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Pratap Singh Raman A, Thakur G, Pandey G, Kumari K, Singh P. An Updated Review on Functionalized Graphene as Sensitive Materials in Sensing of Pesticides. Chem Biodivers 2024:e202302080. [PMID: 38578653 DOI: 10.1002/cbdv.202302080] [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: 12/22/2023] [Revised: 04/02/2024] [Accepted: 04/05/2024] [Indexed: 04/06/2024]
Abstract
Numerous chemical pesticides were employed for a long time to manage pests, but their uncontrolled application harmed the health and the environment. Accurately quantifying pesticide residues is essential for risk evaluation and regulatory purposes. Numerous analytical methods have been developed and utilized to achieve sensitive and specific detection of pesticides in intricate sampl es like water, soil, food, and air. Electrochemical sensors based on amperometry, potentiometry, or impedance spectroscopy offer portable, rapid, and sensitive detection suitable for on-site analysis. This study examines the potential of electrochemical sensors for the accurate evaluation of various effects of pesticides. Emphasizing the use of Graphene (GR), Graphene Oxide (GO), Reduced Graphene Oxide (rGO), and Graphdiyne composites, the study highlights their enhanced performance in pesticide sensing by stating the account of many actual sensors that have been made for specific pesticides. Computational studies provide valuable insights into the adsorption kinetics, binding energies, and electronic properties of pesticide-graphene complexes, guiding the design and optimization of graphene-based sensors with improved performance. Furthermore, the discussion extends to the emerging field of biopesticides. While the GR/GO/rGO based sensors hold immense future prospects, and their existing limitations have also been discussed, which need to be solved with future research.
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Affiliation(s)
- Anirudh Pratap Singh Raman
- Department of Chemistry, Atma Ram Sanatan Dharma College, University of Delhi, Delhi, India
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Delhi- NCR Campus, Delhi-Merrut Road, Modinagar, Ghaziabad, UP, India
| | - Gauri Thakur
- Department of Chemistry, Atma Ram Sanatan Dharma College, University of Delhi, Delhi, India
- Department of Chemistry, Indian Institute of Technology, Madras, India
| | - Garima Pandey
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Delhi- NCR Campus, Delhi-Merrut Road, Modinagar, Ghaziabad, UP, India
| | - Kamlesh Kumari
- Department of Zoology, University of Delhi, Delhi, India
| | - Prashant Singh
- Department of Chemistry, Atma Ram Sanatan Dharma College, University of Delhi, Delhi, India
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Delhi- NCR Campus, Delhi-Merrut Road, Modinagar, Ghaziabad, UP, India
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Tang F, Wang Y, Wang D, Yang Y, Chang J, Sun H, Gu S, He J. Streptavidin-biotin system-mediated immobilization of a bivalent nanobody onto magnetosomes for separation and analysis of 3-phenoxybenzoic acid in urine. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1546-1553. [PMID: 38404205 DOI: 10.1039/d4ay00026a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
The compound 3-phenoxybenzoic acid (3-PBA) is frequently utilized as a biomarker to detect exposure to various pyrethroids. In this study, a bivalent nanobody (Nb2) specifically targeting 3-PBA was biotinylated and immobilized onto streptavidin (SA)-modified bacterial magnetic nanoparticles (BMPs), resulting in the formation of BMP-SA-Biotin-Nb2 complexes. These complexes demonstrated remarkable stability when exposed to strongly acidic solutions (4 M HCl), methanol (80%), and high ionic strength (1.37 M NaCl). An immunoassay was subsequently developed utilizing BMP-SA-Biotin-Nb2 as the capture agent and 3-PBA-horseradish peroxidase as the detection probe. The immunoassay exhibited an IC50 value (half-maximum signal inhibition concentration) of 1.11 ng mL-1 for 3-PBA. To evaluate the accuracy of the assay, spiked sheep and cow urine samples (ranging from 3.0 to 240 ng mL-1) were analyzed. The quantitative recoveries ranged from 82.5% to 113.1%, which agreed well with the findings obtained using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Overall, the BMP-SA-Biotin-Nb2-based immunoassay holds great promise for rapid monitoring of 3-PBA following acid dissociation.
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Affiliation(s)
- Fang Tang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, P. R. China.
| | - Yating Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, P. R. China.
| | - Di Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, P. R. China.
| | - Yayun Yang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, P. R. China.
| | - Jiashu Chang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, P. R. China.
| | - Huabo Sun
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, P. R. China.
| | - Shaopeng Gu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, P. R. China.
| | - Jinxin He
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, P. R. China.
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Wahyuni WT, Putra BR, Rahman HA, Ivandini TA, Irkham, Khalil M, Rahmawati I. Effect of Aspect Ratio of a Gold-Nanorod-Modified Screen-Printed Carbon Electrode for Carbaryl Detection in Three Different Samples of Vegetables. ACS OMEGA 2024; 9:1497-1515. [PMID: 38239286 PMCID: PMC10796111 DOI: 10.1021/acsomega.3c07831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/24/2023] [Accepted: 12/01/2023] [Indexed: 01/22/2024]
Abstract
In this study, three different sizes of gold nanorods (AuNRs) were synthesized using the seed-growth method by adding various volumes of AgNO3 as 400, 600, and 800 μL into the growth solution of gold nanoparticles. Three different sizes of AuNRs were then characterized using UV-vis spectroscopy, high-resolution transmission electron microscopy (HRTEM), selected area electron diffraction (SAED) patterns, and atomic force microscopy (AFM) to investigate the surface morphology, topography, and aspect ratios of each synthesized AuNR. The aspect ratios from the histogram of size distributions of three AuNRs as 2.21, 2.53, and 2.85 can be calculated corresponding to the addition of AgNO3 volumes of 400, 600, and 800 μL. Moreover, each AuNR in three different aspect ratios was drop-cast onto the surface of a commercial screen-printed carbon electrode (SPCE) to obtain three different SPCE-modified AuNRs (SPCE-A400, SPCE-A600, and SPCE-A800, respectively). All SPCE-modified AuNRs were then evaluated for their electrochemical behavior using cyclic voltammetry and electrochemical impedance spectroscopy (EIS) techniques and the highest electrochemical performance was shown as the order of magnitude of SPCE-A400 > SPCE-A600/SPCE-A800. The reason for the highest electrocatalytic activity of SPCE-A400 might be due to the smallest particle size and uniform distribution of AuNRs ∼ 2.2, which enhanced the charge transfer, thus providing the highest electroactive surface area (0.6685 cm2) compared to other electrodes. These results also confirm that the sensing mechanism for all SPCE-modified AuNRs is controlled by diffusion phenomena. In addition, the optimum pH was obtained as 4 for carbaryl detection for all SPCE-modified AuNRs with the highest current shown by SPCE-A400. Furthermore, SPCE-A400 has the highest fundamental parameters (surface coverage, catalytic rate constant, electron transfer rate constant, and adsorption capacity) for carbaryl detection, which were investigated using cyclic voltammetry and chronoamperometric techniques. The electroanalytical performances of all SPCE-modified AuNRs for carbaryl detection were also investigated with SPCE-A400 displaying the best performance among other electrodes in terms of its linearity (0.2-100 μM), limit of detection (LOD) ∼ 0.07 μM, and limit of quantification (LOQ) ∼ 0.2 μM. All SPCE-modified AuNRs were also subsequently evaluated for their stability, reproducibility, and selectivity in the presence of interfering species such as NaNO2, NH4NO3, Zn(CH3CO2)2, FeSO4, diazinon, and glucose and show reliable results as depicted from %RSD values less than 3%. At last, all SPCE-modified AuNRs have been employed for carbaryl detection using a standard addition technique in three different samples of vegetables (cabbage, cucumber, and Chinese cabbage) with its results (%recovery ≈ 100%) within the acceptable analytical range. In conclusion, this work demonstrates the great potential of a disposable device based on an AuNR-modified SPCE for rapid detection and high sensitivity in monitoring the concentration of carbaryl as a residual pesticide in vegetable samples.
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Affiliation(s)
- Wulan Tri Wahyuni
- Analytical
Chemistry Division, Department of Chemistry, Faculty of Mathematics
and Natural Sciences, Kampus IPB Dramaga, Bogor 16680, Indonesia
- Tropical
Biopharmaca Research Center, Institute of Research and Community Empowerment, IPB University, Bogor 16680, Indonesia
| | - Budi Riza Putra
- Research
Center for Metallurgy, National Research
and Innovation Agency (BRIN), PUSPIPTEK Gd. 470, South
Tangerang, Banten 15315, Indonesia
| | - Hemas Arif Rahman
- Analytical
Chemistry Division, Department of Chemistry, Faculty of Mathematics
and Natural Sciences, Kampus IPB Dramaga, Bogor 16680, Indonesia
| | - Tribidasari A. Ivandini
- Department
of Chemistry, Faculty of Mathematics and Natural Sciences, University of Indonesia, Depok 16424, Indonesia
| | - Irkham
- Department
of Chemistry, Faculty of Mathematics and Natural Sciences, University of Padjajaran, Bandung 45363, Indonesia
| | - Munawar Khalil
- Department
of Chemistry, Faculty of Mathematics and Natural Sciences, University of Indonesia, Depok 16424, Indonesia
| | - Isnaini Rahmawati
- Department
of Chemistry, Faculty of Mathematics and Natural Sciences, University of Indonesia, Depok 16424, Indonesia
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