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de Faria LV, Villafuerte LM, do Nascimento SFL, de Sá IC, Peixoto DA, Ribeiro RSDA, Nossol E, Lima TDM, Semaan FS, Pacheco WF, Dornellas RM. 3D-printed electrodes using graphite/carbon nitride/polylactic acid composite material: A greener platform for detection of amaranth dye in food samples. Food Chem 2024; 442:138497. [PMID: 38271904 DOI: 10.1016/j.foodchem.2024.138497] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 12/27/2023] [Accepted: 01/16/2024] [Indexed: 01/27/2024]
Abstract
The production of sustainable materials with properties aimed at the additive manufacturing of electrochemical sensors has gained prestige in the scientific scenario. Here, a novel lab-made composite material using graphite (G) and carbon nitride (C3N4) embedded into polylactic acid (PLA) biopolymer is proposed to produce 3D-printed electrodes. PLA offers printability and mechanical stability in this composition, while G and C3N4 provide electrical properties and electrocatalytic sites, respectively. Characterizations by Raman and infrared spectroscopies and Energy Dispersive X-rays indicated that the G/C3N4/PLA composite was successfully obtained, while electron microscopy images revealed non-homogeneous rough surfaces. Better electrochemical properties were achieved when the G/C3N4/PLA proportion (35:5:60) was used. As a proof of concept, amaranth (AMR), a synthetic dye, was selected as an analyte, and a fast method using square wave voltammetry was developed. Utilizing the 3D-printed G/C3N4/PLA electrode, a more comprehensive linear range (0.2 to 4.2 μmol/L), a 5-fold increase in sensitivity (9.83 μmol-1 L μA), and better limits of detection (LOD = 0.06 μmol/L) and quantification (LOQ = 0.18 μmol/L) were achieved compared to the G/PLA electrode. Samples of jelly, popsicles, isotonic drinks, and food flavoring samples were analyzed, and similar results to those obtained by UV-vis spectrometry confirmed the method's reliability. Therefore, the described sensor is a simple, cost-effective alternative for assessing AMR in routine food analysis.
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Affiliation(s)
- Lucas V de Faria
- Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, 24020-141 Niterói-RJ, Brazil.
| | - Luana M Villafuerte
- Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, 24020-141 Niterói-RJ, Brazil
| | - Suéllen F L do Nascimento
- Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, 24020-141 Niterói-RJ, Brazil
| | - Igor C de Sá
- Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, 24020-141 Niterói-RJ, Brazil
| | - Diego A Peixoto
- Instituto de Química, Universidade Federal de Uberlândia, 38408-100 Uberlândia-MG, Brazil
| | - Ruan S de A Ribeiro
- Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, 24020-141 Niterói-RJ, Brazil
| | - Edson Nossol
- Instituto de Química, Universidade Federal de Uberlândia, 38408-100 Uberlândia-MG, Brazil
| | - Thiago de M Lima
- Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, 24020-141 Niterói-RJ, Brazil
| | - Felipe S Semaan
- Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, 24020-141 Niterói-RJ, Brazil
| | - Wagner F Pacheco
- Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, 24020-141 Niterói-RJ, Brazil
| | - Rafael M Dornellas
- Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, 24020-141 Niterói-RJ, Brazil.
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Elmaghraby NA, Hassaan MA, Zien MA, Abedelrhim EM, Ragab S, Yılmaz M, El Nemr A. Fabrication of carbon black nanoparticles from green algae and sugarcane bagasse. Sci Rep 2024; 14:5542. [PMID: 38448468 PMCID: PMC10918183 DOI: 10.1038/s41598-024-56157-4] [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: 09/22/2023] [Accepted: 03/02/2024] [Indexed: 03/08/2024] Open
Abstract
There are several industrial uses for carbon black (CB), an extremely fine powdered form of elemental carbon that is made up of coalesced particle aggregates and almost spherical colloidal particles. Most carbon black is produced from petroleum-derived feedstock, so there is a need to find an alternative method to produce CB, which relies on renewable resources such as algae and agricultural waste. A process involving hydrolysis, carbonization, and pyrolysis of green algae and sugarcane bagasse was developed, as the optimal hydrolysis conditions (16N sulfuric acid, 70 °C, 1 h, 1:30 g/ml GA or SC to sulfuric acid ratio), a hydrolysis ratio of 62% for SC and 85% for GA were achieved. The acidic solution was carbonized using a water bath, and the solid carbon was then further pyrolyzed at 900 °C. The obtained carbon black has a high carbon content of about 90% which is confirmed by EDX, XRD, and XPS analysis. By comparison carbon black from sugar cane bagasse (CBB) and carbon black from green algae Ulva lactuca (CBG) with commercial carbon black (CCB) it showed the same morphology which was confirmed by SEM analysis. The BET data, showed the high specific surface area of prepared CB, which was 605 (m2/g) for CBB and 424 (m2/g) for CBG compared with commercial carbon black (CBB) was 50 (m2/g), also the mean pore diameter of CBB, CBG and CCB indicated that CBB and CBG were rich in micropores, but CCB was rich in mesoporous according to IUPAC classification. This study might have created a technique that can be used to make carbon black from different kinds of biomass.
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Affiliation(s)
- Nehad A Elmaghraby
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, Elanfoushy, Alexandria, Egypt
| | - Mohamed A Hassaan
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, Elanfoushy, Alexandria, Egypt
| | - Mohamed A Zien
- Chemistry Department, Faculty of Science, Damanhur University, Damanhur, Egypt
| | | | - Safaa Ragab
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, Elanfoushy, Alexandria, Egypt
| | - Murat Yılmaz
- Department of Chemistry and Chemical Processing Technologies, Bahçe Vocational School, Osmaniye Korkut Ata University, Osmaniye, 80000, Turkey
| | - Ahmed El Nemr
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, Elanfoushy, Alexandria, Egypt.
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Silva FWL, de Oliveira GB, Archanjo BS, Braz BF, Santelli RE, Ribeiro ES, Cincotto FH. Development of an electrochemical sensor based on ternary oxide SiO 2/Al 2O 3/SnO 2 modified with carbon black for direct determination of clothianidin in environmental and food samples. Anal Methods 2023; 15:3874-3884. [PMID: 37498592 DOI: 10.1039/d3ay00732d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
This study presents the development of an electrochemical sensor, denoted as GCE/CB/SiAlSn, based on the modification of a glassy carbon electrode surface with the ternary oxide SiO2/Al2O3/SnO2 associated with carbon black, for direct determination of the neonicotinoid pesticide clothianidin in different matrices, such as environmental and food samples. Morphological characterization by the scanning electron microscopy technique, electroanalytical analyses using the cyclic voltammetry technique and differential pulse voltammetry are presented which demonstrated that the developed electrochemical platform presents high sensitivity in the electroanalytical clothianidin determination. The linear range studied was from 2.99 × 10-7 to 6.04 × 10-5 mol L-1, with an LOD of 2.47 nmol L-1. This high sensitivity was explained using the synergistic relationship between carbon black and ternary oxide that maximized the electroactive surface area of the GCE/CB/SiAlSn sensor. Interferent studies were performed that showed high selectivity of the sensor to the pesticide in the presence of Ca2+, K+, Na+, and Mg2+ and carbendazim, glyphosate, imidacloprid and thiamethoxam pesticides. The sensor was applied to real samples of tap water and apple juice obtaining recoveries from 91.0% to 103.0%.
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Affiliation(s)
- Francisco Walison Lima Silva
- Department of Analytical Chemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Guilherme Barros de Oliveira
- Department of Analytical Chemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Braulio Soares Archanjo
- National Institute of Metrology, Quality and Technology, Inmetro-Xerém, Duque de Caxias, Brazil
| | - Bernardo Ferreira Braz
- Department of Analytical Chemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Ricardo Erthal Santelli
- Department of Analytical Chemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
- National Institute of Science & Technology of Bioanalytics (INCTBio), Campinas, Brazil
| | - Emerson Schwingel Ribeiro
- Department of Inorganic Chemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Toxicological Assessment and Removal of Micro Pollutants and Radioactives (INCT-DATREM), Institute of Chemistry, UNESP, National Institute of Alternative Technologies for Detection, Araraquara, SP, Brazil
| | - Fernando Henrique Cincotto
- Department of Analytical Chemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
- National Institute of Science & Technology of Bioanalytics (INCTBio), Campinas, Brazil
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Theyagarajan K, Kim YJ. Recent Developments in the Design and Fabrication of Electrochemical Biosensors Using Functional Materials and Molecules. Biosensors (Basel) 2023; 13:bios13040424. [PMID: 37185499 PMCID: PMC10135976 DOI: 10.3390/bios13040424] [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] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 05/17/2023]
Abstract
Electrochemical biosensors are superior technologies that are used to detect or sense biologically and environmentally significant analytes in a laboratory environment, or even in the form of portable handheld or wearable electronics. Recently, imprinted and implantable biosensors are emerging as point-of-care devices, which monitor the target analytes in a continuous environment and alert the intended users to anomalies. The stability and performance of the developed biosensor depend on the nature and properties of the electrode material or the platform on which the biosensor is constructed. Therefore, the biosensor platform plays an integral role in the effectiveness of the developed biosensor. Enormous effort has been dedicated to the rational design of the electrode material and to fabrication strategies for improving the performance of developed biosensors. Every year, in the search for multifarious electrode materials, thousands of new biosensor platforms are reported. Moreover, in order to construct an effectual biosensor, the researcher should familiarize themself with the sensible strategies behind electrode fabrication. Thus, we intend to shed light on various strategies and methodologies utilized in the design and fabrication of electrochemical biosensors that facilitate sensitive and selective detection of significant analytes. Furthermore, this review highlights the advantages of various electrode materials and the correlation between immobilized biomolecules and modified surfaces.
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Affiliation(s)
- K Theyagarajan
- Department of Electronic Engineering, Gachon University, Seongnam 13120, Republic of Korea
| | - Young-Joon Kim
- Department of Electronic Engineering, Gachon University, Seongnam 13120, Republic of Korea
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Silva TA, Lourencao BC, Dias da Silva A, Fatibello-Filho O. An electrochemical sensing platform based on carbon black and chitosan-stabilized platinum nanoparticles. Anal Methods 2023; 15:1077-1086. [PMID: 36752550 DOI: 10.1039/d2ay01964g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The versatility of chitosan (Ch) biopolymer as a metallic nanoparticle stabilizing agent and excellent former of thin films on glassy carbon was explored in this work for the sustainable manufacture of novel electrochemical sensors based on carbon black (CB) and chitosan-stabilized platinum nanoparticles (Ch-PtNPs). Platinum nanoparticles highly stabilized by chitosan were easily synthesized at room temperature and characterized by HR-TEM, UV-vis, and voltammetry. Ch-PtNPs presented an average diameter of 2.7 nm, and typical voltammetric peaks of Pt in sulfuric acid medium were detected for films containing Ch-PtNPs. As a proof of concept, the CB-Ch-PtNP electrode was applied in the determination of hydrogen peroxide (H2O2) and the endocrine disruptor bisphenol A (BPA). Pronounced electrocatalytic activity towards H2O2 reduction was observed in the presence of Ch-PtNPs in the films, guaranteeing the non-enzymatic determination of H2O2 by chronoamperometry, with a limit of detection of 10 μmol L-1. In the determination of BPA by differential pulse adsorptive anodic stripping voltammetry (DPAdASV), under optimal experimental conditions, a wide linear response range and a limit of detection at the nanomolar level (7.9 nmol L-1) were achieved. In addition, excellent repeatabilities of sensor response and sensor fabrication, and accuracy in the analysis of natural water samples were obtained.
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Affiliation(s)
- Tiago Almeida Silva
- Department of Chemistry, Federal University of São Carlos, 13560-970, São Carlos, SP, Brazil.
- Department of Chemistry, Federal University of Viçosa, 36570-900, Viçosa, MG, Brazil
| | - Bruna Claudia Lourencao
- Department of Chemistry, Federal University of São Carlos, 13560-970, São Carlos, SP, Brazil.
- Minas Gerais State University, 38302-192, Ituiutaba, MG, Brazil
| | | | - Orlando Fatibello-Filho
- Department of Chemistry, Federal University of São Carlos, 13560-970, São Carlos, SP, Brazil.
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