That is a good question, and as a microbiologist I have very little knowledge about it!
All I know is that it’s a branch of physics looking at the fundamental theory of nature at small scales and low energies of atoms and subatomic particles..apparently so I read 😉
I know in the field of nanotechnology (https://en.wikipedia.org/wiki/Nanotechnology) the quantum scale is becoming the norm. In diagnostic medical imaging there are things called quantum dots (https://en.wikipedia.org/wiki/Quantum_dot) that are semiconductors (similar to computer chipsets made from silicon) that can attach to live cells and luminate on a photo detector. This shows the realtime movement of live cells within say a tumour which would be useful for treatment plants. As far as I know this technology is still in the research phase, but advancements are made everyday.