Electrochemical Behavior of Stainless Steels for Sudomotor Dysfunction Applications,Electroanalysis

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Electrochemical Behavior of Stainless Steels for Sudomotor Dysfunction Applications
Electroanalysis ( IF 2.7 ) Pub Date : 2017-11-20 , DOI: 10.1002/elan.201700464
A. Calmet _{1,

2} , N. Vejar ₃ , X. Gonzalez ₄ , M. Sancy ₄ , A. Ringuedé ₁ , V. Lair ₁ , S. Griveau _{2,

5,

6,

7} , J.H. Zagal ₈ , F. Bedioui _{2,

5,

6,

7} , M. Cassir ₁

Affiliation

AISI 304L is used in Sudoscan^TM technology (Impeto Medical Inc.) for the early diagnosis of small fiber neuropathy caused by type‐2 diabetes or cystic fibrosis. In a recent paper, several substitute electrodes were analyzed, among which the biocompatible nickel‐free AISI 430 appeared as an interesting material. In the present work, we compare in details the electrochemical behavior of AISI 430 with respect to the reference AISI 304L, using Electrochemical Impedance Spectroscopy (EIS) in mimetic electrolytic solutions of sweat. Apart of being cheaper than AISI 304L, AISI 430 has roughly similar characteristics but is slightly more sensitive to chloride ions concentration and, according to EIS and SEM analyses, forms a thicker, more homogeneous and protective oxide layer, which makes it a convenient electrode material.

中文翻译：

用于Sudomotor功能障碍的不锈钢的电化学行为

AISI 304L用于Sudoscan ^TM技术（Impeto Medical Inc.）来早期诊断由2型糖尿病或囊性纤维化引起的小纤维神经病。在最近的一篇论文中，分析了几种替代电极，其中生物相容的无镍AISI 430似乎是一种有趣的材料。在目前的工作中，我们使用电化学阻抗谱（EIS）在汗液的模拟电解液中详细比较了AISI 430与参考AISI 304L的电化学行为。除了比AISI 304L便宜外，AISI 430具有大致相似的特性，但对氯离子浓度稍敏感，并且根据EIS和SEM分析，形成了更厚，更均匀和更具保护性的氧化层，这使其成为方便的电极材料。

更新日期：2017-11-20

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