microbiology
Antibiotic stocks and outdated plates
How to retire antibiotic stocks and agar plates for cloning strains when heat, age or drying would fake a lawn or an empty plate.
8 October 2026 · 8 min read
Tag
media
Articles tagged media. 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
4 articles
microbiology
Autoclaving media and antibiotic timing
An autoclave is pressurised steam, and heat-labile antibiotics go in only after the medium has cooled. This glossary separates those steps from a warm oven.
8 October 2026 · 8 min read
microbiology
LB and other media as carbon and salt
What tryptone, yeast extract and salt actually supply in LB, and how SOB, SOC and defined media change cloning-strain growth.
8 October 2026 · 8 min read
microbiology
Questions before an enzyme or media enquiry
A useful enzyme or media enquiry names the strain, the recognition or recipe class, the antibiotic, and the documents you need. This page is that checklist.
8 October 2026 · 8 min read