Silica Nanofibers with Immobilized Tetracycline for Wound Dressing

Table 1

Analysis results of samples after functionalization by APTES: elemental analysis, calculation from % N, and data from spectrophotometric measurements.

Sample	Content of; (wt%)	APTES captured; (µmol/g)	Accessible NH2 groups; (mol/g)
1	0.13	93	4.46
2	0.10	71	3.76
3	0.11	79	9.83
4	0.13	93	4.52