Figures & data
Figure 2. (2a) Scanning electron micrograhs of PANI deposited on ITO coated glass plate (2b) Scanning electron micrograhs of MWCNT/PANI deposited on ITO coated glass plate (2c) Scanning electron micrograhs of MWCNT/PANI/uricase deposited on ITO coated glass plate.
![Figure 2. (2a) Scanning electron micrograhs of PANI deposited on ITO coated glass plate (2b) Scanning electron micrograhs of MWCNT/PANI deposited on ITO coated glass plate (2c) Scanning electron micrograhs of MWCNT/PANI/uricase deposited on ITO coated glass plate.](/cms/asset/89f66ffe-9fb0-448e-9ca7-485e32587647/ianb19_a_472156_f0002_b.gif)
Figure 3. Scheme of electron flow and current generation in uric acid biosensor employing Uricase/MWCNT/PANI/ITO electrode.
![Figure 3. Scheme of electron flow and current generation in uric acid biosensor employing Uricase/MWCNT/PANI/ITO electrode.](/cms/asset/a68d731b-4948-4328-8cce-976180d7f353/ianb19_a_472156_f0004_b.gif)
Table 1. Effect of various serum substances on response of Uricase biosensor employing Bacillus and Vigna uricase/MWCNT/PANI/ITO electrode
Figure 5. Correlation between serum uric acid values of diseased individuals determined by standard colorimetric method employing free enzyme (x-axis) and the present by biosensor employing Bacillus uricase/MWCNT/PANI/ITO electrode method (y-axis) (n=60), regression equation being y = 0.969x − 0.046.
![Figure 5. Correlation between serum uric acid values of diseased individuals determined by standard colorimetric method employing free enzyme (x-axis) and the present by biosensor employing Bacillus uricase/MWCNT/PANI/ITO electrode method (y-axis) (n=60), regression equation being y = 0.969x − 0.046.](/cms/asset/eec045a4-5599-4a1b-bf1d-0ffbfe9caea3/ianb19_a_472156_f0006_b.gif)
Table 2. A comparison of present uric acid biosensor with earlier reported amperometric biosensors
Figure 6. Effect of storage at 4°C on the response of biosensor employing uricase/MWCNT/PANI/ITO electrode.
![Figure 6. Effect of storage at 4°C on the response of biosensor employing uricase/MWCNT/PANI/ITO electrode.](/cms/asset/d2ea7d84-2b02-4234-81b4-ad85eb452ca9/ianb19_a_472156_f0007_b.gif)