Nanopores are essentially nanoparticles whose surface contains pores, which can be used for containing drugs. Uniformly spaced holes are created on the surface in which a drug molecule is contained. The pore size imposes a restriction on the size of the biomolecules present. This means that small molecules like oxygen, glucose, insulin, neurotransmitters, etc. can move across the pore surface while large immune system molecules like immunoglobulin cannot. The released molecule can therefore be used in disease treatment, e.g. the use of insulin in diabetes treatment, use of neurotransmitters in neural disorders, etc. (Refs 9, 10).
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