Fecha registrada: February 16 2006

Duration: 01 hours 13 minutes 46 seconds

The Zetasizer Nano software integrates a Debye plot to simplify the measurement of molecular weight. However the biggest source of error is always in sample preparation and handling. This presentation provides training for these measurements
Table of contents
1. Mastering Molecular Weight Measurements With The Zetasizer Nano System
00:55
2. Malvern Instruments Mastering Molecular Weight Measurements With The Zetasizer Nano System From Lab To Line
01:36
3. Seminar Outline
01:42
4. Zetasizer Nano System
01:13
5. Zetasizer Nano Technologies
00:53
6. Light Scattering Return
01:03
7. Common Light Scattering Applications
01:41
8. Light – Matter Interactions
01:57
9. Intensity vs. Time
00:52
10. Average Scattering Intensity
01:40
11. Angle Dependent Scattering
00:59
12. Classical MW Measurements
00:48
13. Debye Limit
00:47
14. Summary & Dilemma
00:31
15. %Error In The Molecular Weight
00:47
16. Rg Dependence
00:50
17. What is Rg?
00:43
18. Lysozyme - Comparison Of Radii
00:59
19. DH Dependence
00:09
20. What is Rg?
00:23
21. DH Dependence
01:27
22. System Comparison
01:04
23. Debye Plot – Globular Proteins
01:11
24. Debye Plot - Random Coil Polymers
00:35
25. What Is MW?
01:02
26. The 2nd Virial Coefficient (A2)
01:20
27. Second Virial Coefficient (A2)?
02:27
28. Using A2 As A Stability Predictor
01:25
29. A2 and Crystallization Success Rate
01:27
30. A2 Crystallization Window
01:07
31. Extending The Rayleigh Limit?
02:58
32. Experimental Procedures
02:25
33. Is My Sample Suitable For SLS?
02:17
34. Is My Analyte Suitable For SLS?
01:05
35. Solvents, Dispersants, & Diluents
01:06
36. What Is dñ/dC?
02:23
37. How Important Is dñ/dC?
01:18
38. How Robust Is dñ/dC?
03:27
39. Tips – Solvent & Reference
04:44
40. What About Sample Concentration?
02:05
41. Can I Estimate Concentration?
02:21
42. Tips – Sample Prep & Measurement
01:56
43. What About Dust?
01:15
44. How Do I Recognize Good Data?
02:13
45. Data Quality Limits
02:04
46. Debye Plot Calculator
02:08
47. Do I Have To Use Toluene?
00:37
48. Zetasizer MW Specifications
01:23
49. Thank You
01:24
50. Contact information
01:04