A Rapid, Sensitive, and Selective Method for Quantitation of Lamprey Migratory Pheromones in River Water

The methodology of using fish pheromones, or chemical signatures, as a tool to monitor or manage species of fish is rapidly gaining popularity. Unequivocal detection and accurate quantitation of extremely low concentrations of these chemicals in natural waters is paramount to using this technique as...

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Veröffentlicht in:Journal of chemical ecology 2011-11, Vol.37 (11), p.1203-1207
Hauptverfasser: Stewart, Michael, Baker, Cindy F., Cooney, Terry
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container_title Journal of chemical ecology
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creator Stewart, Michael
Baker, Cindy F.
Cooney, Terry
description The methodology of using fish pheromones, or chemical signatures, as a tool to monitor or manage species of fish is rapidly gaining popularity. Unequivocal detection and accurate quantitation of extremely low concentrations of these chemicals in natural waters is paramount to using this technique as a management tool. Various species of lamprey are known to produce a mixture of three important migratory pheromones; petromyzonol sulfate (PS), petromyzonamine disulfate (PADS), and petromyzosterol disulfate (PSDS), but presently there are no established robust methods for quantitation of all three pheromones. In this study, we report a new, highly sensitive and selective method for the rapid identification and quantitation of these pheromones in river water samples. The procedure is based on pre-concentration, followed by liquid chromatography/tandem mass spectrometry (LC/MS/MS) analysis. The method is fast, with unambiguous pheromone determination. Practical quantitation limits of 0.25 ng/l were achieved for PS and PADS and 2.5 ng/l for PSDS in river water, using a 200-fold pre-concentration, However, lower quantitation limits can be achieved with greater pre-concentration. The methodology can be modified easily to include other chemicals of interest. Furthermore, the pre-concentration step can be applied easily in the field, circumventing potential stability issues of these chemicals.
doi_str_mv 10.1007/s10886-011-0029-y
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Practical quantitation limits of 0.25 ng/l were achieved for PS and PADS and 2.5 ng/l for PSDS in river water, using a 200-fold pre-concentration, However, lower quantitation limits can be achieved with greater pre-concentration. The methodology can be modified easily to include other chemicals of interest. 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Unequivocal detection and accurate quantitation of extremely low concentrations of these chemicals in natural waters is paramount to using this technique as a management tool. Various species of lamprey are known to produce a mixture of three important migratory pheromones; petromyzonol sulfate (PS), petromyzonamine disulfate (PADS), and petromyzosterol disulfate (PSDS), but presently there are no established robust methods for quantitation of all three pheromones. In this study, we report a new, highly sensitive and selective method for the rapid identification and quantitation of these pheromones in river water samples. The procedure is based on pre-concentration, followed by liquid chromatography/tandem mass spectrometry (LC/MS/MS) analysis. The method is fast, with unambiguous pheromone determination. Practical quantitation limits of 0.25 ng/l were achieved for PS and PADS and 2.5 ng/l for PSDS in river water, using a 200-fold pre-concentration, However, lower quantitation limits can be achieved with greater pre-concentration. The methodology can be modified easily to include other chemicals of interest. Furthermore, the pre-concentration step can be applied easily in the field, circumventing potential stability issues of these chemicals.</abstract><cop>New York</cop><pub>Springer-Verlag</pub><pmid>22076684</pmid><doi>10.1007/s10886-011-0029-y</doi><tpages>5</tpages></addata></record>
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subjects Agriculture
Animal and plant ecology
Animal Migration
Animal, plant and microbial ecology
Animals
Biochemistry
Biological and medical sciences
Biological Microscopy
Biomedical and Life Sciences
Chemical ecology
Chemicals
Chemosensory perception
Cholestanes - analysis
Cholestanes - chemistry
Cholestanes - metabolism
Cholic Acids - analysis
Cholic Acids - chemistry
Cholic Acids - metabolism
Chromatography, Liquid - methods
Ecology
Entomology
Fish migration
Fundamental and applied biological sciences. Psychology
General aspects
Lampreys
Life Sciences
Liquid chromatography
Mass spectrometry
Natural waters
Pheromones
Pheromones - analysis
Pheromones - chemistry
Pheromones - metabolism
Pyrrolidinones - analysis
Pyrrolidinones - chemistry
Pyrrolidinones - metabolism
Rapid Communication
Reproducibility of Results
Rivers
Rivers - chemistry
Tandem Mass Spectrometry - methods
Time Factors
Water - chemistry
Water analysis
Water sampling
title A Rapid, Sensitive, and Selective Method for Quantitation of Lamprey Migratory Pheromones in River Water
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