| Texto completo | |
| Autor(es): |
Donegatti, Tiago Augusto
[1]
;
Lobato, Alnilan
[2]
;
Duek, Eliana A. R.
[3]
;
Goncalves, Luis Moreira
[2]
;
Pereira, Elisabete Alves
[1]
Número total de Autores: 5
|
| Afiliação do(s) autor(es): | [1] Univ Fed Sao Carlos UFSCar, Dept Fis Quim & Matemat, Rodovia Joao Leme dos Santos, Km 110, SP 264, BR-18052780 Sorocaba, SP - Brazil
[2] Univ Sao Paulo, Dept Quim Fundamental, Inst Quim, Sao Paulo, SP - Brazil
[3] Pontifical Univ Catholic Sao Paulo PUC SP, Med & Hlth Sci Fac, Biomat Lab, Sorocaba, SP - Brazil
Número total de Afiliações: 3
|
| Tipo de documento: | Artigo Científico |
| Fonte: | ELECTROPHORESIS; v. 41, n. 18-19 AUG 2020. |
| Citações Web of Science: | 1 |
| Resumo | |
Aminoglycosides are a relevant class of antibiotics widely used by medics and veterinaries. There are a variety of reasons that make their determination relevant, such as quality control, environment and food contamination assessment, drug-release studies, among others. The lack of a chromophore makes aminoglycoside spectrophotometric detection particularly challenging, often requiring derivatization. In this work, an indirect detection method, making use of imidazole as a probe, applying CZE was successfully tested. It did not require derivatization, which simplified the sample preparation. Suitable figures of merit were obtained; recoveries between 95 and 105%, adequate repeatability and precision, correlation coefficients (r) above 0.998, and limits of detection (LODs) of 3.2 and 11 mg/L for gentamicin and paromomycin, respectively. As a proof-of-concept, it was also applied in a simple controlled release experiment that was well fitted using the Hill equation. (AU) | |
| Processo FAPESP: | 18/14425-7 - Um novo rumo sinérgico para a microextração por difusão gasosa (GDME) fazendo uso de polímeros com impressão molecular (MIPs) |
| Beneficiário: | Luís Francisco Moreira Gonçalves |
| Modalidade de apoio: | Auxílio à Pesquisa - Jovens Pesquisadores |
| Processo FAPESP: | 19/03582-7 - Eletroforese capilar com técnica analítica para a determinação de aminas biogênicas em matrizes de alimentos |
| Beneficiário: | Elisabete Alves Pereira |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |
| Processo FAPESP: | 19/11214-8 - Recurso à eletroforese capilar após extração por GDME-MIPs para a determinação de aldeídos |
| Beneficiário: | Alnilan Cristina Barros Lobato |
| Modalidade de apoio: | Bolsas no Brasil - Mestrado |