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Percot A, Maurel MC, Lambert JF, Zins EL. New insights into the surface Enhanced Raman Scattering (SERS) response of adenine using chemometrics. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 314:124177. [PMID: 38554690 DOI: 10.1016/j.saa.2024.124177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 02/15/2024] [Accepted: 03/18/2024] [Indexed: 04/02/2024]
Abstract
The SERS response of adenine is one of the most studied, due to its outstanding exaltation. However, the spectra obtained strongly differ according to the experimental conditions and still remain not well understood. To be able to search for the presence of this molecule in complex environments, it is essential to better understand the SERS response of adenine alone. After a brief presentation of the literature on the subject, we present results suggesting that the experimental spectra would result from the overlap of different spectroscopic signatures, that may probably be due to different non-covalent interactions or different electromagnetic fields experienced by adenine molecules. An independent component analysis is reported. Our results underline the difficulty to precisely analyze the experimental data, the need to continue this research and to constitute data banks that would allow comparing the spectra obtained in different laboratories according to the experimental conditions.
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Affiliation(s)
- A Percot
- Sorbonne Université, CNRS, MONARIS, UMR8233, F-75005 Paris, France.
| | - M C Maurel
- Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS,MNHN, UMR7205, ISYEB, F-75005 Paris, France
| | - J F Lambert
- Sorbonne Université, CNRS, LAMS, UMR8220, F-75005 Paris, France
| | - E L Zins
- Sorbonne Université, CNRS, MONARIS, UMR8233, F-75005 Paris, France
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Zhang Y, Huang Y, Song Y, Miao J, Lai K. Effects of aggregating agents on the analysis of histamine in squid muscle via surface-enhanced Raman scattering. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2021. [DOI: 10.1007/s11694-021-01037-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Ou Y, Wang X, Lai K, Huang Y, Rasco BA, Fan Y. Gold Nanorods as Surface-Enhanced Raman Spectroscopy Substrates for Rapid and Sensitive Analysis of Allura Red and Sunset Yellow in Beverages. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:2954-2961. [PMID: 29489346 DOI: 10.1021/acs.jafc.8b00007] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Synthetic colorants in food can be a potential threat to human health. In this study, surface-enhanced Raman spectroscopy (SERS) coupled with gold nanorods as substrates is proposed to analyze allura red and sunset yellow in beverages. The gold nanorods with different aspect ratios were synthesized, and their long-term stability, SERS activity, and the effect of the different salts on the SERS signal were investigated. The results demonstrate that gold nanorods have a satisfactory stability (stored up to 28 days). SERS coupled with gold nanorods exhibit stronger sensitivity. MgSO4 was chosen to improve the SERS signal of sunset yellow, and no salts could enhance the SERS signal of allura red. The lowest concentration was 0.10 mg/L for both colorant standard solutions. The successful prediction results using SERS were much closer to those obtained by high-performance liquid chromatography for the sample in beverages. SERS combined with gold nanorods shows potential for analyzing food colorants and other food additives as a rapid, convenient, and sensitive method.
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Affiliation(s)
| | | | | | - Yiqun Huang
- School of Chemistry and Biological Engineering , Changsha University of Science and Technology , Changsha , Hunan 410076 , People's Republic of China
| | - Barbara A Rasco
- School of Food Science , Washington State University , Pullman , Washington 99165 , United States
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Lu H, Zhu L, Zhang C, Chen K, Cui Y. Mixing Assisted “Hot Spots” Occupying SERS Strategy for Highly Sensitive In Situ Study. Anal Chem 2018. [DOI: 10.1021/acs.analchem.7b04929] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Hui Lu
- Advanced Photonics Center, Southeast University, Nanjing, Jiangsu 210096, China
| | - Li Zhu
- Advanced Photonics Center, Southeast University, Nanjing, Jiangsu 210096, China
| | - Chuanlong Zhang
- Advanced Photonics Center, Southeast University, Nanjing, Jiangsu 210096, China
| | - Kexiang Chen
- Advanced Photonics Center, Southeast University, Nanjing, Jiangsu 210096, China
| | - Yiping Cui
- Advanced Photonics Center, Southeast University, Nanjing, Jiangsu 210096, China
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Nguyen AH, Peters EA, Schultz ZD. Bioanalytical applications of surface-enhanced Raman spectroscopy: de novo molecular identification. REVIEWS IN ANALYTICAL CHEMISTRY 2017; 36:20160037. [PMID: 29398776 PMCID: PMC5793888 DOI: 10.1515/revac-2016-0037] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Surface enhanced Raman scattering (SERS) has become a powerful technique for trace analysis of biomolecules. The use of SERS-tags has evolved into clinical diagnostics, the enhancement of the intrinsic signal of biomolecules on SERS active materials shows tremendous promise for the analysis of biomolecules and potential biomedical assays. The detection of the de novo signal from a wide range of biomolecules has been reported to date. In this review, we examine different classes of biomolecules for the signals observed and experimental details that enable their detection. In particular, we survey nucleic acids, amino acids, peptides, proteins, metabolites, and pathogens. The signals observed show that the interaction of the biomolecule with the enhancing nanostructure has a significant influence on the observed spectrum. Additional experiments demonstrate that internal standards can correct for intensity fluctuations and provide quantitative analysis. Experimental methods that control the interaction at the surface are providing for reproducible SERS signals. Results suggest that combining advances in methodology with the development of libraries for SERS spectra may enable the characterization of biomolecules complementary to other existing methods.
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Pazderka T, Kopecký V. Drop coating deposition Raman spectroscopy of proteinogenic amino acids compared with their solution and crystalline state. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 185:207-216. [PMID: 28577510 DOI: 10.1016/j.saa.2017.05.043] [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: 03/21/2017] [Revised: 05/03/2017] [Accepted: 05/20/2017] [Indexed: 06/07/2023]
Abstract
The Raman spectra of 20 proteinogenic amino acids were recorded in the solution, glass phase (as drop coating deposition Raman (DCDR) samples) and crystalline forms in the wide spectral range of 200-3200cm-1. The most apparent spectral differences between the Raman spectra of the crystalline forms, glass phases and aqueous solutions of amino acids were briefly discussed and described in the frame of published works. The possible density dependencies of spectral bands were noted. In some cases, a strong influence of the sample density, as well as of the organization of the water envelope, was observed. The most apparent changes were observed for Ser and Thr. Nevertheless, for the majority of amino acids, the DCDR sample form is an intermediate between the solution and crystalline forms. In contrast, aromatic amino acids have only a small sensitivity to the form of the sample. Our reference set of Raman spectra is useful for revealing discrepancies between the SERS and solid/solution spectra of amino acids. We also found that some previously published Raman spectra of polycrystalline samples resemble glassy state rather than crystalline spectra. Therefore, this reference set of spectra will find application in every branch of Raman spectroscopy where the spectra of biomolecules are collected from coatings.
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Affiliation(s)
- Tomáš Pazderka
- Institute of Physics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, CZ-121 16 Prague 2, Czech Republic
| | - Vladimír Kopecký
- Institute of Physics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, CZ-121 16 Prague 2, Czech Republic.
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Lu H, Zhu L, Zhang C, Wang Z, Lv Y, Chen K, Cui Y. Highly uniform SERS-active microchannel on hydrophobic PDMS: a balance of high reproducibility and sensitivity for detection of proteins. RSC Adv 2017. [DOI: 10.1039/c6ra25173k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
SERS-active microchannels on hydrophobic polydimethylsiloxane (PDMS) with both high reproducibility and sensitivity are fabricated. Proteins might denature while drying on the SERS-active substrate, but keep native structures in the microchannels.
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Affiliation(s)
- Hui Lu
- Advanced Photonics Center
- Southeast University
- Nanjing 210096
- China
| | - Li Zhu
- Advanced Photonics Center
- Southeast University
- Nanjing 210096
- China
| | - Chuanlong Zhang
- Advanced Photonics Center
- Southeast University
- Nanjing 210096
- China
| | - Zhile Wang
- Advanced Photonics Center
- Southeast University
- Nanjing 210096
- China
| | - Yiru Lv
- Advanced Photonics Center
- Southeast University
- Nanjing 210096
- China
| | - Kexiang Chen
- Advanced Photonics Center
- Southeast University
- Nanjing 210096
- China
| | - Yiping Cui
- Advanced Photonics Center
- Southeast University
- Nanjing 210096
- China
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Ma L, Huang Y, Hou M, Li J, Zhang Z. Pinhole Effect on the Melting Behavior of Ag@Al2O3 SERS Substrates. NANOSCALE RESEARCH LETTERS 2016; 11:170. [PMID: 27033846 PMCID: PMC4816938 DOI: 10.1186/s11671-016-1390-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 03/22/2016] [Indexed: 05/23/2023]
Abstract
High-temperature surface-enhanced Raman scattering (SERS) sensing is significant for practical detections, and pinhole-containing (PC) metal@oxide structures possessing both enhanced thermal stability and superior SERS sensitivity are served as promising SERS sensors at extreme sensing conditions. Through tuning the Al2O3 precursors' exposure time during atomic layer deposition (ALD), Al2O3 shells with different amount of pinholes were covered over Ag nanorods (Ag NRs). By virtue of these unique PC Ag@Al2O3 nanostructures, herein we provide an excellent platform to investigate the relationship between the pinhole rate of Al2O3 shells and the melting behavior, high-temperature SERS performances of these core-shell nanostructures. Pinhole effect on the melting procedures of PC Ag@Al2O3 substrates was characterized in situ via their reflectivity variations during heating, and the specific melting point was quantitatively estimated. It is found that the melting point of PC Ag@Al2O3 raised along with the decrement of pinhole rate, and substrates with less pinholes exhibited better thermal stability but sacrificed SERS efficiency. This work achieved highly reliable and precise control of the pinholes over Al2O3 shells, offering sensitive SERS substrates with intensified thermal stability and superior SERS performances at extreme sensing conditions.
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Affiliation(s)
- Lingwei Ma
- />State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084 People’s Republic of China
| | - Yu Huang
- />State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084 People’s Republic of China
| | - Mengjing Hou
- />State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084 People’s Republic of China
| | - Jianghao Li
- />State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084 People’s Republic of China
| | - Zhengjun Zhang
- />Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084 People’s Republic of China
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Canhisares-Filho JE, Carneiro CEA, de Santana H, Urbano A, da Costa ACS, Zaia CTBV, Zaia DAM. Characterization of the Adsorption of Nucleic Acid Bases onto Ferrihydrite via Fourier Transform Infrared and Surface-Enhanced Raman Spectroscopy and X-ray Diffractometry. ASTROBIOLOGY 2015; 15:728-738. [PMID: 26393397 DOI: 10.1089/ast.2015.1309] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Minerals could have played an important role in concentration, protection, and polymerization of biomolecules. Although iron is the fourth most abundant element in Earth's crust, there are few works in the literature that describe the use of iron oxide-hydroxide in prebiotic chemistry experiments. In the present work, the interaction of adenine, thymine, and uracil with ferrihydrite was studied under conditions that resemble those of prebiotic Earth. At acidic pH, anions in artificial seawater decreased the pH at the point of zero charge (pHpzc) of ferrihydrite; and at basic pH, cations increased the pHpzc. The adsorption of nucleic acid bases onto ferrihydrite followed the order adenine >> uracil > thymine. Adenine adsorption peaked at neutral pH; however, for thymine and uracil, adsorption increased with increasing pH. Electrostatic interactions did not appear to play an important role on the adsorption of nucleic acid bases onto ferrihydrite. Adenine adsorption onto ferrihydrite was higher in distilled water compared to artificial seawater. After ferrihydrite was mixed with artificial seawaters or nucleic acid bases, X-ray diffractograms and Fourier transform infrared spectra did not show any change. Surface-enhanced Raman spectroscopy showed that the interaction of adenine with ferrihydrite was not pH-dependent. In contrast, the interactions of thymine and uracil with ferrihydrite were pH-dependent such that, at basic pH, thymine and uracil lay flat on the surface of ferrihydrite, and at acidic pH, thymine and uracil were perpendicular to the surface. Ferrihydrite adsorbed much more adenine than thymine; thus adenine would have been better protected against degradation by hydrolysis or UV radiation on prebiotic Earth.
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Affiliation(s)
- José E Canhisares-Filho
- 1 Laboratório de Química Prebiótica, Departamento de Química-CCE, Universidade Estadual de Londrina , Londrina-PR, Brazil
| | - Cristine E A Carneiro
- 1 Laboratório de Química Prebiótica, Departamento de Química-CCE, Universidade Estadual de Londrina , Londrina-PR, Brazil
| | - Henrique de Santana
- 1 Laboratório de Química Prebiótica, Departamento de Química-CCE, Universidade Estadual de Londrina , Londrina-PR, Brazil
| | - Alexandre Urbano
- 2 Departamento de Física-CCE, Universidade Estadual de Londrina , Londrina-PR, Brazil
| | - Antonio C S da Costa
- 3 Departamento de Agronomia-CCA, Universidade Estadual de Maringá , Maringá-PR, Brazil
| | - Cássia T B V Zaia
- 4 Departamento de Ciências Fisiológicas-CCB, Universidade Estadual de Londrina , Londrina-PR, Brazil
| | - Dimas A M Zaia
- 1 Laboratório de Química Prebiótica, Departamento de Química-CCE, Universidade Estadual de Londrina , Londrina-PR, Brazil
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Hao J, Han MJ, Meng X, Weimer W, Wang QK. Surface-enhanced Raman scattering of perchlorate on cationic-modified silver nanofilms - Effect of inorganic anions. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 136 Pt C:1593-1599. [PMID: 25459720 DOI: 10.1016/j.saa.2014.10.052] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 10/12/2014] [Accepted: 10/16/2014] [Indexed: 06/04/2023]
Abstract
Surface-enhanced Raman scattering (SERS) has emerged as one of the most sensitive spectroscopic analysis methods for the detection of environmental contaminants in water, including perchlorate (ClO4(-)). However, as with other commonly used analytical techniques, analysis of realistic environmental samples by SERS presents a challenge due to complex chemical components coexisting in the samples. In this work, we investigated the influence of inorganic anions (particularly oxyanions) on SERS spectra of ClO4(-) using a cationic thiol modified silver nanofilm substrate (Cys-Ag/rCu). The results show that the anions present in the samples did not shift the ClO4(-) characteristic band positions, but did decrease signal intensities due to their competitive binding with the -NH3(+) groups of cationic thiol molecules immobilized on the substrates. The pH changes caused by both the dissociation of H2PO4(-) and the hydrolysis of HCO3(-) may also play a non-negligible role. The selectivity of the Cys-Ag/rCu substrate towards these anions was determined to be in the following order: ClO4(-)>SO4(2-)>HCO3(-), NO3(-)>Cl(-)>H2PO4(-), indicating preferential adsorption of ClO4(-) ions. In the solutions with multiple anions present, the ClO4(-) SERS spectra were affected simultaneously by all the coexisting anions. Calibration curves with very good linear relationships were successfully obtained, demonstrating the great potential of quantitative detection of aqueous ClO4(-) in the matrix.
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Affiliation(s)
- Jumin Hao
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA; Agiltron Inc., 15 Presidential Way, Woburn, MA 01801, USA
| | - Mei-Juan Han
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA.
| | - Xiaoguang Meng
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA
| | - Wayne Weimer
- Agiltron Inc., 15 Presidential Way, Woburn, MA 01801, USA
| | - Qingwu K Wang
- Agiltron Inc., 15 Presidential Way, Woburn, MA 01801, USA
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