Abstract: A microsensor and method of manufacture for a microsensor, comprising an array of filaments, wherein each filament of the array of filaments comprises a substrate and a conductive layer coupled to the substrate and configured to facilitate analyte detection. Each filament of the array of filaments can further comprise an insulating layer configured to isolate regions defined by the conductive layer for analyte detection, a sensing layer coupled to the conductive layer, configured to enable transduction of an ionic concentration to an electronic voltage, and a selective coating coupled to the sensing layer, configured to facilitate detection of specific target analytes/ions. The microsensor facilitates detection of at least one analyte present in a body fluid of a user interfacing with the microsensor.

Abstract: The present invention discloses multiple approaches to preventing the capsule walls and other material from interfering with the performance of an electronic device once the device is activated by surrounding fluid. In accordance with the teachings of the present invention, a miniature ingestible device (MID) may be created using excipients and films. The MID, in accordance with various aspects of the present invention, will have a coating or laminating surrounding an electronic device and separating and isolating the device from the pharmaceutical product or drug within the capsule once the capsule is ingested as well as from the capsule itself as the capsule walls begin to collapse during the disintegration process.

Abstract: The system of the present invention includes an implantable device that can detect high and low frequency current signature. The implantable device can communicate with a communication device that includes a conductive element, an electronic component, and a partial power source in the form of dissimilar materials. Upon contact with a conducting fluid, the communication device is activated.

Abstract: An ingestible compositions includes a first polymer layer, an adhesive layer associated with the first polymer layer, where the adhesive layer includes an adhesive material and is configured to releasably adhere to the first polymer layer, an alginate layer adhered to the adhesive layer, and a second polymer layer associated with the alginate layer and configured to releasably adhere to the alginate layer. Aspects further include methods of making and using the compositions.

Abstract: Ingestible event markers having high reliability are provided. Aspects of the ingestible event markers include a support, a control circuit, a first electrochemical material, a second electrochemical material and a membrane. In addition, the ingestible event markers may include one or more components that impart high reliability to the ingestible event marker. Further, the ingestible event markers may include an active agent. In some aspects, the active agent, such as a pharmaceutically active agent or a diagnostic agent may be associated with the membrane.

Abstract: Improved ingestible event markers are provided. Aspects of the markers may include the presence of a matrix layer that includes a binder and source of an electron acceptor. Alternatively or in addition to the matrix layer, aspects of the markers may include a large surface area electrode having a surface area that exceeds the surface area of the circuitry of the marker. Aspects further include methods of making and using the ingestible event markers.

Abstract: An aqueous electrolyte for a metal-halogen flow battery includes an electrolyte that includes zinc bromide, a chelating agent, and a metal plating enhancer. The metal plating enhancer may include Bi, Pb, Te, Se, and/or Tl, salts thereof, or any combination thereof.

Abstract: The system of the present invention includes a conductive element, an electronic component, and a partial power source in the form of dissimilar materials. Upon contact with a conducting fluid, a voltage potential is created and the power source is completed, which activates the system. The electronic component controls the conductance between the dissimilar materials to produce a unique current signature. The system can also measure the conditions of the environment surrounding the system.

Abstract: Virtual dipole signal amplification for in-body devices, such as implantable and ingestible devices, is provided. Aspects of the in-body deployable antennas of the invention include antennas configured to go from a first configuration to a second configuration following placement in a living body, e.g., via ingestion or implantation. Embodiments of the in-body devices are configured to emit a detectable signal upon contact with a target physiological site. Also provided are methods of making and using the devices of the invention.

Abstract: The present invention provides for safe and reliable electronic circuitry that can be employed in ingestible compositions. The ingestible circuitry of the invention includes a solid support; a conductive element; and an electronic component. Each of the support, conductive element and electronic component are fabricated from an ingestible material. The ingestible circuitry finds use in a variety of different applications, including as components of ingestible identifiers, such as may be found in ingestible event markers, e.g., pharma-informatics enabled pharmaceutical compositions.

Abstract: The system of the present invention includes a conductive element, an electronic component, and a partial power source in the form of dissimilar materials. Upon contact with a conducting fluid, a voltage potential is created and the power source is completed, which activates the system. The electronic component controls the conductance between the dissimilar materials to produce a unique current signature. The system can be used in a variety of different applications, including as components of ingestible identifiers, such as may be found in ingestible event markers, e.g., pharma-informatics enabled pharmaceutical compositions.

Abstract: The system of the present invention includes a container and an electronic component with a partial power source in the form of dissimilar materials. The container includes a liquid. Upon contact with the liquid, a voltage potential is created and the power source is completed, which activates the system. The electronic component controls the conductance between the dissimilar materials to produce a unique current signature.

Abstract: Ingestible event markers having high reliability are provided. Aspects of the ingestible event markers include a support, a control circuit, a first electrochemical material, a second electrochemical material and a membrane. In addition, the ingestible event markers may include one or more components that impart high reliability to the ingestible event marker. Further, the ingestible event markers may include an active agent. In some aspects, the active agent, such as a pharmaceutically active agent or a diagnostic agent may be associated with the membrane.

Abstract: Method and systems for manufacturing a tablet comprising an electronic device are disclosed. In one method, a powdered material is provided into a die cavity of a tablet press and an electronic device is dispensed from a tape-and-reel carrier tape operatively coupled to the tablet press into the die cavity. The powdered material and the electronic device are compressing to form a tablet. A system comprises a tablet press comprising a die cavity for receiving a powdered material and an electronic device therein, an upper punch, and a lower punch. The upper and lower punches are operative to form the powdered material and the electronic device into a tablet. A tape-and-reel carrier tape is operatively coupled to the tablet press, where the carrier tape is configured for holding the electronic device. A transfer mechanism is used to transfer the electronic device from the tape carrier to the die cavity.

Abstract: A microsensor and method of manufacture for a microsensor, comprising an array of filaments, wherein each filament of the array of filaments comprises a substrate and a conductive layer coupled to the substrate and configured to facilitate analyte detection. Each filament of the array of filaments can further comprise an insulating layer configured to isolate regions defined by the conductive layer for analyte detection, a sensing layer coupled to the conductive layer, configured to enable transduction of an ionic concentration to an electronic voltage, and a selective coating coupled to the sensing layer, configured to facilitate detection of specific target analytes/ions. The microsensor facilitates detection of at least one analyte present in a body fluid of a user interfacing with the microsensor.

Abstract: Highly-swellable polymeric films are provided. Aspects also include ingestible compositions that include the highly-swellable polymeric film and an ingestible component. Aspects further include methods of making and using the compositions.

Abstract: A device for placement within a capsule. The device includes a unit to encode information in a current signature, the unit including a partial power source. The device further including a flexible membrane secured to the unit. The membrane engages the wall of the capsule and holds the device in place within the capsule.

Abstract: The system of the present invention includes a container and an electronic component with a partial power source in the form of dissimilar materials. The container includes a liquid. Upon contact with the liquid, a voltage potential is created and the power source is completed, which activates the system. The electronic component controls the conductance between the dissimilar materials to produce a unique current signature.

Abstract: A method of manufacturing a sensor for sensing analytes, the method including: with a dicing saw, removing material from a substrate, thereby forming an array of columnar protrusions at a first surface of the substrate; forming an insulating layer coupled to exposed surfaces of the substrate and exposed surfaces of the array of columnar protrusions; removing a portion of the insulating layer at a second surface of the substrate, directly opposed to the first surface of the substrate; with the dicing saw, removing material from a distal end of each columnar protrusion in the array of columnar protrusions, thereby defining a sharp tip, uncovered by the insulating layer, at the distal end of each columnar protrusion in the array of columnar protrusions; and coupling a conductive layer to the sharp tip of each columnar protrusion in the array of columnar protrusions.

Abstract: The system of the present invention includes a conductive element, an electronic component, and a partial power source in the form of dissimilar materials. Upon contact with a conducting fluid, a voltage potential is created and the power source is completed, which activates the system. The electronic component controls the conductance between the dissimilar materials to produce a unique current signature. The system can also be associated with food and communicate data about ingestion of food material to a receiver.