Abstract
Surface-enhanced Raman scattering (SERS) is used for the characterization of six yeast species and six isolates. The sample for SERS analysis is prepared by mixing the yeast cells with a four times concentrated silver colloidal suspension. The scanning electron microscopy (SEM) images show that the strength of the interaction between silver nanoparticles and the yeast cells depends on the biochemical structure of the cell wall. The SERS spectra are used to identify the biochemical structures on the yeast cell wall. It is found that the density of –SH and –NH<sub>2</sub> groups might be higher on certain yeast cell walls. Finally, the obtained SERS spectra from yeast is used for the classification of the yeast.
PDF Article
More Like This
Enrichment and ratiometric detection of circulating tumor cells using PSMA- and folate receptor-targeted magnetic and surface-enhanced Raman scattering nanoparticles
Pradyumna Kedarisetti, Vincent R. Bouvet, Wei Shi, Cody N. Bergman, Jennifer Dufour, Afshin Kashani Ilkhechi, Kevan L. Bell, Robert J. Paproski, John D. Lewis, Frank R. Wuest, and Roger J. Zemp
Biomed. Opt. Express 11(11) 6211-6230 (2020)
Cited By
You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription