#  A covalently tethered 

 



 ![Fig. 8: A covalently tethered](/sites/g/files/omnuum6296/files/aizenberg/files/blood.png)

 

Fig. 8: A covalently tethered, flexible molecular layer of perfluorocarbon holds a thin liquid film of medical-grade perfluorocarbon on the surface. The surface is stable under blood flow and can be applied to the inside of medical tubing and catheters.