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Journal articles on the topic 'SERS'

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Author: Grafiati

Published: 4 June 2021

Last updated: 7 July 2024

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1

Zaracho Paniagua, Nadia Denisse, Yasmine Maluff Ladan, Liliana Noelia Talavera Stefani, Yanina Dionisia Sapper Lacy, Carolina Elizabeth Prendeski Stolaruk, and Eliane Aya Nishii Encina. "Fe de erratas de “Glaesserella parasuis: serotipos y virulencia de cepas aisladas de cerdos en Itapúa-Paraguay entre febrero del 2022 a marzo del 2023” a marzo del 2023." Investigaciones y estudios - UNA 14, no. 2 (December 28, 2023): 74. http://dx.doi.org/10.57201/ieuna2323937.

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Los autores se disculpan sinceramente por el error involuntario en la composición tipográfica en la página 87, sección Materiales y Métodos. El contenido completo de dicha sección debe ser el siguiente la inclusión se visualiza en negrita: Tipificación molecular y virulencia. Para realizar la tipificación molecular se utilizaron los cebadores descritos por Howell (2015), con modificaciones hechas por Lacouture et al. (2017). Fueron utilizadas tres mezclas de cebadores que se detallan a continuación: PM1: funB (Ser1), glyC (Ser3), wciP (Ser4), funQ (Ser7), funAB (Ser14); PM2: wzx (Ser2), funV (Ser9), gltP (Ser13), funI (Ser15) y PM3: wcwK (Ser5/12), gltI (Ser6), scdA (Ser8), funX (Ser10), amtA (Ser11). Cada reacción de PCR consistió en 12,5 μL de 2x GoTaq® G2 Colorless Master Mix (Promega); 1 mM de cada uno de los cebadores, csp de agua libre de nucleasas y 2 μL de ADN extraído, con un volumen final de 25 µL. Las condiciones de ciclado fueron las mismas descritas por Lacouture et al., (2017). Para identificar la presencia de genes relacionados a virulencia se utilizó la metodología descrita por Galofré-Mila et al., (2017) para la amplificación de genes de virulencia vtaA.

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2

Baumberg, Jeremy, Steven Bell, Alois Bonifacio, Rohit Chikkaraddy, Malama Chisanga, Stella Corsetti, Ines Delfino, et al. "SERS in biology/biomedical SERS: general discussion." Faraday Discussions 205 (2017): 429–56. http://dx.doi.org/10.1039/c7fd90089a.

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3

Ossig, Robert, Anna Kolomijeca, Yong-Hyok Kwon, Frank Hubenthal, and Heinz-Detlef Kronfeldt. "SERS signal response and SERS/SERDS spectra of fluoranthene in water on naturally grown Ag nanoparticle ensembles." Journal of Raman Spectroscopy 44, no. 5 (March 18, 2013): 717–22. http://dx.doi.org/10.1002/jrs.4270.

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4

Cañamares, Maria Vega, Cat Chenal, Ronald L. Birke, and John R. Lombardi. "DFT, SERS, and Single-Molecule SERS of Crystal Violet." Journal of Physical Chemistry C 112, no. 51 (December 3, 2008): 20295–300. http://dx.doi.org/10.1021/jp807807j.

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5

Kwon, Yong-Hyok, Kay Sowoidnich, Zucheng Wu, and Heinz-Detlef Kronfeldt. "Innovative SERS/SERDS Concept for Chemical Trace Detection in Seawater." International Journal of Offshore and Polar Engineering 27, no. 3 (September 1, 2017): 225–31. http://dx.doi.org/10.17736/ijope.2017.aj08.

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6

Goel, Richa, Sibashish Chakraborty, Vimarsh Awasthi, Vijayant Bhardwaj, and Satish Kumar Dubey. "Exploring the various aspects of Surface enhanced Raman spectroscopy (SERS) with focus on the recent progress: SERS-active substrate, SERS-instrumentation, SERS-application." Sensors and Actuators A: Physical 376 (October 2024): 115555. http://dx.doi.org/10.1016/j.sna.2024.115555.

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7

Le Ru, Eric C., and Pablo G. Etchegoin. "Quantifying SERS enhancements." MRS Bulletin 38, no. 8 (August 2013): 631–40. http://dx.doi.org/10.1557/mrs.2013.158.

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8

Etchegoin, Pablo G., Eric C. Le Ru, and Matthias Meyer. "SERS assertions addressed." Physics Today 61, no. 8 (August 2008): 13–14. http://dx.doi.org/10.1063/1.2970951.

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9

Kneipp, Katrin. "SERS assertions addressed." Physics Today 61, no. 8 (August 2008): 14–15. http://dx.doi.org/10.1063/1.4796923.

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10

Szuromi, P. D. "CHEMISTRY: Taming SERS." Science 307, no. 5709 (January 28, 2005): 483b. http://dx.doi.org/10.1126/science.307.5709.483b.

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11

Nishijima, Yoshiaki, Yoshikazu Hashimoto, Lorenzo Rosa, Jacob B. Khurgin, and Saulius Juodkazis. "SERS scaling rules." Applied Physics A 117, no. 2 (August 27, 2014): 647–50. http://dx.doi.org/10.1007/s00339-014-8717-4.

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12

Otto, A., A. Bruckbauer, and Y. X. Chen. "On the chloride activation in SERS and single molecule SERS." Journal of Molecular Structure 661-662 (December 2003): 501–14. http://dx.doi.org/10.1016/j.molstruc.2003.07.026.

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13

Zhao, Xingjuan, Gregory Q. Wallace, C. Geraldine Bazuin, and Jean-Francois Masson. "Fabricating SERS-Active Nanofibers Covered with Au Nanoparticles for SERS Optophysiology." ECS Meeting Abstracts MA2021-01, no. 61 (May 30, 2021): 1633. http://dx.doi.org/10.1149/ma2021-01611633mtgabs.

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14

Cintă Pinzaru, S., Cs Müller, S. Tomšić, M. M. Venter, B. I. Cozar, and B. Glamuzina. "New SERS feature of β-carotene: consequences for quantitative SERS analysis." Journal of Raman Spectroscopy 46, no. 7 (May 12, 2015): 597–604. http://dx.doi.org/10.1002/jrs.4713.

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15

Pham, Xuan-Hung, Eunil Hahm, Tae Han Kim, Hyung-Mo Kim, Sang Hun Lee, Sang Chul Lee, Homan Kang, et al. "Enzyme-amplified SERS immunoassay with Ag-Au bimetallic SERS hot spots." Nano Research 13, no. 12 (September 9, 2020): 3338–46. http://dx.doi.org/10.1007/s12274-020-3014-3.

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16

Mayerhöfer, Thomas G., and Jürgen Popp. "Periodic array-based substrates for surface-enhanced infrared spectroscopy." Nanophotonics 7, no. 1 (January 1, 2018): 39–79. http://dx.doi.org/10.1515/nanoph-2017-0005.

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AbstractAt the beginning of the 1980s, the first reports of surface-enhanced infrared spectroscopy (SEIRS) surfaced. Probably due to signal-enhancement factors of only 101 to 103, which are modest compared to those of surface-enhanced Raman spectroscopy (SERS), SEIRS did not reach the same significance up to date. However, taking the compared to Raman scattering much larger cross-sections of infrared absorptions and the enhancement factors together, SEIRS reaches about the same sensitivity for molecular species on a surface in terms of the cross-sections as SERS and, due to the complementary nature of both techniques, can valuably augment information gained by SERS. For the first 20 years since its discovery, SEIRS relied completely on metal island films, fabricated by either vapor or electrochemical deposition. The resulting films showed a strong variance concerning their structure, which was essentially random. Therefore, the increase in the corresponding signal-enhancement factors of these structures stagnated in the last years. In the very same years, however, the development of periodic array-based substrates helped SEIRS to gather momentum. This development was supported by technological progress concerning electromagnetic field solvers, which help to understand plasmonic properties and allow targeted design. In addition, the strong progress concerning modern fabrication methods allowed to implement these designs into practice. The aim of this contribution is to critically review the development of these engineered surfaces for SEIRS, to compare the different approaches with regard to their performance where possible, and report further gain of knowledge around and in relation to these structures.

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17

Ju, Lili, Jialing Shi, Chuanyu Liu, Yingzhou Huang, and Xiaonan Sun. "Optoplasmonic film for SERS." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 255 (July 2021): 119698. http://dx.doi.org/10.1016/j.saa.2021.119698.

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18

Tong, Lianming, Hongxing Xu, and Mikael Käll. "Nanogaps for SERS applications." MRS Bulletin 39, no. 2 (February 2014): 163–68. http://dx.doi.org/10.1557/mrs.2014.2.

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19

Cintra, Suzanne, Mamdouh E. Abdelsalam, Philip N. Bartlett, Jeremy J. Baumberg, Timothy A. Kelf, Yoshihiro Sugawara, and Andrea E. Russell. "Sculpted substrates for SERS." Faraday Discuss. 132 (2006): 191–99. http://dx.doi.org/10.1039/b508847j.

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20

Moskovits, Martin. "Persistent misconceptions regarding SERS." Physical Chemistry Chemical Physics 15, no. 15 (2013): 5301. http://dx.doi.org/10.1039/c2cp44030j.

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21

Kirwin, Kevin, and Chris Hignett. "No Pre-Trial SERs." Probation Journal 34, no. 2 (June 1987): 54–55. http://dx.doi.org/10.1177/026455058703400205.

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22

Goslin, John. "Strategy on Prostitution SERs." Probation Journal 34, no. 3 (September 1987): 119–20. http://dx.doi.org/10.1177/026455058703400323.

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23

Gao, Ying, Nan Gao, Hongdong Li, Xiaoxi Yuan, Qiliang Wang, Shaoheng Cheng, and Junsong Liu. "Semiconductor SERS of diamond." Nanoscale 10, no. 33 (2018): 15788–92. http://dx.doi.org/10.1039/c8nr04465a.

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In this work, we report a favorable diamond substrate to realize semiconductor surface-enhanced Raman spectroscopy (SERS) for trace molecular probes with high sensitivity, stability, reproducibility, recyclability and universality.

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24

Krieger, Kim. "SERS in the spotlight." Analytical Chemistry 78, no. 1 (January 2006): 16. http://dx.doi.org/10.1021/ac0693464.

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25

Durucan, Onur, Kaiyu Wu, Marlitt Viehrig, Tomas Rindzevicius, and Anja Boisen. "Nanopillar-Assisted SERS Chromatography." ACS Sensors 3, no. 12 (December 11, 2018): 2492–98. http://dx.doi.org/10.1021/acssensors.8b00887.

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26

Stoddart, P. R., and D. J. White. "Optical fibre SERS sensors." Analytical and Bioanalytical Chemistry 394, no. 7 (April 30, 2009): 1761–74. http://dx.doi.org/10.1007/s00216-009-2797-6.

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27

Aitchison, Hannah, Javier Aizpurua, Heike Arnolds, Jeremy Baumberg, Steven Bell, Alois Bonifacio, Rohit Chikkaraddy, et al. "Analytical SERS: general discussion." Faraday Discussions 205 (2017): 561–600. http://dx.doi.org/10.1039/c7fd90096a.

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28

Zeiri, L. "SERS of plant material." Journal of Raman Spectroscopy 38, no. 7 (2007): 950–55. http://dx.doi.org/10.1002/jrs.1714.

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29

Efrima, S., and L. Zeiri. "Understanding SERS of bacteria." Journal of Raman Spectroscopy 40, no. 3 (March 2009): 277–88. http://dx.doi.org/10.1002/jrs.2121.

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30

Kumar, G. V. Pavan, and Joseph Irudayaraj. "SERS in Salt Wells." ChemPhysChem 10, no. 15 (October 19, 2009): 2670–73. http://dx.doi.org/10.1002/cphc.200900634.

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31

Jin, Rongchao. "Nanopartikelcluster: SERS im Rampenlicht." Angewandte Chemie 122, no. 16 (March 19, 2010): 2888–92. http://dx.doi.org/10.1002/ange.200906462.

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32

Xu, Q. H. "SERS under magnetic control." Annalen der Physik 524, no. 11 (November 19, 2012): A161—A162. http://dx.doi.org/10.1002/andp.201200754.

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33

David, Catalina, Nicolas Guillot, Hong Shen, Timothée Toury, and Marc Lamy de la Chapelle. "SERS detection of biomolecules using lithographed nanoparticles towards a reproducible SERS biosensor." Nanotechnology 21, no. 47 (October 29, 2010): 475501. http://dx.doi.org/10.1088/0957-4484/21/47/475501.

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34

Ankamwar, Balaprasad, Ujjal Kumar Sur, and Pulak Das. "SERS study of bacteria using biosynthesized silver nanoparticles as the SERS substrate." Analytical Methods 8, no. 11 (2016): 2335–40. http://dx.doi.org/10.1039/c5ay03014e.

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Surface-enhanced Raman scattering (SERS) spectroscopy has great advantages as a spectroscopic analytical tool due to the large enhancement of the weak Raman signal and thereby facilitates suitable identification of chemical and biological systems.

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35

Scott, B. L., and K. T. Carron. "Dynamic Surface Enhanced Raman Spectroscopy (SERS): Extracting SERS from Normal Raman Scattering." Analytical Chemistry 84, no. 20 (September 26, 2012): 8448–51. http://dx.doi.org/10.1021/ac301914a.

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36

Kämmer, Evelyn, Konstanze Olschewski, Stephan Stöckel, Petra Rösch, Karina Weber, Dana Cialla-May, Thomas Bocklitz, and Jürgen Popp. "Quantitative SERS studies by combining LOC-SERS with the standard addition method." Analytical and Bioanalytical Chemistry 407, no. 29 (September 22, 2015): 8925–29. http://dx.doi.org/10.1007/s00216-015-9045-z.

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37

Klutse, Charles K., Adam Mayer, Julia Wittkamper, and Brian M. Cullum. "Applications of Self-Assembled Monolayers in Surface-Enhanced Raman Scattering." Journal of Nanotechnology 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/319038.

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The increasing applications of surface-enhanced Raman scattering (SERS) has led to the development of various SERS-active platforms (SERS substrates) for SERS measurement. This work reviews the current optimization techniques available for improving the performance of some of these SERS substrates. The work particularly identifies self-assembled-monolayer- (SAM-) based substrate modification for optimum SERS activity and wider applications. An overview of SERS, SAM, and studies involving SAM-modified substrates is highlighted. The focus of the paper then shifts to the use of SAMs to improve analytical applications of SERS substrates by addressing issues including long-term stability, selectivity, reproducibility, and functionalization, and so forth. The paper elaborates on the use of SAMs to achieve optimum SERS enhancement. Specific examples are based on novel multilayered SERS substrates developed in the author’s laboratory where SAMs have been demonstrated as excellent dielectric spacers for improving SERS enhancement more than 20-fold relative to conventional single layer SERS substrates. Such substrate optimization can significantly improve the sensitivity of the SERS method for analyte detection.

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38

Gühlke, Marina, Zsuzsanna Heiner, and Janina Kneipp. "Combined near-infrared excited SEHRS and SERS spectra of pH sensors using silver nanostructures." Physical Chemistry Chemical Physics 17, no. 39 (2015): 26093–100. http://dx.doi.org/10.1039/c5cp03844h.

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Combined surface-enhanced Raman scattering (SERS) and surface-enhanced hyper-Raman scattering (SEHRS) of a pH sensor, consisting of silver nanostructures and para-mercaptobenzoic acid and operating with near-IR excitation, is studied.

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39

Peng, Ran, Tingting Zhang, Sheng Yan, Yongxin Song, Xinyu Liu, and Junsheng Wang. "Recent Development and Applications of Stretchable SERS Substrates." Nanomaterials 13, no. 22 (November 17, 2023): 2968. http://dx.doi.org/10.3390/nano13222968.

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Surface-enhanced Raman scattering (SERS) is a cutting-edge technique for highly sensitive analysis of chemicals and molecules. Traditional SERS-active nanostructures are constructed on rigid substrates where the nanogaps providing hot-spots of Raman signals are fixed, and sample loading is unsatisfactory due to the unconformable attachment of substrates on irregular sample surfaces. A flexible SERS substrate enables conformable sample loading and, thus, highly sensitive Raman detection but still with limited detection capabilities. Stretchable SERS substrates with flexible sample loading structures and controllable hot-spot size provide a new strategy for improving the sample loading efficiency and SERS detection sensitivity. This review summarizes and discusses recent development and applications of the newly conceptual stretchable SERS substrates. A roadmap of the development of SERS substrates is reviewed, and fabrication techniques of stretchable SERS substrates are summarized, followed by an exhibition of the applications of these stretchable SERS substrates. Finally, challenges and perspectives of the stretchable SERS substrates are presented. This review provides an overview of the development of SERS substrates and sheds light on the design, fabrication, and application of stretchable SERS systems.

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40

Zhao, Yiping. "On the Measurements of the Surface-Enhanced Raman Scattering Spectrum: Effective Enhancement Factor, Optical Configuration, Spectral Distortion, and Baseline Variation." Nanomaterials 13, no. 23 (November 22, 2023): 2998. http://dx.doi.org/10.3390/nano13232998.

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In this paper, a comprehensive theoretical framework for understanding surface-enhanced Raman scattering (SERS) measurements in both solution and thin-film setups, focusing on electromagnetic enhancement principles, was presented. Two prevalent types of SERS substrates found in the literature were investigated: plasmonic colloidal particles, including spherical and spheroid nanoparticles, nanoparticle diameters, and thin-film-based SERS substrates, like ultra-thin substrates, bundled nanorods, plasmonic thin films, and porous thin films. The investigation explored the impact of analyte adsorption, orientation, and the polarization of the excitation laser on effective SERS enhancement factors. Notably, it considered the impact of analyte size on the SERS spectrum by examining scenarios where the analyte was significantly smaller or larger than the hot spot dimensions. The analysis also incorporated optical attenuations arising from the optical properties of the analyte and the SERS substrates. The findings provide possible explanations for many observations made in SERS measurements, such as variations in relative peak intensities during SERS assessments, reductions in SERS intensity at high analyte concentrations, and the occurrence of significant baseline fluctuations. This study offers valuable guidance for optimizing SERS substrate design, enhancing SERS measurements, and improving the quantification of SERS detection.

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41

He, Shuai, Jefri Chua, Eddie Khay Ming Tan, and James Chen Yong Kah. "Optimizing the SERS enhancement of a facile gold nanostar immobilized paper-based SERS substrate." RSC Advances 7, no. 27 (2017): 16264–72. http://dx.doi.org/10.1039/c6ra28450g.

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Schematic of study to optimize the SERS enhancement factor of a low cost and facile gold nanostar (AuNS)-based paper-SERS substrate through optimizing the paper materials, immobilization strategies, and SERS acquisition conditions.

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42

Xia, Jiarui, Wenwen Li, Mengtao Sun, and Huiting Wang. "Application of SERS in the Detection of Fungi, Bacteria and Viruses." Nanomaterials 12, no. 20 (October 12, 2022): 3572. http://dx.doi.org/10.3390/nano12203572.

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In this review, we report the recent advances of SERS in fungi, bacteria, and viruses. Firstly, we briefly introduce the advantage of SERS over fluorescence on virus identification and detection. Secondly, we review the feasibility analysis of Raman/SERS spectrum analysis, identification, and fungal detection on SERS substrates of various nanostructures with a signal amplification mechanism. Thirdly, we focus on SERS spectra for nucleic acid, pathogens for the detection of viruses and bacteria, and furthermore introduce SERS-based microdevices, including SERS-based microfluidic devices, and three-dimensional nanostructured plasmonic substrates.

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43

Zhao, Xingjuan, Jean-Francois Masson, and C. Geraldine Bazuin. "(Digital Presentation) Fabricating SERS-Active Nanofibers Covered with Au Nanoparticles for SERS Optophysiology." ECS Meeting Abstracts MA2022-01, no. 53 (July 7, 2022): 2213. http://dx.doi.org/10.1149/ma2022-01532213mtgabs.

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Nanofibers as biosensors have attracted great attention due to its facile removal from the biosystem after a period of intra- or extracellular measurements and site-specific measurement among others. The application of nanofibers covered with Au nanoparticles as SERS sensor circumvents the aggregation and accumulation of Au nanoparticles in vitro or in vivo, in addition to the greater Raman enhancement of signal than on planar surface. We report here on a strategy using block copolymer brush-layer templating and ligand exchange for fabricating highly reproducible and stable SERS-active nanofibers with tip diameters down to 60 nm and covered with well-dispersed and uniformly distributed branched AuNPs, which have intrinsic hotspots favoring inherently high plasmonic sensitivity. In addition, AuNPs with tunable morphology and adjacent spacing on the nanofibers can be adjusted using an in situ growth technique, thereby enhanced SERS sensitivity was obtained due to the asymmetric structure and coupling between the adjacent AuNPs. Tunable AuNP morphologies and hence the optical characteristics of the AuNPs on the nanofibers can be easily controlled by choice of experimental parameters, particularly the growth time. Besides, finite difference time domain (FDTD) simulations were performed to gain more insight into the electric-field enhancement of AuNPs on the high-curvature substrates. Furthermore, SERS application of these nanosensors in pH sensing and Hg2+ detection is demonstrated here, offering appealing and promising candidates for real time monitoring of extra/intra-cellular species in vitro or in vivo. In addition to SERS sensing, these highly uniform nanosensors have other far-reaching implications, including medical diagnostics, therapeutics and so on.

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44

Mukherjee, Ashutosh, Quan Liu, Frank Wackenhut, Fang Dai, Monika Fleischer, Pierre-Michel Adam, Alfred J. Meixner, and Marc Brecht. "Gradient SERS Substrates with Multiple Resonances for Analyte Screening: Fabrication and SERS Applications." Molecules 27, no. 16 (August 10, 2022): 5097. http://dx.doi.org/10.3390/molecules27165097.

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Surface-enhanced Raman spectroscopy (SERS) provides a strong enhancement to an inherently weak Raman signal, which strongly depends on the material, design, and fabrication of the substrate. Here, we present a facile method of fabricating a non-uniform SERS substrate based on an annealed thin gold (Au) film that offers multiple resonances and gap sizes within the same sample. It is not only chemically stable, but also shows reproducible trends in terms of geometry and plasmonic response. Scanning electron microscopy (SEM) reveals particle-like and island-like morphology with different gap sizes at different lateral positions of the substrate. Extinction spectra show that the plasmonic resonance of the nanoparticles/metal islands can be continuously tuned across the substrate. We observed that for the analytes 1,2-bis(4-pyridyl) ethylene (BPE) and methylene blue (MB), the maximum SERS enhancement is achieved at different lateral positions, and the shape of the extinction spectra allows for the correlation of SERS enhancement with surface morphology. Such non-uniform SERS substrates with multiple nanoparticle sizes, shapes, and interparticle distances can be used for fast screening of analytes due to the lateral variation of the resonances within the same sample.

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45

Yang, Zichen, Chaoqun Ma, Jiao Gu, Yamin Wu, Chun Zhu, Lei Li, Hui Gao, et al. "SERS Detection of Benzoic Acid in Milk by Using Ag-COF SERS Substrate." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 267 (February 2022): 120534. http://dx.doi.org/10.1016/j.saa.2021.120534.

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46

Preciado-Flores, Sandra, Damon A. Wheeler, Tuan Minh Tran, Zuki Tanaka, Chaoyang Jiang, Marcelino Barboza-Flores, Fang Qian, Yat Li, Bin Chen, and Jin Z. Zhang. "SERS spectroscopy and SERS imaging of Shewanella oneidensis using silver nanoparticles and nanowires." Chemical Communications 47, no. 14 (2011): 4129. http://dx.doi.org/10.1039/c0cc05517d.

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47

Liu, Rongyang, Li Jiang, Zizhen Yu, Yi Chen, Rui Xu, and Shangzhong Jin. "Flexible SERS platform based on Ti3C2Tx-modified filter paper: preparation and SERS application." Applied Optics 59, no. 26 (September 8, 2020): 7846. http://dx.doi.org/10.1364/ao.398454.

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48

Sevim, Semih, Carlos Franco, Xiang‐Zhong Chen, Alessandro Sorrenti, David Rodríguez‐San‐Miguel, Salvador Pané, Andrew J. deMello, and Josep Puigmartí‐Luis. "SERS Barcode Libraries: SERS Barcode Libraries: A Microfluidic Approach (Adv. Sci. 12/2020)." Advanced Science 7, no. 12 (June 2020): 2070068. http://dx.doi.org/10.1002/advs.202070068.

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49

Pham, Xuan-Hung, Eunil Hahm, Tae Han Kim, Hyung-Mo Kim, Sang Hun Lee, SangChul Lee, Homan Kang, et al. "Erratum to: Enzyme-amplified SERS immunoassay with Ag-Au bimetallic SERS hot spots." Nano Research 14, no. 3 (October 29, 2020): 895. http://dx.doi.org/10.1007/s12274-020-3115-z.

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50

Asing, Md Eaqub Ali, and Sharifah Bee Abd Hamid. "SERS-Modeling in Molecular Sensing." Advanced Materials Research 1109 (June 2015): 223–26. http://dx.doi.org/10.4028/www.scientific.net/amr.1109.223.

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Surface enhanced Raman spectroscopy (SERS) is an ultrasensitive vibrational spectroscopic technique that useful tools in detecting biomolecules at near or on the surface of plasmonic nanostructures. Unique physicochemical and optical properties of noble metal nanostructures allow the assimilation of biomolecular probes and exhibit distinctive spectra, prompting the development of a plethora of biosensing platforms in molecular diagnostics. In SERS biosensor, signal to noise ration such as recognition and transducer elements that provide fingerprint spectrum at the lower limit of detection with specific binding or hybridized event, increasing reliability and sensitivity. Since the localized surface plasmon resonance (LSPR) of nanoparticle lies at the heart of SERS. It is essential to control all of the LSPR influencing factors in highly sensitivity signal strength that ensures reproducibility of SERS signals. SERS active substrates, transducer elements, metal surfaces modification, interparticle spacing, dielectric environment and selection of biorecognition molecules contribute in SERS signal strength. Modified metal structure with bioprobe and Raman reporter molecules provides a strong signature fingerprints that surely contribute to noble biosensor structural designing. We reviewed here ideal fabrication of nanostructure for SERS application in molecular sensing research fields.

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