The new automated Multi-Parametric Surface Plasmon Resonance (MP-SPR) instrument from BioNavis solves some of the previously open-ended questions and enables measurements on a number of samples, surfaces and conditions, traditional SPR cannot. The instrument boasts high sensitivity, real-time, label-free monitoring of molecular interactions and measurements of nanoscale films.
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Benefits include:
SPR Navi instruments are the only SPR instruments on the market using the newest technique – the Multi-Parametric SPR. While others measure only the angular position of the SPR peak, the Navi measures the whole SPR curve. This enables you to measure chips coated with other metals as well as gold and to measure both thin and thick samples. Moreover, the Navi can be equipped with up to 4 lasers with various wavelengths. This offers you the unique possibility to work also with absorbing samples or to measure refractive index (RI) when thickness is not known precisely and vice versa.
This innovative system uses a wide angular scan range to produce a complete SPR curve. This allows the simultaneous characterisation of surfaces in gas and/or liquid so that a surface can be checked before sample injection.
While others measure only the angular position of the SPR peak, the BioNavis SPR Navi measures the whole SPR curve.
Click here to contact usThe unique design of the sensor plate holder and easy “drop-in” action means there is very little risk of contamination. Sensor plates can be modified outside the instrument prior to analysis. This enables the user to create a huge range of custom-modified surfaces. The removable sensor system allows combining SPR data with other surface measurements such as topography, wettability, chemical composition, photochemical processes swelling and adsorption.
The proprietary optical gel does away with the need for messy and potentially contaminating index-matching oil. It enables convenient access to the removable flow cell resulting in a contamination-free environment.
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An incident beam of p-polarized light strikes an electrically conducting gold layer at the interface of a glass sensor (high Refractive Index) and an external medium with low RI (gas or liquid).
At a given angle, the excitation by light of surface plasmons existing at the interface generates a “resonance” of these surface plasmons – resulting in a reduced intensity of the reflected light.
At a given angle, the excitation by light of surface plasmons existing at the interface generates a “resonance” of these surface plasmons – resulting in a reduced intensity of the reflected light.
A slight change at the interface (e.g. a change in refractive index or nanoscale film thickness) will lead to a change in SPR signal – allowing precise measurements of nanoscale film properties as well as surface molecular interactions.
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