March 11, 2015

Tempe, AZ, March 11, 2015

Biosensing Instrument Inc (BI) introduced today the BI-4500, a new Label Free Surface Plasmon Resonance (SPR) Analysis System. This new 5-channel SPR system extends the frontier of SPR for academia and pharma R&D by offering high throughput, precision sample delivery with BI’s patented technology, BI-DirectFlowTM and application focused SPR analysis modules.   The new BI-4500 is an ideal solution for investigation in protein-small molecule interactions, biomolecule assay kinetics, conformational changes of proteins and organic thin films and environmental analysis.

The BI-4500 series delivers high quality binding response for low immobilization and small molecule (100 Da) detection, has an autonomous sample preparation and delivery for convenient hands-free operation and its modular innovative design gives researchers with optimal flexibility to choose amongst various analysis modules for electrochemistry, liquid and gas phase SPR applications.

The BI-4500 series is available now.   More information can be found at

About Biosensing Instrument
Biosensing Instrument Inc (BI) is a privately held company based in Tempe, Arizona and a technology leader in label-free molecular interaction analysis applications. The BI solutions are based on the Surface Plasmon Resonance (SPR) technology and the instruments are high performance, modular and cost effective. They are used in academia and biopharmaceutical research for the measurement of affinity and kinetics of small or large biomolecules. Application areas include life sciences, drug discovery, antibody characterization, biosensors and electrochemistry. Information about BI can be found at