 78(7), 410-417 (2004-05-14)
Male F344 rats exposed to bromodichloromethane (BDCM) by gavage at 50 or 100 mg/kg/day for 5 days a week for 28 days excreted large amounts of formic acid in their urine, which was accompanied by a change in urinary pH.
Kohji Yamamoto et al.
Bulletin of environmental contamination and toxicology, 83(5), 677-680 (2009-05-29)
Empirical equations for explaining trihalomethane (THM) distribution were established based on data on tap water in Osaka City before and after starting the advanced treatment and were represented by the following equations for bromodichloromethane (S(1)), dibromochloromethane (S(2)) and bromoform distribution
Bromodichloromethane.
IARC monographs on the evaluation of carcinogenic risks to humans, 52, 179-212 (1991-01-01)
Wan-Kuen Jo et al.
The Science of the total environment, 339(1-3), 143-152 (2005-03-03)
In Korea, data for multi-route trihalomethane (THM) exposure in households using municipal tap water treated with ozone-chlorine or chlorine are unavailable or very limited. Accordingly, the present study was designed to obtain those data by measurements of the THM concentrations
Luigi Robbiano et al.
Toxicology, 204(2-3), 187-195 (2004-09-25)
Six chemicals, known to induce kidney tumors in rats, were examined for their ability to induce DNA fragmentation and formation of micronuclei in primary cultures of rat and human kidney cells, and in the kidney of intact rats. Significant dose-dependent
Suvarthi Das et al.
American journal of physiology. Gastrointestinal and liver physiology, 305(12), G950-G963 (2013-10-26)
Recent studies indicate that metabolic oxidative stress, autophagy, and inflammation are hallmarks of nonalcoholic steatohepatitis (NASH) progression. However, the molecular mechanisms that link these important events in NASH remain unclear. In this study, we investigated the mechanistic role of purinergic
Bromodichloromethane.
Report on carcinogens : carcinogen profiles, 12, 73-75 (2011-08-19)
Suvarthi Das et al.
Toxicology and applied pharmacology, 269(3), 297-306 (2013-02-27)
Today's developed world faces a major public health challenge in the rise in the obese population and the increased incidence in fatty liver disease. There is a strong association among diet induced obesity, fatty liver disease and development of nonalcoholic
Minh T Do et al.
Environmental health perspectives, 113(4), 418-424 (2005-04-07)
Chlorination disinfection by-products (CDBPs) are produced during the treatment of water with chlorine to remove bacterial contamination. CDBPs have been associated with an increased risk of bladder cancer. There is also some evidence that they may increase the risk of
Shakhawat Chowdhury et al.
Water research, 44(7), 2349-2359 (2010-01-19)
Chlorination for drinking water can form brominated trihalomethanes (THMs) in the presence of bromide ions. Recent studies have reported that bromodichloromethane (BDCM) has a stronger association with stillbirths and neural tube defects than other THMs species. In this paper, the
National Toxicology Program technical report series, (532)(532), 1-248 (2006-06-03)
Bromodichloromethane is a by-product of the chlorination of drinking water. It is formed by the halogen substitution and oxidation reactions of chlorine with naturally occurring organic matter (e.g., humic or fulvic acids) in water containing bromide. Bromodichloromethane has been shown
Teresa L Leavens et al.
Toxicological sciences : an official journal of the Society of Toxicology, 99(2), 432-445 (2007-07-28)
Exposure to bromodichloromethane (BDCM), one of the most prevalent disinfection byproducts in drinking water, can occur via ingestion of water and by dermal absorption and inhalation during activities such as bathing and showering. The objectives of this research were to
Virginia C Moser et al.
Toxicology, 230(2-3), 137-144 (2006-12-13)
The Safe Drinking Water Act requires that the U.S. EPA consider noncancer endpoints for the assessment of adverse human health effects of disinfection by-products (DBPs). As an extension of our studies in which we demonstrated neurotoxicity at relatively low levels
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