The invention that first enabled researchers to see clear images of living cells was the phase-contrast microscope, which won its inventor, Frits Zernike, a Nobel Prize in 1932. Prior to Zernike's ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Fritz Zernike (1888-1966), a Dutch ...

Phase contrast microscopy showing that Hfx. Volcanii rod-shaped cells can swim while disk-shaped cells cannot. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...

With conventional biological microscopes, special tools are needed for adjusting the components required for phase contrast observation. With the SI-PH Phase Condenser, centering of the ring aperture, ...