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Figure 4 | Nanoscale Research Letters

Figure 4

From: Direct observation of CD4 T cell morphologies and their cross-sectional traction force derivation on quartz nanopillar substrates using focused ion beam technique

Figure 4

SEM images of the CD4 T cell and QNPA. (a, b, c) SEM images (top and tilt views) of the CT4 T cell on the QNPA substrates before and after FIB ion milling, respectively. (d, e) Cross-sectional SEM images of QNPA without and with surface-bound T cell, respectively. (f) Overlapped images of QNPA from only QNPA and from QNPA covered by the cell. All cells were highlighted in blue, while the Pt was in purple, for clear differentiation.

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