For example, the fine-structure constant,::formula_1(where formula_2 is the charge of an electron, formula_3 is the permittivity of free space, formula_4 is the reduced Planck constant and formula_5 is the speed of light) is such a dimensionless coupling constant that determines the strength of the electromagnetic force on an electron.
=== Medsebojno delovanje z drugimi nefrotoksini ===Tudi vprašanje o tem, ali vankomicin poveča toksičnost drugih nefrotoksinov in če, v kolikšni meri, ostaja sporno in nepojasnjeno.