通过跨数字可穿戴传感器对老年患者水分监测的新见解
Leila Es Sebar1, Stefano Bonaldo2, Loredana Cristaldi1
1Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy.
Sensors (Basel, Switzerland)
|November 27, 2025
概括
这项研究开发了喷墨打印的数字间电极 (IDE),用于可穿戴的皮肤水分监测. 传感器显示阻抗和水损失之间存在线性关系,这对于老年人的健康监测至关重要.
科学领域:
- 生物医学工程 生物医学工程
- 材料科学 材料科学 材料科学
- 传感器技术 传感器技术
背景情况:
- 人口老龄化需要先进的水分监测工具.
- 使用互数字电极 (IDE) 和电化学阻抗光谱 (EIS) 的可穿戴传感器提供非侵入性,实时的解决方案.
- 目前的方法缺乏老年护理所需的灵敏度和实时能力.
研究的目的:
- 设计,制造和表征喷墨打印IDE用于皮肤水分监测.
- 为老年患者开发多传感器可穿戴设备的构建块.
- 使用EIS和回归模型验证传感器的性能.
主要方法:
- 在聚胺基板上使用银纳米粒子墨水制造IDE.
- 通过扫描电子显微镜进行形态评估.
- 在KCl溶液中的EIS测量和在agar凝上的体外测量,以将阻抗与水损失相关联.
主要成果:
- 成功制造喷墨打印IDE.
- 开发一个回归模型,将阻抗与盐度联系起来.
- 在阿加凝模型中,证明阻抗相位移和水损失之间的强有力的线性关系.
结论:
- 喷墨打印的IDE可以用于皮肤水分监测.
- 确定了最佳的频率范围和回归模型.
- 这项工作是迈向可穿戴多传感器设备的第一步,用于持续监测老年人的健康状况和远程医疗.
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