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68 articles for “RP-HPLC”
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Research ArticleOpen accessIn the abstractMass Spectrometry/Mass Spectrometry Study on the Degradation of B-Aflatoxins in Maize with Aqueous Citric AcidA. Méndez-Albores, I. Nicolás-Vázquez, R. Miranda-Ruvalcaba, E. Moreno-MartÍnezDegradation of B-aflatoxins in maize by means of 1N aqueous citric acid was confirmed by the AFLATEST immunoaffinity column method, High Performance Liquid Chromatography (HPLC), tandem mass spectrometry (MS/MS) and computational information. The AFLATEST and HPLC assays showed that 96.7% degradation occurred in maize contaminated with 93 ng g-1 when treated with the aqueous citric acid. Two major products, produced … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 2 · 30 Jun 2008 · 8,054 accessesView PDFCite
Research ArticleOpen accessIn the abstractExtraction, Partial Identification and Bioactivities of Total Flavonoids from Carex meyeriana KunthHongbiao Wang, Penghui Wang, Xiudong Yang et al.To date, knowledge associated with extraction, chemical constituents and bioactivities of Total Flavonoids from Carex meyeriana Kunth (TFCMK) that remains unclear. Therefore, this paper was designed to optimize the ethanol reflux extraction method by response surface methodology and determine the chemical constituents by Liquid Phase-Mass Spectrometry (HPLC-MS); additionally, the bioactivities including antioxidant, antibacterial and hemolysis test were also explored. The … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 3 · 7 Aug 2019 · 7,525 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalytical Method Validation of Vilazodone with Spectrofluorimetric Detection in Rabbit PlasmaIrene Sartini, Marco Salvadori, Beata Łebkowska-Wieruszewska et al.Vilazodone (VLZ) is an antidepressant agent approved in 2011 by Food and Drug Administration (FDA) for the treatment of major depressive syndromes. Its chemical structure derives from trazodone which is used as an off-label drug for dogs and cats in order to induce sedation and reduce anxiety, behavioural and pre-and post-operative stress. VLZ could be a potentially useful compound in … …American Journal of Animal and Veterinary Sciences, Vol. 14, Issue 1 · 2 Apr 2019 · 7,744 accessesView PDFCite
InvestigationOpen accessIn the abstractMorphology, Anatomy, Chlorogenic Acid Content and Antioxidant Capacity of Xanthium strumarium L. and Xanthium spinosum L.Dinara Abdikhaliyevna Aldibekova, Murat Kizaibek, Mahaya Aisijiang et al.In this study, the morphological, anatomical features, chlorogenic acid content and antioxidant activities of two species from the genus Xanthium, namely Xanthium spinosum L. growing in the slopes of Mount Daubaba in the western part of the Talas Alatau of Tyulkibas region of the South Kazakhstan region and Xanthium strumarium L. growing in the slopes of the Alma-Arasan gorge of … …OnLine Journal of Biological Sciences, Vol. 18, Issue 2 · 23 May 2018 · 8,116 accessesView PDFCite
Research ArticleOpen accessIn the abstractOil and Fatty Acids in Seed of Eggplant (Solanum melongena L.) and Some Related and Unrelated Solanum SpeciesRobert Jarret, Irvin Levy, Thomas Potter, Steven CermakThe seed oil content of 305 genebank accessions of eggplant (Solanum melongena), five related species (S. aethiopicum L., S. incanum L., S. anguivi Lam., S. linnaeanum Hepper and P.M.L. Jaeger and S. macrocarpon L.) and 27 additional Solanums pecies, was determined by NMR. Eggplant (S. melongena) seed oil content varied from 17.2% (PI 63911317471) to 28.0% (GRIF 13962) with a … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 2 · 4 May 2016 · 8,499 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetermination of Abscisic Acid and its Relationship to Drought Stress Based on Cowpea Varieties with Different Capability of Drought ResistanceWei Lei, Shian Huang, Shaohu Tang et al.Cowpea (Vigna unguiculata L.) is one of the most important grain legume supplying necessarily dietary proteins. Although its can tolerate drought environment, still the severe condition can limit the growth and development of this plant. Abscisic acid (ABA) has a crucial function in stress physiology, but little information is available for methods describing ABA determination in cowpea and its relationship … …American Journal of Biochemistry and Biotechnology, Vol. 12, Issue 1 · 30 Mar 2016 · 8,464 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptimization of Microwave-Assisted Extraction of a Bioherbicide from Canavalia ensiformis LeavesDarlan Ferreira Silva, Eduardo Bessa Azevedo, Maria Olímpia Oliveira RezendeThe objective of this study was to optimize the operational conditions of the Microwave-Assisted Extraction (MAE) of Canavalia ensiformis leaves by Response Surface Methodology (RSM), based on analysis of phenolic compounds obtained from the aqueous extracts. Optimal conditions for MAE were temperature of 100°C, extraction time of 10 min and ramp of temperature of 5 min, using approximately 2 g … …American Journal of Environmental Sciences, Vol. 12, Issue 1 · 29 Feb 2016 · 7,617 accessesView PDFCite
Research ArticleOpen accessIn the abstractProduction and Characterization of Exopolysaccharide from Novel Bacillus sp. M3 and Evaluation on Development Sub-Chronic Aluminum Toxicity Induced Alzheimer’s Disease in Male RatsMohsen M.S. Asker, Abeer Y. Ibrahim, Manal G. Mahmoud, Saher S. MohamedThe number of patients suffering from Alzheimer’s Disease (AD) all over the world is rising continually and becomes one of the biggest challenges for most societies throughout the world. The potential of peripheral biochemical markers as complementary tools in the neuron-phsychiatric evaluation of these patients has claimed further attention. The aims of our study were to isolate the bacteria that … …American Journal of Biochemistry and Biotechnology, Vol. 11, Issue 2 · 31 May 2015 · 7,219 accessesView PDFCite
Research ArticleOpen accessIn the abstractBioactive Endophytic Actinomycetes of Cinnamomum sp.; Isolation, Identification, Activity Guided Purification and Process Optimization of Active MetaboliteSudipta Roy, Debdulal BanerjeeStudying on endophytic actinomycetes of Cinnamomum sp. from Indian rainforest, Cherapunji, one of our isolated strains designated as CH1 was found to produce significant antibacterial activity against test pathogens (Aeromonas caviae (ATCC 15468), Vibrio parahemolyticus ATCC 1782, Pseudomonas aeruginosa (ATCC 9027), Proteus vulgaris (ATCC 12453), Shigella flexnerii (ATCC 12022), Escherichia coli (human sample isolate), Bacillus subtilis (ATCC 11774) and Bacillus … …Current Research in Microbiology, Vol. 6, Issue 1 · 6 Apr 2015 · 9,063 accessesView PDFCite
Research ArticleOpen accessIn the abstractCOLORIMETRIC DETERMINATION OF CEFQUINOME SULPHATE IN BULK AND DOSAGE FORM USING AMMONIUM MOLYBDATEShaza Wageialla Shantier, Elrasheed Ahmed GadkariemThis study was designed to develop two colorimetric methods for the determination of Cefquinome Sulphate (CS) in bulk and dosage forms using two different concentrations of molybdenum solution. The developed methods were based on the oxidation of CS with 2% ammonium molybdate, in the presence of sulphuric acid, producing a green colored product with λmax at 409 nm (Method I) … …American Journal of Applied Sciences, Vol. 11, Issue 2 · 20 Dec 2013 · 7,058 accessesView PDFCite