Fluid shear is the mechanical force exerted by the movement of fluids over cell surfaces and has been found to play an important role in cellular differentiation, development and function.
To convince the cells to become insulin producers, they exposed them to chemicals that stimulate differentiation at specific times over the course of about three weeks.
为了使这些细胞变成胰岛分泌细胞，他们将这些细胞暴露与化学试剂通过三周的特定过程诱导分化。
3
There are cost focus seekers, who aim to obtain a local cost advantage over competition and differentiation focuser, who are looking for a local difference. [3]