Showing 1-30 of 481 results for "516961"
Ji Ye Lee et al.
Bioresource technology, 132, 84-90 (2013-02-12)
The objective of this work was to investigate the feasibility of acid-catalyzed hydrothermal fractionation for maximum solubilization of the hemicellulosic portion of three agricultural residues. The fractionation conditions converted into combined severity factor (CS) in the range of 1.2-2.9. The...
Sabrina D Lamour et al.
PLoS neglected tropical diseases, 9(10), e0004200-e0004200 (2015-10-28)
Human African trypanosomiasis (HAT) remains a major neglected tropical disease in Sub-Saharan Africa. As clinical symptoms are usually non-specific, new diagnostic and prognostic markers are urgently needed to enhance the number of identified cases and optimise treatment. This is particularly...
Jae Won Lee et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 966, 193-199 (2014-02-21)
In this study, supercritical fluid chromatography (SFC) coupled with triple quadrupole mass spectrometry was applied to the profiling of several regioisomeric triacylglycerols (TAGs). SFC conditions (column, flow rate, modifier) were optimized for the effective separation of TAGs. In the column...
Prem K Gupta et al.
Drug metabolism and disposition: the biological fate of chemicals, 43(4), 534-552 (2015-01-23)
The disposition and metabolism of hydrastine was investigated in 11 healthy subjects following an oral dose of 2.7 g of goldenseal supplement containing 78 mg of hydrastine. Serial blood samples were collected for 48 hours, and urine was collected for...
Michael Lever et al.
Cardiovascular drugs and therapy, 28(5), 459-468 (2014-07-26)
Betaine deficiency is a probable cardiovascular risk factor and a cause of elevated homocysteine. Urinary betaine excretion is increased by fibrate treatment, and is also often elevated in diabetes. Does fibrate further increase betaine excretion in diabetes, and does it...
Teresa Demuth et al.
The Analyst, 145(20), 6691-6704 (2020-08-20)
Owing to the strong structure-function relationship of polysaccharides, the targeted modification of polysaccharides is attracting widespread interest in various fields, such as food industry, nutritional science, and biomedical research. Apart from intended functionalization, polysaccharide degradation mediated by hydroxyl radicals (HO˙)...
Cristina Díez et al.
Analytica chimica acta, 882, 127-139 (2015-06-05)
In this study, fourteen highly polar aminoglycoside (AGs) antibiotics were selected. Various stationary phases were tested, including Obelisc R, ZIC-HILIC, BEH amide and aminopropyl. The nature of the stationary phase, mobile phase (water or buffer solutions and acetonitrile), pH (percentage...
Shubo Dong et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 33(3), 293-298 (2017-03-18)
A sensitive non-derivatization method for the determination of the highly polar compound 3-aminopiperidine was developed using a mixed-mode column combined with a charged aerosol detector (CAD). Chromatographic conditions, including the type of detector, separation mode, and mobile phase composition, were...
Diane E Cole et al.
Cancer chemotherapy and pharmacology, 75(5), 923-928 (2015-03-06)
Central nervous system tumors are histologically and biologically heterogeneous. Standard treatment for malignant tumors includes surgery, radiation and chemotherapy, yet surgical resection is not always an option and chemotherapeutic agents have limited benefit. Recent investigations have focused on molecularly targeted...
Maureen Hummel et al.
Journal of proteomics, 128, 436-449 (2015-08-02)
Arabidopsis thaliana cytosolic ribosomes are large complexes containing eighty-one distinct ribosomal proteins (r-proteins), four ribosomal RNAs (rRNA) and a plethora of associated (non-ribosomal) proteins. In plants, r-proteins of cytosolic ribosomes are each encoded by two to seven different expressed and...
Jésus Raya et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 227, 93-102 (2013-01-15)
A simple multiple-contact cross-polarization (CP) scheme is applied to a powder sample of ferrocene and β-calcium formate under static and magic-angle spinning (MAS) conditions. The method is described analytically through the density matrix formalism. We show that multiple equilibrations-re-equilibrations with...
Islam Amine Larabi et al.
Journal of analytical toxicology, 39(9), 720-725 (2015-09-06)
A liquid chromatography-MS-MS turbulent flow on-line extraction method was developed for the determination of trimebutine (TMB) and its main active metabolite N-mono-desmethyltrimebutine (nortrimebutine or nor-TMB) in human plasma. After protein precipitation and internal standard (IS, haloperidol-d4) addition, 50 µL of...
Sifei Han et al.
Pharmaceutical research, 32(5), 1830-1844 (2014-12-03)
Recent studies have demonstrated the potential for a triglyceride (TG) mimetic prodrug to promote the delivery of mycophenolic acid (MPA) to the lymphatic system. Here, the metabolic pathways that facilitate the lymphatic transport of the TG prodrug (1,3-dipalmitoyl-2-mycophenoloyl glycerol, 2-MPA-TG)...
Ramesh Boinpally et al.
Clinical therapeutics, 36(11), 1638-1649 (2014-09-23)
Vilazodone is a serotonin reuptake inhibitor and 5-HT1A partial agonist approved for the treatment of major depressive disorder in adults. Vilazodone seems to be metabolized primarily by the cytochrome P-450 (CYP) 3A4 isozyme and non-CYP-mediated pathways; concomitant use of drugs...
Weronika Hewelt-Belka et al.
Journal of chromatography. A, 1362, 62-74 (2014-08-28)
Staphylococcus aureus is a common pathogen known to cause relatively minor infections as well as severe disorders in humans. Although there is fair amount of published data concerning various aspects of its biology, epidemiology, genetics, etc., there is still a...
Ying Zhou et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 976-977, 78-83 (2014-12-09)
A robust and validated method based on ultra-performance liquid chromatography coupled with tandem mass spectrometry (UPLC-MS/MS) has been developed for the simultaneous determination of remimazolam, which is a new chemical entity, and its major carboxylic acid metabolite (M1) in human...
Di Bei et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 978-979, 11-17 (2014-12-23)
5,7-Dimethoxyflavone (5,7-DMF), a natural flavonoid abundant in many plants, has been reported to have many beneficial pharmacological effects, including strong chemopreventive and chemosensitizing properties, anti-oxidant, cardiovascular protectant, and anti-inflammatory activities. However, to date 5,7-DMF was evaluated mainly in vitro and...
Aleksander Salwiński et al.
Rapid communications in mass spectrometry : RCM, 28(18), 1957-1963 (2014-08-19)
Tyrosinase-coupled magnetic particles (EMPs) were used to demonstrate that resorcinol-containing tyrosinase inhibitors are oxidised by tyrosinase only in the presence of the enzyme's classic substrate. This shows the potential for the application of EMPs as a non-organic matrix for monitoring...
Aljona Saleh et al.
Journal of pharmaceutical and biomedical analysis, 104, 1-11 (2014-12-03)
MTH1 is a protein that is required for cancer cell survival and is overexpressed in cancer cells. TH588 and TH287 are two new compounds that inhibit the MTH1 protein. The inhibitors were tested in pharmacokinetic studies on mice. A bioanalytical...
C Esteve et al.
Talanta, 146, 326-334 (2015-12-24)
A rapid and sensitive analytical method for the simultaneous determination of thirteen endocrine disruptors (five phthalates, seven parabens, and bisphenol A) in a single chromatographic run has been developed for the first time. The separation method, based on ultra-high performance...
Zsolt Bodai et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 32(8), 1358-1366 (2015-06-10)
Migration of Tinuvin P (UV stabiliser) and Irganox 3114 (antioxidant) from high-density polyethylene (HDPE) was studied. HDPE pieces were soaked in either milk (1.5% or 3.5% fat content) or 50% (v/v) ethanol-water mixture - the food simulant for milk as...
Andrew J S Hanneman et al.
Journal of pharmaceutical sciences, 103(2), 400-408 (2013-12-05)
Glycosylation is a critical parameter used to evaluate protein quality and consistency. N-linked glycan profiling is fundamental to the support of biotherapeutic protein manufacturing from early stage process development through drug product commercialization. Sialylated glycans impact the serum half-life of...
Jihye Kim et al.
Analytical and bioanalytical chemistry, 407(29), 8745-8752 (2015-09-26)
Single-drop microextraction (SDME) was in-line coupled with capillary electrophoresis-mass spectrometry to provide sample cleanup and enrichment simultaneously. Since there is no outlet vial in a conventional capillary electrophoresis-electrospray ionization-mass spectrometry (CE-ESI-MS) configuration, it is not easy to hang a single...
Yun Kyoung Choi et al.
Journal of chromatographic science, 52(8), 886-893 (2013-09-12)
A sensitive and rapid method for quantitation of bepotastine in human plasma has been established using ultra performance liquid chromatography-electrospray ionization tandem mass spectrometry (UPLC-ESI-MS/MS). Valsartan was used as an internal standard. Bepotastine and internal standard in plasma sample were...
Gordon C C Yang et al.
Journal of hazardous materials, 277, 53-61 (2014-04-08)
This study monitored the occurrence and removal efficiencies of 8 phthalate esters (PAEs) and 13 pharmaceuticals present in the drinking water of Kaohsiung City, Taiwan. The simultaneous electrocoagulation and electrofiltration (EC/EF) process was used to remove the contaminants. To this...
Hong-Wei Dong et al.
Biotechnology and bioengineering, 110(9), 2395-2404 (2013-03-12)
Toxic compounds, such as formic acid, furfural, and hydroxymethylfurfural (HMF) generated during pretreatment of corn stover (CS) at high temperature and low pH, inhibit growth of Zymomonas mobilis and lower the conversion efficiency of CS to biofuel and other products....
Rubén del Barrio-Galán et al.
Journal of the science of food and agriculture, 95(10), 2132-2144 (2014-09-27)
The objective of this work was to study the effect of two Saccharomyces cerevisiae yeast strains with different capabilities of polysaccharide liberation during alcoholic fermentation in addition to subsequent aging on lees with or without oak wood chips as well...
Zhou Lu et al.
Journal of chromatography. A, 1620, 461004-461004 (2020-03-08)
In the present study, a fast multiresidue method determining three novel fungicides fenpicoxamid, isofetamid, and mandestrobin in cereals was developed and validated for the first time using ultrahigh-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS). Samples were extracted by...
Xiao-Jia Ni et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 960, 247-252 (2014-05-20)
The rapid, sensitive, and selective liquid chromatography-electrospray ionization-tandem mass spectrometry method (LC-ESI-MS/MS) for the simultaneous estimation and pharmacokinetic investigation of glimepiride and pioglitazone in human plasma has been developed and fully validated. Glimepiride and pioglitazone, compounds which exert synergistic effects...
Le-Yue Du et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1006, 130-137 (2015-11-10)
Nucleotides, nucleosides and nucleobases have been proven as important bioactive compounds related to many physiological processes. Abelmoschus manihot (L.) Medicus from the family of Malvaceae is an annual herbal plant of folk medicine widely distributed in Oceania and Asia. However...

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