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APPLICATION
HYDRO-BIOS: Automatic Fluid Injection Sampler AFIS
Category: Automatic Fluid Injection Sampler
Art.No.: 436 430
Keywords: AFIS, Automatic Fluid Injection Sampler
Supplier: Qingdao Watertools Technology?Co., Ltd.
Introduction:

The Automatic Fluid Injection Sampler AFIS provides a novel technique to enhance sampling technology for studying microbially driven biogeochemical processes in the environment by the analysis of metatranscriptomes (messenger RNA).

Transcripts degrade fast – within seconds to minutes. It is known that their abundance patterns detected in nature are subject to considerable modification not only due to environmental changes but simply as a result of sampling procedures. 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.

Automatic Fluid Injection Sampler AFIS

Novel in situ water sampling and fluid injection system

Microorganisms are the driving catalysts of virtually all biogeochemical cycles on this planet. Therefore, knowledge regarding microbial abundances, diversities and activities in the environment is of fundamental interest not only to microbiologists, but also for understanding globally important element cycles. One cultivation-independent approach to deduce those prokaryotic metabolic functions is to analyse metatranscriptomes.

The Automatic Fluid Injection Sampler AFIS provides a novel technique to enhance sampling technology for studying microbially driven biogeochemical processes in the environment by the analysis of metatranscriptomes (messenger RNA).

Transcripts degrade fast - within seconds to minutes. It is known that their abundance patterns detected in nature are subject to considerable modification not only due to environmental changes but simply as a result of sampling procedures.

New Approach

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.

TECHNICAL DETAILS

Length

65 cm

Width

20 cm

Height

20 cm

Sample volume

2 l

Weight on air

20 kg (empty)

Operational depth

3000 m - optional 6000 m

Power supply underwater unit

lithium iron phosphate (LiFePO4), 2500 mAh

Product ID

436 430

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