{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T09:25:23Z","timestamp":1769937923335,"version":"3.49.0"},"reference-count":67,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2020,10,27]],"date-time":"2020-10-27T00:00:00Z","timestamp":1603756800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Detection and quantification of diverse analytes such as molecules, cells receptor and even particles and nanoparticles, play an important role in biomedical research, particularly in electrochemical sensing platform technologies. In this study, gold nanoparticles (AuNPs) prepared by green synthesis from Sargassum sp. were characterized using ultraviolet-visible (UV-Vis) and Fourier transform-infrared (FT-IR) spectroscopies, X-ray diffraction (XRD), scanning electron microscopy (SEM), dynamic light scattering (DLS) and zeta potential (\u03b6) obtaining organic capped face-centered cubic 80\u2013100 nm AuNPs with an excellent stability in a wide range of pH. The AuNPs were used to modify a carbon nanotubes-screen printed electrode (CNT-SPE), through the drop-casting method, to assemble a novel portable electrochemical sensing platform for glucose, using a novel combination of components, which together have not been employed. The ability to sense and measure glucose was demonstrated, and its electrochemical fundamentals was studied using cyclic voltammetry (CV). The limits of detection (LOD) and quantification (LOQ) to glucose were 50 \u03bcM and 98 \u03bcM, respectively, and these were compared to those of other sensing platforms.<\/jats:p>","DOI":"10.3390\/s20216108","type":"journal-article","created":{"date-parts":[[2020,10,27]],"date-time":"2020-10-27T09:22:45Z","timestamp":1603790565000},"page":"6108","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Developing a CNT-SPE Sensing Platform Based on Green Synthesized AuNPs, Using Sargassum sp."],"prefix":"10.3390","volume":"20","author":[{"given":"Fanny J.","family":"Gonz\u00e1lez-Fuentes","sequence":"first","affiliation":[{"name":"Centro de F\u00edsica Aplicada y Tecnolog\u00eda Avanzada, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Boulevard Juriquilla 3001, Quer\u00e9taro, Quer\u00e9taro 76230, Mexico"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7673-0518","authenticated-orcid":false,"given":"Gustavo A.","family":"Molina","sequence":"additional","affiliation":[{"name":"Posgrado en Ciencia e Ingenier\u00eda de Materiales, Centro de F\u00edsica Aplicada y Tecnolog\u00eda Avanzada, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Boulevard Juriquilla 3001, Quer\u00e9taro, Quer\u00e9taro 76230, Mexico"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0064-9558","authenticated-orcid":false,"given":"Rodolfo","family":"Silva","sequence":"additional","affiliation":[{"name":"Instituto de Ingenier\u00eda, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Edificio 17, Ciudad Universitaria, Coyoac\u00e1n 04510, Mexico"}]},{"given":"Jos\u00e9 Luis","family":"L\u00f3pez-Miranda","sequence":"additional","affiliation":[{"name":"Centro de F\u00edsica Aplicada y Tecnolog\u00eda Avanzada, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Boulevard Juriquilla 3001, Quer\u00e9taro, Quer\u00e9taro 76230, Mexico"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9743-8559","authenticated-orcid":false,"given":"Rodrigo","family":"Esparza","sequence":"additional","affiliation":[{"name":"Centro de F\u00edsica Aplicada y Tecnolog\u00eda Avanzada, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Boulevard Juriquilla 3001, Quer\u00e9taro, Quer\u00e9taro 76230, Mexico"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1594-2546","authenticated-orcid":false,"given":"Angel R.","family":"Hernandez-Martinez","sequence":"additional","affiliation":[{"name":"Centro de F\u00edsica Aplicada y Tecnolog\u00eda Avanzada, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Boulevard Juriquilla 3001, Quer\u00e9taro, Quer\u00e9taro 76230, Mexico"}]},{"given":"Miriam","family":"Estevez","sequence":"additional","affiliation":[{"name":"Centro de F\u00edsica Aplicada y Tecnolog\u00eda Avanzada, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Boulevard Juriquilla 3001, Quer\u00e9taro, Quer\u00e9taro 76230, Mexico"}]}],"member":"1968","published-online":{"date-parts":[[2020,10,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2064","DOI":"10.1021\/cr068445e","article-title":"Magnetic Iron Oxide Nanoparticles: Synthesis, Stabilization, Vectorization, Physicochemical Characterizations, and Biological Applications","volume":"108","author":"Laurent","year":"2008","journal-title":"Chem. 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