Nature Electronics:新型气敏胶囊有助于诊断肠道疾病

2018-01-23 王坤朔 新华社

澳大利亚皇家墨尔本理工大学说,该校研究人员参与研发了一种可食用的气敏胶囊,有望改变肠道疾病的预防和诊断方式。

澳大利亚皇家墨尔本理工大学说,该校研究人员参与研发了一种可食用的气敏胶囊,有望改变肠道疾病的预防诊断方式。

气敏胶囊的大小和普通药丸类似,可以实时测量人体肠道内气体中氢、二氧化碳和氧的含量并将数据发送到手机上,吞下的胶囊会在一定时段后自动排出体外。

共有7位身体健康的志愿者参加了人体试验。志愿者在食用纤维含量不同的食物后,研究人员利用气敏胶囊测量了其体内肠道气体的组成,并利用超声波追踪了胶囊的运动轨迹。结果显示,气敏胶囊可以准确显示食物开始消化的时间,并有效测定肠胃微生物的活动情况。

研究第一作者、皇家墨尔本理工大学工程学院教授库鲁什·卡兰塔尔-扎德说,试验表明,胃会释放出一种氧化剂来分解在肠道中滞留过久的外来化合物。研究还发现,在食用高纤维食物后,结肠内的氧气浓度很高。这一发现将有助医学界更好地理解结肠癌等疾病的发病机制。

研究成果已发表在英国《自然·电子学》杂志上。

原始出处:

Kourosh Kalantar-Zadeh,et al.A human pilot trial of ingestible electronic capsules capable of sensing different gases in the gut.Nature Electronics 1, 79–87 (2018).

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    2018-10-12 liye789132251
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    2018-01-23 周周人

    学习.

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