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de Faria LV, Macedo AA, Arantes LC, Matias TA, Ramos DLO, Richter EM, Dos Santos WTP, Muñoz RAA. Novel disposable and portable 3D-printed electrochemical apparatus for fast and selective screening of 25E-NBOH in forensic samples. Talanta 2024; 269:125476. [PMID: 38042144 DOI: 10.1016/j.talanta.2023.125476] [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: 09/05/2023] [Revised: 11/20/2023] [Accepted: 11/22/2023] [Indexed: 12/04/2023]
Abstract
The advent of new psychoactive substances (NPS) has caused enormous difficulty for legal control since they are rapidly commercialized, and their chemical structures are routinely altered. In this aspect, derivatives phenethylamines, such as 25E-NBOH, have received great attention in the forensic scenario. Hence, we propose portable and cost-effective (U$ 5.00) 3D-printed devices for the electrochemical screening of 25E-NBOH for the first time. The cell and all electrodes were printed using acrylonitrile butadiene styrene filament (insulating material) and conductive filament (graphite embedded in a polylactic acid matrix), respectively, both by the fused deposition modeling (FDM) 3D printing technique. The electrochemical apparatus enables micro-volume analysis (50-2000 μL), especially important for low sample volumes. A mechanistic route for the electrochemical oxidation of 25E-NBOH is proposed based on cyclic voltammetric data, which showed two oxidation processes around +0.75 V and +1.00 V and a redox pair between +0.2 and -0.2 V (vs. graphite ink pseudo-reference). A fast and sensitive square-wave voltammetry method was developed, which exhibited a linear working range from 0.85 to 5.1 μmoL-1, detection limit of 0.2 μmol L-1, and good intra-electrode precision (n = 10, RSD <5.3 %). Inter-electrode measurements (n = 3, RSD <9.8 %) also attested that the electrode production process is reproducible. Interference tests in the presence of other drugs frequently found in blotting paper indicated high selectivity of the electrochemical method for screening of 25E-NBOH. Screening analysis of blotting paper confirmed the presence of 25E-NBOH in the seized samples. Moreover, a recovery percentage close to 100 % was found for a spiked saliva sample, suggesting the method's usefulness for quantitative purposes aimed at information on recent drug use.
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Affiliation(s)
- Lucas V de Faria
- Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38400-902, Brazil; Department of Analytical Chemistry, Institute of Chemistry, Fluminense Federal University, 24020-141, Niterói, RJ, Brazil.
| | - Anne A Macedo
- Department of Chemistry, Federal University of the Jequitinhonha and Mucuri, Diamantina, MG, 39100-000, Brazil
| | - Luciano C Arantes
- Forensic Chemistry and Physics Laboratory, Institute of Forensic Science, Civil Police of the Brazilian Federal District, Brasília, DF, 70610-907, Brazil
| | - Tiago A Matias
- Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38400-902, Brazil; Chemistry Department, Federal University of Espírito Santo - UFES, 29075-910, Vitória, ES, Brazil
| | - David L O Ramos
- Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38400-902, Brazil
| | - Eduardo M Richter
- Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38400-902, Brazil; National Institute of Science and Technology in Bioanalytics (INCT-Bio), Campinas, SP, Brazil
| | - Wallans T P Dos Santos
- Department of Pharmacy, Federal University of the Jequitinhonha and Mucuri, Diamantina, MG, 39100-000, Brazil
| | - Rodrigo A A Muñoz
- Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38400-902, Brazil; National Institute of Science and Technology in Bioanalytics (INCT-Bio), Campinas, SP, Brazil.
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2
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Crapnell RD, Arantes IVS, Camargo JR, Bernalte E, Whittingham MJ, Janegitz BC, Paixão TRLC, Banks CE. Multi-walled carbon nanotubes/carbon black/rPLA for high-performance conductive additive manufacturing filament and the simultaneous detection of acetaminophen and phenylephrine. Mikrochim Acta 2024; 191:96. [PMID: 38225436 PMCID: PMC10789692 DOI: 10.1007/s00604-023-06175-2] [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: 08/14/2023] [Accepted: 12/26/2023] [Indexed: 01/17/2024]
Abstract
The combination of multi-walled carbon nanotubes (MWCNT) and carbon black (CB) is presented to produce a high-performance electrically conductive recycled additive manufacturing filament. The filament and subsequent additively manufactured electrodes were characterised by TGA, XPS, Raman, and SEM and showed excellent low-temperature flexibility. The MWCNT/CB filament exhibited an improved electrochemical performance compared to an identical in-house produced bespoke filament using only CB. A heterogeneous electrochemical rate constant, [Formula: see text] of 1.71 (± 0.19) × 10-3 cm s-1 was obtained, showing an almost six times improvement over the commonly used commercial conductive CB/PLA. The filament was successfully tested for the simultaneous determination of acetaminophen and phenylephrine, producing linear ranges of 5-60 and 5-200 μM, sensitivities of 0.05 μA μM-1 and 0.14 μA μM-1, and limits of detection of 0.04 μM and 0.38 μM, respectively. A print-at-home device is presented where a removable lid comprised of rPLA can be placed onto a drinking vessel and the working, counter, and reference components made from our bespoke MWCNT/CB filament. The print-at-home device was successfully used to determine both compounds within real pharmaceutical products, with recoveries between 87 and 120% over a range of three real samples. This work paves the way for fabricating new highly conductive filaments using a combination of carbon materials with different morphologies and physicochemical properties and their application to produce additively manufactured electrodes with greatly improved electrochemical performance.
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Affiliation(s)
- Robert D Crapnell
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
| | - Iana V S Arantes
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
- Departmento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, SP, 05508-000, Brazil
| | - Jéssica R Camargo
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
- Laboratory of Sensors, Nanomedicine and Nanostructured Materials, Federal University of São Carlos, Araras, 13600-970, Brazil
| | - Elena Bernalte
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
| | - Matthew J Whittingham
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
| | - Bruno C Janegitz
- Laboratory of Sensors, Nanomedicine and Nanostructured Materials, Federal University of São Carlos, Araras, 13600-970, Brazil
| | - Thiago R L C Paixão
- Departmento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, SP, 05508-000, Brazil
| | - Craig E Banks
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK.
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3
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Kwaczyński K, Szymaniec O, Bobrowska DM, Poltorak L. Solvent-activated 3D-printed electrodes and their electroanalytical potential. Sci Rep 2023; 13:22797. [PMID: 38129451 PMCID: PMC10739953 DOI: 10.1038/s41598-023-49599-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 12/10/2023] [Indexed: 12/23/2023] Open
Abstract
This work is a comprehensive study describing the optimization of the solvent-activated carbon-based 3D printed electrodes. Three different conductive filaments were used for the preparation of 3D-printed electrodes. Electrodes treatment with organic solvents, electrochemical characterization, and finally electroanalytical application was performed in a dedicated polyamide-based cell also created using 3D printing. We have investigated the effect of the used solvent (acetone, dichloromethane, dichloroethane, acetonitrile, and tetrahydrofuran), time of activation (from immersion up to 3600 s), and the type of commercially available filament (three different options were studied, each being a formulation of a polylactic acid and conductive carbon material). We have obtained and analysed a significant amount of collected data which cover the solvent-activated carbon-based electrodes surface wettability, microscopic insights into the surface topography analysed with scanning electron microscopy and atomic force microscopy, and finally voltammetric evaluation of the obtained carbon electrodes electrochemical response. All data are tabulated, discussed, and compared to finally provide the superior activation procedure. The electroanalytical performance of the chosen electrode is discussed based on the voltammetric detection of ferrocenemethanol.
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Affiliation(s)
- Karolina Kwaczyński
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403, Lodz, Poland.
| | - Olga Szymaniec
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403, Lodz, Poland
| | - Diana M Bobrowska
- Faculty of Chemistry, University of Bialystok, Ciolkowskiego 1K, 15-245, Bialystok, Poland
| | - Lukasz Poltorak
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403, Lodz, Poland.
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Wang Z, Ma Q, Zheng P, Xie S, Yao K, Zhang J, Shao B, Jiang H. Generation of broad-spectrum recombinant antibody and construction of colorimetric immunoassay for tropane alkaloids: Recognition mechanism and application. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132247. [PMID: 37597393 DOI: 10.1016/j.jhazmat.2023.132247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 07/27/2023] [Accepted: 08/06/2023] [Indexed: 08/21/2023]
Abstract
Tropane alkaloids (TAs) have emerged as plant toxins, related to poisoning events. The development of stable antibodies is crucial to ensure the effectiveness of immunological methods in quickly and accurately monitoring these alkaloids. In this study, based on hybridoma, the variable region gene of monoclonal antibody (mAb) was amplified, and the recombinant antibody (rAb) gene sequence (VH-Linker-VL) was successfully constructed and expressed in HEK293F. The obtained rAb has kept the same performance as mAb, and the IC50 of 29 TAs ranged from 0.12 to 2642.78 ng/mL. In the recognition mechanism, the docking and dynamics model identified hydrophobic interaction as the most critical force. Substituent will impact recognition by influencing the spatial structure and hydrophobic properties. Then, a colorimetric immunoassay based on rAb was established, five types of water and thirty-nine nectars of honey were tested. The results demonstrated the absence of TAs in environmental water, whereas atropine was detected in more than 13.47% of honey samples at concentrations exceeding 1 μg/kg. The results show a good correlation with UHPLC-MS/MS, suggesting that the immunoassay has excellent screening ability. The data on TAs in honey and water could serve as a foundation for developing relevant policies.
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Affiliation(s)
- Zile Wang
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China
| | - Qiang Ma
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China
| | - Pimiao Zheng
- College of Veterinary Medicine, Shandong Agricultural University, Taian 271018, People's Republic of China
| | - Sanlei Xie
- College of Veterinary Medicine, Southwest University, Chongqing 400715, People's Republic of China
| | - Kai Yao
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, People's Republic of China
| | - Jing Zhang
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, People's Republic of China
| | - Bing Shao
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, People's Republic of China
| | - Haiyang Jiang
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China.
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5
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Matias TA, Ramos DLO, Faria LV, de Siervo A, Richter EM, Muñoz RAA. 3D-printed electrochemical cells with laser engraving: developing portable electroanalytical devices for forensic applications. Mikrochim Acta 2023; 190:297. [PMID: 37460848 DOI: 10.1007/s00604-023-05872-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 06/14/2023] [Indexed: 08/09/2023]
Abstract
A new electrochemical device fabricated by the combination of 3D printing manufacturing and laser-generated graphene sensors is presented. Cell and electrodes were 3D printed by the fused deposition modeling (FDM) technique employing acrylonitrile butadiene styrene filament (insulating material that composes the cell) and conductive filament (lab-made filament based on graphite dispersed into polylactic acid matrix) to obtain reference and auxiliary electrodes. Infrared-laser engraved graphene, also reported as laser-induced graphene (LIG), was produced by laser conversion of a polyimide substrate, which was assembled in the 3D-printed electrochemical cell that enables the analysis of low volumes (50-2000 μL). XPS analysis revealed the formation of nitrogen-doped graphene multilayers that resulted in excellent electrochemical sensing properties toward the detection of atropine (ATR), a substance that was found in beverages to facilitate sexual assault and other criminal acts. Linear range between 5 and 35 μmol L-1, detection limit of 1 μmol L-1, and adequate precision (RSD = 4.7%, n = 10) were achieved using differential-pulse voltammetry. The method was successfully applied to beverage samples with recovery values ranging from 80 to 105%. Interference studies in the presence of species commonly found in beverages confirmed satisfactory selectivity for ATR sensing. The devices proposed are useful portable analytical tools for on-site applications in the forensic scenario.
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Affiliation(s)
- Tiago A Matias
- Center for Research on Electroanalysis, Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil.
| | - David L O Ramos
- Center for Research on Electroanalysis, Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil
| | - Lucas V Faria
- Center for Research on Electroanalysis, Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil
| | - Abner de Siervo
- Institute of Physics Gleb Wataghin, Applied Physics Department, State University of Campinas, Campinas, SP, 13083-859, Brazil
| | - Eduardo M Richter
- Center for Research on Electroanalysis, Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil
| | - Rodrigo A A Muñoz
- Center for Research on Electroanalysis, Institute of Chemistry, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil.
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6
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Ameen F, Hamidian Y, Mostafazadeh R, Darabi R, Erk N, Islam MA, Orfali R. A novel atropine electrochemical sensor based on silver nano particle-coated Spirulina platensis multicellular blue-green microalga. CHEMOSPHERE 2023; 324:138180. [PMID: 36812993 DOI: 10.1016/j.chemosphere.2023.138180] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 01/30/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
In this work, Atropine as the anticholinergic drug was measured using the environmentally friendly sensor. In this regard, Self-cultivated Spirulina platensis with electroless silver was employed as a powder amplifier in carbon paste electrode modification. Also, 1-Hexyl-3 methylimidazolium Hexafluorophosphate (HMIM PF6) ion liquid as a conductor binder was used in the suggested electrode construction. Atropine determination was investigated by voltammetry methods. According to voltammograms, the electrochemical behavior of atropine depends on pH, and pH 10.0 was used as the optimal condition. Moreover, the diffusion control process for the electro-oxidation of atropine was verified by the scan rate study, so the diffusion coefficient (D∼ 3.0136×10-4cm2/sec) value was computed from the chronoamperometry study. Furthermore, responses of the fabricated sensor were linear in the concentration range from 0.01 to 800 μM, and the lowest detection limit of the Atropine determination was obtained at 5 nM. Moreover, the stability, reproducibility, and selectivity factors of the suggested sensor were confirmed by the results. Finally, the recovery percentages for atropine sulfate ampoule (94.48-101.58), and water (98.01-101.3) approve of the applicability of the proposed sensor to Atropine determination in real samples.
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Affiliation(s)
- Fuad Ameen
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
| | - Yasamin Hamidian
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, 06560, Ankara, Turkey
| | - Reza Mostafazadeh
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, 06560, Ankara, Turkey.
| | - Rozhin Darabi
- School of Resources and Environment, University of Electronic Science and Technology of China, 611731, Xiyuan Ave, Chengdu, PR China.
| | - Nevin Erk
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, 06560, Ankara, Turkey.
| | - M Amirul Islam
- Laboratory for Quantum Semiconductors and Photon-based BioNanotechnology, Department of Electrical and Computer Engineering, Faculty of Engineering, Universit'e de Sherbrooke, Sherbrooke, Qu'ebec, J1K 2R1, Canada
| | - Raha Orfali
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
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7
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Xu Y, Zhang Z, Wang Y. Selective Electrochemical Detection of Fangchinoline at ErGO-modified Glassy Carbon Electrode. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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8
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Wan M, Jimu A, Yang H, Zhou J, Dai X, Zheng Y, Ou J, Yang Y, Liu J, Wang L. MXene quantum dots enhanced 3D-printed electrochemical sensor for the highly sensitive detection of dopamine. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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9
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de Faria LV, Rocha RG, Arantes LC, Ramos DL, Lima CD, Richter EM, P dos Santos WT, Muñoz RA. Cyclic square-wave voltammetric discrimination of the amphetamine-type stimulants MDA and MDMA in real-world forensic samples by 3D-printed carbon electrodes. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Saggiomo V. A 3D Printer in the Lab: Not Only a Toy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2202610. [PMID: 35831252 PMCID: PMC9507339 DOI: 10.1002/advs.202202610] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/01/2022] [Indexed: 06/15/2023]
Abstract
Although 3D printers are becoming more common in households, they are still under-represented in many laboratories worldwide and regarded as toys rather than as laboratory equipment. This short review wants to change this conservative point of view. This mini-review focuses on fused deposition modeling printers and what happens after acquiring your first 3D printer. In short, these printers melt plastic filament and deposit it layer by layer to create the final object. They are getting cheaper and easier to use, and nowadays it is not difficult to find good 3D printers for less than €500. At such a price, a 3D printer is one, if not the most, versatile piece of equipment you can have in a laboratory.
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Affiliation(s)
- Vittorio Saggiomo
- Department of BioNanoTechnologyWageningen UniversityBornse Weilanden 9Wageningen6708WGThe Netherlands
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11
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Additively manufactured electrodes for the electrochemical detection of hydroxychloroquine. Talanta 2022; 250:123727. [PMID: 35850056 PMCID: PMC9262657 DOI: 10.1016/j.talanta.2022.123727] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/27/2022] [Accepted: 07/04/2022] [Indexed: 11/21/2022]
Abstract
Although studies have demonstrated the inactivity of hydroxychloroquine (HCQ) towards SARS-CoV-2, this compound was one of the most prescribed by medical organizations for the treatment of hospitalized patients during the coronavirus pandemic. As a result of it, HCQ has been considered as a potential emerging contaminant in aquatic environments. In this context, we propose a complete electrochemical device comprising cell and working electrode fabricated by the additive manufacture (3D-printing) technology for HCQ monitoring. For this, a 3D-printed working electrode made of a conductive PLA containing carbon black assembled in a 3D-printed cell was associated with square wave voltammetry (SWV) for the fast and sensitive determination of HCQ. After a simple surface activation procedure, the proposed 3D-printed sensor showed a linear response towards HCQ detection (0.4-7.5 μmol L-1) with a limit of detection of 0.04 μmol L-1 and precision of 2.4% (n = 10). The applicability of this device was shown to the analysis of pharmaceutical and water samples. Recovery values between 99 and 112% were achieved for tap water samples and, in addition, the obtained concentration values for pharmaceutical tablets agreed with the values obtained by spectrophotometry (UV region) at a 95% confidence level. The proposed device combined with portable instrumentation is promising for on-site HCQ detection.
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12
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Poulladofonou G, Freris C, Economou A, Kokkinos C. Wearable Electronic Finger for Date Rape Drugs Screening: From "Do-It-Yourself" Fabrication to Self-Testing. Anal Chem 2022; 94:4087-4094. [PMID: 35195989 DOI: 10.1021/acs.analchem.2c00015] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In-house digital fabrication of low-cost sensors that can on-site and rapidly detect adulteration of alcoholic beverages with sedation drugs (known as date rape drugs, (DRDs)) and analgesics is of great importance for everyday consumers and supervisory authorities. DRDs and analgesics are administrated in spirits for "drug-facilitated sexual assault" crimes and for the reduction of the following day hangover caused by low-quality spirits, respectively. This work describes, a novel "do-it-yourself" wearable 3D printed electrochemical finger (e-finger), which enables direct, rapid, and multianalyte self-testing of the main DRDs (flunitrazepam, scopolamine, ketamine) and paracetamol via direct immersing into a spirit shot. The oxygen interference on flunitrazepam detection was alleviated by dissolving an effervescent tablet of vitamin C in the spirit shot, as ascorbic acid serves as a scavenger for dissolved oxygen. The e-finger can be printed in-house at any size by anyone with access to a low-cost domestic 3D printer using a simple, fast, and low-cost printing procedure. The e-finger is addressed by a smartphone-based miniature potentiostat and allows on-the-spot self-checking of the quality and safety of alcoholic spirits, via a single calibration-free voltammetric measurement, readily performed even by untrained end users. The e-finger is a new powerful screening tool in the hands of supervisory authorities to conduct on-site forensic investigations. More importantly, it paves the way toward in-house e-production of "ready-to-use" reliable self-testing devices.
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Affiliation(s)
- Georgia Poulladofonou
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Athens 157 71, Greece
| | - Christiforos Freris
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Athens 157 71, Greece
| | - Anastasios Economou
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Athens 157 71, Greece
| | - Christos Kokkinos
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Athens 157 71, Greece
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13
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14
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Rocha DP, Rocha RG, Castro SVF, Trindade MAG, Munoz RAA, Richter EM, Angnes L. Posttreatment of 3D‐printed surfaces for electrochemical applications: A critical review on proposed protocols. ELECTROCHEMICAL SCIENCE ADVANCES 2021. [DOI: 10.1002/elsa.202100136] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Affiliation(s)
- Diego P. Rocha
- Instituto de Química Universidade de São Paulo Sao Paulo Brazil
| | - Raquel G. Rocha
- Instituto de Química Universidade Federal de Uberlândia berlândia Brazil
| | | | - Magno A. G. Trindade
- Faculdade de Ciências Exatas e Tecnologia Universidade Federal da Grande Dourados Dourados Brazil
- UNESP Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT‐DATREM) National Institute for Alternative Technologies of Detection Institute of Chemistry Araraquara Brazil
| | | | - Eduardo M. Richter
- Instituto de Química Universidade Federal de Uberlândia berlândia Brazil
| | - Lucio Angnes
- Instituto de Química Universidade de São Paulo Sao Paulo Brazil
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15
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Fully Integrated 3D-Printed Electronic Device for the On-Field Determination of Antipsychotic Drug Quetiapine. SENSORS 2021; 21:s21144753. [PMID: 34300495 PMCID: PMC8309692 DOI: 10.3390/s21144753] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 12/12/2022]
Abstract
In this work, we developed a novel all-3D-printed device for the simple determination of quetiapine fumarate (QF) via voltammetric mode. The device was printed through a one-step process by a dual-extruder 3D printer and it features three thermoplastic electrodes (printed from a carbon black-loaded polylactic acid (PLA)) and an electrode holder printed from a non-conductive PLA filament. The integrated 3D-printed device can be printed on-field and it qualifies as a ready-to-use sensor, since it does not require any post-treatment (i.e., modification or activation) before use. The electrochemical parameters, which affect the performance of the sensor in QF determination, were optimized and, under the selected conditions, the quantification of QF was carried out in the concentration range of 5 × 10−7–80 × 10−7 mol × L−1. The limit of detection was 2 × 10−9 mol × L−1, which is lower than that of existing electrochemical QF sensors. The within-device and between-device reproducibility was 4.3% and 6.2% (at 50 × 10−7 mol × L−1 QF level), respectively, demonstrating the satisfactory operational and fabrication reproducibility of the device. Finally, the device was successfully applied for the determination of QF in pharmaceutical tablets and in human urine, justifying its suitability for routine and on-site analysis.
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