Preparation and discussion about drug release mechanism of nitrendipine sustained-release pellets;

AIM To prepare buspirone hydrochloride buccal adhesive tablet and investigate factors that influence drug release behavior and the drug release mechanism.

Preparation and the release mechanism of allopurinol sustained-release tablets;

Aim:To study the release mechanism of self-prepared metronidazole colon-specific pellets.

Influence of preparation metbods on the release mechanism of rutin from sustained-release matrix tablets;

Application of Physicochemical Characterization Methods and Release Model in the Release Mechanism and Stability of Solid Dispersion;

Comparison of effects of drug solubility on drug release from two types of matrices with different release mechanisms;

Study on drug release mechanism of insulin-chitosan sustained release microspheres;

The drug release mechanism, in vitro and in vivo test methods of lipid emulsions are briefly demonstrated.

Preparation of the compound sustained-release tablets of Yumameifen and study on the release mechanism of three drugs from the sustained-release tablets;

Manyimportant preparation methods of microcapsule, research progress of coating materials, release mechanism and development prospect ofmicrocapsule were introduced in detail.

Lastly,the domestic and abroad research headways at the present time of the influence of the interior structure and release mechanism of antibacterial ingredient,working longevity of antibacterial paint,characteristic of protected material,coating thickness and other environ mental factors on the antibacterial effect are summarized.