Dynamic light scattering particle size analyzers are used to measure the size of very small particles (0.6 nm to 6 um) in solution. This class of particle size analyzer interprets particles’ sizes from the fluctuations in scattered laser light created by the particles’ Brownian motion. Dynamic light scattering analysis is used in medical, biological research and materials science applications, and is also known as photon correlation spectroscopy or quasi-electron light scattering.
Although requiring suspension in a solution, particle size analysis by dynamic light scattering offers the advantage of measuring particles across a wide range of densities, from parts-per-million up to 40% of solution. Other advantages include size analysis of particles in their native environment and micro-liter scale minimum sample sizes. In addition, dynamic light scattering particle size analyzers may also provide information on particle shape and require less user training. Analysis times typically vary from 30 seconds to 2 minutes per sample.
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| Company | Malvern Panalytical | Malvern Panalytical |
| Item | Zetasizer Pro Particle Size Analyzer | Zetasizer Ultra Particle Size Analyzer |
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| Catalog Number | Zetasizer Pro | Zetasizer Ultra |
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| Description | The Zetasizer Pro is a robust and versatile system for the measurement of particle and molecular size and electrophoretic mobility and zeta potential of nanoparticles. It enables size measurements to be performed up to three times quicker, compared to previous models, accelerating sample throughput The Zetasizer Pro is a robust and versatile system for the measurement of particle and molecular size and electrophoretic mobility and zeta potential of nanoparticles. It enables size measurements to be performed up to three times quicker, compared to previous models, accelerating sample throughput and freeing up operator and system time for other tasks.
Features:
- NIBS optics for versatile, high sensitivity, particle and molecular size measurements
- Dynamic Light Scattering (DLS) measures particle and molecule size, from 0.6 nm – 10 µm
- M3-PALS with Constant Current Mode for zeta potential and electrophoretic mobility measurements
- ZS Xplorer software suite for simple and flexible method set-up and data analysis
- Adaptive Correlation for faster, more reproducible sizing measurements with less sample preparation
- Deep Learning empowered data quality system for assessment of any size data quality issues, with clear advice on how to improve results
- Optical filter wheel with fluorescence filter to allow measurement of fluorescent samples without impairing overall system sensitivity. Also includes polarization filters for DDLS measurements.
... Read More | The new Zetasizer Ultra is our most advanced system for the measurement of particle and molecular size, particle charge and particle concentration, and represents the most intelligent and flexible instrument in the Zetasizer range.
Features:
- Multi-Angle Dynamic Light Scattering (MADLS) scheme for
The new Zetasizer Ultra is our most advanced system for the measurement of particle and molecular size, particle charge and particle concentration, and represents the most intelligent and flexible instrument in the Zetasizer range.
Features:
- Multi-Angle Dynamic Light Scattering (MADLS) scheme for absolute confidence in particle and molecular size distribution analysis
- NIBS optics for versatile, high sensitivity, particle and molecular size measurements
- Simple, calibration-free particle concentration measurements
- Disposable capillary sizing cell provides the ultimate in non-destructive, low volume (down to 3 µL) analysis, with an upper size range that extends to 10 µm
- M3-PALS with Constant Current Mode for zeta potential and electrophoretic mobility measurements
- ZS Xplorer software suite for simple and flexible method set-up and data analysis
- Adaptive Correlation for faster, more reproducible sizing measurements with less sample preparation
- Deep Learning empowered data quality system for assessment of any size data quality issues, with clear advice on how to improve results
- Optical filter wheel with fluorescence filter to allow measurement of fluorescent samples without impairing overall system sensitivity. Also includes polarization filters for DDLS measurements.
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| Type | Particle size and zeta potential analyzer | Multi-Angle Dynamic Light Scattering (MADLS) with NIBS optics |
| Particle Size | 0.3 nm to 10 µm (diameter)2 | 0.3 nm to 10 µm (diameter)2 |
| Detector(s) | Avalanche Photodiode | Inquire |
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