Research Article

Preparation of Thermosensitive Gel for Controlled Release of Levofloxacin and Their Application in the Treatment of Multidrug-Resistant Bacteria

Table 3

Hydrodynamic diameter (nm), mean distribution (%), and zeta potential (mV) of micelles composed of PL 407 or PL 108 isolated or in association with PL L-81 containing levofloxacin (LVF).

Formulations 25°C37°C
Hydrodynamic diameter (nm)Mean distribution (%)Zeta potential (mV)Hydrodynamic diameter (nm)Mean distribution (%)Zeta potential (mV)

F15.2 ± 0.1
39.8 ± 0.9
10.5 ± 0.9
89.5 ± 0.2
−15.30 ± 1.0321.0 ± 0.6100−5.45 ± 0.34
F25.6 ± 0.2
46.0 ± 1.5
10.7 ± 1.1
89.3 ± 1.0
−15.70 ± 1.1922.5 ± 1.7100−14.02 ± 0.54
F36.2 ± 0.1
467.8 ± 42.1
12.7 ± 0.2
87.3 ± 0.3
−3.62 ± 1.58482.1 ± 20.2100−6.63 ± 0.85
F437.0 ± 0.1
492.1 ± 0.1
31.7 ± 0.1
62.7 ± 0.2
−2.57 ± 1.31495.4 ± 3.298.3 ± 2.3−2.54 ± 0.64
F1-L552.4 ± 43.999.2 ± 0.8−6.03 ± 0.63333.2 ± 2.689.2 ± 12−2.54 ± 0.64
F2-L6.2 ± 0.06
458.4 ± 19.8
12.8 ± 0.2
87.2 ± 0.2
−16.60 ± 0.43338.3 ± 6.795.8 ± 3.7−16.60 ± 0.54
F3-L552.3 ± 44.298.7 ± 1.2−2.49 ± 0.65539.8 ± 80.692.2 ± 7.6−14.40 ± 0.45
F4-L580.1 ± 0.193.1 ± 5.6−1.90 ± 0.82587.5 ± 4.993.1 ± 2.4−6.24 ± 0.65

Note: data presented as mean ± standard deviation (/formulation).