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The Protein Laboratory

Centrifugation
Dialysis
Protein Precipitation
Chromatography
Size Exclusion - Gel Filtration
Ion Exchange
Affinity Chromatography
TLC and Paper Chromatography
HPLC
Gas-Liquid Chromatography
Isoelectric Focusing
Protein Electrophoresis
SDS-PAGE
Two-Dimensional Electrophoresis
Western Blotting
Protein Mass Spectroscopy
Protein Sequencing
ELISA
Chemistry LibreTexts - Protein Purification

Gonzaga University - Protein methods

Concise overview.

Larner College of Medicine - Protein Purification Methods

Great introductory article briefly explicating most of the core techniques of the protein lab.

Western Oregon University - Protein Purification

Though somewhat lengthy, this is a great treatment of a subject matter that finds its way into many passages on the MCAT.

Topic Resources

Interdisciplinary MCAT Course Videos
Conceptual Vocabulary
Images for Teachers
figures for classroom presentation