Preparation and Characterization of Gelatin-Based Mucoadhesive Nanocomposites as Intravesical Gene Delivery Scaffolds

Table 1

Characterization of gelatin hydrogels.

Item	Gelatin type	Bloom number^a	Yield (%)^b	Concentration (wt%)	Hydration ratio (%)^b	Viscosity (Pa·s)^b	Particle size (nm)^b
A75	A	75	75.2 ± 3.7	5	94.1 ± 0.93	3.4 ± 0.0	177.0 ± 4.9
				15	86.9 ± 0.1	16.6 ± 1.3	179.5 ± 6.9
A175	A	175	81.5 ± 10.5	5	94.9 ± 0.19	2.6 ± 0.0	135.2 ± 5.8
				15	87.1 ± 0.1	42.9 ± 0.6	125.8 ± 7.4
B75	B	75	53.0 ± 1.6	5	93.8 ± 0.17	1.3 ± 0.0	117.9 ± 1.1
				15	86.3 ± 0.4	15.4 ± 1.3	135.7 ± 1.3
B225	B	225	60.0 ± 7.0	5	94.9 ± 0.6	1.9 ± 0.6	117.9 ± 7.4
				15	87.4 ± 0.1	36.5 ± 0.6	110.6 ± 11.9

The bloom number is proportional to the average molecular weight.
^bData are mean ± SD ().