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Barraza DE, Nanni PI, Bracamonte ME, Chaile RE, Goy CB, Acuña L, Marco JD, Madrid RE. Simple and promising paper-based electrochemical platform for serological detection of American tegumentary leishmaniasis. Mem Inst Oswaldo Cruz 2024; 119:e230149. [PMID: 38359306 PMCID: PMC10868376 DOI: 10.1590/0074-02760230149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/24/2024] [Indexed: 02/17/2024] Open
Abstract
BACKGROUND American tegumentary leishmaniasis (ATL) is an endemic neglected tropical disease (NTD), its conventional treatment is toxic, slow, and invasive. Rapid diagnosis is crucial for the clinical management of suspected patients, so the development and use of low-cost, miniaturised and portable devices could be the key. OBJECTIVES This work aimed to develop a simple paper-based electrochemical platform for the serological detection of ATL. METHODS Platform was fabricated in Whatman N°1 paper, contains a hydrophobic zone generated by wax printing, two pencil graphite electrodes, and uses specific crude extracts (CA) antigens for ATL immuno-determination. The platform performance was analysed by measuring the relative impedance change for different antigen-antibody combinations. Then, 10 serum human samples previously diagnosed by the gold standard (five positive ATL cases and five non-ATL cases) were evaluated. FINDINGS The platform presented a linear response for the charge transfer resistance (ΔRct) and the interface reactance (ΔXc). Also, optimal working conditions were established (1/60 serum dilution and 180 µg/mL CA concentration). Then, the platform permits to distinguish between ATL and non-ATL (p < 0.05) human serum samples. MAIN CONCLUSIONS Our platform could allow the diagnosis, management, and monitoring of leishmaniasis while being an extremely simple and environmentally friendly technology.
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Affiliation(s)
- Daniela E Barraza
- Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Tucumán, Facultad de Ciencias Exactas y Tecnología, Instituto Superior de Investigaciones Biológicas, Laboratorio de Medios e Interfases, Tucumán, Argentina
| | - Paula I Nanni
- Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Tucumán, Facultad de Ciencias Exactas y Tecnología, Instituto Superior de Investigaciones Biológicas, Laboratorio de Medios e Interfases, Tucumán, Argentina
| | - María E Bracamonte
- Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Salta, Facultad de Ciencias de la Salud, Instituto de Patología Experimental, Salta, Argentina
| | - Roberto E Chaile
- Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Tucumán, Facultad de Ciencias Exactas y Tecnología, Instituto Superior de Investigaciones Biológicas, Laboratorio de Medios e Interfases, Tucumán, Argentina
| | - Carla B Goy
- Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Tucumán, Facultad de Ciencias Exactas y Tecnología, Instituto Superior de Investigaciones Biológicas, Laboratorio de Medios e Interfases, Tucumán, Argentina
| | - Leonardo Acuña
- Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Salta, Facultad de Ciencias de la Salud, Instituto de Patología Experimental, Salta, Argentina
| | - Jorge D Marco
- Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Salta, Facultad de Ciencias de la Salud, Instituto de Patología Experimental, Salta, Argentina
| | - Rossana E Madrid
- Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de Tucumán, Facultad de Ciencias Exactas y Tecnología, Instituto Superior de Investigaciones Biológicas, Laboratorio de Medios e Interfases, Tucumán, Argentina
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Navarro-Nateras L, Diaz-Gonzalez J, Aguas-Chantes D, Coria-Oriundo LL, Battaglini F, Ventura-Gallegos JL, Zentella-Dehesa A, Oza G, Arriaga LG, Casanova-Moreno JR. Development of a Redox-Polymer-Based Electrochemical Glucose Biosensor Suitable for Integration in Microfluidic 3D Cell Culture Systems. BIOSENSORS 2023; 13:582. [PMID: 37366947 DOI: 10.3390/bios13060582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/23/2023] [Accepted: 05/23/2023] [Indexed: 06/28/2023]
Abstract
The inclusion of online, in situ biosensors in microfluidic cell cultures is important to monitor and characterize a physiologically mimicking environment. This work presents the performance of second-generation electrochemical enzymatic biosensors to detect glucose in cell culture media. Glutaraldehyde and ethylene glycol diglycidyl ether (EGDGE) were tested as cross-linkers to immobilize glucose oxidase and an osmium-modified redox polymer on the surface of carbon electrodes. Tests employing screen printed electrodes showed adequate performance in a Roswell Park Memorial Institute (RPMI-1640) media spiked with fetal bovine serum (FBS). Comparable first-generation sensors were shown to be heavily affected by complex biological media. This difference is explained in terms of the respective charge transfer mechanisms. Under the tested conditions, electron hopping between Os redox centers was less vulnerable than H2O2 diffusion to biofouling by the substances present in the cell culture matrix. By employing pencil leads as electrodes, the incorporation of these electrodes in a polydimethylsiloxane (PDMS) microfluidic channel was achieved simply and at a low cost. Under flow conditions, electrodes fabricated using EGDGE presented the best performance with a limit of detection of 0.5 mM, a linear range up to 10 mM, and a sensitivity of 4.69 μA mM-1 cm-2.
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Affiliation(s)
- L Navarro-Nateras
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica, Pedro Escobedo 76703, Querétaro, Mexico
| | - Jancarlo Diaz-Gonzalez
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica, Pedro Escobedo 76703, Querétaro, Mexico
| | - Diana Aguas-Chantes
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica, Pedro Escobedo 76703, Querétaro, Mexico
| | - Lucy L Coria-Oriundo
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía, CONICET-Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires C1428EGA, Argentina
| | - Fernando Battaglini
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía, CONICET-Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires C1428EGA, Argentina
| | - José Luis Ventura-Gallegos
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
| | - Alejandro Zentella-Dehesa
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
- Unidad de Bioquímica, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México 14080, Mexico
| | - Goldie Oza
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica, Pedro Escobedo 76703, Querétaro, Mexico
| | - L G Arriaga
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica, Pedro Escobedo 76703, Querétaro, Mexico
| | - Jannu R Casanova-Moreno
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica, Pedro Escobedo 76703, Querétaro, Mexico
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Liu C, Chen D, Zhu C, Liu X, Wang Y, Lu Y, Zheng D, Fu B. Fabrication of a Disposable Amperometric Sensor for the Determination of Nitrite in Food. MICROMACHINES 2023; 14:687. [PMID: 36985095 PMCID: PMC10056392 DOI: 10.3390/mi14030687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 06/18/2023]
Abstract
Silver nanoparticles (AgNPs) were synthesized through an environmentally friendly method with tea extract as a reduction agent. By immobilizing them on the surface of a low-cost pencil graphite electrode (PGE) with the aid of a simple and well-controlled in-situ electropolymerization method, a novel nanosensing interface for nitrite was constructed. The film-modified PGE showed good electrocatalytic effects on the oxidation of nitrite and was characterized through scanning electron microscopy, X-ray photoelectron spectroscopy, and electrochemical techniques. Characterization results clearly show that the successful modification of AgNPs improved the surface area and conductivity of PGEs, which is beneficial to the high sensitivity and short response time of the nitrite sensor. Under the optimal detection conditions, the oxidation peak current of nitrite had a good linear relationship with its concentration in the range of 0.02-1160 μmol/L with a detection limit of 4 nmol/L and a response time of 2 s. Moreover, the sensor had high sensitivity, a wide linear range, a good anti-interference capability, and stability and reproducibility. Additionally, it can be used for the determination of nitrite in food.
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Affiliation(s)
- Chao Liu
- College of Biomedical Engineering, South-Central Minzu University, Wuhan 430074, China
- Hubei Key Laboratory of Medical Information Analysis & Tumor Diagnosis and Treatment, Wuhan 430074, China
- Key Laboratory of Cognitive Science, State Ethnic Affairs Commission, Wuhan 430074, China
| | - Daoming Chen
- College of Biomedical Engineering, South-Central Minzu University, Wuhan 430074, China
- Hubei Key Laboratory of Medical Information Analysis & Tumor Diagnosis and Treatment, Wuhan 430074, China
- Key Laboratory of Cognitive Science, State Ethnic Affairs Commission, Wuhan 430074, China
| | - Chunnan Zhu
- College of Biomedical Engineering, South-Central Minzu University, Wuhan 430074, China
- Hubei Key Laboratory of Medical Information Analysis & Tumor Diagnosis and Treatment, Wuhan 430074, China
- Key Laboratory of Cognitive Science, State Ethnic Affairs Commission, Wuhan 430074, China
| | - Xiaojun Liu
- College of Biomedical Engineering, South-Central Minzu University, Wuhan 430074, China
- Hubei Key Laboratory of Medical Information Analysis & Tumor Diagnosis and Treatment, Wuhan 430074, China
- Key Laboratory of Cognitive Science, State Ethnic Affairs Commission, Wuhan 430074, China
| | - Yu Wang
- Wuhan Institute for Food and Cosmetic Control, Wuhan 430040, China
- Key Laboratory of Edible Oil Quality and Safety for State Market Regulation, Wuhan 430040, China
| | - Yuepeng Lu
- Wuhan Institute for Food and Cosmetic Control, Wuhan 430040, China
- Key Laboratory of Edible Oil Quality and Safety for State Market Regulation, Wuhan 430040, China
| | - Dongyun Zheng
- College of Biomedical Engineering, South-Central Minzu University, Wuhan 430074, China
- Hubei Key Laboratory of Medical Information Analysis & Tumor Diagnosis and Treatment, Wuhan 430074, China
- Key Laboratory of Cognitive Science, State Ethnic Affairs Commission, Wuhan 430074, China
| | - Baorong Fu
- Wuhan Great Sea Hi-Tech Co., Ltd., Wuhan 430223, China
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Yin J, Zhang J, Feng L, Guan Y, Gao W, Jin Q. Free chlorine ultra-sensitive detection in tap water via an enrichment-sensing process by an interdigitated microelectrode sensor. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Zubiarrain-Laserna A, Angizi S, Akbar MA, Divigalpitiya R, Selvaganapathy PR, Kruse P. Detection of free chlorine in water using graphene-like carbon based chemiresistive sensors. RSC Adv 2022; 12:2485-2496. [PMID: 35425275 PMCID: PMC8979178 DOI: 10.1039/d1ra08264g] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/12/2022] [Indexed: 01/02/2023] Open
Abstract
Free chlorine is the most commonly used water disinfectant. Measuring its concentration during and after water treatment is crucial to ensure its effectiveness. However, many of the existing methods do not allow for continuous on-line monitoring. Here we demonstrate a solid state chemiresistive sensor using graphene-like carbon (GLC) that overcomes that issue. GLC films that were either bare or non-covalently functionalized with the redox-active phenyl-capped aniline tetramer (PCAT) were successfully employed to quantify aqueous free chlorine, although functionalized devices showed better performance. The response of the sensors to increasing concentrations of free chlorine followed a Langmuir adsorption isotherm in the two tested ranges: 0.01–0.2 ppm and 0.2–1.4 ppm. The limit of detection was estimated to be 1 ppb, permitting the detection of breaches in chlorine filters. The devices respond to decreasing levels of free chlorine without the need for a reset, allowing for the continuous monitoring of fluctuations in the concentration. The maximum sensor response and saturation concentration were found to depend on the thickness of the GLC film. Hence, the sensitivity and dynamic range of the sensors can be tailored to different applications by adjusting the thickness of the films. Tap water samples from a residential area were tested using these sensors, which showed good agreement with standard colorimetric measurement methods. The devices did not suffer from interferences in the presence of ions commonly found in drinking water. Overall, these sensors are a cost-effective option for the continuous automated monitoring of free chlorine in drinking water. Chemiresistive sensors based on graphene-like carbon films are very stable and sensitive. They can be used for continuous online monitoring of free chlorine.![]()
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Affiliation(s)
- Ana Zubiarrain-Laserna
- Department of Chemistry and Chemical Biology, McMaster University 1280 Main Street West Hamilton Ontario L8S 4M1 Canada
| | - Shayan Angizi
- Department of Chemistry and Chemical Biology, McMaster University 1280 Main Street West Hamilton Ontario L8S 4M1 Canada
| | - Md Ali Akbar
- Department of Chemistry and Chemical Biology, McMaster University 1280 Main Street West Hamilton Ontario L8S 4M1 Canada
| | | | | | - Peter Kruse
- Department of Chemistry and Chemical Biology, McMaster University 1280 Main Street West Hamilton Ontario L8S 4M1 Canada
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Siddiqui J, Jamal Deen M. Biodegradable asparagine–graphene oxide free chlorine sensors fabricated using solution-based processing. Analyst 2022; 147:3643-3651. [DOI: 10.1039/d2an00533f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A free chlorine-sensing biodegradable ink was made by functionalizing asparagine onto graphene oxide then deposited on an electrode. The sensor showed a sensitivity of 0.30 μA ppm−1, selectivity amid interfering ions, and low temperature dependence.
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Affiliation(s)
- Junaid Siddiqui
- Electrical and Computer Engineering (ECE) Department, McMaster University, 1280 Main Street W, Hamilton, Ontario L8S 4K1, Canada
| | - M. Jamal Deen
- Electrical and Computer Engineering (ECE) Department, McMaster University, 1280 Main Street W, Hamilton, Ontario L8S 4K1, Canada
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