B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
B24D15/08—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors
B24D15/081—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors with sharpening elements in interengaging or in mutual contact
Microscope apparatus for detecting or imaging protein using probe for intrinsic fluorescence resonance energy transfer and method for detecting or imaging protein using the same