protein biochemistry
A glossary of protein-prep terms
Fourteen protein-prep words, from lysate to glycerol stock, each tied to the mistake it stops before a purification is misread.
8 October 2026 · 9 min read
Tag
purification
Articles tagged purification. 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
6 articles
nucleic acid purification
A glossary of purification terms
Define chaotrope, bind-wash-elute, yield, purity ratios and RIN, then walk a purification so those words describe one real workflow.
8 October 2026 · 9 min read
chromatography
Affinity and ion-exchange protein purification
How affinity capture and ion exchange pull a protein from a lysate, and why each collected fraction still needs an identity check.
8 October 2026 · 9 min read
Pillar · chromatography
Chromatography methods in life-science labs
How life-science chromatography separates molecules on a stationary phase, and what an HPLC or column peak does not prove about purity.
8 October 2026 · 9 min read
protein biochemistry
Documenting a purification so it can be repeated
Which buffer pH, resin lot, gradient, gel, yield assay and tube location another person needs before a purification can be repeated.
8 October 2026 · 7 min read
protein biochemistry
His-tags and why a band is not pure protein
A His-tag elution can look like one band and still be a mixture. IMAC is a capture step, and a second method is what supports a purity claim.
8 October 2026 · 6 min read