Table 2.

Measured LOD for nucleic acid, standard glucose, and serum glucose on different paper surfaces

Analytes	Surface	LOD	R2
Nucleic acid	Hydrophilic	60.08 ng/μL	0.969
	Hydrophobic	36.52 ng/μL	0.982
	Nearly superhydrophobic	16.15 ng/μL	0.989
Standard glucose	Hydrophilic	12.56 mg/dL	0.985
	Hydrophobic	10.03 mg/dL	0.992
	Nearly superhydrophobic	6.19 mg/dL	0.989
Serum glucose	Hydrophilic	14.37 mg/dL	0.976
	Hydrophobic	9.23 mg/dL	0.986
	Nearly superhydrophobic	7.52 mg/dL	0.982