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aseptic technique

Articles tagged aseptic technique. 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
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6 articles

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

cell culture

Antibiotics in medium hide poor technique

When penicillin-streptomycin in routine medium hides a contaminant, and how to choose whether a research culture should grow with or without it.

8 October 2026 · 8 min read

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

Pillar · cell culture

Mammalian cell culture for research labs

How research labs keep mammalian cell culture workable: medium, aseptic technique, confluence, passage records and contamination checks.

8 October 2026 · 8 min read

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

microbiology

Sterile technique for cloning strains

How aseptic handling of non-pathogenic E. coli cloning strains keeps dust, loops and open lids from turning a plate into a mixed culture.

8 October 2026 · 11 min read

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

cell culture

Thawing a vial without cooking it

How to thaw a research cell vial quickly, dilute the cryoprotectant at once, and catch a label, shipment or biosafety problem before the cells are seeded.

8 October 2026 · 7 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

Scientist in a lab coat working inside a Class II biosafety cabinet, seen from behind

cell culture

Working inside a biosafety cabinet

How a Class II biosafety cabinet moves air, how that differs from a chemical fume hood, and which habits keep cultures and workers protected.

8 October 2026 · 9 min read