کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6600661 | 1423964 | 2018 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ion-current-rectification-based customizable pH response in glass nanopipettes via silanization
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
This study shows that it is possible to customize the ion-current-rectification (ICR)-based pH response in glass nanopipettes by adjusting the ratio of 3-aminopropyldimethylethoxysilane (APTES) and (3-triethoxysilylpropyl) succinic acid anhydride (TESP-SA) used in silanization. The silanization time and concentration were optimized by investigating the rectification ratio of the nanopipettes. For each APTES/TESP-SA silane ratio, analysis of variance (ANOVA) tests indicated that the rectification ratio of the nanopipette had good linearity in the pH range 3-8. Moreover, nanopipettes silanized with equal concentrations of amino and carboxylic groups gave the highest pH response of 1.06â¯Ãâ¯10â4â¯pHâ¯â1. This method for customizing the ICR-based pH response in nanopipettes has the potential and versatility to be used in applications such as mimicking biological ion channels and developing nanosized pH sensing devices.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochemistry Communications - Volume 93, August 2018, Pages 95-99
Journal: Electrochemistry Communications - Volume 93, August 2018, Pages 95-99
نویسندگان
Guo-Chang Liu, Wei Chen, Meng-Juan Gao, Lai-Bo Song, Xiao-Yu Hu, Yuan-Di Zhao,