Abstract:
On-chip closed loop control circuitry comprising an amperometric sensing system, a potentiometric sensing system, at least one differentiator connected to said amperometric and potentiometric sensing systems, at least one integrator connected to said amperometric and potentiometric sensing systems, and noise reduction means. A recording device and chip for measuring neurochemical and neuroelectrical activity in tissue culture having at least one potentiometric electrode, at least one amperometric electrode interconnected to the potentiometric electrode, wherein the electrodes are located on the same device, and circuitry for eliminating frequency noise. Also provided is software for controlling the chip.
Abstract:
A micro-device for testing for agents in a fluid including at least one micro-chamber and a sensor for sensing agents in the fluid, the sensor is located within the micro-chamber. A micro-device for testing for agents in a fluid including a micro-chamber and a micro-fluidic system, the micro-fluidic system is used for pumping the fluid into the micro-chamber. A micro-device for testing for agents in a fluid including a miniature micro-chamber for testing for agents in a small amount of fluid.
Abstract:
According to the present invention, there is provided an electronic device for monitoring active biological operations including a support substrate, at least one amperometric sensor, and at least one potentiometric sensor.
Abstract:
According to the present invention, there is provided a micro-fluidic sensor system (6) including a micro-conduit (56) for carrying fluid therethrough having a flexible wall portion (18), at least one micro-fluidic actuator having a closed cavity, flexible mechanism defining a wall of the cavity (11) and flexible wall portion (18) of the micro-conduit for deflecting upon an application of pressure thereto, and expanding mechanism (14) disposed in the cavity for selectively expanding the cavity and thereby selectively flexing said expanding mechanism, and sensor mechanism in fluid communication with the micro-conduit for sensing the presence or absence of molecules. The present invention further provides for a micro-fluidic system for moving micro-fluid amounts including a micro-conduit and at least one micro-fluidic actuator in fluid communication with the micro-conduit.