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Showing 1-30 of 55 results for "P53357" within Papers
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
Rita Ceresole et al.
Journal of cosmetic science, 64(5), 317-328 (2013-10-22)
During preformulation studies of cosmetic/pharmaceutical products, thermal analysis techniques are very useful to detect physical or chemical incompatibilities between the active and the excipients of interest that might interfere with safety and/or efficacy of the final product. Differential scanning calorimetry
Tomomi Hatanaka et al.
Pharmaceutical research, 32(12), 3965-3974 (2015-07-22)
To develop an in silico method based on Fick's law of diffusion to estimate the skin concentration following dermal exposure to chemicals with a wide range of lipophilicity. Permeation experiments of various chemicals were performed through rat and porcine skin.
Sindhuri Maddineni et al.
AAPS PharmSciTech, 16(2), 444-454 (2014-11-02)
The objective of the present study was to investigate the effects of processing variables and formulation factors on the characteristics of hot-melt extrudates containing a copolymer (Kollidon® VA 64). Nifedipine was used as a model drug in all of the
Prabin Dhangada Majhi et al.
Environmental health perspectives, 128(1), 17002-17002 (2020-01-16)
Endocrine-disrupting chemicals have been shown to have broad effects on development, but their mutagenic actions that can lead to cancer have been less clearly demonstrated. Physiological levels of estrogen have been shown to stimulate DNA damage in breast epithelial cells
Simultaneous Determination of p-Hydroxybenzoate Preservatives in Pharmaceuticals and Personal Care Formulations.
Bajaj A and John C.
Asian Journal of Research in Chemistry, 8(6), 394-398 (2015)
M A Farajzadeh et al.
Talanta, 81(4-5), 1360-1367 (2010-05-06)
In this study a new dispersive liquid-liquid microextraction (DLLME) method is presented on the basis of a safe organic solvent, octanol, which is lighter than water. The proposed method is used for the extraction and pre-concentration of some preservatives including
Weiyu Wang et al.
Analytica chimica acta, 678(1), 39-43 (2010-09-28)
A novel capillary electrophoresis and amperometric detection method was achieved by adding an electroactive additive (3,4-dihydroxybenzylamine, 3,4-DHBA) to the running buffer, so that both electroactive and non-electroactive food preservatives were simultaneously determined. Under the selected optimum conditions, four electroactive preservatives
Anna Maria Wróbel et al.
Toxicology letters, 238(2), 110-116 (2015-08-09)
In the present study, we examined cAMP levels and activation of the MAPK/ERK1/2 and PI3K/Akt signaling pathways in response to the actions of parabens on GPR30 in MCF-7 and MCF-10A cells. Cells were exposed to methyl-, propyl- or butylparaben at
Markus A Lill et al.
Journal of medicinal chemistry, 48(18), 5666-5674 (2005-09-02)
We investigated the influence of induced fit of the androgen receptor binding pocket on free energies of ligand binding. On the basis of a novel alignment procedure using flexible docking, molecular dynamics simulations, and linear-interaction energy analysis, we simulated the
Ismail Hewala et al.
Journal of AOAC International, 94(5), 1447-1460 (2011-12-15)
A simple, rapid, and sensitive RP-HPLC method using photodiode array detection was developed and validated for the simultaneous determination of granisetron hydrochloride, 1-methyl-1H-indazole-3-carboxylic acid (the main degradation product of granisetron), sodium benzoate, methylparaben, propylparaben, and 4-hydroxybenzoic acid (the main degradation
Joshua B Gurtler et al.
Journal of food protection, 75(3), 443-448 (2012-03-14)
Propyl p-hydroxybenzoic acid (propylparaben [PRPA]) is a phenolic antioxidant, known to occur in nature and used as a microbiostat in foods, feeds, pharmaceuticals, cosmetics, and medications. The U.S. Department of Agriculture, Food Safety and Inspection Service (FSIS) requires that liquid
Pankaj Aggarwal et al.
Journal of chromatography. A, 1364, 96-106 (2014-09-07)
Highly cross-linked monolithic networks (i.e., polyethylene glycol diacrylate, PEGDA) synthesized from monomers containing varying ethylene oxide chain lengths were fabricated inside fused silica capillary columns for use in liquid chromatography (LC) of small molecules. Tergitol was used as a surfactant
Katra Kolšek et al.
Toxicology in vitro : an international journal published in association with BIBRA, 29(1), 8-15 (2014-09-07)
A homeostasis of the glucocorticoid and androgen endocrine system is essential to human health. Their disturbance can lead to various diseases, for example cardiovascular, inflammatory and autoimmune diseases, infertility, cancer. Fifteen widely used industrial chemicals that disrupt endocrine activity were
J Roszak et al.
Journal of hazardous materials, 392, 122442-122442 (2020-03-21)
This study was undertaken to assess cytotoxic effects of selected aluminium compounds, parabens and phthalates in combination with silver nanoparticles (AgNP, 15 and 45 nm by STEM, Ag15 and Ag45, respectively) on cell lines of the human breast epithelium, normal
Kristen W Smith et al.
Environmental health perspectives, 120(11), 1538-1543 (2012-06-23)
Parabens are suspected endocrine disruptors and ubiquitous preservatives used in personal care products, pharmaceuticals, and foods. No studies have assessed the variability of parabens in women, including during pregnancy. We evaluated predictors and variability of urinary paraben concentrations. We measured
Rossana Canavesi et al.
Journal of pharmaceutical and biomedical analysis, 97, 141-150 (2014-05-28)
Pantethine (d-bis-(N-pantothenyl-β-aminoethyl)-disulfide, PAN), the stable disulfide form of pantetheine, has beneficial effects in vascular diseases being able to decrease the hyperlipidaemia, moderate the platelet function and prevent the lipid peroxidation. Furthermore, recent studies suggested that PAN may be an effective
Emilija Makaji et al.
International journal of toxicology, 30(4), 410-418 (2011-06-28)
There is an increasing concern that chemicals in the environment are contributing to the global rise in the prevalence of type 2 diabetes (T2D). However, there is limited evidence for direct effects of these chemicals on beta cell function. Therefore
Michelle P Dvores et al.
Langmuir : the ACS journal of surfaces and colloids, 28(17), 6978-6984 (2012-03-29)
This study presents a method for one-step formation of poly(ethylene oxide) nanofibers incorporating nanoparticles of a poorly water-soluble compound. Using the new method reported here, nanofiber-nanoparticle composites are fabricated in one step by electrospinning of an oil-in-water microemulsion, in which
O Herrero et al.
Mutation research, 743(1-2), 20-24 (2012-01-18)
Di(2-ethylhexyl)phthalate, triclosan and propylparaben are contaminants of emerging concern that have been subjected to extensive toxicological studies, but for which limited information is currently available concerning adverse effects on terrestrial plant systems. The Allium cepa test, which is considered one
Naomi L Kruhlak et al.
Toxicology mechanisms and methods, 18(2-3), 217-227 (2008-01-01)
ABSTRACT Drug-induced phospholipidosis (PL) is a condition characterized by the accumulation of phospholipids and drug in lysosomes, and is found in a variety of tissue types. PL is frequently manifested in preclinical studies and may delay or prevent the development
Venkat Koganti et al.
AAPS PharmSciTech, 11(4), 1541-1548 (2010-10-29)
Liquid mixing scale-up in pharmaceutical industry has often been based on empirical approach in spite of tremendous understanding of liquid mixing scale-up in engineering fields. In this work, we attempt to provide a model-based approach to scale-up dissolution process from
Anna Maria Wróbel et al.
Toxicology letters, 230(3), 375-381 (2014-08-17)
Numerous studies have shown that widely used parabens possess estrogenic properties. In the present study, we examined the effects of methyl-, propyl- and butylparaben on the mRNA and protein expression of estrogen receptor (ER)-α (ESR1) and -β (ESR2) and the
Juan Ignacio Cacho et al.
Talanta, 146, 568-574 (2015-12-24)
A new procedure for the introduction of ionic liquid samples in gas chromatography (GC) is proposed. This procedure, based on microvial insert thermal desorption, allows the direct analysis of the compounds preconcentrated by ionic liquid based liquid-liquid microextraction (IL-LLME) using
Rahul Sonawane et al.
Expert opinion on drug delivery, 11(12), 1833-1847 (2014-08-01)
The primary aim of present work was to develop effective combination drug therapy for topical treatment of psoriasis. Betamethasone dipropionate and calcipotriol loaded solid lipid nanoparticles (CT-BD-SLNs) were prepared by hot melt high shear homogenization technique, which were then incorporated
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
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
Yang Wang et al.
Analytica chimica acta, 673(2), 145-150 (2010-07-06)
A selective, sensitive, rapid and reliable method based on molecularly imprinted polymers (MIPs) with dual templates to determine total content of parabens in cosmetics was developed. With methylparaben (MP) and propylparaben (PP) as dual-templates, methacrylic acid (MAA) as a functional
Superbug hideout: finding MRSA in U.S.wastewater treatment plants.
Rebecca Kessler
Environmental health perspectives, 120(11), A437-A437 (2012-11-03)
Miguel González-Doncel et al.
Environmental pollution (Barking, Essex : 1987), 184, 360-369 (2013-10-08)
Here we proposed a battery of non-invasive biomarkers and a histological survey to examine physiological/anatomical features in embryos, eleutheroembryos (13 days post-fertilization, dpf), and larvae (28-42 dpf) of medaka to investigate the effects of embryonic exposure to propylparaben (PrP). Concentrations <1000 μg
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