Particle Size Analyzer (Particle Analyzers / Particle Sizer)

Particle analyzers are used to determine the size and distribution of particles making up a material. Particle size analyzers are used in numerous fields for research and development, manufacturing and for quality control and product testing. Different technologies enable analysis across a wide range of sizes, of particles in powder, liquid, aerosol or other forms, and of materials ranging in diversity from soil, paint and cosmetics to nasal spray and proteins.

Laser diffraction particle size analyzers calculate particle size from the angle of light scattered by a stream of particles passing through a laser beam. This technique allows for continuous measurement of bulk material across a wide size range (10 nm to 3 mm). The size limits and sensitivity of a laser diffraction particle analyzer depend on the number and placement of detectors in the instrument. Dynamic light scattering particle analyzers are mainly used for analyzing particles in solution (size range: 1 nm to 6 um). Dynamic light scattering determines size from the fluctuations in scattered laser light intensity created by the particles’ Brownian motion. Induced grating particle size analyzers identify the size of even smaller particles (0.5 nm to 200 nm) in solutions by electrically aligning the particles and then measuring their diffusion.

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CompanyWaters | Wyatt TechnologyWaters | Wyatt TechnologyWaters | Wyatt Technology
ItemDynaPro Plate Reader 4 Dynamic Light Scattering InstrumentAura CL System Particle AnalyzersmicroDAWN™ Multi-Angle Light Scattering Instrument for UHP-SEC-MALS
Citations
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Catalog NumberDynaPro Plate Reader 4Aura CLmicroDAWN
Price
DescriptionThe DynaPro Plate Reader 4 is a high-throughput DLS instrument that delivers rapid measurements of particle size, concentration, aggregation, and stability of many different macromolecular or nanoparticle samples. It enables fully-automated screening of processing or formulation conditions - simply ... Read MoreAccurately identify, count, and characterize subvisible particle contaminants in minutes with Aura CL

Measuring particles in cell therapy manufacturing has always been a challenge, and the fact that the drug product itself is a particle makes it even harder.

Waters Aura CL System is the first
... Read More
The microDAWN™ MALS detector performs absolute characterization of macromolecules eluting from UHPLC (or UPLC), determining molar mass and size independently of retention time and molecular reference standards. This instrument offers superb sensitivity over a wide range of molar mass, size and... Read More
TypeDynamic Light Scattering / Static Light ScatteringInquireMALS and optional DLS
Particle Size0.5 to 1000 nmRange from >1 µm (ECD) to <5 mm (ECD)Inquire
Detector(s)Linearized avalanche photodiode for dynamic and static light scatteringInquireHigh-gain, high dynamic range, static light scattering detectors at 3 angles
Measuring TimeMeasurement Time: 5 to 60 seconds per well
830 nm
1 minute/sample (BMI read time). 3 FL channels, 30 seconds/sample (FMM read time)Depedent on LC separation
Light Source830 nm, fiber-coupled diode laserInquire660 nm laser, programmable 10% - 100% of maximum power.
ApplicationsDevelop stable biopharmaceuticals, assess viral vector titer and aggregation, optimize protein buffers for crystallization, SAXS or chromatography, formulate theranostic nanoparticles, discover small-molecule and peptide inhibitors of protein-protein interactionsInquireWith SEC/GPC: determination of distributions of absolute molar mass, size, conformation, conjugate ratio.
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