Although the new chemotherapeutics have been manufactured, they have not been widely applied in clinical, because the new chemotherapeutics have strong side effects,low effect and bad liver targeting.

• 基于纳米技术发展起来的纳米载体介导的磁性载药系统,在外加磁场作用下,能实现位点特异的靶向给药,有利于提高病灶部位的局部药物浓度,进一步提高疗效,减少全身毒副作用。