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Microsphere Stability Testing

Stability Testing

Stability analysis of microspheres is of great significance and value for their use as drug carriers. The stability analysis can be used to better understand the preservation pathway, preservation environment and shelf life of microspheres. It can also be used to analyze the effect of solvent, pH, and temperature on the microspheres when loaded with drugs. After the stability analysis, CD Formulation will develop a customized product solution for your project, helping you to extend the storage time of the microspheres and better adapt to the normal environment.

Microsphere Stability Testing

CD Formulation provides you with stability testing of the microspheres, including whether the microspheres change significantly over time under different types of solvents. As well as providing you with long time microsphere acceleration experiments to analyze the state of the microspheres after up to several months. We provide an efficient and complete service that will bring long-term benefits to your project.

Organic solvent resistance test

Prepared microspheres are placed in petri dishes, soaked with organic solvents, and after a certain period of time, the microspheres are examined for morphology, as well as performance analysis. The shape and size of the microspheres are compared to the original microspheres and analyzed for changes in shape, size, and ability to release drugs.

Acid resistance test

The prepared microspheres are placed in a Petri dish, soaked in acidic solvent, and after a certain period of time, the microspheres are examined for morphology and performance analysis.

Alkaline resistance test

Similar to the organic solvent and acid resistance tests, the soaking solution is changed to alkaline, and after a certain period of time, the morphology and properties of the microspheres are analyzed.

Accelerated experiment test

In addition to the addition of different substances to the microspheres, stability testing also includes accelerated experimental testing. The specific operations include: testing the microsphere product for a longer period of time, generally setting the microsphere to be kept at a temperature higher than room temperature and humidity higher than normal air humidity. The microspheres are observed over a long period of time to analyze the changes that occur over a period of up to several months, and thus determine their stability and thus better set the shelf life.

Stability analysis of microspheres

The stability analysis of microspheres is mainly done by observing the surface and cross-sectional morphology of microspheres through SEM, observing the structure of each layer of microspheres and whether there is obvious delamination. It is also possible to analyze whether the microspheres have good structural stability as drug carriers by loading drug molecules on the microspheres and testing the solvent.

In fact, the stability testing and analysis we provide does not only include microspheres, but microneedles as well. Based on the different types of microneedles, the corresponding experimental design will be different, but the service provided is high quality and comprehensive, and will give you a full range of stability testing and analysis for custom-made microneedles, helping you to better develop the storage environment and time before product packaging. We are sure you will be satisfied with our services.

If you are interested in the type of services we offer, or have any comments you would like to provide to us, you are welcome to contact us at any time, either by phone or email.

Please note: Our products and services are not intended to be used directly in diagnostic or therapeutic procedures.
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