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Microfabricated self-referencing pulstrodes

delete2025-08-08
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OA
AI
A
Ayian Speck
D
Davide Migliorelli
J
Jeremy Disser
S
Silvia Generelli
G
Guillaume Bouilly
T
Tara Forrest
E
Elena Zdrachek
L
Loïc Burr
E
Eric Bakker *
DOI:10.1039/D5SD00024Fdelete
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摘要

摘要

En 中文
丝网印刷和喷墨印刷是生产低成本且可大规模生产的电分析传感器的有吸引力的工艺。尽管该领域取得了重要进展,但尚未令人满意地实现满足分析要求的印刷电化学参比电极。本文研究了使用丝网印刷和喷墨印刷来生产一种可集成于多种电分析传感原理的自包含全固态参比电极。该原理基于银/碘化银电极,通过应用所谓的脉冲电极协议自行生成其电位。具体而言,通过短暂的阴极电流脉冲释放定量的碘离子,随后在零电流条件下记录由释放的碘离子定义的参比电位。制备并表征了丝网印刷和喷墨印刷的参比电极,并优化和评估了该方法。作为一个应用实例,采用单点校准方法通过电位法对未经稀释的过滤尿液样品中的离子进行定量分析。由于所用银墨的纯度较低,丝网印刷方法不太成功。喷墨印刷方法能够定量分析尿液中的氯离子和钠离子。以常规银/氯化银参比电极为标准,氯离子和钠离子的相对误差分别为7.7%和14.1%。虽然该方法在长期应用方面(尤其是使用高纯度银墨)仍有优化空间,但它是实现完全集成的全固态微制造传感系统的有前景的策略。
Keyword:
screen printing
inkjet printing
all-solid-state reference electrode
potentiometry
electroanalytical sensors

期刊

S
Sensors and Diagnostics
IF:
4.1
论文数:
496
被引数:
1.2K

机构

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