Sterane

 
National Institutes of Health

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2015
2015
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 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
We compare the chromatographic signatures of petroleum biomarkers in Deepwater Horizon (DH) source oil, three other reference… (More)
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2008
2008
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
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 (SPMDs) are commonly used as a time-integrated measure of aqueous concentrations of persistent… (More)
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2000
2000
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
  • 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
Experiments with cultured aerobic methane oxidising bacteria confirm that their biomarker lipids will be significantly depleted… (More)
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1994
1994
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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