Table 10.

Stability.

Room temperature			2–8 °C			Freeze-thaw
Sample	Mean OD	SNR	Sample	Mean OD	SNR	Sample	Mean OD	SNR
HPC-1	0.4276	5.43	HPC-1	0.3911	4.96	HPC-1	0.4106	5.21
HPC-2	0.4291	5.45	HPC-2	0.5195	6.59	HPC-2	0.4310	5.47
HPC-3	0.4098	5.20	HPC-3	0.3977	5.05	HPC-3	0.4033	5.12
LPC-1	0.0990	1.26	LPC-1	0.0943	1.20	LPC-1	0.0983	1.25
LPC-2	0.0974	1.24	LPC-2	0.0965	1.22	LPC-2	0.0959	1.22
LPC-3	0.0938	1.19	LPC-3	0.0930	1.18	LPC-3	0.0956	1.21
NC-1	0.0747	0.95	NC-1	0.0758	0.96	NC-1	0.0787	1.00
NC-2	0.0761	0.97	NC-2	0.0752	0.95	NC-2	0.0768	0.97
NC-3	0.0751	0.95	NC-3	0.0750	0.95	NC-3	0.0752	0.95