A non-destructive, dip-in protocol to quantify your biologics in as little as one minute.

Bioassays on FO probe surface. The surface of the gold-coated fiber-optic probe has a carboxyl monolayer to which capture antibodies are covalently bound. Target antibodies bind the capture antibodies in a label-free configuration.

The FOx BIOSYSTEMS biosensor can accurately detect, quantify and measure the potency of your target of interest in a variety of sample matrices. Label-free nM to µM sensitivities in as little as one minute make our fiber-optic surface plasmon resonance (FO-SPR) biosensor a versatile development tool.

• Fast assay time (from 1 to 20 min)
• Clinically relevant sensitivity (0.97 – 80 ng/mL in 100x diluted sample)
• Results better than ELISA, in much less time
• Minimum sample preparation (serum, plasma and whole blood)

hIgG screening.

The protein A sensor probe allows for fast label free concentration screening of total hIgG in cell culture samples. With a fast assay time, down to 1 minute, and ng/ml to µg/ml sensitivity with a wide dynamic range with excellent reproducibility this is an ideal tool for rapid screening.

hIgG concentration example curve on protein A probes. Triplicate data points shown, with CV’s well below 5%.