Definition of Steranes. Meaning of Steranes. Synonyms of Steranes

- Steranes constitute a class of tetracyclic triterpanes derived from steroids or sterols via diagenetic and catagenetic degradation, such as hydrogenation...
- basin dating back perhaps to 1.6 to 1.7 billion years ago. The presence of steranes, eukaryotic-specific biomarkers, in Australian shales previously indicated...
- 0]decane) Polycycloalkanes Adamantane Diamondoid Perhydrophenanthrene Sterane Cubane Prismane Dodecahedrane Basketane Churchane Pagodane Twistane Other...
- Their presence has been indirectly detected by fossilized steroids, called steranes, hydrocarbon markers characteristic of the cell membranes of the sponges...
- and steranes that are thought to be derived from cyanobacteria and eukaryotes, respectively, were found in the Pilbara of Western Australia. Steranes are...
- forms do exist, such as the sterane campestane (24R-methylcholestane). Along with cholestane and stigmastane, this sterane is used as a biomarker for early...
- aromatic hydrocarbons, hopanes, steranes, and specific nitroarenes (e.g. 1-nitropyrene). The ratio of hopanes and steranes to elemental carbon can be used...
- have evolved during the Archean without leaving any.: 306, 323  Fossil steranes, indicative of eukaryotes, have been reported from Archean strata but were...
- 0]decane) Polycycloalkanes Adamantane Diamondoid Perhydrophenanthrene Sterane Cubane Prismane Dodecahedrane Basketane Churchane Pagodane Twistane Other...
- C26 steranes are present in samples in much lower quantities, generally a magnitude lower, as compared to more common C27, C28, and C29 steranes. Instead...