11. For some applications, such as phase contrast electron microscopy, defocused images can contain useful information. 12. Containing foamy and pale yellow contents, they are a refractive yellow color under phase contrast . 13. The above describes " negative phase contrast ". 14. Phase contrast 100x oil imm ., electronic flash.15. Phase contrast image of L-form cells from " Bacillus subtilis " showing a range of sizes.16. Even removing journal references from phase contrast microscopy. 17. These negative CTEs of the crystalline phase contrasts with the positive CTE of the residual glass. 18. Synchrotron X-ray tomography can employ phase contrast imaging to enable imaging of the interior surfaces of objects. 19. -- Phase contrast microscopy ( PCM ) can detect fibers as small as 0.25 micrometers in diameter. 20. His discovery lay at the base of the first phase contrast microscope, built during World War II.
