Abstract: A microfluidic chip on a transparent substrate includes microchannels, and an electric layer having a heater and a sensor layout on the microchannel nearby and aside for supplying heat source and sensing the temperature individually. The sensor is close to the microchannel for controlling the temperature accurately. Hence, the microfluidic chip can measure the temperature precisely without using an isolation layer and lower energy consumptions and reduce production costs.

Abstract: A magnetic bead-based sample separating device is provided. The device includes a first reactor, a second reactor, a third reactor, a first micro-channel and a second micro-channel. The first reactor receives a mixing solution including several magnetic beads and a sample extraction. The sample extraction is bound with the magnetic beads. The second reactor receives a washing buffer for washing the magnetic beads with sample extraction. The third reactor receives an elution buffer for separating the washing buffer from the magnetic beads. The first micro-channel is for connecting the first reactor and the second reactor and moving the magnetic beads to the second reactor from the first reactor. The second micro-channel is for connecting the second reactor and the third reactor and moving the magnetic beads to the third reactor from the second reactor.

Abstract: A microfluidic dielecttrophoresis separating device is provided. The microfluidic dielectrophoresis separating device includes a primary passage, at least a secondary passage and at least an electrode assembly. The primary passage has a primary flow containing a plurality of particulates flowing therein. The secondary passage has an input path and an output path and is connected with the primary passage. The electrode assembly generates a dielectrophoresis force to drive a specific one of the particulates into the output path.

Abstract: The present invention provides a method for microelectronic positioning bioparticles, which utilizes dielectric and non-contact electrical force of cell themselves associated with multi-phase electrical signals to attain uniformity of distribution of the bioparticles and positioning thereof within micro-areas in a cell culture system. The obstacle of system geometrical structure is eliminated so as to simplify the system layout and programmably change cells' positions. The present method is suitable for treating cell array in a large quantity. The present method utilizes electrical control for the cells. The clamping of the cells can be removed at any time. It is very advantageous for collection and redistribution of cell products.

Abstract: A microfluidic chip on a transparent substrate includes microchannels, and an electric layer having a heater and a sensor layout on the microchannel nearby and aside for supplying heat source and sensing the temperature individually. The sensor is close to the microchannel for controlling the temperature accurately. Hence, the microfluidic chip can measure the temperature precisely without using an isolation layer and lower energy consumptions and reduce production costs.