Abstract: A device and method for directing a cannula toward a target location under a patient's skin. The device is handheld and the device operations may be automated. The device includes an imaging probe for imaging the target location, a positioning unit for manipulating a cannula towards the target location, and a processor. The processor receives imaging data from the imaging probe, cannula pose data from at least one cannula position sensor, and device pose data from at least one device position sensor. The target location is identified from the imaging data, and a trajectory for manipulating the cannula towards the target location is determined based on the imaging data, the cannula pose data, and the device pose data. The processor may determine that the trajectory becomes misaligned with the target position, and may update to a corrected trajectory based on the imaging data, cannula pose data, and device pose data.

Abstract: A multi-band LED disinfection system and a multi-band LED disinfection lamp are provided. The multi-band LED disinfection system comprises a multi-band LED disinfection device; and a control terminal, which is connected to and controls the multi-band LED disinfection device. The control terminal sends a wavelength band control command to the multi-band LED disinfection device according to a disinfection target, and the multi-band LED disinfection device drives LED beads of corresponding wavelength bands. Different wavelength bands of ultraviolet light can be provided to achieve the disinfection of various germs, which leads to better sterilization and disinfection effects. A control module can be used to switch between disinfection of a certain wavelength band and disinfection of superposed wavelength bands.

Abstract: A slurry monitoring device, a CMP system and a method of in-line monitoring a slurry are provided. The slurry monitoring device incudes a slurry metrology cell, a plurality of light sources, at least one optical lens, and at least one optical detector. The slurry metrology cell accommodates a slurry. The light sources emit light beams on the slurry in the slurry metrology cell. The at least one optical lens is disposed between the plurality of light sources and the slurry metrology cell. The at least one optical lens modifies a size of a light spot of the light beams impinged on the slurry. The at least one optical detector detects an intensity of the light beams scattered by abrasive particles in the slurry.

Abstract: A filtering mask includes a first filter pack provided with a filtration cartridge, two ventilation portions, a conduit, and a mask tube, wherein the filtration cartridge is disposed between the two ventilation portions, and the filtration cartridge is coupled in fluid communication with the conduit; a second filter pack provided with a filtration medium and a wrapper; wherein the filtration medium is disposed within the wrapper that is arranged around the conduit and the mask tube, and the second filter pack and the first filter pack are configured to be movably combined; and a supporting member detachably disposed between the first filter pack and the second filter pack.

Abstract: A wrench with anti-penetration effect has a body, at least one wrench head, and at least one abutting unit. The at least one wrench head is formed on an end of the body and has at least one engaging portion disposed on an inner side of the at least one wrench head. Each one of the at least one engaging portion has two engaging faces connected to each other with an included angle and disposed between a top surface and a bottom surface of the at least one wrench head. The at least one abutting unit is transversally formed on the top surface of the at least one wrench head by punching and extended out of the inner side of the at least one wrench head.

Abstract: The present disclosure provides catalysts comprising zinc and one or more ligands that improve the hydration of carbon dioxide at a zinc metal center, including but not limited to ethylenediaminetetraacetic acid and its derivatives. In certain embodiments, one or more of the ligands on the zinc is water that is replaced with carbon dioxide. In certain embodiments, the zinc catalyst coordinates an appropriate carbon dioxide adsorption solvent to reduce the activation energy for carbon dioxide hydration. Methods and apparatuses that are designed to efficiently utilize sorbents with improved sorption and desorption characteristics, such as those that include an inorganic catalyst or modified carbonic anhydrase, are also disclosed.

Abstract: An all-terrain vehicle includes a frame unit including a chassis. Disposed on the frame unit are an engine and a transmission assembly connected to the engine. An air filter is connected to the engine. A steering assembly is disposed on the frame unit and distal from the air filter and the transmission assembly. A first air intake pipe is connected to the air filter, and has a first air inlet that is proximate to the steering assembly and that is above the chassis. A second air intake pipe is connected to the transmission assembly, and has a second air inlet that is proximate to the steering assembly and that is above the chassis.

Abstract: A curing device includes a housing, a carrying plate, a moving assembly, and a light source. The housing defines an opening, The carrying plate is used for carrying a jig. The jig is used for receiving a product and an adhesive, and the jig includes a light transmitting area. The moving assembly is received in the housing and connected to the carrying plate for driving the carrying plate to move into and out of the housing from the opening. The light source is arranged in the housing for irradiating the light transmitting area of the jig to cure the adhesive in the jig. The disclosure also provides a curing apparatus.

Abstract: A transmission system of an all-terrain vehicle (ATV) includes a transmission unit including a driving module that includes two axles and a differential connected to the axles, and a switching unit including a differential switching mechanism that includes a bifurcate fork connected to the differential and that has an elongated groove being elongated in a front-rear direction, a connecting pin parallel to the axles, extending through the bifurcate fork, and connected fixedly to the differential, an actuating shaft extending into the elongated groove, and an actuating motor driving the actuating shaft to rotate, thereby driving the bifurcate fork to move along the connecting pin via connection between the elongated groove and the actuating shaft and switching the differential between lock and unlock states.

Abstract: A golf club head includes a crown surface having an apex at a highest point and extending between the face, the rear, the heel and the toe of the golf club head. The golf club head also includes a plurality of crown turbulators projecting from the surface of the crown and located between the face and the apex, wherein each adjacent pair of crown turbulators is separate and spaced apart to define a space between the adjacent pair of crown turbulators.

Abstract: A robotic system may include a chassis as well as a first leg and a second leg operatively coupled to the chassis. The first leg and the second leg may be configured to move in a vertical direction to move the chassis in a vertical translational degree of freedom. The robotic system may include a proximal conveyor, a first segment including a first segment conveyor extending along a length of the first segment, and a gripper including a distal conveyor extending along a length of the gripper. A first joint between the proximal conveyor and the first segment may be configured to provide a first rotational degree of freedom between the first segment and the proximal conveyor. A second joint between the gripper and the first segment may be configured to provide a second rotational degree of freedom between the first segment and the gripper.

Abstract: The present disclosure provides compositions and methods of use for a Type VI CRISPR/Cas nuclease. Type VI CRISPR/Cas nucleases are able to bind to a target nucleic acid, thereby activating trans-collateral nuclease activity on nucleic acid reports. Furthermore, the present disclosure provides methods to modify ribonucleic acid sequences using the programmable nucleases disclosed herein.

Abstract: A method of forming a memory device including providing a base wafer that includes a substrate, an insulation layer over the substrate, a sacrificial layer over the insulation layer, and a plurality of channel layers embedded in the sacrificial layer and the insulation layer, forming a plurality of grooves in the sacrificial layer each exposing a portion of the insulation layer and separating two adjacent rows of the channel layers, filling the plurality of grooves with an insulation material to form a plurality of spacers, removing the sacrificial layer to form a plurality of trenches that expose portions of the insulation layer and a portion of a sidewall of each of the channel layers, and forming a plurality of gate layers in the trenches.

Abstract: The disclosure provides compositions and methods that combine the benefits of different genetic analysis methods by performing simultaneous genetic analysis on a single pool of different libraries that were generated for different approaches, such as a combined library comprising a LPWG library and a target-enriched library.

Abstract: A chassis assembly includes: a chassis; a lifting connecting rod assembly arranged on the chassis; and a lifting power assembly, including a lifting bracket pivotally connected to one end of the lifting connecting rod assembly and a lifting drive mechanism arranged on the chassis and connected to the lifting bracket, wherein the lifting bracket includes a sleeve portion having a cylindrical hollow cavity; the lifting drive mechanism includes: a lead screw penetrating through the sleeve portion, a screw nut fixed to the sleeve portion and in thread fit with the lead screw, and a power output unit drivingly connected to the lead screw; and the power output unit is configured to cause the lead screw to rotate to drive the screw nut and the lifting bracket to rise or fall synchronously relative to the chassis. An automatic guided vehicle having the chassis assembly is included.

Abstract: A method, detection assay, and kit for rapidly detecting mutations of the SARS-COV-2 virus includes preparing a detection assay, performing an asymmetric real time-polymerase chain reaction (RT-PCR) on the detection assay using a Mic Real Time PCR cycler, and analyzing a melting curve to detect peaks at a 484 and a 501 codon of a gene, or detect peaks at a 452 codon and a 478 codon of a gene. The method, detection assay, and kit also provides for detecting of the SARS-COV-2 virus and mutations thereof. Disclosed is a high-throughput test that can detect multiple variants of the SARS-COV-2 virus within two-and-a-half hours, and is a major advance in tracking the virus and in treating patients. The test can detect UK, Brazil, South African, and Omicron variants, as well as others containing, for example, a key E484K mutation, which are gaining prominence as the virus evolves.

Abstract: The present application provides an iron-manganese-based positive electrode material, and a preparation method therefor and the use thereof. The preparation method comprises the steps of: S1, subjecting an inorganic compound of lithium and a FexMny(OH)2 precursor to oxidation sintering to obtain an intermediate product, wherein 0<x<1.0, 0<y<1.0, and x+y=1, and the ratio of the molar amount of Li in the inorganic compound of lithium to the total molar amount of Fe and Mn in the FxMny(OH)2 precursor is (0.1-0.5):1; and S2, subjecting the intermediate product to a second sintering under nitrogen or first inert gas atmosphere conditions to obtain the iron-manganese-based positive electrode material.

Abstract: A method for recycling silver from a waste IC chip include: heating to disassemble an IC chip, and crushing the IC chip into powders; adding the powders to a nitric acid solution, heating, centrifuging and collecting a first filtrate; adding soluble starch to the first filtrate, where a mass concentration ratio of the soluble starch to Fe in the first filtrate is 5.20-7.30; heating a resulting mixture to 130-175° C. for a first hydrothermal reaction, separating a precipitate from the first hydrothermal reaction and collecting a second filtrate; heating the second filtrate to 160-230° C. for a second hydrothermal reaction, separating a solid from the second hydrothermal reaction and collecting a third filtrate; drying, grinding, and sieving the solid to obtain silver powders; and adding alkali to the third filtrate to form a precipitate of Cu, and separating the precipitate to yield copper hydroxide.

Abstract: Cement mixtures comprising a hydration retarder comprising algae, cement additives comprising algae and/or derivatives thereof, and methods of forming and using the mixtures and additives are disclosed. The algae can be treated to form desired functional groups to tune retardation properties of the hydration retarder.

Abstract: A method for forming a 3D memory device includes forming an array wafer based on a first substrate having at least one cell region for forming a plurality of memory cells and at least one string structure region for forming a string structure; forming a first complementary metal-oxide-semiconductor (CMOS) wafer based on a second substrate having at least one string driver region corresponding to the at least one string structure region, and at least one page buffer high-voltage (HV) circuit region corresponding to the at least one cell region; forming a second CMOS wafer based on a third substrate having at least one page buffer region corresponding to the at least one cell region; and forming the 3D memory device based on the array wafer, the first CMOS wafer, and the second CMOS wafer stacked together.