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2007 3
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12 results

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Page 1
Electrochemical immunosensor for rapid and sensitive determination of estradiol.
Ojeda I, López-Montero J, Moreno-Guzmán M, Janegitz BC, González-Cortés A, Yáñez-Sedeño P, Pingarrón JM. Ojeda I, et al. Anal Chim Acta. 2012 Sep 19;743:117-24. doi: 10.1016/j.aca.2012.07.002. Epub 2012 Jul 7. Anal Chim Acta. 2012. PMID: 22882831
This work describes the preparation of an electrochemical immunosensor for estradiol based on the surface modification of a screen printed carbon electrode with grafted p-aminobenzoic acid followed by covalent binding of streptavidin (Strept) and immobilization of biotinyl …
This work describes the preparation of an electrochemical immunosensor for estradiol based on the surface modification of a screen printed c …
Disposable immunoplatforms for the simultaneous determination of biomarkers for neurodegenerative disorders using poly(amidoamine) dendrimer/gold nanoparticle nanocomposite.
Serafín V, Razzino CA, Gamella M, Pedrero M, Povedano E, Montero-Calle A, Barderas R, Calero M, Lobo AO, Yáñez-Sedeño P, Campuzano S, Pingarrón JM. Serafín V, et al. Anal Bioanal Chem. 2021 Jan;413(3):799-811. doi: 10.1007/s00216-020-02724-3. Epub 2020 May 30. Anal Bioanal Chem. 2021. PMID: 32474723
The methodology involves implementation of a sandwich-type immunoassay on the surface of dual screen-printed carbon electrodes (dSPCEs) electrochemically grafted with p-aminobenzoic acid (p-ABA), which allows the covalent immobilization of a gold nanoparticle-poly(a …
The methodology involves implementation of a sandwich-type immunoassay on the surface of dual screen-printed carbon electrodes (dSPCEs) elec …
An electrochemical immunosensor using gold nanoparticles-PAMAM-nanostructured screen-printed carbon electrodes for tau protein determination in plasma and brain tissues from Alzheimer patients.
Razzino CA, Serafín V, Gamella M, Pedrero M, Montero-Calle A, Barderas R, Calero M, Lobo AO, Yáñez-Sedeño P, Campuzano S, Pingarrón JM. Razzino CA, et al. Biosens Bioelectron. 2020 Sep 1;163:112238. doi: 10.1016/j.bios.2020.112238. Epub 2020 May 5. Biosens Bioelectron. 2020. PMID: 32568700
This work reports a new sensitive strategy for the determination of tau protein, a hallmark of Alzheimer's disease (AD), involving a sandwich immunoassay and amperometric detection at disposable screen-printed carbon electrodes (SPCEs) modified with a gold nanoparticles-poly(amid …
This work reports a new sensitive strategy for the determination of tau protein, a hallmark of Alzheimer's disease (AD), involving a sandwic …
Electrochemical immunosensor for the determination of the cytokine interferon gamma (IFN-γ) in saliva.
Sánchez-Tirado E, González-Cortés A, Yáñez-Sedeño P, Pingarrón JM. Sánchez-Tirado E, et al. Talanta. 2020 May 1;211:120761. doi: 10.1016/j.talanta.2020.120761. Epub 2020 Jan 17. Talanta. 2020. PMID: 32070582
The target analyte was sandwiched between a specific capture antibody covalently immobilized on a screen-printed electrode functionalized by the diazonium salt grafting of p-aminobenzoic acid, and a biotinylated detector antibody labeled with a streptavidin-horseradish per …
The target analyte was sandwiched between a specific capture antibody covalently immobilized on a screen-printed electrode functionalized by …
Oxidative grafting vs. monolayers self-assembling on gold surface for the preparation of electrochemical immunosensors. Application to the determination of peptide YY.
Guerrero S, Agüí L, Yáñez-Sedeño P, Pingarrón JM. Guerrero S, et al. Talanta. 2019 Feb 1;193:139-145. doi: 10.1016/j.talanta.2018.09.089. Epub 2018 Sep 25. Talanta. 2019. PMID: 30368282
A comparison of the performance of two electrochemical immunosensors for the determination of the anorexigen biomarker peptide YY (PYY) is reported by using as scaffolds screen printed gold electrodes modified either by oxidative grafting of p-aminobenzoic acid (p-A …
A comparison of the performance of two electrochemical immunosensors for the determination of the anorexigen biomarker peptide YY (PYY) is r …
Magnetic multiwalled carbon nanotubes as nanocarrier tags for sensitive determination of fetuin in saliva.
Sánchez-Tirado E, González-Cortés A, Yáñez-Sedeño P, Pingarrón JM. Sánchez-Tirado E, et al. Biosens Bioelectron. 2018 Aug 15;113:88-94. doi: 10.1016/j.bios.2018.04.056. Epub 2018 Apr 30. Biosens Bioelectron. 2018. PMID: 29734035
This paper reports the development and performance of an electrochemical immunosensor using magnetic multiwalled carbon nanotubes (m-MWCNTs) as nanocarrier tags for the determination of human fetuin A (HFA), a relevant biomarker of obesity, insulin resistance, and type-2 diabetes …
This paper reports the development and performance of an electrochemical immunosensor using magnetic multiwalled carbon nanotubes (m-MWCNTs) …
Simultaneous amperometric immunosensing of the metastasis-related biomarkers IL-13Rα2 and CDH-17 by using grafted screen-printed electrodes and a composite prepared from quantum dots and carbon nanotubes for signal amplification.
Serafín V, Valverde A, Garranzo-Asensio M, Barderas R, Campuzano S, Yáñez-Sedeño P, Pingarrón JM. Serafín V, et al. Mikrochim Acta. 2019 Jun 10;186(7):411. doi: 10.1007/s00604-019-3531-5. Mikrochim Acta. 2019. PMID: 31183566
The sandwich assay uses a screen-printed dual carbon electrode that was electrochemically grafted with p-aminobenzoic acid to allow the covalent immobilization of capture antibodies. ...
The sandwich assay uses a screen-printed dual carbon electrode that was electrochemically grafted with p-aminobenzoic acid to allow t …
Electrochemical determination of homocysteine at a gold nanoparticle-modified electrode.
Agüí L, Peña-Farfal C, Yáñez-Sedeño P, Pingarrón JM. Agüí L, et al. Talanta. 2007 Dec 15;74(3):412-20. doi: 10.1016/j.talanta.2007.05.035. Epub 2007 May 26. Talanta. 2007. PMID: 18371657
The hydrodynamic voltammogram constructed for homocysteine allowed the selection of a potential value of +600 mV, where the background current is negligible, for the amperometric detection of the analyte at the Au(coll)-Cyst-CPE. Using a flow rate of 0.8 ml min(-1), the R.S.D. va …
The hydrodynamic voltammogram constructed for homocysteine allowed the selection of a potential value of +600 mV, where the background curre …
Voltammetry and amperometric detection of tetracyclines at multi-wall carbon nanotube modified electrodes.
Vega D, Agüí L, González-Cortés A, Yáñez-Sedeño P, Pingarrón JM. Vega D, et al. Anal Bioanal Chem. 2007 Oct;389(3):951-8. doi: 10.1007/s00216-007-1505-7. Epub 2007 Aug 2. Anal Bioanal Chem. 2007. PMID: 17671781
The repeatability of the amperometric responses was much better than that achieved with bare GCE (RSD ranged from 7 to 12%), with RSD values for i (p) of around 3%, thus demonstrating the antifouling capability of MWCNT modified electrodes. ...
The repeatability of the amperometric responses was much better than that achieved with bare GCE (RSD ranged from 7 to 12%), with RSD values …
An electrochemical immunosensor for brain natriuretic peptide prepared with screen-printed carbon electrodes nanostructured with gold nanoparticles grafted through aryl diazonium salt chemistry.
Serafín V, Torrente-Rodríguez RM, González-Cortés A, García de Frutos P, Sabaté M, Campuzano S, Yáñez-Sedeño P, Pingarrón JM. Serafín V, et al. Talanta. 2018 Mar 1;179:131-138. doi: 10.1016/j.talanta.2017.10.063. Epub 2017 Oct 31. Talanta. 2018. PMID: 29310212
The performance of the immunosensor is advantageously compared with that provided with immunosensors prepared by grafting SPCE with p-phenylendiamine (H(2)N-Phe-SPCE) and attaching AuNPs by immersion into an AuNPs suspension or by electrochemical deposition, as well as wit …
The performance of the immunosensor is advantageously compared with that provided with immunosensors prepared by grafting SPCE with p …
12 results