Several patents of new drug delivery system for biological macromolecules

Two. According to the data of biological macromolecules, we know that there are two popular patents of new drug delivery system, namely query preparation and medical use. Biological macromolecules refer to macromolecules such as protein, nucleic acid and polysaccharide existing in biological cells. Each biomacromolecule has thousands to hundreds of thousands of atoms, and its molecular weight ranges from tens of thousands to millions.