| Full text | |
| Author(s): |
Barbosa, Fabio Henrique Barros
;
Quero, Reverson Fernandes
;
Rocha, Kionnys Novaes
;
Costa, Samuel Carvalho
;
de Jesus, Dosil Pereira
Total Authors: 5
|
| Document type: | Journal article |
| Source: | ELECTROPHORESIS; v. N/A, p. 5-pg., 2022-12-19. |
| Abstract | |
Electroosmotic flow (EOF) was determined in tridimensional (3D)-printed microchannels with dimensions smaller than 100 mu m. Fused deposition modeling 3D printing using thermoplastic filaments of PETG (polyethylene terephthalate glycol), PLA (polylactic acid), and ABS (acrylonitrile butadiene styrene) were used to fabricate the microchannels. The current monitoring method and sodium phosphate solutions at different pH values (3-10) were used for the EOF mobility (mu(EOF)) measurements, which ranged from 2.00 x 10(-4) to 12.52 x 10(-4) cm(2) V-1 s(-1). The highest and the smallest mu(EOF) were obtained for the PLA and PETG microchannels, respectively. Adding the cationic surfactant cetyltrimethylammonium bromide to the sodium phosphate solution caused EOF direction reversion in all the studied microchannels. The obtained results can be interesting for developing 3D-printed microfluidic devices, in which EOF is relevant. (AU) | |
| FAPESP's process: | 14/50867-3 - INCT 2014: National Institute of Science and Technology in Bioanalysis |
| Grantee: | Marco Aurelio Zezzi Arruda |
| Support Opportunities: | Research Projects - Thematic Grants |