Analysis of anabolic androgenic steroids in urine by full-capillary sample injection combined with a sweeping CE stacking method.
This study describes an on-line stacking CE approach by sweeping with whole capillary sample filling for analyzing five anabolic androgenic steroids in urine samples. The five anabolic steroids for de...Read More
Involvement of the essential metal transporter Zip14 in hepatic Cd accumulation during inflammation.
Upregulation of Zip14 contributes to hepatic zinc (Zn) and non-transferrin-bound iron (Fe) uptake during infection and inflammation. We investigated whether this essential metal transporter is also in...Read More
RamA confers multidrug resistance in Salmonella enterica via increased expression of acrB, which is inhibited by chlorpromazine.
Salmonella enterica serovar Typhimurium SL1344, in which efflux pump genes (acrB, acrD, acrF, tolC) or regulatory genes thereof (marA, soxS, ramA) were inactivated, was grown in the presence of 240 an...Read More
The mechanisms of action involved in the neurotoxicity of solvents are poorly understood. In vitro studies have suggested that the effects of some solvents might be due to the formation of reactive ox...Read More
QSPR modeling of octanol/water partition coefficient for vitamins by optimal descriptors calculated with SMILES
Simplified molecular input line entry system (SMILES) has been utilized in constructing quantitative structure-property relationships (QSPR) for octanol/water partition coefficient of vitamins and org...Read More
Air to lung partition coefficients for volatile organic compounds and blood to lung partition coefficients for volatile organic compounds and drugs
Values of in vitro gas to lung partition coefficients, K"l"u"n"g, of VOCs have been collected from the literature. For 44 VOCs, application of the Abraham solvation equation to log...Read More
A membrane bioreactor for the simultaneous treatment of acetone, toluene, limonene and hexane at trace level concentrations.
The performance of a flat-membrane biofilm reactor (MBR) for the removal of acetone, toluene, limonene and hexane at concentrations ranging from 1.3 to 3.2?mg?m(-3) was investigated at different gas r...Read More
Chemometric Profile of Root Extracts of Rhodiola imbricata Edgew. with Hyphenated Gas Chromatography Mass Spectrometric Technique.
Rhodiola imbricata Edgew. (Rose root or Arctic root or Golden root or Shrolo), belonging to the family Crassulaceae, is an important food crop and medicinal plant in the Indian trans-Himalayan cold de...Read More
Occupational exposure to n-hexane produces a central-peripheral distal axonopathy, which is characterized by giant axonal swellings filled with neurofilaments (NFs). To investigate the change of NFs d...Read More
Phytopathogens and herbivores induce plant defences. Whereas there is evidence that some pathogens suppress these defences by interfering with signalling pathways involved in the defence, such evidenc...Read More
Guanosine (G) derivatives in nonpolar aprotic solvents self-assemble to intricate hydrogen-bonded supramolecular architectures, including dimers, ribbons, and cyclic quartets. Considerable interest ex...Read More
Dispersive liquid-liquid microextraction of propranolol enantiomers from human plasma based on the solidification of a floating organic droplet.
A dispersive liquid-liquid microextraction based on the solidification of a floating organic droplet was developed and validated for the extraction of propranolol enantiomers from human plasma. The st...Read More
Adsorption and Dilational Rheology of Mixed β-Casein/DoTAB Layers Formed by Sequential and Simultaneous Adsorption at the Water/Hexane Interface.
The interfacial behavior of β-casein (βCS) has been investigated in presence of the cationic surfactant dodecyl trimethyl ammonium bromide (DoTAB) at the water/hexane interface and compared to that ...Read More
A number of neurotoxic chemicals induce accumulation of neurofilaments in axonal swellings that appear at varying distances from the cell body. This pathology is associated with axonal degeneration of...Read More
Influence of drying and cooking process on the phytochemical content, antioxidant and hypoglycaemic properties of two bell Capsicum annum L. cultivars.
The present study evaluates the influence of drying and cooking processes on the health properties of two bell Capsicum annuum L. cultivars Roggiano and Senise compared with fresh peppers. The content...Read More
Novel skeleton transformation reaction of α-pyrone derivatives to spirobicyclo[3.1.0]hexane derivatives using dimethylsulfoxonium methylide.
By applying a skeleton transformation reaction using dimethylsulfoxonium methylide, a novel reaction was identified by which 5,6,7,8-tetrahydrocoumarin with the electron-withdrawing group at C3 was le...Read More
Phytochemical and in vitro total antioxidant capacity analyses of peel extracts of different cultivars of Cucumis melo and Citrullus lanatus.
Context: Cucumis melo Linn. (Cucurbitaceae) and Citrullus lanatus Thunb. (Cucurbitaceae) are desert vegetables popular for their nutritional value and year round availability. The pulp and seeds of th...Read More
Chemical properties and oxidative stability of perilla oils obtained from roasted perilla seeds as affected by extraction methods.
The chemical properties and oxidative stability of perilla oils obtained from roasted perilla seeds as affected by extraction methods (supercritical carbon dioxide [SC-CO(2)], mechanical press, and so...Read More
Antiproliferative Activity of Flower Hexane Extract Obtained from Mentha spicata Associated with Mentha rotundifolia Against the MCF7, KB, and NIH/3T3 Cell Lines.
Abstract This study assessed the antiproliferative effect in vitro of the flower hexane extract obtained from Mentha spicata associated with Mentha rotundifolia against the human breast adenocarcino...Read More
A procedure was evaluated for the extraction of 16 free fatty acids (FFAs) from liver. Ultrasonic energy was used for the extraction and the variables affecting the extraction efficiency were investig...Read More
Anti-metastatic effects on B16F10 melanoma cells of extracts and two prenylated xanthones isolated from Maclura amboinensis Bl roots.
Inhibitory effects of Maclura amboinenesis Bl, one plant used traditionally for the treatment of cancers, on metastatic potential of highly metastatic B16F10 melanoma cells were investigated in vitro....Read More
Selective pressurised liquid extraction of halogenated pesticides and polychlorinated biphenyls from pine needles
Pine needles are an ideal matrix for the long-term monitoring of semi-volatile organic compounds in the atmosphere because they are naturally occurring and distributed worldwide. However, typical extr...Read More
Inhibitory effects of Olea ferruginea crude leaves extract against some bacterial and fungal pathogen.
This work aimed to evaluate the inhibitory effects of Olea ferruginea crude leaves extract that are commonly used as remedy to cure infections in the tribal (Khyber Agency) areas of Pakistan against s...Read More
Immunomodulatory Effects of Hexane Insoluble Fraction of Ficus septica Burm. F. in Doxorubicin-treated Rats.
The use of chemotherapeutics induces cardiotoxicity and affects immune functions, therefore development of combinatorial agents against cardiotoxicity and immunosuppression needs to be explored. Previ...Read More
Soot particles are ubiquitous in the atmosphere and have important climatic and health effects. The aging processes of soot during long-range transport result in variability in its morphology, microst...Read More
In vitro antimicrobial activity on clinical microbial strains and antioxidant properties of Artemisia parviflora.
Artemisia parviflora leaf extracts were evaluated for potential antimicrobial and antioxidant properties. Antimicrobial susceptibility assay was performed against ten standard reference bacterial stra...Read More
Hydrogen uptake at 298 K and 30 bar in hybrid sorbents consisting of n-hexane confined in MIL-101 is found to be 22 times larger than in sole n-hexane. The enhanced solubility in MIL-101, found to be ...Read More
Characterization and evolution of exposure to volatile organic compounds in the Spanish shoemaking industry over a 5-year period.
This study measured inhalation exposure to 13 volatile organic compounds (VOCs) among workers in the leatherwear industry in Spain, examined the changes in those exposures over a 5-year period, and do...Read More
A study was conducted to examine whether there are significant differences between organic vapor concentrations measured using charcoal tubes with three different configurations: uncovered sample hold...Read More
Distribution of pesticides in n-hexane/water and n-hexane/acetonitrile systems and estimation of possibilities of their extraction isolation and preconcentration from various matrices.
Distribution of 150 most widely used pesticides of different chemical classes (amides, anilinopirimidines, aromatics, benzenesulfonates, carbamates, dicarboximides, organophosphorus compounds, phenyl ...Read More
Elevated CO2 influences nematode-induced defense responses of tomato genotypes differing in the JA pathway.
Rising atmospheric CO(2) concentrations can affect the induced defense of plants against chewing herbivores but little is known about whether elevated CO(2) can change the induced defense of plants ag...Read More