Chinese Lab-on-chip in Space Life Science
First of all, the current development of microfluidic actuated and controlled technologies is summarized. In the microfluidic chip, micropumps which plays the role of transmission and distribution of fluid flow are mainly divided into two categories, the mechanical micropump (acting on some structure of the chip) and the non-mechanical micropumps (directly driving the fluid). Mechanical micropumps transfer and control microfluids by the mechanical moving parts, representatives of which are diaphragm micropump, piston micropump, planetary gear micropump, pneumatic micropump, electrical-related micropump, piezoelectric micropump, and optically driven micropump, simple in design and operation but limited by film deformation and brittleness, complex fabrication process, high cost, poor reliability, and difficult integration. Non-mechanical micropumps rely on various physical or chemical effects to convert some non-mechanical energy into kinetic energy to drive the fluid, representatives of which are electroosmotic micropump, magnetohydrodynamic micropump, bubble-type micropump, capillary…
