Sysmex FPIA-3000 Measures Sub-Visible Particulates in Biotherapeutics


Malvern, UK: Specialists at Malvern Instruments have demonstrated the application of dynamic particle image analysis to the measurement of sub-visible particulates in biological therapeutics, using the Sysmex FPIA-3000 particle characterization system. This is an important advance since protein suspensions tend to contain sub-visible particulates that may pose health risks or affect the performance of biological therapeutics. At sizes below 10 microns, these particulates have proved difficult to characterize fully using traditional analytical techniques. This has prompted investigations into new ways of detecting the presence, measuring the size and also characterizing the shape and intensity (transparency) of these particulates to ensure product safety and performance. An application note on the subject; "Measuring Sub-Visible Particulates in Biological Therapeutics using the Sysmex FPIA-3000" can be downloaded from the Malvern website at: www.malvern.com/fpiaproteins

The Sysmex FPIA-3000 from Malvern Instruments is a dynamic particle image analysis system that incorporates optical imaging of a sample once it has been aligned by a unique sheath-flow cell. Sample alignment ensures that every single particle, from 0.8 µm to 300 µm, has its largest surface area imaged. Obtaining the maximum dimension is critical to investigations focused on safety. However, for development studies requiring further information, the system also delivers high quality, high resolution images enhanced by contrast control that enables the distinction of primary particles, foreign matter and agglomerates. This type of additional detail can provide beneficial control over the final product.

Further information on method selection techniques are outlined in the new application note and both this, and additional details on the Sysmex FPIA-3000 particle characterization instrument can be found at: www.malvern.com/fpiaproteins

About Malvern Instruments

Malvern Instruments provides a range of complementary materials characterization tools that deliver inter-related measurements reflecting the complexities of particulates and disperse systems, nanomaterials and macromolecules. Analytical instruments from Malvern are used in the characterization of a wide variety of materials, from industrial bulk powders to nanomaterials and delicate macromolecules. A broad portfolio of innovative technologies is combined with intelligent, user-friendly software. These systems deliver industrially relevant data enabling our customers to make the connection between micro (such as particle size) and macro (bulk) material properties (rheology) and chemical composition (chemical imaging).

Particle size, particle shape, zeta potential, molecular weight, chemical composition and rheological properties measurements are now joined by advanced chromatography solutions (GPC/SEC), extending Malvern's technologies for protein molecular weight, size and aggregation measurements, and synthetic polymer molecular weight and distribution. The company's laboratory, at-line, on-line and in-line solutions are proven in sectors as diverse as cement production and pharmaceutical drug discovery.

Headquartered in Malvern, UK, Malvern Instruments has subsidiary organizations in all major European markets, North America, China, Korea and Japan, a joint venture in India, a global distributor network and applications laboratories around the world. www.malvern.com

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