Portable 4 channel Surface Plasmon Resonance instrument (SPR) Affinite Instruments P4SPR


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    P4SPR- Portable 4-channel Surface Plasmon Resonance

    Accelerating Biotherapeutic Discovery | Understanding Pathways | Elucidating Mechanism

    Easy access to SPR to help scientists uncover biological processes.

    Label-free testing requires little to no sample preparation and, thanks to a compact design, can be performed at your bench. Simultaneous SPR analyses are conducted with three sample channels along with a reference channel. This device is perfect for fundamental research, academic teaching and biotherapeutics quality control.

    Core Technology

    The P4SPR uses benchmark Kretschmann configuration. The total internal reflection setup enables detection in complex media such as serum, milk or waste water.

    Flexible Design

    The chip-based P4SPR requires users to inject various solutions to get real-time data. The three-channel sample port provides high-quality data that can be referenced by the fourth channel. For flow sensitive experiments, the P4SPR can easily be fitted to a pump or put inline with another instrument. See our Spec sheet to learn more.

    Rapid Data Processing

    The P4SPR Control™ software allows for easy data acquisition and processing of P4SPR data. The intuitive data processing method allows users to get a titration curve or affinity data in a very short amount of time.

    P4SPR -Application Notes

    Data per test

    • Qualitative Yes / No Binding
    • Binding Affinity
    • Kinetics
    • Specificity
    • Concentration

    Key benefits of the P4SPR

    • Label-Free Sensing
    • Real-Time Monitoring
    • Cost Effective
    • Multi-Channeled Microfluidic
    • Simple Operation
    • Low Maintenance
    • Small Footprint


    • Technology: Thin film-based Surface Plasmon Resonance (SPR)
    • Dimensions: 175 x 155 x 55 mm
    • Weight: Less than 1.3 kg
    • Power source: USB
    • Microfluidic cell minimum volume: 50 uL
    • Sensitivity: 2750 nm/RIU (nanometers per refractive index unit)
    • Resolution: 1 micro RIU (micro refractive index unit)
    • Dynamic range: 1.33 to 1.39 refractive index unit
    • Coefficient of variation on signal: Greater than 0.6%
    • Light source: Polychromatic
    • Control interface: LabVIEW™ graphical user interface
    • Compatibility: Ridgeview's TraceDrawer™ software
    • Output data compatibility: TraceDrawer™
    • Certification: CE Marked