Static light scattering (SLS) is a technique used to study the size and spatial distribution of particles in a solution, including polymers, colloids, proteins, and nanoparticles. It provides information about the molecular weight, size distribution, and conformation of these particles without the need for any labeling or tagging.
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Measurement of time-averaged scattering intensity as a function of angle and concentration. For suitable dilute polymer solutions its small-wave-number behavior gives a radius of gyration; intensity weighting and interparticle correlations require attention.