Biosensing Using a Simple Resistor: The Effect of Functionalization on Sensing Devices

Table 6

Comparison of BSA detection with previous works. [LOD, SDS, CV, DPV, and CA stand for lower limit of detection, standard deviation and slope method, cyclic voltammetry, differential pulse voltammetry, and colorimetric assay, respectively.].

Ref.	Sensor type	Materials used	Linear range	LOD calculation	LOD
[21]	Electrical	Electrolyte-gated graphene FET	—	Visual	0.3 nM
[22]	Optical	Fluorescein derivatives	—	Visual	Several μM
[23]	Electrical	ZnO nanosphere	—	Visual	10 pM
[24]	CA, Bradford	—	0.781–12.500 g L^-1	SDS	0.006 g L^-1
[25]	CV	Carbon nanotubes, polymer film		SDS
[26]	DPV	Liquid-graphene modified glassy carbon electrode		SDS
[27]	DPV	Chitosan-coated magnetic nanoparticles modified multiwalled carbon nanotubes		SDS