{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,29]],"date-time":"2025-11-29T16:12:08Z","timestamp":1764432728986,"version":"build-2065373602"},"reference-count":12,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2010,3,4]],"date-time":"2010-03-04T00:00:00Z","timestamp":1267660800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The objective of this work is the study and characterization of anodized indium tin oxide (anodized-ITO) as a sodium ion selective electrode and differential structures including a sodium-selective-membrane\/anodized-ITO as sensor 1, an anodized-ITO membrane as the contrast sensor 2, and an ITO as the reference electrode. Anodized-ITO was fabricated by anodic oxidation at room temperature, a low cost and simple manufacture process that makes it easy to control the variation in film resistance. The anodized-ITO based on EGFET structure has good linear pH sensitivity, approximately 54.44 mV\/pH from pH 2 to pH 12. The proposed sodium electrodes prepared by PVC-COOH, DOS embedding colloid, and complex Na-TFBD and ionophore B12C4, show good sensitivity at 52.48 mV\/decade for 10\u22124 M to 1 M, and 29.96 mV\/decade for 10\u22127 M to 10\u22124 M. The sodium sensitivity of the differential sodium-sensing device is 58.65 mV\/decade between 10\u22124 M and 1 M, with a corresponding linearity of 0.998; and 19.17 mV\/decade between 10\u22125 M and 10\u22124 M.<\/jats:p>","DOI":"10.3390\/s100301798","type":"journal-article","created":{"date-parts":[[2010,3,4]],"date-time":"2010-03-04T11:10:26Z","timestamp":1267701026000},"page":"1798-1809","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Study of Sodium Ion Selective Electrodes and Differential Structures with Anodized Indium Tin Oxide"],"prefix":"10.3390","volume":"10","author":[{"given":"Jyh-Ling","family":"Lin","sequence":"first","affiliation":[{"name":"Department of Electronic Engineering, HuaFan University, No.1, Huafan Rd., Shihting Hsiang, Taipei Hsien, 223 Taiwan"}]},{"given":"Hsiang-Yi","family":"Hsu","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, HuaFan University, No.1, Huafan Rd., Shihting Hsiang, Taipei Hsien, 223 Taiwan"}]}],"member":"1968","published-online":{"date-parts":[[2010,3,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1293","DOI":"10.1016\/S0039-9140(97)00396-2","article-title":"Flow injection analysis of potassium using an all-solid-state potassium-selective electrode as a detector","volume":"46","author":"Komaba","year":"1998","journal-title":"Talanta"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"785","DOI":"10.1016\/S0039-9140(02)00620-3","article-title":"The double K+\/Ca2+ sensor based on laser scanned silicon transducer (LSST) for multi-component analysis","volume":"59","author":"Ermolenko","year":"2003","journal-title":"Talanta"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"533","DOI":"10.1016\/S0039-9140(00)00408-2","article-title":"Application of an ion-selective field effect transistor with a photocured polymer membrane in nephrology for determination of potassium ions in dialysis solutions and in blood plasma","volume":"52","author":"Abramova","year":"2000","journal-title":"Talanta"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"164","DOI":"10.1109\/JSEN.2002.807300","article-title":"Using polypyrrole as the contrast pH detector to fabricate a whole solid-state pH sensing device","volume":"3","author":"Pan","year":"2003","journal-title":"IEEE Sens. 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Inogranic cations","volume":"72","author":"Umezawa","year":"2000","journal-title":"Pure Appl. Chem"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1351\/pac200880010085","article-title":"Performance evaluation criteria for preparation and measurement of macro- and microfabricated ion-selective electrodes","volume":"80","author":"Lindner","year":"2008","journal-title":"Pure Appl. 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