Stability is a major challenge in molecular diagnostic reagent development. Many enzymes and other biological reagents are sensitive to temperature during storage and transportation. This can create challenges for manufacturers distributing diagnostic reagents across different regions. Lyophilization, also known as freeze-drying, provides an alternative approach to reagent formulation. Hyasen already positions freeze-drying for enzymes, qPCR reagents, isothermal amplification reagents and other bioactive materials.

What Is Lyophilization?

Lyophilization removes water from a frozen product under reduced pressure. With an appropriate formulation and process, freeze-drying can help maintain the functional properties of sensitive biological materials while improving their storage characteristics.

Why Use Lyophilized Molecular Diagnostic Reagents?

Potential benefits include:

  • Improved reagent stability
  • Easier transportation
  • Simplified reagent preparation
  • Reduced liquid handling
  • Better suitability for point-of-care formats
  • Convenient integration into diagnostic kits

Applications in Molecular Diagnostics

Freeze-drying can be applied to a variety of molecular diagnostic components, including:

  • qPCR and RT-qPCR Reagents

Polymerases and premixed reaction systems can be developed into freeze-dried formats.

  • LAMP and RT-LAMP Reagents

Isothermal amplification is particularly attractive for rapid and decentralized molecular testing.

  • Enzymes and Biological Raw Materials

Certain enzymes and other bioactive components may also benefit from optimized freeze-drying processes.

From Formulation to Production

Successful lyophilization requires more than simply placing a liquid reagent into a freeze dryer. Formulation composition, excipients, freezing conditions, primary drying and secondary drying all need to be optimized according to the characteristics of the target material.

Hyasen Biotech offers lyophilization-related solutions for molecular diagnostics, biotechnology and life science applications, extending the company’s current focus from raw materials toward more integrated product-development support.

Interested in developing a lyophilized molecular diagnostic reagent?
Contact Hyasen Biotech to discuss formulation, freeze-drying and OEM requirements.