调控型纳米药物递送系统

来源 :中国微米纳米技术学会纳米科学技术分会第四届年会暨2016国际纳米生物与医学学术会议 | 被引量 : 0次 | 上传用户:gigitsang
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  纳米药物递送系统能够改善化疗药物在体内的药学特征,提高对肿瘤组织的靶向能力而越来越多的应用于恶性肿瘤的治疗中1.然而多数纳米药物递送系统的药物释放基于载体本身在体内的降解,不具备响应控释能力,并且存在着药物在体内循环过程中提前泄露释放,到达肿瘤组织后难以快速、高效的释放等问题2.因此,开发具有高时空分辨能力的调控型纳米药物递送系统能够解决上述问题.本课题组构建出一系列纳米药物递送系统,并采用近红外光、超声波、激光、交变磁场等体外调控手段控制纳米药物递送系统的药物释放,具有高时空分辨能力,且实现了化疗和热疗、化疗和光动力学治疗等治疗手段的一体化治疗,对实体瘤模型、耐药肿瘤模型均取得了良好的抗肿瘤效果.
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