Tag Archives: minimum concentration

Why don’t they float to the top? We all know what happens to bubbles in water: They float to the top and disappear, eventually. In a bubbly foam bath, the bubbles are stabilized with surfactants and other ingredients. This extends…READ MORE >

How can I use DLS for sample xyz? What is the best sample concentration / refractive index for reliable DLS size measurements? Has it been done before? In Dynamic Light Scattering (DLS) we analyze intensity fluctuations in the sample to…READ MORE >

How to measure it with DLS? What virus concentration is needed for reliable DLS size measurements?   What is a virus? In cell biology, a virus is a self assembly of organic molecules (mainly proteins) in the size range 20…READ MORE >

How do I know the minimum concentration needed for measuring the size of my protein? We are asked this question all the time when we are demonstrating the Zetasizer.  Happily, if the Zetasizer software is installed (and it can be…READ MORE >