Videos 1 - 8 for Isoprenoid

01:03 -1 year ago
fragments of the same mass can be formed when an isoprenoid loses a methyl group. Common mass ions of isoprenoids, also, yield large peaks in the mass spectra of ...
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01:04 -1 year ago
The James M. DuPont Meteorite Collection - is a diterpenoid or isoprenoid which is, also, a common component of fish and crude oils. The concentrations of phytane in 10 ...
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01:07 -1 year ago
loss of some alkyl, usually methyl substituents, from the highly substituted isoprenoid ring systems. Conse- (juently, aromatics formed from terpenes and steroids would ...
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00:57 -1 year ago
The James M. DuPont Meteorite Collection - that saturated isoprenoid type hydrocarbons synthe- sized either by living things*-'* or from sterol and isoprenol remnants of organisms ...
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00:56 -1 year ago
acids and alcohols and sulfate ions. Conversions of olefinic steroid and isoprenoid acids and alcohols into stable aromatic molecules result ... Meteorite Life Fossils ...
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01:46 -1 year ago
The James M. DuPont Meteorite Collection - spectrometric studies on the isoprenoids and other isomeric alkanes in carbonaceous chondrite s." Geochim. Cosmochim.Acta 34, 981-994 ...
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01:06 -1 year ago
are indicative of poly alkyl-substituted or branched chain alkanes such as isoprenoids. Saturated hydrocarbons, made by hydrogenating products of the abiotic Fischer- ...
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01:12 -1 year ago
'* ' that naturally occurring aromatics may be products of transformations of isoprenoids and steroids, and this proposal has recently been supported by the identification of ...
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