| Full text | |
| Author(s): |
Silva, Thalita G.
[1]
;
de Araujo, William R.
[1]
;
Munoz, Rodrigo A. A.
[2]
;
Richter, Eduardo M.
[2]
;
Santana, Mario H. P.
[3]
;
Coltro, Wendell K. T.
[4]
;
Paixao, Thiago R. L. C.
[1]
Total Authors: 7
|
| Affiliation: | [1] Univ Sao Paulo, Inst Quim, BR-05508000 Sao Paulo, SP - Brazil
[2] Univ Fed Uberlandia, Inst Quim, BR-38400902 Uberlandia, MG - Brazil
[3] Superintendencia Reg Dept Policia Fed MG, Unidade Tecn Cient, BR-38408680 Uberlandia, MG - Brazil
[4] Univ Fed Goias, Inst Quim, Campus Samambaia, BR-74690900 Goiania, Go - Brazil
Total Affiliations: 4
|
| Document type: | Journal article |
| Source: | Analytical Chemistry; v. 88, n. 10, p. 5145-5151, MAY 17 2016. |
| Web of Science Citations: | 27 |
| Abstract | |
We report the development of a simple, portable, low-cost, high-throughput-visual colorimetric paper-based analytical device for the detection of procaine in seized cocaine samples. The interference of most common cutting agents found in cocaine samples was verified, and a novel electrochemical approach was used for sample pretreatment in order to increase the selectivity. Under the optimized experimental conditions, a linear analytical curve was obtained for procaine concentrations ranging from 5 to 40 mu mol L-1 with a detection limit of 0.9 mu mol L-1. The accuracy of the proposed method was evaluated using seized cocaine samples and an addition and recovery protocol. (AU) | |
| FAPESP's process: | 11/19903-5 - Development of electroanalytical methods for detection/discrimination of drugs of abuse, its adulterants and explosives in forensic samples |
| Grantee: | William Reis de Araujo |
| Support Opportunities: | Scholarships in Brazil - Doctorate (Direct) |