... shape and cell orientation, three experiments were conducted to achieve a minimum of 30 cells per condition [e.g. time point, and static or dynamic conditions (circular or elliptical microposts)]. Histograms of stress fiber orientation were averaged and fitted with a bi-modal periodic normal probability...

... of Biologists Limited 2004 2004 Traction-force imaging DC electric fields Cell orientation Osteoblasts Alignment due to direct-current (DC) electric field exposure has been observed in a variety of cells ( Cooper and Keller, 1984 ; Onuma and Hui, 1988 ; Harris et al., 1990 ; Nuccitelli...

... assay neutrophil chemotaxis fibroblast chemotaxis cell orientation diffusion theory chemotactic gradient formation and decay Helber bacteria counting chamber FMLP PDGF The Boyden chamber has become established as the routine method for studying chemotaxis in leucocytes ( Boyden, 1962...

... surface of paraxial elongation against log 2 (repeat) and log 2 (width). Sample means are shown (•), the heavy vertical bars show the residual errors of the fit. Fig. 11 shows a third-order surface fitted to the concentration parameter, kappa, of the cell orientations. If the response of cells...