Nevertheless,the addition of 5 nM Hg2þ caused an obvious increase of electrochemical signal,manifesting the developed aptasensor had high specificity to the detection of Hg2þ.
Nevertheless,the addition of 5 nM Hg2þ caused anobvious increase of electrochemical signal,manifesting the developed aptasensor had high specificity to the detection of Hg2þ.