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纳米技术与药物治疗相结合所产生的纳米医药技术是近年来研究的热点。聚合物纳米药物载体具有很多显著的优点,如保持药物长效性、特定部位靶向性、降低药物毒副作用等等。特别是刺激响应性纳米载体,具有以上优点,并能够通过对周围环境的物理化学变化(如pH值、离子浓度、温度、氧化还原、磁场、电场、光等)快速做出响应,来控制药物定时、定点、定量地释放,从而实现长效、高效、低副作用等目的,因此受到人们越来越多的关注。
Nanotechnology and drug treatment resulting from the combination of nanomedicine technology in recent years, research hot spots. Polymer nano-drug carriers have many significant advantages, such as long-term drug retention, targeting of specific parts, reducing drug side effects and so on. In particular, stimulating responsive nanocarriers have the advantages described above and are capable of controlling drug delivery by responding rapidly to physicochemical changes in the surrounding environment such as pH, ion concentration, temperature, redox, magnetic field, electric field, light, etc. Timing, fixed-point, quantitative release, so as to achieve long-term, high efficiency, low side effects and other purposes, it has been more and more people’s attention.