BDP-PLGA nano-capsules co-loaded with BDP andfluorescein sodium were nebulised to guinea pigs, tissue section of lung were prepared to observe pulmonary distribution with fluorescence microscope.

• 豚鼠雾化吸入包有荧光素钠的BDP-PLGA纳米囊,取肺组织切片,荧光显微镜下观察肺内分布。