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Scherrer D, Vogel D, Drechsler U, Olziersky A, Sparr C, Mayor M, Lörtscher E. Monitoring Solid-Phase Reactions in Self-Assembled Monolayers by Surface-Enhanced Raman Spectroscopy. Angew Chem Int Ed Engl 2021; 60:17981-17988. [PMID: 34048139 PMCID: PMC8456949 DOI: 10.1002/anie.202102319] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 05/18/2021] [Indexed: 12/27/2022]
Abstract
Nanopatterned surfaces enhance incident electromagnetic radiation and thereby enable the detection and characterization of self-assembled monolayers (SAMs), for instance in surface-enhanced Raman spectroscopy (SERS). Herein, Au nanohole arrays, developed and characterized as SERS substrates, are exemplarily used for monitoring a solid-phase deprotection and a subsequent copper(I)-catalyzed azide-alkyne cycloaddition "click" reaction, performed directly on the corresponding SAMs. The SERS substrate was found to be highly reliable in terms of signal reproducibility and chemical stability. Furthermore, the intermediates and the product of the solid-phase synthesis were identified by SERS. The spectra of the immobilized compounds showed minor differences compared to spectra of the microcrystalline solids. With its uniform SERS signals and the high chemical stability, the platform paves the way for monitoring molecular manipulations in surface functionalization applications.
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Affiliation(s)
- Dominik Scherrer
- Science and Technology Department, IBM Research EuropeSäumerstrasse 48803RüschlikonSwitzerland
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 194056BaselSwitzerland
| | - David Vogel
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 194056BaselSwitzerland
| | - Ute Drechsler
- Science and Technology Department, IBM Research EuropeSäumerstrasse 48803RüschlikonSwitzerland
| | - Antonis Olziersky
- Science and Technology Department, IBM Research EuropeSäumerstrasse 48803RüschlikonSwitzerland
| | - Christof Sparr
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 194056BaselSwitzerland
| | - Marcel Mayor
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 194056BaselSwitzerland
- Institute for Nanotechnology (INT)Karlsruhe Institute of Technology (KIT)P. O. Box 364076021KarlsruheGermany
- Lehn Institute of Functional Materials (LIFM)School of ChemistrySun Yat-Sen University (SYSU)Guangzhou510275P.R. China
| | - Emanuel Lörtscher
- Science and Technology Department, IBM Research EuropeSäumerstrasse 48803RüschlikonSwitzerland
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102
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Nie Y, Jin C, Zhang JXJ. Microfluidic In Situ Patterning of Silver Nanoparticles for Surface-Enhanced Raman Spectroscopic Sensing of Biomolecules. ACS Sens 2021; 6:2584-2592. [PMID: 34148342 DOI: 10.1021/acssensors.1c00117] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This work integrates the advantages of microfluidic devices, nanoparticle synthesis, and on-chip sensing of biomolecules. The concept of microreactors brings new opportunities in chemical synthesis, especially for metallic nanoparticles favorable in surface-enhanced Raman spectroscopy (SERS) for high-resolution and low-limit detection of biomolecules. However, still missing is our understanding of reactions at the microscale and how microsystems can be exploited in biosensing applications via precise control of nanomaterial synthesis. We investigate how microfluidic geometry affects nanoparticle patterning for high-resolution SERS-based sensing and propose a spiral-shaped microchannel that can achieve enhanced mixing, rapid reaction at room temperature, and uniform in situ patterning. The roles of channel geometry as the key parameter on patterning have been studied systematically to provide insight into the rational design of continuous microfluidic systems for SERS applications. We also demonstrate potential applications of this integrated system in label-free on-chip detection of 1 pM rhodamine B (enhancement factor, ∼4.3 × 1011) and a 1 nM 41-base single-stranded deoxyribonucleic acid (DNA) sequence (enhancement factor, ∼1.5 × 108). Our ready-to-use multifunctional system provides an alternative strategy for the facile fabrication of SERS-active substrates and promotes system integration, miniaturization, and on-site biological applications.
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Affiliation(s)
- Yuan Nie
- Thayer School of Engineering, Dartmouth College, 14 Engineering Dr., Hanover, New Hampshire 03755, United States
| | - Congran Jin
- Thayer School of Engineering, Dartmouth College, 14 Engineering Dr., Hanover, New Hampshire 03755, United States
| | - John X. J. Zhang
- Thayer School of Engineering, Dartmouth College, 14 Engineering Dr., Hanover, New Hampshire 03755, United States
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103
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Hasanzadeh A, Radmanesh F, Hosseini ES, Hashemzadeh I, Kiani J, Naseri M, Nourizadeh H, Fatahi Y, Azar BKY, Marani BG, Beyzavi A, Mahabadi VP, Karimi M. Synthesis and characterization of vitamin D 3-functionalized carbon dots for CRISPR/Cas9 delivery. Nanomedicine (Lond) 2021; 16:1673-1690. [PMID: 34291668 DOI: 10.2217/nnm-2021-0038] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Aim: To develop a novel nanovector for the delivery of genetic fragments and CRISPR/Cas9 systems in particular. Materials & methods: Vitamin D3-functionalized carbon dots (D/CDs) fabricated using one-step microwave-aided methods were characterized by different microscopic and spectroscopic techniques. The 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl tetrazolium bromide assay and flow cytometry were employed to determine the cell viability and transfection efficiency. Results: D/CDs transfected CRISPR plasmid in various cell lines with high efficiency while maintaining their remarkable efficacy at high serum concentration and low plasmid doses. They also showed great potential for the green fluorescent protein disruption by delivering two different types of CRISPR/Cas9 systems. Conclusion: Given their high efficiency and safety, D/CDs provide a versatile gene-delivery vector for clinical applications.
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Affiliation(s)
- Akbar Hasanzadeh
- Cellular & Molecular Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Advanced Nanobiotechnology & Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Fatemeh Radmanesh
- Uro-Oncology Research Center, Tehran University of Medical Sciences, Tehran, 1449614535, Iran.,Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology & Technology, ACECR, Tehran, 1665659911, Iran
| | - Elaheh Sadat Hosseini
- Cellular & Molecular Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Iman Hashemzadeh
- Cellular & Molecular Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Advanced Nanobiotechnology & Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Jafar Kiani
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Marzieh Naseri
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Helena Nourizadeh
- Advanced Nanobiotechnology & Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Yousef Fatahi
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, 1417613151, Iran.,Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, 1417613151, Iran.,Universal Scientific Education & Research Network (USERN), Tehran, 1417755331, Iran
| | - Behjat Kheiri Yeghaneh Azar
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Student Research Committee, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Behnaz Golnari Marani
- Cellular & Molecular Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Advanced Nanobiotechnology & Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Ali Beyzavi
- Department of Mechanical Engineering, Boston University, Boston, MA 02215, USA
| | - Vahid Pirhajati Mahabadi
- Cellular & Molecular Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Neuroscience research center, Iran University of medical sciences, Tehran, 1449614535, Iran
| | - Mahdi Karimi
- Cellular & Molecular Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Advanced Nanobiotechnology & Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Oncopathology Research Center, Iran University of Medical Sciences, Tehran, 1449614535, Iran.,Research Center for Science & Technology in Medicine, Tehran University of Medical Sciences, Tehran, 1417613151, Iran.,Applied Biotechnology Research Centre, Tehran Medical Science, Islamic Azad University, Tehran, 1916893813, Iran
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104
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Liu N, Chen X, Kimm MA, Stechele M, Chen X, Zhang Z, Wildgruber M, Ma X. In vivo optical molecular imaging of inflammation and immunity. J Mol Med (Berl) 2021; 99:1385-1398. [PMID: 34272967 DOI: 10.1007/s00109-021-02115-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 06/04/2021] [Accepted: 07/07/2021] [Indexed: 12/20/2022]
Abstract
Inflammation is the phenotypic form of various diseases. Recent development in molecular imaging provides new insights into the diagnostic and therapeutic evaluation of different inflammatory diseases as well as diseases involving inflammation such as cancer. While conventional imaging techniques used in the clinical setting provide only indirect measures of inflammation such as increased perfusion and altered endothelial permeability, optical imaging is able to report molecular information on diseased tissue and cells. Optical imaging is a quick, noninvasive, nonionizing, and easy-to-use diagnostic technology which has been successfully applied for preclinical research. Further development of optical imaging technology such as optoacoustic imaging overcomes the limitations of mere fluorescence imaging, thereby enabling pilot clinical applications in humans. By means of endogenous and exogenous contrast agents, sites of inflammation can be accurately visualized in vivo. This allows for early disease detection and specific disease characterization, enabling more rapid and targeted therapeutic interventions. In this review, we summarize currently available optical imaging techniques used to detect inflammation, including optical coherence tomography (OCT), bioluminescence, fluorescence, optoacoustics, and Raman spectroscopy. We discuss advantages and disadvantages of the different in vivo imaging applications with a special focus on targeting inflammation including immune cell tracking.
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Affiliation(s)
- Nian Liu
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing, 210009, China
- Department of Chemistry, Technical University of Munich, 85747, Garching, Germany
| | - Xiao Chen
- Klinik und Poliklinik IV, University Hospital, LMU Munich, 80336, Munich, Germany
| | - Melanie A Kimm
- Department of Radiology, University Hospital, LMU Munich, 81337, Munich, Germany
| | - Matthias Stechele
- Department of Radiology, University Hospital, LMU Munich, 81337, Munich, Germany
| | - Xueli Chen
- School of Life Science and Technology, Xidian University, Xi'an 710126, China
| | - Zhimin Zhang
- School of Control Science and Engineering, Shandong University, Jinan, 250061, China
| | - Moritz Wildgruber
- Department of Radiology, University Hospital, LMU Munich, 81337, Munich, Germany
| | - Xiaopeng Ma
- School of Control Science and Engineering, Shandong University, Jinan, 250061, China.
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105
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Concentration and solvent dependent SERS, DFT, MD simulations and molecular docking studies of a thioxothiazolidine derivative with antimicrobial properties. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115582] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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106
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Electroless deposition via galvanic displacement as a simple way for the preparation of silver, gold, and copper SERS-active substrates. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126310] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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107
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Noh S, Kim J, Kim G, Park C, Jang H, Lee M, Lee T. Recent Advances in CRP Biosensor Based on Electrical, Electrochemical and Optical Methods. SENSORS 2021; 21:s21093024. [PMID: 33925825 PMCID: PMC8123455 DOI: 10.3390/s21093024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/13/2021] [Accepted: 04/22/2021] [Indexed: 12/12/2022]
Abstract
C-reactive protein (CRP) is an acute-phase reactive protein that appears in the bloodstream in response to inflammatory cytokines such as interleukin-6 produced by adipocytes and macrophages during the acute phase of the inflammatory/infectious process. CRP measurement is widely used as a representative acute and chronic inflammatory disease marker. With the development of diagnostic techniques measuring CRP more precisely than before, CRP is being used not only as a traditional biomarker but also as a biomarker for various diseases. The existing commercialized CRP assays are dominated by enzyme-linked immunosorbent assay (ELISA). ELISA has high selectivity and sensitivity, but its limitations include requiring complex analytic processes, long analysis times, and professional manpower. To overcome these problems, nanobiotechnology is able to provide alternative diagnostic tools. By introducing the nanobio hybrid material to the CRP biosensors, CRP can be measured more quickly and accurately, and highly sensitive biosensors can be used as portable devices. In this review, we discuss the recent advancements in electrochemical, electricity, and spectroscopy-based CRP biosensors composed of biomaterial and nanomaterial hybrids.
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Affiliation(s)
- Seungwoo Noh
- Department of Chemical Engineering, Kwangwoon University, Seoul 01897, Korea; (S.N.); (J.K.); (G.K.); (C.P.)
| | - Jinmyeong Kim
- Department of Chemical Engineering, Kwangwoon University, Seoul 01897, Korea; (S.N.); (J.K.); (G.K.); (C.P.)
| | - Gahyeon Kim
- Department of Chemical Engineering, Kwangwoon University, Seoul 01897, Korea; (S.N.); (J.K.); (G.K.); (C.P.)
| | - Chulhwan Park
- Department of Chemical Engineering, Kwangwoon University, Seoul 01897, Korea; (S.N.); (J.K.); (G.K.); (C.P.)
| | - Hongje Jang
- Department of Chemistry, Kwangwoon University, 20 Kwangwoon-Ro, Nowon-Gu, Seoul 01897, Korea;
| | - Minho Lee
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea
- Correspondence: (M.L.); (T.L.); Tel.: +82-2-820-8320 (M.L.); +82-2-940-5771 (T.L.)
| | - Taek Lee
- Department of Chemical Engineering, Kwangwoon University, Seoul 01897, Korea; (S.N.); (J.K.); (G.K.); (C.P.)
- Correspondence: (M.L.); (T.L.); Tel.: +82-2-820-8320 (M.L.); +82-2-940-5771 (T.L.)
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108
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Wang J, Chen Q, Belwal T, Lin X, Luo Z. Insights into chemometric algorithms for quality attributes and hazards detection in foodstuffs using Raman/surface enhanced Raman spectroscopy. Compr Rev Food Sci Food Saf 2021; 20:2476-2507. [DOI: 10.1111/1541-4337.12741] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 02/08/2021] [Accepted: 02/23/2021] [Indexed: 12/12/2022]
Affiliation(s)
- Jingjing Wang
- College of Biosystems Engineering and Food Science, Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agri‐Food Processing, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang University Hangzhou People's Republic of China
| | - Quansheng Chen
- School of Food and Biological Engineering Jiangsu University Zhenjiang People's Republic of China
| | - Tarun Belwal
- College of Biosystems Engineering and Food Science, Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agri‐Food Processing, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang University Hangzhou People's Republic of China
| | - Xingyu Lin
- College of Biosystems Engineering and Food Science, Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agri‐Food Processing, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang University Hangzhou People's Republic of China
| | - Zisheng Luo
- College of Biosystems Engineering and Food Science, Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agri‐Food Processing, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang University Hangzhou People's Republic of China
- Ningbo Research Institute Zhejiang University Ningbo People's Republic of China
- Fuli Institute of Food Science Hangzhou People's Republic of China
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109
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Limaye MV, Pramanik M, Singh SB, Paik GR, Singh P. Application of Delafossite AgFeO
2
Nanoparticles as SERS Substrate and Antimicrobial Agent. ChemistrySelect 2021. [DOI: 10.1002/slct.202004445] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Mukta V. Limaye
- Department of Physics Indian Institute of Science Education & Research Berhampur 760010 Odisha India
| | - Monidipa Pramanik
- Department of Physics Indian Institute of Science Education & Research Berhampur 760010 Odisha India
| | - Shashi B. Singh
- Department of Physics Indian Institute of Science Education & Research Berhampur 760010 Odisha India
| | - Gyan Ranjan Paik
- Department of Biological Sciences Indian Institute of Science Education & Research Berhampur 760010 Odisha India
| | - Prabhat Singh
- Department of Biological Sciences Indian Institute of Science Education & Research Berhampur 760010 Odisha India
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110
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Saletnik A, Saletnik B, Puchalski C. Overview of Popular Techniques of Raman Spectroscopy and Their Potential in the Study of Plant Tissues. Molecules 2021; 26:1537. [PMID: 33799702 PMCID: PMC7999012 DOI: 10.3390/molecules26061537] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/05/2021] [Accepted: 03/09/2021] [Indexed: 01/15/2023] Open
Abstract
Raman spectroscopy is one of the main analytical techniques used in optical metrology. It is a vibration, marker-free technique that provides insight into the structure and composition of tissues and cells at the molecular level. Raman spectroscopy is an outstanding material identification technique. It provides spatial information of vibrations from complex biological samples which renders it a very accurate tool for the analysis of highly complex plant tissues. Raman spectra can be used as a fingerprint tool for a very wide range of compounds. Raman spectroscopy enables all the polymers that build the cell walls of plants to be tracked simultaneously; it facilitates the analysis of both the molecular composition and the molecular structure of cell walls. Due to its high sensitivity to even minute structural changes, this method is used for comparative tests. The introduction of new and improved Raman techniques by scientists as well as the constant technological development of the apparatus has resulted in an increased importance of Raman spectroscopy in the discovery and defining of tissues and the processes taking place in them.
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Affiliation(s)
| | - Bogdan Saletnik
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszów, Ćwiklińskiej 2D, 35-601 Rzeszów, Poland; (A.S.); (C.P.)
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111
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Grossmann L, Kinchla AJ, Nolden A, McClements DJ. Standardized methods for testing the quality attributes of plant-based foods: Milk and cream alternatives. Compr Rev Food Sci Food Saf 2021; 20:2206-2233. [PMID: 33547726 DOI: 10.1111/1541-4337.12718] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/27/2020] [Accepted: 01/10/2021] [Indexed: 12/13/2022]
Abstract
The food industry is creating a diverse range of plant-based alternatives to dairy products, such as milks, creams, yogurts, and cheeses due to the increasing demand from consumers for more sustainable, healthy, and ethical products. These dairy alternatives are often designed to mimic the desirable physicochemical, functional, and sensory properties of real dairy products, such as their appearance, texture, mouthfeel, flavor, and shelf-life. At present, there is a lack of systematic testing methods to characterize the properties of plant-based dairy alternatives. The purpose of this review is to critically evaluate existing methods and recommend a series of standardized tests that could be used to quantify the properties of fluid plant-based milk alternatives (milk and cream). These methods could then be used to facilitate the design of milk alternatives with somewhat similar attributes as real dairy milk by comparing their properties under standardized conditions. Moreover, they could be used to facilitate comparison of the properties of milk alternatives developed in different laboratories.
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Affiliation(s)
- Lutz Grossmann
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts
| | - Amanda J Kinchla
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts
| | - Alissa Nolden
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts
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112
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Cheng H, Dong X, Yang Y, Feng Y, Wang T, Tahir MA, Zhang L, Fu H. Au nanoring arrays as surface enhanced Raman spectroscopy substrate for chemical component study of individual atmospheric aerosol particle. J Environ Sci (China) 2021; 100:11-17. [PMID: 33279023 DOI: 10.1016/j.jes.2020.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/12/2020] [Accepted: 07/04/2020] [Indexed: 06/12/2023]
Abstract
Monolayer-ordered gold nanoring arrays were prepared by ion-sputtering method and used as surface enhanced Raman spectroscopy (SERS) substrates to test the individual atmospheric aerosols particle. Compared to other methods used for testing atmospheric aerosols particles, the collection and subsequent detection in our work is performed directly on the gold nanoring SERS substrate without any treatment of the analyte. The SERS performance can be tuned by changing the depth of the gold nanoring cavity as originating from coupling of dipolar modes at the inner and outer surfaces of the nanorings. The electric field exhibits uniform enhancement and polarization in the ordered Au nanoring substrate, which can improve the accuracy for detecting atmospheric aerosol particles. Combined with Raman mapping, the information about chemical composition of individual atmospheric aerosols particle and distribution of specific components can be presented visually. The results show the potential of SERS in enabling improved analysis of aerosol particle chemical composition, mixing state, and other related physicochemical properties.
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Affiliation(s)
- Hanyun Cheng
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, China
| | - Xu Dong
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, China
| | - Yang Yang
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, China
| | - Yiqing Feng
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, China
| | - Tao Wang
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, China
| | - Muhammad Ali Tahir
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, China
| | - Liwu Zhang
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
| | - Hongbo Fu
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, China.
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113
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Martinez L, He L. Detection of Mycotoxins in Food Using Surface-Enhanced Raman Spectroscopy: A Review. ACS APPLIED BIO MATERIALS 2021; 4:295-310. [PMID: 35014285 DOI: 10.1021/acsabm.0c01349] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Mycotoxins are toxic metabolites produced by fungi that contaminate many important crops worldwide. Humans are commonly exposed to mycotoxins through the consumption of contaminated food products. Mycotoxin contamination is unpredictable and unavoidable; it occurs at any point in the food production system under favorable conditions, and they cannot be destroyed by common heat treatments, because of their high thermal stability. Early and fast detection plays an essential role in this unique challenge to monitor the presence of these compounds in the food chain. Surface-enhanced Raman spectroscopy (SERS) is an advanced spectroscopic technique that integrates Raman spectroscopic molecular fingerprinting and enhanced sensitivity based on nanotechnology to meet the requirement of sensitivity and selectivity, but that can also be performed in a cost-effective and straightforward manner. This Review focuses on the SERS methodologies applied to date for qualitative and quantitative analysis of mycotoxins based on a variety of SERS substrates, as well as our perspectives on current limitations and future trends for applying this technique to mycotoxin analyses.
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Affiliation(s)
- Lourdes Martinez
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts United States
| | - Lili He
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts United States
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114
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Mirbagheri M, Kaur J, Pham HV, Adibnia V, Zarrin H, Banquy X, Hwang DK. Plasmon-Free Polymeric Nanowrinkled Substrates for Surface-Enhanced Raman Spectroscopy of Two-Dimensional Materials. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:322-329. [PMID: 33347302 DOI: 10.1021/acs.langmuir.0c02912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We report plasmon-free polymeric nanowrinkled substrates for surface-enhanced Raman spectroscopy (SERS). Our simple, rapid, and cost-effective fabrication method involves depositing a poly(ethylene glycol)diacrylate (PEGDA) prepolymer solution droplet on a fully polymerized, flat PEGDA substrate, followed by drying the droplet at room conditions and plasma treatment, which polymerizes the deposited layer. The thin polymer layer buckles under axial stress during plasma treatment due to its different mechanical properties from the underlying soft substrate, creating hierarchical wrinkled patterns. We demonstrate the variation of the wrinkling wavelength with the drying polymer molecular weight and concentration (direct relations are observed). A transition between micron to nanosized wrinkles is observed at 5 v % concentration of the lower molecular-weight polymer solution (PEGDA Mn 250). The wrinkled substrates are observed to be reproducible, stable (at room conditions), and, especially, homogeneous at and below the transition regime, where nanowrinkles dominate, making them suitable candidates for SERS. As a proof-of-concept, the enhanced SERS performance of micro/nanowrinkled surfaces in detecting graphene and hexagonal boron nitride (h-BN) is illustrated. Compared to the SiO2/Si surfaces, the wrinkled PEGDA substrates significantly enhanced the signature Raman band intensities of graphene and h-BN by a factor of 8 and 50, respectively.
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Affiliation(s)
- Marziye Mirbagheri
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
- Keenan Research Center, Li Ki Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
- Faculty of Pharmacy, Université de Montréal, C.P. 6128, Succursale Centre Ville, Montreal, Quebec H3C 3J7, Canada
| | - Jasneet Kaur
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
| | - Hoang Vu Pham
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
- Keenan Research Center, Li Ki Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
| | - Vahid Adibnia
- Faculty of Pharmacy, Université de Montréal, C.P. 6128, Succursale Centre Ville, Montreal, Quebec H3C 3J7, Canada
| | - Hadis Zarrin
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
| | - Xavier Banquy
- Faculty of Pharmacy, Université de Montréal, C.P. 6128, Succursale Centre Ville, Montreal, Quebec H3C 3J7, Canada
| | - Dae Kun Hwang
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
- Keenan Research Center, Li Ki Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
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Zhao YX, Zhu WW, Wu YY, Chen YY, Du FK, Yan J, Tan XC, Wang Q. Sensitive surface-enhanced Raman scattering for the quantitative detection of formaldehyde in foods using gold nanorod substrate. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105727] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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116
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Bizzarri AR, Cannistraro S. Toward Cancer Diagnostics of the Tumor Suppressor p53 by Surface Enhanced Raman Spectroscopy. SENSORS (BASEL, SWITZERLAND) 2020; 20:s20247153. [PMID: 33327383 PMCID: PMC7764831 DOI: 10.3390/s20247153] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/07/2020] [Accepted: 12/11/2020] [Indexed: 05/10/2023]
Abstract
The tumor suppressor p53 protein plays a crucial role in many biological processes. The presence of abnormal concentrations of wild-type p53, or some of its mutants, can be indicative of a pathological cancer state. p53 represents therefore a valuable biomarker for tumor screening approaches and development of suitable biosensors for its detection deserves a high interest in early diagnostics. Here, we revisit our experimental approaches, combining Surface Enhanced Raman Spectroscopy (SERS) and nanotechnological materials, for ultrasensitive detection of wild-type and mutated p53, in the perspective to develop biosensors to be used in clinical diagnostics. The Raman marker is provided by a small molecule (4-ATP) acting as a bridge between gold nanoparticles (NPs) and a protein biomolecule. The Azurin copper protein and specific antibodies of p53 were used as a capture element for p53 (wild-type and its mutants). The developed approaches allowed us to reach a detection level of p53 down to 10-17 M in both buffer and serum. The implementation of the method in a biosensor device, together with some possible developments are discussed.
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Kashif M, Majeed MI, Hanif MA, Rehman AU. Surface Enhanced Raman Spectroscopy of the serum samples for the diagnosis of Hepatitis C and prediction of the viral loads. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 242:118729. [PMID: 32712574 DOI: 10.1016/j.saa.2020.118729] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 07/10/2020] [Accepted: 07/13/2020] [Indexed: 06/11/2023]
Abstract
In this study, Surface Enhanced Raman Spectroscopy (SERS) was used for the characterization of Hepatitis C virus (HCV) in blood serum samples. For this purpose silver nanoparticles (Ag NPs) were used as substrates and SERS spectra were acquired from different clinically diagnosed HCV positive serum samples as well as from healthy individuals. Notably, same set of samples were also evaluated with Raman spectroscopy and SERS was found to be more helpful for the identification of the spectral features associated with the development of HCV infection. Different SERS features associated with the RNA bases were observed solely in the HCV positive serum as compared to the healthy samples which can be considered as SERS spectral markers of the HCV infection. Furthermore, principal component analysis (PCA) of the SERS spectral data was found to be very helpful in differentiation of spectral data of serum samples with different viral loads PLSR model was constructed to compare the capability of SERS and Raman analysis in the prediction of viral loads. It is found that SERS shows lower root mean square error of cross validation (RMSECV) and higher goodness of the model (R2) values than Raman data.
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Affiliation(s)
- Muhammad Kashif
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | | | | | - Ateeq Ur Rehman
- Department of Physics, University of Agriculture, Faisalabad, Pakistan
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118
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Dixon K, Montazeri AO, Shayegannia M, Barnard ES, Cabrini S, Matsuura N, Holman HY, Kherani NP. Tunable rainbow light trapping in ultrathin resonator arrays. LIGHT, SCIENCE & APPLICATIONS 2020; 9:194. [PMID: 33298862 PMCID: PMC7693327 DOI: 10.1038/s41377-020-00428-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 09/22/2020] [Accepted: 11/05/2020] [Indexed: 05/30/2023]
Abstract
Rainbow light trapping in plasmonic devices allows for field enhancement of multiple wavelengths within a single device. However, many of these devices lack precise control over spatial and spectral enhancement profiles and cannot provide extremely high localised field strengths. Here we present a versatile, analytical design paradigm for rainbow trapping in nanogroove arrays by utilising both the groove-width and groove-length as tuning parameters. We couple this design technique with fabrication through multilayer thin-film deposition and focused ion beam milling, which enables the realisation of unprecedented feature sizes down to 5 nm and corresponding extreme normalised local field enhancements up to 103. We demonstrate rainbow trapping within the devices through hyperspectral microscopy and show agreement between the experimental results and simulation. The combination of expeditious design and precise fabrication underpins the implementation of these nanogroove arrays for manifold applications in sensing and nanoscale optics.
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Affiliation(s)
- Katelyn Dixon
- Department of Electrical & Computer Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada
| | - Arthur O Montazeri
- Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, CA, 94720, USA
| | - Moein Shayegannia
- Department of Electrical & Computer Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada
| | - Edward S Barnard
- Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, CA, 94720, USA
| | - Stefano Cabrini
- Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, CA, 94720, USA
| | - Naomi Matsuura
- Department of Materials Science & Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada
| | - Hoi-Ying Holman
- Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, CA, 94720, USA
| | - Nazir P Kherani
- Department of Electrical & Computer Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada.
- Department of Materials Science & Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada.
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119
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Brülke C, Bauer O, Sokolowski MM. The influence of an interfacial hBN layer on the fluorescence of an organic molecule. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:1663-1684. [PMID: 33194516 PMCID: PMC7653332 DOI: 10.3762/bjnano.11.149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 10/09/2020] [Indexed: 06/11/2023]
Abstract
We investigated the ability of a single layer of hexagonal boron nitride (hBN) to decouple the excited state of the organic molecule 3,4,9,10-perylene tetracarboxylic dianhydride (PTCDA) from the supporting Cu(111) surface by Raman and fluorescence (FL) spectroscopy. The Raman fingerprint-type spectrum of PTCDA served as a monitor for the presence of molecules on the surface. Several broad and weak FL lines between 18,150 and 18,450 cm-1 can be detected, already from the first monolayer onward. In contrast, FL from PTCDA on a bare Cu(111) surface is present only from the second PTCDA layer onward. Hence, a single layer of hBN decouples PTCDA from the metal substrate to an extent that a weak radiative FL decay of the optical excitation can occur. The different FL lines can be ascribed to different environments of the adsorption sites, namely molecules adsorbed at surface defects, in large ordered domains, and located in the second layer.
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Affiliation(s)
- Christine Brülke
- Institut für Physikalische und Theoretische Chemie, Universität Bonn, Wegelerstr. 12, 53115 Bonn
| | - Oliver Bauer
- Institut für Physikalische und Theoretische Chemie, Universität Bonn, Wegelerstr. 12, 53115 Bonn
| | - Moritz M Sokolowski
- Institut für Physikalische und Theoretische Chemie, Universität Bonn, Wegelerstr. 12, 53115 Bonn
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120
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Nanostructured and Spiky Gold Shell Growth on Magnetic Particles for SERS Applications. NANOMATERIALS 2020; 10:nano10112136. [PMID: 33121012 PMCID: PMC7693944 DOI: 10.3390/nano10112136] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/14/2020] [Accepted: 10/19/2020] [Indexed: 11/24/2022]
Abstract
Multifunctional micro- and nanoparticles have potential uses in advanced detection methods, such as the combined separation and detection of biomolecules. Combining multiple tasks is possible but requires the specific tailoring of these particles during synthesis or further functionalization. Here, we synthesized nanostructured gold shells on magnetic particle cores and demonstrated the use of them in surface-enhanced Raman scattering (SERS). To grow the gold shells, gold seeds were bound to silica-coated iron oxide aggregate particles. We explored different functional groups on the surface to achieve different interactions with gold seeds. Then, we used an aqueous cetyltrimethylammonium bromide (CTAB)-based strategy to grow the seeds into spikes. We investigated the influence of the surface chemistry on seed attachment and on further growth of spikes. We also explored different experimental conditions to achieve either spiky or bumpy plasmonic structures on the particles. We demonstrated that the particles showed SERS enhancement of a model Raman probe molecule, 2-mercaptopyrimidine, on the order of 104. We also investigated the impact of gold shell morphology—spiky or bumpy—on SERS enhancements and on particle stability over time. We found that spiky shells lead to greater enhancements, however their high aspect ratio structures are less stable and morphological changes occur more quickly than observed with bumpy shells.
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121
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Yuan H, Liu M, Huang S, Zhao J, Tao J. Classification and detection of testosterone propionate and nandrolone residues in duck meat using surface-enhanced Raman spectroscopy coupled with multivariate analysis. Poult Sci 2020; 100:296-301. [PMID: 33357693 PMCID: PMC7772710 DOI: 10.1016/j.psj.2020.10.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 10/06/2020] [Accepted: 10/06/2020] [Indexed: 11/26/2022] Open
Abstract
There is a critical need for a rapid and simple method of qualitative and quantitative analysis of testosterone propionate (TP) and nandrolone (NT) residues in duck meat. In this study, we applied surface-enhanced Raman spectroscopy (SERS) coupled multivariate analysis for the classification and detection of TP and NT residues in duck meat. A total of 294 duck meat extract samples were obtained from duck breast meats based on a LC-MS/MS sample preparation method with slight modification including 102 duck meat extract samples without TP and NT, 43 duck meat samples containing TP, 47 duck meat extract samples containing NT, and 102 duck meat extract samples containing TP and NT. Raw Raman spectra were pretreated by using adaptive iteratively reweighted penalized least squares (airPLS), normalization and first derivative, and then the score values of first 10 principal components were selected as the inputs of the developed models. A particle swarm optimization–support vector classification (PSO-SVC) model was created to classify all the duck meat samples into the 4 groups (i.e., control group, TP group, NT group, and TP combined with NT group) with the classification accuracies of 99.49 and 100% for training set and test set, respectively. Furthermore, 2 least squares support vector regression (LS-SVR) models were developed to predict the TP values in samples with a determination coefficient (R2) value of 0.9316, root mean square error (RMSE) value of 2.1739, and ratio of prediction to deviation (RPD) value of 3.2189 for the test set, and NT values in samples with an R2 value of 0.9038, RMSE value of 2.2914, and RPD value of 2.9701 for the test set. Surface-enhanced Raman spectroscopy technology, in combination with multivariate analysis, has the potential to become the qualitative and quantitative analysis tool for TP and NT residues in duck meat extract.
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Affiliation(s)
- Haichao Yuan
- Optics-Electrics Application of Biomaterials Lab, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Muhua Liu
- Optics-Electrics Application of Biomaterials Lab, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China; Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables in Jiangxi Provence, Jiangxi Agricultural University, Nanchang 330045, China
| | - Shuanggen Huang
- Optics-Electrics Application of Biomaterials Lab, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China; Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables in Jiangxi Provence, Jiangxi Agricultural University, Nanchang 330045, China
| | - Jinhui Zhao
- Optics-Electrics Application of Biomaterials Lab, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China; Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables in Jiangxi Provence, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Jinjiang Tao
- Optics-Electrics Application of Biomaterials Lab, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China
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Gimenez AV, Kho KW, Keyes TE. Nano-substructured plasmonic pore arrays: a robust, low cost route to reproducible hierarchical structures extended across macroscopic dimensions. NANOSCALE ADVANCES 2020; 2:4740-4756. [PMID: 36132883 PMCID: PMC9417107 DOI: 10.1039/d0na00527d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/11/2020] [Indexed: 05/17/2023]
Abstract
Plasmonic nanostructures are important across diverse applications from sensing to renewable energy. Periodic porous array structures are particularly attractive because such topography offers a means to encapsulate or capture solution phase species and combines both propagating and localised plasmonic modes offering versatile addressability. However, in analytical spectroscopic applications, periodic pore arrays have typically reported weaker plasmonic signal enhancement compared to particulate structures. This may be addressed by introducing additional nano-structuring into the array to promote plasmonic coupling that promotes electric field-enhancement, whilst retaining pore structure. Introducing nanoparticle structures into the pores is a useful means to promote such coupling. However, current approaches rely on either expensive top-down methods or on bottom-up methods that yield random particle placement and distribution. This report describes a low cost, top-down technique for preparation of nano-sub-structured plasmonic pore arrays in a highly reproducible manner that can be applied to build arrays extending over macroscopic areas of mm2 to cm2. The method exploits oxygen plasma etching, under controlled conditions, of the cavity encapsulated templating polystyrene (PS) spheres used to create the periodic array. Subsequent metal deposition leads to reproducible nano-structuring within the wells of the pore array, coined in-cavity nanoparticles (icNPs). This approach was demonstrated across periodic arrays with pore/sphere diameters ranging from 500 nm to 3 μm and reliably improved the plasmonic properties of the substrate across all array dimensions compared to analogous periodic arrays without the nano-structuring. The enhancement factors achieved for metal enhanced emission and surface enhanced Raman spectroscopy depended on the substrate dimensions, with the best performance achieved for nanostructured 2 μm diameter pore arrays, where a more than 104 improvement over Surface Enhanced Raman Spectroscopy (SERS) and 200-fold improvement over Metal Enhanced Fluorescence (MEF) were observed for these substrates compared with analogous unmodified pore arrays. The experiments were supported by Finite-Difference Time-Domain (FDTD) calculations used to simulate the electric field distribution as a function of pore nano-structuring.
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Affiliation(s)
- Aurélien V Gimenez
- School of Chemical Sciences & National Centre for Sensor Research, Dublin City University Dublin 9 Ireland
| | - Kiang W Kho
- School of Chemical Sciences & National Centre for Sensor Research, Dublin City University Dublin 9 Ireland
| | - Tia E Keyes
- School of Chemical Sciences & National Centre for Sensor Research, Dublin City University Dublin 9 Ireland
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123
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Heleg-Shabtai V, Sharabi H, Zaltsman A, Ron I, Pevzner A. Surface-enhanced Raman spectroscopy (SERS) for detection of VX and HD in the gas phase using a hand-held Raman spectrometer. Analyst 2020; 145:6334-6341. [PMID: 32716417 DOI: 10.1039/d0an01170c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A sensitive surface-enhanced Raman spectroscopy (SERS) substrate was developed to enable hand-held Raman spectrometers to detect gas-phase VX and HD. The substrate comprised Au nanoparticles modified onto quartz fibres. Limits of detection (LOD) of 0.008 μg L-1 and 0.054 μg L-1 were achieved for VX and HD, respectively. Gas-phase experiments were performed using a homemade gas-phase flow system inside a climatic chamber at 25 °C and 50% relative humidity. Preliminary experiments were conducted using VX and HD in solution with Au and Ag nanoparticle colloidal suspensions. We developed and optimized several SERS methods for detection of VX and HD in solution. Gold nanoparticles were optimal for detection of VX and HD and were modified onto quartz fibres for gas-phase detection. The LODs for HD and VX detection in solution were 1.8 × 10-3 μg mL-1 (1.1 × 10-8 M) and 2.5 × 10-3 μg mL-1 (9.3 × 10-9 M), respectively. This study demonstrates that integration of SERS substrates with hand-held Raman spectrometers expands the applicability of Raman technology to homeland security, as reflected by increased sensitivity and gas-phase detection capabilities.
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Affiliation(s)
- Vered Heleg-Shabtai
- Department of Physical Chemistry, Israel Institute for Biological Research, P.O. Box 19, Ness-Ziona 74100, Israel.
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Sol–Gel and Electrospinning Synthesis of Silica–Hydroxyapatite–Silver Nanofibers for SEIRAS and SERS. COATINGS 2020. [DOI: 10.3390/coatings10100910] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Surface-enhanced Raman spectroscopy (SERS) and Surface-enhanced infrared absorption spectroscopy (SEIRAS) are both novel techniques favored by the excitation of surface plasmons onto metal nanostructures. The light emitted from the metal surface couples with the vibrational transitions of molecules in proximity, enhancing its spectral response and leading to more sensitive and effective spectroscopic analysis. The absence of inexpensive and reproducible substrates is among the major impediments to the accurate implementation and optimal performance of the technique. The development of a low-cost active substrate based on silica–hydroxyapatite through sol–gel synthesis and electrospinning is addressed in the present study. Fibers of 512 ± 199 nm diameter were produced after sintering at 1150 °C on the electrospun mats. The fibers are fixed to an indium tin oxide (ITO) glass base for electrodeposition with 10 and 20 mM AgNO3 at 1.5 and 3.3 V at different time periods. Electrodeposition produced silver nanorods and nanocubes on the fibers. The SERS and SEIRAS activity of each one of the nine supports was tested using pyridine 1 nM, comparing it with the spectrum of pyridine 1 mM. An enhancement factor of 2.01 × 106 for the band at 3335 cm−1 was obtained during a SEIRAS essay for the support doped for 2 min at 3.3 V with 10 mM silver nitrate solution. The highest SERS enhancement factor was 3.46 × 108, for the band at 1567 cm−1 in the substrate doped for 5 min at 1.5 V with silver nitrate solution at 10 mM. After testing both samples with 10−4 M violet crystal solution, no SERS enhancement factor was found, but higher band resolution in the spectra was observed.
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125
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New technologies in breast cancer sentinel lymph node biopsy; from the current gold standard to artificial intelligence. Surg Oncol 2020; 34:324-335. [DOI: 10.1016/j.suronc.2020.06.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 05/28/2020] [Accepted: 06/18/2020] [Indexed: 01/14/2023]
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126
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Furletov A, Apyari V, Garshev A, Dmitrienko S. A Comparative Study on the Oxidation of Label-Free Silver Triangular Nanoplates by Peroxides: Main Effects and Sensing Applications. SENSORS (BASEL, SWITZERLAND) 2020; 20:s20174832. [PMID: 32867039 PMCID: PMC7506893 DOI: 10.3390/s20174832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/13/2020] [Accepted: 08/25/2020] [Indexed: 06/11/2023]
Abstract
Nowadays, analytical systems based on silver triangular nanoplates (AgTNPs) have been shown as good prospects for chemical sensing. However, they still remain relatively poorly studied as colorimetric probes for sensing various classes of compounds. This study shows that these nanoparticles are capable of being oxidized by peroxides, including both hydrogen peroxide and its organic derivatives. The oxidation was found to result in a decrease in the AgTNPs' local surface plasmon resonance band intensity at 620 nm. This was proposed for peroxide-sensitive spectrophotometric determination. Five peroxides differing in their structure and number of functional groups were tested. Three of them easily oxidized AgTNPs. The effects of a structure of analytes and main exterior factors on the oxidation are discussed. The detection limits of peroxides in the selected conditions increased in the series peracetic acid < hydrogen peroxide < tert-butyl hydroperoxide, coming to 0.08, 1.6 and 24 μmol L-1, respectively. tert-Butyl peroxybenzoate and di-tert-butyl peroxide were found to have no effect on the spectral characteristics of AgTNPs. By the example of hydrogen peroxide, it was found that the determination does not interfere with 100-4000-fold quantities of common inorganic ions. The proposed approach was successfully applied to the analysis of drugs, cosmetics and model mixtures.
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Affiliation(s)
- Aleksei Furletov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 119991 Moscow, Russia; (V.A.); (A.G.); (S.D.)
| | - Vladimir Apyari
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 119991 Moscow, Russia; (V.A.); (A.G.); (S.D.)
| | - Alexey Garshev
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 119991 Moscow, Russia; (V.A.); (A.G.); (S.D.)
- Department of Materials Science, Lomonosov Moscow State University, Leninskie Gory, 119991 Moscow, Russia
| | - Stanislava Dmitrienko
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 119991 Moscow, Russia; (V.A.); (A.G.); (S.D.)
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127
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Wang C, Wang X, Li C, Xu X, Ye W, Qiu G, Wang D. Silver mirror films deposited on well plates for SERS detection of multi-analytes: Aiming at 96-well technology. Talanta 2020; 222:121544. [PMID: 33167251 DOI: 10.1016/j.talanta.2020.121544] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 08/07/2020] [Accepted: 08/13/2020] [Indexed: 11/15/2022]
Abstract
96-Well technology is associated with automated sample preparation and simultaneous analysis based on the low-cost well plate format. To explore the potential applications of 96-well technology in SERS detection, we examined the surface-bound electroless deposition procedure for the preparation of uniform and stable Ag mirror films on polydopamine (PDA)-coated well plates as active-SERS substrates. In the presented procedure, small Ag seeds assembled on PDA coating were employed as the surface-bound catalyst and provided the active sites for electroless Ag deposition. The high-quality Ag mirror films showed high performance in terms of sensitivity, uniformity, reproducibility and stability using rhodamine 6G (R6G) as the probe molecule. A remarkable enhancement factor of 3.41 × 108 was obtained. The relative standard deviations against well-by-well and batch-by-batch reproducibility were less than 5%. The SERS films on well plates were successfully used to quantify the amounts of organic dyes (R6G and malachite green) in environmental water samples and small biological molecules (adenosine triphosphate and adenine) in urine matrix, displaying satisfactory sensitivity, selectivity and recovery. Their limit of detection values were at nanomolar, even picomolar concentration.
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Affiliation(s)
- Changding Wang
- State Key Laboratory of Applied Organic Chemistry and Department of Chemistry, Lanzhou University, Lanzhou, 730000, China
| | - Xiang Wang
- State Key Laboratory of Applied Organic Chemistry and Department of Chemistry, Lanzhou University, Lanzhou, 730000, China
| | - Chen Li
- Department of Anatomy and Histology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Xiaohui Xu
- Lanzhou Institutes for Food and Drug Control, Lanzhou, 730000, China
| | - Weichun Ye
- State Key Laboratory of Applied Organic Chemistry and Department of Chemistry, Lanzhou University, Lanzhou, 730000, China.
| | - Guoyu Qiu
- Lanzhou Institutes for Food and Drug Control, Lanzhou, 730000, China.
| | - Degui Wang
- Department of Anatomy and Histology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China.
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128
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Shen L, Du Y, Wei N, Li Q, Li S, Sun T, Xu S, Wang H, Man X, Han B. SERS studies on normal epithelial and cancer cells derived from clinical breast cancer specimens. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 237:118364. [PMID: 32361317 DOI: 10.1016/j.saa.2020.118364] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 05/13/2023]
Abstract
Surface-enhanced Raman scattering (SERS) spectroscopy of single-cell suspensions obtained from fresh specimens of breast cancer tissue and normal breast tissue by mechanical enzymatic digestion was obtained and analysed, which is different from most Raman studies using breast cancer cell lines. Random forest classification was implemented to develop effective diagnostic algorithms for the classification of SERS of different typed cells. We first examined the SERS spectra of the primary breast cancer single cell and normal epithelial single cell obtained by flow sorting cytometry due to their biomarkers of CD326+/CD45-. Comparison analyses on their SERS spectra disclose that the nucleic acid and protein levels of the primary breast cancer single cell are higher than those of the normal epithelial single cell, while the lipids are at a relatively lower level. An important finding is that the cholesterol, palmitic acid, and sphingomyelin in the cancer cell profiles exhibit stronger than those of normal cells, while the glycans are at a relatively lower level. Furthermore, the standard deviation (SD) of the normal epithelial single cell is larger than that of the breast cancer cell, and the SD of the primary breast cancer single cell is more obvious than that of the normal epithelial cells. In addition, the prospective application of an algorithm to the dataset results in an accuracy of 78.2%, a precision of 75.5%, and a recall of 66.7%. The breast cancer diagnostic model laid a solid foundation for judgment of breast-conserving surgical margins and early diagnosis of breast cancer.
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Affiliation(s)
- LiShengNan Shen
- Department of Breast Surgery, The First Hospital, Jilin University, Changchun 130000, Jilin, China
| | - Ye Du
- Department of Breast Surgery, The First Hospital, Jilin University, Changchun 130000, Jilin, China
| | - Na Wei
- Third Operating Room, The First Hospital, Jilin University, Changchun 13000, Jilin, China
| | - Qian Li
- Department of Breast Surgery, The First Hospital, Jilin University, Changchun 130000, Jilin, China
| | - SiMin Li
- Department of Breast Surgery, The First Hospital, Jilin University, Changchun 130000, Jilin, China
| | - TianMeng Sun
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun 130000, Jilin, China; International Center of Future Science, Jilin University, Changchun 130000, Jilin, China; National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun 130000, Jilin, China
| | - Shuping Xu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University, Changchun, Jilin 130012, China
| | - Han Wang
- College of Information Science and Technology, Northeast Normal University, Changchun 130117, China; Institution of Computational Biology, Northeast Normal University, Changchun 130117, China
| | - XiaXia Man
- Department of Gynaecology, The First Hospital, Jilin University, Changchun 130000, Jilin, China
| | - Bing Han
- Department of Breast Surgery, The First Hospital, Jilin University, Changchun 130000, Jilin, China.
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Liu R, Jiang L, Lu C, Yu Z, Li F, Jing X, Xu R, Zhou W, Jin S. Large-scale two-dimensional titanium carbide MXene as SERS-active substrate for reliable and sensitive detection of organic pollutants. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 236:118336. [PMID: 32305834 DOI: 10.1016/j.saa.2020.118336] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 03/24/2020] [Accepted: 03/31/2020] [Indexed: 05/23/2023]
Abstract
As a new class of two-dimensional material, MXene not only has the unique planar structure, electronic and optical properties, but also has a large surface area and hydrophilicity, which make them to build as potential SERS substrates with good sensitivity and stability. In this work, we reported a modified method by adjusting the ratio of HCl to LiF and reducing sonicate time to form large-sized monolayer Ti3C2Tx nanosheets. SERS performance of Ti3C2Tx was demonstrated by detecting dye molecules such as CV, R6G and MG. A remarkable enhanced effect was obtained, and Raman signals up to 10-8 M could be detected. Furthermore, the relationship between SERS effects and illumination laser wavelengths of different probe molecules has been studied, the results showed the selectivity between dye molecules and the excitation wavelengths. Besides, the uniformity and stability of the substrates have been proved by mapping experiments in a large area (80 × 80 μm2). The results demonstrated that Ti3C2Tx nanosheets can be built as lager-sized, uniform and stable sensor for ultra-sensitive detection of organic dye pollutant molecules.
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Affiliation(s)
- Rongyang Liu
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China
| | - Li Jiang
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China.
| | - Chengxing Lu
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
| | - Zizhen Yu
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China
| | - Fanghao Li
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China
| | - Xufeng Jing
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China
| | - Rui Xu
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China
| | - Wei Zhou
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
| | - Shangzhong Jin
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China.
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130
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D'Agostino A, Giovannozzi AM, Mandrile L, Sacco A, Rossi AM, Taglietti A. In situ seed-growth synthesis of silver nanoplates on glass for the detection of food contaminants by surface enhanced Raman scattering. Talanta 2020; 216:120936. [DOI: 10.1016/j.talanta.2020.120936] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/12/2020] [Accepted: 03/14/2020] [Indexed: 12/24/2022]
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131
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Application of surface-enhanced Raman spectroscopy in fast detection of toxic and harmful substances in food. Biosens Bioelectron 2020; 167:112480. [PMID: 32798805 DOI: 10.1016/j.bios.2020.112480] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 07/20/2020] [Accepted: 07/26/2020] [Indexed: 01/28/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is being considered as a powerful technique in the area of food safety due to its rapidity, sensitivity, portability, and non-destructive features. This review aims to provide a comprehensive understanding of SERS applications in fast detection of toxic and harmful substances in food matrix. The enhancement mechanism of SERS, classification of active substrates, detection methods, and their advantages and disadvantages are briefly discussed in the review. The latest research progress of fast SERS detection of food-borne pathogens, mycotoxins, shellfish toxins, illegal food additives, and drug residues are highlighted in sections of the review. According to the current status of SERS detection of food-derived toxic and harmful substances, the review comes up with certain problems to be urgently resolved in SERS and brings up the perspectives on the future directions of SERS based biosensors.
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132
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Quantification of deltamethrin residues in wheat by Ag@ZnO NFs-based surface-enhanced Raman spectroscopy coupling chemometric models. Food Chem 2020; 337:127652. [PMID: 32799158 DOI: 10.1016/j.foodchem.2020.127652] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 07/15/2020] [Accepted: 07/19/2020] [Indexed: 11/22/2022]
Abstract
Deltamethrin, one of the most toxic pyrethroids, is commonly used to inhibit pests in wheat. However, the trace levels of deltamethrin in wheat is alarming to human health. In this study, surface-enhanced Raman spectroscopy (SERS)-active silver nanoparticles-plated-zinc oxide nanoflowers (Ag@ZnO NFs) nano-sensor were employed for rapid and sensitive quantification of deltamethrin in wheat. To sufficiently utilize the chemical-related information in SERS spectra, various spectral pretreatment and chemometric models were studied. The mean centering (MC) coupling successive projection algorithm-partial least squares regression (SPA-PLS) provided optimal predictive performance (correlation coefficient of prediction (Rp) = 0.9736 and residual predictive deviation (RPD) = 4.75). The proposed method achieved the limit of detection (LOD) = 0.16 μg·kg-1, the recovery of predicted results was in the range of 96.33-109.17% and the relative standard deviation (RSD) was < 5%. The overall results suggested that SERS based Ag@ZnO NFs combined with MC-SPA-PLS could be an easy and efficient method to quantify deltamethrin residue levels in wheat.
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133
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Jahn IJ, Mühlig A, Cialla-May D. Application of molecular SERS nanosensors: where we stand and where we are headed towards? Anal Bioanal Chem 2020; 412:5999-6007. [PMID: 32676675 PMCID: PMC7442760 DOI: 10.1007/s00216-020-02779-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/20/2020] [Accepted: 06/18/2020] [Indexed: 11/26/2022]
Abstract
Molecular specific and highly sensitive detection is the driving force of the surface-enhanced Raman spectroscopy (SERS) community. The technique opens the window to the undisturbed monitoring of cellular processes in situ or to the quantification of small molecular species that do not deliver Raman signals. The smart design of molecular SERS nanosensors makes it possible to indirectly but specifically detect, e.g. reactive oxygen species, carbon monoxide or potentially toxic metal ions. Detection schemes evolved over the years from simple metallic colloidal nanoparticles functionalized with sensing molecules that show uncontrolled aggregation to complex nanostructures with magnetic properties making the analysis of complex environmental samples possible. The present article gives the readership an overview of the present research advancements in the field of molecular SERS sensors, highlighting future trends.
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Affiliation(s)
- Izabella J Jahn
- Leibniz Institute of Photonic Technology, Member of the Leibniz Research Alliance "Leibniz Health Technologies", Albert-Einstein-Str. 9, 07745, Jena, Germany
| | - Anna Mühlig
- Leibniz Institute of Photonic Technology, Member of the Leibniz Research Alliance "Leibniz Health Technologies", Albert-Einstein-Str. 9, 07745, Jena, Germany
- Center for Sepsis Care and Control Jena, Jena University Hospital, Kollegiengasse 10, 07743, Jena, Germany
| | - Dana Cialla-May
- Leibniz Institute of Photonic Technology, Member of the Leibniz Research Alliance "Leibniz Health Technologies", Albert-Einstein-Str. 9, 07745, Jena, Germany.
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University, Helmholtzweg 4, Jena, Germany.
- Center of Applied Research, InfectoGnostics Research Campus Jena, Philosophenweg 7, 07743, Jena, Germany.
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134
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Shutova M, Sinyukov AM, Birmingham B, Zhang Z, Sokolov AV. Adaptive optics approach to surface-enhanced Raman scattering. OPTICS LETTERS 2020; 45:3709-3712. [PMID: 32630935 DOI: 10.1364/ol.394548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/25/2020] [Indexed: 06/11/2023]
Abstract
Surface-enhanced Raman scattering (SERS) spectroscopy is a popular technique for detecting chemicals in small quantities. Rough metallic surfaces with nanofeatures are some of the most widespread and commercially successful substrates for efficient SERS measurements. A rough metallic surface creates a high-density random distribution of so-called "hot spots" with local optical field enhancement causing Raman signal to increase. In this Letter, we revisit the classic SERS experiment [Surf. Sci.158, 229 (1985)SUSCAS0039-602810.1016/0039-6028(85)90297-3] with rough metallic surfaces covered by a thin layer of copper phthalocyanine molecules. As a modification to the classic configuration, we apply an adaptive wavefront correction of a laser beam profile. As a result, we demonstrate an increase in brightness of local SERS hot spots and redistribution of Raman signal over the substrate area. We hypothesize that the improvement is due to optimal coupling of the shaped laser beam to the random plasmonic nanoantenna configurations. We show that the proposed adaptive-SERS modification is independent of the exact structure of the surface roughness and topography, works with many rough surfaces, and gives brighter Raman hot spots in comparison with conventional SERS measurements. We prove that the adaptive SERS is a powerful instrument for improving SERS sensitivity.
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135
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Quantitative analysis of docetaxel by surface-enhanced Raman spectroscopy (SERS) combined with chemometric models and Ag@ZnO nanoparticles substrates. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104373] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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136
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Lin S, Hasi W, Han S, Lin X, Wang L. A dual-functional PDMS-assisted paper-based SERS platform for the reliable detection of thiram residue both on fruit surfaces and in juice. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:2571-2579. [PMID: 32930283 DOI: 10.1039/d0ay00483a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this work, a dual-functional SERS platform was developed via a paper-based SERS substrate with the aid of hydrophobic polydimethylsiloxane (PDMS) for effective and reliable measurements of thiram on fruit surfaces and in juice. Specifically, the paper-based SERS substrate was fabricated by coating with a core-shell Au@Ag nanorod monolayer, and the SERS performance was optimized compared with multilayer adsorption. Moreover, a versatile SERS platform was constructed by simply pasting the paper-based substrate in reverse onto PDMS using polymethyl methacrylate (PMMA) tape. On the one hand, this detection platform was able to realize sample enrichment due to the excellent hydrophobicity of PDMS, thereby increasing the sensitivity of measurements, and its function was successfully displayed through the identification of thiram in orange juice. On the other hand, PDMS could also play a supporting role and the paper-based substrate reversely stuck on PDMS was able to extract samples on the side without nanoparticles, which greatly avoids damage to nanoparticles on the substrate. Therefore, the accuracy of analysis was significantly improved and the inspection of thiram on the surface of an orange was demonstrated based on this function. As a result, this proposed SERS platform provides a new strategy for preparing multifunctional SERS sensors for the on-site monitoring of chemical contaminants in the food-safety field.
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Affiliation(s)
- Shuang Lin
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, 150080, P. R. China.
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian, 116600 P. R. China.
| | - Wuliji Hasi
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, 150080, P. R. China.
| | - Siqingaowa Han
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, 150080, P. R. China.
- Affiliated Hospital, Inner Mongolia University for the Nationalities, Inner Mongolia, Tongliao 028007, P. R. China
| | - Xiang Lin
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian, 116600 P. R. China.
| | - Li Wang
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian, 116600 P. R. China.
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137
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Wilkosz N, Czaja M, Seweryn S, Skirlińska-Nosek K, Szymonski M, Lipiec E, Sofińska K. Molecular Spectroscopic Markers of Abnormal Protein Aggregation. Molecules 2020; 25:E2498. [PMID: 32471300 PMCID: PMC7321069 DOI: 10.3390/molecules25112498] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/22/2020] [Accepted: 05/25/2020] [Indexed: 12/12/2022] Open
Abstract
Abnormal protein aggregation has been intensively studied for over 40 years and broadly discussed in the literature due to its significant role in neurodegenerative diseases etiology. Structural reorganization and conformational changes of the secondary structure upon the aggregation determine aggregation pathways and cytotoxicity of the aggregates, and therefore, numerous analytical techniques are employed for a deep investigation into the secondary structure of abnormal protein aggregates. Molecular spectroscopies, including Raman and infrared ones, are routinely applied in such studies. Recently, the nanoscale spatial resolution of tip-enhanced Raman and infrared nanospectroscopies, as well as the high sensitivity of the surface-enhanced Raman spectroscopy, have brought new insights into our knowledge of abnormal protein aggregation. In this review, we order and summarize all nano- and micro-spectroscopic marker bands related to abnormal aggregation. Each part presents the physical principles of each particular spectroscopic technique listed above and a concise description of all spectral markers detected with these techniques in the spectra of neurodegenerative proteins and their model systems. Finally, a section concerning the application of multivariate data analysis for extraction of the spectral marker bands is included.
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Affiliation(s)
| | | | | | | | | | - Ewelina Lipiec
- M. Smoluchowski Institute of Physics, Jagiellonian University, 30-348 Kraków, Poland; (N.W.); (M.C.); (S.S.); (K.S.-N.); (M.S.)
| | - Kamila Sofińska
- M. Smoluchowski Institute of Physics, Jagiellonian University, 30-348 Kraków, Poland; (N.W.); (M.C.); (S.S.); (K.S.-N.); (M.S.)
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138
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JIANG S, ESPULGAR WV, LUO X, SAITO M, YOSHIKAWA H, TAMIYA E. SERS Active Hierarchical Nanopillar-huddle Array Fabricated via the Combination of Nanoimprint Lithography and Anodization. ELECTROCHEMISTRY 2020. [DOI: 10.5796/electrochemistry.19-00072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Shu JIANG
- Advanced Photonics and Biosensing Open Innovation Laboratory, AIST-Osaka University, Photonics Center Osaka University
- Department of Applied Physics, Graduate School of Engineering, Osaka University
| | - Wilfred V. ESPULGAR
- Department of Applied Physics, Graduate School of Engineering, Osaka University
| | - Xi LUO
- Advanced Photonics and Biosensing Open Innovation Laboratory, AIST-Osaka University, Photonics Center Osaka University
- Department of Applied Physics, Graduate School of Engineering, Osaka University
| | - Masato SAITO
- Advanced Photonics and Biosensing Open Innovation Laboratory, AIST-Osaka University, Photonics Center Osaka University
- Department of Applied Physics, Graduate School of Engineering, Osaka University
| | - Hiroyuki YOSHIKAWA
- Department of Applied Physics, Graduate School of Engineering, Osaka University
| | - Eiichi TAMIYA
- Department of Applied Physics, Graduate School of Engineering, Osaka University
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139
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Fractal SERS nanoprobes for multiplexed quantitative gene profiling. Biosens Bioelectron 2020; 156:112130. [DOI: 10.1016/j.bios.2020.112130] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 02/28/2020] [Accepted: 03/02/2020] [Indexed: 02/07/2023]
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140
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Gao C, Yu L, Ma L, Lu X, Wu S, Song P, Xia L. The role of benzene rings in monitoring amino acids by SERS. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2020.137273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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141
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Zhang L, Zhu T, Yang C, Jang HY, Jang HJ, Liu L, Park S. Synthesis of Monolayer Gold Nanorings Sandwich Film and Its Higher Surface-Enhanced Raman Scattering Intensity. NANOMATERIALS 2020; 10:nano10030519. [PMID: 32183019 PMCID: PMC7153256 DOI: 10.3390/nano10030519] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 03/03/2020] [Accepted: 03/08/2020] [Indexed: 01/05/2023]
Abstract
Most previous studies relating to surface-enhanced Raman spectroscopy (SERS) signal enhancement were focused on the interaction between the light and the substrate in the x-y axis. 3D SERS substrates reported in the most of previous papers could contribute partial SERS enhancement via z axis, but the increases of the surface area were the main target for those reports. However, the z axis is also useful in achieving improved SERS intensity. In this work, hot spots along the z axis were specifically created in a sandwich nanofilm. Sandwich nanofilms were prepared with self-assembly and Langmuir-Blodgett techniques, and comprised of monolayer Au nanorings sandwiched between bottom Ag mirror and top Ag cover films. Monolayer Au nanorings were formed by self-assembly at the interface of water and hexane, followed by Langmuir-Blodgett transfer to a substrate with sputtered Ag mirror film. Their hollow property allows the light transmitted through a cover film. The use of a Ag cover layer of tens nanometers in thickness was critical, which allowed light access to the middle Au nanorings and the bottom Ag mirror, resulting in more plasmonic resonance and coupling along perpendicular interfaces (z-axis). The as-designed sandwich nanofilms could achieve an overall ~8 times SERS signals amplification compared to only the Au nanorings layer, which was principally attributed to enhanced electromagnetic fields along the created z-axis. Theoretical simulations based on finite-difference time-domain (FDTD) method showed consistent results with the experimental ones. This study points out a new direction to enhance the SERS intensity by involving more hot spots in z-axis in a designer nanostructure for high-performance molecular recognition and detection.
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Affiliation(s)
- Liqiu Zhang
- Department of Chemistry & Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea; (H.Y.J.); (H.-J.J.)
- College of Biological, Chemical Sciences and Engineering & Nanotechnology Research Institute, Jiaxing University, Jiaxing 314001, China;
- Correspondence: (L.Z.); (S.P.)
| | - Tiying Zhu
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China; (T.Z.); (C.Y.)
| | - Cheng Yang
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China; (T.Z.); (C.Y.)
| | - Ho Young Jang
- Department of Chemistry & Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea; (H.Y.J.); (H.-J.J.)
| | - Hee-Jeong Jang
- Department of Chemistry & Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea; (H.Y.J.); (H.-J.J.)
| | - Lichun Liu
- College of Biological, Chemical Sciences and Engineering & Nanotechnology Research Institute, Jiaxing University, Jiaxing 314001, China;
| | - Sungho Park
- Department of Chemistry & Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea; (H.Y.J.); (H.-J.J.)
- Correspondence: (L.Z.); (S.P.)
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142
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Sun J, Gong L, Wang W, Gong Z, Wang D, Fan M. Surface‐enhanced Raman spectroscopy for on‐site analysis: A review of recent developments. LUMINESCENCE 2020; 35:808-820. [DOI: 10.1002/bio.3796] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 02/14/2020] [Accepted: 02/25/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Ji Sun
- Faculty of Geosciences and Environmental EngineeringSouthwest Jiaotong University Chengdu China
| | - Lin Gong
- Faculty of Geosciences and Environmental EngineeringSouthwest Jiaotong University Chengdu China
| | - Wenjun Wang
- Faculty of Geosciences and Environmental EngineeringSouthwest Jiaotong University Chengdu China
| | - Zhengjun Gong
- Faculty of Geosciences and Environmental EngineeringSouthwest Jiaotong University Chengdu China
| | - Dongmei Wang
- Faculty of Geosciences and Environmental EngineeringSouthwest Jiaotong University Chengdu China
| | - Meikun Fan
- Faculty of Geosciences and Environmental EngineeringSouthwest Jiaotong University Chengdu China
- State‐province Joint Engineering Laboratory of Spatial Information Technology of High‐Speed Rail Safety Chengdu China
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143
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Li H, Wang Y, Li Y, Qiao Y, Liu L, Wang Q, Che G. High-sensitive molecularly imprinted sensor with multilayer nanocomposite for 2,6-dichlorophenol detection based on surface-enhanced Raman scattering. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 228:117784. [PMID: 31740121 DOI: 10.1016/j.saa.2019.117784] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 11/10/2019] [Accepted: 11/10/2019] [Indexed: 06/10/2023]
Abstract
This study describes the preparation of a novel multilayer sensor based on molecularly imprinted polymers (MIPs) for the detection of trace-level chlorophenols by surface-enhanced Raman scattering (SERS). Composites of SiO2/reduced graphene oxide/gold (SiO2/rGO/Au, SGA) are chosen as the SERS substrates. The fabricated composites are able to enhance the SERS sensitivity, and the addition of MIPs improves the selectivity of traditional SERS substrates. Furthermore, the sensor's detection sensitivity and selectivity are improved by including two functional monomers, namely methacrylic acid (MAA) and acrylamide (AM) containing different functional groups. Finally, in to more effectively balance the selectivity of MIPs shell and the sensitivity of SERS detection, the prepared substrates are surface-modified with polydopamine (pDA) and prepared by atom transfer radical polymerization (ATRP). It is confirmed that the prepared SGA-MIPs exhibits relatively good sensitivity and selectivity in the detection of chlorophenols. Importantly, all the investigations are conducted in environmentally friendly aqueous solution, which enables scaling-up without causing pollution.
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Affiliation(s)
- Hongji Li
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun 130103, PR China; College of Environmental Science and Engineering, Jilin Normal University, Siping 136000, China; Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China
| | - Yan Wang
- College of Chemistry, Jilin Normal University, Siping 136000, PR China
| | - Yue Li
- College of Chemistry, Jilin Normal University, Siping 136000, PR China
| | - Yu Qiao
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun 130103, PR China; Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China
| | - Lihui Liu
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun 130103, PR China; Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China
| | - Qingwei Wang
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun 130103, PR China; Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China.
| | - Guangbo Che
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials (Jilin Normal University), Ministry of Education, Changchun 130103, PR China; Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China.
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144
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Shao B, Xiao Z. Recent achievements in exosomal biomarkers detection by nanomaterials-based optical biosensors - A review. Anal Chim Acta 2020; 1114:74-84. [PMID: 32359518 DOI: 10.1016/j.aca.2020.02.041] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 01/07/2023]
Abstract
Exosomal biomarkers including tumor-derived exosomes, exosomal surface proteins and exosomal nucleic acids have emerged as one of the most important and general cancer biomarkers in modern biomedical science. These indicators can provide momentous biological information for early diagnosis and treatment of cancer. Recently, numerous studies have been conducted to design biosensors for exosomal biomarkers detection and profiling with high sensitivity and strong applied ability. Among these biosensors, nanomaterial-based optical biosensors are prospective future platforms for rapid and cost-effective detection of exosomal biomarkers. Firstly, we have focused on the progress and advancements in different optical-transducing approaches (Surface-Enhanced Raman Scattering, Surface Plasmon Resonance, Colorimetry, Immunochromatographic assay, Chemiluminescence, Electrochemiluminescence, and fluorescence) for detecting and profiling exosomal biomarkers. Additionally, we have summarized strengths and drawbacks of each strategy. Finally, challenges and future outlooks in developing efficient nanomaterial-based optical biosensor systems for exosomal tumor biomarkers detection have been discussed. The review will exhibit an overview of this field and provide meaningful information for scientific researchers.
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Affiliation(s)
- Baoyi Shao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, 210096, PR China
| | - Zhongdang Xiao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, 210096, PR China.
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145
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Differentiation between stages of non-alcoholic fatty liver diseases using surface-enhanced Raman spectroscopy. Anal Chim Acta 2020; 1110:190-198. [PMID: 32278395 DOI: 10.1016/j.aca.2020.02.040] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 02/11/2020] [Accepted: 02/19/2020] [Indexed: 12/25/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a chronic disorder progressing from an initial benign accumulation of fat (NAFL) towards steatohepatitis (NASH), a degenerative form that can lead to liver cirrhosis and cancer. The development of non-invasive, rapid and accurate method to diagnose NASH is of high clinical relevance. Surface-enhanced Raman spectroscopy (SERS) of plasma was tested as a method to distinguish NAFL from NASH. SERS spectra from plasma of female patients diagnosed with NAFL (n = 32) and NASH (n = 35) were obtained in few seconds, using a portable Raman spectrometer. The sample consisted of 5 μL of biofluid deposited on paper coated with Ag nanoparticles. The spectra show consistent differences between the NAFL and NASH patients, with the uric acid/hypoxanthine band area ratio statistically different (p-value <0.001) between the two groups. The average figures of merit for a diagnostic test based on these ratios, as derived from a repeated 4-fold cross-validation of a logistic regression model, are all between 0.73 and 0.79, with an average area under the curve of 0.81. We conclude that SERS may be a reliable and rapid method to discriminate NAFLD from NASH.
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146
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Hogan N, Sheldon M. Comparing steady state photothermalization dynamics in copper and gold nanostructures. J Chem Phys 2020; 152:061101. [PMID: 32061209 DOI: 10.1063/1.5139665] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Metal nanostructures have been the focus of several recent studies due to their ability to generate high energy, non-equilibrium "hot" electrons for use in photochemical and photocatalytic applications. In particular, there is growing interest to understand how differences in the electronic structure and optical response of different metals may impact the behavior and utility of their hot electrons in chemical reactions. Using a continuous wave anti-Stokes Raman spectroscopy technique recently developed in our laboratory, in this study, we measured the temperature and lifetime of hot electrons in gold and copper nanostructures in order to understand how the choice of metal impacts hot electron dynamics during steady state illumination. We found that hot electrons in copper are more abundant and more reactive than those in gold, suggesting that copper nanostructures may be a more promising platform for performing hot electron photochemistry.
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Affiliation(s)
- Nicki Hogan
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, USA
| | - Matthew Sheldon
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, USA
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147
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Darienzo RE, Chen O, Sullivan M, Mironava T, Tannenbaum R. Au nanoparticles for SERS: Temperature-controlled nanoparticle morphologies and their Raman enhancing properties. MATERIALS CHEMISTRY AND PHYSICS 2020; 240:122143. [PMID: 33191968 PMCID: PMC7665167 DOI: 10.1016/j.matchemphys.2019.122143] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Quasi-fractal gold nanoparticles can be synthesized via a modified and temperature controlled procedure initially used for the synthesis of star-like gold nanoparticles. The surface features of nanoparticles lead to improved enhancement of Raman scattering intensity of analyte molecules due to the increased number of sharp surface features possessing numerous localized surface plasmon resonances (LSPR). The LSPR is affected by the size and shape of surface features as well as inter-nanoparticle interactions, as these affect the oscillation modes of electrons on the nanoparticle surfaces. The effect of the particle morphologies on the localized surface plasmon resonance (LSPR) and on the surface-enhancing capabilities of these nanoparticles is explored by comparing different nanoparticle morphologies and concentrations. We show that in a fixed nanoparticle concentration regime, quasi-fractal gold nanoparticles (gold nanocaltrop) provide the highest level of surface enhancement, whereas spherical nanoparticles provide the largest enhancement in a fixed gold concentration regime. The presence of highly branched features enables these nanoparticles to couple with a laser wavelength, despite having no strong absorption band and hence no single surface plasmon resonance. This cumulative LSPR may allow these nanoparticles to be used in a variety of applications in which laser wavelength flexibility is beneficial, such as in medical imaging applications where fluorescence at short laser wavelengths may be coupled with non-fluorescing long laser wavelengths for molecular sensing.
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Affiliation(s)
- Richard E. Darienzo
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794, USA
| | - Olivia Chen
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794, USA
| | - Maurinne Sullivan
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA
| | - Tatsiana Mironava
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794, USA
| | - Rina Tannenbaum
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794, USA
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148
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Recent development of nucleic acid nanosensors to detect sequence-specific binding interactions: From metal ions, small molecules to proteins and pathogens. SENSORS INTERNATIONAL 2020; 1:100034. [PMID: 34766041 PMCID: PMC7434487 DOI: 10.1016/j.sintl.2020.100034] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/13/2020] [Accepted: 08/13/2020] [Indexed: 02/07/2023] Open
Abstract
DNA carries important genetic instructions and plays vital roles in regulating biological activities in living cells. Proteins such as transcription factors binds to DNA to regulate the biological functions of DNA, and similarly many drug molecules also bind to DNA to modulate its functions. Due to the importance of protein-DNA and drug-DNA binding, there has been intense effort in developing novel nanosensors in the same length scale as DNA, to effectively study these binding interactions in details. In addition, aptamers can be artificially selected to detect metal ions and pathogens such as bacteria and viruses, making nucleic acid nanosensors more versatile in detecting a large variety of analytes. In this minireview, we first explained the different types and binding modes of protein-DNA and drug-DNA interactions in the biological systems, as well as aptamer-target binding. This was followed by the review of five types of nucleic acid nanosensors based on optical or electrochemical detection. The five types of nucleic acid nanosensors utilizing colorimetric, dynamic light scattering (DLS), surface-enhanced Raman spectroscopy (SERS), fluorescence and electrochemical detections have been recently developed to tackle some of the challenges in high-throughput screening technology for large scale analysis, which is especially useful for drug development and mass screening for pandemic outbreak such as SARS or COVID-19.
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149
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Fleischer M, Zhang D, Meixner AJ. Optically and electrically driven nanoantennas. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:1542-1545. [PMID: 33094087 PMCID: PMC7554664 DOI: 10.3762/bjnano.11.136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 09/11/2020] [Indexed: 05/13/2023]
Affiliation(s)
- Monika Fleischer
- Institute for Applied Physics and Center LISA⁺, University of Tübingen, Auf der Morgenstelle 10, 72076 Tübingen, Germany
| | - Dai Zhang
- Institute of Physical and Theoretical Chemistry and Center LISA⁺, University of Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Alfred J Meixner
- Institute of Physical and Theoretical Chemistry and Center LISA⁺, University of Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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150
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Aguilar-Hernández I, Cárdenas-Chavez DL, López-Luke T, García-García A, Herrera-Domínguez M, Pisano E, Ornelas-Soto N. Discrimination of radiosensitive and radioresistant murine lymphoma cells by Raman spectroscopy and SERS. BIOMEDICAL OPTICS EXPRESS 2020; 11:388-405. [PMID: 32010523 PMCID: PMC6968773 DOI: 10.1364/boe.11.000388] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 11/22/2019] [Accepted: 12/02/2019] [Indexed: 05/10/2023]
Abstract
Intrinsic radiosensitivity is a biological parameter known to influence the response to radiation therapy in cancer treatment. In this study, Raman spectroscopy and surface enhanced Raman spectroscopy (SERS) were successfully used in conjunction with principal component analysis (PCA) to discriminate between radioresistant (LY-R) and radiosensitive (LY-S) murine lymphoma sublines (L5178Y). PCA results for normal Raman analysis showed a differentiation between the radioresistant and radiosensitive cell lines based on their specific spectral fingerprint. In the case of SERS with gold nanoparticles (AuNPs), greater spectral enhancements were observed in the radioresistant subline in comparison to its radiosensitive counterpart, suggesting that each subline displays different interaction with AuNPs. Our results indicate that spectroscopic and chemometric techniques could be used as complementary tools for the prediction of intrinsic radiosensitivity of lymphoma samples.
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Affiliation(s)
- Iris Aguilar-Hernández
- Laboratorio de Nanotecnología Ambiental, Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. 64849, Mexico
| | - Diana L. Cárdenas-Chavez
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Atlixcáyotl 5718, Puebla, Pue., México, 72453, Mexico
| | - Tzarara López-Luke
- Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Edificio U, Ciudad Universitaria, 58030 Morelia, Mich., Mexico
| | - Alejandra García-García
- Laboratorio de síntesis y Modificación de Nanoestructuras y Materiales Bidimensionales. Centro de Investigación en Materiales Avanzados S.C. Parque PIIT. C.P. 66628, Apodaca N.L., Mexico
| | - Marcela Herrera-Domínguez
- Laboratorio de Nanotecnología Ambiental, Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. 64849, Mexico
| | - Eduardo Pisano
- Catedras CONACyT – Centro de Investigaciones en Óptica A.C., Alianza Centro 504, PIIT, Apodaca, N.L. 66629, Mexico
| | - Nancy Ornelas-Soto
- Laboratorio de Nanotecnología Ambiental, Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. 64849, Mexico
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