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Stopped-flow & quench-flow instruments
Biologic Stopped Flow and Quench Flow Systems for Rapid Kinetics Measurement
SFM-20 Two Syringe Stopped Flow
Deadtimes down to 0.4 milliseconds
2 independently controlled syringes and 1 mixer
The best choice for Stopped-Flow experiments requiring only 2 reactants.
Optimized for micro-volume operation
Sub millisecond mixing: dead time down to 0.4 ms with the microcuvette accessory
SFM-300/SFM-400 Three and four Syringe Stopped Flow
Deadtimes down to 0.25 milliseconds
3 or 4 independently controlled syringes and 2 or 3 mixers
Sub millisecond mixing: dead time down to 0.6 ms in standard, 0.25 ms with the microcuvette accessory
Standard Stopped-Flow configuration for all optical modes : absorbance, fluorescence, circular dichroism, fluorescence anisotropy.
Optional hardware converts SFM-300/SFM-400 for:
- Chemical Quench-Flow
- Optical or flash light Quench-Flow
- Freeze-Quench-Flow
- X-ray scattering Stopped-Flow
- Neutron scattering Stopped-Flow
- EPR Stopped-Flow
- Cryo-temperature Stopped-Flow
- Automatic titration
- Stopped-flow conductimetry
- Thermal denaturation
Quench-flow instruments
We have several versions of quench-flow instrument. Your choice may be dependent on your application. In all cases, our instruments have the great advantage of having one motor drive per syringe, this allows a great flexibility in the programming of the mixing sequences. The flow rate of all the syringes can be programmed independently and the nature of the sequence tuned to the specific application.
SFM-300/SFM-400
The SFM-300/Q and 400/Q feature the most versatile instruments capable of single mixing + quench (SFM-300/Q) or double mixing + quench (SFM-400/Q). Both instrument can operate in continuous flow and interrupted flow modes. The SFM-300/Q and SFM-400/Q may be converted easily into classical stopped-flow versions with the addition of the /S upgrade kit.
Dedicated quench-flow instruments full information
The QFM-400 microvolume instrument is a more specialized machine that has been optimized for the very small volume operation. This instrument operates in the single mixing + quench mode. It features the most economic quench-flow machine of the market. One of the main source of sample economy comes from the fact that only one single delay line is used for the entire time course of the kinetics.
See also our "classical" successful QFM-5
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