POSTERS

14C and 13C characteristics of suspended populations in an oligotrophic water column

Estimating C3 and C4-grass abundance in the paleorecord: Development and application of SPIRAL (Single Pollen Isotope Ratio AnaLysis)

Sporulenes, novel antioxidant heptaprenyl metabolites from Bacillus spores

Culture-independent approaches to determining the sources of hopanoid lipids

Determining the nitrogen isotopic composition of geoporphyrins by the denitrifier method

Origins of archaeal tetraether lipids in sediments: Insights from radiocarbon analysis