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Abu Bakar N, Fronzi M, Shapter JG. Surface-Enhanced Raman Spectroscopy Using a Silver Nanostar Substrate for Neonicotinoid Pesticides Detection. SENSORS (BASEL, SWITZERLAND) 2024; 24:373. [PMID: 38257464 PMCID: PMC10820608 DOI: 10.3390/s24020373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/04/2024] [Accepted: 01/06/2024] [Indexed: 01/24/2024]
Abstract
Surface-enhanced Raman spectroscopy (SERS) has been introduced to detect pesticides at low concentrations and in complex matrices to help developing countries monitor pesticides to keep their concentrations at safe levels in food and the environment. SERS is a surface-sensitive technique that enhances the Raman signal of molecules absorbed on metal nanostructure surfaces and provides vibrational information for sample identification and quantitation. In this work, we report the use of silver nanostars (AgNs) as SERS-active elements to detect four neonicotinoid pesticides (thiacloprid, imidacloprid, thiamethoxam and nitenpyram). The SERS substrates were prepared with multiple depositions of the nanostars using a self-assembly approach to give a dense coverage of the AgNs on a glass surface, which ultimately increased the availability of the spikes needed for SERS activity. The SERS substrates developed in this work show very high sensitivity and excellent reproducibility. Our research opens an avenue for the development of portable, field-based pesticide sensors, which will be critical for the effective monitoring of these important but potentially dangerous chemicals.
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Affiliation(s)
- Norhayati Abu Bakar
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
- Institute of Microengineering and Nanoelectronic, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor 43600, Malaysia
| | - Marco Fronzi
- School of Chemical and Biomedical Engineering, University of Melbourne, Parkville, VIC 3010, Australia;
| | - Joseph George Shapter
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
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Zhang C, Qiu M, Wang J, Liu Y. Recent Advances in Nanoparticle-Based Optical Sensors for Detection of Pesticide Residues in Soil. BIOSENSORS 2023; 13:bios13040415. [PMID: 37185490 PMCID: PMC10136432 DOI: 10.3390/bios13040415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/11/2023] [Accepted: 03/17/2023] [Indexed: 05/17/2023]
Abstract
The excessive and unreasonable use of pesticides has adversely affected the environment and human health. The soil, one of the most critical natural resources supporting human survival and development, accumulates large amounts of pesticide residues. Compared to traditional spectrophotometry analytical methods, nanoparticle-based sensors stand out for their simplicity of operation as well as their high sensitivity and low detection limits. In this review, we focus primarily on the functions that various nanoparticles have and how they can be used to detect various pesticide residues in soil. A detailed discussion was conducted on the properties of nanoparticles, including their color changeability, Raman enhancement, fluorescence enhancement and quenching, and catalysis. We have also systematically reviewed the methodology for detecting insecticides, herbicides, and fungicides in soil by using nanoparticles.
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Affiliation(s)
- Chunhong Zhang
- Xi'an Key Laboratory of Advanced Control and Intelligent Process, School of Automation, Xi'an University of Posts & Telecommunications, Xi'an 710121, China
| | - Mingle Qiu
- Xi'an Key Laboratory of Advanced Control and Intelligent Process, School of Automation, Xi'an University of Posts & Telecommunications, Xi'an 710121, China
| | - Jinglin Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Yongchun Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
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Liquid Surface-Enhanced Raman Spectroscopy (SERS) Sensor-Based Au-Ag Colloidal Nanoparticles for Easy and Rapid Detection of Deltamethrin Pesticide in Brewed Tea. CRYSTALS 2021. [DOI: 10.3390/cryst12010024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Deltamethrin pesticides can cause inflammation, nephrotoxicity and hepatotoxicity as well as affect the activity of antioxidant enzymes in tissues. As a result of this concern, there is a rising focus on the development of fast and reliable pesticide residue testing to minimise potential risks to humans. The goal of this study is to use Au-Ag colloid nanoparticles as liquid surface-enhanced Raman spectroscopy (SERS) to improve the Raman signal in the detection of deltamethrin pesticide in a brewed tea. The liquid SERS system is fascinating to study due to its ease of use and its unlikeliness to cause several phenomena, such as photo-bleaching, combustion, sublimation and even photo-catalysis, which can interfere with the Raman signal, as shown in the SERS substrate. Our liquid SERS system is simpler than previous liquid SERS systems that have been reported. We performed the detection of pesticide analyte directly on brewed tea, without diluting it with ethanol or centrifuging it. Femtosecond laser-induced photo-reduction was employed to synthesise the liquid SERS of Au, Au-Ag, and Ag colloidal nanoparticles. The SERS was utilised to detect deltamethrin pesticide in brewed tea. The result showed that liquid SERS-based Ag NPs significantly enhance the Raman signal of pesticides compared with liquid SERS-based Au NPs and Au-Ag Nanoalloys. The maximum residue limits (MRLs) in tea in Indonesia are set at 10 ppm. Therefore, this method was also utilised to detect and improve, to 0.01 ppm, the deltamethrin pesticide Limit of Detection (LOD).
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Sahu DK, Banjare MK, Banjare RK, Goswami J, Rai J, Rai MK, Bhatt C, Nirmal M, Wani K, Patel S, Singh TV. Colorimetric technique for the detection of carbofuran and its application in various environmental samples. J INDIAN CHEM SOC 2021; 98:100261. [DOI: https:/doi.org/10.1016/j.jics.2021.100261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2023]
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Mi S, Ji L, Yu H, Guo Y, Cheng Y, Yang F, Yao W, Xie Y. Zero-Background Surface-Enhanced Raman Scattering Detection of Cymoxanil Based on the Change of the Cyano Group after Ultraviolet Irradiation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:520-527. [PMID: 33356226 DOI: 10.1021/acs.jafc.0c06231] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A zero-background method based on surface-enhanced Raman scattering (SERS) was developed for the rapid determination of cymoxanil residue in food. Because of the influence of complex matrices, conventional Raman spectroscopy has multiple peaks that overlap with those of target molecules, which makes qualitative and quantitative detection difficult. However, the cyano group (C≡N) of cymoxanil after ultraviolet irradiation has a special characteristic peak in the Raman-silent region (1800-2800 cm-1), which eliminates the possible background interference. The intensity of the characteristic peak at 2130 cm-1 exhibited a good linear relationship (R2 = 0.9907) with the concentration of cymoxanil in the range of 1.0-50.0 mg/L, whose limit of detection was 0.5 mg/L. The novel method was also applied to the detection of cymoxanil residue in real samples such as cucumber and grape, and the results were in good agreement with those from high-performance liquid chromatography analysis. This revealed that the SERS method has great potential in the detection of cymoxanil in fruits and vegetables. Moreover, ultraperformance liquid chromatography-quadrupole-time-of-flight-mass spectrometry (UPLC-QTOF/MS) was adopted to identify the photoproducts of cymoxanil. The photolysis mechanism was explored by SERS and the UPLC-QTOF/MS technique, which provided basic information on photodegradation of cymoxanil.
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Affiliation(s)
- Shuna Mi
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province 214122, China
| | - Lijun Ji
- Suzhou Institute of Production Quality Supervision and Inspection, Suzhou, Jiangsu Province 215128, China
| | - Hang Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Qingdao Special Food Research Institute, Qingdao, Shandong Province 266109, China
| | - Yahui Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province 214122, China
| | - Yuliang Cheng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province 214122, China
| | - Fangwei Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Qingdao Special Food Research Institute, Qingdao, Shandong Province 266109, China
| | - Weirong Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Qingdao Special Food Research Institute, Qingdao, Shandong Province 266109, China
| | - Yunfei Xie
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province 214122, China
- Qingdao Special Food Research Institute, Qingdao, Shandong Province 266109, China
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Highly sensitive label-free bio-interfacial colorimetric sensor based on silk fibroin-gold nanocomposite for facile detection of chlorpyrifos pesticide. Sci Rep 2020; 10:4198. [PMID: 32144298 PMCID: PMC7060252 DOI: 10.1038/s41598-020-61130-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 02/21/2020] [Indexed: 11/17/2022] Open
Abstract
Herein, the preparation of gold nanoparticles-silk fibroin (SF-AuNPs) dispersion and its label-free colorimetric detection of the organophosphate pesticide, namely chlorpyrifos, at ppb level are reported. The silk fibroin solution was extracted from B. mori silk after performing degumming, dissolving and dialysis steps. This fibroin solution was used for synthesis of gold nanoparticles in-situ without using any external reducing and capping agent. X-ray Diffractometry (XRD), Field Emission Transmission Electron Microscopy (FETEM) along with Surface Plasmon Resonance based optical evaluation confirmed generation of gold nanoparticles within SF matrix. The resultant SF-AuNPs dispersion exhibited rapid and excellent colorimetric pesticide sensing response even at 10 ppb concentration. Effect of additional parameters viz. pH, ionic concentration and interference from other pesticide samples was also studied. Notably, SF-AuNPs dispersion exhibited selective colorimetric pesticide sensing response which can be calibrated. Furthermore, this method was extended to various simulated real life samples such as tap water, soil and agricultural products including plant residues to successfully detect the presence of chlorpyrifos pesticide. The proposed colorimetric sensor system is facile yet effective and can be employed by novice rural population and expert researchers alike. It can be exploited as preliminary tool for label-free colorimetric chlorpyrifos pesticide sensing in water and agricultural products.
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Xiao S, He Y. Analysis of Sildenafil in Liquor and Health Wine Using Surface Enhanced Raman Spectroscopy. Int J Mol Sci 2019; 20:ijms20112722. [PMID: 31163601 PMCID: PMC6600386 DOI: 10.3390/ijms20112722] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 05/29/2019] [Accepted: 05/31/2019] [Indexed: 12/13/2022] Open
Abstract
The illegal adulteration of sildenafil in herbal food supplements and alcoholic drinks immensely threatens human health due to its harmful side-effects. Therefore, it is important to accurately detect and identify the presence of sildenafil in alcoholic drinks. In this study, Opto Trace Raman 202 (OTR 202) was used as surface enhanced Raman spectroscopy (SERS) active colloids to detect sildenafil. The results demonstrated that the Raman enhancement factor (EF) of OTR 202 colloids reached 1.84 × 107 and the limits of detection (LODs) of sildenafil in health wine and liquor were found to be as low as 0.1 mg/L. Moreover, the SERS peaks of 645, 814, 1235, 1401, 1530 and 1584 cm−1 could be qualitatively determined as sildenafil characteristic peaks and the relationship between Raman peak intensity and sildenafil concentration in health wine and liquor were different. There was a good linear correlation between Raman peak intensity, and sildenafil concentration in health wine ranged 0.1–1 mg/L (0.9687< R2 < 0.9891) and 1–10 mg/L (0.9701 < R2 < 0.9840), and in liquor ranged 0.1–1 mg/L (0.9662 < R2 < 0.9944) and 1–20 mg/L (0.9625 < R2 < 0.9922). The relative standard deviations (RSD) were less than 5.90% (sildenafil in health wine) and 9.16% (sildenafil in liquor). The recovery ranged 88.92–104.42% (sildenafil in health wine) and 90.09–104.55% (sildenafil in liquor). In general, the sildenafil in health wine and liquor could be rapidly and quantitatively determined using SERS technique, which offered a simple and accurate alternative for the determination of sildenafil in alcoholic drinks.
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Affiliation(s)
- Shupei Xiao
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Zhejiang University, Hangzhou 310058, China.
| | - Yong He
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Zhejiang University, Hangzhou 310058, China.
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