Jeovana C. Pacheco, Scarllett L. Lima, Liying Liu, Alan S. de Menezes, Marco A. S. Garcia, Flávio S. Damos, Rita C. S. Luz
{"title":"无稳定剂制备结合铜的钛基纳米线,用于灵敏检测 2,4,5-三羟基苯甲酸:在食用油样品中的应用","authors":"Jeovana C. Pacheco, Scarllett L. Lima, Liying Liu, Alan S. de Menezes, Marco A. S. Garcia, Flávio S. Damos, Rita C. S. Luz","doi":"10.1007/s10008-024-06046-7","DOIUrl":null,"url":null,"abstract":"<p>2,4,5-Trihydroxybenzoic acid (THBA) is a synthetic antioxidant used in the food industry that has attracted attention due to the potential risks it may pose to human health; thus, ensuring compliance with legal standards is essential. In this regard, the present study describes the development of an electrochemical platform based on a carbon-printed electrode (SPE) modified with titanium (Ti)-based nanowires (NWs) for THBA detection. However, the synthesis of Ti-based NWs involved varying copper (Cu) quantities, resulting in few morphological changes compared to the unmodified counterpart. Interestingly, the syntheses were carried out without organic stabilizers, resulting in the preparation of cleaner nanostructures; such an approach was planned to enhance the electrochemical sensing performance, reduce costs, and promote environmental friendliness. Moreover, it improves charge transfer efficiency, making the synthesis process ideal for sustainable nanomaterial production. XRD analyses indicate that the addition of the metal affected the structure of the Ti-based NWs. Also, SEM images revealed that the unmodified SPE exhibited a smooth surface, whereas the Cu-modified Ti-based NWs/SPE showed a dense network of such material. In addition, the electrochemical studies have shown an enhancing of the electrocatalytic properties after the introduction of copper. Under optimized conditions, it was found that THBA can be determined over a wide working range from 500 pmol L<sup>−1</sup> to 5000 µmol L<sup>−1</sup>. The applicability of the sensor was verified by detecting THBA in soybean oil and sunflower oil samples, showing excellent recovery values between 96.30 and 101.87%, suggesting that the proposed sensor demonstrates good accuracy and can be successfully applied to edible oil samples.</p>","PeriodicalId":665,"journal":{"name":"Journal of Solid State Electrochemistry","volume":null,"pages":null},"PeriodicalIF":2.6000,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Stabilizer-free preparation of titanium-based nanowires combined with copper for sensitive detection of 2,4,5-trihydroxybenzoic acid: application in edible oil samples\",\"authors\":\"Jeovana C. Pacheco, Scarllett L. Lima, Liying Liu, Alan S. de Menezes, Marco A. S. Garcia, Flávio S. Damos, Rita C. S. Luz\",\"doi\":\"10.1007/s10008-024-06046-7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>2,4,5-Trihydroxybenzoic acid (THBA) is a synthetic antioxidant used in the food industry that has attracted attention due to the potential risks it may pose to human health; thus, ensuring compliance with legal standards is essential. In this regard, the present study describes the development of an electrochemical platform based on a carbon-printed electrode (SPE) modified with titanium (Ti)-based nanowires (NWs) for THBA detection. However, the synthesis of Ti-based NWs involved varying copper (Cu) quantities, resulting in few morphological changes compared to the unmodified counterpart. Interestingly, the syntheses were carried out without organic stabilizers, resulting in the preparation of cleaner nanostructures; such an approach was planned to enhance the electrochemical sensing performance, reduce costs, and promote environmental friendliness. Moreover, it improves charge transfer efficiency, making the synthesis process ideal for sustainable nanomaterial production. XRD analyses indicate that the addition of the metal affected the structure of the Ti-based NWs. Also, SEM images revealed that the unmodified SPE exhibited a smooth surface, whereas the Cu-modified Ti-based NWs/SPE showed a dense network of such material. In addition, the electrochemical studies have shown an enhancing of the electrocatalytic properties after the introduction of copper. Under optimized conditions, it was found that THBA can be determined over a wide working range from 500 pmol L<sup>−1</sup> to 5000 µmol L<sup>−1</sup>. 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Stabilizer-free preparation of titanium-based nanowires combined with copper for sensitive detection of 2,4,5-trihydroxybenzoic acid: application in edible oil samples
2,4,5-Trihydroxybenzoic acid (THBA) is a synthetic antioxidant used in the food industry that has attracted attention due to the potential risks it may pose to human health; thus, ensuring compliance with legal standards is essential. In this regard, the present study describes the development of an electrochemical platform based on a carbon-printed electrode (SPE) modified with titanium (Ti)-based nanowires (NWs) for THBA detection. However, the synthesis of Ti-based NWs involved varying copper (Cu) quantities, resulting in few morphological changes compared to the unmodified counterpart. Interestingly, the syntheses were carried out without organic stabilizers, resulting in the preparation of cleaner nanostructures; such an approach was planned to enhance the electrochemical sensing performance, reduce costs, and promote environmental friendliness. Moreover, it improves charge transfer efficiency, making the synthesis process ideal for sustainable nanomaterial production. XRD analyses indicate that the addition of the metal affected the structure of the Ti-based NWs. Also, SEM images revealed that the unmodified SPE exhibited a smooth surface, whereas the Cu-modified Ti-based NWs/SPE showed a dense network of such material. In addition, the electrochemical studies have shown an enhancing of the electrocatalytic properties after the introduction of copper. Under optimized conditions, it was found that THBA can be determined over a wide working range from 500 pmol L−1 to 5000 µmol L−1. The applicability of the sensor was verified by detecting THBA in soybean oil and sunflower oil samples, showing excellent recovery values between 96.30 and 101.87%, suggesting that the proposed sensor demonstrates good accuracy and can be successfully applied to edible oil samples.
期刊介绍:
The Journal of Solid State Electrochemistry is devoted to all aspects of solid-state chemistry and solid-state physics in electrochemistry.
The Journal of Solid State Electrochemistry publishes papers on all aspects of electrochemistry of solid compounds, including experimental and theoretical, basic and applied work. It equally publishes papers on the thermodynamics and kinetics of electrochemical reactions if at least one actively participating phase is solid. Also of interest are articles on the transport of ions and electrons in solids whenever these processes are relevant to electrochemical reactions and on the use of solid-state electrochemical reactions in the analysis of solids and their surfaces.
The journal covers solid-state electrochemistry and focusses on the following fields: mechanisms of solid-state electrochemical reactions, semiconductor electrochemistry, electrochemical batteries, accumulators and fuel cells, electrochemical mineral leaching, galvanic metal plating, electrochemical potential memory devices, solid-state electrochemical sensors, ion and electron transport in solid materials and polymers, electrocatalysis, photoelectrochemistry, corrosion of solid materials, solid-state electroanalysis, electrochemical machining of materials, electrochromism and electrochromic devices, new electrochemical solid-state synthesis.
The Journal of Solid State Electrochemistry makes the professional in research and industry aware of this swift progress and its importance for future developments and success in the above-mentioned fields.