| Title |
Metal-Induced Energy Transfer (MIET) for Live-Cell Imaging with Fluorescent Proteins
|
|---|---|
| Published in |
ACS Nano, March 2023
|
| DOI | 10.1021/acsnano.2c12372 |
| Pubmed ID | |
| Authors | |
| Abstract |
Metal-induced energy transfer (MIET) imaging is an easy-to-implement super-resolution modality that achieves nanometer resolution along the optical axis of a microscope. Although its capability in numerous biological and biophysical studies has been demonstrated, its implementation for live-cell imaging with fluorescent proteins is still lacking. Here, we present its applicability and capabilities for live-cell imaging with fluorescent proteins in diverse cell types (adult human stem cells, human osteo-sarcoma cells, and Dictyostelium discoideum cells), and with various fluorescent proteins (GFP, mScarlet, RFP, YPet). We show that MIET imaging achieves nanometer axial mapping of living cellular and subcellular components across multiple time scales, from a few milliseconds to hours, with negligible phototoxic effects. |
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