. Author manuscript; available in PMC: 2014 Nov 26.

Published in final edited form as: Langmuir. 2013 Nov 15;29(47):10.1021/la4039667. doi: 10.1021/la4039667

Table 2.

Statistical data of functionalized AFM tips interacting with varied surfaces based on force-distance curves

On the tip	On the substrate	Unbinding events (%)^*	Unbinding force (pN)
TBA	thrombin	26.5	80.2±34.5
TBA (blocked)	thrombin	7.0	15.6±12.9
TBA	BSA	6.1	14.4±9.4
TBA	bare mica	3.0	6.9±3.8
RGD	integrin	29.4	48.0±27.8
RGD (blocked)	integrin	6.7	11.1±10.7
RGD	BSA	5.6	15.3±14.4
RGD	bare mica	2.5	6.7±4.0

The percentage of ruptures taking place around the specific unbinding distance over total collected force curves.