Table 2. Sensitivity of different sensors for different analytes.

Device	Acetone		Ethanol		Nitrogen Dioxide		Toluene
	Sensitivity (nm/μmol/mol)	Detection Limit (μmol/mol)	Sensitivity (nm/μmol/mol)	Detection Limit (μmol/mol)	Sensitivity (nm/μmol/mol)	Detection Limit (μmol/mol)	Sensitivity (nm/μmol/mol)	Detection Limit (μmol/mol)
Bare ONA	0.06	2.29	0.022	6.70	0.11	1.30	0.16	0.89
GO covered ONA	0.15	1.03	0.15	1.00	0.78	0.19	2.31	0.06
MLG covered ONA	0.29	0.50	0.29	0.50	0.99	0.15	3.05	0.05