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Traditional methods of assessment of the physical and structural properties of a freeze-dried cake are limited to subjective, qualitative tests that do not necessarily provide evidence of robustness to transport and handling.

Our solution

Biopharma has developed a quantitative method for determining the robustness (Young’s Modulus) and strength (max stress at failure) of lyophilized cakes. The MicroPress uses a linear actuator to gently compress the cake while a load cell accurately measures the force applied. The resulting stress-strain profile captured by the integrated software is then exportable to Microsoft Excel for further interpretation and analysis.

By performing this analysis, the user can determine how the cake will behave during storage and shipment.

micropress 1MB

Cake strength can be affected by:

Key benefits of using MicroPress

  • Determine key parameters for cake quality

  • Easily measure physical properties

  • In situ analysis – no sample prep required

  • Shelf mapping

  • Ensure product quality during storage

  • Batch QA/QC

  • Quick analysis time (less than 1 minute)

  • Identify vials with microcollapse

  • Quickly compare multiple vials

  • Determine cakes with a weaker structure which may not stand up to shipping

  • Ensure product quality to the point of delivery

  • Batch reproducibility

 

A graph of Dextran showing elastic properties, compression and decompression.

To discuss your requirements, please contact us directly:

Read below application notes and find out how MicroPress can be used with your products.