Back to Search
Start Over
Simultaneous Determination of Nitrite and Hydrogen Peroxide Using Hemoglobin Modified Pencil Lead Electrode as a Novel Biosensor: Application to the Analysis of Mother's Milk.
- Source :
- Journal of the Chinese Chemical Society; Jan2015, Vol. 62 Issue 1, p83-89, 7p
- Publication Year :
- 2015
-
Abstract
- In the present paper simultaneous determination of nitrite and hydrogen peroxide using hemoglobin modified pencil lead electrode (Hb/PLE) prepared by a simple and rapid electroless method was described. In the first part of the work the reduction of NO<subscript>2</subscript> and H<subscript>2</subscript>O<subscript>2</subscript> at the modified electrode was investigated by cyclic voltammetry. Then under optimal conditions using differential pulse voltammetry, the biosensor could be used for the determination of H<subscript>2</subscript>O<subscript>2</subscript> at concentration ranging from 5 to 240 M and NO<subscript>2</subscript> at concentration ranging from 10 to 240 M. The detection limits were 3×10<superscript>−6</superscript> and 5×10<superscript>−6</superscript> M, for NO<subscript>2</subscript> and H<subscript>2</subscript>O<subscript>2</subscript> respectively. Differential pulse voltammetry also used for the simultaneous determination of NO<subscript>2</subscript> and H<subscript>2</subscript>O<subscript>2</subscript>. This modified electrode successfully used for the determination of NO<subscript>2</subscript> and H<subscript>2</subscript>O<subscript>2</subscript> in tap water and mother's milk samples. [ABSTRACT FROM AUTHOR]
- Subjects :
- NITRITES
HYDROGEN peroxide
HEMOGLOBINS
BIOSENSORS
BREAST milk
ANALYTICAL chemistry
Subjects
Details
- Language :
- English
- ISSN :
- 00094536
- Volume :
- 62
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- Journal of the Chinese Chemical Society
- Publication Type :
- Academic Journal
- Accession number :
- 100488260
- Full Text :
- https://doi.org/10.1002/jccs.201400155