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Yang Y, Li Y, Xie Q, Jiang B, Li J, Xie Y, Ji W. Evaluating the Kinetics and Molecular Mechanism for Biomimetic Metabolic Activation of PAHs by Surface-Enhanced Raman Scattering Spectroscopy. Anal Chem 2024; 96:10365-10372. [PMID: 38869249 DOI: 10.1021/acs.analchem.4c01437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
Biomimetic cytochrome P450 for chemical activation of environmental carcinogens is an efficient in vitro model for evaluating their mutagenicity and ultimately acquiring the metabolites that cannot be easily accessed by conventional routes of organic synthesis. Different kinds of mutagen derived from polyaromatic hydrocarbons (PAHs) by metalloporphyrin/oxidant model systems have been reported, but the underlying molecular mechanisms are poorly understood. Herein, we have for the first time demonstrated an effective surface-enhanced Raman scattering (SERS) protocol to study the dynamics and biomimetic metabolic behaviors of pyrene (Pyr) in the presence of various oxygen donors. Quantitative information on the relative concentration of Pyr and its metabolites in the biomimetic system can be extracted from the SERS spectra. On the basis of our results, we conclude that the oxidative metabolism of Pyr is highly influenced by the types and concentrations of oxygen donors, leading to the formation of 1-hydroxypyrene and dioxygenated products. Besides, the addition of an appropriate amount of an organic solvent can promote the formation of secondary oxidation products. These results offer valuable insights into the dynamics of PAHs metabolism and the regulation of their metabolic pathways in biomimetic activation. In comparison to traditional liquid chromatography-mass spectrometry, the present SERS approach is more suitable for high-throughput evaluation of the metabolic process and kinetics of PAHs. We anticipate that this approach will enable a more general and comprehensive tracking of metabolic dynamics and molecular mechanisms involved in the biomimetic activation of other xenobiotics, such as procarcinogens, promutagens, and drugs.
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Affiliation(s)
- Yang Yang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 145040, China
| | - Yifan Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 145040, China
| | - Qinhui Xie
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 145040, China
| | - Bo Jiang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 145040, China
| | - Junbo Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 145040, China
| | - Yunfei Xie
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wei Ji
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 145040, China
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K S, Manian R. Bioremediation of polycyclic aromatic hydrocarbons contaminated soils: recent progress, perspectives and challenges. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1441. [PMID: 37946088 DOI: 10.1007/s10661-023-12042-7] [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: 06/14/2023] [Accepted: 10/27/2023] [Indexed: 11/12/2023]
Abstract
The life of all creatures is supported directly or indirectly by soil, which is a significant environmental matrix. The soil has been polluted partly due to increased human activities and population growth, releasing several foreign substances and persistent contaminants. When toxic substances like polycyclic aromatic hydrocarbons (PAHs) are disposed of, the characteristics of the soil are changed, microbial biodiversity is impacted, and items are destroyed. Because of the mutagenicity, carcinogenicity, and toxicity of petroleum hydrocarbons, the restoration and cleanup of PAH-polluted areas represent a severe technological and environmental challenge for long-term growth and development. Although there are several ways to clean up PAH-contaminated soils, much attention is paid to intriguing bacteria, fungus, and their enzymes. Various factors influence PAH breakdown, including pH, temperature, airflow, moisture level, nutrient availability, and degrading microbial populations. This review discusses how PAHs affect soil characteristics and shows that secondary metabolite and carbon dioxide decomposition are produced due to microbial breakdown processes. Furthermore, the advantages of bioremediation strategies were assessed for correct evaluation and considered dependable on each legislative and scientific research level, as analyzed in this review.
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Affiliation(s)
- Sumathi K
- Department of Biotechnology, School of Biosciences and Technology, VIT University: Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Rameshpathy Manian
- Department of Biotechnology, School of Biosciences and Technology, VIT University: Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
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3
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Atta S, Li JQ, Vo-Dinh T. Multiplex SERS detection of polycyclic aromatic hydrocarbon (PAH) pollutants in water samples using gold nanostars and machine learning analysis. Analyst 2023; 148:5105-5116. [PMID: 37671999 DOI: 10.1039/d3an00636k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) have attracted a lot of environmental concern because of their carcinogenic and mutagenic properties, and the fact they can easily contaminate natural resources such as drinking water and river water. This study presents a simple and sensitive point-of-care SERS detection of PAHs combined with machine learning algorithms to predict the PAH content more precisely and accurately in real-life samples such as drinking water and river water. We first synthesized multibranched sharp-spiked surfactant-free gold nanostars (GNSs) that can generate strong surface-enhanced Raman scattering (SERS) signals, which were further coated with cetyltrimethylammonium bromide (CTAB) for long-term stability of the GNSs as well as to trap PAHs. We utilized CTAB-capped GNSs for solution-based 'mix and detect' SERS sensing of various PAHs including pyrene (PY), nitro-pyrene (NP), anthracene (ANT), benzo[a]pyrene (BAP), and triphenylene (TP) spiked in drinking water and river water using a portable Raman module. Very low limits of detection (LOD) were achieved in the nanomolar range for the PAHs investigated. More importantly, the detected SERS signal was reproducible for over 90 days after synthesis. Furthermore, we analyzed the SERS data using artificial intelligence (AI) with machine learning algorithms based on the convolutional neural network (CNN) model in order to discriminate the PAHs in samples more precisely and accurately. Using a CNN classification model, we achieved a high prediction accuracy of 90% in the nanomolar detection range and an f1 score (harmonic mean of precision and recall) of 94%, and using a CNN regression model, achieved an RMSEconc = 1.07 × 10-1 μM. Overall, our SERS platform can be effectively and efficiently used for the accurate detection of PAHs in real-life samples, thus opening up a new, sensitive, selective, and practical approach for point-of-need SERS diagnosis of small molecules in complex practical environments.
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Affiliation(s)
- Supriya Atta
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC 27708, USA.
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Joy Qiaoyi Li
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC 27708, USA.
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Tuan Vo-Dinh
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC 27708, USA.
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
- Department of Chemistry, Duke University, Durham, NC 27708, USA
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Wang S, Yu Q, Guo J, Yuan C, Kong X. On-site detection of pyrene from mixture with ppb level sensitivity by plasmonic TLC-DSERS. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 280:121547. [PMID: 35785708 DOI: 10.1016/j.saa.2022.121547] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 06/18/2022] [Accepted: 06/20/2022] [Indexed: 06/15/2023]
Abstract
Polycyclic aromatic hydrocarbons are a kind of persistent organic pollutants, which bring harmful effects to the ecological environment and human health. Therefore, it is critical to identify PAHs. In this study, we developed a highly efficient device for on-site identification of pyrene in edible oil using high performance plasmonic thin layer chromatography (PTLC) and dynamic surface-enhanced Raman spectroscopy (DSERS). PAHs in the mixture sample were efficiently separated on the PTLC plate and visualized under UV light, in which the plasmonic feature of the stationary phase could enhance the fluorescence of PAH. Then DSERS measurement was developed on a portable Raman spectrometer. The smaller size of Au NPs in the stationary phase could provide a lower theoretical plate height and provide higher separation efficiency. The sensitivity of the PTLC-DSERS method is down to 0.1 ppb, that nearly 4 orders of magnitude higher than current TLC-SERS method. The results indicate that this PTLC-DSERS method has the potential for on-site and sensitive identification of pyrene in the mixture.
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Affiliation(s)
- Shengjun Wang
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun, Liaoning 113001, PR China
| | - Qian Yu
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun, Liaoning 113001, PR China
| | - Jiaqi Guo
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and Joint International Research Lab of Lignocellulosic Functional Materials, Nanjing Forestry University, Nanjing 210037, PR China
| | - Changquan Yuan
- Petrochina Fushun Petrochemical Company Catalyst Factory, Fushun 113001, PR China
| | - Xianming Kong
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun, Liaoning 113001, PR China.
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Kong D, Cai T, Fan H, Hu H, Wang X, Cui Y, Wang D, Wang Y, Hu H, Wu M, Xue Q, Yan Z, Li X, Zhao L, Xing W. Polycyclic Aromatic Hydrocarbons as a New Class of Promising Cathode Materials for Aluminum‐Ion Batteries. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dongqing Kong
- State Key Laboratory of Heavy Oil Processing China University of Petroleum Qingdao 266580 P. R. China
- Weifang Key Lab of Advanced Light Materials Manufacturing and Forming Weifang University of Science and Technology Weifang 262700 P. R. China
| | - Tonghui Cai
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Haodong Fan
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Haoyu Hu
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Xiaohui Wang
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Yongpeng Cui
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Dandan Wang
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Yesheng Wang
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Han Hu
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Mingbo Wu
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Qingzhong Xue
- Department of Materials Physics School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Zifeng Yan
- State Key Laboratory of Heavy Oil Processing China University of Petroleum Qingdao 266580 P. R. China
| | - Xuejin Li
- Department of Materials Chemistry School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Lianming Zhao
- Department of Materials Physics School of Materials Science and Engineering China University of Petroleum Qingdao 266580 P. R. China
| | - Wei Xing
- State Key Laboratory of Heavy Oil Processing China University of Petroleum Qingdao 266580 P. R. China
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Boosting the Electrocatalytic Conversion of Nitrogen to Ammonia on Metal-Phthalocyanine-Based Two-Dimensional Conjugated Covalent Organic Frameworks. J Am Chem Soc 2021; 143:19992-20000. [PMID: 34784212 DOI: 10.1021/jacs.1c11158] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The electrochemical N2 reduction reaction (NRR) under ambient conditions is attractive in replacing the current Haber-Bosch process toward sustainable ammonia production. Metal-heteroatom-doped carbon-rich materials have emerged as the most promising NRR electrocatalysts. However, simultaneously boosting their NRR activity and selectivity remains a grand challenge, while the principle for precisely tailoring the active sites has been elusive. Herein, we report the first case of crystalline two-dimensional conjugated covalent organic frameworks (2D c-COFs) incorporated with M-N4-C centers as novel, defined, and effective catalysts, achieving simultaneously enhanced activity and selectivity of electrocatalytic NRR to ammonia. Such 2D c-COFs are synthesized based on metal-phthalocyanine (M = Fe, Co, Ni, Mn, Zn, and Cu) and pyrene units bonded by pyrazine linkages. Significantly, the 2D c-COFs with Fe-N4-C center exhibit higher ammonia yield rate (33.6 μg h-1 mgcat-1) and Faradaic efficiency (FE, 31.9%) at -0.1 V vs reversible hydrogen electrode than those with other M-N4-C centers, making them among the best NRR electrocatalysts (yield rate >30 μg h-1 mgcat-1 and FE > 30%). In situ X-ray absorption spectroscopy, Raman spectroelectrochemistry, and theoretical calculations unveil that Fe-N4-C centers act as catalytic sites. They show a unique electronic structure with localized electronic states at Fermi level, allowing for stronger interaction with N2 and thus faster N2 activation and NRR kinetics than other M-N4-C centers. Our work opens the possibility of developing metal-nitrogen-doped carbon-rich 2D c-COFs as superior NRR electrocatalyst and provides an atomic understanding of the NRR process on M-Nx-C based electrocatalysts for designing high-performance NRR catalysts.
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Kong D, Cai T, Fan H, Hu H, Wang X, Cui Y, Wang D, Wang Y, Hu H, Wu M, Xue Q, Yan Z, Li X, Zhao L, Xing W. Polycyclic Aromatic Hydrocarbons as a New Class of Promising Cathode Materials for Aluminum-Ion Batteries. Angew Chem Int Ed Engl 2021; 61:e202114681. [PMID: 34755421 DOI: 10.1002/anie.202114681] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Indexed: 12/20/2022]
Abstract
As an emerging post-lithium battery technology, aluminum ion batteries (AIBs) have the advantages of large Al reserves and high safety, and have great potential to be applied to power grid energy storage. But current graphite cathode materials are limited in charge storage capacity due to the formation of stage-4 graphite-intercalated compounds (GICs) in the fully charged state. Herein, we propose a new type of cathode materials for AIBs, namely polycyclic aromatic hydrocarbons (PAHs), which resemble graphite in terms of the large conjugated π bond, but do not form GICs in the charge process. Quantum chemistry calculations show that PAHs can bind AlCl4 - through the interaction between the conjugated π bond in the PAHs and AlCl4 - , forming on-plane interactions. The theoretical specific capacity of PAHs is negatively correlated with the number of benzene rings in the PAHs. Then, under the guidance of theoretical calculations, anthracene, a three-ring PAH, was evaluated as a cathode material for AIBs. Electrochemical measurements show that anthracene has a high specific capacity of 157 mAh g-1 (at 100 mA g-1 ) and still maintains a specific capacity of 130 mAh g-1 after 800 cycles. This work provides a feasible "theory guides practice" research model for the development of energy storage materials, and also provides a new class of promising cathode materials for AIBs.
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Affiliation(s)
- Dongqing Kong
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, 266580, P. R. China.,Weifang Key Lab of Advanced Light Materials Manufacturing and Forming, Weifang University of Science and Technology, Weifang, 262700, P. R. China
| | - Tonghui Cai
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Haodong Fan
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Haoyu Hu
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Xiaohui Wang
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Yongpeng Cui
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Dandan Wang
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Yesheng Wang
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Han Hu
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Mingbo Wu
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Qingzhong Xue
- Department of Materials Physics, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Zifeng Yan
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Xuejin Li
- Department of Materials Chemistry, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Lianming Zhao
- Department of Materials Physics, School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, P. R. China
| | - Wei Xing
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, 266580, P. R. China
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Ly NH, Son SJ, Jang S, Lee C, Lee JI, Joo SW. Surface-Enhanced Raman Sensing of Semi-Volatile Organic Compounds by Plasmonic Nanostructures. NANOMATERIALS 2021; 11:nano11102619. [PMID: 34685057 PMCID: PMC8541515 DOI: 10.3390/nano11102619] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/26/2021] [Accepted: 09/29/2021] [Indexed: 12/16/2022]
Abstract
Facile detection of indoor semi-volatile organic compounds (SVOCs) is a critical issue to raise an increasing concern to current researchers, since their emissions have impacted the health of humans, who spend much of their time indoors after the recent incessant COVID-19 pandemic outbreaks. Plasmonic nanomaterial platforms can utilize an electromagnetic field to induce significant Raman signal enhancements of vibrational spectra of pollutant molecules from localized hotspots. Surface-enhanced Raman scattering (SERS) sensing based on functional plasmonic nanostructures has currently emerged as a powerful analytical technique, which is widely adopted for the ultra-sensitive detection of SVOC molecules, including phthalates and polycyclic aromatic hydrocarbons (PAHs) from household chemicals in indoor environments. This concise topical review gives updated recent developments and trends in optical sensors of surface plasmon resonance (SPR) and SERS for effective sensing of SVOCs by functionalization of noble metal nanostructures. Specific features of plasmonic nanomaterials utilized in sensors are evaluated comparatively, including their various sizes and shapes. Novel aptasensors-assisted SERS technology and its potential application are also introduced for selective sensing. The current challenges and perspectives on SERS-based optical sensors using plasmonic nanomaterial platforms and aptasensors are discussed for applying indoor SVOC detection.
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Affiliation(s)
- Nguyễn Hoàng Ly
- Department of Chemistry, Gachon University, Seongnam 13120, Korea;
| | - Sang Jun Son
- Department of Chemistry, Gachon University, Seongnam 13120, Korea;
- Correspondence: (S.J.S.); (J.I.L.); (S.-W.J.)
| | - Soonmin Jang
- Department of Chemistry, Sejong University, Seoul 05006, Korea;
| | - Cheolmin Lee
- Department of Chemical & Biological Engineering, Seokyeong University, Seoul 02713, Korea;
| | - Jung Il Lee
- Korea Testing & Research Institute, Gwacheon 13810, Korea
- Correspondence: (S.J.S.); (J.I.L.); (S.-W.J.)
| | - Sang-Woo Joo
- Department of Chemistry, Soongsil University, Seoul 06978, Korea
- Correspondence: (S.J.S.); (J.I.L.); (S.-W.J.)
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Moldovan R, Iacob BC, Farcău C, Bodoki E, Oprean R. Strategies for SERS Detection of Organochlorine Pesticides. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:304. [PMID: 33503937 PMCID: PMC7911634 DOI: 10.3390/nano11020304] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/18/2021] [Accepted: 01/21/2021] [Indexed: 02/02/2023]
Abstract
Organochlorine pesticides (OCPs) embody highly lipophilic hazardous chemicals that are being phased out globally. Due to their persistent nature, they are still contaminating the environment, being classified as persistent organic pollutants (POPs). They bioaccumulate through bioconcentration and biomagnification, leading to elevated concentrations at higher trophic levels. Studies show that human long-term exposure to OCPs is correlated with a large panel of common chronic diseases. Due to toxicity concerns, most OCPs are listed as persistent organic pollutants (POPs). Conventionally, separation techniques such as gas chromatography are used to analyze OCPs (e.g., gas chromatography coupled with mass spectrometry (GC/MS)) or electron capture detection (GC/ECD). These are accurate, but expensive and time-consuming methods, which can only be performed in centralized lab environments after extensive pretreatment of the collected samples. Thus, researchers are continuously fueling the need to pursue new faster and less expensive alternatives for their detection and quantification that can be used in the field, possibly in miniaturized lab-on-a-chip systems. In this context, surface enhanced Raman spectroscopy (SERS) represents an exceptional analytical tool for the trace detection of pollutants, offering molecular fingerprint-type data and high sensitivity. For maximum signal amplification, two conditions are imposed: an efficient substrate and a high affinity toward the analyte. Unfortunately, due to the highly hydrophobic nature of these pollutants (OCPs,) they usually have a low affinity toward SERS substrates, increasing the challenge in their SERS detection. In order to overcome this limitation and take advantage of on-site Raman analysis of pollutants, researchers are devising ingenious strategies that are synthetically discussed in this review paper. Aiming to maximize the weak Raman signal of organochlorine pesticides, current practices of increasing the substrate's performance, along with efforts in improving the selectivity by SERS substrate functionalization meant to adsorb the OCPs in close proximity (via covalent, electrostatic or hydrophobic bonds), are both discussed. Moreover, the prospects of multiplex analysis are also approached. Finally, other perspectives for capturing such hydrophobic molecules (MIPs-molecularly imprinted polymers, immunoassays) and SERS coupled techniques (microfluidics-SERS, electrochemistry-SERS) to overcome some of the restraints are presented.
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Affiliation(s)
- Rebeca Moldovan
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania; (R.M.); (B.-C.I.); (R.O.)
| | - Bogdan-Cezar Iacob
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania; (R.M.); (B.-C.I.); (R.O.)
| | - Cosmin Farcău
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67–103 Donat, 400293 Cluj-Napoca, Romania;
| | - Ede Bodoki
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania; (R.M.); (B.-C.I.); (R.O.)
| | - Radu Oprean
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania; (R.M.); (B.-C.I.); (R.O.)
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10
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Shen Z, Wang H, Yu Q, Li Q, Lu X, Kong X. On-site separation and identification of polycyclic aromatic hydrocarbons from edible oil by TLC-SERS on diatomite photonic biosilica plate. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105672] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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11
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Jing Y, Wang R, Wang Q, Xiang Z, Li Z, Gu H, Wang X. An overview of surface-enhanced Raman scattering substrates by pulsed laser deposition technique: fundamentals and applications. ADVANCED COMPOSITES AND HYBRID MATERIALS 2021; 4:885-905. [PMID: 34485823 PMCID: PMC8409082 DOI: 10.1007/s42114-021-00330-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/09/2021] [Accepted: 08/13/2021] [Indexed: 05/03/2023]
Abstract
Metallic nanoparticles (NPs), as an efficient substrate for surface-enhanced Raman scattering (SERS), attract much interests because of their various shapes and sizes. The appropriate size and morphology of metallic NPs are critical to serve as the substrate for achieving an efficient SERS. Pulsed laser deposition (PLD) is one of the feasible physical methods employed to synthesize metallic NPs with controllable sizes and surface characteristics. It has been recognized to be a successful tool for the deposition of SERS substrates due to its good controllability and high reproducibility in the manufacture of metallic NPs. This review provides an overview about the recent advances for the preparation of SERS substrates by PLD technique. The influences of parameters on the sizes and morphologies of metallic NPs during the deposition processes in PLD technique including laser output parameters, gas medium, liquid medium, substrate temperature, and properties of 3D substrate are presented. The applications of SERS substrates produced by PLD in the environmental monitoring and biomedical analysis are summarized. This knowledge could serve as a guideline for the researchers in exploring further applications of PLD technique in the production of SERS substrate.
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Affiliation(s)
- Yuting Jing
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
| | - Ruijing Wang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
| | - Qunlong Wang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
| | - Zheyuan Xiang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
| | - Zhengxin Li
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
| | - Hongbo Gu
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
| | - Xuefeng Wang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092 China
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12
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Sousa RPCL, Figueira RB, Costa SPG, M. Raposo MM. Optical Fiber Sensors for Biocide Monitoring: Examples, Transduction Materials, and Prospects. ACS Sens 2020; 5:3678-3709. [PMID: 33226221 DOI: 10.1021/acssensors.0c01615] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Antifouling biocides are toxic to the marine environment impacting negatively on the aquatic ecosystems. These biocides, namely, tributyltin (TBT) and Cu(I) compounds, are used to avoid biofouling; however, their toxicity turns TBT and Cu(I) monitoring an important health issue. Current monitoring methods are expensive and time-consuming. This review provides an overview of the actual state of the art of antifouling paints' biocides, including their impact and toxicity, as well as the reported methods for TBT and Cu(I) detection over the past decade. The principles of optical fiber sensors (OFS) applications, with focus on environmental applications, and the use of organic chemosensors in this type of sensors are debated. The multiplexing ability of OFS and their application on aquatic environments are also discussed.
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Affiliation(s)
- Rui P. C. L. Sousa
- Centro de Química, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Rita B. Figueira
- Centro de Química, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Susana P. G. Costa
- Centro de Química, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - M. Manuela M. Raposo
- Centro de Química, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
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13
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Wang S, Sun B, Feng J, An F, Li N, Wang H, Tian M. Development of affinity between target analytes and substrates in surface enhanced Raman spectroscopy for environmental pollutant detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:5657-5670. [PMID: 33226038 DOI: 10.1039/d0ay01760d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Environmental pollution has long been a social concern due to the variety of pollutants and their wide distribution, persistence and being detrimental to health. It is therefore necessary to develop rapid and sensitive strategies to trace and detect these compounds. Among various detection methodologies, surface enhanced Raman spectroscopy (SERS) has become an attractive option as it enables accurate analyte identification, simple sample preparation, rapid detection and ultra-high sensitivity without any interference from water. For SERS detection, an essential yet challenging step is the effective capture of target analytes onto the surface of metal nanostructures with a high intensity of enhanced electromagnetic field. This review has systematically summarized recent advances in developing affinity between targets and the surface of SERS substrates via direct adsorption, hydrophobic functional groups, boronate affinity, metal organic frameworks (MOFs), DNA aptamers and molecularly imprinted polymers (MIPs). At the end of this review, technical limitations and outlook have been provided, with suggestions on optimizing SERS techniques for real-world applications in environmental pollutant detection.
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Affiliation(s)
- Shiqiang Wang
- State Key Laboratory of Safety and Control for Chemicals, SINOPEC Research Institute of Safety Engineering, Qingdao, Shandong 266071, People's Republic of China.
| | - Bing Sun
- State Key Laboratory of Safety and Control for Chemicals, SINOPEC Research Institute of Safety Engineering, Qingdao, Shandong 266071, People's Republic of China.
| | - Junjie Feng
- State Key Laboratory of Safety and Control for Chemicals, SINOPEC Research Institute of Safety Engineering, Qingdao, Shandong 266071, People's Republic of China.
| | - Fei An
- State Key Laboratory of Safety and Control for Chemicals, SINOPEC Research Institute of Safety Engineering, Qingdao, Shandong 266071, People's Republic of China.
| | - Na Li
- State Key Laboratory of Safety and Control for Chemicals, SINOPEC Research Institute of Safety Engineering, Qingdao, Shandong 266071, People's Republic of China.
| | - Haozhi Wang
- State Key Laboratory of Safety and Control for Chemicals, SINOPEC Research Institute of Safety Engineering, Qingdao, Shandong 266071, People's Republic of China.
| | - Mingwei Tian
- Research Center for Intelligent and Wearable Technology, Qingdao University, Qingdao, Shandong 266071, People's Republic of China
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14
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A Versatile SERS Sensor for Multiple Determinations of Polycyclic Aromatic Hydrocarbons and Its Application Potential in Analysis of Fried Foods. Int J Anal Chem 2020; 2020:4248029. [PMID: 32774379 PMCID: PMC7397739 DOI: 10.1155/2020/4248029] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 06/19/2020] [Accepted: 07/02/2020] [Indexed: 12/20/2022] Open
Abstract
Polycyclic aromatic hydrocarbons (PAHs), due to their high hydrophobicity, have low affinity for metallic SERS-active surfaces, which leads to their low SERS detection sensitivity. Various functional groups have been used to improve the affinity of metallic substrates towards the target PAHs. However, a large portion of the signals generated from the “first-layer effect” of the functionalized substrates may complicate the spectrum, leading to a distortion in the assignment of the intrinsic SERS fingerprints of PAHs. In this study, a SERS sensor composed of Au nanoparticles (AuNPs) and reoxidized graphene oxide (rGO) was developed for the simultaneous determination of 16 EPA priority PAHs. The synthesis of the rGO/AuNP substrate can be realized without a complicated modification process. All the 16 PAHs could be identified based on their characteristic peaks in the presence of the composited substrate, with estimated LOD as low as 0.2–2 ng·mL−1. The binary linear regression was optimized as the fitting model for all PAHs except for benzo(k)fluoranthene, with the linear correlation coefficient ranging from 0.9889 to 0.9997. Based on the developed SERS substrates and sample pretreatment, the characteristic SERS peaks of four PAHs in Chinese traditional fried food (youtiao) were identified without any background interference. The whole detection process only takes approximately 15 minutes. The results demonstrate the potential of the multicomponent on-field detection of PAHs.
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15
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Zhou Z, Lu J, Wang J, Zou Y, Liu T, Zhang Y, Liu G, Tian Z. Trace detection of polycyclic aromatic hydrocarbons in environmental waters by SERS. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 234:118250. [PMID: 32197231 DOI: 10.1016/j.saa.2020.118250] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/07/2020] [Accepted: 03/08/2020] [Indexed: 05/29/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are among the most hazardous pollutants and have attracted significant attention in the last decades. Up to now, rapid and on-site trace detection of PAHs remains a challenging issue. Here, taking advantage of the high sensitivity and reliable qualification of Surface-enhanced Raman Spectroscopy (SERS), we firstly carried out trace analyses of 16 typical PAHs in water at concentrations as low as 100-0.1 μg/L, depending on the number of aromatic rings of the molecule. Furthermore, owing to the simplicity of the liquid-liquid extraction (LLE) step, the sensitivity was further improved 2-3 orders of magnitude, and the lowest detectable concentrations were 100, 50, and 5 ng/L for anthracene, pyrene, and benzo[a]pyrene (the three PAHs typically found in heavily polluted waters), respectively. The LLE-SERS approach was successfully applied to the qualitative and quantitative analyses of different (ocean and coast) water samples being spiked by these three PAHs, which showed great promise as a trace detection tool of PAHs under water environments having different contaminant matrices.
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Affiliation(s)
- Zhifan Zhou
- State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Center for Marine Environmental Chemistry & Toxicology, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Jianglong Lu
- State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Center for Marine Environmental Chemistry & Toxicology, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Juyong Wang
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yisong Zou
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Tao Liu
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yulong Zhang
- Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361005, China
| | - Guokun Liu
- State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Center for Marine Environmental Chemistry & Toxicology, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China.
| | - Zhongqun Tian
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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16
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Hao R, You H, Zhu J, Chen T, Fang J. "Burning Lamp"-like Robust Molecular Enrichment for Ultrasensitive Plasmonic Nanosensors. ACS Sens 2020; 5:781-788. [PMID: 32037789 DOI: 10.1021/acssensors.9b02423] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Enriching and locating target analytes into specific "hot spots" are vital for ultrasensitive molecular identification and detection using plasmonic-based techniques. Inspired by mass transportation in lamp wicks, we develop an effective enrichment strategy for highly diluted analytes in which analytes and Au nanoparticles are transported via a solution microflow under the capillarity driving force of glass fiber papers to a heated region. After evaporation, a large volume of a solution containing analytes and Au nanoparticles is condensed into a very limited area, and thus, analyte molecules are effectively enriched and located into surface-enhanced Raman scattering (SERS) hot spots. Using this enrichment strategy, the sensitivity and detection limits of SERS are remarkably improved. Detection levels of crystal violet and anthracene are down to 10-16 and 10-10 M, respectively. This enrichment strategy is very robust and easy to implement, and it can potentially be exploited in various plasmonic-based molecular detection and identification techniques.
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Affiliation(s)
- Rui Hao
- Key Laboratory of Physical Electronics and Devices of Ministry of Education, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
| | - Hongjun You
- School of Science, Xi’an Jiaotong University, Xi’an 710049, China
| | - Jie Zhu
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an 710061, China
| | - Teng Chen
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an 710061, China
| | - Jixiang Fang
- Key Laboratory of Physical Electronics and Devices of Ministry of Education, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
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17
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Su X, Sutarlie L, Loh XJ. Sensors, Biosensors, and Analytical Technologies for Aquaculture Water Quality. RESEARCH (WASHINGTON, D.C.) 2020; 2020:8272705. [PMID: 32149280 PMCID: PMC7048950 DOI: 10.34133/2020/8272705] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 01/08/2020] [Indexed: 12/20/2022]
Abstract
In aquaculture industry, fish, shellfish, and aquatic plants are cultivated in fresh, salt, or brackish waters. The increasing demand of aquatic products has stimulated the rapid growth of aquaculture industries. How to effectively monitor and control water quality is one of the key concerns for aquaculture industry to ensure high productivity and high quality. There are four major categories of water quality concerns that affect aquaculture cultivations, namely, (1) physical parameters, e.g., pH, temperature, dissolved oxygen, and salinity, (2) organic contaminants, (3) biochemical hazards, e.g., cyanotoxins, and (4) biological contaminants, i.e., pathogens. While the physical parameters are affected by climate changes, the latter three are considered as environmental factors. In this review, we provide a comprehensive summary of sensors, biosensors, and analytical technologies available for monitoring aquaculture water quality. They include low-cost commercial sensors and sensor network setups for physical parameters. They also include chromatography, mass spectrometry, biochemistry, and molecular methods (e.g., immunoassays and polymerase chain reaction assays), culture-based method, and biophysical technologies (e.g., biosensors and nanosensors) for environmental contamination factors. According to the different levels of sophistication of various analytical techniques and the information they can provide (either fine fingerprint, highly accurate quantification, semiquantification, qualitative detection, or fast screening), we will comment on how they may be used as complementary tools, as well as their potential and gaps toward current demand of real-time, online, and/or onsite detection.
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Affiliation(s)
- Xiaodi Su
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research, 2 Fusionopolis Way. Innovis #08-03, Singapore 138634
- Department of Chemistry, National University of Singapore, Block S8, Level 3, 3 Science Drive 3, Singapore 117543
| | - Laura Sutarlie
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research, 2 Fusionopolis Way. Innovis #08-03, Singapore 138634
| | - Xian Jun Loh
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research, 2 Fusionopolis Way. Innovis #08-03, Singapore 138634
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18
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Nowicka AB, Czaplicka M, Kowalska AA, Szymborski T, Kamińska A. Flexible PET/ITO/Ag SERS Platform for Label-Free Detection of Pesticides. BIOSENSORS 2019; 9:E111. [PMID: 31546934 PMCID: PMC6784364 DOI: 10.3390/bios9030111] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 09/14/2019] [Accepted: 09/17/2019] [Indexed: 11/29/2022]
Abstract
We show a new type of elastic surface-enhanced Raman spectroscopy (SERS) platform made of poly(ethylene terephthalate) (PET) covered with a layer of indium tin oxide (ITO). This composite is subjected to dielectric barrier discharge (DBD) that develops the active surface of the PET/ITO foil. To enhance the Raman signal, a modified composite was covered with a thin layer of silver using the physical vapor deposition (PVD) technique. The SERS platform was used for measurements of para-mercaptobenzoic acid (p-MBA) and popular pesticides, i.e., Thiram and Carbaryl. The detection and identification of pesticides on the surface of fruits and vegetables is a crucial issue due to extensive use of those chemical substances for plant fungicide and insecticide protection. Therefore, the developed PET/ITO/Ag SERS platform was dedicated to quantitative analysis of selected pesticides, i.e., Thiram and Carbaryl from fruits. The presented SERS platform exhibits excellent enhancement and reproducibility of the Raman signal, which enables the trace analysis of these pesticides in the range up to their maximum residues limit. Based on the constructed calibration curves, the pesticide concentrations from the skin of apples was estimated as 2.5 µg/mL and 0.012 µg/mL for Thiram and Carbaryl, respectively. Additionally, the PET/ITO/Ag SERS platform satisfies other spectroscopic properties required for trace pesticide analysis e.g., ease, cost-effective method of preparation, and specially designed physical properties, especially flexibility and transparency, that broaden the sampling versatility to irregular surfaces.
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Affiliation(s)
- Ariadna B Nowicka
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Marta Czaplicka
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Aneta A Kowalska
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Tomasz Szymborski
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Agnieszka Kamińska
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
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19
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Vander Ende E, Bourgeois MR, Henry AI, Chávez JL, Krabacher R, Schatz GC, Van Duyne RP. Physicochemical Trapping of Neurotransmitters in Polymer-Mediated Gold Nanoparticle Aggregates for Surface-Enhanced Raman Spectroscopy. Anal Chem 2019; 91:9554-9562. [DOI: 10.1021/acs.analchem.9b00773] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Emma Vander Ende
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Marc R. Bourgeois
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Anne-Isabelle Henry
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Jorge L. Chávez
- 711th Human Performance Wing, Wright-Patterson Air Force Base Air Force Research Laboratories, Dayton, Ohio 45433, United States
| | - Rachel Krabacher
- 711th Human Performance Wing, Wright-Patterson Air Force Base Air Force Research Laboratories, Dayton, Ohio 45433, United States
| | - George C. Schatz
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Richard P. Van Duyne
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
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20
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Du S, Yu C, Tang L, Lu L. Applications of SERS in the Detection of Stress-Related Substances. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E757. [PMID: 30257510 PMCID: PMC6215319 DOI: 10.3390/nano8100757] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/12/2018] [Accepted: 09/23/2018] [Indexed: 11/16/2022]
Abstract
A wide variety of biotic and abiotic stresses continually attack plants and animals, which adversely affect their growth, development, reproduction, and yield realization. To survive under stress conditions, highly sophisticated and efficient tolerance mechanisms have been evolved to adapt to stresses, which consist of the variation of effector molecules playing vital roles in physiological regulation. The development of a sensitive, facile, and rapid analytical methods for stress factors and effector molecules detection is significant for gaining deeper insight into the tolerance mechanisms. As a nondestructive analysis technique, surface-enhanced Raman spectroscopy (SERS) has unique advantages regarding its biosensing applications. It not only provides specific fingerprint spectra of the target molecules, conformation, and structure, but also has universal capacity for simultaneous detection and imaging of targets owing to the narrow width of the Raman vibrational bands. Herein, recent progress on biotic and abiotic stresses, tolerance mechanisms and effector molecules is summarized. Moreover, the development and promising future trends of SERS detection for stress-related substances combined with nanomaterials as substrates and SERS tags are discussed. This comprehensive and critical review might shed light on a new perspective for SERS applications.
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Affiliation(s)
- Shuyuan Du
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan 250014, China.
| | - Chundi Yu
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China.
| | - Lin Tang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan 250014, China.
| | - Lixia Lu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan 250014, China.
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21
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Ramanauskaite L, Mazeika V, Snitka V. SERS based monitoring of toluene vapors at ambient and elevated temperatures by using a ruffled silver nanolayer as a substrate. Mikrochim Acta 2018; 185:477. [PMID: 30244290 DOI: 10.1007/s00604-018-3013-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 09/18/2018] [Indexed: 02/03/2023]
Abstract
The authors describe a Surface enhanced Raman spectroscopy (SERS)-based method for the detection of gaseous toluene at different temperature regimes using 3D ruffled silver SERS substrates and a commercially available handheld Raman system equipped with a 785 nm laser. The 3D silver SERS substrates were synthesized via electroless deposition of silver on the ruffled sandpaper and HF-etched silicon wafers. The morphological characterization of the silver SERS substrates was carried out by atomic force microscopy and scanning electron microscopy. UV-Vis spectroscopy absorption spectra of the silver nanostructures showed plasmonic peaks at 522 nm and 731 nm. Toluene vapors were collected with a syringe at ambient temperature and at 100 °C, while SERS detection was always performed at room temperature. Toluene detection was based on the measurement of the Raman bands at 787 cm-1 and 1003 cm-1 (in the fingerprint region). The method allow gaseous toluene to be detected at its vapor concentrations of 522 ppm (mg/L), 261 ppm (mg/L) and 26 ppm (mg/L). Graphical abstract Schematic presentation of an original method for the detection of toluene vapors by SERS technique. The collection of toluene vapors was carried out at room and at high temperatures. The vapors were transferred to methanol by bubbling. The SERS measurements were carried out at room temperature.
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Affiliation(s)
- Lina Ramanauskaite
- Faculty of Mathematics and Natural Sciences, Research Centre for Microsystems and Nanotechnology, Kaunas University of Technology, Studentu 65, LT-51369, Kaunas, Lithuania. .,Food Institute, Chemical Laboratory, Kaunas University of Technology, Radvilenu str. 19, LT-50254, Kaunas, Lithuania.
| | - Viktoras Mazeika
- Faculty of Mathematics and Natural Sciences, Research Centre for Microsystems and Nanotechnology, Kaunas University of Technology, Studentu 65, LT-51369, Kaunas, Lithuania
| | - Valentinas Snitka
- Faculty of Mathematics and Natural Sciences, Research Centre for Microsystems and Nanotechnology, Kaunas University of Technology, Studentu 65, LT-51369, Kaunas, Lithuania
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22
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Matricardi C, Hanske C, Garcia-Pomar JL, Langer J, Mihi A, Liz-Marzán LM. Gold Nanoparticle Plasmonic Superlattices as Surface-Enhanced Raman Spectroscopy Substrates. ACS NANO 2018; 12:8531-8539. [PMID: 30106555 DOI: 10.1021/acsnano.8b04073] [Citation(s) in RCA: 145] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
Metal colloids are of great interest in the field of nanophotonics, mainly due to their morphology-dependent optical properties, but also because they are high-quality building blocks for complex plasmonic architectures. Close-packed colloidal supercrystals not only serve for investigating the rich plasmonic resonances arising in strongly coupled arrangements but also enable tailoring the optical response, on both the nano- and the macroscale. Bridging these vastly different length scales at reasonable fabrication costs has remained fundamentally challenging, but is essential for applications in sensing, photovoltaics or optoelectronics, among other fields. We present here a scalable approach to engineer plasmonic supercrystal arrays, based on the template-assisted assembly of gold nanospheres with topographically patterned polydimethylsiloxane molds. Regular square arrays of hexagonally packed supercrystals were achieved, reaching periodicities down to 400 nm and feature sizes around 200 nm, over areas up to 0.5 cm2. These two-dimensional supercrystals exhibit well-defined collective plasmon modes that can be tuned from the visible through the near-infrared by simple variation of the lattice parameter. We present electromagnetic modeling of the physical origin of the underlying hybrid modes and demonstrate the application of superlattice arrays as surface-enhanced Raman scattering (SERS) spectroscopy substrates which can be tailored for a specific probe laser. We therefore investigated the influence of the lattice parameter, local degree of order, and cluster architecture to identify the optimal configuration for highly efficient SERS of a nonresonant Raman probe with 785 nm excitation.
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Affiliation(s)
- Cristiano Matricardi
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC) , Campus de la UAB, 08193 Bellaterra , Catalonia , Spain
| | - Christoph Hanske
- CIC biomaGUNE and Ciber-BBN , Paseo de Miramón 182 , 20014 Donostia - San Sebastián , Spain
| | - Juan Luis Garcia-Pomar
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC) , Campus de la UAB, 08193 Bellaterra , Catalonia , Spain
| | - Judith Langer
- CIC biomaGUNE and Ciber-BBN , Paseo de Miramón 182 , 20014 Donostia - San Sebastián , Spain
| | - Agustín Mihi
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC) , Campus de la UAB, 08193 Bellaterra , Catalonia , Spain
| | - Luis M Liz-Marzán
- CIC biomaGUNE and Ciber-BBN , Paseo de Miramón 182 , 20014 Donostia - San Sebastián , Spain
- Ikerbasque, Basque Foundation for Science , 48013 Bilbao , Spain
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23
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Sprague-Klein EA, Negru B, Madison LR, Coste SC, Rugg BK, Felts AM, McAnally MO, Banik M, Apkarian VA, Wasielewski MR, Ratner MA, Seideman T, Schatz GC, Van Duyne RP. Photoinduced Plasmon-Driven Chemistry in trans-1,2-Bis(4-pyridyl)ethylene Gold Nanosphere Oligomers. J Am Chem Soc 2018; 140:10583-10592. [DOI: 10.1021/jacs.8b06347] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
| | | | | | | | | | - Alanna M. Felts
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | | | - Mayukh Banik
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Vartkess A. Apkarian
- Department of Chemistry, University of California, Irvine, California 92697, United States
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24
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Dribek M, Rinnert E, Colas F, Crassous MP, Thioune N, David C, de la Chapelle M, Compère C. Organometallic nanoprobe to enhance optical response on the polycyclic aromatic hydrocarbon benzo[a]pyrene immunoassay using SERS technology. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:27070-27076. [PMID: 25109469 DOI: 10.1007/s11356-014-3384-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Accepted: 07/23/2014] [Indexed: 05/29/2023]
Abstract
We demonstrated the use of a new organometallic nanoprobe for competitive surface-enhanced Raman scattering (SERS) immunoassay devoted to the detection of polycyclic aromatic hydrocarbons (PAH) such as benzo[a]pyrene (BaP) in seawater. The nanoprobes are gold nanoparticles (GNPs) labeled by a Raman reporter, the 5,5'-dithiobis(succinimidyl-2-nitrobenzoate) (DSNB) and functionalized with monoclonal antibodies anti-BaP. The antibodies are bound with a high specificity to the analyte while the GNPs enhanced the Raman scattering of the DSNB. This type of immunoassay involved the grafting of BaP onto a sensing surface. Thus, NH2-terminated self-assembled monolayer is formed on the surface of gold substrate using cysteamine. Amines finally reacted with 6-formylbenzo[a]pyrene. So, this SERS detection involves four steps: (i) the nanoprobes are incubated with the sample; (ii) a drop of the mixture is then put onto the substrate; (iii) the surface is rinsed; and (iv) the surface is analyzed by Raman spectroscopy. To synthesize the nanoprobes, firstly, we prepared GNPs according to Frens' method. Then, GNPs were spontaneously labeled by the DSNB Raman reporter, thanks to a strong gold-sulfur interaction. Thereafter, BaP antibodies were cross-linked to the DSNB labeled GNPs by reaction of proteins primary amino groups with N-hydroxyl succinimide (NHS). Before use in SERS detection, their activity was controlled by surface plasmon resonance technique. The present method allows us to detect BaP at trace concentration (2 nmol/L). The results demonstrate that the proposed method has a great potential for application in the monitoring of seawater.
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Affiliation(s)
- Mohamed Dribek
- IFREMER - Laboratoire Détection, Capteurs et Mesures, IFREMER, CS10070, 29280, Plouzané, France
- EA 6295 Nanomédicaments et Nanosondes, UFR des Sciences Pharmaceutiques, Université François-Rabelais de Tours, 31 avenue Monge, 37200, Tours, France
| | - Emmanuel Rinnert
- IFREMER - Laboratoire Détection, Capteurs et Mesures, IFREMER, CS10070, 29280, Plouzané, France.
| | - Florent Colas
- IFREMER - Laboratoire Détection, Capteurs et Mesures, IFREMER, CS10070, 29280, Plouzané, France
| | - Marie-Pierre Crassous
- IFREMER - Laboratoire Détection, Capteurs et Mesures, IFREMER, CS10070, 29280, Plouzané, France
| | - Néné Thioune
- Laboratoire CSPBAT (FRE 3043), UFR SMBH, Université Paris 13, 74 rue Marcel Cachin, 93017, Bobigny, France
| | - Catalina David
- Laboratoire CSPBAT (FRE 3043), UFR SMBH, Université Paris 13, 74 rue Marcel Cachin, 93017, Bobigny, France
- Horiba Scientific, 231 rue de, Lille, 59650, Villeneuve d'Ascq, France
| | - Marc de la Chapelle
- Laboratoire CSPBAT (FRE 3043), UFR SMBH, Université Paris 13, 74 rue Marcel Cachin, 93017, Bobigny, France
| | - Chantal Compère
- IFREMER - Laboratoire Détection, Capteurs et Mesures, IFREMER, CS10070, 29280, Plouzané, France
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25
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Kumar S, Negi S, Maiti P. Biological and analytical techniques used for detection of polyaromatic hydrocarbons. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:25810-25827. [PMID: 29032529 DOI: 10.1007/s11356-017-0415-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Accepted: 10/03/2017] [Indexed: 06/07/2023]
Abstract
Polycyclic aromatic hydrocarbons contain two or more fused benzene rings that are considered as cosmo-pollutants ubiquitously found in the environment. The identification and monitoring of polycyclic aromatic hydrocarbons (PAHs) are of great interests for rapid and on-site detection. Therefore, many analytical and biological techniques have been proposed for the qualitative and quantitative assessments of PAHs. Non-biological analytical techniques such as infrared, Raman, and fluorescence spectroscopies are commonly exploited as non-destructive techniques while gas chromatography (GC) and high-performance liquid chromatography (HPLC) with multiple detectors are extensively employed for the separation and detection of an analyte. Even though spectroscopy and chromatography are more accurate, convenient, and feasible techniques, often, these methods are expensive and sophisticated which require high maintenance cost. On the other hand, biological approaches, i.e., immunoassay, PCR, and microarray, offer comprehensive high-throughput specificity and sensitivity for a similar analyte. Biosensor- and immunoassay-mediated detections of PAHs have opened up new avenues in terms of low cost, rapid determination, and higher sensitivity. In this review, we have discussed the strengths and limitations of biological and analytical techniques that were explored for precise evaluation and were trusted at both the legislation and research levels.
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Affiliation(s)
- Sunil Kumar
- School of Materials Science and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India.
| | - Sangeeta Negi
- Department of Biotechnology, Motilal Nehru National Institute of Technology, Teliyarganj, Allahabad, 221004, India
| | - Pralay Maiti
- School of Materials Science and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India
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Review of SERS Substrates for Chemical Sensing. NANOMATERIALS 2017; 7:nano7060142. [PMID: 28594385 PMCID: PMC5485789 DOI: 10.3390/nano7060142] [Citation(s) in RCA: 262] [Impact Index Per Article: 37.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 06/02/2017] [Accepted: 06/06/2017] [Indexed: 12/21/2022]
Abstract
The SERS effect was initially discovered in the 1970s. Early research focused on understanding the phenomenon and increasing enhancement to achieve single molecule detection. From the mid-1980s to early 1990s, research started to move away from obtaining a fundamental understanding of the phenomenon to the exploration of analytical applications. At the same time, significant developments occurred in the field of photonics that led to the advent of inexpensive, robust, compact, field-deployable Raman systems. The 1990s also saw rapid development in nanoscience. This convergence of technologies (photonics and nanoscience) has led to accelerated development of SERS substrates to detect a wide range of chemical and biological analytes. It would be a monumental task to discuss all the different kinds of SERS substrates that have been explored. Likewise, it would be impossible to discuss the use of SERS for both chemical and biological detection. Instead, a review of the most common metallic (Ag, Cu, and Au) SERS substrates for chemical detection only is discussed, as well as SERS substrates that are commercially available. Other issues with SERS for chemical detection have been selectivity, reversibility, and reusability of the substrates. How these issues have been addressed is also discussed in this review.
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27
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Cardinal MF, Vander Ende E, Hackler RA, McAnally MO, Stair PC, Schatz GC, Van Duyne RP. Expanding applications of SERS through versatile nanomaterials engineering. Chem Soc Rev 2017. [DOI: 10.1039/c7cs00207f] [Citation(s) in RCA: 246] [Impact Index Per Article: 35.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Nanomaterials engineering and synthetic chemistry continues to expand the range of applications for surface-enhanced Raman scattering spectroscopy.
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Affiliation(s)
| | | | | | | | - Peter C. Stair
- Department of Chemistry
- Northwestern University
- Evanston
- USA
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28
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Cao J, Zhao D, Mao Q. A highly reproducible and sensitive fiber SERS probe fabricated by direct synthesis of closely packed AgNPs on the silanized fiber taper. Analyst 2017; 142:596-602. [DOI: 10.1039/c6an02414a] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A tapered fiber probe with good SERS performance is presented by silanization of the optical fiber and subsequent hydrothermal growth process.
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Affiliation(s)
- Jie Cao
- Anhui Provincial Key Lab of Photonics Devices and Materials
- Anhui Institute of Optics and Fine Mechanics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Di Zhao
- Anhui Provincial Key Lab of Photonics Devices and Materials
- Anhui Institute of Optics and Fine Mechanics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Qinghe Mao
- Anhui Provincial Key Lab of Photonics Devices and Materials
- Anhui Institute of Optics and Fine Mechanics
- Chinese Academy of Sciences
- Hefei 230031
- China
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29
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Du J, Xu J, Sun Z, Jing C. Au nanoparticles grafted on Fe3O4 as effective SERS substrates for label-free detection of the 16 EPA priority polycyclic aromatic hydrocarbons. Anal Chim Acta 2016; 915:81-9. [DOI: 10.1016/j.aca.2016.02.009] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 02/02/2016] [Accepted: 02/06/2016] [Indexed: 11/30/2022]
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30
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Ouyang Z, Gao L, Chen X, Yao S, Deng S. Distribution, source apportionment and ecological risk assessment of polycyclic aromatic hydrocarbons in the surface sediments of coal mining subsidence waters. RSC Adv 2016. [DOI: 10.1039/c6ra11286b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
PAHs with three or four rings dominate in Yangzhuang coal mining subsidence waters of China. The pollution level of PAHs is quite low. Most of them come from combustion or oil sources and are proved to have no potential ecological risk.
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Affiliation(s)
- Zhuozhi Ouyang
- School of Earth and Environment
- Anhui University of Science and Technology
- Huainan
- China
| | - Liangmin Gao
- School of Earth and Environment
- Anhui University of Science and Technology
- Huainan
- China
| | - Xiaoqing Chen
- School of Earth and Environment
- Anhui University of Science and Technology
- Huainan
- China
| | - Suping Yao
- School of Earth Sciences and Engineering
- Nanjing University
- Nanjing
- China
| | - Shihui Deng
- School of Earth and Environment
- Anhui University of Science and Technology
- Huainan
- China
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31
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Gu HX, Hu K, Li DW, Long YT. SERS detection of polycyclic aromatic hydrocarbons using a bare gold nanoparticles coupled film system. Analyst 2016; 141:4359-65. [DOI: 10.1039/c6an00319b] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A facile approach based on a bare gold nanoparticles (Au NPs) coupled film system as the surface-enhanced Raman scattering (SERS) substrate was developed for the effective detection of polycyclic aromatic hydrocarbons (PAHs).
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Affiliation(s)
- Hai-Xin Gu
- Key Laboratory for Advanced Materials and Department of Chemistry
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
- Shanghai Fire Research Institute of Ministry of Public Security
| | - Kai Hu
- Key Laboratory for Advanced Materials and Department of Chemistry
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Da-Wei Li
- Key Laboratory for Advanced Materials and Department of Chemistry
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Yi-Tao Long
- Key Laboratory for Advanced Materials and Department of Chemistry
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
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32
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Dar N, Chen KY, Nien YT, Chen IG. Facile Synthesis of Silver Nanoparticles with Application of Reproducible Surface Enhanced Raman Scattering Substrates. ANAL LETT 2015. [DOI: 10.1080/00032719.2015.1092152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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33
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Cao J, Zhao D, Mao Q. Laser-induced synthesis of Ag nanoparticles on the silanized surface of a fiber taper and applications as a SERS probe. RSC Adv 2015. [DOI: 10.1039/c5ra18504a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The silanized fiber probe with the optimal laser-induced growth time exhibited very strong SERS activity and good measurement reproducibility.
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Affiliation(s)
- Jie Cao
- Anhui Provincial Key Lab of Photonics Devices and Materials
- Anhui Institute of Optics and Fine Mechanics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Di Zhao
- Anhui Provincial Key Lab of Photonics Devices and Materials
- Anhui Institute of Optics and Fine Mechanics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Qinghe Mao
- Anhui Provincial Key Lab of Photonics Devices and Materials
- Anhui Institute of Optics and Fine Mechanics
- Chinese Academy of Sciences
- Hefei 230031
- China
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34
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Ning X, Shen L, Sun J, Lin C, Zhang Y, Yang Z, Chen S. Degradation of polycyclic aromatic hydrocarbons (PAHs) in textile dyeing sludge by O3/H2O2 treatment. RSC Adv 2015. [DOI: 10.1039/c5ra03307a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The main advantage of O3/H2O2 treatment lies in the acceleration of the O3 transformation process by the addition of H2O2. The removal rate (within 30 min) increased by 27% for Ph and 21% for An through the addition of H2O2 to the O3 process.
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Affiliation(s)
- Xun'an Ning
- School of Environmental Science and Engineering
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Lingzhi Shen
- School of Environmental Science and Engineering
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Jian Sun
- School of Environmental Science and Engineering
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Chaoping Lin
- School of Environmental Science and Engineering
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Yaping Zhang
- School of Environmental Science and Engineering
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Zuoyi Yang
- School of Environmental Science and Engineering
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Shujun Chen
- School of Environmental Science and Engineering
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
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35
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Xu J, Du J, Jing C, Zhang Y, Cui J. Facile detection of polycyclic aromatic hydrocarbons by a surface-enhanced Raman scattering sensor based on the Au coffee ring effect. ACS APPLIED MATERIALS & INTERFACES 2014; 6:6891-7. [PMID: 24720732 DOI: 10.1021/am500705a] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Surface-enhanced Raman scattering (SERS) analysis of environmental hydrophobic pollutants without chemical functionalization of a bare nanoparticle (NP) substrate presents a challenge. The motivation for our study is to develop a highly reproducible and robust portable SERS sensor for detection and identification of polycyclic aromatic hydrocarbons (PAHs) using bare Au NPs. Our hypothesis is that the coffee ring effect could separate PAHs from the bulk solution and concentrate them on the closely packed Au NP ring, consequently enhancing their Raman scattering. This premise was confirmed with the commonly used citrate-reduced Au NPs in 20 nm, having no structural uniqueness. Because of the coffee ring effect, however, closely packed but not aggregated Au NP arrays were formed and, consequently, facilitated the separation and concentration of hydrophobic PAHs. As a result, a prominent SERS enhancement can be obtained on the ring because of the electromagnetic mechanism. A mixture of six PAHs with different numbers of benzene rings, namely, naphthalene, anthracene, pyrene, benzo[a]pyrene, benzo[g,h,i]perylene, and indeno[1,2,3-cd]pyrene, could be readily identified in river water. This portable SERS sensor based on the coffee ring effect provides a robust and versatile approach in PAH detection without the need for stringent structural requirements for Au NPs.
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Affiliation(s)
- Jianwei Xu
- College of Architecture and Environment, Sichuan University , Chengdu 610065, People's Republic of China
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