Deep, Akash and Bharadwaj, S.K. and Paul, A.K. and Kim, Ki-Hyun and Kumar, Pawan (2015) Surface assembly of nano-metal organic framework on amine functionalized indium tin oxide substrate for impedimetric sensing of parathion. Biosensors and Bioelectronics, 65. pp. 226-231. ISSN 0956-5663
Full text not available from this repository.Abstract
The present paper reports the assembly and pesticide sensing application of a nanometal organic framework [Cd(atc)(H2O)2]n (‘atc’=2-aminoterephthalic acid). The assembly of the NMOF film has been achieved by sequential dipping of a 2-aminobenzylamine (2-ABA) modified indium tin oxide (ITO) slide in organic linker ‘atc’ and metal ion ‘Cd2+’ solutions. The different structural and morphological characteristics of the NMOF thin film have been characterized. The availability of pendent –COOH functional groups on the assembled NMOF film is exploited to synthesize a pesticide immunosensor by conjugating the NMOF film with anti-parathion antibody. This immunosensor has been explored for the electrochemical impedance spectroscopy (EIS) based analysis of parathion in the concentration range of 0.1–20 ng/mL. The proposed detection is specific with respect to other organophosphate compounds, e.g. malathion, paraoxon, fenitrothion, monochrotophos and dichlorovos. The proposed sensor shows the detection limit of 0.1 ng/mL and it is applicable for analysis of parathion in a rice sample. The sensor's performance is validated by comparting the obtained results with gas chromatographic data.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Metal organic framework; Sensing; Impedance; Parathion; Self-assembly |
| Subjects: | CSIO > Nano Science and Nano Technology |
| Divisions: | Nano Science and Nano Technology |
| Depositing User: | Ms. Jyotsana |
| Date Deposited: | 07 Mar 2017 16:32 |
| Last Modified: | 07 Mar 2017 16:32 |
| URI: | http://csioir.csio.res.in/id/eprint/516 |
Actions (login required)
 |
View Item |
