Werner RA - Search Results

1

Extraction of CO2 from air samples for isotopic analysis and limits to ultra high precision delta18O determination in CO2 gas.

Werner RA, Rothe M, Brand WA. Werner RA, et al. Rapid Commun Mass Spectrom. 2001;15(22):2152-67. doi: 10.1002/rcm.487. Rapid Commun Mass Spectrom. 2001. PMID: 11746880

2

Referencing strategies and techniques in stable isotope ratio analysis.

Werner RA, Brand WA. Werner RA, et al. Rapid Commun Mass Spectrom. 2001;15(7):501-19. doi: 10.1002/rcm.258. Rapid Commun Mass Spectrom. 2001. PMID: 11268135 Review.

3

A possible prebiotic formation of ammonia from dinitrogen on iron sulfide surfaces.

Dörr M, Kässbohrer J, Grunert R, Kreisel G, Brand WA, Werner RA, Geilmann H, Apfel C, Robl C, Weigand W. Dörr M, et al. Among authors: werner ra. Angew Chem Int Ed Engl. 2003 Apr 4;42(13):1540-3. doi: 10.1002/anie.200250371. Angew Chem Int Ed Engl. 2003. PMID: 12698495 No abstract available.

4

Improved precision of coupled delta13C and delta15N measurements from single samples using an elemental analyzer/isotope ratio mass spectrometer combination with a post-column six-port valve and selective CO2 trapping; improved halide robustness of the combustion reactor using CeO2.

Brooks PD, Geilmann H, Werner RA, Brand WA. Brooks PD, et al. Among authors: werner ra. Rapid Commun Mass Spectrom. 2003;17(16):1924-6. doi: 10.1002/rcm.1134. Rapid Commun Mass Spectrom. 2003. PMID: 12876695 No abstract available.

5

Kel-F discs improve storage time of canopy air samples in 10-mL vials for CO2-delta13C analysis.

Knohl A, Werner RA, Geilmann H, Brand WA. Knohl A, et al. Among authors: werner ra. Rapid Commun Mass Spectrom. 2004;18(14):1663-5. doi: 10.1002/rcm.1528. Rapid Commun Mass Spectrom. 2004. PMID: 15282795 No abstract available.

6

Short-term variations in delta(13)C of ecosystem respiration reveals link between assimilation and respiration in a deciduous forest.

Knohl A, Werner RA, Brand WA, Buchmann N. Knohl A, et al. Among authors: werner ra. Oecologia. 2005 Jan;142(1):70-82. doi: 10.1007/s00442-004-1702-4. Epub 2004 Sep 17. Oecologia. 2005. PMID: 15378343

7

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.

Schmidt HL, Werner RA, Yoshida N, Well R. Schmidt HL, et al. Among authors: werner ra. Rapid Commun Mass Spectrom. 2004;18(18):2036-40. doi: 10.1002/rcm.1586. Rapid Commun Mass Spectrom. 2004. PMID: 15378714 Review.

8

Continuous flow 2H/1H and 18O/16O analysis of water samples with dual inlet precision.

Gehre M, Geilmann H, Richter J, Werner RA, Brand WA. Gehre M, et al. Among authors: werner ra. Rapid Commun Mass Spectrom. 2004;18(22):2650-60. doi: 10.1002/rcm.1672. Rapid Commun Mass Spectrom. 2004. PMID: 15481101

9

Optimization of automated gas sample collection and isotope ratio mass spectrometric analysis of delta(13)C of CO(2) in air.

Zeeman MJ, Werner RA, Eugster W, Siegwolf RT, Wehrle G, Mohn J, Buchmann N. Zeeman MJ, et al. Among authors: werner ra. Rapid Commun Mass Spectrom. 2008 Dec;22(23):3883-92. doi: 10.1002/rcm.3772. Rapid Commun Mass Spectrom. 2008. PMID: 18988208

10

Comprehensive inter-laboratory calibration of reference materials for delta18O versus VSMOW using various on-line high-temperature conversion techniques.

Brand WA, Coplen TB, Aerts-Bijma AT, Böhlke JK, Gehre M, Geilmann H, Gröning M, Jansen HG, Meijer HA, Mroczkowski SJ, Qi H, Soergel K, Stuart-Williams H, Weise SM, Werner RA. Brand WA, et al. Among authors: werner ra. Rapid Commun Mass Spectrom. 2009 Apr;23(7):999-1019. doi: 10.1002/rcm.3958. Rapid Commun Mass Spectrom. 2009. PMID: 19263478

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