These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.


BIOMARKERS

Molecular Biopsy of Human Tumors

- a resource for Precision Medicine *

134 related articles for article (PubMed ID: 12146904)

  • 1. Determination of the 15N/14N ratio of ammonium and ammonia in aqueous solutions by equilibrium headspace-gas chromatography-combustion-isotope ratio mass spectrometry.
    Norlin E; Irgum K; Anders Ohlsson KE
    Analyst; 2002 Jun; 127(6):735-40. PubMed ID: 12146904
    [TBL] [Abstract][Full Text] [Related]  

  • 2. Nitrogen isotope analysis of ammonium in aqueous solutions using a perfluorosulfonated ionomer membrane for solid-phase microextraction.
    Norlin E; Irgum K; Ohlsson KE
    Rapid Commun Mass Spectrom; 2003; 17(9):936-42. PubMed ID: 12717766
    [TBL] [Abstract][Full Text] [Related]  

  • 3. Analytical techniques for quantifying (15)N/(14)N of nitrate, nitrite, total dissolved nitrogen and ammonium in environmental samples using a gas chromatograph equipped with a quadrupole mass spectrometer.
    Isobe K; Suwa Y; Ikutani J; Kuroiwa M; Makita T; Takebayashi Y; Yoh M; Otsuka S; Senoo K; Ohmori M; Koba K
    Microbes Environ; 2011; 26(1):46-53. PubMed ID: 21487202
    [TBL] [Abstract][Full Text] [Related]  

  • 4. Gas chromatography and isotope ratio mass spectrometry of Pinot Noir wine volatile compounds (δ
    Spangenberg JE; Vogiatzaki M; Zufferey V
    J Chromatogr A; 2017 Sep; 1517():142-155. PubMed ID: 28851526
    [TBL] [Abstract][Full Text] [Related]  

  • 5. High-precision measurement of phenylalanine δ15N values for environmental samples: a new approach coupling high-pressure liquid chromatography purification and elemental analyzer isotope ratio mass spectrometry.
    Broek TA; Walker BD; Andreasen DH; McCarthy MD
    Rapid Commun Mass Spectrom; 2013 Nov; 27(21):2327-37. PubMed ID: 24097388
    [TBL] [Abstract][Full Text] [Related]  

  • 6. Ultrahigh-resolution capillary electrophoretic separation with indirect ultraviolet detection: isotopic separation of [14N]- and [15N]ammonium.
    Yeung KK; Lucy CA
    Electrophoresis; 1999 Sep; 20(12):2554-9. PubMed ID: 10499350
    [TBL] [Abstract][Full Text] [Related]  

  • 7. Sample preparation techniques for the determination of natural 15N/14N variations in amino acids by gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS).
    Hofmann D; Gehre M; Jung K
    Isotopes Environ Health Stud; 2003 Sep; 39(3):233-44. PubMed ID: 14521284
    [TBL] [Abstract][Full Text] [Related]  

  • 8. Depletion of the heaviest stable N isotope is associated with NH4+/NH3 toxicity in NH4+-fed plants.
    Ariz I; Cruz C; Moran JF; González-Moro MB; García-Olaverri C; González-Murua C; Martins-Loução MA; Aparicio-Tejo PM
    BMC Plant Biol; 2011 May; 11():83. PubMed ID: 21575190
    [TBL] [Abstract][Full Text] [Related]  

  • 9. Determination of nitrogen-15 isotope fractionation in tropine: evaluation of extraction protocols for isotope ratio measurement by isotope ratio mass spectrometry.
    Molinié R; Kwiecień RA; Silvestre V; Robins RJ
    Rapid Commun Mass Spectrom; 2009 Dec; 23(24):4031-7. PubMed ID: 19924779
    [TBL] [Abstract][Full Text] [Related]  

  • 10. Nicotine, acetanilide and urea multi-level 2H-, 13C- and 15N-abundance reference materials for continuous-flow isotope ratio mass spectrometry.
    Schimmelmann A; Albertino A; Sauer PE; Qi H; Molinie R; Mesnard F
    Rapid Commun Mass Spectrom; 2009 Nov; 23(22):3513-21. PubMed ID: 19844968
    [TBL] [Abstract][Full Text] [Related]  

  • 11. Simultaneous measurement of 13C- and 15N-isotopic enrichments of threonine by mass spectrometry.
    Godin JP; Mermoud AF; Rémond D; Faure M; Breuille D; Williamson G; Peré-Trepat E; Ramadan Z; Fay LB; Kochhar S
    Rapid Commun Mass Spectrom; 2009 Apr; 23(8):1109-15. PubMed ID: 19288537
    [TBL] [Abstract][Full Text] [Related]  

  • 12. A novel high-temperature combustion interface for compound-specific stable isotope analysis of carbon and nitrogen via high-performance liquid chromatography/isotope ratio mass spectrometry.
    Federherr E; Willach S; Roos N; Lange L; Molt K; Schmidt TC
    Rapid Commun Mass Spectrom; 2016 Apr; 30(7):944-52. PubMed ID: 26969937
    [TBL] [Abstract][Full Text] [Related]  

  • 13. Measurement of 15N/14N isotopic composition in individual plasma free amino acids of human adults at natural abundance by gas chromatography-combustion isotope ratio mass spectrometry.
    Metges CC; Petzke KJ
    Anal Biochem; 1997 Apr; 247(1):158-64. PubMed ID: 9126386
    [TBL] [Abstract][Full Text] [Related]  

  • 14. A novel membrane inlet mass spectrometer method to measure ¹⁵NH4₄⁺ for isotope-enrichment experiments in aquatic ecosystems.
    Yin G; Hou L; Liu M; Liu Z; Gardner WS
    Environ Sci Technol; 2014 Aug; 48(16):9555-62. PubMed ID: 25017915
    [TBL] [Abstract][Full Text] [Related]  

  • 15. Comparison of liquid chromatography-isotope ratio mass spectrometry (LC/IRMS) and gas chromatography-combustion-isotope ratio mass spectrometry (GC/C/IRMS) for the determination of collagen amino acid δ13C values for palaeodietary and palaeoecological reconstruction.
    Dunn PJ; Honch NV; Evershed RP
    Rapid Commun Mass Spectrom; 2011 Oct; 25(20):2995-3011. PubMed ID: 21953954
    [TBL] [Abstract][Full Text] [Related]  

  • 16. Liquid and gas chromatography coupled to isotope ratio mass spectrometry for the determination of 13C-valine isotopic ratios in complex biological samples.
    Godin JP; Breuillé D; Obled C; Papet I; Schierbeek H; Hopfgartner G; Fay LB
    J Mass Spectrom; 2008 Oct; 43(10):1334-43. PubMed ID: 18383273
    [TBL] [Abstract][Full Text] [Related]  

  • 17. Determination of 13C and 15N enrichments of urea in plasma by gas chromatography-combustion isotope ratio mass spectrometry and gas chromatography-mass spectrometry using the 2-methoxypyrimidine derivative.
    Kulik W; Oosterveld MJ; Kok RM; de Meer K
    J Chromatogr B Analyt Technol Biomed Life Sci; 2003 Jul; 791(1-2):399-405. PubMed ID: 12798200
    [TBL] [Abstract][Full Text] [Related]  

  • 18. Comparison of gas chromatography/isotope ratio mass spectrometry and liquid chromatography/isotope ratio mass spectrometry for carbon stable-isotope analysis of carbohydrates.
    Moerdijk-Poortvliet TC; Schierbeek H; Houtekamer M; van Engeland T; Derrien D; Stal LJ; Boschker HT
    Rapid Commun Mass Spectrom; 2015 Jul; 29(13):1205-14. PubMed ID: 26395604
    [TBL] [Abstract][Full Text] [Related]  

  • 19. Measurement of 13C and 15N isotope labeling by gas chromatography/combustion/isotope ratio mass spectrometry to study amino acid fluxes in a plant-microbe symbiotic association.
    Molero G; Aranjuelo I; Teixidor P; Araus JL; Nogués S
    Rapid Commun Mass Spectrom; 2011 Mar; 25(5):599-607. PubMed ID: 21290446
    [TBL] [Abstract][Full Text] [Related]  

  • 20. Practical considerations in the determination of compound-specific amino acid δ15N values in animal and plant tissues by gas chromatography-combustion-isotope ratio mass spectrometry, following derivatisation to their N-acetylisopropyl esters.
    Styring AK; Kuhl A; Knowles TD; Fraser RA; Bogaard A; Evershed RP
    Rapid Commun Mass Spectrom; 2012 Oct; 26(19):2328-34. PubMed ID: 22956325
    [TBL] [Abstract][Full Text] [Related]  

    [Next]    [New Search]
    of 7.