Stephen A. Macko - Concepedia

Author

Stephen A. Macko

Also Known As

Konstantinos Kourtidis, Macko, S.A., Macko, Stephen, Macko, Stephen A, Macko, Stephen A., S A Macko, S MACKO, S. A. Macko, S. Macko, S.A Macko

361

Publications

17.4K

Citations

H-Index

163

Concepts

All Affiliations

University of Virginia University of Oklahoma Memorial University of Newfoundland William & Mary Texas A&M University

About

Stephen A. Macko is an author at University of Virginia specializing in engineering, biogeochemistry, and organic geochemistry.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	64	134	12.3K
2	Medicine	22	23	3.6K
3	Natural Sciences	18	20	1.6K
4	Health Sciences	3	3	413
5	Language Studies	2	2	269

Stephen A. Macko

181

Publications

16.7K

Citations

H-Index

Page 1

	Year	Citations
Dependence of phytoplankton carbon isotopic composition on growth rate and [CO2)aq: Theoretical considerations and experimental results Edward A. Laws, Brian N. Popp, Robert R. Bidigare, Geochimica et Cosmochimica Acta Organic GeochemistryCarbon SequestrationBiogeochemistryExperimental ResultsEngineering	1995	764
Isotopic fractionation of nitrogen and carbon in the synthesis of amino acids by microorganisms Stephen A. Macko, Marilyn L. Fogel, P. E. Hare, Chemical Geology Isotope Geoscience section BiosynthesisBiological Carbon FixationAmino AcidsBiochemistryBiotransformation	1987	554
Isotopic evidence for extraterrestrial non- racemic amino acids in the Murchison meteorite Michael H. Engel, Stephen A. Macko Nature Isotope GeochemistryAstrochemistryIsotopic EvidenceChemistryMurchison Meteorite	1997	487
Kinetic fractionation of stable nitrogen isotopes during amino acid transamination Stephen A. Macko, Marilyn L.F. Estep, Michael Engel, Geochimica et Cosmochimica Acta EngineeringBiochemistryReactive Nitrogen SpecieIsotope GeochemistryStable Isotope Probing	1986	421
Microbial alteration of stable nitrogen and carbon isotopic compositions of organic matter Stephen A. Macko, Marilyn L.F. Estep Organic Geochemistry Organic GeochemistryBiogeochemistryEngineeringStable NitrogenOrganic Matter	1984	367
Insights into nitrogen and carbon dynamics of ectomycorrhizal and saprotrophic fungi from isotopic evidence Erik A. Hobbie, Stephen A. Macko, Herman H. Shugart Oecologia BiologyBiogeochemistryCarbon DynamicsSaprotrophic FungiMicrobial Ecology	1999	342
Deep-Sea Hydrocarbon Seep Communities: Evidence for Energy and Nutritional Carbon Sources James M. Brooks, M.C. Kennicutt, C. R. Fisher, Science EngineeringDeep-sea EcologyMarine ChemistryOceanographyLight Sulfur	1987	332
Anomalous CH4 and NH4+ concentrations at an unsedimented mid-ocean-ridge hydrothermal system Marvin D. Lilley, D. A. Butterfield, E. J. Olson, Nature Organic GeochemistryMarine GeologyChemical OceanographyEngineeringNh4+ Concentrations	1993	329
Stable carbon isotope analysis of amino acid enantiomers by conventional isotope ratio mass spectrometry and combined gas chromatography/isotope ratio mass spectrometry J.A. Silfer, Michael Engel, Stephen A. Macko, Analytical Chemistry EngineeringBiological Mass SpectrometryAltmetric Attention ScoreOrganic ChemistryGas Chromatography	1991	318
Nitrogen cycling in the soil–plant system along a precipitation gradient in the Kalahari sands Julieta N. Aranibar, L. Otter, Stephen A. Macko, Global Change Biology EngineeringNitrogen CyclingLand DegradationEarth ScienceTerrestrial Ecosystem	2003	290

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