1
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Liu K, Luo B, Zhang L, Hou P, Pan D, Liu T, Zhao C, Li A. Flexible and wearable sensor for in situ monitoring of gallic acid in plant leaves. Food Chem 2024; 460:140740. [PMID: 39126955 DOI: 10.1016/j.foodchem.2024.140740] [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: 03/27/2024] [Revised: 07/12/2024] [Accepted: 07/31/2024] [Indexed: 08/12/2024]
Abstract
Gallic acid (GA) is one of the main phenolic components naturally occurring in many plants and foods and has been a subject of increasing interest owing to its antioxidant and anti-mutagenic properties. This study introduces a novel flexible sensor designed for in situ detecting GA in plant leaves. The sensor employs a laser-induced graphene (LIG) flexible electrode, enhanced with MXene and molybdenum disulfide (MoS2) nanosheets. The MXene/MoS2/LIG flexible sensor not only demonstrates exceptional mechanical properties, covering a wide detection range of 1-1000 μM for GA, but also exhibits remarkable selectivity and stability. The as-prepared sensor was successfully applied to in situ determination of GA content in strawberry leaves under salt stress. This innovative sensor opens an attractive avenue for in situ measurement of metabolites in plant bodies with flexible electronics.
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Affiliation(s)
- Ke Liu
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; College of Information and Electrical Engineering, Shenyang Agricultural University, Shenyang 110866, China
| | - Bin Luo
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Le Zhang
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Peichen Hou
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Dayu Pan
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Tianyang Liu
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Chunjiang Zhao
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; College of Information and Electrical Engineering, Shenyang Agricultural University, Shenyang 110866, China.
| | - Aixue Li
- Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
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2
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Devu C, Sreelakshmi S, Chandana R, Sivanand P, Santhy A, Lakshmi KCS, Rejithamol R. Recent progress in tannin and lignin blended metal oxides and metal sulfides as smart materials for electrochemical sensor applications. ANAL SCI 2024; 40:981-996. [PMID: 38517582 DOI: 10.1007/s44211-024-00544-4] [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: 11/27/2023] [Accepted: 02/24/2024] [Indexed: 03/24/2024]
Abstract
Our technologically advanced civilization has made sensors an essential component. They have potential uses in the pharmaceutical sector, clinical analysis, food quality control, environmental monitoring, and other areas. One of the most active fields of analytical chemistry research is the fabrication of electrochemical sensors. An intriguing area of electroanalytical chemistry is the modification of electrodes using polymeric films. Due to their benefits, which include high adhesion to the electrode surface, chemical stability of the coating, superior selectivity, sensitivity, and homogeneity in electrochemical deposition, polymer-modified electrodes have attracted a great deal of interest in the electroanalytical sector. Conducting polymers are an important material for sensing devices because of their fascinating features, which include high mechanical flexibility, electrical conductivity, and the capacity to be electrochemically converted between electronically insulating and conducting states. Tannin or lignin nanomaterials can be an inter-linker leading to flexible and functional polymeric networks. There is a continuing demand for fast and simple analytical methods for the determination of many clinically important biomarkers, food additives, environmental pollutants etc. This review in a comprehensive way summarizes and discusses the various metal oxide and sulfide-incorporated tannin and lignin scaffolds using electrochemical sensing and biosensing.
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Affiliation(s)
- C Devu
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam, 690525, India
| | - S Sreelakshmi
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam, 690525, India
| | - R Chandana
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam, 690525, India
| | - P Sivanand
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam, 690525, India
| | - A Santhy
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam, 690525, India
| | - K C Seetha Lakshmi
- Graduate School of Science, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba-shi, 2638522, Japan
| | - R Rejithamol
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam, 690525, India.
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3
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Liang F, Li X, Zhang Y, Wu Y, Bai K, Agusti R, Soleimani A, Wang W, Yi S. Recent Progress on Green New Phase Extraction and Preparation of Polyphenols in Edible Oil. Molecules 2023; 28:8150. [PMID: 38138638 PMCID: PMC10745615 DOI: 10.3390/molecules28248150] [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: 11/14/2023] [Revised: 12/08/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
With the proposal of replacing toxic solvents with non-toxic solvents in the concept of green chemistry, the development and utilization of new green extraction techniques have become a research hotspot. Phenolic compounds in edible oils have good antioxidant activity, but due to their low content and complex matrix, it is difficult to achieve a high extraction rate in a green and efficient way. This paper reviews the current research status of novel extraction materials in solid-phase extraction, including carbon nanotubes, graphene and metal-organic frameworks, as well as the application of green chemical materials in liquid-phase extraction, including deep eutectic solvents, ionic liquids, supercritical fluids and supramolecular solvents. The aim is to provide a more specific reference for realizing the green and efficient extraction of polyphenolic compounds from edible oils, as well as another possibility for the future research trend of green extraction technology.
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Affiliation(s)
- Feng Liang
- College of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China; (F.L.); (Y.W.); (K.B.)
| | - Xue Li
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (X.L.); (Y.Z.)
| | - Yu Zhang
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (X.L.); (Y.Z.)
| | - Yi Wu
- College of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China; (F.L.); (Y.W.); (K.B.)
| | - Kaiwen Bai
- College of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China; (F.L.); (Y.W.); (K.B.)
| | - Romero Agusti
- Institute of Agriculture and Food Research and Technology, Reus, El Morell Road, 43120 Constantí, Spain;
| | - Ali Soleimani
- Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan 45371-38791, Iran;
| | - Wei Wang
- College of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China; (F.L.); (Y.W.); (K.B.)
| | - Shumin Yi
- School of Food Science and Engineering, Bohai University, Jinzhou 121013, China
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Yang X, Lv S, Gan L, Wang C, Wang Z, Zhang Z. Single-Fe-Atom Catalyst for Sensitive Electrochemical Detection of Caffeic Acid. ACS APPLIED MATERIALS & INTERFACES 2023; 15:53189-53197. [PMID: 37946326 DOI: 10.1021/acsami.3c11378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
A single-atom catalyst (Fe SAs/-N-C) with excellent stability and conductivity was strategically fabricated via high-temperature calcination using the NiFe layered double hydroxide (LDH)/ZIF-8 composite as precursors. With the help of Ni as a catalyst, a great number of carbon nanotubes were produced whereby the isolated carbon bulks were interconnected to form an "island-bridge"-like 3D network structure, which greatly enhanced the exposure of active sites and the electron transfer. Accordingly, caffeic acid (CA) with versatile biological and pharmacological activities was chosen as the model analyte. The Fe SAs/-N-C with Fe-N4 as the catalytic active site was employed to establish the electrochemical sensing of CA with satisfactory sensitivity, selectivity, and long-term stability. This work expands the application range of single-atom catalysts and contributes a significant reference for the synthesis of hybrid double-atom catalysts.
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Affiliation(s)
- Xiumin Yang
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Sijia Lv
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Liyong Gan
- Institute for Structure and Function and Department of Physics, Chongqing University, Chongqing 400030, China
| | - Chun Wang
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Zhi Wang
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Zhonghai Zhang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
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Zhang W, Li X, Hu X, Li C, Liu S, Ma J, Wang J, Li R, Wang Q, Ding X, Wang Z. A novel electrochemical sensor based on an Fe–N–C/AuNP nanohybrid for rapid and sensitive gallic acid detection. NEW J CHEM 2023. [DOI: 10.1039/d3nj00345k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Abstract
An Fe–N–C/AuNP nanohybrid was combined with a glassy carbon electrode to construct a novel electrochemical sensor for rapid detection of gallic acid (GA). The sensor exhibited excellent performance to detect GA with a wide linear response range and low detection limit.
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Affiliation(s)
- Wanqing Zhang
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Xijiao Li
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Xinxin Hu
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Chunxiang Li
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Shanqin Liu
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Jingjing Ma
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Jichao Wang
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Renlong Li
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Qing Wang
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Xiaoman Ding
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Zhiyuan Wang
- China Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450001, China
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Zhong Z, Xie A, Pan J, Li M, Wang J, Jiang S, Lin J, Zhu S, Luo S. Well-matched core–shell NiO@LaMnO3/MWCNTs p-p homotype heterojunction for ascorbic acid detection. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.117080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Urçuk A, Yıldız C, Eskiköy Bayraktepe D, Yazan Z. Highly sensitive and disposable electrochemical nano sensor for simultaneous analysis of caffeic acid and uric acid based on halloysite nanotubes and magnetite nanoparticles. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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8
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Green Synthesis and Characterization of Cobalt Oxide Nanoparticles Using Psidium guajava Leaves Extracts and Their Photocatalytic and Biological Activities. Molecules 2022; 27:molecules27175646. [PMID: 36080410 PMCID: PMC9457729 DOI: 10.3390/molecules27175646] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/18/2022] [Accepted: 08/24/2022] [Indexed: 11/17/2022] Open
Abstract
The advanced technology for synthesizing nanoparticles utilizes natural resources in an environmentally friendly manner. Additionally, green synthesis is preferred to chemical and physical synthesis because it takes less time and effort. The green synthesis of cobalt oxide nanoparticles has recently risen due to its physico-chemical properties. In this study, many functional groups present in Psidium guajava leaf extracts are used to stabilize the synthesis of cobalt oxide nanoparticles. The biosynthesized cobalt oxide nanoparticles were investigated using UV-visible spectroscopic analysis. Additionally, Fourier-transform infrared spectroscopy revealed the presence of carboxylic acids, hydroxyl groups, aromatic amines, alcohols and phenolic groups. The X-ray diffraction analysis showed various peaks ranging from 32.35 to 67.35°, and the highest intensity showed at 36.69°. The particle size ranged from 26 to 40 nm and confirmed the average particle size is 30.9 nm. The green synthesized P. guajava cobalt oxide nanoparticles contain cobalt as the major abundant element, with 42.26 wt% and 18.75 at% confirmed by the EDAX techniques. SEM images of green synthesized P. guajava cobalt oxide nanoparticles showed agglomerated and non-uniform spherical particles. The anti-bacterial activity of green synthesized P. guajava cobalt oxide nanoparticles was evaluated against Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli with a 7 to 18 mm inhibitory zone. The photocatalytic activity was evaluated using green synthesized P. guajava cobalt oxide nanoparticles and observed 79% of dye degradation. The MTT assay of P. guajava cobalt oxide nanoparticles showed an excellent cytotoxic effect against MCF 7 and HCT 116 cells compared to normal cells. The percentage of cell viability of P. guajava cobalt oxide nanoparticles was observed as 90, 83, 77, 68, 61, 58 and 52% for MCF-7 cells and 82, 70, 63, 51, 43, 40, and 37% for HCT 116 cells at the concentration of 1.53, 3.06, 6.12, 12.24, 24.48, 50, and 100 μg/mL compared to control cells. These results confirmed that green synthesized P. guajava cobalt oxide nanoparticles have a potential photocatalytic and anti-bacterial activity and also reduced cell viability against MCF-7 breast cancer and HCT 116 colorectal cancer cells.
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Magerusan L, Pogacean F, Pruneanu S. Eco-friendly synthesis of sulphur-doped graphenes with applicability in caffeic acid electrochemical assay. Bioelectrochemistry 2022; 148:108228. [PMID: 35970121 DOI: 10.1016/j.bioelechem.2022.108228] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 08/05/2022] [Accepted: 08/06/2022] [Indexed: 11/28/2022]
Abstract
A new electrode based on glassy carbon modified with a sulphur-doped graphene material was successfully developed and applied for caffeic acid (CA) voltammetric detection and quantification. The structural features of sulphur-doped graphene (exfGR-S) characterized by different physicochemical and analytical techniques are presented. Cyclic voltammetry (CV) technique was employed to evaluate the electrochemical behavior of both bare glassy carbon (GCE) and modified GCE/exfGr-S electrodes towards CA oxidation. The study revealed that the modified electrode exhibits superior electrochemical performances compared to the bare electrode, with a broad CA detecting range (from 0.1 to 100.0 µM), a low detection limit 3.03 × 10-8 M), excellent anti-interference capabilities, as well as good stability and repeatability. The developed electrochemical sensor appears to be a promising candidate for real sample quality control analysis since it successfully displayed its ability to directly detect CA in commercially available coffee product without any pretreatment.
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Affiliation(s)
- Lidia Magerusan
- National Institute for Research and Development of Isotopic and Molecular Technologies, Donat Street, No. 67-103, RO, 400293 Cluj-Napoca, Romania.
| | - Florina Pogacean
- National Institute for Research and Development of Isotopic and Molecular Technologies, Donat Street, No. 67-103, RO, 400293 Cluj-Napoca, Romania
| | - Stela Pruneanu
- National Institute for Research and Development of Isotopic and Molecular Technologies, Donat Street, No. 67-103, RO, 400293 Cluj-Napoca, Romania
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10
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Nanomaterials-based electrochemical sensors for the detection of natural antioxidants in food and biological samples: research progress. Mikrochim Acta 2022; 189:318. [PMID: 35931898 DOI: 10.1007/s00604-022-05403-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 07/02/2022] [Indexed: 10/16/2022]
Abstract
Antioxidants are healthy substances that are beneficial to the human body and exist mainly in natural and synthetic forms. Among many kinds of antioxidants, the natural antioxidants have great applications in many fields such as food chemistry, medical care, and clinical application. In recent years, many efforts have been made for the determination of natural antioxidants. Nano-electrochemical sensors combining electrochemistry and nanotechnology have been widely used in the determination of natural antioxidants due to their unique advantages. Therefore, a large number of nanomaterials such as metal oxide, carbon materials, and conducting polymer have attracted much attention in the field of electrochemical sensors due to their good catalytic effect and stable performance. This review mainly introduces the construction of electrochemical sensors based on different nanomaterials, such as metallic nanomaterials, metal oxide nanomaterials, carbon nanomaterials, metal-organic frameworks, polymer nanomaterials, and other nanocomposites, and their application to the detection of natural antioxidants, including ascorbic acid, phenolic acids, flavonoid, tryptophan, citric acid, and other natural antioxidants. In the end, the limitations of the existing nano-sensing technology, the latest development trend, and the application prospect for various natural antioxidant substances are summarized and analyzed. We expect that this review will be helpful to researchers engaged in electrochemical sensors.
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Suresh Babu K, Padmanaban A, Narayanan V. Surface tuned Au-ZnO nanorods for enhanced electrochemical sensing ability towards the detection of gallic acid. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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12
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Sekar S, Huijun J, Liuzhu Z, Jin C, Lee S, Kim DY, Manikandan R. Copper phthalocyanine conjugated graphitic carbon nitride nanosheets as an efficient electrocatalyst for simultaneous detection of natural antioxidants. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140150] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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13
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Ziyatdinova GK, Zhupanova AS, Budnikov HC. Electrochemical Sensors for the Simultaneous Detection of Phenolic Antioxidants. JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1134/s1061934822020125] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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14
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An insight into the thin-layer diffusion phenomena within a porous electrode: Gallic acid at a single-walled carbon nanotubes-modified electrode. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2021.116008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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15
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Pandey RR, Chusuei CC. Carbon Nanotubes, Graphene, and Carbon Dots as Electrochemical Biosensing Composites. Molecules 2021; 26:6674. [PMID: 34771082 PMCID: PMC8587008 DOI: 10.3390/molecules26216674] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/27/2021] [Accepted: 10/28/2021] [Indexed: 12/20/2022] Open
Abstract
Carbon nanomaterials (CNMs) have been extensively used as electrochemical sensing composites due to their interesting chemical, electronic, and mechanical properties giving rise to increased performance. Due to these materials' unknown long-term ecological fate, care must be given to make their use tractable. In this review, the design and use of carbon nanotubes (CNTs), graphene, and carbon dots (CDs) as electrochemical sensing electrocatalysts applied to the working electrode surface are surveyed for various biosensing applications. Graphene and CDs are readily biodegradable as compared to CNTs. Design elements for CNTs that carry over to graphene and CDs include Coulombic attraction of components and using O or N atoms that serve as tethering points for attaching electrocatalytically active nanoparticles (NPs) and/or other additives.
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Affiliation(s)
| | - Charles C. Chusuei
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, TN 37132, USA;
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Manjula N, Chen SM. Simple strategy synthesis of manganese cobalt oxide anchored on graphene oxide composite as an efficient electrocatalyst for hazardous 4-nitrophenol detection in toxic tannery waste. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106514] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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17
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Sainz-Urruela C, Vera-López S, San Andrés MP, Díez-Pascual AM. Graphene-Based Sensors for the Detection of Bioactive Compounds: A Review. Int J Mol Sci 2021; 22:3316. [PMID: 33804997 PMCID: PMC8037795 DOI: 10.3390/ijms22073316] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 02/07/2023] Open
Abstract
Over the last years, different nanomaterials have been investigated to design highly selective and sensitive sensors, reaching nano/picomolar concentrations of biomolecules, which is crucial for medical sciences and the healthcare industry in order to assess physiological and metabolic parameters. The discovery of graphene (G) has unexpectedly impulsed research on developing cost-effective electrode materials owed to its unique physical and chemical properties, including high specific surface area, elevated carrier mobility, exceptional electrical and thermal conductivity, strong stiffness and strength combined with flexibility and optical transparency. G and its derivatives, including graphene oxide (GO) and reduced graphene oxide (rGO), are becoming an important class of nanomaterials in the area of optical and electrochemical sensors. The presence of oxygenated functional groups makes GO nanosheets amphiphilic, facilitating chemical functionalization. G-based nanomaterials can be easily combined with different types of inorganic nanoparticles, including metals and metal oxides, quantum dots, organic polymers, and biomolecules, to yield a wide range of nanocomposites with enhanced sensitivity for sensor applications. This review provides an overview of recent research on G-based nanocomposites for the detection of bioactive compounds, providing insights on the unique advantages offered by G and its derivatives. Their synthesis process, functionalization routes, and main properties are summarized, and the main challenges are also discussed. The antioxidants selected for this review are melatonin, gallic acid, tannic acid, resveratrol, oleuropein, hydroxytyrosol, tocopherol, ascorbic acid, and curcumin. They were chosen owed to their beneficial properties for human health, including antibiotic, antiviral, cardiovascular protector, anticancer, anti-inflammatory, cytoprotective, neuroprotective, antiageing, antidegenerative, and antiallergic capacity. The sensitivity and selectivity of G-based electrochemical and fluorescent sensors are also examined. Finally, the future outlook for the development of G-based sensors for this type of biocompounds is outlined.
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Affiliation(s)
- Carlos Sainz-Urruela
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain); (C.S.-U.); (S.V.-L.); (M.P.S.)
| | - Soledad Vera-López
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain); (C.S.-U.); (S.V.-L.); (M.P.S.)
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río (IQAR), Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain)
| | - María Paz San Andrés
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain); (C.S.-U.); (S.V.-L.); (M.P.S.)
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río (IQAR), Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain)
| | - Ana M. Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain); (C.S.-U.); (S.V.-L.); (M.P.S.)
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río (IQAR), Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain)
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Xie A, Wang H, Zhu J, Chang J, Gu L, Liu C, Yang Y, Ren Y, Luo S. A caffeic acid sensor based on CuZnO /MWCNTs composite modified electrode. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105786] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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19
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Chikere C, Hobben E, Faisal NH, Kong-Thoo-Lin P, Fernandez C. Electroanalytical determination of gallic acid in red and white wine samples using cobalt oxide nanoparticles-modified carbon-paste electrodes. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105668] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Bounegru AV, Apetrei C. Voltamperometric Sensors and Biosensors Based on Carbon Nanomaterials Used for Detecting Caffeic Acid-A Review. Int J Mol Sci 2020; 21:E9275. [PMID: 33291758 PMCID: PMC7730703 DOI: 10.3390/ijms21239275] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 12/11/2022] Open
Abstract
Caffeic acid is one of the most important hydroxycinnamic acids found in various foods and plant products. It has multiple beneficial effects in the human body such as antioxidant, antibacterial, anti-inflammatory, and antineoplastic. Since overdoses of caffeic acid may have negative effects, the quality and quantity of this acid in foods, pharmaceuticals, food supplements, etc., needs to be accurately determined. The present paper analyzes the most representative scientific papers published mostly in the last 10 years which describe the development and characterization of voltamperometric sensors or biosensors based on carbon nanomaterials and/or enzyme commonly used for detecting caffeic acid and a series of methods which may improve the performance characteristics of such sensors.
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Affiliation(s)
| | - Constantin Apetrei
- Department of Chemistry, Physics and Environment, Faculty of Sciences and Environment, “Dunărea de Jos” University of Galaţi, 47 Domnească Street, 800008 Galaţi, Romania;
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21
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Printing-Based Assay and Therapy of Antioxidants. Antioxidants (Basel) 2020; 9:antiox9111052. [PMID: 33126547 PMCID: PMC7692755 DOI: 10.3390/antiox9111052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/18/2020] [Accepted: 10/26/2020] [Indexed: 12/21/2022] Open
Abstract
Antioxidants are essential in regulating various physiological functions and oxidative deterioration. Over the past decades, many researchers have paid attention to antioxidants and studied the screening of antioxidants from natural products and their utilization for treatments in diverse pathological conditions. Nowadays, as printing technology progresses, its influence in the field of biomedicine is growing significantly. The printing technology has many advantages. Especially, the capability of designing sophisticated platforms is useful to detect antioxidants in various samples. The high flexibility of 3D printing technology is advantageous to create geometries for customized patient treatment. Recently, there has been increasing use of antioxidant materials for this purpose. This review provides a comprehensive overview of recent advances in printing technology-based assays to detect antioxidants and 3D printing-based antioxidant therapy in the field of tissue engineering. This review is divided into two sections. The first section highlights colorimetric assays using the inkjet-printing methods and electrochemical assays using screen-printing techniques for the determination of antioxidants. Alternative screen-printing techniques, such as xurography, roller-pen writing, stamp contact printing, and laser-scribing, are described. The second section summarizes the recent literature that reports antioxidant-based therapy using 3D printing in skin therapeutics, tissue mimetic 3D cultures, and bone tissue engineering.
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Şenocak A. Fast, Simple and Sensitive Determination of Coumaric Acid in Fruit Juice Samples by Magnetite Nanoparticles‐zeolitic Imidazolate Framework Material. ELECTROANAL 2020. [DOI: 10.1002/elan.202060237] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ahmet Şenocak
- Department of Chemistry Gebze Technical University 41400 Gebze, Kocaeli Turkey
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23
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Kumar DR, Sayed MS, Baynosa ML, Shim JJ. 5-Amino-2-mercapto-1,3,4-thiadiazole coated nitrogen-doped-carbon sphere composite for the determination of phenolic compounds. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105023] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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24
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Forzato C, Vida V, Berti F. Biosensors and Sensing Systems for Rapid Analysis of Phenolic Compounds from Plants: A Comprehensive Review. BIOSENSORS 2020; 10:E105. [PMID: 32846992 PMCID: PMC7557957 DOI: 10.3390/bios10090105] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/18/2020] [Accepted: 08/21/2020] [Indexed: 01/18/2023]
Abstract
Phenolic compounds are secondary metabolites frequently found in plants that exhibit many different effects on human health. Because of the relevant bioactivity, their identification and quantification in agro-food matrices as well as in biological samples are a fundamental issue in the field of quality control of food and food supplements, and clinical analysis. In this review, a critical selection of sensors and biosensors for rapid and selective detection of phenolic compounds is discussed. Sensors based on electrochemistry, photoelectrochemistry, fluorescence, and colorimetry are discussed including devices with or without specific recognition elements, such as biomolecules, enzymes and molecularly imprinted materials. Systems that have been tested on real matrices are prevalently considered but also techniques that show potential development in the field.
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Affiliation(s)
| | | | - Federico Berti
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Trieste, via Giorgieri 1, 34127 Trieste, Italy; (C.F.); (V.V.)
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25
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Dhanjai, Mugo SM, Lu W. Modified stainless steel microneedle electrode for polyphenolics detection. Anal Bioanal Chem 2020; 412:7063-7072. [PMID: 32827071 DOI: 10.1007/s00216-020-02836-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/18/2020] [Accepted: 07/21/2020] [Indexed: 01/25/2023]
Abstract
This work outlines a simple fabricated microneedle electrode for sensitive and real sample monitoring of plant polyphenolics. The electrode was fabricated by layer-by-layer assembly (LBL) with nanocomposite of carbon nanotubes (CNT) and cellulose nanocrystals (CNC) as the first layer, followed by polyaniline (PANI), and finally, the 3-(glycidyloxypropyl)trimethoxysilane (GOPS) layer as the binding agent. The microneedle electrodes were characterized by scanning electron microscopy (SEM), electrochemical impedance spectroscopy (EIS), Fourier transform infrared (FTIR) spectroscopy, and Raman spectroscopy. The developed microneedle electrodes were successfully applied for the capacitive detection of gallic acid (GA) and chlorogenic acid (CA) as polyphenol model compounds. The microneedle electrode was also used to quantify polyphenols in orange juice. The electrochemical capacitance responses were linearly proportional to the concentrations of GA and CA in the range of 0.1-87.23 μg/mL for GA and 0.1-78.01 μg/mL for CA. The calculated detection limits (LOD) for GA and CA were found to be 0.29 ± 0.2 μg/mL and 0.34 ± 0.2 μg/mL respectively. As minimally invasive technology, microneedle electrodes were found to be promising for successful in situ screening of antioxidants in different fruit matrices. The microneedle electrodes were also applied to the depth profiling of antioxidant content in fruit samples. Graphical abstract.
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Affiliation(s)
- Dhanjai
- Department of Physical Sciences, MacEwan University, Edmonton, AB, T5J 4S2, Canada.,Department of Mathematical and Physical Sciences, Concordia University of Edmonton, Edmonton, AB, T5B 4E4, Canada
| | - Samuel M Mugo
- Department of Physical Sciences, MacEwan University, Edmonton, AB, T5J 4S2, Canada.
| | - Weihao Lu
- Department of Physical Sciences, MacEwan University, Edmonton, AB, T5J 4S2, Canada
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26
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Vinoth S, Govindasamy M, Wang SF, Anandaraj S. Layered nanocomposite of zinc sulfide covered reduced graphene oxide and their implications for electrocatalytic applications. ULTRASONICS SONOCHEMISTRY 2020; 64:105036. [PMID: 32146333 DOI: 10.1016/j.ultsonch.2020.105036] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 02/11/2020] [Accepted: 02/12/2020] [Indexed: 06/10/2023]
Abstract
Herein, we have synthesized zinc sulfide nanospheres (ZnS NPs) encapsulated on reduced graphene oxide (RGO) hybrid by an ultrasonic bath (50 kHz/60 W). The physical and structural properties of ZnS NPs@RGO hybrid were analyzed by TEM, XRD, EIS and EDS. As-prepared ZnS NPs@RGO hybrid was applied towards the electrochemical determination of caffeic acid (CA) in various food samples. The ZnS NPs@RGO hybrid modified electrode (GCE) exhibited an excellent electrocatalytic performance towards caffeic acid detection and determination, when compared to other modified electrodes. Therefore, the electrochemical sensing performance of the fabricated and nanocomposite modified electrode was significantly improved owing to the synergistic effect of ZnS NPs and RGO catalyst. Furthermore, the hybrid materials provide highly active electro-sites as well as rapid electron transport pathways. The proposed electrochemical caffeic acid sensor produces a wide linear range of 0.015-671.7 µM with a nanomolar level detection limit (3.29 nM). In addition, the real sample analysis of the proposed sensor has applied to the determination of caffeic acid in various food samples.
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Affiliation(s)
- Subramaniyan Vinoth
- Department of Materials Science and Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, ROC
| | - Mani Govindasamy
- Department of Materials Science and Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, ROC.
| | - Sea-Fue Wang
- Department of Materials Science and Engineering, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, ROC.
| | - Sathiyan Anandaraj
- Department of Chemistry, Bishop Heber College (Autonomous), Tiruchirappalli, Tamil Nadu 620017, India
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Class-selective voltammetric determination of hydroxycinnamic acids structural analogs using a WS 2/catechin-capped AuNPs/carbon black-based nanocomposite sensor. Mikrochim Acta 2020; 187:296. [PMID: 32347378 DOI: 10.1007/s00604-020-04281-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 04/13/2020] [Indexed: 12/13/2022]
Abstract
A high-performance screen-printed electrode (SPE) based nanocomposite sensor integrating tungsten disulfide (WS2) flakes decorated with catechin-capped gold nanoparticles (AuNP-CT) and carbon black (CB) has been developed. The excellent antifouling properties of WS2 decorated with AuNP-CT into a high conductivity network of CB results in high selectivity, sensitivity, and reproducibility for the simultaneous determination of hydroxycinnamic acid (hCN) structural analogs: caffeic (CF), sinapic (SP), and p-coumaric acids (CM). Using differential pulse voltammetry (DPV), the target hCNs resulted in three well-resolved oxidation peaks at SPE-CB-WS2/AuNP-CT sensor. Excellent antifouling performance (RSD ip,a ≤ 3%, n = 15 for three analytes' simultaneous measure) and low detection limits (CF 0.10 μmol L-1; SP, 0.40 μmol L-1; CM, 0.40 μmol L-1) are obtained despite the analyzed compounds having a high passivation tendency towards carbon-based sensors. The SPE-CB-WS2/AuNP-CT sensor was successfully applied to determine CF, SP, and CM in food samples with good precision (RSD ≤ 4%, n = 3) and recoveries (86-109%; RSD ≤ 5%, n = 3). The proposed sensor is the first example exploiting the simultaneous determination of these compounds in food samples. Given its excellent electrochemical performance, low cost, disposability, and ease of use, this SPE-CB-WS2/AuNP-CT nanocomposite sensor represents a powerful candidate for the realization of electrochemical devices for the determination of (bio)compounds with high passivation tendency. Graphical abstract.
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28
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Zhu W, Gao J, Song H, Lin X, Zhang S. Nature of the Synergistic Effect of N and S Co-Doped Graphene for the Enhanced Simultaneous Determination of Toxic Pollutants. ACS APPLIED MATERIALS & INTERFACES 2019; 11:44545-44555. [PMID: 31675208 DOI: 10.1021/acsami.9b13211] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
N-doped graphene (NG), S-doped graphene (SG), and N and S co-doped graphene nanocatalysts with different doping sequences (N-SG and S-NG) are successfully synthesized by a facile low-temperature hydrothermal method. By changing the synthetic sequence, S-NG significantly increases the electron transport rate of the sensor and the electrocatalytic ability compared to NG, SG, and N-SG due to the optimal proportion of doping element content and suitable N- and S-bonding configurations. The origin of the synergistic effect of N and S co-doped graphene is confirmed. Traces of S doping greatly enhance the electrochemical performance. The large volume of S-Ox groups may prevent the analytes from approaching the catalytic sites of the sensing materials due to a steric hindrance effect. S-NG, which possesses less S-Ox groups, exhibits better performance than N-SG. Pyridinic N plays an important role in enhancing the electrochemical activity and conductivity. The simultaneous determination of aniline (AN), p-phenylenediamine (PPD), and nitrobenzene (NB) as typical toxic pollutants is performed by employing the S-NG nanoarchitecture. The detection limits (S/N = 3) for AN, PPD, and NB are 0.023, 0.051, and 0.216 μM, respectively. In addition, the S-NG sensors also have excellent anti-interference, stability, and reproducibility. The precise control and synthesis of multiheteroatoms into graphene represent a promising strategy to enhance the electrocatalytic performance in energy and environmental fields.
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Affiliation(s)
- Weiqing Zhu
- School of Chemical Engineering , Nanjing University of Science and Technology , Nanjing 210094 , P. R. China
| | - Juanjuan Gao
- School of Chemical Engineering , Nanjing University of Science and Technology , Nanjing 210094 , P. R. China
| | - Haiou Song
- School of Environment , Nanjing Normal University , Nanjing 210097 , P. R. China
| | - Xuezhen Lin
- School of Chemical Engineering , Nanjing University of Science and Technology , Nanjing 210094 , P. R. China
| | - Shupeng Zhang
- School of Chemical Engineering , Nanjing University of Science and Technology , Nanjing 210094 , P. R. China
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29
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Koçak ÇC, Karabiberoğlu ŞU, Dursun Z. Highly sensitive determination of gallic acid on poly (l-Methionine)-carbon nanotube composite electrode. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113552] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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30
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Özdokur KV, Koçak ÇC. Simultaneous Determination of Rosmarinic Acid and Protocatechuic Acid at Poly(o‐Phenylenediamine)/Pt Nanoparticles Modified Glassy Carbon Electrode. ELECTROANAL 2019. [DOI: 10.1002/elan.201900144] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Kemal Volkan Özdokur
- Erzincan Binali Yıldırım University, Science FacultyDepartment of Chemistry 24100 Erzincan Turkey
| | - Çağrı Ceylan Koçak
- Dokuz Eylul UniversityBergama Vocational School 35700 Bergama, Izmir Turkey
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31
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Hu B, Zhang M, Liu P, Xie S, Xie D, Wang S, Cheng F, Wang L. A Sensor Based on Hollow, Octahedral, Cu
2
O‐Supported Palladium Nanoparticles – Prepared by a Galvanic Replacement Reaction – and Carboxylic Multi‐Walled Carbon Nanotubes for Electrochemical Detection of Caffeic Acid in Red Wine. ChemistrySelect 2019. [DOI: 10.1002/slct.201900091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Bibo Hu
- Guangdong Engineering and Technology Research Center for Advanced NanomaterialsDongguan University of Technology, Dongguan P.R. China
- School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou (P.R. China
| | - Min Zhang
- Guangdong Engineering and Technology Research Center for Advanced NanomaterialsDongguan University of Technology, Dongguan P.R. China
| | - Peng Liu
- Guangdong Engineering and Technology Research Center for Advanced NanomaterialsDongguan University of Technology, Dongguan P.R. China
| | - Shilei Xie
- Guangdong Engineering and Technology Research Center for Advanced NanomaterialsDongguan University of Technology, Dongguan P.R. China
| | - Dong Xie
- Guangdong Engineering and Technology Research Center for Advanced NanomaterialsDongguan University of Technology, Dongguan P.R. China
| | - Shoushan Wang
- Guangdong Engineering and Technology Research Center for Advanced NanomaterialsDongguan University of Technology, Dongguan P.R. China
| | - Faliang Cheng
- Guangdong Engineering and Technology Research Center for Advanced NanomaterialsDongguan University of Technology, Dongguan P.R. China
| | - Lishi Wang
- School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou (P.R. China
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32
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Simultaneous Voltammetric Determination of Gallic and Protocatechuic Acids in Mango Juice Using a Reduced Graphene Oxide-Based Electrochemical Sensor. BEVERAGES 2019. [DOI: 10.3390/beverages5010017] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A simple and sensitive reduced graphene oxide-modified glassy carbon electrode-based electrochemical sensor was used for the concomitant determination of gallic acid (GA) and protocatechuic (PA) acid. The prepared sensor showed a significant enhancement in synergetic electro-catalytic performance towards GA and PA oxidation. A good resolution of the voltammetry peaks was obtained and a method of square wave voltammetry was developed for detection. The modified electrode was characterized by electrochemical techniques. The optimal experimental parameters were considered. GA and PA exhibited a linear increase in the peak currents with their concentrations in the range from 20 to 144 µmol·L−1 for GA and from 20 to 166 µmol·L−1 for PA, with limits of detection (S/N = 3) of 30.8 µmol·L−1 for GA and 10.2 µmol·L−1 for PA. The sensor applicability was simultaneously tested for the analytical determination of GA and PA in mango juice and exhibited a robust functionality.
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33
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Wild Bilberry ( Vaccinium myrtillus L., Ericaceae) from Montenegro as a Source of Antioxidants for Use in the Production of Nutraceuticals. Molecules 2018; 23:molecules23081864. [PMID: 30050005 PMCID: PMC6222815 DOI: 10.3390/molecules23081864] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 07/21/2018] [Accepted: 07/24/2018] [Indexed: 12/22/2022] Open
Abstract
The aim of this study was to establish correlation of chemical composition and antioxidant activity of bilberry plants from Montenegro. Total phenolic, tannin, flavonoid, procyanidin and anthocyanin contents were determined in fruits and leaves extracts using spectrophotometric methods, while the measurements of metal content was carried out in an Inductively Coupled Atomic Emission Spectrometer. Qualitative and quantitative analyses of major phenolics were achieved by HPLC. In the investigated extracts, the most abundant phenolic was chlorogenic acid, followed by protocatechuic acid, while resveratrol, isoquercetin, quecetin and hyperoside were also present in significant quantities. Antioxidant potential was evaluated using two in vitro assays—FRAP and DPPH—being in the accordance with the cyclic voltammetry tests, performed as well. The results revealed that all the investigated extracts were rich in phenolic and essential mineral constituents, with significant antioxidant activity, depending on the polyphenolic and mineral contents, which was confirmed by principal component analysis.
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34
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Bahrani S, Ghaedi M, Daneshfar A. Fabrication of size controlled nanocomposite based on zirconium alkoxide for enrichment of Gallic acid in biological and herbal tea samples. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1087-1088:14-22. [DOI: 10.1016/j.jchromb.2018.04.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Revised: 03/11/2018] [Accepted: 04/08/2018] [Indexed: 01/03/2023]
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35
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Self-powered Photoelectrochemical Sensor for Gallic Acid Exploiting a CdSe/ZnS Core-shell Quantum Dot Sensitized TiO2
as Photoanode. ELECTROANAL 2018. [DOI: 10.1002/elan.201800133] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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36
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Song C, Yin X, Li B, Ye K, Zhu K, Cao D, Cheng K, Wang G. Facile synthesis and catalytic performance of Co 3O 4 nanosheets in situ formed on reduced graphene oxide modified Ni foam. Dalton Trans 2018; 46:13845-13853. [PMID: 28967030 DOI: 10.1039/c7dt03048g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A three-dimensional (3D) catalyst electrode of Co3O4 nanosheets in situ formed on reduced graphene oxide modified Ni foam (Co3O4/rGO@Ni foam) for H2O2 electroreduction is prepared by a two-step hydrothermal method. In the first step, graphene oxide sheets are reduced and formed on the skeleton of Ni foam and Co3O4 nanosheets are synthesized intermixed with the rGO sheets through the second step. The Co3O4 nanosheets are made up of plentiful nanoparticles and there are many nanoholes among these nanoparticles which are beneficial for the sufficient contact between H2O2 and the catalyst. The morphology and phase composition of the Co3O4/rGO@Ni foam electrode are studied by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The electrocatalytic activity of the as-prepared electrode is investigated by cyclic voltammetry (CV) and chronoamperometry (CA). From the results, it can be seen that in 2 mol L-1 NaOH and 0.5 mol L-1 H2O2, the reduction current density of H2O2 on the Co3O4/rGO@Ni foam electrode is 450 mA cm-2 at -0.8 V which is much higher than that on Co3O4 directly supported on Ni foam. This obvious increase of the current density can be attributed to the increase of the surface area of the electrode after the addition of rGO. Also, the interpenetration of rGO and Co3O4 nanosheets improves the electron and ion transport ability of the electrode which leads to a good electrocatalytic activity and stability of the Co3O4/rGO@Ni foam electrode.
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Affiliation(s)
- Congying Song
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P.R. China.
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37
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Enzyme Immobilization on Functionalized Graphene Oxide Nanosheets: Efficient and Robust Biocatalysts. Methods Enzymol 2018; 609:371-403. [DOI: 10.1016/bs.mie.2018.06.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2022]
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38
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Gao J, Fang J, Ju X, Zhu W, Lin X, Zhang S, Ma C, Song H. Hierarchical Self-Assembly of Cyclodextrin and Dimethylamino-Substituted Arylene-Ethynylene on N-doped Graphene for Synergistically Enhanced Electrochemical Sensing of Dihydroxybenzene Isomers. ACS APPLIED MATERIALS & INTERFACES 2017; 9:38802-38813. [PMID: 29035499 DOI: 10.1021/acsami.7b12463] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
An electrochemically active sensing nanomaterial (denoted as CD-MPEA-NG) has been successfully constructed by an hierarchical self-assembly of cyclodextrin (CD) and N,N-dimethyl-4-(phenylethynyl)aniline (MPEA) on N-doped graphene (NG) in a low-temperature hydrothermal process. The unique nanostructure of the high-performance CD-MPEA-NG was confirmed by utilizing Fourier transform infrared spectra, an X-ray diffractometer, and differential pulse voltammetry (DPV), etc. In particular, the method of density functional theory with dispersion energy (DFT-D) of wB97XD/LanL2DZ was employed to optimize and describe the face-to-face packing structure of heterodimers of NG and MPEA. The CD-MPEA-NG sensor exhibits highly sensitive performance toward dihydroxybenzene isomers, without relying on expensive noble metal or a complicated preparation process. The experimental results demonstrate that given the synergistic effect of NG and MPEA as a coupled sensing platform, CD as a supramolecular cavity can significantly enhance the electrochemical response. The detection limits (S/N = 3) for catechol (CT), resorcinol (RS), and hydroquinone (HQ) are 0.008, 0.018, and 0.011 μM by DPV, respectively. Besides, the CD-MPEA-NG sensor shows a superb anti-interference, reproducibility, and stability, and satisfactory recovery aimed at detecting isomers in Nanjing River water. The encouraging performance as well as simplified preparation approach strongly support the CD-MPEA-NG sensor is a fascinating electrode to develop as a seamless and sensitive electroanalytical technique.
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Affiliation(s)
- Juanjuan Gao
- School of Chemical Engineering, Nanjing University of Science and Technology , Nanjing 210094, People's Republic of China
| | - Jingkun Fang
- School of Chemical Engineering, Nanjing University of Science and Technology , Nanjing 210094, People's Republic of China
| | - Xuehai Ju
- School of Chemical Engineering, Nanjing University of Science and Technology , Nanjing 210094, People's Republic of China
| | - Weiqing Zhu
- School of Chemical Engineering, Nanjing University of Science and Technology , Nanjing 210094, People's Republic of China
| | - Xuezhen Lin
- School of Chemical Engineering, Nanjing University of Science and Technology , Nanjing 210094, People's Republic of China
| | - Shupeng Zhang
- School of Chemical Engineering, Nanjing University of Science and Technology , Nanjing 210094, People's Republic of China
- Nanjing University & Yancheng Academy of Environmental Protection Technology and Engineering , Yancheng 210009, People's Republic of China
| | - Chuang Ma
- School of Chemical Engineering, Nanjing University of Science and Technology , Nanjing 210094, People's Republic of China
| | - Haiou Song
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University , Nanjing 210023, People's Republic of China
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39
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Facile synthesis of MnO 2-embedded flower-like hierarchical porous carbon microspheres as an enhanced electrocatalyst for sensitive detection of caffeic acid. Anal Chim Acta 2017; 985:155-165. [PMID: 28864186 DOI: 10.1016/j.aca.2017.07.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 05/28/2017] [Accepted: 07/03/2017] [Indexed: 11/22/2022]
Abstract
Tailored designs/fabrications of hierarchical porous advanced electrode materials are of great importance for developing high-performance electrochemical sensors. Herein, we demonstrate a simple and low-cost in situ chemical approach for the facile synthesis of MnO2-embedded hierarchical porous carbon microspheres (MnO2/CM). By the characterizations of scanning electron microscopy, X-ray photoelectron spectroscopy, X-ray powder diffraction and energy dispersive spectroscopy, we evidenced that the synthesized product were flower-like carbon microspheres (CM) assembled by the bent flakes with thickness of about several nanometers and MnO2 nanorods were highly dispersed and successfully decorated on the CM layers, resulting in a rough surface and three-dimensional microstructure. The greatest benefit from the combined porous CM with MnO2 nanorods is that the MnO2/CM modified electrode has the synergetic catalysis effect on the electro-oxidation of caffeic acid, leading to the remarkable increase in the electron transfer rate and significant decrease in the over-potential for the caffeic acid oxidation in contrast to the bare electrode and CM modified electrode. This implies that the prepared MnO2/CM can be employed as an enhanced electrocatalyst for the sensitive detection of caffeic acid. Under the optimum conditions, the anodic peak current of caffeic acid is linear with its concentration in the range of 0.01-15.00 μmol L-1, and a detection limit of 2.7 nmol L-1 is achieved based on S/N = 3. The developed sensor shows good selectivity, sensitivity, reproducibility, and also excellent recovery in the detections of real samples, revealing the promising practicality of the sensor for the caffeic acid detection.
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Thangavelu K, Raja N, Chen SM, Liao WC. Nanomolar electrochemical detection of caffeic acid in fortified wine samples based on gold/palladium nanoparticles decorated graphene flakes. J Colloid Interface Sci 2017; 501:77-85. [PMID: 28437700 DOI: 10.1016/j.jcis.2017.04.042] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 04/10/2017] [Accepted: 04/13/2017] [Indexed: 01/27/2023]
Abstract
Amalgamation of noble metal nanomaterials on graphene flakes potentially paves one way to improve their physicochemical properties. This paper deals with the simultaneous electrochemical deposition of gold and palladium nanoparticles on graphene flakes (Au/PdNPs-GRF) for the sensitive determination of caffeic acid (CA). The physiochemical properties of the prepared Au/PdNPs-GRF was characterized by using numerous analytical techniques such as scanning electron microscopy, electron dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, X-ray powder diffraction, Raman spectroscopy and electrochemical impedance spectroscopy. The enhanced electrochemical determination of CA at Au/PdNPs deposition on GRF were studied by using cyclic voltammetry and differential pulse voltammetry. In results, Au/PdNPs-GRF electrode exhibited an excellent electrocatalytic activity towards CA with wide linear range and low limit of detection of 0.03-938.97µM and 6nM, respectively. Eventually, the Au/PdNPs-GRF was found as a selective and stable active material for the sensing of CA. In addition, the proposed sensor showed the adequate results in real sample analysis.
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Affiliation(s)
- Kokulnathan Thangavelu
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, ROC
| | - Nehru Raja
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, ROC
| | - Shen-Ming Chen
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, ROC.
| | - Wei-Cheng Liao
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei 106, Taiwan, ROC
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Electrochemical sensor based on PANI/MnO 2 -Sb 2 O 3 nanocomposite for selective simultaneous voltammetric determination of ascorbic acid and acetylsalicylic acid. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.09.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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