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The LOGAN SYSTEM SUS-4000 is designed to test the release rate of suspension drug by flow-thru method, the DRY HEAT temperature controlling system ensures all test are performed at the programmed temperature. The membrane is mounted between the suspension cell (donor) and the Flow-Thru chamber (receptor). Temperature is maintained at 37°C by thermostatically controlled heater blocks, which surround the Suspension cells. Homogenous distribution is accomplished by the agitating motion of a Teflon-covered magnetic stirring bar, driven by an external magnet mounted on a timing motor.
This system saves valuable time by automating sample collection. The SYP Series Syringe Pump Module withdraws & measures pre-heated media volume from the DRY HEAT reservoir at selectable speeds (1, 2, 4, 8, 16, 24, or 32 ml/min). Media are pushed to the flow-thru chamber, mixed with the released suspension drug, and then remixed again in the delivering loop. The precise volume samples are then automatically delivered into HPLC vials or glass tubes.
The samples can be run as close loop or open loop. At each time interval samples are dispensed simultaneously into HPLC vials or glass tubes that are stored in the SCT Series Sample Collectors. For more information please contact Logan Instruments.
