Abstract: A novel composition comprising a multiple-funnel trap, a light source, a solar panel, a battery, a photoswitch to control the light source, and a supporting structure can be effectively used to capture night-flying adult kissing bugs (Hemiptera: Reduviidae).

Abstract: A microfluidic chip for modelling flow through a vein includes a body including a microchannel extending between a fluid inlet and a fluid outlet, wherein at least a portion of the microchannel is coated with endothelial cells that form vascular lumen, and a venous valve formed in the body and positioned along the microchannel, wherein the venous valve includes a pair of leaflets defining a pair of cusps of the venous valve, and a flow channel positioned between the leaflets.

Abstract: A high voltage discharge between two electrodes generating a plasma is disposed within a reactor chamber. Hydrocarbon gas and conductive liquid are passed over one or more electrodes, such that the conductive liquid cools the electrodes and avoids fouling. Such a discharge may result in hydrogen gas and additional carbon containing coproducts which may be used, released, or sequestered.

Abstract: In an embodiment, the present disclosure pertains to an organ-chip model having a plurality of cell culture chambers connected through arrays of microfluidic channels. In some embodiments, each cell culture chamber of the plurality of cell culture chambers include an inlet and an outlet. In some embodiments, the inlet is configured to receive at least one of a cell, cell media, or a cell stimulant. In some embodiments, at least one outlet is configured to collect effluent. In some embodiments, the organ-chip model can include, without limitation, an organ-chip model of amnion membrane, an organ-chip model of a feto-maternal interface (fetal membrane-decidua parietalis), an organ-chip model of a feto-maternal interface (placenta-decidua interface), an organ-chip model of a cervix, and combinations thereof. In some embodiments, the organ-chip model is an interconnected organ-chip model having a combination of one or more organ-chip models with interconnected cell culture chambers.

Abstract: Embodiments of the present disclosure pertain to methods of constructing a phage display library where at least 90% of combinatorial regions in the phage display library include at least one inframe amber codon. Further embodiments of the present disclosure pertain to the formed phage display libraries. Additional embodiments of the present disclosure pertain to methods of selecting peptides or proteins that bind to a desired target (e.g., a ligand binding site of a desired target) by utilizing the phage display libraries of the present disclosure. Further embodiments of the present disclosure pertain to peptides that have been screened from the phage display libraries and methods of the present disclosure, such as inhibitors of sirtuin 2, or inhibitors of ENL.

Abstract: In an embodiment, the present disclosure pertains to a method of direct ink writing (DIW). In general, the method includes extruding a resin from a print head, applying radio frequency (RF) heating to the resin, and inducing partial curing of the extruded resin layer-by-layer to thereby form a self-supporting structure. In an additional embodiment, the present disclosure pertains to a system for DIW. In some embodiments, the system includes a print head operable to extrude a resin from a nozzle and an RF applicator.

Abstract: An electric machine includes a stator comprising a plurality of stator teeth, a winding disposed on each stator tooth of the plurality of stator teeth, a heat sink mounted in thermal contact with an end winding of each winding and comprising a plurality of microchannels, a heat-transfer fluid disposed within the plurality of microchannels, and a condenser configured to exchange heat with the heat sink.

Abstract: A method of waste treatment includes treating partially-dewatered matrix with a first electron-beam radiation dose. The treated partially-dewatered matrix is transferred to a digester where the treated partially-dewatered matrix is subjected to anaerobic digestion. Biogas is recovered from the treated partially-dewatered matrix during the anaerobic digestion. The treated partially-dewatered matrix is dried and subjected to a second electron-beam radiation dose.

Abstract: A mechanical and electrochemical testing apparatus includes a tensile frame having a first grip and a second grip. An electrochemical cell is disposed between the first grip and the second grip. The electrochemical cell includes a working electrode port and a counter electrode port. An electrolyte is disposed in the electrochemical cell. A working electrode is coupled to the first grip and the second grip. The working electrode is in contact with the electrolyte in the working electrode port. A counter electrode is disposed in the counter electrode port. A potentiostat is coupled to the working electrode and the counter electrode.

Abstract: Provided herein are direct evaporative cooling devices and systems that are in open and closed configurations for cooling hot solid components. The devices in both configurations generally have a casing with a perforated surface where sealed within are a water/vapor separator with a reservoir volume and a thermally conductive media therein through which heat evaporates water within the media such that evaporation cools the hot solid component. The closed configuration of the device includes a condensor to receive, recondense the vapor to water and re-inject the water into the reservoir volume.

Abstract: Embodiments of the disclosure concern devices comprised of resorbable, shape-memory foam configured to allow for healing at a desired location. In particular embodiments, use of the device at the location utilizes the inherent environment at the location to allow expansion of the device, resulting in an improved fit for the device. In specific cases, the device is a vaginal stent configured for use for pediatric or adolescent populations.

Abstract: In an embodiment, the present disclosure relates to a device having a substrate, a first polymeric layer, a second polymeric layer, a metallic layer, and a third polymeric layer. In some embodiments, the metallic layer is between the second polymeric layer and the third polymeric layer. In an additional embodiment, the present disclosure relates to a method of forming a metallic film. In some embodiments, the method includes depositing a first polymeric layer on a substrate, depositing a second polymeric layer on the first polymeric layer, depositing a metallic layer on the second polymeric layer, and depositing a third polymeric layer on the metallic layer. In some embodiments, the metallic layer is between the second polymeric layer and the third polymeric layer.

Abstract: In an embodiment, the present disclosure pertains to an organ-specific wireless optogenetic device. In some embodiments, the device includes an electronic circuit, such that the electronic circuit is configured to harvest and convert radio frequency (RF) energy into optical energy and a tether having a ?LED, where the ?LED illuminates targeted regions in the organ. In an additional embodiment, the present disclosure pertains to a method of treating obesity. In general, the method includes implanting an organ-specific wireless optogenetic device into a subject, activating an RF-power system to produce RF energy, harvesting, by the organ-specific wireless optogenetic device, the RF energy, converting, by the organ-specific wireless optogenetic device, the RF energy into optical energy, illuminating, by the ?LED, targeted regions in the stomach of the subject, and stimulating nerve endings to thereby suppress appetite in the subject.

Abstract: Provided herein are wearable devices and systems therewith configured with wearable sensors, a machine learning framework with a machine learning model, and reinforcement learning models. Also provided are methods utilizing the wearable devices and technologies for understanding and optimizing emotional states in a subject and for predicting anxiety in a subject.

Abstract: Provided herein are high viscosity friction reducers that are self-degrading and a one-component system using the same high viscosity friction reducers. The high viscosity friction reducer is a crosslinked polymer, for example a crosslinked cationic polymer such as a polyacrylamide polymer. The high viscosity friction reducers are useful in a fracture well self-cleaning system without the need of a breaker.

Abstract: A deployable anti-fatigue mat for a stool includes a first portion flexibly joined to a second portion along a common edge, the first portion comprising a footrest secured thereto and the second portion being configured to be movably attached to a base of the stool.

Abstract: An embodiment includes a system comprising: a catheter; an optic fiber having a long axis and a short axis that is orthogonal to the long axis; first and second radiopaque elements coupled to the optic fiber; a first wire coupled to the optic fiber and extending from the first radiopaque element to the second radiopaque element; a fluid; wherein (a)(i) the first wire wraps at least partially around an exterior surface of the optic fiber; (a)(ii) an outer diameter of the first wire and an outer diameter of the optic fiber are collectively less than an inner diameter of the catheter, and (a)(iii) the first wire is configured to center the optic fiber within the catheter within a plane orthogonal to the long axis.

Abstract: A hydro-electrochemical power generator includes an interlayer having a first end and a second end opposite the first end, a first electrode in contact with the first end of the interlayer, wherein the first electrode includes a first material that is a corrodible metallic material, a second electrode in contact with the second end of the interlayer, wherein the second electrode includes a second material that is a corrodible metallic material, and at least one heat source coupled to one of the first electrode and the second electrode and configured to apply a temperature gradient across the first end and the second end of the interlayer, and wherein the first electrode and the second electrode are configured to output a non-zero electrical voltage in response to the application of the temperature gradient.

Abstract: An apparatus for converting heavy hydrocarbons to light hydrocarbons includes an inlet capable of supplying a pre-foaming mixture comprising a hydrocarbon to be processed and a processing gas, wherein the processing gas is dissolved in the hydrocarbon to be processed; a foam generator configured to receive the pre-foaming mixture at a first pressure, compress the pre-foaming mixture to a second pressure that is higher than the first pressure by routing it through a nozzle; and generate a foam by allowing the pre-foaming mixture at the second pressure to expand in a chamber at a third pressure that is lower than the first or second pressures; a plasma reactor, wherein the plasma reactor is capable of receiving the foam and comprises at least one pair of spark gap electrodes capable of subjecting the foam to a plasma discharge to yield a processed mixture; and an outlet capable of receiving the processed mixture.

Abstract: Disclosed is a new variety of Prunus persica named ‘Flat Delight Three’. This new variety, which requires approximately 350 chilling units of dormancy, is considered to be a peach tree of early season maturity, which produces subacid, white-fleshed flat (pantao) fruit that are firm, with the skin covered on 50-80% of its surface with a dark pink to dark maroon blush over a light yellow ground color, and suitable for both local and long-distance shipping.