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Record Of Archaeal Activity At The Serpentinite-Hosted Lost City Hydrothermal Field, S. Méhay, G. Früh-Green, Susan Lang, S. Bernasconi, W. Brazelton, M. Schrenk, P. Schaeffer, P. Adam Jun 2015

Record Of Archaeal Activity At The Serpentinite-Hosted Lost City Hydrothermal Field, S. Méhay, G. Früh-Green, Susan Lang, S. Bernasconi, W. Brazelton, M. Schrenk, P. Schaeffer, P. Adam

Susan Q. Lang

No abstract provided.

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Isotopic (Δ13c, Δ14c) Analysis Of Organic Acids In Marine Samples Using Wet Chemical Oxidation, Susan Lang, G. Früh-Green, S. Bernasconi, L. Wacker Jun 2015

Isotopic (Δ13c, Δ14c) Analysis Of Organic Acids In Marine Samples Using Wet Chemical Oxidation, Susan Lang, G. Früh-Green, S. Bernasconi, L. Wacker

Susan Q. Lang

We present a method for the isolation and off-line isotope analysis of formate and acetate in marine samples. Organic acids are separated by high performance liquid chromatography and collected in glass Exetainer® screw-capped vials that have been prespiked with an oxidant and flushed with helium. The vials are subsequently heated to convert the organic compounds to CO2 for radiocarbon and δ13C analysis. Small aliquots are sampled for measurement of δ13C by isotope ratio mass spectrometry, whereas the majority of the CO2 is saved for radiocarbon analysis by accelerator mass spectrometry using a gas ion source. Accurate δ13C and radiocarbon values …

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H2/Ch4 Ratios Cannot Reliably Distinguish Abiotic Vs. Biotic Methane In Natural Hydrothermal Systems, Susan Lang, G. Früh-Green, D. Kelley, M. Lilley, G. Proskurowski, E. Reeves Jun 2015

H2/Ch4 Ratios Cannot Reliably Distinguish Abiotic Vs. Biotic Methane In Natural Hydrothermal Systems, Susan Lang, G. Früh-Green, D. Kelley, M. Lilley, G. Proskurowski, E. Reeves

Susan Q. Lang

No abstract provided.

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Dissolved Organic Carbon Measurement Using A Modified High-Temperature Combustion Analyzer, M. Peterson, Susan Lang, A. Aufdenkampe, J. Hedges Jun 2015

Dissolved Organic Carbon Measurement Using A Modified High-Temperature Combustion Analyzer, M. Peterson, Susan Lang, A. Aufdenkampe, J. Hedges

Susan Q. Lang

No abstract provided.

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Microbial Utilization Of Abiogenic Carbon And Hydrogen In A Serpentinite-Hosted System, Susan Lang, G. Früh-Green, S. Bernasconi, M. Lilley, G. Proskurowski, S. Méhay, D. Butterfield Jun 2015

Microbial Utilization Of Abiogenic Carbon And Hydrogen In A Serpentinite-Hosted System, Susan Lang, G. Früh-Green, S. Bernasconi, M. Lilley, G. Proskurowski, S. Méhay, D. Butterfield

Susan Q. Lang

No abstract provided.

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Serpentinization, Carbon, And Deep Life, M. Schrenk, W. Brazelton, Susan Lang Jun 2015

Serpentinization, Carbon, And Deep Life, M. Schrenk, W. Brazelton, Susan Lang

Susan Q. Lang

No abstract provided.

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Elevated Concentrations Of Formate, Acetate And Dissolved Organic Carbon Found At The Lost City Hydrothermal Field, Susan Lang, D. Butterfield, M. Schulte, D. Kelley, M. Lilley Jun 2015

Elevated Concentrations Of Formate, Acetate And Dissolved Organic Carbon Found At The Lost City Hydrothermal Field, Susan Lang, D. Butterfield, M. Schulte, D. Kelley, M. Lilley

Susan Q. Lang

No abstract provided.

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Probing For Life In The Ocean Crust With The Lexen Program, H. Johnson, J. Baross, T. Bjorkland, W. Brazelton, J. Huber, M. Pruis, Susan Lang, F. Mccrosky, M. Mehta, D. Butterfield, A. Bowen, J. Howland, W. Martin, K. Roe, C. Channing, P. Kalk, C. Kammerer, R. Light, V. Miller, M. Mccarthy, B. Moore, M. Sharma, J. Voit Jun 2015

Probing For Life In The Ocean Crust With The Lexen Program, H. Johnson, J. Baross, T. Bjorkland, W. Brazelton, J. Huber, M. Pruis, Susan Lang, F. Mccrosky, M. Mehta, D. Butterfield, A. Bowen, J. Howland, W. Martin, K. Roe, C. Channing, P. Kalk, C. Kammerer, R. Light, V. Miller, M. Mccarthy, B. Moore, M. Sharma, J. Voit

Susan Q. Lang

No abstract provided.

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Stable Isotope Analysis Of Organic Carbon In Small (Μg C) Samples And Dissolved Organic Matter Using A Gasbench Preparation Device, Susan Lang, S. Bernasconi, G. Früh-Green Jun 2015

Stable Isotope Analysis Of Organic Carbon In Small (Μg C) Samples And Dissolved Organic Matter Using A Gasbench Preparation Device, Susan Lang, S. Bernasconi, G. Früh-Green

Susan Q. Lang

No abstract provided.

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Sources And Cycling Of Carbon In Continental, Serpentinite-Hosted Alkaline Springs In The Voltri Massif, Italy, E. Schwarzenbach, Susan Lang, G. Früh-Green, M. Lilley, S. Bernasconi, S. Méhay Jun 2015

Sources And Cycling Of Carbon In Continental, Serpentinite-Hosted Alkaline Springs In The Voltri Massif, Italy, E. Schwarzenbach, Susan Lang, G. Früh-Green, M. Lilley, S. Bernasconi, S. Méhay

Susan Q. Lang

No abstract provided.

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Purification Of Fire Derived Markers For Μg Scale Isotope Analysis (Δ13c, Δ14c) Using High Performance Liquid Chromatography (Hplc), M. Gierga, M. Schneider, D. Wiedemeier, Susan Lang, R. Smittenberg, I. Hajdas, S. Bernasconi, M. Schmidt Jun 2015

Purification Of Fire Derived Markers For Μg Scale Isotope Analysis (Δ13c, Δ14c) Using High Performance Liquid Chromatography (Hplc), M. Gierga, M. Schneider, D. Wiedemeier, Susan Lang, R. Smittenberg, I. Hajdas, S. Bernasconi, M. Schmidt

Susan Q. Lang

No abstract provided.

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A Method To Measure The Isotopic (13C) Composition Of Dissolved Organic Carbon Using A High Temperature Combustion Instrument, Susan Lang, M. Lilley, J. Hedges Jun 2015

A Method To Measure The Isotopic (13C) Composition Of Dissolved Organic Carbon Using A High Temperature Combustion Instrument, Susan Lang, M. Lilley, J. Hedges

Susan Q. Lang

No abstract provided.

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Dissolved Organic Carbon In Ridge-Axis And Ridge-Flank Hydrothermal Systems, Susan Lang, D. Butterfield, M. Lilley, H. Johnson, J. Hedges Jun 2015

Dissolved Organic Carbon In Ridge-Axis And Ridge-Flank Hydrothermal Systems, Susan Lang, D. Butterfield, M. Lilley, H. Johnson, J. Hedges

Susan Q. Lang

No abstract provided.

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Sources Of Organic Nitrogen At The Serpentinite-Hosted Lost City Hydrothermal Field, Susan Lang, G. Früh-Green, S. Bernasconi, D. Butterfield Jun 2015

Sources Of Organic Nitrogen At The Serpentinite-Hosted Lost City Hydrothermal Field, Susan Lang, G. Früh-Green, S. Bernasconi, D. Butterfield

Susan Q. Lang

No abstract provided.

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