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M G Soni et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 40(10), 1335-1373 (2002-10-22)
Methyl paraben (CAS No. 99-76-3) is a methyl ester of p-hydroxybenzoic acid. It is a stable, non-volatile compound used as an antimicrobial preservative in foods, drugs and cosmetics for over 50 years. Methyl paraben is readily and completely absorbed through
Giuseppe Carlucci et al.
Biomedical chromatography : BMC, 29(6), 911-917 (2014-10-31)
A simple and sensitive method based on the combination of derivatization and high-performance liquid chromatography with ultraviolet and fluorimetric detection was developed for the simultaneous determination of octreotide and gabexate mesylate metabolite in human pancreatic juice samples. Parameters of the
Superbug hideout: finding MRSA in U.S.wastewater treatment plants.
Rebecca Kessler
Environmental health perspectives, 120(11), A437-A437 (2012-11-03)
Ivo A Telley et al.
Nature protocols, 8(2), 310-324 (2013-01-19)
Spindle assembly and chromosome segregation rely on a complex interplay of biochemical and mechanical processes. Analysis of this interplay requires precise manipulation of endogenous cellular components and high-resolution visualization. Here we provide a protocol for generating an extract from individual
Gabriela Oliveira et al.
International journal of pharmaceutics, 435(1), 38-49 (2012-05-29)
Simple topical formulations which include volatile components, such as gels or sprays, are appealing from a cosmetic perspective. However, complex formulation effects may result from the use of volatile excipients in topical formulations, particularly when applied at clinically relevant doses
San-Yong Wang et al.
Bioorganic & medicinal chemistry letters, 17(10), 2785-2788 (2007-03-28)
Twelve allenic aromatic ethers, some of them are natural products isolated from the mangrove fungus Xylaria sp. 2508 in the South China Sea, were synthesized. Their antitumor activities against KB and KBv200 cells were determined. All these compounds demonstrated cytotoxic
A Cortéjade et al.
Talanta, 146, 694-706 (2015-12-24)
The aim of this study was to develop an analytical method and contribute to the assessment of the Exposome. Thus, a targeted analysis of a wide range of contaminants in contact with humans on daily routines in urine was developed.
Yoshiki Asakawa et al.
Journal of separation science, 37(19), 2641-2651 (2014-07-22)
A novel metal aquo-ion affinity chromatography has been developed for the analysis of basic compounds using heat-treated silica gel containing hydrated metal cations (metal aquo-ions) as the packing material. The packing materials of the metal aquo-ion affinity chromatography were prepared
Yujun Hou et al.
PloS one, 9(11), e111215-e111215 (2014-11-12)
Alzheimer's disease (AD) is a progressive neurodegenerative disease that causes substantial public health care burdens. Intensive efforts have been made to find effective and safe disease-modifying treatment and symptomatic intervention alternatives against AD. Smart Soup (SS), a Chinese medicine formula
Melisa Rodas et al.
Talanta, 143, 254-262 (2015-06-17)
Parabens are widely used in dairy products, such as in cosmetics and personal care products. Thus, in this work a multi-syringe chromatographic (MSC) system is proposed for the first time for the determination of four parabens: methylparaben (MP), ethylparaben (EP)
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
Christoph Tappeiner et al.
Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 249(12), 1831-1835 (2011-08-19)
Severe postoperative loss of vision has been occasionally reported as a rare complication of retrobulbar anesthesia, and several possible causes have been proposed in the literature. In this work, our own and other investigators' experiences with these complications are surveyed
Thitiphorn Rongthong et al.
International journal of pharmaceutics, 490(1-2), 165-172 (2015-05-26)
The aim of this study was to investigate the impact of the addition of different amounts of magnesium aluminum silicate (MAS) to polymeric films based on quaternary polymethacrylates (QPMs, here Eudragit RS and RL). MAS contains negatively charged SiO(-) groups
Bolaji Bosede Oluremi et al.
Pakistan journal of pharmaceutical sciences, 25(4), 773-776 (2012-09-27)
Gums are used as binders in tablets and also as emulsion stabilisers, suspending agents and thickeners in syrups. The need for other natural gums apart from the conventional gums to be employed as binding agents in tablets formulation led to
Mousumee Khan et al.
Nutrients, 11(5) (2019-05-01)
Resveratrol has gained widespread scientific attention due to its ability to significantly extend the lifespan of yeast. However, research on the efficacy of resveratrol on lifespan extension has yielded mixed results in animal studies, making resveratrol a contentious subject. In
Ismail I Hewala et al.
Talanta, 88, 623-630 (2012-01-24)
Simple methods for HPTLC peak purity assessment and identification of the HPTLC peaks were presented. The spectrodensitograms - selected at different time intervals across the elution time of the HPTLC peak - were extracted and digital algorithms for manipulating the
Yi Zhang et al.
Journal of economic entomology, 112(2), 505-514 (2018-09-17)
The Varroa destructor (Acari Varroidae) mite is a serious threat to honey bee due to hemolymph feeding and virus transmission. Mite salivary proteins are involved in these interactions. However, the salivary secretome has not been previously characterized. In this paper
K Kannathasan et al.
Acta tropica, 120(1-2), 115-118 (2011-07-19)
The vector-borne diseases caused by mosquitoes are one of the major health problems in many countries especially in tropical and sub-tropical countries. The resistance of mosquitoes to synthetic chemicals and environmental toxicity created by the chemicals raised the demand for
Peng-Cheng Lv et al.
European journal of medicinal chemistry, 44(4), 1779-1787 (2008-06-10)
Twenty-six depsides were synthesized to screen for their antibacterial activity. All of them were reported for the first time. Their chemical structures were clearly determined by (1)H NMR, (13)C NMR, ESI mass spectra and elemental analyses, coupled with one selected
Youssef Bennis et al.
International journal of pharmaceutics, 495(2), 956-962 (2015-10-11)
Epirubicin is widely used for conventional transcatheter arterial chemoembolization (cTACE) in patients with hepatocellular-carcinoma. However, there is no data about its stability in solution at concentration higher than 2 mg/L, yet needed when mixing it with a standard volume of
Antonis Myridakis et al.
Analytical and bioanalytical chemistry, 407(9), 2509-2518 (2015-02-04)
Phthalates, bisphenol A (BPA) and parabens (PBs), organic chemicals widely used in everyday products, are considered to be endocrine disruptors. We propose a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the determination of seven phthalate metabolites, six PBs and BPA
M Khimani et al.
The journal of physical chemistry. B, 116(51), 14943-14950 (2012-12-06)
The influence of methyl paraben (MP) and butyl paraben (BP) on the aggregation characteristics of Pluronics in an aqueous medium has been investigated by DLS, SANS, viscometry, and fluorescence measurement techniques. Parabens are extensively used as preservatives in cosmetic, pharmaceutical
Anna Kulik et al.
Acta poloniae pharmaceutica, 68(4), 467-472 (2011-07-30)
The purpose of the study was to develop a simple, versatile HPLC method for the identification and quantification of praziquantel and ivermectin (in Equimax) or praziquantel and abamectin (in Abamitel Plus). A satisfactory separation was obtained using the Supelcosil LC-ABZ+
M Sola et al.
The bone & joint journal, 97-B(7), 933-938 (2015-07-02)
This in vivo controlled laboratory study was performed to evaluate various intra-articular clinical injection regimes that might be less toxic than some in vitro studies suggest. We hypothesised that low-concentration, preservative-free, pH-balanced agents would be less toxic than high-concentration non-pH-balanced
Andreas Lauterbach et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(3), 614-624 (2014-12-03)
A novel adapalene-loaded solid lipid microparticle (SLMA) dispersion as a topical drug delivery system (TDDS) for follicular penetration has been introduced. The objective of the present study was to investigate the rheological properties, the follicular penetration with differential tape stripping
B Kapalavavi et al.
International journal of cosmetic science, 37(3), 306-311 (2015-01-08)
The goal of this work was to further validate the subcritical water chromatography (SBWC) methods for separation and analysis of preservatives through the evaluation of analyte stability in subcritical water. In this study, the degradation of preservatives was investigated at
Yi Zhang et al.
Journal of economic entomology, 112(2), 505-514 (2018-09-17)
The Varroa destructor (Acari Varroidae) mite is a serious threat to honey bee due to hemolymph feeding and virus transmission. Mite salivary proteins are involved in these interactions. However, the salivary secretome has not been previously characterized. In this paper
Mohammed Al Za'abi et al.
Journal of chromatographic science, 51(1), 40-43 (2012-06-22)
A sensitive and reproducible high-performance liquid chromatography-fluorescence method was developed and validated for quantitative determination of indoxyl sulfate in plasma using methyl paraben as an internal standard. The separation was carried out on an OSD-2 C18 Spherisorb column by isocratic
Marisa H Miceli et al.
Antimicrobial agents and chemotherapy, 56(1), 148-153 (2011-10-12)
Infections and thromboses are the most common complications associated with central venous catheters. Suggested strategies for prevention and management of these complications include the use of heparin-coated catheters, heparin locks, and antimicrobial lock therapy. However, the effects of heparin on
James J Connell et al.
Analytical and bioanalytical chemistry, 407(8), 2245-2253 (2014-11-27)
The spatial distribution of an anticancer drug and its intended target within a tumor plays a major role on determining how effective the drug can be at tackling the tumor. This study provides data regarding the lateral distribution of sunitinib
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