Abstract: In certain embodiments, enhancement of a field of view of a user may be facilitated via one or more dynamic display portions. In some embodiments, one or more changes related to one or more eyes of a user may be monitored. Based on the monitoring, one or more positions of one or more transparent display portions of a screen of wearable device may be adjusted, where the transparent display portions enable the user to see through the screen of the wearable device. A live video stream representing an environment of the user may be obtained via the wearable device. An enhanced video stream derived from the live video stream may be displayed on one or more other display portions of the screen of the wearable device.

Abstract: An agricultural device that can include a frame; and a plurality of roller-crimping devices supported by the frame arranged in at least one row oriented in a direction that is transverse to a direction of travel of the agricultural device. Each of the plurality of roller-crimping devices having an exterior surface configured to at least partially crush stems of residual plant matter, and being individually movably mounted to the frame such that each of the plurality of roller-crimping devices will move at least vertically with respect to the frame when subjected to a temporary increase in resistance caused by an encounter with a non-uniform region in the field.

Abstract: Provided are a display device, a scan driver, and a method of manufacturing the same. A scan driver includes: a level shifter configured to output a power and a signal, and a scan signal generating circuit configured to generate a scan signal based on the power and the signal supplied from the level shifter, the scan signal generating circuit including a buffer configured to transmit a clock signal to a stage of a shift register, the buffer including two inverters, one of the two inverters being included in a multi-buffer.

Abstract: A replacement knee implant has a femoral implant and a tibial implant, each of which are inset in a bone surface. The tibial implant is generally elongated with one end rounded and an opposite end conforming to the shape of the tibia, and is made of a metal alloy or a ceramic. The upper surface is dished while the lower surface is planar and can be parallel or sloped relative to the upper surface, and can have a keel for fixation. The femoral implant for implementation in a femoral condyle is rounded such that, when implemented, the femoral implant is flush at the anterior and posterior sides and protruding away from the femur between the anterior and posterior ends. The femoral implant can have an elongated keel for extending into the femur, and can be made from a highly cross-linked polyethylene.

Abstract: Described herein are substituted indazoles comprising formula (II) that may selectively bind to Hsp90, methods of using the compounds, and kits including the compounds. Formula (II) may link to detection moieties such as fluorophores that may allow for selective detection of Hsp90 in a sample.

Abstract: Various embodiments are described herein for a system and a method for identifying a region of interest in tissue using mass spectrometry. An agent administration component can be provided to administer an exogenous agent to the tissue. A sampling unit can also be provided to acquire a sample from the tissue. The sample can then be provided to a high sensitivity analysis platform, such as a mass analyzer, to analyze the sample and determine a distribution of the exogenous agent or a by-product of the exogenous agent within the tissue based on the analysis. The analysis platform can then identify the region of interest based on the distribution of the exogenous agent or the distribution of the by-product.

Abstract: Embodiments herein relate to a membrane bioreactor for strengthening membrane fouling control and method thereof. The embodiments may solve problems associated with existing techniques in the field of water treatment. The membrane bioreactor may include a reactor wall, a membrane element, a collecting pipe, a water collecting pipe, a vacuum table, a suction pump, a cleaning unit, an air compressor, an aeration pipe, an aeration head, an inlet pipe, and a drain pipe. The existing techniques related to membrane fouling control has problems such as complexity to operate, difficulties to clean online, and uses of chemicals, which may cause secondary pollution. The embodiments relate to a device that includes a set of automatic mechanical transmission units.

Abstract: Methods of producing hepatocyte lineage cells are provided. The method can include transfecting a cell with one or more expression vectors. For example, a cell can be transfected with a first expression vector containing a first gene that encodes CCAAT/enhancer binding protein alpha (CEBPA), a second expression vector containing a second gene that encodes CCAAT/enhancer binding protein beta (CEBPB), a third expression vector containing a third gene that encodes forkhead box A1 (FOXA1), and a fourth expression vector containing a fourth gene that encodes forkhead box A3 (FOXA3). The method can include culturing the transfected cell obtained in a growth environment. The transfected cell can be cultured in Williams' E medium, ReproFF (feeder-free media maintaining pluripotency) medium, or both. Transfected and/or hepatocyte lineage cells obtained by a method of the present invention are also provided.

Abstract: Provided herein are skin-mounted biomedical devices and methods of making and using biomedical devices for sensing and actuation applications. For example, flexible and/or stretchable biomedical devices are provided, including electronic devices useful for establishing conformal contact with the skin of a subject. Devices disclosed herein can comprise a plurality of sensing and/or actuating devices provided as part of a skin-mounted flexible or stretchable electronic circuit.

Abstract: A drilling fluid composition including a viscosifier, treated date pit particles which are i) de-oiled and ii) treated with a base or both a base and an acid, and an aqueous base fluid, wherein the treated date pit particles are present in an amount of 0.01-5 wt %, relative to a total weight of the drilling fluid composition. A method of making the drilling fluid composition by de-oiling date pit particles, treating with a base or a base and an acid in a freeze/thaw process, and adding the freeze/thaw mixture to the viscosifier and the aqueous base fluid. A process for drilling a subterranean geological formation with the drilling fluid composition.

Abstract: Disclosed herein are apparatus, devices, and methods for monitoring marine animals, such as whales, and other marine mammals, and fish groups within a marine environment. A marine animal monitoring system may include an acoustic receiver array having a high-resolution directional sensing capacity using large-aperture densely-sampled coherent ocean acoustic receiver arrays operative to enhance detection range and localization accuracy of marine mammal vocalizations and fish acoustic signals. The acoustic receiver array may generate acoustic signal information based on acoustic signals sensed at the array. The marine monitoring system may operate to generate marine animal information based on the acoustic signal information, such as marine animal location, species, call type, and/or the like.

Abstract: Expanded performance opportunities for imaging spectrometers are described using ?-polynomial freeform surfaces in reflective and diffractive optics. The imaging spectrometers are generally of a type that include an entrance aperture for admitting radiation over a range of wavelengths, a detector array, a primary reflective optic with optical power, a secondary reflective diffractive optic, and a tertiary reflective optic with optical power for collectively imaging the entrance aperture onto the detector array through a range of dispersed positions. One or more of the primary reflective optic, the secondary reflective diffractive optic, and the tertiary reflective optic can include a ?-polynomial optical surface with no axis of symmetry and represented by a function that depends on both a radial component and an azimuthal component.

Abstract: Apparatuses, systems, ambient backscatter transceivers, and methods for modulating a backscatter of an ambient RF signal are described. An example system may include an ambient backscatter transceiver comprising an antenna that is configured to receive a backscattered ambient radio frequency (RF) signal. The ambient backscatter transceiver is configured to demodulate the backscattered ambient RF signal to retrieve first data. The backscattered ambient RF signal is generated by backscattering an ambient RF signal at a first frequency. The ambient RF signal is encoded with modulated to provide second data at a second frequency.

Abstract: An optical waveguide detector is provided, which includes: a silicon waveguide layer and a germanium waveguide layer. The germanium waveguide layer includes a first heavily germanium-doped area and a germanium-undoped area. A first surface of the germanium waveguide layer includes a surface of the first heavily germanium-doped area, and the first surface is a surface of the germanium waveguide layer away from the silicon waveguide layer in the first direction. A width of the first heavily germanium-doped area is less than or equal to half a width of the first surface, and a thickness of the first heavily germanium-doped area is greater than or equal to 5 nm and less than or equal to 200 nm. According to embodiments, a bandwidth of the optical waveguide detector can be effectively increased.

Abstract: Systems and methods which provide flexible zinc ion (Zn-ion) battery configurations with shape memory are described. For example, embodiments of flexible shape memory yarn batteries (SMYBs) may be fabricated using shape memory material wire, filament, and/or fiber and flexible conductive material yarn as flexible substrate materials. In accordance with some embodiments, Nickel-Titanium-based alloy wire may be coated with a zinc material to provide a flexible anode electrode for a SMYB. Additionally or alternatively, flexible stainless steel (SS) yarn may be coated with a manganese dioxide (MnO2) material to provide a flexible cathode electrode for a SMYB of embodiments. An aqueous electrolyte may be combined with the flexible cathode and anode electrodes to provide a SMYB in accordance with the concepts herein. The aqueous electrolyte may, for example, comprise a polymer gel electrolyte (e.g., gelatin-borax polymer gel electrolyte).

Abstract: A hybrid solar cell includes a photovoltaic (PV) cell having an upper grid and lower contact plate with an anode and cathode region in between. A thermoelectric (TE) cell has a top and bottom segmented connector layer with TE elements having pairs of n-doped elements and p-doped elements connected together electrically in series and thermally in parallel by segments of the top or bottom segmented connector layer. An electrically insulating and thermally conducting layer is between the plate and the TE cell. A direct electrical connection is between the cathode region provided by the upper grid or lower plate and segments contacting the n-doped elements, and a direct electrical connection is between the anode region provided by the grid or plate and segments contacting the p-doped elements for the PV cell to power the TE cell and the TE cell to provide active cooling for the PV cell.

Abstract: Diagnostic systems, methods, and devices employing low-cost handheld components are disclosed herein. A diagnostic system can include a diagnostic device that is configured to perform one or more assays on a fluid sample, such as a whole blood sample, in one or more microfluidic channels or chambers. The diagnostic device can move the fluid sample into or through the one or more microfluidic channels or chambers without using any electrical power, for example, using manual actuation to generate a positive or negative pressure within the diagnostic device. The diagnostic device can have a connector for interfacing with a separate handheld unit that can provide power and data processing. For example, the separate handheld unit can be a smartphone or PDA, and the connector can interface with an existing input/output port of the unit to draw power and/or transmit data.

Abstract: Systems and methods can provide a fast and accurate way to measure conductivity and Hall effect, such that transient conductivities, transient carrier densities or transient mobilities can be measured on millisecond time scales, for example. The systems and methods can also reduce the minimum magnetic field needed to extract carrier density or mobility of a given sample, and reduce the minimum mobility that can be measured with a given magnetic field.

Abstract: The present invention relates to novel nucleic acid molecules, called aptamers, that bind specifically to a small molecule fluorophore and thereby enhance the fluorescence signal of the fluorophore upon exposure to radiation of suitable wavelength. Molecular complexes formed between the novel fluorophores, novel nucleic acid molecules, and their target molecules are described, and the use of multivalent aptamer constructs as fluorescent sensors for target molecules of interest are also described.

Abstract: An oil-soluble coated particle flow modifier, a preparation method thereof, and a use thereof in fractured-vuggy carbonate reservoirs mining. The oil-soluble coated particle flow modifier is of a core-shell structure, which has a core layer of a coated core and a shell layer of a coating agent, wherein the coated core is made of a plugging material, and the coating agent consists of petroleum resin and hollow beads. Based on the total weight of the coated particle flow modifier, the content of the petroleum resin, the hollow beads, the cotton linters, and the coated cores is 10-40 wt %, 9-40 wt %, 1-10 wt %, and 35-80 wt %, respectively. A preparation method of the coated particle flow modifier and a use of the coated particle flow modifier in fractured-vuggy carbonate reservoirs mining to improve oil recovery is also provided.