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Electron-beam patterned calibration structures for structured illumination microscopy
oleh: Sangeetha Hari, Johan A. Slotman, Yoram Vos, Christian Floris, Wiggert A. van Cappellen, C. W. Hagen, Sjoerd Stallinga, Adriaan B. Houtsmuller, Jacob P. Hoogenboom
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2022-11-01 |
Deskripsi
Abstract Super-resolution fluorescence microscopy can be achieved by image reconstruction after spatially patterned illumination or sequential photo-switching and read-out. Reconstruction algorithms and microscope performance are typically tested using simulated image data, due to a lack of strategies to pattern complex fluorescent patterns with nanoscale dimension control. Here, we report direct electron-beam patterning of fluorescence nanopatterns as calibration standards for super-resolution fluorescence. Patterned regions are identified with both electron microscopy and fluorescence labelling of choice, allowing precise correlation of predefined pattern dimensions, a posteriori obtained electron images, and reconstructed super-resolution images.