Cellular organelles display large differences in lipid composition 1,2. At one extreme, the endoplasmic reticulum (ER) is characterized by the abundance of lipids with monounsaturated acyl chains, the ...

The spine, or backbone, is made up of small bones (vertebrae) stacked -- along with discs -- one on top of another. A healthy spine, when viewed from the side, has gentle curves to it. The curves help ...

Wellbore curvature and torsion greatly influence the forces applied on the downhole pipe string and its consequent deformation. They serve as the bases for calculating the drag and torque of a pipe ...