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金纳米颗粒有望 提升癌症药物疗效

2017-08-14 03:18:39   中国青年网

附着在碳纳米管上的金纳米颗粒。 (资料图片)

据新华社电 金作为一种贵金属已有广泛应用,英国和西班牙一项最新联合研究说,通过技术手段还可以将金纳米颗粒应用在疾病治疗上,以提升癌症药物的疗效,降低副作用。

实验中,研究人员将金纳米颗粒包裹在一个特殊微型化学装置中,然后将它植入斑马鱼脑部,并有针对性地催化了一次化学反应,证明这种能力可以应用在动物体内并且是可控的。此外,研究人员在实验皿中也观察到,金纳米颗粒能够激活应用于肺癌细胞的抗癌药物,提升药物效力。

研究人员介绍说,选择金是因为金相对安全稳定,并具有加速或催化化学反应的能力。未来如果技术成熟,可以利用这一装置辅助化疗药物更精准地作用于癌细胞,降低药物副作用。

这项研究成果揭示了金的一种全新特性,这种贵金属能够稳定地在肿瘤内释放药物。

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