- Docente: Vittorio Zecchi
- Credits: 8
- SSD: CHIM/09
- Language: Italian
- Moduli: Vittorio Zecchi (Modulo 1) Barbara Luppi (Modulo 2)
- Teaching Mode: Traditional lectures (Modulo 1) Traditional lectures (Modulo 2)
- Campus: Bologna
- Corso: Long cycle 2nd degree programme in Chemistry and Pharmaceutical Technologies (cod. 0038)
Course contents
APPLIED PHARMACEUTICAL CHEMISTRY (Prof. VIttorio Zecchi)
Bioavailability and Bioequivalence
The concept of bioavailability. The concept of biopharmaceutics. Plasma concentration-time curves. Cumulative urinary drug excretion curves. Absolute bioavalability. Relative bioavailabily. Bioequivalence. One compartment open model of drug disposition in the body. Important factors influencing steady-state plasma concentration of a drug. Mantainence of therapeutic drug peroral dosage forms. Repeat action versus sustained action drug therapy.
Phisico-chemical properties of drugs
Theory of mass transfert. Fick's First and Second Lows. Passive diffusion through a membrane. Diffusion coefficient. Partition coefficient. Stagnant diffusion layer. Dissolution and Noyes-Whitney Low. Solubility. Thermodinamic parameters. Enhancing solubility strategies. Micellation. Salification. Complexation. Cyclodextrins and phase-solubility diagrams.
Controlled release kinetics
Controlled release kinetics. A) Diffusion controlled devices. I) Monolithic devices. II) Reservoir devices. B) Chemically controlled devices. C) Solvent controlled devices: I) Osmotically controlled devices. II) Swelling controlled devices.
Pulsatile systems and intelligent systems
DRUG CARRYING (Dr. Barbara Luppi)
Polymeric materials and pharmaceutical formulation
General properties. Amorfus phase and cristallinity. Polymerization methods: polyaddition and polycondensation. Water-soluble polymers. Water-insoluble polimers. Biocompatible polymers. Biodegradable polymers. Polymers erosion mechanisms. Polymers and their pharmaceutical use (polylactic acids and copolymers, polycaprolactons, polypeptides, …)
Drug targeting and site-specific delivery
Main mechanisms of spatial controlled drug release: drug targeting and site-specific delivery. Passive targeting. Phisical targeting. Active targeting. Pharmaceutical carries: micro and nano particulate carriers (spheres, capsules, liposomes, niosomes, polymeric micelles, solid lipid particles), macromolecular carriers, cellular carriers and viral carriers. Alternative routes for administration of drugs with critical biopharmaceutical properties: oral route, transcutaneous route, nasal route and pulmonary route.
Assessment methods
Oral examination.
Office hours
See the website of Vittorio Zecchi
See the website of Barbara Luppi