Science Advances:不用扎针,不用抽血,小小的汗液贴片就能实时追踪血糖水平

2017-03-13 佚名 来宝网

科学家已经开发出一种传感器,可以通过分析出汗的皮肤来监测血糖水平。但并不需要到健身房挥汗如雨湿透的T恤,只需要0.01毫升的汗液就可以进行此项测试。

科学家已经开发出一种传感器,可以通过分析出汗的皮肤来监测血糖水平。但并不需要到健身房挥汗如雨湿透的T恤,只需要0.01毫升的汗液就可以进行此项测试。

来自韩国的研究团队显示该传感器是非常准确的,认为它可以最终会对糖尿病患者有所帮助。在对小鼠进行的一次额外测试中,该传感器被连接到自动注射糖尿病药物的一小块针头上。

首尔国立大学的研究小组试图攻克糖尿病患者需要“扎针收集血液的痛苦”。1型糖尿病是由免疫系统对身体控制血糖水平的部分进行攻击所致。2型糖尿病通常是由于不良生活方式损害身体控制血糖水平的能力造成的。

从医学角度上来说,这两种类型的糖尿病患者都需要控制血糖水平以防止身体受损甚至死亡。

这是糖尿病患者通常采用的监测血糖水平的方法:



这可能是未来的方法:



传感器非常灵活,所以它可以随着粘着的皮肤一起移动。

然而,科学家们需要克服一系列的挑战使其行之有效。

汗液中的糖分比血液中的要少得多,因此很难监测得到,而且汗液中含有的其他化学物质如乳酸也会破坏血糖的检测结果。

因此,该贴片有三个传感器用于追踪血糖水平,四个传感器用于检测汗液的酸度,还有一个湿度传感器用来分析汗液的量。

它都被包裹在一个多孔层当中,可以任由汗液浸泡及对该电子产品进行清洗。

所有这些信息都传递到便携式计算机上进行分析,计算出血糖水平。

发表在《科学进步》杂志上的这篇《人们坐下来吃饭之前和之后的测试》表明,汗液贴片的测试结果与传统试剂盒“高度一致”。

然而,下一阶段,研究人员的研究将转向糖尿病小鼠。

他们用血糖监测仪控制一排微针给小鼠注射糖尿病药物二甲双胍

研究人员总结说:“目前这个系统提供了在无痛、无压力糖尿病护理领域的重要新进展。”

然而,在实验室里证明的某物能够感知血糖水平与将其转化为人们可以把生命交给它们掌控之间,还处在一个大的飞跃。

因此,研究人员下一步要测试的是,该贴片如何进行长期工作。


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    2017-08-03 ewsr13
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    2017-03-15 jichang
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    2017-03-13 雅文博武

    学习了许多先进技术水平

    0

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