J. E. Barnard's letter in NATURE of December 8, p. 468, that other workers have taken up the problem of variable illumination for the microscope. But in criticising the method outlined in these ...

The inverted Nikon N-SIM/A1 microscope is a combination structured illumination microscopy (SIM), laser scanning confocal and total internal reflection fluorescence (TIRF) microscopy system. SIM and ...