Abstract: This disclosure is related to a non-contact tool center point calibration method for a robot arm, and the method comprises: obtaining a coordinate transformation relationship between a flange surface of the robot arm and cameras by a hand-eye calibration algorithm; constructing a space coordinate system by a stereoscopic reconstruction method; actuating a replaceable member fixed with the flange surface to present postures in a union field of view of the cameras sequentially, recording feature coordinates of the replaceable member in the space coordinate system, and recording flange surface coordinates which is under the postures in the space coordinate system; obtaining a transformation relationship between a tool center point and the flange surface; and updating the transformation relationship into a control program of the robot arm. Moreover, the disclosure further discloses a calibration device performing the calibration method and a robot arm system having the calibration function.

Abstract: Disclosed herein are a method and apparatus for matching 3D terrain information based on aerial images captured at different altitudes.

Abstract: Therapeutic formulations containing CD34+ stem cells derived from negative selection are described. The cells within the formulations can be genetically-modified for a number of therapeutic purposes. The disclosure is particularly useful for the treatment of patients with fragile stem cells or stem cells with low CD34+ expression levels.

Abstract: Disclosed herein are compounds, compositions, and methods for identifying substrates of E3 ubiquitin ligases. The proteins, vectors, compositions, and may be utilized in methods for orthogonal ubiquitin transfer (OUT) between variant components of the ubiquitin cascade such as a variant ubiquitin (UB), a variant ubiquitin activating enzyme (E1), a variant ubiquitin-conjugating enzyme (E2), and a variant ubiquitin ligase (E3), which may include a variant HECT type, U-box type, RBR type, and/or Ring type E3 ligase. The variant components of the ubiquitin cascade typically include one or more mutations relative to their wild-type counterparts, such as amino acid substitutions, such that the variant components interact specifically and orthogonally with each of their variant components and do not interact with the wild-type counterpart of their variant components.

Abstract: A tracer particle is provided. The tracer particle includes: a core structure; a nucleic acid molecule immobilized on the core structure; and a shell layer covering the core structure and the nucleic acid molecule; wherein the core structure has a first porosity, the shell layer has a second porosity, and the first porosity is greater than the second porosity.

Abstract: A composite structure and dispersion employing the same are provided. The composite structure includes 1 part by weight of silver nanowires, and 1.2 to 3 parts by weight of nanofibers, wherein the diameter of the silver nanowires and the diameter of the nanofibers have a ratio of 1:1 to 1:10.

Abstract: A model-based machine learning system for calculating optimum molding conditions includes a data storage device providing a set of training data; an injection molding process emulator producing a set of emulated sensing data according to molding conditions as inputted; an injection molding process state observation unit, determining an injection molding process state from molding conditions, sensing data and a quality state, wherein the quality state at least includes an acceptance state; and an injection molding process optimization unit including an injection molding condition optimizer, wherein a molding condition optimization model constructed in the injection molding condition optimizer is trained according to the injection molding process state as determined, and the molding condition optimization model after training is introduced into an injection molding production line.

Abstract: This system and method of for providing a tunable orbital angular momentum system for providing higher order Bessel beams comprising: an acousto-optical deflector configured to receive an input beam, deflect a first portion of the input beam a first deflection angle relative to an axis of propagation and along an optical axis and deflect a second portion of the input beam a second deflection angle relative to the optical axis; a line generator disposed along the optical angle for receiving the first portion and the second portion of the input beam and provide an elliptical Gaussian mean; a log-polar optics assembly disposed along the optical angle for receiving the elliptical Gaussian beam and wrapping the elliptical Gaussian beam with an asymmetric ring; and, a Fourier lens configured to receive the wrapped elliptical Gaussian beam.

Abstract: Disclosed herein are chimeric antigen receptor effector cells (CAR-ECs) and CAR-EC switches. The switchable CAR-ECs are generally T cells. The one or more chimeric antigen receptors may recognize a peptidic antigen on the CAR-EC switch. The CAR-ECs and switches may be used for the treatment of a condition in a subject in need thereof.

Abstract: Embodiments of the disclosure provide systems and methods for determining depth information in a two-dimensional (2D) image. An exemplary system may include a processor and a non-transitory memory storing instructions that, when executed by the processor, cause the system to perform the various operations. The operations may include receiving a first feature map based on the 2D image and applying an extraction network having a convolution operation and a pooling operation to the first feature map to obtain a second feature map. The operations may also include applying a reconstruction network having a deconvolution operation to the second feature map to obtain a depth map.

Abstract: The present invention relate to a method of extracting an optimum rank without considering a precoding matrix indicator (PMI) in a multiple-input multiple-output (MIMO) receiver, the method including calculating a correlation matrix from a MIMO channel matrix between a base station antenna and an MIMO receiver antenna; obtaining an eigenvalue from the correlation matrix; calculating channel capacity for each rank on the basis of the obtained eigenvalue; and selecting a rank corresponding to a channel capacity having a maximum value among the calculated channel capacities for each rank as an optimum rank.

Abstract: The present application discloses methods for preparing superhydrophobic nano-microscale patterned films, films pre-pared from such methods and uses of such films as superhydrophobic coatings. The superhydrophobic nano- microscale patterned films comprise high aspect ratio nanoparticles such as boron nitride nanotubes (BNNTs) and/or carbon nanotubes (CNTs).

Abstract: A memory page management method is provided. The method includes receiving a state-change notification corresponding to a state-change page, and grouping the state-change page from a list to which the state-change page belongs into a keep list or an adaptive LRU list of an adaptive adjusting list according to the state-change notification; receiving an access command from a CPU to perform an access operation to target page data corresponding to a target page; determining that a cache hit state is a hit state or a miss state according to a target NVM page address corresponding to the target page, and grouping the target page into the adaptive LRU list according to the cache hit state; and searching the adaptive page list according to the target NVM page address to obtain a target DRAM page address to complete the access command corresponding to the target page data.

Abstract: A postural sway analysis system is disclosed. The system includes a camera worn by an individual, a processing unit coupled to the camera, a floor marker placed on a floor near the shoes or feet of the individual. The camera is configured to acquire images of the floor marker, which has a known size or diameter, while the individual is standing. The processing unit is configured to capture an initial calibration image of the floor marker using the camera while an individual is standing still to determine the distance between the camera and the floor marker. The processing unit is further configured to capture subsequent time-varying images of the floor marker while the individual is standing (and swaying). Furthermore, the processing unit is configured to compare the calibration images to the subsequent time-varying images to determine a postural sway of the individual.

Abstract: The present invention relates to a three-dimensional (3D) tissue-like implant for transplanting to a subject in need comprising a cell cluster comprising mesenchymal stem cells (MSCs) and specific cells differentiated therefrom. The present invention also relate to a method of preparing a 3D-tissue-like implant from MSCs, particularly by seeding MSCs in alginate scaffolds and culturing the alginate scaffolds with MSCs in a 3-D perfusion condition. Further, the present invention provides a method for treating a defect in a recipient patient in need by administering a 3D tissue-like implant as described herein to the patient at a defective site e.g. a bone defective site.

Abstract: The invention discloses an indel molecular marker closely linked with pumpkin photoperiod insensitivity and application of the indel molecular marker, and belongs to the technical field of molecule detection. The indel molecular marker SEQ7593 is located on a tenth chromosome of a Cucurbita moschata, and is 280 bp in size. The nucleotide sequence of the indel molecular marker is shown as SEQ ID NO.1. The indel molecular marker SEQ7593 can be directly used for creating an assistant breeding system of photoperiod insensitivity character molecular markers. Primer amplification designed according to the Indel molecular marker can be applied to assistant breeding of pumpkin breed improvement molecules in a simple, rapid and high-throughput manner, technical support is provided for pumpkin photoperiod insensitivity molecular breeding, and time for conventional gene positioning is shortened greatly.

Abstract: A light emitting diode (LED) including a first contact. The LED further includes a first semiconductor layer over the first contact. The first semiconductor layer comprises hexagonal Boron Nitride. Additionally, the LED includes a second semiconductor layer over the first semiconductor layer. The second semiconductor layer comprises at least one hexagonal Boron Nitride quantum well and at least one hexagonal Boron Nitride quantum barrier. Moreover, the LED includes a third semiconductor layer over the second semiconductor layer. The third semiconductor layer comprises hexagonal Boron Nitride. Further, the LED includes a second contact over the third semiconductor layer.

Abstract: An antenna package structure comprises a substrate with a first surface and a second surface; a dielectric layer, disposed on the first surface of the substrate comprises at least a impedance matching structure and an interconnection structure; a molding layer, disposed on the dielectric layer comprises a plurality of chips wherein a control chip electrically connects to the impedance matching structure and a plurality of conducting structures; an antenna layer, disposed on the second surface of the substrate comprising at least an antenna electrically connects to the substrate; and a protection layer covers the antenna layer.

Abstract: A method of preparing a catalyst for a fuel cell includes no carbon support. The method of preparing a catalyst for a fuel cell includes preparing a first metal nanoparticle having a polyhedral shape, growing a second metal along the edge of the first metal nanoparticle, and removing the first metal nanoparticle.

Abstract: Methods of purifying mucin, purified mucin, and products comprising the purified mucin. The methods include combining a mucin-containing substance with water and one or more purification agents to form a purification mixture, incubating the purification mixture for a time sufficient to form a mucin precipitate in a liquid phase, and separating the mucin precipitate from the liquid phase. The purification agents include one or more of a surfactant, a chelating agent, and a protic solvent. The mucin purified from the methods can be used alone or in combination with a biopolymer such as a tannin and chitosan and can be used to generate materials in the form of a gel, a foam, a film, or a powder.