The invention relates to preparation and applications of
mesoporous silica /
insulin nanoparticles modified by
phenylboronic acid, for effectively solving the problem that the traditional
drug carriers release medicines unidirectionally. The technical scheme is as follows: the preparation comprises the following steps: firstly, synthesizing
mesoporous silica nanoparticles, modifying amino groups on the surfaces of the
mesoporous silica nanoparticles, loading
medicine insulin in the mesoporous structure through physical absorption, and further modifying with
phenylboronic acid and
polysaccharide, thus obtaining the mesoporous silica /
insulin nanoparticles modified by
phenylboronic acid. The preparation and applications have the advantages that the synthesis process is simple, the prepared nanoparticles have the good
biocompatibility, and the releasing valve of medicines can be repeatedly opened and closed, so that the sustained-release effect is achieved on the release of medicines; the mesoporous silica / insulin nanoparticles have a long-time circulation in the body, so that the administration times can be reduced, and thus the mesoporous silica / insulin nanoparticles belong to an innovation in
diabetes treatment medicines.