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1 Novel Drug Delivery Systems, Preparation techniques دکتر رسول ديناروند استاد داروسازي، دانشگاه علوم پزشکي تهران.

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Presentation on theme: "1 Novel Drug Delivery Systems, Preparation techniques دکتر رسول ديناروند استاد داروسازي، دانشگاه علوم پزشکي تهران."— Presentation transcript:

1 1 Novel Drug Delivery Systems, Preparation techniques دکتر رسول ديناروند استاد داروسازي، دانشگاه علوم پزشکي تهران

2 2 ويژگي پليمرها قابليت اختلاط با ساير مواد سادگي ساخت سازگاري زيستي ساختمان شبکه اي قابليت تنظيم تراوايي پايداري شکل پذيري

3 3 Polymeric DDS devices Matrix Reservoir

4 4 Polymeric DDS devices Particulate systems Nanoparticles Nanocapsules Nanospheres Microparticles Microspheres Microcapsules

5 5 Polymeric DDS devices Films Membranes Fibers Rods Beads Discs Cylinders

6 6 PLA Cylinder for naltrexone delivery

7 7 Device types Reservoir devices Matrix devices Particles

8 8 Fabrication techniques Membrane preparation Homogeneous membranes Solution casting Spin casting mold Melt formed method Polymerisation casting Porous membranes Phase separation method Nucleation track method Expanded film method

9 9 Membrane preparation Homogeneous membranes Solution casting Spin casting Melt forming Porous membranes Phase separation Non-solvent Evaporation Salting out Thermal gelation Watering out Physical methods Nucleation track Elongation

10 10 Reservoir systems Laminated devices Sandwich fabrication Adhesive Solvent Melt compression Cylindrical devices Melt extrusion Injection molding Spin casting Solvent casting

11 11 Monolithic devices Solvent casting Melt casting Extrusion Particle compression Polymerisation casting (hydrogels)

12 12 Microparticles Coacervation Solvent evaporation Interfacial polymerisation Spray drying

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