Abstract: The present disclosure relates to a nanosensor for real-time monitoring of wound healing, a manufacturing method thereof, and a real-time monitoring system for wound healing using the same. A nanosensor according to example embodiments includes a biomarker for detecting mRNA and a reference gene on gold nanoparticles, thereby providing an objective indicator through monitoring of wound healing, enabling monitoring of wound healing through direct monitoring using real-time fluorescence by including a fluorescent marker in a nanoflare, and enabling evaluation of a whole wound healing process in normal and patient groups (diabetes) through real-time monitoring. In addition, the nanosensor according to the example embodiments has advantages of shortening synthesis time and improving efficiency by 30% through integration of a novel synthesis method (freezing method) rather than an existing synthesis method (salt aging).

Abstract: Systems and methods for genome sequence compression and decompression are provided. The method for compression encoding of a genome sequence includes partitioning a genome sequence into a plurality of Group of Bases (GoBs) and processing each of the plurality of GoBs independently to encode the genome sequence into a bit stream. Processing each of the plurality of GoBs includes dividing each of the plurality of GOBs into a first part and a second part, the first part including an initial context part and the second part including a learning-based inference part. The processing each of the plurality of GoBs further includes encoding the first part in accordance with a Markov model, encoding the second part in accordance with a learning-based model, and encoding the encoded first part and the encoded second part into the bit stream with an arithmetic encoder. The learning-based model may include Long and Short-Term Memory (LSTM)-based neural networks.

Abstract: A method and a method for determining flow speed based on photoacoustic imaging or sensing. The method includes receiving multiple photoacoustic signals from a sample in response to transmission of multiple laser pulses of different wavelengths to the sample, and processing the photoacoustic signals based on a flow model that relates photoacoustic signals with flow speed to determine a flow speed of a liquid flow in the sample.

Abstract: A multimodal haptic feedback interface installed with a multimode haptic patch stimulates a skin area of a user to provide a haptic feedback including first and second haptic-feedback components to be sensed under static tactile sensing and dynamic tactile sensing, respectively. The patch is mounted with mechanical actuators, electrostimulation electrodes and thermoelectric pellets. The actuators generate a two-dimensional pattern of pressure on the skin area for generating the first haptic-feedback component. The electrostimulation electrodes electrically stimulates the skin area, causing the user to feel a vibration or pressure for generating the second haptic-feedback component. The actuators and electrostimulation electrodes are optimized only for static tactile sensing and dynamic tactile sensing, respectively, reducing an implementation cost while optimized for accuracy in haptic feedback generation.

Abstract: Provided herein are methods of treating a nervous system injury, such as a central nervous system injury and/or a peripheral nervous system injury, and methods for treating an injured neuron using glycopyrrolate, mexiletine, or a mixture thereof.

Abstract: A novel medium entropy alloy having the chemical formula MoxCrNiCo (atomic %) where (x ranges from ˜0.4 to ˜1.0).

Abstract: The present invention provides a metal-carbon composite of a core-shell structure and a method of synthesizing the same. The method includes preparing a first polymer-covered glass substrate with a nano-thickness metal film deposited thereon; immersing the first polymer-covered glass substrate with the metal film to delaminate one or more 2D freestanding organic-metal nanosheets from the first polymer-covered glass substrate; transferring the one or more 2D freestanding organic-metal nanosheets onto a second target substrate; and annealing the one or more 2D freestanding organic-metal nanosheets to decompose an organic portion of the organic-metal nanosheet into an amorphous carbon-containing shell forming a metal-carbon nanocomposite of a core-shell structure.

Abstract: A power amplifier including: a main power amplification device having an output; an auxiliary power amplification device having an output; a load modulation circuit operably connected to the output of the main power amplification device and the output of the auxiliary power amplification device; and a post-matching circuit operably connected to load modulation circuit. The load modulation circuit is arranged to enable fundamental frequency load modulation and to enable modulated harmonic terminations of at least the second and third harmonic frequencies. The modulated harmonic terminations may include drain terminations.

Abstract: A photonic device and a continuous-wave THz signal generator using such photonic device. The photonic device includes an input waveguide arranged to receive input waves of at least two input frequencies and to generate photons at an output frequency associated with the at least two input frequencies; an output waveguide coupled to the input waveguide and arranged to collect the generated photons at the output frequency; wherein the output waveguide is further arranged to facilitate an amplification of the generated photons as the generated photons propagates along the output waveguide and arranged to output an amplified signal at the output frequency.

Abstract: The present invention provides a solar absorber incorporated bilayer foam solar evaporator for seawater and wastewater purification including a plurality of solar absorbers partially incorporated into a porous polymer framework and partially forming a thermal insulation layer proximal to solar irradiation. In particular, low-cost commercially available B4C powders are embedded into a porous polymer foam in a one-pot method to form a scaffold of boron carbide bilayer foam (BCBF) with good hydrophilic wettability, heat-shielding, and solar-thermal conversion. The boron carbide bilayer foam (BCBF) of the present invention enables a high cost-performance seawater desalination and wastewater purification at a high evaporation rate of 2.8 kg/m2/h with 93% solar evaporation efficiency under 1 sun illumination (or 1 kW/m2). The present invention thereby provides an excellent and cost-effective solar evaporator tool for industrial-level water purification.

Abstract: An antenna that comprises a dielectric body and a feed arrangement. The dielectric body includes a first portion operable as a dielectric lens and a second portion operable as a dielectric resonator. The feed arrangement is operably coupled with the dielectric body for operating the antenna as a dielectric lens antenna and a dielectric resonator antenna.

Abstract: An electrochemical detector includes: a solution chamber and a substance selection structure separating the chamber into individual compartments, wherein the solution chamber is arranged to retain and separate solutions in each of the individual compartments; and a pair of electrodes each connecting the respective individual compartment, wherein the pair of electrodes is arranged to form a conductive path across the electrodes when in contact with the solutions retained in the solution chamber. The substance selection structure is arranged to interact with a target substance in the solution so as to alter an electrical characteristic of the conductive path defined by the pair of electrodes, the solution retained in the individual compartments in the solution chamber and the substance selection structure.

Abstract: The present invention is concerned with a method for detection of presence and/or quantities of silver nanoparticles in a specimen. The method includes the steps of a) providing a detection organism suspended in a medium, b) treating the detection organism with zinc ions thus effecting auto-fluorescence therefrom, and then measuring degree of fluorescence of the detection organism suspended medium, c) adding the specimen to the detection organism suspended medium, treating the detection organism therein with the specimen for a period of time, and measuring change of fluorescence of the detection organism-suspended medium over time, d) calculating amount of silver ions intracellularly dissolved from the silver nanoparticles and accumulated in the detection organism in view of the change of fluorescence, and e) extrapolating quantity of silver nanoparticles in the specimen in view of the change of fluorescence and the amount of the intracellularly dissolved silver ions.

Abstract: A human-interface device and a guiding apparatus for a visually impaired user including such human-interface device. The human-interface device includes a tactile module arranged to provide a set of haptic signals to a user, wherein the tactile module has a plurality of tactile units each arranged to provide at least a first haptic signal and operable to cooperate with one or more of other tactile units to provide different haptic signals.

Abstract: The present invention provides a hetero-stiffness robotic device with a central body portion having a head end and a tail end. A rigid rotatable head propeller extends from the head end while a flexible rotatable tail propeller extends from the tail end. A head motor positioned in the central body portion rotates the rigid rotatable head propeller and a tail motor positioned in the central body portion rotates the flexible rotatable tail propeller. A controller independently controls a rotational speed of the head motor and the tail motor. The head and tail propellers may have helical shapes. The hetero-stiffness propulsion gives the robotic device a high level of environmental adaptivity over a wide range of viscosities. The device demonstrates advantages in linearity, straightness, bi-directional locomotion ability, and efficiency, which provides a critical competence for moving in low Reynolds number environments.

Abstract: The present invention provides an apparatus for facilitating a photovoltaic device to provide a wireless communication channel. The apparatus comprises a switch connected in parallel with the photovoltaic device and configured for driving the photovoltaic device to produce optical signals carrying sensed data to be transmitted; and a control module connected with the switch and configured for receiving electrical sensing signals and generate a control signal to control the switch. The apparatus provided by the present invention is extremely durable. Compared to existing communication technologies which require extra hardware, the apparatus provided by the present invention is simpler and can be integrated into a single component.

Abstract: An electromechanical sensor and a method of sensing an object or a tactile input using the sensor. The sensor includes: a base provided with a magnetic sensor arranged to detect a change in magnetic flux at the position of the magnetic sensor; a flexible film adjacent to the magnetic sensor; and a magnetic element provided on the flexible film; wherein the magnetic element is arranged to move relative to the magnetic sensor when the flexible film is reversibly deformed by an external force applied to the flexible film.

Abstract: A tri-band omnidirectional dual-polarized antenna that includes a dielectric resonator, a first substrate containing a first feeding circuit; and a second substrate containing a second feeding circuit. The first substrate and the second substrate are both planar, which form a sandwiching structure with the dielectric resonator. The first and second feeding circuits are adapted to provide dual polarizations to three frequency bands. The antenna can be used in the tri-band wireless communication systems to provide large signal coverage and stable wireless access for mobile terminals.

Abstract: A method of constructing a micromechanical device by additive manufacturing for characterizing strength of a low dimensional material sample, the method including: a) deriving a three-dimensional representation arranged to represent a said micromechanical device with reference to at least one physical characteristic of a said low dimensional material sample; b) transforming the three-dimensional representation into a plurality of two-dimensional representations arranged to individually represent a portion of the three-dimensional representation; and c) forming the micromechanical device from a fluid medium arranged to transform its physical state by stereolithography apparatus in response to a manipulated illumination exposed thereto, whereby a said low dimensional material sample is loaded onto the formed micromechanical device.

Abstract: A device for signal generation including a unit cell. The unit cell contains two oscillators that are coupled in phase. Each oscillator operates at a fundamental frequency. Each oscillator further includes a slot structure, and the slot structures serve as, at a third harmonic of the fundamental frequency, a slot antenna radiating a third harmonic power. If the device contains multiple unit cell, then each unit cell is horizontally coupled out-of-phase and vertically in-phase with adjacent cells at the fundamental frequency in the device. Therefore, coherent radiation and power combining are achieved at the third harmonic.