Cov tshuaj tiv thaiv dawb radical yog ntau yam tshuaj tiv thaiv uas cov dawb radicals koom nrog. Cov txheej txheej sab nrauv ntawm lub plhaub dawb radical electron muaj ib qho hluav taws xob tsis sib xws, uas muaj kev sib raug zoo los ua kom cov hluav taws xob thib ob, yog li nws tuaj yeem ua lub luag haujlwm ntawm lub zog oxidant. Qhov tseem ceeb tshaj nyob rau hauv cov huab cua yog OH-radicals, uas tuaj yeem hnov mob nrog ntau yam kab mob.
