Table 1.

Acrylamide quenching of NATA in propylene glycol — multi-exponential analysis of NATA fluorescence intensity decays at different temperatures

Temp (°C)	[Acrylamide]	τi (ns)	$\overline{\tau }\left(\text{ns}\right)$	αi	fi	χR2
						1 exp.	2 exp.	3 exp.
20	0	5.277	5.277	1.0	1.0	1.23	–	–
	0.5	3.138		0.553	0.833
		1.261		0.227	0.137
		0.281	2.795	0.220	0.030	239.72	2.96	1.07
	1.0	2.358		0.238	0.529
		1.213		0.360	0.410
		0.162	1.755	0.402	0.061	466.04	6.21	0.76
	1.5	1.506		0.258	0.685
		0.561		0.230	0.228
		0.096	1.168	0.512	0.087	909.45	8.69	1.38
0	0	6.356		0.950	0.992
		0.936	6.313	0.050	0.008	6.71	0.52	–
	0.505	5.407		0.460	0.715
		2.731		0.288	0.242
		0.549	4.293	0.252	0.043	245.74	2.33	0.90
	1.010	3.891		0.315	0.651
		1.820		0.296	0.286
		0.304	3.073	0.389	0.063	641.86	5.99	1.02
	1.515	2.851		0.247	0.701
		0.964		0.244	0.234
		0.128	2.232	0.509	0.065	1132.66	13.92	0.83
−20	0	8.519		0.317	0.534
		4.953		0.464	0.454
		0.277	6.794	−0.219	−0.012	23.65	7.91	0.45
	0.512	6.596		0.579	0.769
		2.721	5.701	0.421	0.231	65.91	0.74	–
	1.023	7.650		0.154	0.321
		4.109		0.509	0.569
		1.204	4.962	0.337	0.110	247.87	2.23	0.89
	1.535	6.318		0.195	0.465
		2.853		0.393	0.423
		0.717	4.225	0.412	0.112	587.20	6.68	1.38
−40	0	8.452		0.200	0.578
		4.523		0.548	0.394
		0.477	5.931	−0.252	−0.028	62.89	10.60	1.07
	0.518	6.759		0.343	0.613
		3.269		0.437	0.378
		0.159	5.378	−0.220	−0.009	22.66	7.32	1.37
	1.036	6.094		0.426	0.649
		2.439	4.811	0.574	0.351	104.75	1.92	–
	1.554	5.959		0.291	0.573
		2.339		0.520	0.402
		0.402	4.365	0.189	0.025	272.67	7.53	1.24
−60	0	12.432		0.020	0.045
		5.387	5.704	0.980	0.955	2.15	1.22	–
	0.524	6.193		0.385	0.591
		3.444		0.445	0.381
		0.675	4.991	0.170	0.028	119.07	2.20	0.28
	1.048	6.075		0.296	0.582
		2.839		0.395	0.362
		0.563	4.595	0.309	0.056	412.20	6.55	0.67
	1.572	5.761		0.227	0.544
		2.431		0.373	0.377
		0.471	4.088	0.400	0.079	725.81	11.01	0.82