Selected Isolab papers (for a complete list of publications see the 'Staff' section)

  1. Willi A. Brand, Tyler B. Coplen, Jochen Vogl, Martin Rosner, Thomas Prohaska, Assessment of International Reference Materials for Stable Isotope Ratio Analysis 2013 (IUPAC Technical Report), Pure and Applied Chemistry 86; 425-467 (2014); DOI 10.1515/pac-2013-1023 web-link
  2. Willi A. Brand, Sergey S. Assonov, Tyler B. Coplen, Correction for the 17O interference in δ(13C) determinations when analyzing CO2 with stable isotope mass spectrometry, (IUPAC Technical Report), Pure Appl. Chem., (2010); 82 (8), 1719–1733, doi:10.1351/PAC-REP-09-01-05
  3. Willi A. Brand, Tyler B. Coplen, Anita T. Aerts‑Bijma, J.K. Böhlke, Matthias Gehre, Heike Geilmann, Manfred Groening, Henk G. Jansen, Harro A.J. Meijer, Stanley J. Mroczkowski, Haiping Qi, Karin Soergel, Hilary Stuart-Williams, Stephan Weise, and Roland A. Werner, Comprehensive Inter-Laboratory Calibration of Reference Materials for δ18O versus VSMOW using Various on-Line High-Temperature Conversion Techniques, Rapid Comm. Mass Spectrom. 2009; 23: 999-1019 (DOI: 10.1002/rcm.3958; http://www3.interscience.wiley.com/journal/122240047/abstract)
  4. Willi A. Brand, Lin Huang, Hitoshi Mukai, Alina Chivulescu, Juergen M. Richter, and Michael Rothe, How well do we know VPDB; Variability of δ13C and δ18O in CO2 generated form NBS19-Calcite, Rapid Comm. Mass Spectrom. 2009; 23: 915–926 (DOI: 10.1002/rcm.3940; http://www3.interscience.wiley.com/journal/122204966/abstract)
  5. T. B. Coplen, W. A. Brand, M. Gehre, M. Groening, H. A. J. Meijer, B. Toman, and R. M. Verkouteren, After two decades a second anchor for the VPDB δ13C scale, Rapid Comm. Mass Spectrom., (2006) 20: 3165; (DOI: 10.1002/rcm.2727; http://www3.interscience.wiley.com/cgi-bin/abstract/113385466/ABSTRACT)
  6. T. B. Coplen, W. A. Brand, M. Gehre, M. Groening, H. A. J. Meijer, B. Toman, and R. M. Verkouteren, New Guidelines for δ13C Measurements, Analytical Chemistry (2006) 78; 2439-2441 (DOI: 10.1021/ac052027c)
  7. Prosenjit Ghosh, Michael Patecki, Michael Rothe, and Willi A. Brand, Calcite-CO2 Mixed into CO2-free Air: A New CO2‑in-Air Stable Isotope Reference Material for the VPDB Scale, Rapid Comm. Mass Spectrom. (2005) 19: 1097-1119 (http://www3.interscience.wiley.com/journal/110432757/abstract)
  8. M. Gehre, H. Geilmann, J. Richter, R.A. Werner, and W.A. Brand, Continuous Flow 2H/1H and 18O/16O Analysis of Water Samples with Dual Inlet Precision Rapid Comm. Mass Spectrom. (2004) 18: 2650 - 2660 (http://www3.interscience.wiley.com/journal/109700127/abstract)
  9. Alexander Knohl, Roland A. Werner, Heike Geilmann and Willi A. Brand, Kel-FTMdiscs improve storage time of canopy air samples in 10-mL vials for CO2- δ13C analysis, Rapid Comm. Mass Spectrom. 2004; 18: 1663–1665 (http://www3.interscience.wiley.com/journal/109083149/abstract)
  10. Prosenjit Ghosh and Willi A. Brand, The effect of N2O on the isotopic composition of air-CO2 samples, Rapid Comm. Mass Spectrom., 18 (2004) 1830-1838 (http://www3.interscience.wiley.com/journal/109561354/abstract)
  11. J.M. Starck, P.Moser, R.A. Werner and P. Linke, 'Pythons metabolize prey to fuel the response to feeding', Proc. R. Soc. Lond. B (2004) 271, 903-908
  12. Hanns-Ludwig Schmidt, Roland A. Werner , Naohiro Yoshida , Reinhard Well, 'Is the isotopic composition of nitrous oxide an indicator for its origin from nitrification or denitrification? A theoretical approach from referred data and microbiological and enzyme kinetic aspects', Rapid Comm.Mass Spectrom., 18 (2004) 2036-2040
  13. Hobbie EA, Werner RA, 'Intramolecular, compound-specific, and bulk carbon isotope patterns in C-3 and C-4 plants: a review and synthesis', New Phytologist (2004) 161 (2): 371-385
  14. R.A. Werner, 'The online 18O/16O analysis: development and application', Isot. Env. Health Stud. 39 (2003) 85-104
  15. R.A. Werner and H.L. Schmidt, 'The in vivo nitrogen isotope discrimination among organic plant compounds', Phytochem. 61 (2002) 465-484
  16. P. Sturm, M. Leuenberger, C. Sirignano, R. Neubert, H.A.J. Meijer, R. Langenfelds, W.A. Brand and Y. Tohjiama, Permeation of atmospheric gases through polymer O-rings used in flasks for air sampling, J. Geophys. Res., 109, D04309 (2004)
  17. B. Schulze, C. Wirth, P. Linke , W.A. Brand, I. Kuhlmann, V. Horna, E.-D. Schulze, Laser Ablation Combustion GC-IRMS - A new method for online analysis of intra-annual variation of 13C in tree rings, Tree Physiol. (2004) 24: 1193 - 1201
  18. Haiping Qi, Tyler B. Coplen, Heike Geilmann, Willi A. Brand, and J.K. Böhlke, Two new organic reference materials for δ13C and δ15N measurements and a new value for the δ13C of NBS 22 oil, Rapid Comm. Mass Spectrom. 17 (2003) 2483-2487 (http://www3.interscience.wiley.com/journal/106559529/abstract)
  19. P.D. Brooks , H. Geilmann and R. A. Werner, and W. A. Brand, Improved precision of coupled δ13C and δ15N measurements from single samples using an EA-IRMS (elemental analyzer - isotope ratio mass spectrometer) combination with a post-column 6-port valve and selective CO2 trapping; Improved halide robustness of the combustion reactor using CeO2., Rapid Comm. Mass Spectrom. 17 (2003) 1924-1926 (http://www3.interscience.wiley.com/journal/104546882/abstract)
  20. R. Michael Verkouteren, Sergey Assonov, Donna B. Klinedinst, and Willi A. Brand, Isotopic metrology of carbon dioxide (II): Effects of ion source materials, conductance, emission, and accelerating voltage on dual-inlet cross contamination, Rapid Comm. Mass Spectrom. 17 (2003) 777-782 (http://www3.interscience.wiley.com/journal/103527593/abstract)
  21. Roland A. Werner, Michael Rothe and Willi A. Brand, Extraction of CO2 from air samples for isotopic analysis and limits to ultra high precision δ18O determination in CO2 gas , Rapid Comm. Mass Spectrom. 15 (2001) 2152-2167 (http://www3.interscience.wiley.com/journal/86510869/abstract)
  22. Schmidt HL, Werner RA, Rossmann A, 'O-18 pattern and biosynthesis of natural plant products ', Phytochem 58 (2001) 9-32
  23. M.E. Wieser and W. A. Brand, A Laser Extraction / Combustion Technique for in Situ δ13C Analysis of Organic and Inorganic materials, Rapid Comm. Mass Spectrom. 13 (1999) 1218 (http://www3.interscience.wiley.com/journal/62003727/abstract)
  24. R.A. Werner, B.A. Bruch and W. A. Brand, ConFlo III - An Interface for High Precision δ13C and δ15N Analysis with an Extended Dynamic Range, Rapid Comm. Mass Spectrom. 13 (1999) 1237 (http://www3.interscience.wiley.com/journal/62003723/abstract)

For a complete list of publications see the 'Staff" section.

Isolab review papers

  1. Magnus Wendeberg and Willi A. Brand, “Isotope ratio mass spectrometry (IRMS) of light elements (C, H, O, N, S): The principles and characteristics of the IRMS instrument” in Encyclopedia of Mass Spectrometry Vol 5, ed. Diane Beauchemin and Dwight E. Matthews, Elsevier, Amsterdam, 2010, pp 739-748
  2. WA Brand, 'Mass Spectrometer Hardware for Analyzing Stable Isotope Ratios', Chapter 38 in 'Handbook of Stable Isotope Analytical Techniques', ed. P. deGroot, Elsevier Science ( ISBN: 0-444-51114-8) 2004
  3. Prosenjit Ghosh and Willi A. Brand, Stable Isotope Ratio Mass Spectrometry in Climate Research, Int. J. Mass Spectrom. 228 (2003) 1-33
  4. Roland A. Werner and Willi A. Brand, Referencing Strategies and Techniques in Stable Isotope Ratio Analysis, Rapid Comm. Mass Spectrom. 15 (2001) 501-519
  5. M.E. Wieser and W. A. Brand, 'Isotope Ratio Studies using Mass Spectrometry' in 'Encyclopedia of Spectroscopy and Spectrometry',ed. J.C. Lindon, G.E. Tranter and J.L. Holmes, Academic Press, ISBN 0-12-226680-3, (1999), 1072-1086
  6. W. A. Brand, 'Isotope Mass Spectrometry: Precision from Transient Signals', in Adv. Mass Spectrom. , Volume 14, eds. E.J. Karjalainen, A.E. Hesso, J.E. Jalonen and U.P. Karjalainen, Elsevier, Amsterdam (1998), 661-686
  7. Brand W.A., High Precision Isotope Ratio Monitoring Techniques in Mass Spectrometry, J. Mass Spectrom. 31: (3) 225-235 Mar 1996
  8. Brand W.A., Avak H, Seedorf R, Hofmann D, Conradi T, New methods for fully automated isotope ratio determination from hydrogen at the natural abundance level, Isot. Environ. Healt Stud. 32, 263-273 (1996)

Selection of interesting papers:

Grootes, P.M., Mook, W.G. & Vogel, J.C. Isotopic Fractionation between Gaseous and Condensed Carbon Dioxide. Zeitschrift Fur Physik 221, 257-& (1969)

Bender ML, Tans PP, Ellis JT, Orchardo J, Habfast K. A High-Precision Isotope Ratio Mass-Spectrometry Method for Measuring the O-2 N-2 Ratio of Air. Geochim. Cosmochim. Acta 1994;58(21):4751-4758

Bender ML, Battle M, Keeling RF. The O-2 balance of the atmosphere: A tool for studying the fate of fossil-fuel CO2. Annual Review of Energy and the Environment 1998;23:207-223

Meijer HAJ, Li WJ. The use of electrolysis for accurate delta O-17 and delta O-18 isotope measurements in water. Isot. Environ. Health Stud. 1998;34(4):349-369

IAEA-Tecdoc-825 (large file !) http://www-pub.iaea.org/MTCD/publications/PDF/te_825_prn.pdf

Verkouteren, M.R. and Klinedinst, D.B., Value Assignment and Uncertainty Estimation of Selected Light Stable Isotope Reference Materials: RMs 8543-8545, RMs 8562-8564, and RM 8566 (http://ts.nist.gov/MeasurementServices/ReferenceMaterials/upload/SP260-149.pdf) (large file !)

Karleugen Habfast, Advances Isotope Ratio MAss Spectrometry I: Magnetic Isotope Ratio Mass Spectrometers Chapter 3 in: Modern Isotope Ratio Mass Spectrometry, ed. I.T. Platzner, Wiley & sons, Chichester 1997 (ISBN 0 471 97416 1) pages 11-82 See also: http://en.wikipedia.org/wiki/Isotope_ratio_mass_spectrometry

Selection of historic and biographical papers:

Urey HC.
Oxygen Isotopes in Nature and in the Laboratory.
Science 1948;108(2813):602-603

Nier AO, Gulbransen EA,
Variations in the relative abundance of the carbon isotopes,
JACS 61: 697 (1939)

Murphey BF, Nier AO,
Variations in the relative abundance of the carbon isotopes,
PHYSICAL REVIEW 59 (9): 771-772 (1941)

Kevin M. Downard
CAVENDISH’S CROCODILE AND DARK HORSE: THE LIVES OF RUTHERFORD AND ASTON IN PARALLEL
Mass Spectrometry Reviews, 2007, 26, 713– 723
http://www3.interscience.wiley.com/journal/114276315/abstract

John R. De Laeter
THE ROLE OF MASS SPECTROMETRY IN ATOMIC WEIGHT DETERMINATIONS
Mass Spectrometry Reviews, 2009, 28, 2–19
http://www3.interscience.wiley.com/journal/121406299/abstract

Aston FW
Isotopes and Atomic Weights, NATURE 105; 617-619 1920
doi:10.1038/105617a0
http://www.nature.com/nature/journal/v105/n2646/pdf/105617a0.pdf

Willi Dansgaard
'Frozen Annals - Greenland Ice Sheet Research'
ISBN: 87-990078-0-0; pdf available from:
http://www.iceandclimate.nbi.ku.dk/publications/frozen_annals/

Gordon Squires
Francis Aston and the mass spectrograph
J. Chem. Soc., Dalton Trans., 1998, 3893–3899
http://www.rsc.org/delivery/_ArticleLinking/DisplayArticleForFree.cfm?doi=a804629h&JournalCode=DT http://www.uni-ulm.de/fileadmin/website_uni_ulm/nawi.inst.220/lehre/Atomphysik_SS2008/Francis_Aston.pdf

Keeling CD.
The Concentration and Isotopic Abundances of Carbon Dioxide in the Atmosphere
Tellus 1960; 12: 200-203.
http://scrippsco2.ucsd.edu/publications/keeling_tellus_1960.pdf

Keeling CD.
Rewards and penalties of monitoring the earth
Annual Review of Energy and the Environment 1998; 23: 25-82.
http://arjournals.annualreviews.org/doi/pdf/10.1146/annurev.energy.23.1.25


K.P. Cohen, S.K. Runcorn, H.E. Suess, H.G Thode
H.C. Urey; Bibliographica; Memoirs of Fellows of the Royal Society \\1983; 29, 622-659
http://www.jstor.org/stable/769815?origin=JSTOR-pdf

JR Arnold, J Bigeleisen and CA Hutchinson,
'HAROLD CLAYTON UREY'
Biographical Memoirs V.68
Office of the Home Secretary, National Academy of Sciences
The National Academies Press 1995
http://www.nap.edu/html/biomems/hurey.pdf

Curt Brunnee
50 years of MAT in Bremen
Rapid Communications in Mass Spectrometry (1997) 11; 694