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Raman Imaging in Cell Membranes, Lipid-Rich Organelles, and Lipid Bilayers

TitleRaman Imaging in Cell Membranes, Lipid-Rich Organelles, and Lipid Bilayers
Publication TypeJournal Article
Year of Publication2017
AuthorsSyed, A, Smith, EA
Secondary AuthorsCooks, RG, Pemberton, JE
JournalAnnual Review of Analytical Chemistry, Vol 10
Date Published03
Accession NumberWOS:000404991300013
Keywordsalkyne, biological-membranes, cancer-cells, coherent anti-Stokes Raman scattering, deuterium labeling, fluid-mosaic model, in-vivo, live cells, multiplex cars microscopy, nanoparticles, scattering microscopy, silver, single-particle sers, stimulated Raman scattering, surface-enhanced raman, surface-enhanced Raman scattering, TAGS, tip-enhanced Raman scattering

Raman-based optical imaging is a promising analytical tool for noninvasive, label-free chemical imaging of lipid bilayers and cellular membranes. Imaging using spontaneous Raman scattering suffers from a low intensity that hinders its use in some cellular applications. However, developments in coherent Raman imaging, surface-enhanced Raman imaging, and tip-enhanced Raman imaging have enabled video-rate imaging, excellent detection limits, and nanometer spatial resolution, respectively. After a brief introduction to these commonly used Raman imaging techniques for cell membrane studies, this review discusses selected applications of these modalities for chemical imaging of membrane proteins and lipids. Finally, recent developments in chemical tags for Raman imaging and their applications in the analysis of selected cell membrane components are summarized. Ongoing developments toward improving the temporal and spatial resolution of Raman imaging and small-molecule tags with strong Raman scattering cross sections continue to expand the utility of Raman imaging for diverse cell membrane studies.

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Short TitleAnnu. Rev. Anal. Chem.