Abstract: The techniques relate to methods and apparatus for flow conductance measurement. A device includes a substrate, at least one set of a plurality of measurement electrodes disposed at least partially on a top surface of the substrate, and a fluid channel that extends along a direction such that a fluid introduced into the fluid channel flows along the direction, wherein the fluid channel is adjacent the top surface of the substrate, and the at least one set of the plurality of measurement electrodes are spaced along the direction of the fluid channel for determining a conductance of the fluid as the fluid flows through the fluid channel.
Abstract: The techniques relate to methods and apparatus for sealed fluid chambers. The device includes a plurality of sensor chips, each sensor chip comprising a set of sensor elements, wherein each sensor element of the set of sensor elements is configured to sense an analyte, at least one fluid chamber comprising an inner portion proximate to, and in fluid communication with, at least one of the plurality of sensor chips, and a sealing member between the at least one fluid chamber and the at least one of the plurality of sensor chips.
Abstract: The techniques relate to methods and apparatus for sealed fluid chambers. The device includes a sensor chip comprising a set of sensor elements configured to sense an analyte, and the set of sensor elements comprise an associated set of electrodes extending along the surface of the substrate. The device includes a fluid chamber comprising an edge proximate to the surface of the substrate, the fluid chamber comprising an inner portion in fluid communication with the set of sensor elements, wherein at least one electrodes extends from the inner portion of the chamber across the edge of the chamber and outside of the fluid chamber. The device includes a sealing member between the edge of the fluid chamber and the surface of the substrate such that the sealing member is disposed over at least a portion of the electrode that extends across the edge of the fluid chamber.
Abstract: The techniques relate to methods and apparatus for sealed fluid chambers. The device includes a sensor chip comprising a set of sensor elements at least partially disposed on a first side of a substrate, wherein each sensor element of the set of sensor elements is configured to sense an analyte and comprises an associated set of through silicon vias (TSVs), each TSV of the set of TSVs extending from an associated portion of the sensor element through the substrate to a second side of the substrate that is opposite the first side. The device includes a fluid chamber proximate to the first side of the substrate and comprising an inner portion in fluid communication with the set of sensor elements, and a sealing member between the fluid chamber and the first side of the substrate.
Abstract: The techniques relate to methods and apparatus for sensing an analyte. At least one sensor element is configured to sense an analyte, the at least one sensor element comprising a first portion and a second portion. A first current electrode is attached to the first portion and a second current electrode is attached to the second portion. A first measurement electrode is attached to the first portion and a second measurement electrode is attached to the second portion.
Abstract: The techniques relate to methods and apparatus for electroosmotic flow. A device includes a fluid chamber, at least one sensor element configured to sense an analyte, wherein the at least one sensor element is in fluid communication with the fluid chamber, and a set of electroosmotic electrodes disposed for creating an electroosmotic flow of a fluid in the fluid chamber over the at least one sensor element.