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Huang X, Huang J, Lu M, Liu Y, Jiang G, Chang M, Xu W, Dai Z, Zhou C, Hong P, Li C. In situ surface-enhanced Raman spectroscopy for the detection of nanoplastics: A novel approach inspired by the aging of nanoplastics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174249. [PMID: 38936740 DOI: 10.1016/j.scitotenv.2024.174249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 05/29/2024] [Accepted: 06/22/2024] [Indexed: 06/29/2024]
Abstract
Nanoplastics (NPs) present a hidden risk to organisms and the environment via migration and enrichment. Detecting NPs remains challenging because of their small size, low ambient concentrations, and environmental variability. There is an urgency to exploit detection approaches that are more compatible with real-world environments. Herein, this study provides a surface-enhanced Raman spectroscopy (SERS) technique for the in situ reductive generation of silver nanoparticles (Ag NPs), which is based on photoaging-induced modifications in NPs. The feasibility of generating Ag NPs on the surface of NPs was derived by exploring the photoaging mechanism, which was then utilized to SERS detection. The approach was applied successfully for the detection of polystyrene (PS), polyvinyl chloride (PVC), and polyethylene terephthalate (PET) NPs with excellent sensitivity (e.g., as low as 1 × 10-6 mg/mL for PVC NPs, and an enhancement factor (EF) of up to 2.42 × 105 for small size PS NPs) and quantitative analytical capability (R2 > 0.95579). The method was successful in detecting NPs (PS NPs) in lake water. In addition, satisfactory recoveries (93.54-105.70 %, RSD < 12.5 %) were obtained by spiking tap water as well as lake water, indicating the applicability of the method to the actual environment. Therefore, the proposed approach offers more perspectives for testing real environmental NPs.
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Affiliation(s)
- Xiaoxin Huang
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Zhanjiang 524088, China
| | - Jinchan Huang
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China
| | - Meilin Lu
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China
| | - Yu Liu
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China
| | - Guangzheng Jiang
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Zhanjiang 524088, China
| | - Min Chang
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China
| | - Wenhui Xu
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Zhanjiang 524088, China
| | - Zhenqing Dai
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China; Shenzhen Institute of Guangdong Ocean University, Shenzhen 518108, China.
| | - Chunxia Zhou
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Zhanjiang 524088, China
| | - Pengzhi Hong
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Zhanjiang 524088, China
| | - Chengyong Li
- School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China; Shenzhen Institute of Guangdong Ocean University, Shenzhen 518108, China; Guangdong Provincial Key Laboratory of Intelligent Equipment for South China Sea Marine Ranching, Guangdong Ocean University, Zhanjiang 524088, China; Guangdong Provincial Observation and Research Station for Tropical Ocean Environment in Western Coastal Water, Guangdong Ocean University, Zhanjiang 524088, China.
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Meng Z, Zhu L, Wang J, Li T, He C, Liu R, Hui G, Zhao B. TiO 2 nanofilms for surface-enhanced Raman scattering analysis of urea. Talanta 2024; 279:126664. [PMID: 39098238 DOI: 10.1016/j.talanta.2024.126664] [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: 05/04/2024] [Revised: 07/15/2024] [Accepted: 07/31/2024] [Indexed: 08/06/2024]
Abstract
In this study, titanium dioxide (TiO2) nanofilms with nanoparticle structure were grown in situ on metallic aluminum (Al) sheets using a simple sol-hydrothermal method. Al sheets were chosen because they can form Schottky junctions with TiO2 during the calcination process, thus achieving a tight bonding between the nanoparticles and the solid substrate, which cannot be achieved with conventional glass substrates. The substrates synthesized with different contents of titanium butoxide [Ti(OBu)4] were investigated using 4-mercaptobenzoic acid as a probe molecule, and the results showed that the substrate with 9 % of the total volume of Ti(OBu)4 had the highest surface-enhanced Raman scattering (SERS) performance. As a low-cost SERS substrate that is simple to synthesize, it has excellent signal reproducibility, with a relative standard deviation of 4.51 % for the same substrate and 6.43 % for different batches of synthesized substrates. Meanwhile, the same batch of substrate can be stored at room temperature for at least 20 weeks and still maintain stable SERS signals. In addition, the synthetic substrate was used to quantitatively detect urea with a detection limit of 4.23 × 10-3 mol/L, which is comparable to the application of noble metal substrates. The feasibility of this method was verified in human urine, and the results were consistent with the clinical results, indicating that this method has great potential for clinical application.
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Affiliation(s)
- Zhen Meng
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, PR China
| | - Lin Zhu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, PR China
| | - Jihong Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, PR China
| | - Tingmiao Li
- China-Japan Union Hospital of Jilin University, Changchun, 130033, PR China
| | - Chengyan He
- China-Japan Union Hospital of Jilin University, Changchun, 130033, PR China
| | - Rui Liu
- China-Japan Union Hospital of Jilin University, Changchun, 130033, PR China.
| | - Ge Hui
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun, 130017, PR China.
| | - Bing Zhao
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, PR China.
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Xiong L, Duan S, Wang W, Yao Y, Zhang H, Liu B, Lin W, Liu H, Wu J, Lu L, Zhang X. ZIF-8 functionalized S-tapered fiber-optic sensor for polystyrene nanoplastics detection by electrostatic adsorption. Talanta 2024; 275:126168. [PMID: 38678924 DOI: 10.1016/j.talanta.2024.126168] [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: 01/26/2024] [Revised: 04/11/2024] [Accepted: 04/25/2024] [Indexed: 05/01/2024]
Abstract
Microplastic (MP) residues in marine have become an increasingly serious environmental pollution issue, and in recent years the detection of MPs in marine started to attract worldwide research interests. Optical-fiber-based environmental sensors have been extensively employed for their several merits such as high sensitivity, pressure resistance, compactness and ease of constructing communication networks. However, fiber-optic refractive index sensors are not specifically developed for distinguishing MPs from other inorganic particles suspended in water. In this paper, an metal-organic framework (MOF) ZIF-8 functionalized S-tapered fiber (STF) sensor is proposed for specific detection of polystyrene nanoplastics (PSNPs) in aqueous environment. ZIF-8 coordination nanoporous polymers with different film thickness were immobilized over the surface of the fabricated STF structure based on self-growth technique and yielding a large surface area over the sensor surface. High sensitivity detection can be achieved by converting the concentration perturbation of PSNPs into evanescent waves over the ZIF-8 functionalized STF surface through the strong electrostatic adsorption effect and π-π stacking, while the fabricated sensor is insensitive to gravels with silica as the primary component in water. It is found that the proposed detector with 18 film layers achieves a sensitivity up to 114.1353nm/%(w/v) for the PSNPs concentration range of 0.01 %(w/v) to 0.08 %(w/v).
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Affiliation(s)
- Lingyi Xiong
- Institute of Modern Optics, Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Nankai University, Tianjin, 300350, China
| | - Shaoxiang Duan
- Institute of Modern Optics, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, Nankai University, Tianjin, 300350, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, 519000, China.
| | - Wenyu Wang
- Institute of Modern Optics, Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Nankai University, Tianjin, 300350, China
| | - Yuan Yao
- Institute of Modern Optics, Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Nankai University, Tianjin, 300350, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, 519000, China
| | - Hao Zhang
- Institute of Modern Optics, Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Nankai University, Tianjin, 300350, China
| | - Bo Liu
- Institute of Modern Optics, Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Nankai University, Tianjin, 300350, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, 519000, China
| | - Wei Lin
- Institute of Modern Optics, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, Nankai University, Tianjin, 300350, China
| | - Haifeng Liu
- Institute of Modern Optics, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, Nankai University, Tianjin, 300350, China
| | - Jixuan Wu
- Tianjin Key Laboratory of Optoelectronic Detection Technology and Systems, School of Electronics and Information Engineering, Tiangong University, Tianjin, 300387, China
| | - Lan Lu
- Center for Policy & Project Research, Sansha, 570100, China
| | - Xu Zhang
- Institute of Modern Optics, Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Nankai University, Tianjin, 300350, China
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Chang L, Bai S, Wei P, Gao X, Dong J, Zhou B, Peng C, Jia J, Luan T. Quantitative detecting low concentration polystyrene nanoplastics in aquatic environments via an Ag/Nb 2CT x (MXene) SERS substrate. Talanta 2024; 273:125859. [PMID: 38447341 DOI: 10.1016/j.talanta.2024.125859] [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: 11/20/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 03/08/2024]
Abstract
In this study, the plasmonic Ag nanoparticles (Ag NPs) were uniformly anchored on the high conductivity Nb2CTx (MXene) nanosheets to construct an Ag/Nb2CTx substrate for surface-enhanced Raman spectroscopy (SERS) detection of polystyrene (PS) nanoplastics. The KI addition (0.15 mol/L), the volume ratio between substrate colloid and nanoplastic suspension (2:1), and the mass ratio of Nb2CTx in substrate (14%) on SERS performance were optimized. The EM hot spots of Ag/Nb2CTx are significantly enlarged and enhanced, elucidated by FDFD simulation. Then, the linear relationship between the PS nanoplastics concentration with three different sizes (50, 300, and 500 nm) and the SERS intensity was obtained (R2 > 0.976), wherein, the detection limit was as low as 10-4 mg/mL for PS nanoplastic. Owing to the fingerprint feature, the Ag/Nb2CTx-14% substrate successfully discerns the mixtures from two-component nanoplastics. Meanwhile, it exhibits excellent stability of PS nanoplastics on different detection sites. The recovery rates of PS nanoplastics with different sizes in lake water ranged from 94.74% to 107.29%, with the relative standard deviation (RSD) ranging from 2.88% to 8.30%. Based on this method, the expanded polystyrene (EPS) decomposition behavior was evaluated, and the PS concentrations in four water environments were analyzed. This work will pave the way for the accurate quantitative detection of low concentration of nanoplastics in aquatic environments.
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Affiliation(s)
- Lekai Chang
- School of Environmental and Chemical Engineering, Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, Wuyi University, Jiangmen, 529020, Guangdong, China
| | - Shuli Bai
- School of Environmental and Chemical Engineering, Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, Wuyi University, Jiangmen, 529020, Guangdong, China
| | - Ping Wei
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, 529020, Guangdong, China
| | - Xingyue Gao
- School of Environmental and Chemical Engineering, Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, Wuyi University, Jiangmen, 529020, Guangdong, China
| | - Jinfeng Dong
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, 529020, Guangdong, China
| | - Bingpu Zhou
- Institute of Applied Physics and Materials Engineering, University of Macau, Macao SAR, 999078, China
| | - Chao Peng
- School of Environmental and Chemical Engineering, Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, Wuyi University, Jiangmen, 529020, Guangdong, China; Institute of Carbon Peaking and Carbon Neutralization, Wuyi University, Jiangmen, 529020, Guangdong, China; Guangdong Laboratory of Chemistry and Fine Chemical Industry Jieyang Center, Jieyang, 515200, Guangdong, China.
| | - Jianbo Jia
- School of Environmental and Chemical Engineering, Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, Wuyi University, Jiangmen, 529020, Guangdong, China; Institute of Carbon Peaking and Carbon Neutralization, Wuyi University, Jiangmen, 529020, Guangdong, China; Guangdong Laboratory of Chemistry and Fine Chemical Industry Jieyang Center, Jieyang, 515200, Guangdong, China
| | - Tiangang Luan
- School of Environmental and Chemical Engineering, Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, Wuyi University, Jiangmen, 529020, Guangdong, China; Institute of Carbon Peaking and Carbon Neutralization, Wuyi University, Jiangmen, 529020, Guangdong, China; Guangdong Laboratory of Chemistry and Fine Chemical Industry Jieyang Center, Jieyang, 515200, Guangdong, China
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Yang B, Liu J, Zhang F, Wang Y, Liu X, Niu S, Yuan Y, Bi S. Sensitive detection of dextromethorphan hydrobromide based on portable Raman spectrometer and CuO@AgNPs nano composite SERS substrate. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 308:123798. [PMID: 38134660 DOI: 10.1016/j.saa.2023.123798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/14/2023] [Accepted: 12/16/2023] [Indexed: 12/24/2023]
Abstract
A highly sensitive surface-enhanced Raman spectroscopy approach was established for the detection of dextromethorphan hydrobromide (DXM) utilizing nano CuO modified silver nanoparticles (CuO@AgNPs) as substrate. Ultraviolet visible spectra (UV-vis), X-ray diffraction (XRD) and transmission electron microscopy (TEM) characterized the synthesized CuO@AgNPs. UV-vis and fourier transform infrared (FT-IR) were adopted to investigate the interaction between DXM and CuO@AgNPs. The optimal experimental conditions (the dosages of CuO@AgNPs and NaCl as well as mixing time) were explored. The enhancement factor (EF) was 1.71 × 106. The linear relationship between SERS intensity and the concentration of DXM in the range of 67 - 1000 nmol L-1 was obtained as ISERS = 25.81 c + 40398.77, and the limit of detection (LOD) was 2.12 nmol L-1 (S/N = 3). The interference of K+, Mg2+, Zn2+, Ca2+, Cu2+, Fe3+, glucose, HSA, L-tryptophan, soluble starch and ibuprofen were investigated. The method was successfully applied to test DXM in serum samples. The recovery was 99.06% - 101.51% with the relative standard deviation (RSD) of 0.74% - 3.87%.
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Affiliation(s)
- Bin Yang
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Jia Liu
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Fengming Zhang
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Yuting Wang
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Xin Liu
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Shiyue Niu
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Yue Yuan
- College of Chemistry, Changchun Normal University, Changchun 130032, China
| | - Shuyun Bi
- College of Chemistry, Changchun Normal University, Changchun 130032, China.
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Chang YC, Lin IC, Chin NC, Juang SE, Chou CM. Na 2Ti 3O 7@RF@Ag Heterostructures as Efficient Substrates for SERS and Photocatalytic Applications. Molecules 2023; 29:218. [PMID: 38202801 PMCID: PMC10780028 DOI: 10.3390/molecules29010218] [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: 11/09/2023] [Revised: 12/18/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
A multi-step procedure was effectively employed to synthesize innovative three-dimensional (3D) heterostructures encompassing sodium titanate (Na2Ti3O7) nanowire cores, an intermediate resorcinol-formaldehyde (RF) layer, and outer silver (Ag) nanoparticle sheaths, referred to as Na2Ti3O7@RF@Ag heterostructures. Initially, a one-step hydrothermal technique facilitated the direct growth of single-crystal Na2Ti3O7 nanowires onto a flexible Ti foil. Subsequently, a two-step wet chemical process facilitated the sequential deposition of an RF layer and Ag nanoparticles onto the Na2Ti3O7 nanowires at a low reaction temperature. Optimal concentrations of silver nitrate and L-ascorbic acid can lead to the cultivation of Na2Ti3O7@RF@Ag heterostructures exhibiting heightened surface-enhanced Raman scattering (SERS), which is particularly beneficial for the detection of rhodamine B (RhB) molecules. This phenomenon can be ascribed to the distinctive geometry of the Na2Ti3O7@RF@Ag heterostructures, which offer an increased number of hot spots and surface-active sites, thereby showcasing notable SERS enhancement, commendable reproducibility, and enduring stability over the long term. Furthermore, the Na2Ti3O7@RF@Ag heterostructures demonstrate remarkable follow-up as first-order chemical kinetic and recyclable photocatalysts for the photodecomposition of an RhB solution under UV light irradiation. This result can be attributed to the enhanced inhibition of electron-hole pair recombination and increased surface-active sites.
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Affiliation(s)
- Yu-Cheng Chang
- Department of Materials Science and Engineering, Feng Chia University, Taichung 40724, Taiwan; (I.-C.L.); (N.-C.C.); (S.-E.J.)
| | - I-Chun Lin
- Department of Materials Science and Engineering, Feng Chia University, Taichung 40724, Taiwan; (I.-C.L.); (N.-C.C.); (S.-E.J.)
| | - Ning-Chien Chin
- Department of Materials Science and Engineering, Feng Chia University, Taichung 40724, Taiwan; (I.-C.L.); (N.-C.C.); (S.-E.J.)
- Department of Orthopedics, Antai Tian-Sheng Memorial Hospital, Antai Medical Care Corporation, Pingtung 92842, Taiwan
| | - Sin-Ei Juang
- Department of Materials Science and Engineering, Feng Chia University, Taichung 40724, Taiwan; (I.-C.L.); (N.-C.C.); (S.-E.J.)
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Chia-Man Chou
- Department of Surgery, Taichung Veterans General Hospital, Taichung 40705, Taiwan
- College of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Post-Baccalaureate Medicine, National Chung Hsing University, Taichung 40227, Taiwan
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