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Article

Beyond the Petri Dish: The Performance of a Multiplex PCR-Based Pneumonia Panel in Hospitalized Patients With Lower Respiratory Tract Infection.

Research record from Cureus, 2026-03-27. PMID 42046590.

Glossary Term

Biorepository

A storage facility of biospecimens that includes tissue samples, fluids, and molecular derivatives such as DNA, RNA, and proteins. The biorepository has stringent guidelines regarding the standardized collection, handling, storage, and documentation of biological specimens.

Pcr Terms

Article

Breath aerosol PCR for detection of lower respiratory tract infections: evaluation of a non-invasive face mask collector in pneumonia patients.

Research record from J Clin Microbiol, 2026-09-10. PMID 42721424.

Glossary Term

Buffer

An ionic compound that resists changes in its pH.

Pcr Terms

Glossary Term

Carryover Prevention

Enzymatic (e.g. dUTP/UNG) and physical measures that stop amplified DNA from contaminating later runs. Labs with high daily volumes usually require dUTP/UNG chemistry in purchased assays; confirm this when comparing kits from different manufacturers.

Pcr Terms

Glossary Term

cDNA

Single-stranded DNA that is complementary to messenger RNA or DNA that has been synthesized from messenger RNA by reverse transcriptase.

Pcr Terms

Glossary Term

Centrifuge

A machine that uses centrifugal force to separate heavier substances from lighter ones, for removing moisture, or for simulating gravitational effects.

Pcr Terms

Glossary Term

Centromere

The nonstaining primary constriction of a chromosome which is the point of attachment of the spindle fiber; provides the mechanism of chromosome movement during cell division; the centromere divides the chromosome into two arms, and its position is constant for a specific chromosome: near one end (acrocentric), near the center (metacentric), or between (submetacentric).

Pcr Terms

Article