Fluorescent and Electron-Dense Green Color Emitting Nanodiamonds for Single-Cell Correlative Microscopy

Neeraj Prabhakar, Markus Peurla, Olga Shenderova, Jessica M Rosenholm

Tutkimustuotos: LehtiartikkeliArtikkeliTieteellinenvertaisarvioitu

9 Sitaatiot (Scopus)

Abstrakti

Correlative light and electron microscopy (CLEM) is revolutionizing how cell samples are studied. CLEM provides a combination of the molecular and ultrastructural information about a cell. For the execution of CLEM experiments, multimodal fiducial landmarks are applied to precisely overlay light and electron microscopy images. Currently applied fiducials such as quantum dots and organic dye-labeled nanoparticles can be irreversibly quenched by electron beam exposure during electron microscopy. Generally, the sample is therefore investigated with a light microscope first and later with an electron microscope. A versatile fiducial landmark should offer to switch back from electron microscopy to light microscopy while preserving its fluorescent properties. Here, we evaluated green fluorescent and electron dense nanodiamonds for the execution of CLEM experiments and precisely correlated light microscopy and electron microscopy images. We demonstrated that green color emitting fluorescent nanodiamonds withstand electron beam exposure, harsh chemical treatments, heavy metal straining, and, importantly, their fluorescent properties remained intact for light microscopy.
AlkuperäiskieliEnglanti
Artikkeli5897
Sivumäärä10
JulkaisuMolecules
Vuosikerta25
Numero24
DOI - pysyväislinkit
TilaJulkaistu - 13 jouluk. 2020
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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