In a precipitin reaction, an excess of antigen over an antibody will lead to

What is the function of the vacuum system in a mass spectrometer?

Using whole blood as the specimen of choice in an automated analytical system

In the thin-layer chromatography procedure for drug screening, the retention factor (Rf) value for a compound is given by the

A measure of peak separation in a chromatographic method that equals the difference in retention time for two components divided by the average of their peak widths is the definition of

In a mass spectrometer, the ion with the highest abundance in the mass spectrum that is assigned a relative abundance of 100% is referred to as the

An antibody that has very strong affinity to a single antigenic epitope is referred to as a(n) _____ antibody.

Some analytes must be derivatized to increase their column retention or detectability. Derivatization means

In a mass spectrometer, ion detection is typically accomplished through the use of an electron multiplier. This involves

The type of automated analyzer in which the operator is able to use in-house reagents or reagents purchased from suppliers different from the analyzer's manufacturer is referred to as a(n)

Because of the ability to identify and quantify proteins in a complex mixture, mass spectrometry combined with separation methods is an excellent analytical tool used specifically in the field of

In regard to mass spectrometry, what is a molecular ion?

A substance that cannot elicit an immune response alone but that must be conjugated to a carrier molecule to cause antibody production is referred to as a(n)

The substance that is typically injected into an animal to elicit an immune response and induce formation of an antibody is the

The type of separation mechanism for chromatography that involves, as one example, use of immunologic principles is _____ chromatography.

You are preparing placental tissue for separation and isolation of a specific enzyme. The enzyme has a negative charge, so you want to use chromatography to perform your task. Which one of the following chromatographic separation mechanisms would be most useful?

The most significant improvement in the quality of laboratory test results can be attributed to the ability of automation to

In partition chromatography, separation is based on

The component of an immunoglobulin molecule that determines the antigenic specificity of that antibody is the

You would like to offer a service to the researchers in your institution for identification and quantitative analysis of proteins produced by microorganisms in liquid media using your HPLC-mass spectrometer system. Which one of the ionization techniques is best suited for this analysis?