Supply of Chemostats and Bioreactors
We wish to obtain up to 8 x chemostats/ bioreactors (priced as separate units). Publication date:20/02/2012
In order to develop an experimental system to mimic fermentations in a wide range of gut environments.
we wish to obtain
Up to 8 x chemostats/ bioreactors (priced as separate units)
All systems capable of aseptic operation under both aerobic and anaerobic conditions.
Vessels to have an operating volume of 2 liters or less, each vessel to be supplied with and without a downward sloping side arm output within the operating volume, internal diameter of at least 3 cm.
Each vessel to have independent control and monitoring of;
Agitation via stirring
pH,
dO2 and/or redox
temperature (from RT to 42C)
Gas flow (meter capable of controlling gas at very low flow 2-10 of mL/min)
The top plate must have spare ports capable of accepting additional probes and or inputs that may become available at a later date, in order to keep the systems current (at least 1 additional port with a diameter ~ 20mm with clear vertical clearance to be able to mount and external solid feeder unit to be obtained separately).
A computerised based monitoring system for all vessels and if available a computerised control system.
Optional
Feeding pumps for buffer and outflow controlled directly with the controller or via the computer so every fermenter is truly independent (avoiding use of multichannel peristaltic pump).
Interchangeable vessel to be able to work with volumes of 1-2L and 100-500mL.
Classification of contract (CPV codes)
38000000 – Laboratory, optical and precision equipments (excl. glasses).
Most economically advantageous tender in terms of:Criteria as detailed in the contract documents
SECTION IV: Administrative Information
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Regards
Mike Smith
Procurement Manager
Aberystwyth University