Sterane

 
National Institutes of Health

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Delta- CortefMeti DermMeticortelonehydeltra
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prednisolone

Papers overview

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2015
2015
Reappraisal of hydrocarbon biomarkers in Archean rocks.
Hopanes and steranes found in Archean rocks have been presented as key evidence supporting the early rise of oxygenic… (More)
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2014
2014
PAHs (polycyclic aromatic hydrocarbons), nitro-PAHs, and hopane and sterane biomarkers in sediments of southern Lake Michigan, USA.
PAHs in the Great Lakes basin are of concern due to their toxicity and persistence in bottom sediments. Their nitro derivatives… (More)
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2013
2013
Chemical fingerprinting of petroleum biomarkers in Deepwater Horizon oil spill samples collected from Alabama shoreline.
We compare the chromatographic signatures of petroleum biomarkers in Deepwater Horizon (DH) source oil, three other reference… (More)
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2008
2008
Palaeoproterozoic ice houses and the evolution of oxygen-mediating enzymes: the case for a late origin of photosystem II.
Two major geological problems regarding the origin of oxygenic photosynthesis are (i) identifying a source of oxygen pre-dating… (More)
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Highly Cited
2003
Highly Cited
2003
Composition and syngeneity of molecular fossils from the 2 . 78 to 2 . 45 billion-year-old Mount Bruce Supergroup , Pilbara Craton , Western Australia
Shales of very low metamorphic grade from the 2.78 to 2.45 billion-year-old (Ga) Mount Bruce Supergroup, Pilbara Craton, Western… (More)
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2003
2003
Semipermeable membrane devices accumulate conserved ratios of sterane and hopane petroleum biomarkers.
Semipermeable membrane devices (SPMDs) are commonly used as a time-integrated measure of aqueous concentrations of persistent… (More)
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2000
2000
Analysis of sediments from Shetland Island voes for polycyclic aromatic hydrocarbons, steranes and triterpanes.
A few days after the grounding of the oil tanker Braer on 5 January 1993, an Exclusion Zone was designated by Order under the… (More)
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1999
1999
Composition of Light-Duty Motor Vehicle Exhaust Particulate Matter in the Denver , Colorado Area
  • 1999
A study to characterize particulate matter emissions from 195 in-use gasoline and diesel passenger vehicles was conducted during… (More)
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Highly Cited
1994
Highly Cited
1994
Carbon isotopic fractionation in lipids from methanotrophic bacteria: relevance for interpretation of the geochemical record of biomarkers.
Experiments with cultured aerobic methane oxidising bacteria confirm that their biomarker lipids will be significantly depleted… (More)
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1994
1994
Study of 22-Year-Old Arrow Oil Samples Using Biomarker Compounds by GC/MS.
A GC/MS method for the characterization of 22-year-old spilled Arrow oil is described. After 22 years of weathering in the… (More)
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