Plasma-mass spectrometry
Assessment Of Fourteen Elemental Impurities In Doxapram Hydrochloride Drug Using Inductively Coupled Plasma Mass Spectrometry
... Abstract: The existence of elemental impurities in samples of pharmaceutical substances is a concern, not just due to significant toxic ity, and also due to the possible impact on drug stability, shelf - life, or ...
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Fundamental Studies of Femtosecond Laser Interactions with Solids and Their Applications to Laser Ablation Inductively Coupled Plasma Mass Spectrometry for Environmental Analysis
... coupled plasma mass spectrometry (ICP- MS) has gained wide acceptance in elemental and isotopic analysis of a wide range of matrices [1-8] ...
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GAS CHROMATOGRAPHY MASS SPECTROMETRY ANALYSIS, INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY INVESTIGATION, AND ANTIMICROBIAL SCREENING OF CAESALPINIA BONDUCELLA (L ) ROXB SEED KERNEL
... Methods: In GC-MS investigation, 95% methanol extract of C. bonducella seed kernel was performed on JEOL GC MATE ΙΙ, column HP 5 MS, and Quadruple, double-focusing mass analyzer. Determination of heavy metals from ...
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Direct Determination of Rare Earth Elements by ICP-MS after Fluoride Fusion –Application to Bauxite
... coupled plasma mass spectrometry (ICP-MS), after complete dissolution of the samples by fusion with a mixture of sodium flouride- potassium bi-fluoride salts (KHF 2 -NaF) in 3:1 ...
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Senecio Conrathii N.E.Br. (Asteraceae), a New Hyperaccumulator of Nickel from Serpentinite Outcrops of the Barberton Greenstone Belt, South Africa
... The samples were analysed with Inductively Coupled Plasma–mass Spectrometry (Agilent 7500) for soluble trace metals. The total trace metal concentration of the soil [r] ...
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Powers_HonorsThesisFinal_.docx
... restaurants. Additionally, water purification methods such as Brita water filters and boiling are also available options. With countless choices at hand, and little information available on quality, health-conscious ...
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Vol 1, No 6 (2012)
... coupled plasma- mass spectrometry (ICP-MS) to obtain the extract content of the concerned metals, both before and after extraction with the halogen-free ionic ...
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A REVIEW ON APPLICATION OF HYPHENATED FLOW INJECTION SYSTEM FOR DETERMINATION OF HEAVY METAL IONS IN WATER SAMPLES
... coupled plasma gas plasma provides a very high temperature excitation source for atomic ...coupled plasma (ICP) spectrometer are similar to FAAS system in its sample introduction ...couples ...
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Determination of mercury species in foodstuffs using LC ICP MS: the applicability and limitations of the method
... As a global contaminant, mercury enters the food chain in both inorganic and organic chemical forms. In aquatic ecosystems, the concentrations of mercury in biota – compared to the concentration in water – are ...
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Intermobility of barium, strontium, and lead in chloride and sulfate leach solutions
... ion mass spectrometry (NanoSIMS) isotopic spatial distribution maps and laser ablation inductively coupled-plasma mass spectrometry transects were performed on laboratory-grown crystals ...
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ANALYTICAL METHOD DEVELOPMENT AND VALIDATION OF AMLODIPINE IN HUMAN PLASMA USING LIQUID CHROMATOGRAPHY MASS SPECTROMETRY/MASS SPECTROMETRY
... Amlodipine is a dihydropyridine derivative calcium antagonist (Calcium ion antagonist or slow channel blocker) that inhibits the transmembrane inflow of calcium ions into vascular smooth muscle and cardiac muscle. After ...
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Mass determination of major plasma proteins by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry
... Analyses were performed with an Ultraflex TOF mass spectrometer (Bruker Daltonics) in a linear positive ion mode similar to previously described analyses (12). Specimens were analyzed with two programs of ...
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Liquid Chromatography Tandem Mass Spectrometry Method for Determination of Domperidone in Human Plasma
... Domperidone (assay 99.37%) and Atorvastatin (assay 99.40 %) were provided by pharma international (Amman – Jordan). Formic acid, methanol, tert-butylmethyl ether, acetonitrile and deionized water (HPLC grade solvent) ...
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Characterization of the microheterogeneity of transthyretin in plasma and urine using SELDI-TOF-MS immunoassay
... in plasma and urine [13-15]. As in these studies, TTR in plasma was dominant in two ...in plasma of humans with hyperhomocysteinemia ...in plasma are present in ...
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Characterisation of a micro-plasma for ambient mass spectrometry imaging
... Fig. 2a displays the variation in negative TIC and intensity of the ion located at m/z 297 from PTFE for 56 – 20 µm diameter capillaries. An intermittent and unstable ion signal was observed for capillaries with ...
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Screening freshness of seafood by measuring trimethylamine (TMA) levels using helium-plasma ionization mass spectrometry (HePI-MS)
... Prior to analysis, each Eppendorf tube containing a sample was opened and attached to the inner side of the ion-source glass cover. Mass spectra were acquired ( m/z 25–200) at a rate of 2 scans per second, and the ...
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Mass spectrometry assays of plasma biomarkers to predict radiographic progression of knee osteoarthritis
... developed plasma-based, mass spectrom- etry assays to detect peptides representative of proteins we identified as differentially expressed in OA versus normal synovial fluid ...in plasma were also ...
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Applications of Mass Spectrometry to Analysis of Prodiginines, Bioactivated Methylenedianiline Intermediates, and Hypoxia Induced Changes in the Zebrafish Skeletal Muscle Proteome
... The fragmentation behavior in positive mode electrospray mass spectrometry of three representative members of prodiginines which share the same pyrrolydipyrrolylmethene skeleton has been investigated. Two ...
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Development and Validation of Liquid Chromatography-Mass Spectrometry Method for the Estimation ofRifampicin in Plasma
... A selective, rapid and sensitive liquid chromatography-mass spectrometry method was developed for the quantitative estimation of rifampicin in plasma. With phenacetin as internal standard, sample ...
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Plasma metabolomic profiling of amino acids and polar lipids in Iranian obese adults
... FB. Plasma ceramides, mediterranean diet, and incident cardiovascular disease in the PREDIMED trial (Prevención con Dieta ...the plasma of overweight subjects in response to mild weight loss: a randomized, ...
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