کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7233227 | 1470969 | 2014 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Pearl shaped highly sensitive Mn3O4 nanocomposite interface for biosensor applications
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
An electrochemical biosensor based on manganese oxide (Mn3O4) and chitosan (Cn) nanocomposite has been fabricated for fish freshness detection. The electrophoretic deposition of Mn3O4 nanoparticles (15-20 nm) with Cn has changed their morphological arrangement leading to pearl shaped of Mn3O4-Cn nanocomposite on indium tin oxide substrate. Size and morphology of nanocomposite have been confirmed by high resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD) and scanning electron microscopy (SEM). The results of electrochemical response reveal that this improved sensor has widest detection range of xanthine concentration from 1 to 500 µM and excellent sensitivity of 1.46 μA µMâ1 cmâ2. The fabricated XOx/Mn3O4-Cn/ITO biosensor can detect as low as 1.31 μM of xanthine and lower Km value of 0.018 μM confirming its superior affinity towards the nanocomposite film.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biosensors and Bioelectronics - Volume 62, 15 December 2014, Pages 47-51
Journal: Biosensors and Bioelectronics - Volume 62, 15 December 2014, Pages 47-51
نویسندگان
K. Kamil Reza, Nawab Singh, Surendra K. Yadav, Manish Kumar Singh, A.M. Biradar,