Production Limitations
Production of novel MIPs has implicit challenges unique to this field. These challenges arise chiefly from the fact that all substrates are different and thus require different monomer and cross-linker combinations to adequately form imprinted polymers for that substrate. The first, and lesser, challenge arises from choosing those monomers which will yield adequate binding sites complementary to the functional groups of the substrate molecule. For example, it would be unwise to choose completely hydrophobic monomers to be imprinted with a highly hydrophilic substrate. These considerations need to be taken into account before any new MIP is created.
Secondly, and more troublesome, the yield of properly created MIPs is limited by the capacity to effectively wash the substrate from the MIP once the polymer has been formed around it. In creating new MIPs, a compromise must be created between full removal of the original template and damaging of the substrate binding cavity. Such damage is generally caused by strong removal methods and includes collapsing of the cavity, distorting the binding points, incomplete removal of the template and rupture of the cavity.
Read more about this topic: Molecular Imprinted Polymer
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