Valpha ® virus removal filters use membrane filtration technology to remove virus particles based on size exclusion. It uses an innovative high-performance polymer membrane to trap the virus on the membrane surface and in the membrane pores. Key performance parameters are usually Logarithmic reduction value, flux, and load. These parameters are infiuenced by many interacting factors, such as virus loading, protein concentration, impurity concentration, pressure, process flow rate, ion strength, and process interruption. Therefore, it is very important to select and validate the appropriate virus removal filter under the established process conditions.
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