11 inductively coupled plasma mass spectrometry
Water quality application of inductively coupled plasma mass spectrometry (ICP MS) part 2 determination of 62 elements
... Applications of inductively coupled plasma mass spectrometry Blackie & Son Ltd., London (1989) [5] JARVIS, K.E GRAY, A.L and HOUK, R.S Handbook of inductively coupled plasma mass spectrometry, Blackie, ... [6] MONTASER A (Ed.) Inductively coupled plasma mass spectrometry, Wiley VCH New York (1998) [7] THOMPSON, M and W ALSH, J.N Handbook of inductively coupled plasma spectrometry, 2nd ed Blackie & ... Application of inductively coupled plasma mass spectrometry (ICP-MS) — Part 2: Determination of 62 elements Qualité de l'eau — Application de la spectrométrie de masse avec plasma couplage inductif...
Ngày tải lên: 03/07/2016, 18:45
Development of a sample preparation strategy for the determination of tungsten in soil samples by inductively coupled plasma mass spectrometry using a response surface methodology
... flame atomic absorption spectrometry, catalytic current polarography, inductively coupled plasma optical emission spectrometry (ICP-OES), inductively coupled plasma mass spectrometry (ICPMS), 9,17,18 ... instrument was applied to samples, and soluble tungsten was determined via inductively coupled plasma mass spectrometry Digestion parameters were selected depending on the results of fractionation ... preparation strategy for the determination of tungsten in soil samples by inductively coupled plasma mass spectrometry using a response surface methodology ă Umran SEVEN ERDEMIR Department of...
Ngày tải lên: 13/01/2022, 00:23
SIMULTANEOUS DETERMINATION OF BORAX AND POLYPHOSPHATES CONTENT IN FOOD BY LIQUID CHROMATOGRAPHY INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY (LC-ICP-MS)
... determination of borax and polyphosphates content in food by liquid chromatography inductively coupled plasma mass spectrometry (LC-ICP-MS)Dinh Viet Chien1*, Dang Thi Hien1, Nguyen Minh Chau1, Le Van Ha1, ... curcumin [9] Boric acid content in cereals and wheat powder was also quantified by Atomic absorption spectrometry method (AAS) after sample hydrolysis in a mixture of sulfuric acid and nitric acid ... and diluted by using deionized water.2.3 Instrumentation A Flexar Quanternary LC pumps system was coupled to a Perkin Elmer NexION 350X ICP-MS to determine borax and polyphosphates The analytes...
Ngày tải lên: 26/04/2024, 21:06
Báo cáo y học: "Evaluating the potential of a novel oral lesion exudate collection method coupled with mass spectrometry-based proteomics for oral cancer biomarker discovery" docx
... saliva) were analyzed using online capillary liquid chromatography coupled with tandem mass spectrometry (MS/MS) using an LTQ-Orbitrap XL mass spectrometer (Thermo Scientific, San Jose, CA) The chromatography ... for Mass Spectrometry, Martinsried, Germany [13,14] The MSM files are peaklists with high precursor mass accuracy and limited product ion ‘noise’ peaks MaxQuant achieves high precursor mass ... Conclusions: Collectively, our findings demonstrate that our exudate collection method coupled with mass spectrometry- based proteomics has great potential for transforming OSCC biomarker discovery...
Ngày tải lên: 13/08/2014, 13:20
Báo cáo khoa học: Determination of thioxylo-oligosaccharide binding to family 11 xylanases using electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry and X-ray crystallography pot
... using soft ionization mass spectrometry Int J Mass Spectrom 216, 1–27 54 Heck AJR & van den Heuvel RHH (2004) Investigation of intact protein complexes by mass spectrometry Mass Spectrom Rev 23, ... for mass spectrometry of large biomolecules Science 246, 64–71 52 Loo JA (2000) Electrospray ionization mass spectrometry: a technology for studying noncovalent macromolecular complexes Int J Mass ... (1998) Fourier transform ion cyclotron resonance mass spectrometry: a primer Mass Spectrom Rev 17, 1–35 56 Smith RD (2000) Evolution of ESI -mass spectrometry and Fourier transform ion cyclotron...
Ngày tải lên: 07/03/2014, 17:20
Analysis of pure lead and lead alloys for the automotive leadacid battery industry by inductively coupled argon plasma emission spectroscopy
... Dissolution procedures; Inductively coupled argon plasma; ICP INTRODUCTION T h e purpose of this work is to d e m o n s t r a t e t h a t inductively coupled argon plasma emission spectroscopy (ICP) ... lead and lead alloys Inductively coupled argon plasma emission spectroscopy is an ideal instrumental m e t h o d of analysis for lead as a result of the argon plasma stability, the absence of ... of Pure Lead and Lead Alloys for the Automotive Lead/Acid Battery Industry by Inductively Coupled Argon Plasma Emission Spectroscopy T J SCHMITT,* J P WALTERS, and D A WYNNt Johnson Controls, Inc.,...
Ngày tải lên: 22/07/2016, 23:06
Simultaneous determination of rosuvastatin and amlodipine in human plasma using tandem mass spectrometry: Application to disposition kinetics
... Quantitative determination of rosuvastatin in human plasma by liquid chromatography with electrospray ionization tandem mass spectrometry Rapid Commun Mass Spectrom 2006;20:2369–75 [13] Hull CK, Penman ... chromatography with electrospray ionization–tandem mass spectrometry for simultaneous quantitation of rosuvastatin and amlodipine in human plasma The method uses isotope labeled compound rosuvastatin ... was delivered at a rate of 0.75 mL/min into the electrospray ionization chamber of the mass spectrometer Mass spectrometry conditions Quantitation was achieved with MS/MS detection in positive ion...
Ngày tải lên: 14/01/2020, 08:56
Direct Contact – Sorptive Tape Extraction coupled with Gas Chromatography – Mass Spectrometry to reveal volatile topographical dynamics of lima bean (Phaseolus lunatus L.) upon herbivory by
... 10.1186/s12870-015-0487-4 METHODOLOGY ARTICLE Open Access Direct Contact – Sorptive Tape Extraction coupled with Gas Chromatography – Mass Spectrometry to reveal volatile topographical dynamics of lima bean (Phaseolus ... which are placed in direct contact with a biologically-active surface DC-STE coupled to Gas Chromatography – Mass Spectrometry (GC-MS) is a non-destructive, high concentration-capacity sampling ... previous page) Keywords: Direct Contact-Sorptive Tape Extraction (DC-STE), Gas Chromatography coupled with Mass Spectrometry (GC-MS), Herbivory-induced plant volatile (HIPV), Phaseolus lunatus L., Spodoptera...
Ngày tải lên: 26/05/2020, 20:53
Determination of diclofenac concentrations in human plasma using a sensitive gas chromatography mass spectrometry method
... chromatography mass spectrometry Talanta 76:642–650 29 Kadowaki H, Shiino M, Uemura I, Kobayashi K (1984) Sensitive method for the determination of diclofenac in human plasma by gas chromatography -mass spectrometry ... and Syed Salman Ashraf2 Abstract Background: A gas chromatography mass spectrometry (GCMS) method for the determination of diclofenac in human plasma has been developed and validated Results: This method ... electro-membrane extraction (EME) and pulsedelectro-membrane extraction (PEME) coupled with HPLC [25], liquid chromatography mass spectrometry (LCMS) [26, 27] and GCMS methods [28–31] While GCMS methods...
Ngày tải lên: 29/05/2020, 14:27
Optimization of a gas chromatography–mass spectrometry method using chemometric techniques for the determination of ezetimibe in human plasma
... successfully applied to determine total EZE in the plasma of hypercholesterolemic patients Key words: Ezetimibe, gas chromatography? ?mass spectrometry, human plasma, experimental design, validation Introduction ... A new, rapid, and sensitive gas chromatography? ?mass spectrometry (GC-MS) method was developed for the determination of ezetimibe (EZE) in human plasma EZE was derivatized prior to GC-MS analysis ... doi:10.3906/kim-1210-18 Optimization of a gas chromatography? ?mass spectrometry method using chemometric techniques for the determination of ezetimibe in human plasma ă ă Ebru UC AKTURK, Nuran OZALTIN Department...
Ngày tải lên: 12/01/2022, 22:50
Characterization of rat and mouse acidic milk oligosaccharides based on hydrophilic interaction chromatography coupled with electrospray tandem mass spectrometry
... Harvey, D J (2000) Negative ion mass spectrometry of sialylated carbohydrates: Discrimination of N-acetylneuraminic acid linkages by MALDI-TOF and ESI-TOF mass spectrometry Analytical Chemistry, ... disease Herein, we use a high-sensitivity online solid-phase extraction and HILIC coupled with electrospray tandem mass spectrometry to analyze the acidic MOs in rat and mouse Among the fifteen MOs ... acidic milk oligosaccharides based on hydrophilic interaction chromatography coupled with electrospray tandem mass spectrometry Jiaqi Li a, b, 1, Maorong Jiang c, 1, JiaoRui Zhou d, Junjie Ding...
Ngày tải lên: 01/01/2023, 12:10
Tài liệu Báo cáo khoa học: Comparison of membrane fraction proteomic profiles of normal and cancerous human colorectal tissues with gel-assisted digestion and iTRAQ labeling mass spectrometry pptx
... normal and cancerous human colorectal tissues with gel-assisted digestion and iTRAQ labeling mass spectrometry Jinn-Shiun Chen1,2, Kuei-Tien Chen3, Chung-Wei Fan2,4, Chia-Li Han5, Yu-Ju Chen5, ... Research Center, Chang Gung University, Tao Yuan, Taiwan Keywords biomarker; colorectal cancer; mass spectrometry; membrane protein; proteomic profile Correspondence E.-C Chan, Department of Medical ... low-abundance proteins [16,17] We used iTRAQ labeling together with gel-assisted digestion and mass spectrometry to detect differences in the protein expression profiles of membrane fractions from...
Ngày tải lên: 16/02/2014, 15:20
Báo cáo khoa học: Systematic quantification of complex metabolic flux networks using stable isotopes and mass spectrometry pptx
... flux networks using stable isotopes and mass spectrometry Maria I Klapa*, Juan-Carlos Aon† and Gregory Stephanopoulos Department of Chemical Engineering, Massachusetts Institute of Technology, ... estimation of fluxes at a high resolution In this paper, we present data validating the use of mass spectrometry (MS) for the quantification of complex metabolic flux networks In the context of the ... we deploy a bioreaction network analysis methodology for flux determination from mass isotopomer measurements of biomass hydrolysates, while thoroughly addressing the issues of measurement accuracy,...
Ngày tải lên: 08/03/2014, 08:20
Báo cáo khoa học: A region within the C-terminal domain of Ure2p is shown to interact with the molecular chaperone Ssa1p by the use of cross-linkers and mass spectrometry doc
... 50 M Ure2p 40 408 0 D Ure2p 132 000 Mass (m/z) Counts Intensity (%) 100 80 870 30 000 64 000 98 000 132 000 166 000 200 000 Mass (m/z) Fig High -mass MALDI-TOF mass spectra of the products generated ... stored at )20 °C until MS analysis High mass MALDI-TOF MS High -mass MALDI-TOF mass spectra of the intact protein complexes were obtained using a MALDI-TOF mass spectrometer (Voyager DE STR; Applied ... resonance mass spectrometry for protein interaction analysis: application to a calmodulin ⁄ target peptide complex Anal Chem 77, 495–503 19 Tang XT, Munske GR, Siems WF & Bruce JE (2005) Mass spectrometry...
Ngày tải lên: 15/03/2014, 00:20
Báo cáo khoa học: A mutagenic analysis of the RNase mechanism of the bacterial Kid toxin by mass spectrometry pptx
... A mutagenic analysis of the RNase mechanism of the bacterial Kid toxin by mass spectrometry Elizabeth Diago-Navarro 1 , Monique B. Kamphuis 2 , Rolf Boelens 2 , Arjan Barendregt 3 , Albert ... Utrecht University, The Netherlands 3 Bijvoet Center for Biomolecular Research, Biomolecular Mass Spectrometry and Proteomics group, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, ... of plasmid R1 [13]: this toxin cuts RNA in vitro at the Keywords Kid mutants; Kid RNase model; native mass spectrometry; protein–RNA binding; protein– RNA cleavage Correspondence R. Dı ´ az-Orejas, Centro...
Ngày tải lên: 16/03/2014, 03:20
Báo cáo khoa học: The changing patterns of covalent active site occupancy during catalysis on a modular polyketide synthase multienzyme revealed by ion-trap mass spectrometry pptx
... ionization Fourier-Transform mass spectrometry Nat Prod Rep 23, 893–918 35 Bumpus SB & Kelleher NL (2008) Accessing natural product biosynthetic processes by mass spectrometry Curr Opin Chem Biol ... Fourier Transform mass spectrometry: The polyketide module of yersiniabactin synthetase Biochemistry 42, 13393–13400 33 Hicks LM, O’Connor SE, Mazur MT, Walsh CT & Kelleher NL (2004) Mass spectrometric ... fractionate the complex mixture and use high-resolution electrospray ionization Fourier-Transform mass spectrometry Changing patterns of covalent active-site occupancy (ESI ⁄ FTMS) to pick out the...
Ngày tải lên: 16/03/2014, 03:20
DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf
... capillary column of a gas chromatography /mass spectrometry (GC/MS) system Compounds eluting from the GC column are identified by comparing their measured mass spectra and retention times to reference ... COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY /MASS SPECTROMETRY 1.0 SCOPE AND APPLICATION 1.1 This is a general purpose method that provides procedures ... 11097-69-1 11096-82-5 Monoisotopic molecular weight calculated from the atomic masses of the isotopes with the smallest masses Only qualitative identification of these analytes is possible because...
Ngày tải lên: 22/03/2014, 14:20
liquid chromatography - mass spectrometry an introduction
... chromatography in combination with mass spectrometry. .. with mass spectrometry (tandem mass spectrometry) multiple stages of tandem mass spectrometry National Institute of Health ... Quadrupole Mass Analyser 41 3.3.2 The (Quadrupole) Ion-Trap Mass Analyser 42 3.3.3 The Double-Focusing and Tri-Sector Mass Analysers 42 3.3.4 The Time-of-Flight Mass Analyser 44 3.4 Tandem Mass Spectrometry ... Chromatography? ?Mass Spectrometry 2.5 Quantitation Using High Performance Liquid Chromatography 23 2.6 The Need for High Performance Liquid Chromatography– Mass Spectrometry 30 References 31 3 Mass Spectrometry...
Ngày tải lên: 11/04/2014, 06:58
Real-time Monitoring technology of Mass spectrometry Speaker
... ion flow tube mass spectrometry for no-line trace gas analysis David Smith and Patrik Spanel Reference : Mass Spectrometry Reviews,... [H3O+]o(1 - e-k[R]t) = [H30+]o[R]kt J Mass Spectrom ... technology of Mass spectrometry Speaker : Achong Outline IMS PTR-MS SIFT-MS Application of IMS IMS-TOF IMS-IMS-TOF Application of PTR-MS PIT-MS Real-time Monitoring Mass spectrometry ... Spectrom Ion Processes, 173 (1998) 191-241 J Mass Spectrom Ion Processes, 173 (1998) 191-241 J Mass Spectrom Ion Processes, 173 (1998) 191-241 PTR mass spectrometry Advantages: Soft ionization...
Ngày tải lên: 28/04/2014, 13:18
Phổ khối lượng mass spectrometry
... Time-of-Flight Mass Spectrometry, Michael Guilhaus, Journal of mass Spectrometry, Vol 30, 1519-32 (1995) -10- Mass Spectrometry @ the Organic Chemistry Department Ions of very high mass- to-charge ... millimass units (mmu), unified atomic mass units (u), or parts-per-million (ppm) The parts-per-million error is defined as: ppm = measured mass theoretical mass 6 10 theoretical mass ... with a small mass Ions with a large mass Accelerating potential Filament for electronbeam Ion beam Exit slit Collector Figure 1: schematic reproduction of a mass- spectrometer Mass Spectrometry...
Ngày tải lên: 24/05/2014, 20:52