Light Scattering Methods (DLS & ELS): Separating Fact from Fiction

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00:00:00 Light Scattering Methods: Separating Fact from Fiction
00:03:14 Light Scattering Methods: Separating Fact from Fiction
00:04:10 True or False?: “Photon Correlation Spectroscopy is different than dynamic light scattering or quasi-elastic light scattering.”
00:04:32 True or False?: “Photon Correlation Spectroscopy is different than dynamic light scattering or quasi-elastic light scattering.”
00:05:30 True or False?
00:05:37 True or False?
00:06:55 True or False?: “Molecular weight measurements via static light scattering require multiple angles.”
00:07:07 True or False?: “Molecular weight measurements via static light scattering require multiple angles.”
00:09:43 True or False?: “Static light scattering provides better resolution than Dynamic Light Scattering when analyzing different oligomeric states “
00:09:57 True or False?: “Static light scattering provides better resolution than Dynamic Light Scattering when analyzing different oligomeric states “
00:11:14 True or False?: “Electrophoretic light scattering (ELS) does not actually directly measure the surface charge of the dispersed particle or molecule. “
00:11:27 True or False?: “Electrophoretic light scattering (ELS) does not actually directly measure the surface charge of the dispersed particle or molecule. “
00:12:56 True or False?: “Dynamic Light scattering analysis requires dilute samples such that they are optically clear to the naked eye in order to successfully make a measurement.“
00:13:10 True or False?: “Dynamic Light scattering analysis requires dilute samples such that they are optically clear to the naked eye in order to successfully make a measurement.“
00:15:57 True or False?: “Dynamic light scattering is not suitable for samples that contain aggregated or agglomerated materials.“
00:16:08 True or False?: “Dynamic light scattering is not suitable for samples that contain aggregated or agglomerated materials.“
00:18:01 True or False?: “When measuring size using dynamic light scattering I won’t necessarily get the same answer from two instruments if they are using different scattering angles. “
00:18:15 True or False?: “When measuring size using dynamic light scattering I won’t necessarily get the same answer from two instruments if they are using different scattering angles. “
00:21:24 True or False?: “Most commercial electrophoretic light scattering or zeta potential measurements “cook” biological samples because of the voltage applied to induce mobility? “
00:21:38 True or False?: “Most commercial electrophoretic light scattering or zeta potential measurements “cook” biological samples because of the voltage applied to induce mobility? “
00:23:50 Fact or Fiction?: “The accuracy of a dynamic light scattering measurement depends upon how the instrument was calibrated. “
00:24:07 Fact or Fiction?: “The accuracy of a dynamic light scattering measurement depends upon how the instrument was calibrated. “
00:24:18 Contact Information
This webinar discusses some basic fundamentals of light scattering science and also common misconceptions about light scattering methods