![]() Way too many steps, Malvern should find a better solution. Data transfer to a server or between two PCs is not user-friendly at all. Maybe it would be an advantage to be able to split graphs and tables into two different monitors for a better overview and quicker data analysis. The selection of the data display parameters and measurement conditions are not well accessible/presentable. For example, one can only save ONE custom configuration of data displays, but each user has its own preferences and needs. The "Measure" menu is easy to use, but the data analysis is not well outlined. The system is robust and little instructions are needed for newcomers to DLS/ZP. ![]() We are also using the Zeta Potential technique to measure surface charges, mainly for nanoparticles and surface-modified nanoparticles. ![]() The Zetasizer Nano ZS90 is the perfect lower cost solution when the ultimate in sizing sensitivity is not necessary, or where identical results to a legacy system with 90 degree scattering optics is required." The Zetasizer Ultra is a very useful instrument for our R&D activities as we can measure sizes of antibodies and other proteins, assess their aggregation status, and determine also approximate concentrations using the 3 angle measurement capabilities. The ZSP also incorporates a zeta potential analyzer that uses electrophoretic light scattering for particles, molecules and surfaces, and a molecular weight analyzer using static light scattering. The Zetasizer Nano ZS is a high performance two angle particle and molecular size analyzer for the enhanced detection of aggregates and measurement of small or dilute samples, and samples at very low or high concentration using dynamic light scattering with ‘NIBS’ optics. The Zetasizer Nano Z is the perfect system for measuring zeta potential and electrophoretic mobility of colloids and nanoparticles, when the measurement of size or molecular weight is not required. The Zetasizer Nano S90 is the perfect lower cost solution when the ultimate in sizing sensitivity is not necessary, or where identical results to a legacy system with 90 degree scattering optics are required. It has the same sizing capability as the top of the range ![]() The Zetasizer Nano S is the system of choice where the highest sensitivity and widest size range is required. ![]()
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