| abstract |
The invention generally discloses systems and methods for mixing and delivering fluids in microfluidic systems. Fluids may contain, in some embodiments, reagents that may be involved in one or more chemical or biological reactions. Some embodiments relate to systems and methods that use one or more vent valves for controlled flow and / or mixing of fluid parts in a microfluidic system. Preferably, the control of fluid flow, such as a sequence of fluid flow and / or a change in flow velocity, can be achieved by opening and closing one or more vent valves and by applying a single source of fluid flow (for example, vacuum) operating essentially with constant pressure. This allows you to simplify the operation and use of the device by the intended user. |