This is an archived course. A more recent version may be available at ocw.mit.edu.

Lecture Notes

LECĀ # TOPICS FILES
1 Acetogenic lipids and their fossil counterparts in petroleum and bitumen; e.g. alkanes, fatty acids; chain-length, branching systematics and isotopic compositions of fatty acids and hydrocarbons; overview of identification techniques; biological sources; algeanans; functional roles; geological occurrence. (PDF - 2.2MB)
2 Isoprenoid lipids; biosynthesis; isomerism and other structural aspects; archaeal and non-archaeal sources; structure vs physiology; bicyclic and tricyclic isoprenoids; other cyclised polyprenoids; geological record. (PDF - 2.7MB)
3 Mono-, sesqui-, di- and triterpenoids 1; biosynthetic issues; bacteria and eukaryotes; Bacteriohopanepolyols; analytical issues; phylogeny & physiology vs structure; BHP to hopane diagenesis; biomarkers for source, maturity of OM. (PDF - 3.1MB)
4 Steroids; biosynthetic issues; role of oxygen; physiological roles; formation by Bacteria and Eukarya; sterol to sterene to sterane diagenesis; biomarkers for source and maturity in fossil OM; age-related changes in occurrence and paleoenvironmental indicators. (PDF - 2.3MB)
5 Triterpenoids 2 including plant-derived terpenoids; biomarkers for an evolving ocean plankton. Biomarkers diagnostic of geological age. (PDF - 3.8MB)
6 Analytical techniques for biomarker analysis; Isolation and fractionation protocols; Gas chromatography; Mass spectrometry; IPL and pigment analysis by LC-MS. (PDF - 2.8MB)