1 / 21

Colloid An Introduction

Colloid An Introduction. Kausar Ahmad Kulliyyah of Pharmacy http://staff.iiu.edu.my/akausar. Contents. Colloidal System. Particle size below 1 m m High specific surface area Discrete particles dispersed in a different medium. Types of Colloids. Classification Based on Size.

jafari
Download Presentation

Colloid An Introduction

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Colloid An Introduction Kausar Ahmad Kulliyyah of Pharmacy http://staff.iiu.edu.my/akausar Physical Pharmacy 2

  2. Contents Physical Pharmacy 2

  3. Colloidal System • Particle size below 1 mm • High specific surface area • Discrete particles dispersed in a different medium Physical Pharmacy 2

  4. Types of Colloids Physical Pharmacy 2

  5. Classification Based on Size Physical Pharmacy 2

  6. Classification of dispersed systems Physical Pharmacy 2

  7. Colloidal Phenomena Physical Pharmacy 2

  8. Pharmaceutical suspensions Physical Pharmacy 2

  9. Preparing a Dispersion Physical Pharmacy 2

  10. Properties of dispersing agents END OF LECTURE 1 OF 2 Physical Pharmacy 2

  11. Pharmaceutical Emulsions Physical Pharmacy 2

  12. Emulsification emulsifier homogeniser OIL WATER Physical Pharmacy 2

  13. Emulsification Factors Physical Pharmacy 2

  14. Types of Emulsions Physical Pharmacy 2

  15. Nanoemulsion and Microemulsion Physical Pharmacy 2

  16. Methods of Preparation Physical Pharmacy 2

  17. Multiple Emulsion Physical Pharmacy 2

  18. Example of w/o/w emulsion for drug delivery by intra-muscular route Physical Pharmacy 2

  19. Multiple Emulsion for PharmaceuticalsExamples Sandostatin LARTM Depot • Novartis (hypothalamic hormones analogue) • Control of hypersecretion at the site of the tumour where hormone overproduction starts Human NutropinTM Depot • Alkermes/Genentech (human insulin suspension) • somatropin (rDNA origin) for injectable suspension • long-acting dosage form of recombinant human growth hormone (rhGH). Physical Pharmacy 2

  20. Multiple emulsion Pharmaceutical Problems Physical Pharmacy 2

  21. References PC Hiemenz & Raj Rajagopalan, Principles of Colloid and Surface Chemistry, Marcel Dekker, New York (1997) HA Lieberman, MM Rieger & GS Banker, Pharmaceutical Dosage Forms: Disperse Systems Volume 1, Marcel Dekker, New York (1996) F Nielloud & G Marti-Mestres, Pharmaceutical Emulsions and Suspensions, Marcel Dekker, New York (2000) J Kreuter (ed.), Colloidal Drug Delivery Systems, Marcel Dekker, New York (1994) Physical Pharmacy 2

More Related