Abstract: A gastrointestinal (GI) sensor deployment device is disclosed. In implementations, the sensor deployment device includes an orally-administrable capsule with a tissue capture device removably coupled to the orally-administrable capsule. The tissue capture device includes a plurality of fasteners for connecting the tissue capture device to GI tissue within a body. A biometric sensor is coupled to the tissue capture device for continuous or periodic monitoring of the GI tract of the body at the GI tissue attachment location. A chamber within the orally-administrable capsule is configured to draw gastrointestinal tissue towards the plurality of fasteners when a fluid pressure of the chamber is increased. An actuator can be configured to cause an increase of the fluid pressure of the chamber. Control circuitry coupled to the actuator can be configured to trigger the actuator to cause the increase of the fluid pressure of the chamber at a selected time.

Abstract: A system and method for connecting precast concrete structures includes anchoring a sleeve within a pocket formed in one of the concrete structures, and placing the concrete structures in contact with one another such that the pocket is diposed around a protruding end of a shear connector embedded in the other concrete structure. A bridge is inserted around the protruding end of the shear connector and a fastener is installed onto the protruding end of the shear connector to engage the bridge and urge the bridge in abutting relation with a lip of the sleeve. The pocket is then filled with a grout.

Abstract: Organic-inorganic hybrid perovskite (OIHP) based photo-responsive devices include an OIHP active layer disposed between a cathode layer and an anode layer, and an electron extraction layer disposed between the cathode layer and the active layer. The electron extraction layer includes a layer of C60 directly disposed on the active layer. The active layer includes an organometal trihalide perovskite layer (e.g., CH3NH3PbI2X, where X includes at least one of Cl, Br, or I).

Abstract: Continuous processes for fabricating a perovskite device are described that include forming a perovskite layer or film on a substrate using a linear deposition device, and optionally using a conductive tape lamination process to form an anode or a cathode layer on the perovskite device.

Abstract: A sensor having a substrate is provided in which structures are disposed on a surface of the substrate. The structures can be, e.g., nanostructures. Polarized light is directed toward the sensor, and birefringence of the structures with respect to the light is measured. Target particles that interact with the structures are detected based on changes in the measured birefringence.

Abstract: A top-gated graphene field effect transistor can be fabricated by forming a layer of graphene on a substrate, and applying an electrochemical deposition process to deposit a layer of dielectric polymer on the graphene layer. An electric potential between the graphene layer and a reference electrode is cycled between a lower potential and a higher potential. A top gate is formed above the polymer.

Abstract: A ferroelectric random-access memory structure and processes for fabricating a ferroelectric random-access memory structure are described that includes using a molybdenum sulfide layer. In an implementation, a ferroelectric random-access memory structure in accordance with an exemplary embodiment includes at least one FeFET, which further includes a substrate; a back gate electrode formed on the substrate, the back gate electrode including a conductive layer; a gate dielectric substrate formed on the back gate electrode; a source electrode formed on the gate dielectric substrate; a drain electrode formed on the gate dielectric substrate; and a layered transition metal dichalcogenide disposed on the gate dielectric substrate and contacting the source electrode and the drain electrode.

Abstract: The present application provides, inter alia, chemical compounds useful as synthesis intermediates, said compounds comprising one or more guanidinium moieties and a hypervalent iodine atom. Methods for making these compounds are also provided.

Abstract: Methods of genetically modifying soybean plants to alter the fatty acid properties of the oil are described.

Abstract: A non-naturally occurring porcine reproductive and respiratory syndrome virus (PRRSV) is provided herein, and methods of making and using the non-naturally occurring PRRSV also are provided.

Abstract: Perovskite materials useful in the manufacture of photovoltaic cells are provided. The perovskite materials have the formula AB?0.5B?0.5X3 or A?0.5A?0.5B?0.5B?0.5X3, wherein A, A?, and A? are organic or inorganic cations, X is a halogen ion, B? is tin, and B? is germanium. Embodiments of the mixed tin and germanium halide perovskite materials possess a direct bandgap within the optimal range of 0.9-1.6 eV and have an optical absorption spectrum that is comparable to the state-of-the-art methylammonium lead iodide perovskites. The perovskite materials provided herein have been formulated to be lead-free.

Abstract: The present disclosure provides methods for obtaining plants that exhibit useful traits by perturbation of organellar function in plants. Methods for identifying genetic loci that provide for useful traits in plants and plants produced with those loci are also provided. In addition, plants and grafted plants that exhibit, contain, or harbor the useful traits, parts of the plants including seeds, and products of the plants are provided as well as methods of using the plants. Recombinant DNA vectors and transgenic plants comprising those vectors that provide for organellar perturbation are also provided.

Abstract: This disclosure relates to reagents and methods useful in the synthesis of aryl iodines, for example, in the preparation of iodine labeled radiotracers. The reagents and methods provided herein may be used to access a broad range of compounds, including aromatic compounds, heteroaromatic compounds, amino acids, nucleotides, and synthetic compounds.

Abstract: Nucleic acid sequences involved in plant yield are provided, as are methods of using such nucleic acid sequences.

Abstract: Magnetic flux valves can be used in electromagnetic (EM) power converters to electronically control output signals of the EM power converters. An input signal is provided to an EM power converter that includes two or more core sections in which at least one core section includes a magnetic flux valve having an adjustable reluctance. The EM power converter has one or more primary windings and one or more secondary windings wound around one or more core sections. One or more control signals are provided to the one or more magnetic flux valves to control a reluctance or reluctances of the one or more magnetic flux valves, affecting magnetic coupling between the primary and secondary windings. An output signal is generated, in which the output signal is a function of the input signal and the one or more control signals.

Abstract: A magneto-electric magnetic tunnel junction device (ME-MTJ) that permits direct driving of ME-MTJ devices by a prior ME-MTJ device is the unipolar magneto-electric magnetic tunnel junction (UMMTJ) device. The UMMTJ device enables full logic circuitry to be implemented without level shifting between each logic element.

Abstract: Conductive concrete mixtures for shotcrete applications are described that are configured to provide varied EM shielding and reflect and/or absorb, for instance, EM waves propagating through the conductive concrete mixture, while providing flowability (e.g., fluidity) for shotcrete applications. The conductive concrete mixtures include cement, aggregate, water, metallic conductive material, and conductive carbon particles and magnetic material. The metallic conductive material may include steel fibers and/or shavings having sizes suitable for application through shotcrete nozzles/applicators, and the magnetic material may include a taconite aggregate, such as taconite sand.

Abstract: A thermomechanical memory/logic device is disclosed. In embodiments, the thermomechanical device includes a first thermally controlled terminal (e.g., hot terminal); a second thermally controlled terminal (e.g., cool terminal/base); a stem or other structure that can be thermally expanded connected to the cool terminal; and a thermal conductive head coupled to the stem. The head can exchange heat with the hot terminal. The stem and head are between the first thermally controlled terminal and the second thermally controlled terminal, wherein the stem expands or contracts in response to heat absorbed or given off by the thermal conductive head, causing the head to move towards the first thermally controlled terminal or towards the second thermally controlled terminal until a stable state is reached. For example, bistable thermal states can be used to implement logic states (e.g., ZERO or ONE states).

Abstract: A fiber optic sensor, a process for utilizing a fiber optic sensor, and a process for fabricating a fiber optic sensor are described, where a double-side-polished silicon pillar is attached to an optical fiber tip and forms a Fabry-Pérot cavity. In an implementation, a fiber optic sensor in accordance with an exemplary embodiment includes an optical fiber configured to be coupled to a light source and a spectrometer; and a single silicon layer or multiple silicon layers disposed on an end face of the optical fiber, where each of the silicon layer(s) defines a Fabry-Pérot interferometer, and where the sensor head reflects light from the light source to the spectrometer. In some implementations, the fiber optic sensor may include the light source coupled to the optical fiber; a spectrometer coupled to the optical fiber; and a controller coupled to the high speed spectrometer.

Abstract: Systems and methods are described to form compositionally graded BHJ structures utilizing solvent-fluxing techniques. In implementations, the systems and methods described herein involve a high boiling point additive, a solution of a polymer donor and an acceptor, a substrate material, a working solvent, and a flux solvent for formation of compositionally graded BHJ structures.