Demonstration - Continuous hydrodynamic particle size from the nano to the micro-scale : Capillary dynamic light scattering

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00:00:00 Welcome
00:00:14 Introduction
00:00:57 Capillary dynamic light scatteringContinuous hydrodynamic particle size from angstroms to microns
00:01:23 Outline
00:01:55 An overview of DLS
00:03:08 An overview of DLS
00:03:39 DLS: Principle of operation
00:05:04 DLS: Principle of operation
00:06:22 DLS: Principle of operation
00:07:03 Untitled
00:07:08 Capillary DLS: Mode of operation
00:07:23 Capillary DLS: Mode of operation
00:08:02 Capillary DLS: Mode of operation
00:10:00 Capillary DLS: Mode of operation
00:10:31 What can Capillary DLS do for me?
00:11:13 What can Capillary DLS do for me?
00:12:51 What can Capillary DLS do for me?
00:14:01 What can Capillary DLS do for me?
00:14:37 What can Capillary DLS do for me?
00:15:24 What can Capillary DLS do for me?
00:15:59 What does Capillary DLS give us?
00:17:19 Summary
00:18:03 Further information
00:18:14 Thank you for your attentionjason.corbett@malvernpanalytical.com

Dynamic light scattering (DLS) is a ubiquitous tool for the characterization of hydrodynamic particle size in dispersion, relying on diffusive-only sample motion and exquisite thermal control of the sample viscosity. We demonstrate that the commonly assumed upper size limit for DLS due to gravitational settling should be significantly higher than previous experiments indicate and it is by the suppression of sample convective motion in a simple, disposable, optical quality, glass capillary that greater than an order of magnitude increase in the upper particle size range, well into the micron-scale, is enabled, in a two order of magnitude reduction in sample volume over a standard 10.0 mm cuvette, without altering the dispersion.

Speakers

Jason Corbet - Senior Development Scientist - NPI Engineering

More information

- Who should attend?
Anyone interested in hydrodynamic particle size of dispersion