OWRK is one of the most used surface free energy theories. It divides the interfacial interactions into two parts; polar and dispersive.
The D-factor provides information that is complementary to the frequency response. Read about how it can be understood and what information it reveals.
Interfacial rheology studies the flow properties of the interfacial layer that is formed between two immiscible fluids, such as oil and water.
The good lubricity is needed as the poorly lubricated catheters can cause trauma as a result of high frictional forces between the biomaterial and tissue.
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