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Basmadjian OM, Occhieppo VB, Montemerlo AE, Rivas GA, Rubianes MD, Baiardi G, Bregonzio C. Angiotensin II involvement in the development and persistence of amphetamine-induced sensitization: Striatal dopamine reuptake implications. Eur J Neurosci 2024; 59:2450-2464. [PMID: 38480476 DOI: 10.1111/ejn.16312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 02/06/2024] [Accepted: 02/22/2024] [Indexed: 05/22/2024]
Abstract
Amphetamine (AMPH) exposure induces behavioural and neurochemical sensitization observed in rodents as hyperlocomotion and increased dopamine release in response to a subsequent dose. Brain Angiotensin II modulates dopaminergic neurotransmission through its AT1 receptors (AT1-R), positively regulating striatal dopamine synthesis and release. This work aims to evaluate the AT1-R role in the development and maintenance of AMPH-induced sensitization. Also, the AT1-R involvement in striatal dopamine reuptake was analysed. The sensitization protocol consisted of daily AMPH administration for 5 days and tested 21 days after withdrawal. An AT1-R antagonist, candesartan, was administered before or after AMPH exposure to evaluate the participation of AT1-R in the development and maintenance of sensitization, respectively. Sensitization was evaluated by locomotor activity and c-Fos immunostaining. Changes in dopamine reuptake kinetics were evaluated 1 day after AT1-R blockade withdrawal treatment, with or without the addition of AMPH in vitro. The social interaction test was performed as another behavioural output. Repeated AMPH exposure induced behavioural and neurochemical sensitization, which was prevented and reversed by candesartan. The AT1-R blockade increased the dopamine reuptake kinetics. Neither the AMPH administration nor the AT1-R blockade altered the performance of social interaction. Our results highlight the AT1-R's crucial role in AMPH sensitization. The enhancement of dopamine reuptake kinetics induced by the AT1-R blockade might attenuate the neuroadaptive changes that lead to AMPH sensitization and its self-perpetuation. Therefore, AT1-R is a prominent candidate as a target for pharmacological treatment of pathologies related to dopamine imbalance, including drug addiction and schizophrenia.
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Affiliation(s)
- Osvaldo M Basmadjian
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología Otto Orsingher, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Victoria B Occhieppo
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología Otto Orsingher, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Antonella E Montemerlo
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Gustavo A Rivas
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - María D Rubianes
- INFIQC-CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Gustavo Baiardi
- Laboratorio de Neurofarmacología, (IIBYT-CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Claudia Bregonzio
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología Otto Orsingher, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
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2
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Mujica ML, Tamborelli A, Castellaro A, Barcudi D, Rubianes MD, Rodríguez MC, Saka HA, Bocco JL, Dalmasso PR, Rivas GA. Impedimetric and amperometric genosensors for the highly sensitive quantification of SARS-CoV-2 nucleic acid using an avidin-functionalized multi-walled carbon nanotubes biocapture platform. Biosens Bioelectron X 2022; 12:100222. [PMID: 36118917 PMCID: PMC9472467 DOI: 10.1016/j.biosx.2022.100222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/17/2022] [Accepted: 08/13/2022] [Indexed: 04/26/2023]
Abstract
We report two novel genosensors for the quantification of SARS-CoV-2 nucleic acid using glassy carbon electrodes modified with a biocapture nanoplatform made of multi-walled carbon nanotubes (MWCNTs) non-covalently functionalized with avidin (Av) as a support of the biotinylated-DNA probes. One of the genosensors was based on impedimetric transduction offering a non-labelled and non-amplified detection of SARS-CoV-2 nucleic acid through the increment of [Fe(CN)6]3-/4- charge transfer resistance. This biosensor presented an excellent analytical performance, with a linear range of 1.0 × 10-18 M - 1.0 × 10-11 M, a sensitivity of (5.8 ± 0.6) x 102 Ω M-1 (r2 = 0.994), detection and quantification limits of 0.33 aM and 1.0 aM, respectively; and reproducibilities of 5.4% for 1.0 × 10-15 M target using the same MWCNTs-Av-bDNAp nanoplatform, and 6.9% for 1.0 × 10-15 M target using 3 different nanoplatforms. The other genosensor was based on a sandwich hybridization scheme and amperometric transduction using the streptavidin(Strep)-biotinylated horseradish peroxidase (bHRP)/hydrogen peroxide/hydroquinone (HQ) system. This genosensor allowed an extremely sensitive quantification of the SARS-CoV-2 nucleic acid, with a linear range of 1.0 × 10-20 M - 1.0 × 10-17 M, detection limit at zM level, and a reproducibility of 11% for genosensors prepared with the same MWCNTs-Av-bDNAp1 nanoplatform. As a proof-of-concept, and considering the extremely high sensitivity, the genosensor was challenged with highly diluted samples obtained from SARS-CoV-2 RNA PCR amplification.
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Affiliation(s)
- Michael López Mujica
- INFIQC, CONICET-UNC, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Alejandro Tamborelli
- INFIQC, CONICET-UNC, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
- CIQA, CONICET, Departamento de Ingeniería Química, Facultad Regional Córdoba, Universidad Tecnológica Nacional, Maestro López esq. Cruz Roja Argentina, 5016, Córdoba, Argentina
| | - Andrés Castellaro
- CIBICI, CONICET-UNC, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Danilo Barcudi
- CIBICI, CONICET-UNC, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - María D Rubianes
- INFIQC, CONICET-UNC, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Marcela C Rodríguez
- INFIQC, CONICET-UNC, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Héctor A Saka
- CIBICI, CONICET-UNC, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - José L Bocco
- CIBICI, CONICET-UNC, Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Pablo R Dalmasso
- CIQA, CONICET, Departamento de Ingeniería Química, Facultad Regional Córdoba, Universidad Tecnológica Nacional, Maestro López esq. Cruz Roja Argentina, 5016, Córdoba, Argentina
| | - Gustavo A Rivas
- INFIQC, CONICET-UNC, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
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Mujica ML, Gallay PA, Perrachione F, Montemerlo AE, Tamborelli LA, Vaschetti VM, Reartes DF, Bollo S, Rodríguez MC, Dalmasso PR, Rubianes MD, Rivas GA. New trends in the development of electrochemical biosensors for the quantification of microRNAs. J Pharm Biomed Anal 2020; 189:113478. [PMID: 32768875 DOI: 10.1016/j.jpba.2020.113478] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 02/07/2023]
Abstract
MicroRNAs (miRNAs) are non-coding regulatory RNAs that play an important role in RNA silencing and post-transcriptional gene expression regulation. Since their dysregulation has been associated with Alzheimer disease, cardiovascular diseases and different types of cancer, among others, miRNAs can be used as biomarkers for early diagnosis and prognosis of these diseases. The methods commonly used to quantify miRNAs are, in general, complex, costly, with limited application for point-of-care devices or resource-limited facilities. Electrochemical biosensors, mainly those based on nanomaterials, have emerged as a promising alternative to the conventional miRNA detection methods and have paved the way to the development of sensitive, fast, and low-cost detection systems. This review is focused on the most relevant contributions performed in the field of electrochemical miRNAs biosensors between 2017 and the beginning of 2020. The main contribution of this article is the critical discussion of the different amplification strategies and the comparative analysis between amplified and non-amplified miRNA electrochemical biosensing and between the different amplification schemes. Particular emphasis was given to the importance of the nanostructures, enzymes, labelling molecules, and special sequences of nucleic acids or analogues on the organization of the different bioanalytical platforms, the transduction of the hybridization event and the generation the analytical signal.
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Affiliation(s)
- Michael López Mujica
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Pablo A Gallay
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Fabrizio Perrachione
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Antonella E Montemerlo
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Luis A Tamborelli
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina; CIQA-CONICET, Departamento de Ingeniería Química, Facultad Regional Córdoba, Universidad Tecnológica Nacional, Maestro López esq, Cruz Roja Argentina, 5016, Córdoba, Argentina
| | - Virginia M Vaschetti
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina; CIQA-CONICET, Departamento de Ingeniería Química, Facultad Regional Córdoba, Universidad Tecnológica Nacional, Maestro López esq, Cruz Roja Argentina, 5016, Córdoba, Argentina
| | - Daiana F Reartes
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Soledad Bollo
- Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas, Departamento de Química Farmacológica y Toxicológica, Universidad de Chile, Santiago, Chile
| | - Marcela C Rodríguez
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Pablo R Dalmasso
- CIQA-CONICET, Departamento de Ingeniería Química, Facultad Regional Córdoba, Universidad Tecnológica Nacional, Maestro López esq, Cruz Roja Argentina, 5016, Córdoba, Argentina
| | - María D Rubianes
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Gustavo A Rivas
- INFIQC (CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000, Córdoba, Argentina.
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Gallay PA, Rubianes MD, Gutierrez FA, Rivas GA. Avidin and Glucose Oxidase‐non‐covalently Functionalized Multi‐walled Carbon Nanotubes: A New Analytical Tool for Building a Bienzymatic Glucose Biosensor. ELECTROANAL 2019. [DOI: 10.1002/elan.201900202] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Pablo A. Gallay
- INFIQC, Departamento de Fisicoquímica, Facultad de Ciencias QuímicasUniversidad Nacional de Córdoba, Ciudad Universitaria 5000 Córdoba Argentina
| | - María D. Rubianes
- INFIQC, Departamento de Fisicoquímica, Facultad de Ciencias QuímicasUniversidad Nacional de Córdoba, Ciudad Universitaria 5000 Córdoba Argentina
| | - Fabiana A. Gutierrez
- INFIQC, Departamento de Fisicoquímica, Facultad de Ciencias QuímicasUniversidad Nacional de Córdoba, Ciudad Universitaria 5000 Córdoba Argentina
| | - Gustavo A. Rivas
- INFIQC, Departamento de Fisicoquímica, Facultad de Ciencias QuímicasUniversidad Nacional de Córdoba, Ciudad Universitaria 5000 Córdoba Argentina
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Primo EN, Kogan MJ, Verdejo HE, Bollo S, Rubianes MD, Rivas GA. Label-Free Graphene Oxide-Based Surface Plasmon Resonance Immunosensor for the Quantification of Galectin-3, a Novel Cardiac Biomarker. ACS Appl Mater Interfaces 2018; 10:23501-23508. [PMID: 29985579 DOI: 10.1021/acsami.8b03039] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We report the first optical biosensor for the novel and important cardiac biomarker, galectin-3 (Gal3), using the anti-Gal3 antibody as a biorecognition element and surface plasmon resonance (SPR) for transducing the bioaffinity event. The immunosensing platform was built at a thiolated Au surface modified by self-assembling four bilayers of poly(diallyldimethylammonium chloride) and graphene oxide (GO), followed by the covalent attachment of 3-aminephenylboronic acid (3ABA). The importance of GO, both as the anchoring point of the antibody and as a field enhancer for improving the biosensor sensitivity, was critically discussed. The advantages of using 3ABA to orientate the anti-Gal3 antibody through the selective link to the Fc region were also demonstrated. The new platform represents an interesting alternative for the label-free biosensing of Gal3 in the whole range of clinically relevant concentrations (linear range between 10.0 and 50.0 ng mL-1, detection limit of 2.0 ng mL-1) with successful application for Gal3 biosensing in enriched human serum samples.
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Affiliation(s)
- Emiliano N Primo
- INFIQC (CONICET), Haya de la Torre s/n, Ciudad Universitaria , X5000HUA Córdoba , Argentina
- Departamento de Fisicoquímica, Facultad de Ciencias Químicas , Universidad Nacional de Córdoba, Ciudad Universitaria , X5000HUA Córdoba , Argentina
| | - Marcelo J Kogan
- Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas, Departamento de Química Farmacológica y Toxicológica , Universidad de Chile , 8380492 Santiago , Chile
| | - Hugo E Verdejo
- Advanced Center for Chronic Diseases (ACCDiS), División de Enfermedades Cardiovasculares, Facultad de Medicina , Pontificia Universidad Católica de Chile , 7500011 Santiago , Chile
| | - Soledad Bollo
- Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas, Departamento de Química Farmacológica y Toxicológica , Universidad de Chile , 8380492 Santiago , Chile
| | - María D Rubianes
- INFIQC (CONICET), Haya de la Torre s/n, Ciudad Universitaria , X5000HUA Córdoba , Argentina
- Departamento de Fisicoquímica, Facultad de Ciencias Químicas , Universidad Nacional de Córdoba, Ciudad Universitaria , X5000HUA Córdoba , Argentina
| | - Gustavo A Rivas
- INFIQC (CONICET), Haya de la Torre s/n, Ciudad Universitaria , X5000HUA Córdoba , Argentina
- Departamento de Fisicoquímica, Facultad de Ciencias Químicas , Universidad Nacional de Córdoba, Ciudad Universitaria , X5000HUA Córdoba , Argentina
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Gutierrez FA, Mazario E, Menéndez N, Herrasti P, Rubianes MD, Zagal JH, Yañez C, Rivas GA, Bollo S, Recio FJ. Electrocatalytic Activity of Nanohybrids Based on Carbon Nanomaterials and MFe2
O4
(M=Co, Mn) towards the Reduction of Hydrogen Peroxide. ELECTROANAL 2018. [DOI: 10.1002/elan.201800209] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Fabiana A. Gutierrez
- INFIQC (UNC-CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas; Universidad Nacional de Córdoba; Argentina
| | - Eva Mazario
- Departamento de Química Física Aplicada, Facultad de Ciencias Químicas; Universidad Autónoma Madrid; España
| | - Nieves Menéndez
- Departamento de Química Física Aplicada, Facultad de Ciencias Químicas; Universidad Autónoma Madrid; España
| | - Pilar Herrasti
- Departamento de Química Física Aplicada, Facultad de Ciencias Químicas; Universidad Autónoma Madrid; España
| | - María D. Rubianes
- INFIQC (UNC-CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas; Universidad Nacional de Córdoba; Argentina
| | - José H. Zagal
- Departamento de Química de los Materiales, Facultad de Química y Biología; Universidad de Santiago de Chile; Av. Libertador B. O'Higgins 3363, Casilla 40, Correo 33 Santiago Chile
| | - C. Yañez
- CiPRex; Facultad de Ciencias Químicas y Farmacéuticas
| | - Gustavo A. Rivas
- INFIQC (UNC-CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas; Universidad Nacional de Córdoba; Argentina
| | - Soledad Bollo
- CiPRex; Facultad de Ciencias Químicas y Farmacéuticas
- Advanced Center for Chronic Diseases (ACCDiS); Universidad de Chile; Chile
| | - F. Javier Recio
- Departamento de Química Inorgánica; Facultad de Química
- Centro de Nanotecnología y Materiales Avanzados. CIEN-UC; Pontificia Universidad Católica de Chile; Chile
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Gutiérrez A, Primo EN, Eguílaz M, Parrado C, Rubianes MD, Rivas GA. Quantification of neurotransmitters and metabolically related compounds at glassy carbon electrodes modified with bamboo-like carbon nanotubes dispersed in double stranded DNA. Microchem J 2017. [DOI: 10.1016/j.microc.2016.08.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Gutierrez FA, Rubianes MD, Rivas GA. Electrochemical sensor for amino acids and glucose based on glassy carbon electrodes modified with multi-walled carbon nanotubes and copper microparticles dispersed in polyethylenimine. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2015.10.029] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Primo EN, Gutierrez FA, Rubianes MD, Rivas GA. Bamboo-like multiwalled carbon nanotubes dispersed in double stranded calf-thymus DNA as a new analytical platform for building layer-by-layer based biosensors. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.09.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Gutiérrez A, Gasnier A, Pedano ML, Gonzalez-Dominguez JM, Ansón-Casaos A, Hernández-Ferrer J, Galicia L, Rubianes MD, Martínez MT, Rivas GA. Electrochemical Sensor for the Quantification of Dopamine Using Glassy Carbon Electrodes Modified with Single-Wall Carbon Nanotubes Covalently Functionalized with Polylysine. ELECTROANAL 2015. [DOI: 10.1002/elan.201500053] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Primo EN, Oviedo MB, Sánchez CG, Rubianes MD, Rivas GA. Bioelectrochemical sensing of promethazine with bamboo-type multiwalled carbon nanotubes dispersed in calf-thymus double stranded DNA. Bioelectrochemistry 2014; 99:8-16. [DOI: 10.1016/j.bioelechem.2014.05.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Revised: 05/03/2014] [Accepted: 05/20/2014] [Indexed: 01/18/2023]
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Gasnier A, González-Domínguez JM, Ansón-Casaos A, Hernández-Ferrer J, Pedano ML, Rubianes MD, Martínez MT, Rivas G. Single-Wall Carbon Nanotubes Covalently Functionalized with Polylysine: Synthesis, Characterization and Analytical Applications for the Development of Electrochemical (Bio)Sensors. ELECTROANAL 2014. [DOI: 10.1002/elan.201400108] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Gutierrez F, Comba FN, Gasnier A, Gutierrez A, Galicia L, Parrado C, Rubianes MD, Rivas GA. Graphene Paste Electrode: Analytical Applications for the Quantification of Dopamine, Phenolic Compounds and Ethanol. ELECTROANAL 2014. [DOI: 10.1002/elan.201400247] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Hernández-Ferrer J, Laporta P, Gutiérrez F, Rubianes MD, Rivas G, Martínez MT. Multi-walled carbon nanotubes/graphene nanoribbons hybrid materials with superior electrochemical performance. Electrochem commun 2014. [DOI: 10.1016/j.elecom.2013.12.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Gutierrez F, Rubianes MD, Rivas GA. Adsorption and Electrooxidation of DNA at Glassy Carbon Electrodes Modified with Multiwall Carbon Nanotubes Dispersed in Glucose Oxidase. ELECTROANAL 2013. [DOI: 10.1002/elan.201200559] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Comba FN, Gutierrez F, Herrasti P, Rubianes MD, Rivas GA. Effect of the Incorporation of Proteins on the Performance of Carbon Paste Electrodes Modified with Electrogenerated Magnetite Nanoparticles towards the Reduction of Hydrogen Peroxide. ELECTROANAL 2012. [DOI: 10.1002/elan.201200176] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Gasnier A, Pedano ML, Gutierrez F, Labbé P, Rivas GA, Rubianes MD. Glassy carbon electrodes modified with a dispersion of multi-wall carbon nanotubes in dopamine-functionalized polyethylenimine: Characterization and analytical applications for nicotinamide adenine dinucleotide quantification. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2012.03.073] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Gutiérrez F, Ortega G, Cabrera JL, Rubianes MD, Rivas GA. Quantification of Quercetin Using Glassy Carbon Electrodes Modified with Multiwalled Carbon Nanotubes Dispersed in Polyethylenimine and Polyacrylic Acid. ELECTROANAL 2010. [DOI: 10.1002/elan.201000291] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Rodríguez MC, Rubianes MD, Rivas GA. Highly selective determination of dopamine in the presence of ascorbic acid and serotonin at glassy carbon electrodes modified with carbon nanotubes dispersed in polyethylenimine. J Nanosci Nanotechnol 2008; 8:6003-6009. [PMID: 19198338 DOI: 10.1166/jnn.2008.466] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
We report the highly selective and sensitive voltammetric dopamine quantification in the presence of ascorbic acid and serotonin by using glassy carbon electrodes modified with a dispersion of multi-wall carbon nanotubes (MWCNT) in polyethylenimine, PEI (GCE/MWCNT-PEI). The electrocatalytic activity of the MWCNT deposited on the glassy carbon electrode has allowed an important decrease in the overvoltages for the oxidation of ascorbic acid and dopamine, making possible a clear definition of dopamine, serotonin and ascorbic acid oxidation processes. The sensitivities for dopamine in the presence and absence of 1.0 mM ascorbic acid and serotonin were (2.18 +/- 0.03) x 10(5) microAM(-1) (r = 0.9998); and (2.10 +/- 0.07) x 10(5) miroAM(-1) (r=0.9985), respectively, demonstrating the excellent performance of the GCE/MWCNT-PEI. The detection limit for dopamine in the mixture was 9.2 x 10(-7) M. The R. S. D. for the determination of 50 microM dopamine using four different electrodes was 3.9% when modified with the same MWCNT/PEI dispersion, and 4.6% when using four different dispersions. The modified electrode has been successfully applied for recovery assays of dopamine in human blood serum. Therefore, the new sensor represents an interesting and promising alternative for the electrochemical quantification of neurotransmitters and other analytes of clinical interest.
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Affiliation(s)
- Marcela C Rodríguez
- INFIQC, Departamento de Físico Química, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina
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Rivas GA, Rubianes MD, Rodríguez MC, Ferreyra NF, Luque GL, Pedano ML, Miscoria SA, Parrado C. Carbon nanotubes for electrochemical biosensing. Talanta 2007; 74:291-307. [PMID: 18371643 DOI: 10.1016/j.talanta.2007.10.013] [Citation(s) in RCA: 445] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2007] [Revised: 10/03/2007] [Accepted: 10/04/2007] [Indexed: 11/15/2022]
Affiliation(s)
- Gustavo A Rivas
- INFIQC, Departamento de Físico Química, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina.
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Rubianes MD, Rivas GA. Dispersion of multi-wall carbon nanotubes in polyethylenimine: A new alternative for preparing electrochemical sensors. Electrochem commun 2007. [DOI: 10.1016/j.elecom.2006.08.057] [Citation(s) in RCA: 114] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Chicharro M, Sánchez A, Bermejo E, Zapardiel A, Rubianes MD, Rivas GA. Carbon nanotubes paste electrodes as new detectors for capillary electrophoresis. Anal Chim Acta 2005. [DOI: 10.1016/j.aca.2005.04.031] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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