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Tara Man Kadayat et al.
Bioorganic & medicinal chemistry, 23(1), 160-173 (2014-12-08)
For the development of potential anticancer agents, we designed and synthesized 30 new 2,4-diaryl-5H-indeno[1,2-b]pyridine derivatives containing aryl moiety such as furyl, thienyl, pyridyl, and phenyl at 2- and 4-position of 5H-indeno[1,2-b]pyridine. They were evaluated for topoisomerase I and II inhibitory
J L Ordóñez et al.
Food chemistry, 178, 221-228 (2015-02-24)
This paper studies the amino acid profile of beverages obtained through the fermentation of strawberry purée by a surface culture using three strains belonging to different acetic acid bacteria species (one of Gluconobacter japonicus, one of Gluconobacter oxydans and one
James M Starr et al.
Toxicology, 320, 15-24 (2014-03-19)
National surveys of United States households and child care centers have demonstrated that pyrethroids are widely distributed in indoor habited dwellings and this suggests that co-exposure to multiple pyrethroids occurs in nonoccupational settings. The purpose of this research was to
Keun-Hong Kim et al.
Acta biochimica et biophysica Sinica, 46(6), 441-449 (2014-04-20)
Lung cancer is the most common cancer and the leading cause of cancer-related deaths. Panax ginseng has long been used to treat cancer and other diseases worldwide. Most of the pharmacological actions of ginseng are attributed to a variety of
Berta Cillero-Pastor et al.
Analytical and bioanalytical chemistry, 407(8), 2213-2222 (2014-12-17)
The remodeling of the synovial membrane, which normally lubricates the joints by producing synovial fluid, is one of the most characteristic events in the pathology of osteoarthritis (OA). The heterogeneity and spatial distribution of proteins in the synovial membrane are
Katarina Hostanska et al.
The Journal of pharmacy and pharmacology, 66(11), 1606-1614 (2014-09-02)
Extracts of the tubers of Harpagophytum procumbens (devil's claw, DC) inhibit different proinflammatory mediators important in the pathophysiology of osteoarthritis. Many plant-derived preparations interfere with cytochrome P450 liver enzymes, which influence their different biological activities. Therefore, the present study was
Ramprasad Kandavar et al.
Journal of clinical hypertension (Greenwich, Conn.), 17(1), 14-19 (2014-12-17)
Prehypertension is an important phenotype for cardiovascular risk and development of established hypertension. To better understand the early circulatory changes in this group, the authors studied 34 patients with prehypertension (blood pressure 120-139/80-89 mm Hg) using digital plethysmography for measurement
Joao N Dos Santos Pereira et al.
The AAPS journal, 16(6), 1247-1258 (2014-08-27)
Variations in influx transport at the blood-brain barrier might affect the concentration of psychotropic drugs at their site of action and as a consequence might alter therapy response. Furthermore, influx transporters in organs such as the gut, liver and kidney
Xiyu Ouyang et al.
Journal of chromatography. A, 1380, 139-145 (2015-01-13)
For the first time a comprehensive two-dimensional liquid chromatography (LC×LC) system coupled with a high resolution time-of-flight mass spectrometer (HR-ToF MS) was developed and applied for analysis of emerging toxicants in wastewater effluent. The system was optimized and validated using
Jing Cao et al.
Small (Weinheim an der Bergstrasse, Germany), 10(24), 5126-5136 (2014-08-08)
Loading and release mechanisms of Red clover necrotic mosaicvirus (RCNMV) derived plant viral nanoparticle (PVN) are shown for controlled delivery of the anticancer drug, doxorubicin (Dox). Previous studies demonstrate that RCNMV's structure and unique response to divalent cation depletion and
Zhao-Yun Cao et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 976-977, 19-26 (2014-12-02)
Analysis of biothiols is still problematic, due to their high polarity, oxidation sensitivity and time-consuming sample preparation. In this paper, a direct, rapid and sensitive method was developed for simultaneous quantification of unbound cysteine (Cys), glutathione (GSH) and phytochelatins (PCs)
Amrit Poudel et al.
Journal of chromatographic science, 52(2), 176-185 (2013-02-14)
A specific and reliable ultra-performance liquid chromatography-diode array detection method has been developed and validated for the quantitative assessment of a traditional Oriental herbal formulation, Samhwangsasim-tang (SST). A Halo reversed-phase amide column (2.7 µm, 4.6 × 150 mm) was used
Daniel Zewge et al.
Bioconjugate chemistry, 25(12), 2222-2232 (2014-11-15)
Chemical modification of siRNA is achieved in a high-throughput manner (96-well plate format) by copper catalyzed azide-alkyne cycloadditions. This transformation can be performed in one synthetic operation at up to four positions with complete specificity, good yield, and acceptable purity.
Yan-xu Chang et al.
PloS one, 9(9), e106254-e106254 (2014-09-03)
A sensitive on-line DPPH-CE-DAD method was developed and validated for both screening and determining the concentration of seven antioxidants of Reduning injection. The pH and concentrations of buffer solution, SDS, β-CD and organic modifier were studied for the detection of
Chen-Ching Yuan et al.
Archives of biochemistry and biophysics, 568, 16-27 (2015-01-21)
The flight muscles (DLM1) of the Hawkmoth, Manduca sexta are synchronous, requiring a neural spike for each contraction. Stress/strain curves of skinned DLM1 showed hysteresis indicating the presence of titin-like elastic proteins. Projectin and kettin are titin-like proteins previously identified
Ping Du et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 967, 28-35 (2014-07-27)
Docetaxel lipid microsphere (DT-LM) is a novel formulation of docetaxel without Tween-80. A sensitive, robust and reproducible ultrafiltration (UF) followed by UPLC-MS/MS method was developed and validated for the quantification of unbound docetaxel in human plasma using paclitaxel as IS.
Morten S Opstrup et al.
Contact dermatitis, 72(1), 55-58 (2014-09-12)
Chlorhexidine may cause type I and type IV allergy. Some chlorhexidine-allergic individuals have been exposed in the healthcare setting as patients or healthcare workers, but for others the source of sensitization is unknown. Chlorhexidine may be used as a preservative
François Versace et al.
Bioanalysis, 6(15), 2043-2055 (2014-10-18)
Direct-infusion ESI-MS/MS is a powerful approach for the identification of substances in complex mixtures. The aim of this work was to investigate its applicability to the toxicological screening of blood samples. A simple protein precipitation was used, followed by a
Antonina Gucciardi et al.
Biomedical chromatography : BMC, 28(8), 1131-1139 (2014-01-23)
Lysosomal storage disorders comprise a group of rare genetic diseases in which a deficit of specific hydrolases leads to the storage of undegraded substrates in lysosomes. Impaired enzyme activities can be assessed by MS/MS quantification of the reaction products obtained
Yadollah Yamini et al.
Journal of separation science, 37(17), 2364-2371 (2014-06-26)
A new type of liquid-phase microextraction based on two immiscible organic solvents was optimized and validated for the quantification of lidocaine, ketamine, and cocaine in human urine samples. A hollow-fiber based microextraction technique followed by gas chromatography coupled with mass
Andrea Speltini et al.
Journal of chromatography. A, 1379, 9-15 (2015-01-07)
This work presents a novel analytical method based on graphene for the determination of five widely used fluoroquinolones (FQs) in aqueous matrices. The procedure entails solid-phase extraction (SPE) on graphene-derivatized silica (200mg), followed by liquid chromatography with fluorescence detection. Monolayer
M Corzo-Martínez et al.
Pharmaceutical research, 32(3), 1055-1071 (2014-10-02)
The aim of this work was to develop a milk-based powder formulation appropriate for pediatric delivery of ritonavir (RIT). Ultra-high pressure homogenization (UHPH) at 0.1, 300 and 500 MPa was used to process a dispersion of pasteurized skim milk (SM)
Knut Fredrik Seip et al.
Journal of chromatography. A, 1347, 1-7 (2014-05-06)
Electromembrane extraction (EME) was performed on samples containing substantial amounts of NaCl to investigate how the presence of salts affected the recovery, repeatability, and membrane current in the extraction system. A group of 17 non-polar basic drugs with various physical
Iwona Kowalska et al.
Journal of agricultural and food chemistry, 62(46), 11200-11208 (2014-10-31)
Fourteen phenolic compounds (flavonoids and phenolic acids) were isolated and 19 were identified in the aerial parts of Triticum aestivum L. The structures of these compounds were established on the basis of the data obtained by electrospray ionization-mass spectrometry (ESI-MS)
Zita Pöstényi et al.
Journal of pharmaceutical and biomedical analysis, 102, 529-534 (2014-12-03)
Validated HPLC analysis was developed in order to monitor the level of 4-fluorodeprenyl in rats. Male Wistar rats were intraperitoneally treated with 30 mg/kg of (-)-4-fluorodeprenyl. The rats were sacrificed after 5, 15, 30 and 60 min of treatment, and
Scott Boitano et al.
PloS one, 9(6), e99140-e99140 (2014-06-14)
Protease-activated receptor-2 (PAR2) is a G-Protein Coupled Receptor (GPCR) activated by proteolytic cleavage to expose an attached, tethered ligand (SLIGRL). We evaluated the ability for lipid-tethered-peptidomimetics to activate PAR2 with in vitro physiological and Ca2+ signaling assays to determine minimal
Yongfang Yuan et al.
Journal of ethnopharmacology, 163, 31-38 (2015-01-18)
Asiatic acid is one of the main components in the herb Centella asiatica, which is a well-known herbal medicine for its excellent pharmacological effects. To enhance the development potentials of asiatic acid as a chemopreventative agent, there is a great
Elena Marangon et al.
PloS one, 10(2), e0118194-e0118194 (2015-02-18)
Irinotecan is currently used in several cancer regimens mainly in colorectal cancer (CRC). This drug has a narrow therapeutic range and treatment can lead to side effects, mainly neutropenia and diarrhea, frequently requiring discontinuing or lowering the drug dose. A
B W Sykes et al.
Journal of veterinary pharmacology and therapeutics, 38(2), 130-136 (2014-10-02)
The objectives were to document the pharmacokinetics of intravenous, enteric-coated oral and plain oral omeprazole in fasted horses and to investigate the impact of feeding on the bioavailability of an enteric-coated omeprazole. Twelve horses received four treatments: intravenous omeprazole (0.5 mg/kg)
Xiaoqiang Chen et al.
Environmental science and pollution research international, 22(4), 2788-2799 (2014-09-12)
Although bisphenol A (BPA), a representative endocrine-disrupting compound, has been detected frequently in landfill leachate, effective technologies for BPA removal from landfill leachates are limited. We used high silica Y-type zeolite (HSZ-385) for the selective adsorption of BPA from landfill
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