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Figure 5 | Nanoscale Research Letters

Figure 5

From: bOptimizing atomic force microscopy for characterization of diamond-protein interfaces

Figure 5

Influence of tip changes on AFM topography and phase. AFM image of FBS layer on MCD surface in air observed by Multi75Al (Budget Sensors) cantilever: (a) topography, (b) phase image. (c) The raw phase data showing that contrast between FBS and diamond changed sign during the measurement. (d) The model represents AFM cantilever and protein layer with square opening on diamond surface after the tip has captured a protein from FBS layer. The slow scan direction was from bottom to top of the images.

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