KEYWORDS: 3D image processing, Super resolution, Stereoscopy, Microfabrication, Glasses, Fractal analysis, 3D metrology, Super resolution microscopy, Nanomaterials, Modulation
The potential of micro-and nanofabricated samples as a platform to modulate cell behavior using 3D physical cues has shown tremendous interest in cell differentiation. Investigating cell behavior and organization at the molecular level requires advanced imaging techniques.
We produced multiscale 3D substrates with glass fractal pyramids composed of several generations of octahedra of decreasing sizes, which allow direct observation of cells in 3D SMLM. We show how these samples can be fluorescently labeled and used as a self-referenced sample for calibration and resolution measurements. Moreover, we perform quantitative 3D SMLM on cells growing on such fractal substrates, observing spheroid-like behavior.
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