Skip to content
EVRINTH

Tag

contaminants

Articles tagged contaminants. Tags group methods across clusters so a technique can be found from more than one route.

All topicsBuffers and laboratory water26Cell culture26Chromatography26Cold chain and sample storage26Cytometry and microscopy26DNA sequencing26Gels and blotting26Gene expression26Genome editing26Immunoassays26Laboratory labware26Laboratory safety26Liquid handling26Microbiology26Molecular cloning26Nucleic acid purification26PCR and amplification26Protein biochemistry26Proteomics26Research sourcing and study design26
cold chainbiosafetycrisprspecificationsequencingproteomicsenquiryglossarytroubleshootingcloningmicrobiologybuffersfreezerspipettingcalibrationelisacell cultureglassware

1 article

Gloved hand closing the lid of a benchtop PCR thermal cycler holding a strip of PCR tubes, city lights at dusk behind

pcr amplification

Inhibition of PCR by sample contaminants

Separate a true PCR negative from a dead tube when heme, humic acids, ethanol, guanidine, heparin, bile salts or excess DNA may be present.

8 October 2026 · 8 min read