使用基于纸张的生物燃料电池进行溶解氧的自动供电阴极检测
Isao Shitanda1,2, Riko Ohkura1, Noya Loew1
1Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science Noda 2641 Yamazaki Chiba 278-8510 Japan shitanda@rs.tus.ac.jp.
RSC advances
|February 4, 2026
概括
这项研究介绍了一种自动供电的生物传感器,用于检测溶解氧 (DO),使用纸质酶式生物燃料电池. 这种新型传感器为环境和食品质量监测提供了低成本,一次性和可扩展的解决方案.
科学领域:
- 电化学 电化学 电化学
- 生物传感器是一种生物传感器.
- 材料科学 材料科学 材料科学
背景情况:
- 溶解氧 (DO) 是环境和食品质量监测中的关键参数.
- 现有的DO传感方法通常需要外部电源,并且可能昂贵.
- 酶式生物燃料电池 (BFC) 为自动供电的生物传感应用提供了一个有前途的平台.
研究的目的:
- 开发一种自动供电的生物传感器,用于准确检测溶解氧 (DO).
- 使用一种基于纸张的酶式生物燃料电池 (BFC) 带有印电极用于DO传感.
- 为了证明生物传感器对现实世界样本分析的可行性.
主要方法:
- 使用MgO模板介质碳 (MgOC) 制造丝印电极.
- 用黄氨酸二核酸依赖型葡萄糖脱酶 (FAD-GDH) 修改阳极.
- 用胆红素氧化酶 (BOD) 修改阴极,以选择性减少氧气.
- 电化学分析以将正极电流与DO度相关联.
主要成果:
- 在正极电流和DO度 (0-22毫克L-1) 之间观察到线性关系.
- 生物传感器在20毫克L-1DO时实现了398微瓦cm-2的最大功率输出.
- 证明了DO在纯水和商业软饮料中的成功量化.
结论:
- 开发的基于纸张的酵素BFC生物传感器可以自动供电检测DO.
- 该系统成本低,一次性和可扩展,适合环境和食品监测.
- 这项工作为高效和可访问的DO传感技术开辟了新的途径.
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