Publikationen von Willi A. Brand

Giovanna Battipaglia, Veronica De Micco, Willi A. Brand, Petra Linke, Giovanna Aronne, Matthias Saurer, and Paolo Cherubini, "Variations of vessel diameter and δ¹³C in false rings of Arbutus unedo L. reflect different environmental conditions," New Phytologist 188 (4), 1099-1112 (2010).

Willi A. Brand, "Comments on "Discrepancies between isotope ratio infrared spectroscopy and isotope ratio mass spectrometry for the stable isotope analysis of plant and soil waters"," Rapid Communications in Mass Spectrometry 24 (17), 2687-2688 (2010).

Willi A. Brand, S.A. Assonov, and T. B. Coplen, "Correction for the 17O interference in δ¹³C measurements when analyzing CO₂ with stable isotope mass spectrometry (IUPAC Technical Report)," Pure and Applied Chemistry 82 (8), 1719-1733 (2010).

J. Lloyd, S. Patiño, R. Q. Paiva, G. B. Nardoto, C. A. Quesada, A. J. B. Santos, T. R. Baker, Willi A. Brand, I. Hilke, Heike Geilmann, M. Raessler, F. J. Luizão, L. A. Martinelli, and L. M. Mercado, "Optimisation of photosynthetic carbon gain and within-canopy gradients of associated foliar traits for Amazon forest trees," Biogeosciences 7 (6), 1833-1859 (2010).

H. P. Qi, M. Groning, T. B. Coplen, B. Buck, S. J. Mroczkowski, Willi A. Brand, Heike Geilmann, and M. Gehre, "Novel silver-tubing method for quantitative introduction of water into high-temperature conversion systems for stable hydrogen and oxygen isotopic measurements," Rapid Communications in Mass Spectrometry 24 (13), 1821-1827 (2010).

C. A. Quesada, J. Lloyd, M. Schwarz, S. Patiño, T. R. Baker, C. Czimczik, N. M. Fyllas, L. Martinelli, G. B. Nardoto, Jens Schmerler, A. J. B. Santos, M. G. Hodnett, R. Herrera, F. J. Luizão, A. Arneth, G. Lloyd, N. Dezzeo, I. Hilke, I. Kuhlmann, M. Raessler, Willi A. Brand, Heike Geilmann, J. O. Moraes, F. P. Carvalho, R. N. Araujo, J. E. Chaves, O. F. Cruz, T. P. Pimentel, and R. Paiva, "Variations in chemical and physical properties of Amazon forest soils in relation to their genesis," Biogeosciences 7 (5), 1515-1541 (2010).

T. Röckmann, C. X. G. Alvarez, S. Walter, C. Van Der Veen, A. G. Wollny, S. S. Gunthe, G. Helas, U. Poschl, F. Keppler, M. Greule, and Willi A. Brand, "Isotopic composition of H₂ from wood burning: Dependency on combustion efficiency, moisture content, and δD of local precipitation," Journal of Geophysical Research: Atmospheres 115, D17308 (2010).

Willi A. Brand, "Maintaining high precision of isotope ratio analysis over extended periods of time," Isotopes in Environmental and Health Studies 45 (2), 135-149 (2009).

Willi A. Brand, T. B. Coplen, A. T. Aerts-Bijma, J. K. Bohlke, M. Gehre, Heike Geilmann, M. Groning, H. G. Jansen, H. A. J. Meijer, S. J. Mroczkowski, H. P. Qi, K. Soergel, H. Stuart-Williams, S. M. Weise, and R. A. Werner, "Comprehensive inter-laboratory calibration of reference materials for δ ¹⁸O versus VSMOW using various on-line high-temperature conversion techniques," Rapid Communications in Mass Spectrometry 23 (7), 999-1019 (2009).

Willi A. Brand, Heike Geilmann, E. R. Crosson, and C. W. Rella, "Cavity ring-down spectroscopy versus high-temperature conversion isotope ratio mass spectrometry; a case study on δ H2 and δ ¹⁸O of pure water samples and alcohol/water mixtures," Rapid Communications in Mass Spectrometry 23 (12), 1879-1884 (2009).

Willi A. Brand, L. Huang, H. Mukai, A. Chivulescu, Juergen Richter, and Michael Rothe, "How well do we know VPDB? Variability of δ ¹³C and δ ¹⁸O in CO₂ generated from NBS19-calcite," Rapid Communications in Mass Spectrometry 23 (6), 915-926 (2009).

E. A. Vaganov, E. D. Schulze, M. V. Skomarkova, A. Knohl, Willi A. Brand, and C. Roscher, "Intra-annual variability of anatomical structure and δ ¹³C values within tree rings of spruce and pine in alpine, temperate and boreal Europe," Oecologia 161 (4), 729-745 (2009).

I. Vigano, T. Röckmann, R. Holzinger, A. Van Dijk, F. Keppler, M. Greule, Willi A. Brand, Heike Geilmann, and H. Van Weelden, "The stable isotope signature of methane emitted from plant material under UV irradiation," Atmospheric Environment 43 (35), 5637-5646 (2009).

L. W. Clement, S. C. W. Koppen, Willi A. Brand, and M. Heil, "Strategies of a parasite of the ant-Acacia mutualism," Behavioral Ecology and Sociobiology 62 (6), 953-962 (2008).

E. Hettmann, W. A. Brand, and G. Gleixner, "Improved isotope ratio measurement performance in liquid chromatography/isotope ratio mass spectrometry by removing excess oxygen," Rapid Communications in Mass Spectrometry 21 (24), 4135-4141 (2007).

T. B. Coplen, W. A. Brand, M. Gehre, M. Gröning, H. A. J. Meijer, B. Toman, and R. M. Verkouteren, "New guidelines for δ¹³C measurements," Analytical Chemistry 78 (7), 2439-2441 (2006).

T. B. Coplen, W. A. Brand, M. Gehre, M. Gröning, H. A. J. Meijer, B. Toman, and R. M. Verkouteren, "After two decades a second anchor for the VPDB δ¹³C scale," Rapid Communications in Mass Spectrometry 20 (21), 3165-3166 (2006).

P. Ghosh, M. Patecki, M. Rothe, and W. A. Brand, "Calcite-CO₂ mixed into CO₂-free air: a new CO₂-in-air stable isotope reference material for the VPDB scale," Rapid Communications in Mass Spectrometry 19 (8), 1097-1119 (2005).

A. Knohl, R. A. Werner, W. A. Brand, and N. Buchmann, "Short-term variations in δ¹³C of ecosystem respiration reveals link between assimilation and respiration in a deciduous forest," Oecologia 142 (1), 70-82 (2005).

Birgit Schulze, C. Wirth, P. Linke, W. A. Brand, I. Kuhlmann, V. Horna, and E.-D. Schulze, "Laser ablation-combustion-GC-IRMS - a new method for online analysis of intra-annual variation of δ ¹³C in tree rings," Tree Physiology 24 (11), 1193-1201 (2004).