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Sousa LR, Guinati BGS, Maciel LIL, Baldo TA, Duarte LC, Takeuchi RM, Faria RC, Vaz BG, Paixão TRLC, Coltro WKT. Office paper and laser printing: a versatile and affordable approach for fabricating paper-based analytical devices with multimodal detection capabilities. LAB ON A CHIP 2024; 24:467-479. [PMID: 38126917 DOI: 10.1039/d3lc00840a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Multiple protocols have been reported to fabricate paper-based analytical devices (PADs). However, some of these techniques must be revised because of the instrumentation required. This paper describes a versatile and globally affordable method to fabricate PADs using office paper as a substrate and a laser printing technique to define hydrophobic barriers on paper surfaces. To demonstrate the feasibility of the alternatives proposed in this study, the fabrication of devices for three types of detection commonly associated with using PADs was demonstrated: colorimetric detection, electrochemical detection, and mass spectrometry associated with a paper-spray ionization (PSI-MS) technique. Besides that, an evaluation of the type of paper used and chemical modifications required on the substrate surface are also presented in this report. Overall, the developed protocol was suitable for using office paper as a substrate, and the laser printing technique as an efficient fabrication method when using this substrate is accessible at a resource-limited point-of-need. Target analytes were used as a proof of concept for these detection techniques. Colorimetric detection was carried out for acetaminophen, iron, nitrate, and nitrite with limits of detection of 0.04 μg, 4.5 mg mL-1, 2.7 μmol L-1, and 6.8 μmol L-1, respectively. A limit of detection of 0.048 fg mL-1 was obtained for the electrochemical analysis of prostate-specific antigen. Colorimetric and electrochemical devices revealed satisfactory performance when office paper with a grammage of 90 g m-2 was employed. Methyldopa analysis was also carried out using PSI-MS, which showed a good response in the same paper weight and behavior compared to chromatographic paper.
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Affiliation(s)
- Lucas R Sousa
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
- Laboratorio de Biosensores y Bioanálisis (LABB), Departamento de Química Biológica e IQUIBICEN - CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Pabellón 2, Ciudad Universitaria, Ciudad Autónoma de Buenos Aires, Argentina
| | - Barbara G S Guinati
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
| | - Lanaia I L Maciel
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
| | - Thaisa A Baldo
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
| | - Lucas C Duarte
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
| | - Regina M Takeuchi
- Instituto de Ciências Exatas e Naturais do Pontal, Universidade Federal de Uberlândia, 38304-402, Ituiutaba, MG, Brazil
| | - Ronaldo C Faria
- Departamento de Química, Universidade Federal de São Carlos, 13565-905, São Carlos, SP, Brazil
| | - Boniek G Vaz
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
| | - Thiago R L C Paixão
- Instituto Nacional de Ciência e Tecnologia de Bioanalítica, 13084-971, Campinas, SP, Brazil
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, 05508-900, São Paulo, SP, Brazil
| | - Wendell K T Coltro
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil.
- Instituto Nacional de Ciência e Tecnologia de Bioanalítica, 13084-971, Campinas, SP, Brazil
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Maciel Braga LA, Mota FB. Early cancer diagnosis using lab-on-a-chip devices : A bibliometric and network analysis. COLLNET JOURNAL OF SCIENTOMETRICS AND INFORMATION MANAGEMENT 2021. [DOI: 10.1080/09737766.2021.1949949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Luiza Amara Maciel Braga
- Faculty of Economics, Fluminense Federal University, Prof. Marcos Waldemar de Freitas Reis Street, 24210-200, Brazil,
| | - Fabio Batista Mota
- Center for Strategic Studies, Oswaldo Cruz Foundation, Brasil Avenue 4036, 21040-361, Brazil
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Pospelov AP, Belan VI, Harbuz DO, Vakula VL, Kamarchuk LV, Volkova YV, Kamarchuk GV. Selective detection of complex gas mixtures using point contacts: concept, method and tools. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:1631-1643. [PMID: 33178548 PMCID: PMC7607434 DOI: 10.3762/bjnano.11.146] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 10/09/2020] [Indexed: 05/10/2023]
Abstract
Of all modern nanosensors using the principle of measuring variations in electric conductance, point-contact sensors stand out in having a number of original sensor properties not manifested by their analogues. The nontrivial nature of point-contact sensors is based on the unique properties of Yanson point contacts used as the sensing elements. The quantum properties of Yanson point contacts enable the solution of some of the problems that could not be solved using conventional sensors measuring conductance. In the present paper, we demonstrate this by showing the potential of quantum point-contact sensors to selectively detect components of a gas mixture in real time. To demonstrate the high efficiency of the proposed approach, we analyze the human breath, which is the most complex of the currently known natural gas mixtures with extremely low concentrations of its components. Point-contact sensors allow us to obtain a spectroscopic profile of the mixture. This profile contains information about the complete set of energy interactions occurring in the point contact/breath system when the breath constituents adsorb to and desorb from the surface of the point-contact conduction channel. With this information we can unambiguously characterize the analyzed system, since knowing the energy parameters is key to successfully identifying and modeling the physicochemical properties of various quantum objects. Using the point-contact spectroscopic profile of a complex gas mixture it is possible to get a functional dependence of the concentration of particular breath components on the amplitude of the sensor output signal. To demonstrate the feasibility of the proposed approach, we analyze the point-contact profiles from the breath of several patients and compare them with the concentrations of serotonin and cortisol in the body of each patient. The obtained results demonstrate that the proposed methodology allows one to get an effective calibration function for a non-invasive analysis of the level of serotonin and cortisol in the human body using the point-contact breath test. The present study indicates some necessary prerequisites for the design of fast detection methods using differential sensor analysis in real time, which can be implemented in various areas of science and technology, among which medicine is one of the most important.
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Affiliation(s)
- Alexander P Pospelov
- Department of Physical Chemistry, National Technical University “Kharkiv Polytechnic Institute”, 2 Kyrpychov Str., Kharkiv, 61002, Ukraine
| | - Victor I Belan
- Department of Spectroscopy of Molecular Systems and Nanostructured Materials, B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
| | - Dmytro O Harbuz
- Department of Physical Chemistry, National Technical University “Kharkiv Polytechnic Institute”, 2 Kyrpychov Str., Kharkiv, 61002, Ukraine
- Department of Spectroscopy of Molecular Systems and Nanostructured Materials, B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
| | - Volodymyr L Vakula
- Department of Spectroscopy of Molecular Systems and Nanostructured Materials, B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
| | - Lyudmila V Kamarchuk
- Department of Pediatrics and Rehabilitation, SI “Institute for Children and Adolescents Health Care” of NAMS of Ukraine, 52-A Yuvileinyi Ave., Kharkiv, 61153, Ukraine
- Department of Pediatrics, V. Karazin Kharkiv National University, 4 Svobody Sq., Kharkiv, 61077, Ukraine
| | - Yuliya V Volkova
- Laboratory of Age Endocrinology and Metabolism, SI “Institute for Children and Adolescents Health Care” of NAMS of Ukraine, 52-A Yuvileinyi Ave., Kharkiv, 61153, Ukraine
| | - Gennadii V Kamarchuk
- Department of Spectroscopy of Molecular Systems and Nanostructured Materials, B. Verkin Institute for Low Temperature Physics and Engineering, 47 Nauky Ave., Kharkiv, 61103, Ukraine
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Ibáñez-Redín G, Joshi N, do Nascimento GF, Wilson D, Melendez ME, Carvalho AL, Reis RM, Gonçalves D, Oliveira ON. Determination of p53 biomarker using an electrochemical immunoassay based on layer-by-layer films with NiFe 2O 4 nanoparticles. Mikrochim Acta 2020; 187:619. [PMID: 33083850 DOI: 10.1007/s00604-020-04594-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 10/07/2020] [Indexed: 01/15/2023]
Abstract
A disposable electrochemical immunosensors is presented suitable to detect cancer biomarker p53 using screen-printed carbon electrodes modified with a layer-by-layer (LbL) matrix of carboxylated NiFe2O4 nanoparticles and polyethyleneimine, onto which anti-p53 antibodies were adsorbed. Under optimized conditions, the immunosensors exhibited high surface coverage and high concentration of immobilized antibodies, which allowed for detection of p53 in a wide dynamic range from 1.0 to 10 × 103 pg mL-1, with a limit of detection of 5.0 fg mL-1 at a working potential of 100 mV vs. Ag/AgCl. The immunosensors also exhibited good selectivity with negligible interference upon incubation in complex matrices containing high concentrations of proteins (i.e., fetal bovine serum and cell lysate). The immunosensor performance is among the best reported in the literature for determination of p53, with the additional advantage of being disposable and operating with low-volume solutions.Graphical abstract Schematic representation of immunosensor fabrication depicting the immobilization of specific antibodies against p53 protein onto the surfaces of disposable printed electrodes modified with films of polyethyleneimine and different concentrations of carboxylated magnetic nanoparticles.
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Affiliation(s)
- Gisela Ibáñez-Redín
- São Carlos Institute of Physics, University of São Paulo, SP, 13560-970, São Carlos, Brazil
| | - Nirav Joshi
- São Carlos Institute of Physics, University of São Paulo, SP, 13560-970, São Carlos, Brazil.
| | | | - Deivy Wilson
- São Carlos Institute of Physics, University of São Paulo, SP, 13560-970, São Carlos, Brazil
| | - Matias E Melendez
- Pelé Little Prince Research Institute, Little Prince Complex, PR, 80250-060, Curitiba, Brazil.,Molecular Oncology Research Center, Barretos Cancer Hospital, SP, 14784-400, Barretos, Brazil
| | - André L Carvalho
- Molecular Oncology Research Center, Barretos Cancer Hospital, SP, 14784-400, Barretos, Brazil
| | - Rui Manuel Reis
- Molecular Oncology Research Center, Barretos Cancer Hospital, SP, 14784-400, Barretos, Brazil.,Life and eHealth Sciences Research Institute (ICVS), Medical School, University ofMinho, Braga, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga/ Guimarães, Portugal
| | - Débora Gonçalves
- São Carlos Institute of Physics, University of São Paulo, SP, 13560-970, São Carlos, Brazil
| | - Osvaldo N Oliveira
- São Carlos Institute of Physics, University of São Paulo, SP, 13560-970, São Carlos, Brazil.
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Ariga K. Nanoarchitectonics: bottom-up creation of functional materials and systems. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:450-452. [PMID: 32215232 PMCID: PMC7082705 DOI: 10.3762/bjnano.11.36] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 03/03/2020] [Indexed: 05/03/2023]
Affiliation(s)
- Katsuhiko Ariga
- WPI-MANA, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa 277-8561, Japan
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