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Biomolecular Imaging of Cellular Uptake of Nanoparticles using Multimodal Nonlinear Optical Microscopy

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Published on: May 16, 2022

Surface enhanced optical spectroscopies for bioanalysis.

Iain A Larmour¹, Duncan Graham

¹Centre for Molecular Nanometrology, WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, UK.

|July 23, 2011

Summary

This summary is machine-generated.

Surface enhancement techniques improve optical spectroscopy sensitivity for detecting disease biomarkers. Addressing current challenges is key for their widespread clinical adoption and patient benefit.

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Area of Science:

Biophysical techniques
Analytical chemistry
Biomedical diagnostics

Background:

Surface enhancement amplifies optical signals in various spectroscopies.
Enhanced techniques enable lower-level detection of disease biomarkers in bioanalysis.
Clinical application of these methods is limited by several significant challenges.

Purpose of the Study:

To review substrates used for surface enhancement in optical spectroscopy.
To detail key enhanced optical techniques, including SPR, LSPR, SEF, SEIRAS, and SER(R)S.
To identify and discuss the major challenges hindering clinical translation.

Main Methods:

Literature review of surface enhancement substrates.
Detailed examination of surface plasmon resonance (SPR) and localized surface plasmon resonance (LSPR).
Review of surface-enhanced fluorescence (SEF), surface-enhanced infrared absorption spectroscopy (SEIRAS), and surface-enhanced (resonance) Raman spectroscopy (SER(R)S).

Main Results:

Various substrates are employed to achieve optical signal enhancement.
Specific enhanced techniques offer distinct advantages for bioanalysis.
Several "grand challenges" impede the clinical implementation of these powerful diagnostic tools.

Conclusions:

Surface-enhanced optical spectroscopy holds significant promise for sensitive disease biomarker detection.
Overcoming identified challenges is crucial for the clinical translation of these advanced analytical methods.
Further research and development are needed to realize the full patient benefit of enhanced spectroscopic techniques.