ANALYSIS OF HYDRILLA-INHIBITING FRACTIONS IN NATURAL WATERS: THE CONCEPT OF 'FINGERPRINTING' THROUGH LIQUID CHROMATOGRAPHY

Autor:	Patricia M. Dooris, George M. Dooris, Dean F. Martin, Robert J. Bova
Rok vydání:	1986
Předmět:	Trout Chromatography Ecology biology Natural water Hydrilla Sediment Fraction (chemistry) biology.organism_classification River water High-performance liquid chromatography Earth-Surface Processes Water Science and Technology
Zdroj:	Journal of the American Water Resources Association. 22:283-287
ISSN:	1752-1688 1093-474X
DOI:	10.1111/j.1752-1688.1986.tb01885.x
Popis:	High performance liquid chromatography (HPLC) has been used to identify a fraction of aqueous sediment extract from Lake Starvation, Hillsborough County, Florida, that is responsible for inhibition of hydrilla growth. The fraction was separated on a Zorbax™ C18 preparative-scale column. The present study examines various lake sediment extracts and river water samples to determine the presence or absence of the inhibitor peak. The biologically active component is absent in certain rivers where hydrilla is prominent, but it is present in extracts of Lake Starvation and White Trout Lake sediments that are known to have hydrilla growth inhibiting properties. The implications of “fingerprinting” natural waters for hydrilla inhibitor through liquid chromatography are considered.
Databáze:	OpenAIRE
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