TABLE I.

Comparison of microwave resonator-based sensors presented in the literature for the detection of glucose concentration in aqueous solutions.

Reference	f0 (GHz)	Conc. (mM)	Sens. (/mM)	Contactless
54	1.68	280–1670	3.6 kHz	No
55	6.5	0–3700	N/A	No
42	1.66	111–556	250 kHz	No
56	16	1.7–445	0.0014 dB	No
57	6	222–5560	0.0018 dB	No
58	2.9	0–22.2	0.0013 dB	No
Here	1.74	3.12–16.1	160 kHz	Yes