کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10429591 | 909845 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Using silver nanoparticle to enhance current response of biosensor
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Using silver nanoparticle to enhance current response of biosensor Using silver nanoparticle to enhance current response of biosensor](/preview/png/10429591.png)
چکیده انگلیسی
In this paper, we present a simple procedure to increase the sensitivity of a glucose biosensor. The feasibility of an amperometric glucose biosensor based on immobilization of glucose oxidase (GOx) in silver (Ag) sol was investigated for the first time. GOx was simply mixed with Ag nanoparticles and cross-linked with a polyvinyl butyral (PVB) medium by glutaraldehyde. Then a platinum electrode was coated with the mixed solution. The effects of the amount of the Ag particles used, with respect to the current response for enzyme electrodes, were studied. A set of experimental results indicate that the current response for the enzyme electrode containing hydrophobic Ag sol increased from 0.531 to 31.17 μA in the solution of 10 mmol/L β-d glucose. The time reaching the steady-state current response reduced from 60 to 20 s, three times less than those without Ag particles involved.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biosensors and Bioelectronics - Volume 21, Issue 3, 15 September 2005, Pages 433-437
Journal: Biosensors and Bioelectronics - Volume 21, Issue 3, 15 September 2005, Pages 433-437
نویسندگان
Xiangling Ren, Xianwei Meng, Dong Chen, Fangqiong Tang, Jun Jiao,