Table 2: Fluorescent molecules used and percent leakage of encapsulated molecules after 1 h of immersion in buffer solution.
*Data from reference 9.
Molecular weight Leakage (%)
Fluorescent molecules O-2G P-2G*
Fluorescein 332 39 58
FITC-PEG1000 1388 16 20
FITC-PEG2000 2388 5.6 10