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
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spike in
Articles tagged spike in. Tags group methods across clusters so a technique can be found from more than one route.
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2 articles
nucleic acid purification
Removing PCR inhibitors from difficult samples
Pick dilution, a further cleanup, or an inhibitor-tolerant polymerase when heme, humic acid, heparin or leftover solvent stops a PCR.
8 October 2026 · 9 min read