Extracellular Vesicle Identification Using Label-Free Surface-Enhanced Raman Spectroscopy: Detection and Signal Analysis Strategies

Extracellular vesicles (EVs) have been widely investigated as promising biomarkers for the liquid biopsy of diseases, owing to their countless roles in biological systems. Furthermore, with the notable progress of exosome research, the use of label-free surface-enhanced Raman spectroscopy (SERS) to...

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Main Authors: Hyunku Shin, Dongkwon Seo, Yeonho Choi
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/25/21/5209
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author Hyunku Shin
Dongkwon Seo
Yeonho Choi
author_facet Hyunku Shin
Dongkwon Seo
Yeonho Choi
author_sort Hyunku Shin
collection DOAJ
description Extracellular vesicles (EVs) have been widely investigated as promising biomarkers for the liquid biopsy of diseases, owing to their countless roles in biological systems. Furthermore, with the notable progress of exosome research, the use of label-free surface-enhanced Raman spectroscopy (SERS) to identify and distinguish disease-related EVs has emerged. Even in the absence of specific markers for disease-related EVs, label-free SERS enables the identification of unique patterns of disease-related EVs through their molecular fingerprints. In this review, we describe label-free SERS approaches for disease-related EV pattern identification in terms of substrate design and signal analysis strategies. We first describe the general characteristics of EVs and their SERS signals. We then present recent works on applied plasmonic nanostructures to sensitively detect EVs and notable methods to interpret complex spectral data. This review also discusses current challenges and future prospects of label-free SERS-based disease-related EV pattern identification.
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spelling doaj.art-ed198a46232f45c38a0c43c6460d69dc2023-11-20T20:17:23ZengMDPI AGMolecules1420-30492020-11-012521520910.3390/molecules25215209Extracellular Vesicle Identification Using Label-Free Surface-Enhanced Raman Spectroscopy: Detection and Signal Analysis StrategiesHyunku Shin0Dongkwon Seo1Yeonho Choi2Department of Bio-convergence Engineering, Korea University, Seoul 02841, KoreaDepartment of Bio-convergence Engineering, Korea University, Seoul 02841, KoreaDepartment of Bio-convergence Engineering, Korea University, Seoul 02841, KoreaExtracellular vesicles (EVs) have been widely investigated as promising biomarkers for the liquid biopsy of diseases, owing to their countless roles in biological systems. Furthermore, with the notable progress of exosome research, the use of label-free surface-enhanced Raman spectroscopy (SERS) to identify and distinguish disease-related EVs has emerged. Even in the absence of specific markers for disease-related EVs, label-free SERS enables the identification of unique patterns of disease-related EVs through their molecular fingerprints. In this review, we describe label-free SERS approaches for disease-related EV pattern identification in terms of substrate design and signal analysis strategies. We first describe the general characteristics of EVs and their SERS signals. We then present recent works on applied plasmonic nanostructures to sensitively detect EVs and notable methods to interpret complex spectral data. This review also discusses current challenges and future prospects of label-free SERS-based disease-related EV pattern identification.https://www.mdpi.com/1420-3049/25/21/5209extracellular vesiclessurface-enhanced Raman spectroscopynanostructuressignal analysis
spellingShingle Hyunku Shin
Dongkwon Seo
Yeonho Choi
Extracellular Vesicle Identification Using Label-Free Surface-Enhanced Raman Spectroscopy: Detection and Signal Analysis Strategies
Molecules
extracellular vesicles
surface-enhanced Raman spectroscopy
nanostructures
signal analysis
title Extracellular Vesicle Identification Using Label-Free Surface-Enhanced Raman Spectroscopy: Detection and Signal Analysis Strategies
title_full Extracellular Vesicle Identification Using Label-Free Surface-Enhanced Raman Spectroscopy: Detection and Signal Analysis Strategies
title_fullStr Extracellular Vesicle Identification Using Label-Free Surface-Enhanced Raman Spectroscopy: Detection and Signal Analysis Strategies
title_full_unstemmed Extracellular Vesicle Identification Using Label-Free Surface-Enhanced Raman Spectroscopy: Detection and Signal Analysis Strategies
title_short Extracellular Vesicle Identification Using Label-Free Surface-Enhanced Raman Spectroscopy: Detection and Signal Analysis Strategies
title_sort extracellular vesicle identification using label free surface enhanced raman spectroscopy detection and signal analysis strategies
topic extracellular vesicles
surface-enhanced Raman spectroscopy
nanostructures
signal analysis
url https://www.mdpi.com/1420-3049/25/21/5209
work_keys_str_mv AT hyunkushin extracellularvesicleidentificationusinglabelfreesurfaceenhancedramanspectroscopydetectionandsignalanalysisstrategies
AT dongkwonseo extracellularvesicleidentificationusinglabelfreesurfaceenhancedramanspectroscopydetectionandsignalanalysisstrategies
AT yeonhochoi extracellularvesicleidentificationusinglabelfreesurfaceenhancedramanspectroscopydetectionandsignalanalysisstrategies