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Showing 1-28 of 28 results for "380709" within Papers
High-performance liquid chromatographic analysis of flavonoids from< i> Ononis spinosa</i> L.
Pietta P, et al.
Journal of Chromatography A, 280, 172-175 (1983)
Kinetics of the photosensitized degradation of benzyl 4-hydroxybenzoate in homogeneous aqueous solution under visible-light irradiation.
Gmurek M, et al.
Chemical Engineering Journal, 210, 417-424 (2012)
C Esteve et al.
Talanta, 146, 326-334 (2015-12-24)
A rapid and sensitive analytical method for the simultaneous determination of thirteen endocrine disruptors (five phthalates, seven parabens, and bisphenol A) in a single chromatographic run has been developed for the first time. The separation method, based on ultra-high performance
Martyna Pajewska-Szmyt et al.
Materials (Basel, Switzerland), 13(19) (2020-10-03)
Magnetic molecularly imprinted polymers (MMIPs) are an invaluable asset in the development of many methods in analytical chemistry, particularly sample preparation. Novel adsorbents based on MMIPs are characterized by high selectivity towards a specific analyte due to the presence of
Ying Hu et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 53, 69-74 (2012-12-12)
Benzylparaben (BzP), a type of parabens being used as a preservative agent in cosmetics, food, and pharmaceutical products, may be ingested by humans. In this study, we performed an immature uterotrophic assay using Sprague Dawley (SD) rats by intragastric administration
Marta Pastor-Belda et al.
Journal of chromatography. A, 1564, 102-109 (2018-06-17)
This study describes the use of a magnetic multi-walled carbon nanotube composite for the preconcentration of nine parabens (methyl, ethyl, propyl, isopropyl, butyl, isobutyl, pentyl, phenyl and benzylparaben) from water and urine samples after in situ acetylation. The enriched extracts
Xiaoyun Ye et al.
Environmental health perspectives, 114(12), 1843-1846 (2006-12-23)
Parabens appear frequently as antimicrobial preservatives in cosmetic products, in pharmaceuticals, and in food and beverage processing. In vivo and in vitro studies have revealed weak estrogenic activity of some parabens. Widespread use has raised concerns about the potential human
Qiang Ma et al.
Analytica chimica acta, 912, 65-73 (2016-02-28)
Significantly simplified work flows were developed for rapid analysis of various types of cosmetic and foodstuff samples by employing a miniature mass spectrometry system and ambient ionization methods. A desktop Mini 12 ion trap mass spectrometer was coupled with paper
Marcello Locatelli et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1040, 192-198 (2016-11-20)
This paper reports a novel fabric phase sorptive extraction-high performance liquid chromatography-photodiode array detection (FPSE-HPLC-PDA) method for the simultaneous extraction and analysis of twelve azole antimicrobial drug residues that include ketoconazole, terconazole, voriconazole, bifonazole, clotrimazole, tioconazole, econazole, butoconazole, miconazole, posaconazole
Validation of HPLC analysis of 2-phenoxyethanol, 1-phenoxypropan-2-ol, methyl, ethyl, propyl, butyl and benzyl 4-hydroxybenzoate (parabens) in cosmetic products, with emphasis on decision limit and detection capability.
Borremans M, et al.
Chromatographia, 59(1-2), 47-53 (2004)
Marina Gorga et al.
Journal of chromatography. A, 1352, 29-37 (2014-06-10)
A novel fully automated method based on dual column switching using turbulent flow chromatography followed by liquid chromatography coupled to tandem mass spectrometry (TFC-LC-MS/MS) was applied for the determination of endocrine disruptors (EDCs) and related compounds in sediment and sewage
Dermal contact dermatitis from benzylparaben.
A Tosti et al.
Contact dermatitis, 21(1), 49-51 (1989-07-01)
Linda Schlittenbauer et al.
Analytical and bioanalytical chemistry, 408(6), 1573-1583 (2016-01-13)
Parabens are preservatives widely used in personal care products, pharmaceutical formulations as well as in food, and they are considered endocrine disruptors. For application in biomonitoring studies we developed a method for the determination of eight parabens from human urine.
Hiroshi Yamamoto et al.
Environmental sciences : an international journal of environmental physiology and toxicology, 14 Suppl, 97-105 (2008-07-24)
Butylparaben and benzylparaben, used as preservatives mainly in cosmetic products, have recently been shown to be weakly estrogenic. Batch sunlight photolysis and river water biodegradation experiments were conducted to determine the persistence of these compounds in aquatic environments. As a
Tri Manh Tran et al.
Chemosphere, 144, 1553-1559 (2015-10-27)
Phthalate diesters (phthalates), esters of p-hydroxybenzoic acid (parabens), and bisphenol A diglycidyl ether (BADGE) are used in personal care products, food packages, household products, or pharmaceuticals. These compounds possess endocrine-disrupting potentials and have been reported to occur in the environment.
Ke Yu et al.
Analytica chimica acta, 738, 59-68 (2012-07-14)
Ultrahigh performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) was utilized to develop a rapid, sensitive and reliable method without solid phase extraction (SPE) pre-concentration for trace analysis of 11 pharmaceuticals and personal care products (PPCPs) in influent and effluent from municipal
Contact allergy to benzyl alcohol and benzyl paraben.
G Würbach et al.
Contact dermatitis, 28(3), 187-188 (1993-03-01)
T Menné et al.
Contact dermatitis, 19(3), 189-191 (1988-09-01)
Paraben esters are the most widely used preservatives in cosmetics and topical medicaments. Their sensitization potential is low, based on both experimental and human experience. A paraben mixture is included in the ICDRG standard series, and in patch test studies
Jing G, et al.
Petrochemical Technology, 33(1), 54-56 (2004)
Rebecca K Moos et al.
International journal of hygiene and environmental health, 217(8), 845-853 (2014-07-11)
We developed a fast, selective and sensitive on-line LC/LC-MS/MS method for the simultaneous determination of nine parabens and seven environmental phenols in urine. Parabens are widely used as antimicrobial preservatives. Bisphenol A, triclosan, triclocarban, 2-phenylphenol, and benzophenones are used inter
Rita Celano et al.
Journal of chromatography. A, 1355, 26-35 (2014-06-19)
Pharmaceutical and personal care products (PPCPs) are one of the most important classes of emerging contaminants. The potential of ecological and environmental impacts associated with PPCPs are of particular concern because they continually penetrate the aquatic environment. This work describes
Marcello Locatelli et al.
Journal of chromatography. A, 1367, 1-8 (2014-10-04)
This paper reports a new MEPS-HPLC-PDA method for the simultaneous analysis of seven non-steroidal anti-inflammatory drugs (Furprofen, Indoprofen, Ketoprofen, Fenbufen, Flurbiprofen, Indomethacin, and Ibuprofen) in human plasma and urine. NSAIDs were resolved on a Gemini C18 column (4.6 mm ×
P D Darbre et al.
Journal of applied toxicology : JAT, 23(1), 43-51 (2003-01-09)
Previous work has demonstrated that the alkyl esters of p-hydroxybenzoic acid (parabens) possess oestrogenic activity, which increases with length of alkyl chain from methylparaben to n-butylparaben and with branching in the alkyl chain from n-butylparaben to isobutylparaben. This study reports
S C Rastogi et al.
Contact dermatitis, 32(1), 28-30 (1995-01-01)
The contents of methyl-, ethyl-, propyl-, butyl- and benzylparaben in 215 cosmetic products have been determined to elucidate the concentration and frequency of use of these parabens in cosmetic products, and to monitor whether the products complied with the Danish
Wenhui Li et al.
The Science of the total environment, 539, 262-270 (2015-09-13)
The occurrence and distribution of 13 target compounds, including eight parabens, four chlorinated parabens and p-hydroxybenzoic acid (PHBA), were detected in surface water samples at 35 sampling sites in the Beijing River system, China. The surface water samples were collected
Christopher Jewell et al.
Toxicology and applied pharmacology, 225(2), 221-228 (2007-09-25)
Parabens are esters of 4-hydroxybenzoic acid and used as anti-microbial agents in a wide variety of toiletries, cosmetics and pharmaceuticals. It is of interest to understand the dermal absorption and hydrolysis of parabens, and to evaluate their disposition after dermal
Hiroshi Yamamoto et al.
Environmental sciences : an international journal of environmental physiology and toxicology, 14 Suppl, 73-87 (2008-07-24)
Butylparaben and benzylparaben, used as preservatives mainly in cosmetic products, have recently been found to be weakly estrogenic. Batch activated-sludge treatment and batch chlorination were carried out to roughly determine the removal efficiency of a wastewater treatment plant. Combining the
Wenhui Li et al.
Environmental science and pollution research international, 22(22), 17987-17997 (2015-07-15)
As an emerging group of endocrine-disrupting chemicals, parabens have attracted growing attention due to their potential effects on human health. In the present study, the occurrence and distribution of eight parabens, four chlorinated parabens, and their common hydrolysis product, p-hydroxybenzoic
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