Glossary – Luminex xPONENT 4.0 SP1 User Manual

Page 143

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Glossary

21CFRPart11

21 CFR Part 11 sets the criteria under which the Food and Drug
Administration (FDA) considers electronic records, electronic
signatures, and handwritten signatures executed to electronic records
to be trustworthy, reliable, and generally equivalent to paper records
and handwritten signatures executed on paper.

agglutination

The coalescing of small particles that are suspended in solution; these
larger masses are then (usually) precipitated.

ambient temperature

The temperature of the surrounding environment.

analyte

A substance that is detected through assay analysis. Each test or
bead set will test for a specific analyte.

analyzer

This term is used to refer to the Luminex analyzer.

APD

Avalanche Photo Diode; Measures the excitation emission intensity of
the color coding classification dye mixtures inside the microsphere
and the amount of light scattered as particles pass by the lasers.

assay

A substance or analyte or a group of substances or analytes
undergoing evaluation or analysis.

background (noise)

That portion of a bead set result that can be attributed to excess
reporter molecules in the solution, nonspecific binding, or fluorescent
spillover from another fluorochrome into the reporter channel.

batch

A group of samples that are processed using a selected protocol.

bead

Shorthand terminology for an xMAP microsphere.

bead map

A collection of bead sets with defined classification coordinates.

bead set

A set of xMAP microspheres that have a uniquely identifiable ratio of

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