Preparation and Characterization of Kynurenic Acid Occluded in Sol-Gel Silica and SBA-15 Silica as Release Reservoirs

Table 1

Textural values of silica and KYNA-containing silica.

Samples	𝑆BET (m^2/g)	𝐷𝑝 (nm)	𝑉𝑝 (cc/g)
SiO2	492	4.1	0.51
SiO2-KYNA	43	45.7	0.50
SBA-15	584	5.0	0.74
SBA-15 KYNA	314	8.3	0.65

𝑆_BET (surface area), 𝐷_𝑝 (average pore diameter) and 𝑉_𝑝 (pore volume).