Automation of liberation tests for releasing biologically active substances from nanofibers

Charles University Faculty of Pharmacy in Hradec Králové Department of analytical chemistry Candidate: Marie Schneidrová Supervisor: doc. PharmDr. Hana Sklenářová, Ph.D. Title of the diploma thesis: Automation of liberation tests for releasing biologically active substance from nanofibers The main goal of this diploma thesis is an automation of TTC liberation from nanofibers, using non-separation flow method sequential injection analysis. UV-VIS spectrophotometer was used for the detection of signal. Measurements were carried out using 1-3 connected Franz cells in parallel, palced in the water bath. Buffer solutions with pH 7.4 and 4.5 were used as liberation media. The liberation of TTC was realized from two different nanofiber carriers - types "A" and "AK", Difference was in their preparation process. Because of this, each of them revealed various characteristics mainly related to the amount of bound TTC and the way of its binding to the nanofiber carrier. Production of these nanofibers was realized by Technical University Liberec using the technology NanoSpiderTM . Measurements were performed under various predetermined conditions, representing the state of the human skin - two different pH (7.4; 4.5) and temperature (32řC; 37řC) values. Four different types of membrane filters were also used,..