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Selective biofilters are used by cells to control the transport of proteins, nucleic acids, and other macromolecules. Biological filters demonstrate both high specificity and rapid motion or high flux of proteins. In contrast, high flux comes at the

In biological systems, polymeric materials block the movement of some macromolecules while allowing the selective passage of others. In some cases, binding enables selective transport, while in others the most inert particles appear to transit most

Tubulin, a protein found in your cells, quietly lends itself to many life processes. It sorts itself into long chains, forming tubes that provide scaffolding for living cells. A versatile shapeshifter, tubulin can arrange itself into different