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Determination of halogenated acetic acids and 2, 2-dichloropropionic acid in water samples
Clemens M and Scholer FH
Fresenius Journal of Analytical Chemistry, 344(1-2), 47-49 (1992)
Patrick Levallois et al.
Epidemiology (Cambridge, Mass.), 23(2), 267-276 (2012-02-10)
There is concern about possible effects of disinfection by-products on reproductive outcomes. The purpose of this study was to evaluate the association between maternal exposure to chlorination by-products and the risk of delivering a small for-gestational-age (SGA) neonate. We conducted...
E Myrsky et al.
Clinical and experimental immunology, 152(1), 111-119 (2008-02-19)
Coeliac disease is characterized by immunoglobulin-A (IgA)-class autoantibodies targeted against transglutaminase 2 (TG2), a multi-functional protein also with a role in angiogenesis. These antibodies are present in patient serum but are also found bound to TG2 below the epithelial basement...
Tadafumi Horisaki et al.
The Journal of general and applied microbiology, 57(5), 277-284 (2011-12-06)
Five Burkholderia strains (CL-1, CL-2, CL-3, CL-4, and CL-5) capable of degrading monochloroacetic acid (MCA) were isolated from activated sludge or soil samples gathered from several parts of Japan. All five isolates were able to grow on MCA as the...
Pentafluorobenzyl esterification of haloacetic acids in tap water for simple and sensitive analysis by gas chromatography/mass spectrometry with negative chemical ionization.
Zhao C, et al.
Chemosphere, 119(24), 711-718 (2015)
Rosanne Slingsby et al.
Journal of chromatographic science, 47(7), 523-528 (2009-09-24)
This paper presents the determination of nine haloacetic acids (HAAs) in high ionic strength, treated effluent waters using an ion chromatography-electrospray ionization-tandem mass spectrometry (IC-ESI-MS-MS) method with internal standards and discussions of each of the method parameters. Data is also...
Xuchun Li et al.
Environmental science & technology, 46(13), 7342-7349 (2012-06-12)
Most halogenated organic compounds (HOCs) are toxic and persistent, and their efficient destruction is currently a challenge. Here, we proposed a sulfite/UV (253.7 nm) process to eliminate HOCs. Monochloroacetic acid (MCAA) was selected as the target compound and was degraded...
Michael J Plewa et al.
Environmental and molecular mutagenesis, 51(8-9), 871-878 (2010-09-15)
The haloacetic acids (HAAs) are disinfection by-products (DBPs) that are formed during the disinfection of drinking water, wastewaters and recreational pool waters. Currently, five HAAs [bromoacetic acid (BAA), dibromoacetic acid (DBAA), chloroacetic acid (CAA), dichloroacetic acid (DCAA), and trichloroacetic acid...
Khalid Alhooshani et al.
Talanta, 86, 109-113 (2011-11-09)
For the first time, haloacetic acids and aromatic acetic acids were extracted from wastewater samples using electromembrane extraction (EME). A thin layer of toluene immobilized on the walls of a polypropylene membrane envelope served as an artificial supported liquid membrane...
Chun-Hung Chen et al.
Toxicology, 303, 72-82 (2012-10-30)
Chloroacetic acid (CA), a toxic chlorinated analog of acetic acid, is widely used in chemical industries as an herbicide, detergent, and disinfectant, and chemical intermediates that are formed during the synthesis of various products. In addition, CA has been found...
Xianbin Su et al.
BMC microbiology, 12, 267-267 (2012-11-22)
Acetate is a commonly used substrate for biosynthesis while monochloroacetate is a structurally similar compound but toxic and inhibits cell metabolism by blocking the citric acid cycle. In Burkholderia species MBA4 haloacetate was utilized as a carbon and energy source...
Ruchira N Wijesena et al.
Carbohydrate polymers, 109, 56-63 (2014-05-13)
Chitin nanofibers have been prepared from crab shell as a chitin source using ultrasound assisted fibrillation. Atomic force microscopy (AFM) study showed that the prepared nanofibers were having diameters and lengths primarily in the range of 2-20 nm and 0.3-4...
Alicia Baldessari
Methods in molecular biology (Clifton, N.J.), 861, 445-456 (2012-03-20)
The application of lipases as catalysts in the synthesis of an intermediate of alfuzosin and lapyrium chloride is described. In the first case, the one-pot procedure to obtain the intermediate involves the treatment of tetrahydrofuroic acid with ethanol in the...
Sabyasachi Maiti et al.
International journal of biological macromolecules, 70, 37-43 (2014-06-24)
Herein, C16 alkyl chain-grafted-xanthan copolymer was synthesized and characterized. The copolymer self-assembled into nanometer-size spherical micellar structures in water and incorporated ∼100% glibenclamide into its deeper lipophilic confines. The micellar dispersion exhibited negative zeta potential value (-27.6 mV). The copolymer...
Serena Randazzo et al.
Journal of hazardous materials, 192(3), 1555-1564 (2011-07-26)
Acidic aqueous solutions of the chlorinated aliphatic hydrocarbons 1,2-dichloroethane (DCA) and 1,1,2,2-tetrachloroethane (TCA) have been treated by the electro-Fenton (EF) process. Bulk electrolyses were performed at constant current using a BDD anode and an air diffusion cathode able to generate...
Tien-Hui Lu et al.
Chemico-biological interactions, 225, 1-12 (2014-12-03)
Chloroacetic acid (CA), a chlorinated analog of acetic acid and an environmental toxin that is more toxic than acetic, dichloroacetic, or trichloroacetic acids, is widely used in chemical industries. Furthermore, CA has been found to be the major disinfection by-products...
Wang Yanli et al.
Carbohydrate research, 344(13), 1764-1769 (2009-08-12)
Carboxymethyl starch (CMS) was obtained as a product of the reaction of starch and monochloroacetic acid (MCA) in the presence of sodium hydroxide. The influence of the molar ratio of NaOH/AGU, the molar ratio of MCA/AGU, the reaction time, reaction...
Giulia Caron et al.
Journal of medicinal chemistry, 48(9), 3269-3279 (2005-04-29)
Growing interest in the use of both the logarithm of the partition coefficient of the neutral species in the alkane/water system (log P(N)(alk)) and the difference between log P(N)(oct) (the logarithm of the partition coefficient of the neutral species in...
Danae Liviac et al.
Mutagenesis, 25(5), 505-509 (2010-06-16)
Chemical disinfection of water generates harmful chemical compounds, known as disinfection by-products (DBPs). One class of DBPs is constituted by haloacetic acids (HAAs), the second major group in prevalence (after trihalomethanes) detected in finished drinking water. In this article, we...
Christopher S A Sá et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 47(2), 176-183 (2012-01-17)
A solid phase microextraction method was used for the analysis of nine haloacetic acids (HAAs) in water and air (aerosols) from indoor swimming pools (ISPs). The analysis is characterized by derivatization of HAAs to their methyl-esters with dimethyl sulphate, headspace...
[Investigation on coal work's production use of chloroacetic acid in one province].
Ying Bai et al.
Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases, 28(10), 781-782 (2010-12-04)
Jie-Chung Lou et al.
Journal of hazardous materials, 172(2-3), 1365-1371 (2009-09-12)
The purpose of this work is to investigate an advanced water treatment system changes on disinfects by-products (DBPs) precursors removal efficiencies of treatment plant and associated trihalomethanes (THMs) and haloacetic acids (HAA(5)) formation and assimilable organic carbon (AOC) in reduction...
Maria Jose Cardador et al.
Journal of agricultural and food chemistry, 60(3), 725-730 (2012-01-10)
Chloroacetic, bromoacetic, and iodoacetic acids can be found in alcoholic beverages when they are used as preservatives/stabilizers or as disinfectants. As they are toxic components, their addition is not permitted under European Union and U.S. regulations. To date, no sensitive...
D A Dawson et al.
Archives of environmental contamination and toxicology, 61(4), 547-557 (2011-04-01)
Four ethyl α-halogenated acetates were tested in (1) sham and (2) nonsham combinations and (3) with a nonreactive nonpolar narcotic. Ethyl iodoacetate (EIAC), ethyl bromoacetate (EBAC), ethyl chloroacetate (ECAC), and ethyl fluoroacetate (EFAC), each considered to be an SN2-H-polar soft...
Maria Concetta Bruzzoniti et al.
Environmental science and pollution research international, 19(9), 4176-4183 (2012-04-25)
High concentration of NO (3) (-) in groundwater has raised concern over possible contamination of drinking water supplies. In addition, the formation of haloacetic acids (HAAs) as by-products during disinfection with chlorine-based agents is still a relevant issue, since HAAs...
Maike M Schmidt et al.
Neurotoxicity research, 19(4), 628-637 (2010-07-16)
The chlorinated acetates monochloroacetate (MCA), dichloroacetate (DCA), and trichloroacetate (TCA) are generated in water disinfection processes and are formed during metabolic detoxification of industrial solvents such as trichloroethylene. In order to test for consequences of an exposure of brain cells...
Anette Pietrzak-Nguyen et al.
Biomacromolecules, 15(7), 2378-2388 (2014-06-06)
A broad spectrum of infectious liver diseases emphasizes the need of microparticles for targeted delivery of immunomodulatory substances to the liver. Microcapsules (MCs) are particularly attractive for innovative drug and vaccine formulations, enabling the combination of antigen, drugs, and adjuvants....
Zhen Chen et al.
PloS one, 10(1), e0116553-e0116553 (2015-01-15)
Currently, it is still a tough task for dentists to remineralize dentine in deep caries. The aim of this study was to remineralize demineralized dentine in a tooth model of deep caries using nanocomplexes of carboxymethyl chitosan/amorphous calcium phosphate (CMC/ACP)...
Qian Xu et al.
Huan jing ke xue= Huanjing kexue, 32(7), 1967-1973 (2011-09-20)
Twelve typical nitrogenous organic compounds including herbicides, pesticides, amino acids, industrial products etc in polluted raw water were selected to investigate formation of typical carbonaceous and nitrogenous DBPs during chlorination and chloramination. To indentify the formation mechanism of carbonaceous and...
Analysis of haloacetic acids, bromate, and dalapon in natural waters by ion chromatography-tandem mass spectrometry.
Wu S, et al.
Journal of Chromatography A, 1487(9), 100-107 (2017)
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