Keywords Gelatin,Aminated gelatin,Bioadhesion,microsphere,Biodegradation,Insulin,FITC-dextran,Nasal drug delivery,Absorption enhancer,Dry powder dosage forms;

• 明胶;氨基化明胶;生物粘附;微球;胰岛素;异硫氰酸荧光素-葡聚糖;鼻粘膜给药;吸收促进剂;干粉剂型;