Table 1.

Properties of the polymers

	λ ab, a nm		λ em, b nm		CMC mg/mL	Diameter, e (nm)	19F T1, h (ms)	19F T2, h (ms)	19F T1, i (ms)	19F T2, i (ms)
	Soln, c	Aggr, d	Soln (η)	Aggr (η)
P1	412	405	521 (0.013)	530 (2.0)	0.033	----f
P2	408	405	518 (0.011)	535 (2.1)	0.032	6.9
P3	418	414	528 (0.013)	538 (8.7)	0.014	8.6
P4	420	415	530 (0.013)	540 (10.1)	0.011	8.0
P5	420	416	533 (0.010)	540 (10.4)	0.006	8.1
PF1	422	417	520 (0.010)	531 (3.9)	0.041	22	274	65
PF2	419	415	520 (0.016)	524 (16.5)	0.034	26	237	28	215	33
PF3	418	415	520 (0.012)	525 (19.7)	0.034	21	276	36	260	42
PF4	416	411	520 (0.017)	516 (38.3)	0.033	21	244	11
PF5	411	410	521 (0.003)	518 (40.7)	0.034	----g

^aAbsorption maximum.

^bEmission maximum (with quantum yield (η, %) given in the parentheses); excitation wavelength: 425 nm.

^cSolutions (in DMSO).

^dAggregates (in 2% DMSO aqueous solutions).

^eby DLS.

^fno reliable data.

^gnot measured because of the poor solubility.

^hin 2% DMSO aqueous solutions with polymer concentrations of 10 mg/mL.

ⁱin 10 mM HEPES buffers (pH 7.2) with polymer concentrations of 10 mg/mL.