Journal
MOLECULAR SIMULATION
Volume 29, Issue 10-11, Pages 711-716Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/0892702031000103266
Keywords
NaHA; two dimensional nanostructure; adhesive force; friction force
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The layer-by-layer interaction between sodium hyaluronate (NaHA) and bovine serum albumin (BSA) were studied by a quartz crystal microbalance QCM) method. Their surface structures, adhesive force F-ad and frictional behavior were investigated using an atomic force microscope (AFM). The adsorptions of NaHA on the BSA monolayer were found to be the Langmuir type. The surface structures of NaHA adsorbed on the BSA monolayer were found to form hexagonal-like networks and the mesh size decreased with increasing molecular weight M, The Fad between the AFM tip and the surfaces of the saturated NaHA layers increased with increasing value of M, However, the frictional coefficient of saturated NaHA layer was found to decrease from 0.933 to 0.191.
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