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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Cunha, Rafael Rodrigues Vidal, Denis Tadeu Rajh Marra, Mariana Cardoso Richter, Eduardo Mathias Munoz, Rodrigo Alejandro Abarza Do Lago, Claudimir Lucio |
| Description | Country affiliation: Brazil Author Affiliation: Marra MC ( Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121 Uberlândia, MG, Brazil.); Cunha RR ( Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121 Uberlândia, MG, Brazil.); Vidal DT ( Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748 São Paulo, SP, Brazil.); Munoz RA ( Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121 Uberlândia, MG, Brazil.); do Lago CL ( Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748 São Paulo, SP, Brazil.); Richter EM ( Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121 Uberlândia, MG, Brazil. Electronic address: emrichter@iqufu.ufu.br.) |
| Abstract | Capillary electrophoresis with capacitively coupled contactless conductivity detection (CE-C(4)D) was used for fast, simultaneous determination of dipyrone (DIP), caffeine (CAF), and acetylsalicylic acid (ASA). In the same run and in less than 1min, the degradation products from DIP and ASA were also detected. In addition, the usage of the CE-C(4)D system allowed, for the first time, the detection of methylamine as a degradation product of DIP. Capillary electrophoresis with electrospray mass spectrometry experiments were carried out in order to confirm the formation of methylamine. The limits of detection by CE-C(4)D were 5, 5, and 6µmolL(-1) for CAF, DIP, and ASA, respectively. The proposed method was applied to the analysis of these compounds in pharmaceutical formulations with similar results to those achieved by HPLC (p<0.05). |
| ISSN | 00219673 |
| Volume Number | 1327 |
| e-ISSN | 18733778 |
| Journal | Journal of Chromatography A |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-01-31 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Aspirin Analysis Caffeine Dipyrone Chromatography, High Pressure Liquid Electric Conductivity Electrophoresis, Capillary Methods Hydrolysis Methylamines Journal Article Research Support, Non-u.s. Gov't Discipline Analytical Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Medicine Analytical Chemistry Biochemistry |
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