Biodirect: chromatography-spectroscopy

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ID	Product	Manufacturer	Model #	Model 2	Status

5647	Chromatography:Cross-Flow Filtration	Amersham Biosciences	AKTA Crossflow		Available
Description/Details: ÄKTAcrossflow is the first fully automated system for cross flow filtration process development and is ideal for filter screening and process optimization at small-scale. ÄKTAcrossflow together with UNICORN control software puts you in control of your cross fl ow process to allow consistent simulation of large-scale conditions and provide data for comprehensive analysis of results. The benefits of working with ÄKTAcrossflow include: • Broad range of applications that cover ultra filtration and microfiltration • Flexible operation of either hollow fiber cartridges or cross flow cassettes • Thorough and efficient process development with full TMP and flux scouting • Single familiar UNICORN interface for both chromatography and membrane separations • No disruption to proteins or cells with low shear force pumps that require no cooling • Minimum working volume of 25 ml ensures operation of complete processes using filters between 40 cm2 a...


5998	Chromatography:Dual Pulse Stimulator	Harvard Apparatus	50-6012		Available
Description/Details: This unit has a wider frequency range of 0.1 to 1000Hz and a dual pulse function. When dual pulse mode is selected a secondary pulse is generated behind the initial pulse; a delay circuit controls the time difference between the two pulses. The 6012 is also capable of producing Tetanic Train Pulses internally without the need to utilise any other external triggering. Specifications Frequency Range 0.1 to 1000 Hz in 4 ranges Pulse Width Range 0.1 to 5mS in 6 preset steps Dual Pulse Delay 0 to 1000 mS Output Amplitude 0 to 0.5 Volts, 0 to 5 Volts or 0 to 50 Volts Rise and Fall Time > 5 μ sec Gate In Short Circuit or 12 Volt (Max) Logic Pulse (triggers on falling edge) Connections 2 x insulated 4 mm sockets (Output) 3 x BNC Socket (Gate & Sync Connections) Power 110-115 Volts 60Hz or 220-230 Volts 50Hz...

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