To maintain reliable results what buildup must be removed from the surface of

To maintain reliable results what buildup must be

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50.To maintain reliable results, what buildup must be removed from the surface of ISE electrodes?51.Chromatography is defined as the separation of analytes in solution based on what differences of the solutes in the mobile and stationary phase? 52.The stationary phase is coated on to glass, the mobile phase is liquid. This is an example of which type of chromatography?53.The stationary phase is in a tightly packed column, and the mobile phase can be gas or liquid is an example of which type of chromatography?54.Give the formula for the Rfor retention factor used in the identification of unknown samples in TLC by comparing the Rfof the sample to the Rfof a standard.55.In HPLC, what is used to force the mobile phase through the stationary phase that consists of a tightly packed column?____________________
56.Gas Chromatography, in which both the mobile phase and the solute to be separated are in the gaseous phase, is most often coupled to which other instrument or technique?57.Monoclonal antibodies and polyclonal antibodies:58.List three classes of labels used in immunoassay methodologies:59.An individual monoclonal antibody will bind several differentsites (epitopes) on an analyte.60.In noncompetitive immunoassay formats, the measured signal istypically _____________to the analyte concentration in specimen.61.Which immunoassay methodology is preferred to provide thehighest sensitivity and highest specificity?62.Label each statement as either characteristic of a heterogeneous immunoassay or a homogeneous immunoassayHeterogeneousrequires the separation of unbound complexesHomogeneousdoes not require separation of unbound complexes from the bound complexesHeterogeneousutilizes a solid phase reagent such as a magnetic particle or plastic bead

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