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contamination

Articles tagged contamination. 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

8 articles

Gloved hand reaching into a CO2 incubator stacked with cell culture flasks of red medium

cell culture

Contamination by bacteria yeast and mycoplasma

How bacteria, yeast and mycoplasma look different in a research culture, which signs you must not trust, and what a testing specification should name.

8 October 2026 · 8 min read

Stacked boxes of pipette tips in blue racks

labware

Filter tips versus standard tips

When a filter tip is the right aerosol barrier for nucleic acid, culture or radioisotope work, and why the pipette still sets accuracy.

8 October 2026 · 8 min read

Mass spectrometer coupled to a liquid chromatography system with sample vials in the foreground

proteomics

Keratin contamination from the bench

Skin, hair, wool and dust shed keratins that can dominate a weak proteomics sample. A blank and the keratin types separate bench contamination from tissue.

8 October 2026 · 9 min read

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

pcr amplification

PCR controls and contamination control

How no-template, positive and inhibition controls decide whether a PCR band can be trusted, and how a shared bench keeps old amplicons out of the next setup.

8 October 2026 · 8 min read

Erlenmeyer flasks of amber bacterial culture clamped on an orbital shaker platform

microbiology

Phage contamination as a concept

Bacteriophage contamination makes many cloning strains fail together and lingers on surfaces. This guide covers how to recognise the pattern and when to stop.

8 October 2026 · 9 min read

Gloved hand pipetting into microtubes kept on ice on a clean stainless RNA workstation

nucleic acid purification

RNase contamination on shared benches

Skin, dust, old racks and recycled tubes seed RNase on a shared bench. Separate contamination from inhibition, and know when a wipe is not enough.

8 October 2026 · 7 min read

Gloved hand reaching into a CO2 incubator stacked with cell culture flasks of red medium

cell culture

Troubleshooting sudden death of a culture

How to name an overnight culture crash: contamination, toxicity, or a temperature excursion, and the first question each appearance of the flask should force.

8 October 2026 · 8 min read

Gloved hand reaching into a CO2 incubator stacked with cell culture flasks of red medium

cell culture

Water baths as a contamination source

How a warm water bath seeds a culture: from the water, onto a vial thread, into the cabinet and then the flask, and which thaw classes avoid shared water.

8 October 2026 · 8 min read