Table 2 Summary of the experimental results reported in this manuscript.
From: Traceable stiffness calibration of colloidal AFM probes for biomechanical measurements
AFM probes | Reference cantilever | Colloidal probes | |||
|---|---|---|---|---|---|
SD-R30-CONT, NanoSensorsTM | HQ: XSC11, \(\upmu\)Masch (glued microsphere, R = 20 \(\upmu\)m) | CP-CONT-BSG, (R = 10 \(\upmu\)m), sQube | CP-CONT-PM, (R = 7.5 \(\upmu\)m), sQube | ||
Beam Dimensions, \(\upmu\) m | L | 450 | 150 | 450 | 450 |
\(H_t\) | 15 | 50 | 20 | 15 | |
Stiffness ± 4%, N/m | \(k_m^{L}\) | 0.394 | 5.718 | 0.366 | 0.487 |
\(k_m^{U}\) | 0.394 | 5.129 | 0.360 | 0.470 | |
\(k_c\) | 0.394 | 5.408 | 0.362 | 0.478 | |
Friction coefficient, \(\mu\) | \(\mu _{\mathrm{Si-Diamond}}\) = 0.00 | \(\mu _{\mathrm{Glass-Ruby}}\) = 0.11 | \(\mu _{\mathrm{Glass-Diamond}}\) = 0.02 | \(\mu _{\mathrm{{PMMA-Diamond}} }\) = 0.04 | |
Stiffness by TU Ilmenau, N/m | \(k_m^{EMFC}\) | 0.3930 ± 0.0046 | na | 0.3570 ± 0.0055 | na |
\(k_m^{ESFC}\) | 0.3968 ± 0.0022 | na | 0.3568 ± 0.0016 | na | |
