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Interpenetrating Polymer Networks as New Sorbent for Microextraction Techniques
, M.Sc. Thesis Sharif University of Technology ; Bagheri, Habib (Supervisor)
Abstract
In this project, silica and polystyrene based interpenetrating polymer networks (IPNs) were used as a sorbent for microextraction in packed sorbent for having both of the polymer’s properties at the same time. Interpenetrating polymer networks were synthesized with the simultaneous method and three different kind of interpenetrating polymer networks were prepared including full-interpenetrating polymer networks, covalent semi-interpenetrating polymer networks and non-covalent semi-interpenetrating polymer networks. To investigate extraction efficiency of prepared sorbents, 41 compounds including environmental pollutants and biomolecules were chosen. Studies showed that interpenetrating...
Lithography-directed Self-assembly for Designing Drug Particles of Various Sizes and Morphologies
, M.Sc. Thesis Sharif University of Technology ; Safari, Hanieh (Supervisor)
Abstract
To design a drug delivery system, the drug must be encapsulated within a carrier matrix. One of the main challenges in this field is encapsulating high drug doses while achieving a linear release profile at the target site to maintain drug concentration for optimal therapeutic effects. Consequently, many research groups have focused on refining fabrication techniques to maximize loading efficiency and optimize drug release profiles from delivery systems. A potential approach to addressing this issue is the direct fabrication of a controlled-release system from the active pharmaceutical ingredient (API) itself, eliminating the need for a carrier matrix. Studies have demonstrated that such...