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Xin-Guang Liu et al.
Journal of chromatography. A, 1388, 251-258 (2015-03-03)
Hydrolysis plays an important role in the metabolic transformations of lactones. Analysis of lactones and their hydrolyzed metabolites in biological samples is challenging, because unexpected hydrolysis or reversed dehydration may occur depending on the test environments. In this work, a
Iara Maíra de Oliveira Viana et al.
Journal of pharmaceutical and biomedical analysis, 96, 241-248 (2014-05-02)
In this study, a simple method using microextraction by packed sorbent and high-performance liquid chromatography with ultraviolet detection for simultaneous determination of chlorpropamide, gliclazide and glimepiride in human plasma was developed and validated. A fractional factorial design and a complete
Alberto Elías-Villalobos et al.
PLoS pathogens, 11(8), e1005134-e1005134 (2015-09-01)
Morphological changes are critical for host colonisation in plant pathogenic fungi. These changes occur at specific stages of their pathogenic cycle in response to environmental signals and are mediated by transcription factors, which act as master regulators. Histone deacetylases (HDACs)
R Shweikani et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 99, 168-171 (2015-03-17)
CR-39 solid-state nuclear track detectors (SSNTDs) were used to study the variations of fast neutron relative intensities around a high-energy (23MV) linear accelerator (Varian 21EX) photon beam. The variations were determined on the patient plane at 0, 50, 100, 150
Sung Ha Ryu et al.
Journal of toxicology and environmental health. Part A, 78(20), 1299-1309 (2015-10-31)
Red ginseng (RG) is one of the top selling herbal medicines in Korea, but is not recommended in hypertensive patients. In this study, the pharmacokinetic (PK) interaction between RG and losartan, an antihypertensive drug, was examined. RG was orally administered
Mary Beth Hall et al.
Journal of microbiological methods, 118, 147-151 (2015-09-22)
Microbial glycogen measurement is used to account for fates of carbohydrate substrates. It is commonly applied to washed cells or pure cultures which can be accurately subsampled, allowing the use of smaller sample sizes. However, the nonhomogeneous fermentation pellets produced
Hongmei Chen et al.
Dalton transactions (Cambridge, England : 2003), 44(29), 13030-13039 (2015-06-24)
Separation of photo-generated charges has played a crucial role in controlling the actual performance of a photocatalytic system. Here we have successfully fabricated g-C3N4/TiO2-B nanowire/tube heterostructures through facile urea degradation reactions. Owing to the effective separation of photo-generated charges associated
Sebastian Höss et al.
Environmental toxicology and chemistry, 34(11), 2660-2669 (2015-06-03)
The use of colloidal iron oxide (FeOx) in the bioremediation of groundwater contamination implies its increasing release into the environment and requires an assessment of its ecotoxicological risk. Therefore, microcosm experiments were carried out to investigate the impact of ferrihydrite
Rokhsana Yasmin et al.
Journal of pharmaceutical sciences, 103(9), 2950-2959 (2014-03-04)
Lyophilization was investigated to produce a powdery silica-lipid hybrid (SLH) carrier for oral delivery of poorly water-soluble drugs. The silica to lipid ratio, incorporation of cryoprotectant, and lipid loading level were investigated as performance indicators for lyophilized SLH carriers. Celecoxib
M Argun et al.
Eye (London, England), 28(6), 752-760 (2014-03-08)
Under conditions of oxidative stress, cell apoptosis is triggered through the mitochondrial intrinsic pathway. Increased levels of reactive oxygen species (ROS) are linked to excess cell loss and mediate the initiation of apoptosis in a diverse range of cell types.
Marcos Tascon et al.
Analytical and bioanalytical chemistry, 407(13), 3637-3645 (2015-03-10)
The use of algae as a foodstuff is rapidly expanding worldwide from the East Asian countries, where they are also used for medical care. Harmala alkaloids (HAlk) are a family of bioactive compounds found in the extracts of some plants
Dietmar Reusch et al.
mAbs, 7(1), 167-179 (2014-12-20)
Immunoglobulin G (IgG) crystallizable fragment (Fc) glycosylation is crucial for antibody effector functions, such as antibody-dependent cell-mediated cytotoxicity, and for their pharmacokinetic and pharmacodynamics behavior. To monitor the Fc-glycosylation in bioprocess development, as well as product characterization and release analytics
Davy Baudelet et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 986-987, 35-43 (2015-02-24)
The P2X receptors are seven-transmembrane domain G protein-coupled receptors and the 7 subtypes of P2X receptors identified in humans, and named P2X1 to P2X7, are channel receptors whose endogenous ligand is ATP. New antagonists of the P2X7 receptor were developed
Lucy G Chastain et al.
Behavioural brain research, 280, 160-171 (2014-12-03)
Schizophrenia is thought to be caused, at least in part, by dysfunction in striatal dopamine neurotransmission. Both clinical studies and animal research have implicated the dopamine neuromodulator neurotensin (NT) in the pathophysiology of schizophrenia. Utilizing male mice lacking the NT
S Beloica et al.
Die Pharmazie, 70(7), 458-465 (2015-09-17)
The integrated in vitro--in silico--in vivo approach has emerged into a biopharmaceutical toolkit that could accelerate drug development and improve drug product clinical performance in patients. In the present study, the influence of physiologically based media and dynamic dissolution testing
Luciana S Rocha et al.
Analytical chemistry, 87(12), 6071-6078 (2015-05-21)
Ex situ plated Bi film electrodes (Bi-FE) have been employed, for the first time, to measure the free concentration of Pb(II) in aqueous solutions using absence of gradients and Nernstian equilibrium stripping (AGNES) with stripping chronopotentiometry (SCP) quantification. The amount
R Novaković et al.
Molecular human reproduction, 21(6), 545-551 (2015-03-10)
The ideal agent for prevention and treatment of uterine abnormal contractility has not been found. The polyphenol resveratrol possesses a wide spectrum of pharmacologic properties, but its influence on the contractility of human myometrium is not defined. The present study
Xiaoping Su et al.
Cancer research, 75(14), 2875-2885 (2015-06-13)
microRNA (miRNA) dysregulation is involved in the development and progression of various human cancers, including hepatocellular carcinoma (HCC). However, how to identify the miRNAs targeting specific mRNA in cells is a significant challenge because of the interaction complexity and the
Pamela Maher et al.
Neurochemical research, 40(3), 609-620 (2015-01-07)
There is growing evidence for alterations in iron homeostasis during aging that are exacerbated in neurodegenerative diseases such as Alzheimer's disease. However, since essentially all neurodegenerative diseases are multi-factorial in the sense that there are a large number of mechanisms
Seokyung Kang et al.
ACS nano, 9(10), 9678-9690 (2015-09-09)
Gold nanoparticles (AuNPs) have been extensively studied for photothermal cancer therapy because AuNPs can generate heat upon near-infrared irradiation. However, improving their tumor-targeting efficiency and optimizing the nanoparticle size for maximizing the photothermal effect remain challenging. We demonstrate that mesenchymal
Ali Es-Haghi et al.
Talanta, 128, 231-236 (2014-07-26)
Sol-gel based solid-phase microextraction fibers supported by a stainless steel wire were fabricated and employed for GC-MS determination of oxadiargyl in real samples. The fibers were based on four compounds with different polarity: polar and non-polar (end-capped) poly(dimethylsiloxane) (PDMS), polyethylene
Mandana Ghisari et al.
Toxicology and applied pharmacology, 284(3), 292-303 (2015-02-17)
Evidence suggest that exposure to pesticides can interfere with the endocrine system by multiple mechanisms. The endocrine disrupting potential of currently used pesticides in Denmark was analyzed as single compounds and in an equimolar mixture of 5 selected pesticides. The
Shubin Yang et al.
Marine drugs, 13(5), 3116-3131 (2015-05-27)
In order to explore the effect of -OH functional groups in Cs+ adsorption, we herein used the low temperature plasma-induced grafting method to graft chitosan onto carbon nanotubes (denoted as CTS-g-CNTs), as raw-CNTs have few functional groups and chitosan has
Sampa Maiti et al.
Talanta, 141, 116-121 (2015-05-13)
A new, simple, rapid and selective spectrophotometric method has been developed for detection and estimation of butanol in fermentation broth. The red colored compound, produced during reduction of diquat-dibromide-monohydrate with 2-mercaptoethanol in aqueous solution at high pH (>13), becomes purple
D De Miguel et al.
Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico, 17(8), 657-667 (2015-05-15)
Human Apo2-Ligand/TRAIL secreted by natural killer cells and cytotoxic T lymphocytes plays an important role immunosurveillance controlling tumor growth and metastasis. Moreover, the fact that Apo2L/TRAIL is capable of inducing cell death in tumor cells but not in normal cells
C Berger et al.
Human reproduction (Oxford, England), 30(4), 800-811 (2015-03-06)
Does ulipristal acetate (UPA) used for emergency contraception (EC) interfere with the human embryo implantation process? UPA, at the dosage used for EC, does not affect human embryo implantation process, in vitro. A single pre-ovulatory dose of UPA (30 mg)
Venkata V V R Marada et al.
Pharmacological research, 91, 78-87 (2014-12-08)
The ability of an antineoplastic drug to exert its cytostatic effect depends largely on the balance between its uptake into and extrusion from the cancer cells. ATP driven efflux transporter proteins drive the export of antineoplastic drugs and play a
Nor Akma Mamat et al.
Journal of chromatography. A, 1406, 34-39 (2015-07-05)
In this work, a new variation of the electromembrane extraction (EME) approach employing a hollow polymer inclusion membrane (HPIM) was developed. In this method, a HPIM was prepared by casting a solution of the desired proportions of cellulose acetate (CTA)
Quan Chi et al.
Luminescence : the journal of biological and chemical luminescence, 30(7), 990-995 (2015-02-03)
The chemiluminescence (CL) of lucigenin (Luc(2+)) can be enhanced by different alcohols in alkaline solution. The effect of different fatty alcohols on the CL of lucigenin was related to the carbon chain length and the number of hydroxyl groups. Glycerol
Line Hagner Nielsen et al.
Drug delivery and translational research, 4(3), 268-274 (2015-03-20)
Amorphous indomethacin was prepared by melting the γ-form of indomethacin, spatially confined within microcontainers (inner diameter of 223 μm), followed by cooling of the melt at a rate of 14, 23 or 36 K/min. The physical stability of the amorphous indomethacin within
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