This defect has a typical radiographic appearance on barium studies of a large intragastric mass with evidence of a fold pattern within it that may or may not have the typical “coil spring” appearance. There is usually a significant degree of obstruction to the distal flow of barium. Gastric...
Right-hand versus left-hand winding:Springs are chiral, that is, wound or "laid" in either a left- or right-hand orientation. This is a critical property of their design and specification; you cannot substitute a left for a right or vice versa. If you were to grasp the spring in your...
(e) Force can applied by moving virtual springs with spring constant k away from one another at constant velocity v, by a constant force, or by a constantly increasing force, that is, a force-ramp protocol. While constant-velocity pulling gives forces over time or extension, the readout ...
[55] MT were used to probe the mechanical At forces up to 4 pN, the 30-nm fiber stretches like a properties of 167 and 197 bp repeat length Hookian spring, resulting in a three-fold extension. arrays of 25 nucleosomes (Figure 2c). Together with a high nucleosome-nucleosome ...
However, in the kar2-1 strain both torsinA and torsinAΔE were significantly destabilized (55% versus 81% for torsinA and 59% versus 84% for torsinAΔE remained after 90 min in the mutant strain versus the wild-type strain, respectively) (Fig. 3A). The data suggest that Kar2/BiP ...
Figure 3. Force/extension curves and their interpretation (see experimental setup Figure 2a). (a) Force versus length response of a single chromatin fiber handled by an OT. The fiber was directly assembled in the flow cell of the instrument from a single λ DNA molecule and Xenopus cell-free...