一位MIT的电子工程师Rahul Sarpeshkar有个方法可以解决这两个问题。6月12号发表于Public Libraryof Science的一篇论文中,Sarpeshkar博士和他的同事证实用铂催化剂打造的葡萄糖能量池,其效果不会随着时间被削弱。
The downside is that platinum is a less efficient catalyst than the enzymes used by DrSinghal, and so Dr Sarpeshkar s cell works less well. But it might be able to generateenough electricity to run the next generation of ultra-low-power IMDs.
该方法的缺点是铂催化剂与Singhal博士所用的酶相比效率不高,因此,Sarpeshkar博士的能量池运转效果不好。但是它也许能够生产足够的电能来运转下一代超低功耗的可移植医疗设备。
Dr Sarpeshkar also has a novel solution to the biofouling problem: implant the fuel cell inthe cerebrospinal fluid surrounding the brain. Although the CSF has only half theglucose concentration of the bloodstream, it is virtually free of the proteins and cells whichwould foul a device implanted in other areas of the body, and thus its life would be greatlyextended.
另外,Sarpeshkar博士还有一个针对于生物燃料问题的新型解决方法:在大脑周围的脑脊液中植入能量池。尽管脑脊液仅含有体液中葡萄糖浓度的一半,但是这样做几乎可以使其免于植入人体其他部位而被蛋白质和细胞包围的命运,因此使其使用寿命大大延长。
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