Protein size

Explained how certain substances could pass through membranes while others could not and presented the concept of osmotic pressure. This work laid the foundation for calculating molecular weights of proteins and understanding macromolecules.
 Wilhelm Friedrich Philipp Pfeffer Germany 1877 Protein size

Explained how certain substances could pass through membranes while others could not and presented the concept of osmotic pressure. This work laid the foundation for calculating molecular weights of proteins and understanding macromolecules.