Date d'enregistrement: March 29 2012

Duration: 01 hours 00 minutes 46 seconds

Zeta potential is an important parameter that relates surface chemistry and product performance and is both a function of the particle surface and the dispersant. This introduction reviews zeta potential theory, measurement and applications
Table of contents
1. Title
02:06
2. Objectives
00:36
3. Formulated Products
02:45
4. PART TWO
00:02
5. What is Zeta Potential?
00:44
6. Electrostatics
02:14
7. ZETA POTENTIAL
03:24
8. MAINTAINING COLLOIDAL STABILITY
02:11
9. Stabilization
01:37
10. ELECTROSTATICS: Origins of Surface Charge in Aqueous Media
00:22
11. Ionization
03:19
12. Polymer Adsorption
03:04
13. Predicting Dispersion Stability
00:36
14. Zeta Potential and pH
01:48
15. Zeta Potential and Conductivity
00:22
16. Non Specific Ion Adsorption
00:26
17. Specific Ion Adsorption
00:34
18. PART THREE
00:04
19. Zeta Potential - Measurements
01:45
20. Laser Doppler Electrophoresis
00:48
21. Optical Configuration
01:18
22. Electrophoretic Light Scattering (Zeta Potential)
01:32
23. Example Measurement Cells Capillary & Dip Cells
00:32
24. PART FOUR
00:07
25. Photochemistry & Photobiology of the Skin
00:49
26. Sunscreen Agents: Different Types
01:03
27. Physical (Particulate) Sunscreen Materials
01:20
28. Microfine Metal Oxide UVR Attenuation Spectra
00:30
29. Uncoated Titanium Dioxide & Zinc Oxide
00:49
30. Surface Treated Titanium Dioxide & Zinc Oxide
00:17
31. Zeta potential vs PH
00:55
32. Particle Size Growth ZnO & TiO2 (pH 7.0)
00:23
33. Coated Anionic Liposomes in Gene Delivery (Steric Stabilisation)
00:29
34. PEG-Coated Liposomes (Dispersed in Physiological Saline)
00:43
35. Cationic Liposomes in Gene Delivery
00:23
36. Cationic Liposomes in Gene Therapy
01:27
37. Conclusion
01:26
38. Website – www.malvern.com
00:52
39. Contact information
00:07
40. Contact Information
12:54
41. Zetasizer Nano instrument
03:10
42. Contact Information
00:53