Osmolality in Biopharmaceutical Manufacturing | AI

Osmolality In Biopharm

Biopharmaceutical manufacturing involves many complex operational steps. Ensuring that the manufacturing process consistently produces a biopharmaceutical product of predetermined yield, purity, and quality is of utmost importance. To ensure a quality manufacturing process is achieved the use of process analytical technology (PAT) should be used. Osmolality as a PAT can be used to monitor raw material components, process intermediates, and finished products.

Solute concentration in process fluids is an important parameter required in bioprocessing to achieve consistent results in process fluids. Osmolality is a measure of concentration and is considered a critical quality attribute and critical process parameter in bioprocessing.

  • Guarantee quality, potency and consistency during media development and raw material management.
  • Monitor cell culture and fermentation to ensure optimal cell health, and consequently, high product quality and yield.

Ensure precise buffer preparation and prove complete buffer exchange to improve purification efficiency.

Safeguard your biologics as it passes through storage, reconstitution and injection. Ensure that the final product meets your quality standards and release criteria.

Downstream Application Note

When the ability to improve or innovate a process is available it can bring peace of mind to the person who uses it daily. Implementing osmolality testing alongside routine pH and conductivity testing is an effective quality measurement for your manufacturing process.

Abstract: Biomanufacturing requires a complex and reproducible process to produce an effective biologic. The yield and quality of a biologic are highly dependent on the optimization of the downstream process. Buffers are used to maintain purification conditions and monitoring their concentrations provides assurance that they were properly prepared. The incorporation of process parameters, such as pH and conductivity, helps to maintain control of the process and prevent issues that could compromise the biologic. However, pH and conductivity measurements can be affected by environmental conditions and are not appropriate concentration measurements for all buffers (e.g. nonionic or weak electrolytes). This study investigated how osmolality compares to pH and conductivity across a wide range of concentrations of common downstream buffers. The buffer solutions were prepared gravimetrically and tested using a freezing point osmometer, pH probe and conductivity probe. The generated curves showed the distinct nature of each measurement. The study showed that osmolality is a reliable and sensitive measure of solute concentration compared to pH and conductivity. Together these process controls will help ensure optimal product quality and yield.

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