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306150
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Showing 1-30 of 31 results for "306150" within Papers
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 80, 163-181 (2015-03-21)
A main challenge in food safety research is to demonstrate that processing of foodstuffs does not lead to the formation of substances for which the safety upon consumption might be questioned. This is especially so since food is a complex
Acta pharmacologica et toxicologica, 51(3), 217-226 (1982-09-01)
The oral administration of 500-2500 mg/kg/day dicyclohexyl phthalate (DCHP) to young male Sprague-Dawley rats for 7 days resulted in liver enlargement and induction of some parameters of hepatic xenobiotic metabolism. Additional studies indicated that the hepatic enzyme induction resembled that
Journal of applied toxicology : JAT, 29(6), 510-521 (2009-04-25)
The objective of this study was to evaluate the developmental toxic potential of di-n-hexyl phthalate (DnHP) and dicyclohexyl phthalate (DCHP) in rats. Pregnant Sprague-Dawley rats were exposed to DnHP or DCHP at doses of 0 (olive oil), 250, 500 and
Electrochemical acetylcholinesterase biosensor based on multi-walled carbon nanotubes/dicyclohexyl phthalate modified screen-printed electrode for detection of chlorpyrifos.
Journal of Electroanalytical Chemistry, 801, 185-191 (2017)
Journal of chromatography. A, 1172(2), 105-112 (2007-10-26)
A simple, rapid and efficient method, the dispersive liquid-liquid microextraction (DLLME) in conjunction with gas chromatography-mass spectrometry (GC-MS), has been developed for the extraction and determination of phthalate esters (dimethyl phthalate, diallyl phthalate, di-n-butyl phthalate, benzyl butyl phthalate, dicyclohexyl phthalate
Toxicology letters, 118(1-2), 1-8 (2001-01-04)
Xenoestrogen dialkyl phthalates, C(6)H(4)(COOC(n)H(m))(2), lack the phenolic hydroxyl group that is an essential structural component of the steroid A ring of 17 beta-estradiol. In order to examine whether dialkyl phthalates imitate the steroid structure, we have synthesized a series of
The Journal of toxicological sciences, 30 Spec No., 79-96 (2006-04-28)
The reproductive toxicity of dicyclohexyl phthalate (DCHP) was evaluated in a two generation test in which male and female Sprague-Dawley (SD) rats of parental (F0) and F1 generation were exposed to DCHP in the diet at concentrations of 0 (control)
Applied microbiology and biotechnology, 99(19), 8101-8111 (2015-05-23)
Small metabolites can participate in the virus-host interactions in eukaryotes. However, little is known about roles of metabolites in the interactions between bacteria and bacteriophages. In this study, the metabolomic profilings of bacteriophage GVE2-infected and virus-free Geobacillus sp. E263, a
Targeted quantification and untargeted screening of alkylphenols, bisphenol A and phthalates in aquatic matrices using ultra-high-performance liquid chromatography coupled to hybrid Q-Orbitrap mass spectrometry.
Analytica Chimica Acta, 801, 185-191 (2018)
Biochemical and biophysical research communications, 254(2), 311-314 (1999-01-27)
Dialkyl phthalates have been suggested to function as xenoestrogen. To explore the structural essentials, a series of ring and alkyl-chain isomers of dialkyl phthalates C6H4(COOCnHm)2 were examined for their ability to displace [3H]17beta-estradiol in the recombinant human estrogen receptor expressed
Journal of separation science, 33(2), 251-257 (2009-12-10)
In this study, a simple, rapid and sensitive method for the determination of five phthalates including dimethyl phthalate, diethyl phthalate, dipropyl phthalate, benzyl butyl phthalate, and dicyclohexyl phthalate in fruit jellies by LC coupled with MS has been developed. Samples
PLoS neglected tropical diseases, 10(1), e0004324-e0004324 (2016-01-14)
Indoor residual spraying (IRS) of DDT is used to control visceral leishmaniasis (VL) in India. However, the quality of spraying is severely compromised by a lack of affordable field assays to monitor target doses of insecticide. Our aim was to
Toxicology letters, 189(1), 14-20 (2009-05-05)
Anti-androgenic chemicals alter sexual differentiation by a variety of mechanisms, and the mechanisms between phthalate esters and p,p'-DDE are considered to be different. We performed an in utero through lactational exposure assay using dicyclohexyl phthalate and p,p'-DDE to investigate the
Acta odontologica Scandinavica, 51(1), 45-51 (1993-02-01)
Samples of saliva were collected from subjects with dentures. These samples were collected both before the dentures were replaced and 1 week after the subjects had received their new dentures. Dibutylphthalate and phenyl benzoate were detected in the saliva samples
Journal of oral rehabilitation, 25(8), 575-588 (1998-10-22)
The aim of this study was to analyse the leached moieties of dental composites after storage in ethanol and organic acids of plaque and further evaluate the resultant effect on the diametral tensile strength (DTS) of the composites. Three commercial
Journal of fluorescence, 20(6), 1167-1173 (2010-04-15)
A sensitive and specific indirect competitive fluorescence immunoassays (FIA) has been developed for the quantitative determination of dicyclohexyl phthalate (DCHP) using an antigen-coated plate format. The polyclonal antibodies raised against dicyclohexyl 4-amino phthalate conjugated to bovine serum albumin (BSA) by
Metabolomics : Official journal of the Metabolomic Society, 7(1), 1-14 (2011-04-05)
Due to the complexity of typical metabolomics samples and the many steps required to obtain quantitative data in GCĀ ĆĀ GC-MS consisting of deconvolution, peak picking, peak merging, and integration, the unbiased non-target quantification of GCĀ ĆĀ GC-MS data still poses a major challenge
Analytica chimica acta, 676(1-2), 103-108 (2010-08-31)
A simple, sensitive, and rapid strategy has been reported in this work which is based on polymer monolith microextraction (PMME) and high performance liquid chromatography (HPLC) for the determination of phthalate esters in cosmetics. A poly(methacrylic acid-co-ethylene glycol dimethacrylate) (MAA-EGDMA)
Journal of toxicology and environmental health. Part A, 78(15), 1008-1018 (2015-08-12)
A simple and fast method is proposed to analyze commercial personal perfumes. Our method includes measurement of phthalates, known to be major sources of endocrine disruptor chemicals (EDC), which originate from the less volatile fraction of perfumes. The quantification of
The Journal of reproduction and development, 51(2), 253-263 (2005-05-11)
Phthalates are suspected to disrupt the endocrine system, especially through estrogenic effects. In the present study, we investigated the effects of various phthalates and compared them with those of estrogenic compounds that disrupt the female reproductive system. To assess the
Wei sheng yan jiu = Journal of hygiene research, 35(5), 543-546 (2006-11-08)
To study the preparation and characterization of hapten and artificial antigen of dicyclohexyl phthalate. A dicyclohexyl phthalate hapten (4-amino dicyclohexyl phthalate) was synthesized by introducing amino as a substituent on the aromatic ring and retaining the ester group, and characterized
Environment international, 51, 1-7 (2012-11-10)
This survey determined the levels of eight phthalates - i.e. dimethyl phthalate (DMP), diethyl phthalate (DEP), diisobutyl phthalate (DiBP), di-n-butyl phthalate (DnBP), benzylbutyl phthalate (BzBP), di(2-ethylhexyl) phthalate (DEHP), dicyclohexyl phthalate (DCHP) and di-n-octyl phthalate (DnOP) - in several Belgian milk
Double imprinted photoresponsive polymer for simultaneous detection of phthalate esters in plastics.
European Polymer Journal, 108, 295-303 (2018)
Toxicology letters, 233(2), 125-137 (2015-02-01)
This study investigated the effects of di-n-hexyl phthalate (DHP) and dicyclohexyl phthalate (DCHP) on male reproductive development in utero. Pregnant rats were exposed to DHP and DCHP at doses of 0 (vehicle), 20, 100 and 500mg/kg/day, by gavage, on gestational
Journal of chromatography. A, 1362, 110-118 (2014-08-27)
A new analytical method was developed and validated for simultaneous analysis of 27 phthalates in milk and milk products. Response surface methodology was employed to optimize a quick, easy, cheap, effective, rugged, and safe (QuEChERS) sample preparation method. Ultrahigh-performance liquid
Journal of neurochemistry, 91(1), 69-76 (2004-09-24)
Endocrine disruptors possibly exert effects on neuronal functions leading, in particular, to behavioural alterations. In this study, we examined the effects of dicyclohexylphthalate (DCHP), an endocrine disruptor, on rat behavioural and cellular responses. Single intracisternal administration of DCHP (0.87-87 nmol)
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 51, 123-136 (2012-10-02)
The present study is to investigate the effects of in utero di-n-hexyl phthalate (DHP) and dicyclohexyl phthalate exposure (DCHP) on the development of male reproductive tract at prepubertal, pubertal and adult stages. Pregnant rats were exposed to DHP and DCHP
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 50(12), 4428-4435 (2012-09-19)
Food products can be contaminated with toxic compounds via the environment. Another possibility of food contamination is that toxicants are generated in foods or that chemicals migrate from food contact materials into foods during processing. In this study, the effect
Analytica chimica acta, 887, 237-244 (2015-09-01)
Phthalates are a group of synthetic compounds mainly used as plasticizers, which have been classified as endocrine-disrupting chemicals and potential human-cancer causing agents. They can be found in high amounts in foods, deriving mainly from plastic packaging. The analytical determination
Obesity (Silver Spring, Md.), 18(7), 1283-1288 (2009-11-21)
The burgeoning obesity and diabetes epidemics threaten health worldwide, yet the molecular mechanisms underlying these phenomena are incompletely understood. Recently, attention has focused on the potential contributions of environmental pollutants that act as endocrine disrupting chemicals (EDCs) in the pathogenesis
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