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Costa JNY, Pimentel GJC, Poker JA, Merces L, Paschoalino WJ, Vieira LCS, Castro ACH, Alves WA, Ayres LB, Kubota LT, Santhiago M, Garcia CD, Piazzetta MHO, Gobbi AL, Shimizu FM, Lima RS. Single-Response Duplexing of Electrochemical Label-Free Biosensor from the Same Tag. Adv Healthc Mater 2024:e2303509. [PMID: 38245830 DOI: 10.1002/adhm.202303509] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 01/16/2024] [Indexed: 01/22/2024]
Abstract
Multiplexing is a valuable strategy to boost throughput and improve clinical accuracy. Exploiting the vertical, meshed design of reproducible and low-cost ultra-dense electrochemical chips, the unprecedented single-response multiplexing of typical label-free biosensors is reported. Using a cheap, handheld one-channel workstation and a single redox probe, that is, ferro/ferricyanide, the recognition events taking place on two spatially resolved locations of the same working electrode can be tracked along a single voltammetry scan by collecting the electrochemical signatures of the probe in relation to different quasi-reference electrodes, Au (0 V) and Ag/AgCl ink (+0.2 V). This spatial isolation prevents crosstalk between the redox tags and interferences over functionalization and binding steps, representing an advantage over the existing non-spatially resolved single-response multiplex strategies. As proof of concept, peptide-tethered immunosensors are demonstrated to provide the duplex detection of COVID-19 antibodies, thereby doubling the throughput while achieving 100% accuracy in serum samples. The approach is envisioned to enable broad applications in high-throughput and multi-analyte platforms, as it can be tailored to other biosensing devices and formats.
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Affiliation(s)
- Juliana N Y Costa
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo, 09210-580, Brazil
| | - Gabriel J C Pimentel
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
- Institute of Chemistry, University of Campinas, Campinas, São Paulo, 13083-970, Brazil
| | - Júlia A Poker
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
- Institute of Chemistry, University of Campinas, Campinas, São Paulo, 13083-970, Brazil
| | - Leandro Merces
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN), Chemnitz University of Technology, 09126, Chemnitz, Germany
| | - Waldemir J Paschoalino
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
| | - Luis C S Vieira
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
| | - Ana C H Castro
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo, 09210-580, Brazil
| | - Wendel A Alves
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo, 09210-580, Brazil
| | - Lucas B Ayres
- Department of Chemistry, Clemson University, Clemson, SC, 29634, USA
| | - Lauro T Kubota
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo, 09210-580, Brazil
| | - Murilo Santhiago
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
| | - Carlos D Garcia
- Department of Chemistry, Clemson University, Clemson, SC, 29634, USA
| | - Maria H O Piazzetta
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
| | - Angelo L Gobbi
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
| | - Flávio M Shimizu
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
| | - Renato S Lima
- Brazilian Nanotechnology National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, São Paulo, 13083-970, Brazil
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo, 09210-580, Brazil
- Institute of Chemistry, University of Campinas, Campinas, São Paulo, 13083-970, Brazil
- Department of Chemistry, Clemson University, Clemson, SC, 29634, USA
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, São Paulo, 13565-590, Brazil
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Nunez FA, Castro ACH, Daher IP, Cunha-Neto E, Kalil J, Boscardin SB, Lanfredi AJC, de Oliveira VL, Alves WA. ZnO-Based Electrochemical Immunosensor to Assess Vaccine-Induced Antibody-Mediated Immunity against Wild-Type and Gamma SARS-CoV-2 Strains. Biosensors (Basel) 2023; 13:371. [PMID: 36979583 PMCID: PMC10046366 DOI: 10.3390/bios13030371] [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] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/05/2023] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
The evaluation of serological responses to COVID-19 is crucial for population-level surveillance, developing new vaccines, and evaluating the efficacy of different immunization programs. Research and development of point-of-care test technologies remain essential to improving immunity assessment, especially for SARS-CoV-2 variants that partially evade vaccine-induced immune responses. In this work, an impedimetric biosensor based on the immobilization of the recombinant trimeric wild-type spike protein (S protein) on zinc oxide nanorods (ZnONRs) was employed for serological evaluation. We successfully assessed its applicability using serum samples from spike-based COVID-19 vaccines: ChAdOx1-S (Oxford-AstraZeneca) and BNT162b2 (Pfizer-BioNTech). Overall, the ZnONRs/ spike-modified electrode displayed accurate results for both vaccines, showing excellent potential as a tool for assessing and monitoring seroprevalence in the population. A refined outcome of this technology was achieved when the ZnO immunosensor was functionalized with the S protein from the P.1 linage (Gamma variant). Serological responses against samples from vaccinated individuals were acquired with excellent performance. Following studies based on traditional serological tests, the ZnONRs/spike immunosensor data reveal that ChAdOx1-S vaccinated individuals present significantly less antibody-mediated immunity against the Gamma variant than the BNT162b2 vaccine, highlighting the great potential of this point-of-care technology for evaluating vaccine-induced humoral immunity against different SARS-CoV-2 strains.
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Affiliation(s)
- Freddy A. Nunez
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, São Paulo 09210-580, Brazil
| | - Ana C. H. Castro
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, São Paulo 09210-580, Brazil
| | - Isabela P. Daher
- Laboratorio de Imunologia, INCOR, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo 05403-900, Brazil
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de Sao Paulo, São Paulo 05508-900, Brazil
| | - Edecio Cunha-Neto
- Laboratorio de Imunologia, INCOR, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo 05403-900, Brazil
- LIM-19, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo 05403-900, Brazil
| | - Jorge Kalil
- Laboratorio de Imunologia, INCOR, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo 05403-900, Brazil
- LIM-19, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo 05403-900, Brazil
| | - Silvia B. Boscardin
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de Sao Paulo, São Paulo 05508-900, Brazil
| | - Alexandre J. C. Lanfredi
- Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas, Universidade Federal do ABC, São Paulo 09210-580, Brazil
| | - Vivian L. de Oliveira
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, São Paulo 09210-580, Brazil
- Laboratorio de Imunologia, INCOR, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo 05403-900, Brazil
- LIM-19, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo 05403-900, Brazil
| | - Wendel A. Alves
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, São Paulo 09210-580, Brazil
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3
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Nunez FA, Castro ACH, de Oliveira VL, Lima AC, Oliveira JR, de Medeiros GX, Sasahara GL, Santos KS, Lanfredi AJC, Alves WA. Electrochemical Immunosensors Based on Zinc Oxide Nanorods for Detection of Antibodies Against SARS-CoV-2 Spike Protein in Convalescent and Vaccinated Individuals. ACS Biomater Sci Eng 2023; 9:458-473. [PMID: 36048716 PMCID: PMC9469957 DOI: 10.1021/acsbiomaterials.2c00509] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 08/24/2022] [Indexed: 01/11/2023]
Abstract
Even after over 2 years of the COVID-19 pandemic, research on rapid, inexpensive, and accurate tests remains essential for controlling and avoiding the global spread of SARS-CoV-2 across the planet during a potential reappearance in future global waves or regional outbreaks. Assessment of serological responses for COVID-19 can be beneficial for population-level surveillance purposes, supporting the development of novel vaccines and evaluating the efficacy of different immunization programs. This can be especially relevant for broadly used inactivated whole virus vaccines, such as CoronaVac, which produced lower titers of neutralizing antibodies. and showed lower efficacy for specific groups such as the elderly and immunocompromised. We developed an impedimetric biosensor based on the immobilization of SARS-CoV-2 recombinant trimeric spike protein (S protein) on zinc oxide nanorod (ZnONR)-modified fluorine-doped tin oxide substrates for COVID-19 serology testing. Due to electrostatic interactions, the negatively charged S protein was immobilized via physical adsorption. The electrochemical response of the immunosensor was measured at each modification step and characterized by scanning electron microscopy and electrochemical techniques. We successfully evaluated the applicability of the modified ZnONR electrodes using serum samples from COVID-19 convalescent individuals, CoronaVac-vaccinated with or without positive results for SARS-CoV-2 infection, and pre-pandemic samples from healthy volunteers as controls. ELISA for IgG anti-SARS-CoV-2 spike protein was performed for comparison, and ELISA for IgG anti-RBDs of seasonal coronavirus (HCoVs) was used to test the specificity of immunosensor detection. No cross-reactivity with HCoVs was detected using the ZnONR immunosensor, and more interestingly, the sensor presented higher sensitivity when compared to negative ELISA results. The results demonstrate that the ZnONRs/spike-modified electrode displayed sensitive results for convalescents and vaccinated samples and shows excellent potential as a tool for the population's assessment and monitoring of seroconversion and seroprevalence.
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Affiliation(s)
- Freddy A. Nunez
- Centro de Ciências Naturais e Humanas,
Universidade Federal do ABC, Av. dos Estados, 5001, Santo
André, São Paulo09210-580, Brazil
| | - Ana C. H. Castro
- Centro de Ciências Naturais e Humanas,
Universidade Federal do ABC, Av. dos Estados, 5001, Santo
André, São Paulo09210-580, Brazil
| | - Vivian L. de Oliveira
- Centro de Ciências Naturais e Humanas,
Universidade Federal do ABC, Av. dos Estados, 5001, Santo
André, São Paulo09210-580, Brazil
- Laboratório de Imunologia, LIM19, Instituto do
Coração (InCor), Hospital das Clínicas da Faculdade de
Medicina da Universidade de São Paulo (HCFMUSP), Av. Dr. Arnaldo,
44, São Paulo, São Paulo05403-900, Brazil
| | - Ariane C. Lima
- Departamento de Clínica Médica, Disciplina
de Alergia e Imunologia Clínica, Faculdade de Medicina da Universidade
de São Paulo, Av. Dr. Arnaldo, 455, São Paulo, São
Paulo01246-903, Brazil
| | - Jamille R. Oliveira
- Departamento de Clínica Médica, Disciplina
de Alergia e Imunologia Clínica, Faculdade de Medicina da Universidade
de São Paulo, Av. Dr. Arnaldo, 455, São Paulo, São
Paulo01246-903, Brazil
| | - Giuliana X. de Medeiros
- Departamento de Clínica Médica, Disciplina
de Alergia e Imunologia Clínica, Faculdade de Medicina da Universidade
de São Paulo, Av. Dr. Arnaldo, 455, São Paulo, São
Paulo01246-903, Brazil
| | - Greyce L. Sasahara
- Laboratório de Imunologia, LIM19, Instituto do
Coração (InCor), Hospital das Clínicas da Faculdade de
Medicina da Universidade de São Paulo (HCFMUSP), Av. Dr. Arnaldo,
44, São Paulo, São Paulo05403-900, Brazil
| | - Keity S. Santos
- Laboratório de Imunologia, LIM19, Instituto do
Coração (InCor), Hospital das Clínicas da Faculdade de
Medicina da Universidade de São Paulo (HCFMUSP), Av. Dr. Arnaldo,
44, São Paulo, São Paulo05403-900, Brazil
- Departamento de Clínica Médica, Disciplina
de Alergia e Imunologia Clínica, Faculdade de Medicina da Universidade
de São Paulo, Av. Dr. Arnaldo, 455, São Paulo, São
Paulo01246-903, Brazil
| | - Alexandre J. C. Lanfredi
- Centro de Engenharia, Modelagem e Ciências
Sociais Aplicadas, Universidade Federal do ABC, Av. dos
Estados, 5001, Santo André, São Paulo09210-580,
Brazil
| | - Wendel A. Alves
- Centro de Ciências Naturais e Humanas,
Universidade Federal do ABC, Av. dos Estados, 5001, Santo
André, São Paulo09210-580, Brazil
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Castro ACH, Bezerra ÍRS, Pascon AM, da Silva GH, Philot EA, de Oliveira VL, Mancini RSN, Schleder GR, Castro CE, de Carvalho LRS, Fernandes BHV, Cilli EM, Sanches PRS, Santhiago M, Charlie-Silva I, Martinez DST, Scott AL, Alves WA, Lima RS. Modular Label-Free Electrochemical Biosensor Loading Nature-Inspired Peptide toward the Widespread Use of COVID-19 Antibody Tests. ACS Nano 2022; 16:14239-14253. [PMID: 35969505 PMCID: PMC9397565 DOI: 10.1021/acsnano.2c04364] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/11/2022] [Indexed: 05/16/2023]
Abstract
Limitations of the recognition elements in terms of synthesis, cost, availability, and stability have impaired the translation of biosensors into practical use. Inspired by nature to mimic the molecular recognition of the anti-SARS-CoV-2 S protein antibody (AbS) by the S protein binding site, we synthesized the peptide sequence of Asn-Asn-Ala-Thr-Asn-COOH (abbreviated as PEP2003) to create COVID-19 screening label-free (LF) biosensors based on a carbon electrode, gold nanoparticles (AuNPs), and electrochemical impedance spectroscopy. The PEP2003 is easily obtained by chemical synthesis, and it can be adsorbed on electrodes while maintaining its ability for AbS recognition, further leading to a sensitivity 3.4-fold higher than the full-length S protein, which is in agreement with the increase in the target-to-receptor size ratio. Peptide-loaded LF devices based on noncovalent immobilization were developed by affording fast and simple analyses, along with a modular functionalization. From studies by molecular docking, the peptide-AbS binding was found to be driven by hydrogen bonds and hydrophobic interactions. Moreover, the peptide is not amenable to denaturation, thus addressing the trade-off between scalability, cost, and robustness. The biosensor preserves 95.1% of the initial signal for 20 days when stored dry at 4 °C. With the aid of two simple equations fitted by machine learning (ML), the method was able to make the COVID-19 screening of 39 biological samples into healthy and infected groups with 100.0% accuracy. By taking advantage of peptide-related merits combined with advances in surface chemistry and ML-aided accuracy, this platform is promising to bring COVID-19 biosensors into mainstream use toward straightforward, fast, and accurate analyses at the point of care, with social and economic impacts being achieved.
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Affiliation(s)
- Ana C. H. Castro
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Ítalo R. S. Bezerra
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Aline M. Pascon
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Gabriela H. da Silva
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
| | - Eric A. Philot
- Center for Mathematics, Computing and Cognition,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Vivian L. de Oliveira
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
- Laboratory of Immunology, Heart Institute,
University of São Paulo, São Paulo, São
Paulo 05508-000, Brazil
| | - Rodrigo S. N. Mancini
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Gabriel R. Schleder
- John A. Paulson School of Engineering and Applied
Sciences, Harvard University, Cambridge, Massachusetts 02138,
United States
| | - Carlos E. Castro
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | | | | | - Eduardo M. Cilli
- Institute of Chemistry, São Paulo
State University, Araraquara, São Paulo 14800-900,
Brazil
| | - Paulo R. S. Sanches
- Institute of Chemistry, São Paulo
State University, Araraquara, São Paulo 14800-900,
Brazil
| | - Murilo Santhiago
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Ives Charlie-Silva
- Institute of Biomedical Sciences,
University of São Paulo, São Paulo, São
Paulo 05508-000, Brazil
| | - Diego S. T. Martinez
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
| | - Ana L. Scott
- Center for Mathematics, Computing and Cognition,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Wendel A. Alves
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
| | - Renato S. Lima
- Brazilian Nanotechnology National Laboratory,
Brazilian Center for Research in Energy and Materials,
Campinas, São Paulo 13083-970, Brazil
- Center for Natural and Human Sciences,
Federal University of ABC, Santo André, São
Paulo 09210-580, Brazil
- Institute of Chemistry, University of
Campinas, Campinas, São Paulo 13083-970,
Brazil
- São Carlos Institute of Chemistry,
University of São Paulo, São Carlos, São
Paulo 09210-580, Brazil
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5
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Moço ACR, Guedes PH, Flauzino JMR, da Silva HS, Vieira JG, Castro ACH, Gomes ÉVR, Tolentino FM, Soares MMCN, Madurro JM, Brito‐Madurro AG. Electrochemical Detection of Zika Virus in Biological Samples: A Step for Diagnosis Point‐of‐care. ELECTROANAL 2019. [DOI: 10.1002/elan.201900068] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Anna C. R. Moço
- Institute of BiotechnologyFederal University of Uberlândia Uberlândia BrazilTel. +55 34 32182203
| | - Pedro H. Guedes
- Institute of BiotechnologyFederal University of Uberlândia Uberlândia BrazilTel. +55 34 32182203
| | - José M. R. Flauzino
- Institute of BiotechnologyFederal University of Uberlândia Uberlândia BrazilTel. +55 34 32182203
| | | | - Jussara G. Vieira
- Institute of BiotechnologyFederal University of Uberlândia Uberlândia BrazilTel. +55 34 32182203
| | - Ana C. H. Castro
- Institute of BiotechnologyFederal University of Uberlândia Uberlândia BrazilTel. +55 34 32182203
| | - Érica V. R. Gomes
- Adolfo Lutz InstituteRegional Laboratory in São José do Rio Preto Brazil
| | | | | | - João M. Madurro
- Institute of ChemistryFederal University of Uberlândia Uberlândia Brazil
| | - Ana G. Brito‐Madurro
- Institute of BiotechnologyFederal University of Uberlândia Uberlândia BrazilTel. +55 34 32182203
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