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Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues XI

DOI: 10.1117/12.2002970

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Label-free imaging of fatty acid content within yeast samples

Proceedings article published in 2013 by N. Garrett ORCID, J. Moger
This paper is available in a repository.
This paper is available in a repository.

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Data provided by SHERPA/RoMEO

Abstract

Fungi have been found to be an underlying cause of 70% of all plant and animal extinctions caused by infectious diseases. Fungal infections are a growing problem affecting global health, food production and ecosystems. Lipid metabolism is a promising target for antifungal drugs and since effective treatment of fungal infections requires a better understanding of the effects of antifungal agents at the cellular level, new techniques are needed to investigate this problem. Recent advances in nonlinear microscopy allow chemically-specific contrast to be obtained non-invasively from intrinsic chemical bonds within live samples using advanced spectroscopy techniques probing Raman-active resonances. We present preliminary data using Stimulated Raman Scattering (SRS) microscopy as a means to visualise lipid droplets within individual living fungi by probing Raman resonances of the CH stretching region between 2825cm-1 and 3030cm-1. © 2013 Copyright SPIE.