This paper describes a highly selective method for the detection and identification of cytokinins at submicrogram levels in plant extracts. The partially purified extracts are reacted with methyt iodide and methyisuIfiny1 carbanion in dime~ylsulfoxide, and the pe~e~ylated derivatives are then analyz
Excretion products of algae: Identification of biogenic amines by gas-liquid chromatography and mass spectrometry of their trifluoroacetamides
✍ Scribed by V. Herrmann; F. Jüttner
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 477 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0003-2697
No coin nor oath required. For personal study only.
✦ Synopsis
The trifluoroacetyl derivatives of 12 biogenic amines were separated by gas-liquid chromatography and identified by mass spectrometry. Vacuum sublimation was used to separate nanomole quantities of amines from algal media and natural waters that contained algae. Trimethylamine, I-aminopropane, 2-aminopropane, and ethanolamine were found in the culture medium of Ochromonas.
Chlamydomonas-enriched backwater contained butanolamine. I-Aminopropane was found in the media of Nitzschia, Ankistrodesmus.
and Microcystis.
Concentrations were approximately 300 pg/liter for Ankistrodesmus and 240 pg/liter for Microcystis media.
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