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Back可吞服纸电池研发成功 可在体内供电并最终降解
可吞服纸电池研发成功 可在体内供电并最终降解
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中国新闻网1 hour agoTech2 min readChinaView translation

可吞服纸电池研发成功 可在体内供电并最终降解

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施普林格·自然旗下期刊《自然-化学工程》发表研究论文,麻省理工学院团队研发出由镁和三氧化钼制成的可吞服纸电池,能在体内给医疗装置供电峰值电压达1.84伏,在猪胃内工作最多3天,最终可降解,为临时可吞服医疗装置提供安全电源方案。

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Why It Matters

可吞服电子装置能帮助医疗专业人员监测健康水平、递送治疗药物和采集体内信息,但需要安全可靠的电源。传统电池含无法降解物质,保护壳失效可能导致组织损伤,生物可吸收电池被视为替代选择。

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中新网北京9月23日电(记者 孙自法)施普林格·自然旗下专业学术期刊《自然-化学工程》最新发表一篇技术研究论文指出,研究人员研发出一款能在体内给医疗装置供电并最终降解的可吞服纸电池,已在临床前研究(包括在猪体内开展的研究)中展现出应用前景。

论文作者称,这项技术成果或能支持追踪用药情况或进行电刺激的临时装置,且事后无需取出。

本项研究相关示意图(图片来自论文)。施普林格·自然 供图

据介绍,可吞服电子装置能帮助医疗专业人员监测健康水平,递送治疗药物,采集体内信息,但这类装置需要一个安全可靠的电源。然而,传统电池包含无法降解的物质,一旦保护壳失效可导致组织损伤。生物可吸收电池或是一种替代选择,工作特定时间后降解为身体能处理的物质。

在本项研究中,论文通讯作者、美国麻省理工学院Giovanni Traverso和同事合作,研究开发出一种由镁和三氧化钼制成的纸基电池,并评估其在一系列猪的临床前研究中的表现。结果显示,该纸电池能产生1.84伏的峰值电压,在猪胃里能正常工作最多3天,并在猪的食道里给一个无线标签供电,该标签能与1.5米外的接收器稳定通讯。

该纸电池还能给一个胶囊供电,该胶囊能用电刺激胃20分钟,这种方法被用于治疗会影响胃排空的胃肠道疾病。同时,论文作者未观察到与这种刺激相关的显著组织损伤。

论文作者总结说,这项研究结果表明,生物可吸收电池可以给用于健康监测和电治疗的临时可吞服装置供电。

他们也特别提醒,该研究测试中目前只使用了少数动物,且电刺激使用的电路板不能生物降解,需要自然排出体外。因此,该技术用于人体测试前,仍需开展进一步研究评估长期安全性,并开发出完全可生物降解的装置。(完)

What to Watch

AI outlook — possibilities, not facts

  • 该技术将在进一步研究后进入人体临床试验阶段

    Likely · Within months

Open Questions

  • 该技术在人体中的长期安全性如何?
  • 何时能开发出完全可生物降解的装置?
  • 该电池的大规模生产成本和可行性如何?

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This article was originally published by 中国新闻网.

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