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Spedalieri C, Kneipp J. Surface enhanced Raman scattering for probing cellular biochemistry. NANOSCALE 2022; 14:5314-5328. [PMID: 35315478 PMCID: PMC8988265 DOI: 10.1039/d2nr00449f] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Surface enhanced Raman scattering (SERS) from biomolecules in living cells enables the sensitive, but also very selective, probing of their biochemical composition. This minireview discusses the developments of SERS probing in cells over the past years from the proof-of-principle to observe a biochemical status to the characterization of molecule-nanostructure and molecule-molecule interactions and cellular processes that involve a wide variety of biomolecules and cellular compartments. Progress in applying SERS as a bioanalytical tool in living cells, to gain a better understanding of cellular physiology and to harness the selectivity of SERS, has been achieved by a combination of live cell SERS with several different approaches. They range from organelle targeting, spectroscopy of relevant molecular models, and the optimization of plasmonic nanostructures to the application of machine learning and help us to unify the information from defined biomolecules and from the cell as an extremely complex system.
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Affiliation(s)
- Cecilia Spedalieri
- Humboldt-Universität zu Berlin, Department of Chemistry, Brook-Taylor-Str. 2, 12489 Berlin, Germany.
| | - Janina Kneipp
- Humboldt-Universität zu Berlin, Department of Chemistry, Brook-Taylor-Str. 2, 12489 Berlin, Germany.
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2
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Das GM, Managò S, Mangini M, De Luca AC. Biosensing Using SERS Active Gold Nanostructures. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2679. [PMID: 34685120 PMCID: PMC8539114 DOI: 10.3390/nano11102679] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 09/30/2021] [Accepted: 10/08/2021] [Indexed: 12/04/2022]
Abstract
Surface-enhanced Raman spectroscopy (SERS) has become a powerful tool for biosensing applications owing to its fingerprint recognition, high sensitivity, multiplex detection, and biocompatibility. This review provides an overview of the most significant aspects of SERS for biomedical and biosensing applications. We first introduced the mechanisms at the basis of the SERS amplifications: electromagnetic and chemical enhancement. We then illustrated several types of substrates and fabrication methods, with a focus on gold-based nanostructures. We further analyzed the relevant factors for the characterization of the SERS sensor performances, including sensitivity, reproducibility, stability, sensor configuration (direct or indirect), and nanotoxicity. Finally, a representative selection of applications in the biomedical field is provided.
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Affiliation(s)
| | - Stefano Managò
- Laboratory of Biophotonics and Advanced Microscopy, Second Unit, Institute of Experimental Endocrinology and Oncology “G. Salvatore” (IEOS), National Research Council (CNR), Via P. Castellino 111, 80131 Naples, Italy; (G.M.D.); (M.M.)
| | | | - Anna Chiara De Luca
- Laboratory of Biophotonics and Advanced Microscopy, Second Unit, Institute of Experimental Endocrinology and Oncology “G. Salvatore” (IEOS), National Research Council (CNR), Via P. Castellino 111, 80131 Naples, Italy; (G.M.D.); (M.M.)
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Zolotoukhina T, Yamada M, Iwakura S. Vibrational Spectra of Nucleotides in the Presence of the Au Cluster Enhancer in MD Simulation of a SERS Sensor. BIOSENSORS 2021; 11:37. [PMID: 33572778 PMCID: PMC7911439 DOI: 10.3390/bios11020037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/24/2021] [Accepted: 01/25/2021] [Indexed: 11/29/2022]
Abstract
Surface-enhanced Raman scattering (SERS) nanoprobes have shown tremendous potential in in vivo imaging. The development of single oligomer resolution in the SERS promotes experiments on DNA and protein identification using SERS as a nanobiosensor. As Raman scanners rely on a multiple spectrum acquisition, faster imaging in real-time is required. SERS weak signal requires averaging of the acquired spectra that erases information on conformation and interaction. To build spectral libraries, the simulation of measurement conditions and conformational variations for the nucleotides relative to enhancer nanostructures would be desirable. In the molecular dynamic (MD) model of a sensing system, we simulate vibrational spectra of the cytosine nucleotide in FF2/FF3 potential in the dynamic interaction with the Au20 nanoparticles (NP) (EAM potential). Fourier transfer of the density of states (DOS) was performed to obtain the spectra of bonds in reaction coordinates for nucleotides at a resolution of 20 to 40 cm-1. The Au20 was optimized by ab initio density functional theory with generalized gradient approximation (DFT GGA) and relaxed by MD. The optimal localization of nucleotide vs. NP was defined and the spectral modes of both components vs. interaction studied. Bond-dependent spectral maps of nucleotide and NP have shown response to interaction. The marker frequencies of the Au20-nucleotide interaction have been evaluated.
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Affiliation(s)
- Tatiana Zolotoukhina
- Department of Mechanical Engineering, University of Toyama, Toyama 930-8555, Japan
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Payne TD, Moody AS, Wood AL, Pimiento PA, Elliott JC, Sharma B. Raman spectroscopy and neuroscience: from fundamental understanding to disease diagnostics and imaging. Analyst 2020; 145:3461-3480. [PMID: 32301450 DOI: 10.1039/d0an00083c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Neuroscience would directly benefit from more effective detection techniques, leading to earlier diagnosis of disease. The specificity of Raman spectroscopy is unparalleled, given that a molecular fingerprint is attained for each species. It also allows for label-free detection with relatively inexpensive instrumentation, minimal sample preparation, and rapid sample analysis. This review summarizes Raman spectroscopy-based techniques that have been used to advance the field of neuroscience in recent years.
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Affiliation(s)
- Taylor D Payne
- University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN 37996, USA.
| | - Amber S Moody
- National Center of Toxicological Research, 3900 NCTR Rd, Jefferson, AR 72079, USA
| | - Avery L Wood
- University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN 37996, USA.
| | - Paula A Pimiento
- University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN 37996, USA.
| | - James C Elliott
- University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN 37996, USA.
| | - Bhavya Sharma
- University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN 37996, USA.
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Szekeres GP, Montes-Bayón M, Bettmer J, Kneipp J. Fragmentation of Proteins in the Corona of Gold Nanoparticles As Observed in Live Cell Surface-Enhanced Raman Scattering. Anal Chem 2020; 92:8553-8560. [DOI: 10.1021/acs.analchem.0c01404] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Gergo Peter Szekeres
- School of Analytical Sciences Adlershof, Humboldt-Universität zu Berlin, Albert-Einstein-Straße 5-9, 12489 Berlin, Germany
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489 Berlin, Germany
| | - Maria Montes-Bayón
- School of Analytical Sciences Adlershof, Humboldt-Universität zu Berlin, Albert-Einstein-Straße 5-9, 12489 Berlin, Germany
- Department of Physical and Analytical Chemistry, Faculty of Chemistry and Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), University of Oviedo, C/Julian Clavería 8, 33006 Oviedo, Spain
| | - Jörg Bettmer
- Department of Physical and Analytical Chemistry, Faculty of Chemistry and Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), University of Oviedo, C/Julian Clavería 8, 33006 Oviedo, Spain
| | - Janina Kneipp
- School of Analytical Sciences Adlershof, Humboldt-Universität zu Berlin, Albert-Einstein-Straße 5-9, 12489 Berlin, Germany
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489 Berlin, Germany
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6
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Surface Enhanced Raman Spectroscopy for Single Molecule Protein Detection. Sci Rep 2019; 9:12356. [PMID: 31451702 PMCID: PMC6710251 DOI: 10.1038/s41598-019-48650-y] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 08/07/2019] [Indexed: 01/07/2023] Open
Abstract
A two-step process of protein detection at a single molecule level using SERS was developed as a proof-of-concept platform for medical diagnostics. First, a protein molecule was bound to a linker in the bulk solution and then this adduct was chemically reacted with the SERS substrate. Traut’s Reagent (TR) was used to thiolate Bovine serum albumin (BSA) in solution followed by chemical cross linking to a gold surface through a sulfhydryl group. A Glycine-TR adduct was used as a control sample to identify the protein contribution to the SER spectra. Gold SERS substrates were manufactured by electrochemical deposition. Solutions at an ultralow concentration were used for attaching the TR adducts to the SERS substrate. Samples showed the typical behavior of a single molecule SERS including spectral fluctuations, blinking and Raman signal being generated from only selected points on the substrate. The fluctuating SER spectra were examined using Principle Component Analysis. This unsupervised statistics allowed for the selecting of spectral contribution from protein moiety indicating that the method was capable of detecting a single protein molecule. Thus we have demonstrated, that the developed two-step methodology has the potential as a new platform for medical diagnostics.
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Bruzas I, Lum W, Gorunmez Z, Sagle L. Advances in surface-enhanced Raman spectroscopy (SERS) substrates for lipid and protein characterization: sensing and beyond. Analyst 2019; 143:3990-4008. [PMID: 30059080 DOI: 10.1039/c8an00606g] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) has become an essential ultrasensitive analytical tool for biomolecular analysis of small molecules, macromolecular proteins, and even cells. SERS enables label-free, direct detection of molecules through their intrinsic Raman fingerprint. In particular, protein and lipid bilayers are dynamic three-dimensional structures that necessitate label-free methods of characterization. Beyond direct detection and quantitation, the structural information contained in SERS spectra also enables deeper biophysical characterization of biomolecules near metallic surfaces. Therefore, SERS offers enormous potential for such systems, although making measurements in a nonperturbative manner that captures the full range of interactions and activity remains a challenge. Many of these challenges have been overcome through advances in SERS substrate development, which have expanded the applications and targets of SERS for direct biomolecular quantitation and biophysical characterization. In this review, we will first discuss different categories of SERS substrates including solution-phase, solid-supported, tip-enhanced Raman spectroscopy (TERS), and single-molecule substrates for biomolecular analysis. We then discuss detection of protein and biological lipid membranes. Lastly, biophysical insights into proteins, lipids and live cells gained through SERS measurements of these systems are reviewed.
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Affiliation(s)
- Ian Bruzas
- Department of Chemistry, University of Cincinnati, 301 Clifton Court, Cincinnati, OH 45221, USA.
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Szekeres GP, Kneipp J. SERS Probing of Proteins in Gold Nanoparticle Agglomerates. Front Chem 2019; 7:30. [PMID: 30766868 PMCID: PMC6365451 DOI: 10.3389/fchem.2019.00030] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 01/14/2019] [Indexed: 01/23/2023] Open
Abstract
The collection of surface-enhanced Raman scattering (SERS) spectra of proteins and other biomolecules in complex biological samples such as animal cells has been achieved with gold nanoparticles that are introduced to the sample. As a model for such a situation, SERS spectra were measured in protein solutions using gold nanoparticles in the absence of aggregating agents, allowing for the free formation of a protein corona. The SERS spectra indicate a varied interaction of the protein molecule with the gold nanoparticles, depending on protein concentration. The concentration-dependent optical properties of the formed agglomerates result in strong variation in SERS enhancement. At protein concentrations that correspond to those inside cells, SERS signals are found to be very low. The results suggest that in living cells the successful collection of SERS spectra must be due to the positioning of the aggregates rather than the crowded biomolecular environment inside the cells. Experiments with DNA suggest the suitability of the applied sample preparation approach for an improved understanding of SERS nanoprobes and nanoparticle-biomolecule interactions in general.
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Affiliation(s)
- Gergo Peter Szekeres
- Department of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany.,School of Analytical Sciences Adlershof, Berlin, Germany
| | - Janina Kneipp
- Department of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany.,School of Analytical Sciences Adlershof, Berlin, Germany
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Szekeres GP, Kneipp J. Different binding sites of serum albumins in the protein corona of gold nanoparticles. Analyst 2018; 143:6061-6068. [DOI: 10.1039/c8an01321g] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Binding sites of albumins on gold nanoparticles were characterized by surface-enhanced Raman scattering.
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Affiliation(s)
- Gergo Peter Szekeres
- Humboldt-Universität zu Berlin
- Department of Chemistry
- 12489 Berlin
- Germany
- School of Analytical Sciences Adlershof
| | - Janina Kneipp
- Humboldt-Universität zu Berlin
- Department of Chemistry
- 12489 Berlin
- Germany
- School of Analytical Sciences Adlershof
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Hakonen A, Wang F, Andersson PO, Wingfors H, Rindzevicius T, Schmidt MS, Soma VR, Xu S, Li Y, Boisen A, Wu H. Hand-Held Femtogram Detection of Hazardous Picric Acid with Hydrophobic Ag Nanopillar SERS Substrates and Mechanism of Elasto-Capillarity. ACS Sens 2017; 2:198-202. [PMID: 28723138 DOI: 10.1021/acssensors.6b00749] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Picric acid (PA) is a severe environmental and security risk due to its unstable, toxic, and explosive properties. It is also challenging to detect in trace amounts and in situ because of its highly acidic and anionic character. Here, we assess sensing of PA under nonlaboratory conditions using surface-enhanced Raman scattering (SERS) silver nanopillar substrates and hand-held Raman spectroscopy equipment. The advancing elasto-capillarity effects are explained by molecular dynamics simulations. We obtain a SERS PA detection limit on the order of 20 ppt, corresponding attomole amounts, which together with the simple analysis methodology demonstrates that the presented approach is highly competitive for ultrasensitive analysis in the field.
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Affiliation(s)
- Aron Hakonen
- Department
of Physics, Chalmers University of Technology, S-412 96 Göteborg, Sweden
- SP Technical Research
Institute of Sweden, Chemistry, Materials and Surfaces, Box 857, SE-501 15 Borås, Sweden
| | - FengChao Wang
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior & Design of Materials, Department of Modern Mechanics, University of Science & Technology of China, Hefei, Anhui 230027, China
| | - Per Ola Andersson
- Swedish Defense Research Agency FOI, CBRN Defence & Security, SE-90182 Umeå, Sweden
- Department
of Engineering Sciences, Uppsala University, P.O. Box 534, SE-751 21 Uppsala, Sweden
| | - Håkan Wingfors
- Swedish Defense Research Agency FOI, CBRN Defence & Security, SE-90182 Umeå, Sweden
| | - Tomas Rindzevicius
- DTU Nanotech, Technical University of Denmark, Department
of Micro- and Nanotechnology, Ørsteds Plads, Building 345 East, 2800 Kgs. Lyngby, Denmark
| | - Michael Stenbæk Schmidt
- DTU Nanotech, Technical University of Denmark, Department
of Micro- and Nanotechnology, Ørsteds Plads, Building 345 East, 2800 Kgs. Lyngby, Denmark
| | - Venugopal Rao Soma
- Advanced
Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad 500046, Telangana India
| | - Shicai Xu
- Shandong
Provincial Key Laboratory of Biophysics, College of Physics and Electronic
Information, Dezhou University, Dezhou 253023, China
| | - YingQi Li
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior & Design of Materials, Department of Modern Mechanics, University of Science & Technology of China, Hefei, Anhui 230027, China
| | - Anja Boisen
- DTU Nanotech, Technical University of Denmark, Department
of Micro- and Nanotechnology, Ørsteds Plads, Building 345 East, 2800 Kgs. Lyngby, Denmark
| | - HengAn Wu
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior & Design of Materials, Department of Modern Mechanics, University of Science & Technology of China, Hefei, Anhui 230027, China
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