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Electro-osmosis is the migration of supporting medium counterions and solvent toward the appropriate electrode. This net flow of counterions and solvent is in the opposite direction to the migration of the macromolecules of interest. Which of the following statements best describes the effect of electro-osmosis?

Which of the following are true about quality control pools?   1. Commercially bought lyophilized material is preferred material due to its stability   2. Clarified frozen or liquid pools typically have lower SD.   3. Pool matrix does not have to match test samples.   4. Liquid pools may experience greater instability errors associated with shipping batches of a lot to a customer.  

Which of the following best describes the effect of nonspecific binding on the detection limit of an immunoassay?  

Considering only the effect of time on electrophoretic separation, the separation of bands ________ with time, and diffusion of bands _______ with time.  

______ techniques measure light scattered by a particulate solution, and ______ techniques measure a decrease in light transmission through a particulate solution. _____ measurements can be performed on a basic UV/Visible spectrophotometer.

You are analyzing total cholesterol values using a spectrophotometric assay. After running a particular sample, the analyzer reports “value above linear range.” What would be an appropriate plan of action if a sample’s value in an assay indicates a nonlinear result?

In the EMIT system, the absorbance of the product is ______ proportional to the concentration of the unlabeled ligand in the reaction. In the FPIA system, the amount of polarized fluorescent light produced by the reaction is ______ proportional to the concentration of the unlabeled ligand in the reaction.

Which of the following are CLIA ’88 requirements for the use of quality-control materials? 1. At least two control samples of different concentrations must be tested every 24 hours. 2. At least one blood-gas control sample must be tested every 8 hours. 3. Both high and low blood-gas control materials must be tested every 24 hours. 4. At least one calibrator or control must be tested each time a patient sample is tested.

La bicicleta __________ de Laura.

Antes(before) de ir a Ecuador hay que __________.