Label free biosensors are devices that use biological or chemical receptors to detect analytes molecules in a sample they give detailed information on the selectivity affinity and in many. Label free biosensors are devices that use biological or chemical receptors to detect analytes molecules in a sample they give detailed information on the selectivity affinity and in many cases also the binding kinetics and thermodynamics of an interaction although they can be powerful tools in the hands of a skilled user there is often a lack of knowledge of the best methods for . Label free biosensors are devices that use biological or chemical receptors to detect analytes molecules in a sample they give detailed information on the selectivity affinity and in many cases also the binding kinetics and thermodynamics of an interaction although they can be powerful tools in the hands of a skilled user there is often a lack of knowledge of the best methods for . Label free biosensors are devices that use biological or chemical receptors to detect analytes molecules in a sample they give detailed information on the selectivity affinity and in many cases also the binding kinetics and thermodynamics of an interaction although they can be powerful tools in the hands of a skilled user there is often a lack of knowledge of the best methods for