Size-resolved emissions of organic tracers from light- and heavy-duty vehicles measured in a California roadway tunnel (Publications)
Individual organic compounds found in particulate emissions from vehicles have proven useful in source apportionment of ambient particulate matter. Species of interest include the hopanes, originating
Leishmanicidal cycloartane-type triterpene glycosides from <em>Astragalus oleifolius</em> (Publications)
Two new cycloartane-type glycosides oleifoliosides A (1) and B (2) were isolated from the lower stem parts of Astragalus oleifolius. Their structures were identified as 3-O-[beta-xylopyranosyl-(1 -->