Abstract
The uses of polymer blends have stimulated research to promote a better performance of existing raw materials. The implementation of blends in the production of polymeric membranes has shown great results in regenerative medicine and consequently it has improved the application of biomaterials in this area. This study aimed to evaluate the morphology and wettability of a bacterial cellulose/corn starch polymeric membrane. In relation to biomaterials, wettability is an important property to be evaluated because it is possible to observe if the degradation is accelerated even when in contact with biological fluids. The membrane was morphologically evaluated by SEM. Results showed that there was interaction between the polymers. Additionally, by the technique of contact angle it was also possible to observe the ability to absorb water, being highly satisfactory, showing a complete wetting with a contact angle of 10.7° in the initial assessment and 6.6° in the evaluation after 5 seconds.
Highlights
Biomaterials are notably designed be used in medical devices, in direct contact with biological tissues
The blend was poured into falcon tubes, where the bacterial cellulose (BC) membrane remained submerged for seven days
It was evident that the membrane produced using the method presented in this paper showed the best results in terms of wettability when compared to the standard BC
Summary
Biomaterials are notably designed be used in medical devices, in direct contact with biological tissues. They can be defined as part of a system that deals with, improving or replace any tissue, organ or body function[1,2,3]. Biodegradability, on the other hand, is a property in which the material is degraded or solubilized being gradually replaced by the tissue that is aimed to be regenerated[4] Several natural polymers, such as starch, chitin, chitosan and cellulose, are recognized by human body due to their chemical structure these polymers are used in biomedical field[5]
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