Objective To improve the method of synthesizing magnetic particles, which have good magnetic property and small size, to be used in tumor target therapy.

目的制备磁响应性强、粒径小且分布均匀的磁性纳米微粒，为消化道恶性肿瘤的磁控靶向治疗提供一种新型载体。

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Objective To describe the models of human organ, which can easier the estimation dosage of the tumor target volume and human body's critical organ in medical treatment irradiation.

目的对人体器官进行模型化描述，以便对医疗照射中肿瘤靶体积和人体紧要器官剂量进行估算。

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We could target specific abnormal proteins, put a polar charge on the nanoparticles and use magnets to focus them on those areas of the tumor.

我们可以针对不正常的蛋白质，在纳米粒中放上一个极性电荷，用磁力把它们集中到肿瘤部位。

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Thanks to innovative chemical treatments, the ball serves as a cage that hides the enzyme from the immune system until it gets to its target tumor, where an anti-cancer drug is released.

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Researchers are trying, and company-funded clinical trials of targeted drugs have at least looked at whether the target is expressed (turned on) in tumor tissues.

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Every tumor has five to ten flawed genes driving its growth, and researchers may have to target several simultaneously with cocktails of drugs, the approach that worked against AIDS. But finding such cocktails will be slow and difficult because regulators frown on testing two experimental drugs together, and corporate rivals rarely share drugs.

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