Traditional sampling from a ship using conventional water sampling bottles usually takes many minutes to some hours, providing plenty of time for modification. To overcome this problem, AFIS takes samples and rapidly fixes water directly in the original environment and thereby instantaneously conserves the gene expression profile in situ. This allows a reliable evaluation of microbially driven processes based on metatranscriptomics.
Additional applications are expected in the field of conventional water sampling where immediate fixation of biological matters or chemical substances inside the sample is needed. The single-bottle version AFISsingle has been designed to be operated inside common rosette water sampling systems or as stand-alone instrument when mounted to hydrographic wires or other subaqueous structures like landers, ROVS etc.
The AFIS results from a cooperation with Leibniz-Institute for Baltic Sea Research Warnemuende IOW.
CHARACTERISTICS
- High-pressure injection for fast fixation of the sample within seconds
- Optimised injection system for even distribution of injection fluid
- User-selectable injection fluid
- Pressure-less handling of injection fluid
- Programmable volume of injection fluid
- Programmable schedule for sampling procedure
- For use inside common rosette water sampling systems
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