| 00:00:00 | Measuring the Zeta Potential of Planar Surfaces |
| 00:01:35 | Measuring the Zeta Potential of Planar Surfaces |
| 00:02:24 | Contents |
| 00:03:22 | Contents |
| 00:03:32 | Origins of Surface Charge in Aqueous Media |
| 00:03:50 | Origins of Surface Charge in Aqueous Media |
| 00:04:22 | Origins of Surface Charge in Aqueous Media |
| 00:04:55 | Origins of Surface Charge in Aqueous Media |
| 00:05:28 | Zeta Potential |
| 00:05:34 | Zeta Potential |
| 00:05:50 | Zeta Potential |
| 00:07:11 | Surface Zeta Potential |
| 00:08:40 | Surface Zeta Potential: Applications |
| 00:10:38 | Contents |
| 00:10:57 | Surface Zeta Potential Cell: Components |
| 00:11:52 | Measurement Principle |
| 00:15:32 | Measurement Strategy |
| 00:17:13 | Measurement Strategy |
| 00:19:03 | Sample Preparation |
| 00:20:26 | Loading the Sample Holder onto the Cell |
| 00:20:40 | Coarse Alignment |
| 00:21:28 | Fine Alignment |
| 00:22:00 | Making the Measurement |
| 00:22:56 | Making the Measurement |
| 00:23:28 | Results |
| 00:24:20 | Result Quality |
| 00:24:45 | Contents |
| 00:25:06 | Reproducibility |
| 00:25:49 | Reproducibility |
| 00:26:31 | Reproducibility: Comparison with Literature Values |
| 00:27:59 | Characterisation: Accuracy (1) Silica |
| 00:28:35 | Characterisation: Accuracy (1) Silica |
| 00:29:40 | Characterisation: Accuracy (1) Silica |
| 00:30:15 | Characterisation: Accuracy (2) PTFE |
| 00:30:29 | Characterisation: Accuracy (2) PTFE |
| 00:30:36 | Characterisation: Accuracy (2) PTFE |
| 00:30:59 | Influence of Ionic Strength |
| 00:31:35 | Influence of Ionic Strength |
| 00:32:40 | Influence of Ionic Strength |
| 00:33:21 | Influence of Temperature |
| 00:34:00 | Influence of Temperature |
| 00:35:00 | Influence of Temperature |
| 00:35:20 | Influence of Temperature |
| 00:36:00 | Conclusions |
| 00:37:03 | Further Information |
| 00:41:10 | Characterisation: Accuracy (1) Silica |
| 00:43:08 | Contact Information |
The Zetasizer Nano is capable of measuring the zeta potential of flat surfaces, which can be used to study the binding of molecules to the surface. The technique, experimental methodology and experimental examples are presented