Abstract: Disclosed is a Lactobacillus plantarum and an application thereof in the production of urolithin A, belonging to the technical field of biology. The disclosure provides a Lactiplantibacillus plantarum CCFM1290 preserved in Guangdong Microbial Culture Collection Center (GDMCC) with a preservation number of GDMCC No: 62801 and a preservation date of Sep. 15, 2022. The L. plantarum CCFM1290 may convert ETs into various Uros represented by Uro-A. A fermented product or compound preparation provided by the disclosure may relieve muscle function damage. Compared with a control group, the fermented product and compound preparation may improve the swimming capability of Caenorhabditis elegans by 33.84% and 27.99%. Finally, Uro-type substances such as Uro-A obtained by this biosynthesis method may be applied to functional food development to achieve beneficial effects of delaying senescence, keeping muscles healthy, etc.

Abstract: Embodiments of this specification provide an FHE chip and a computing device. The FHE chip includes a MIN and n PEs, and n is an integer greater than 1. The n PEs are configured to execute n operation tasks that belong to a ciphertext operation in parallel in a process of performing the ciphertext operation on target ciphertext by the FHE chip, where the target ciphertext is obtained by processing raw data based on an FHE algorithm. The MIN is configured to support a first PE in transmitting switching data to a second PE, where the switching data belongs to an operation result generated by the first PE by executing the operation task, and the first PE and the second PE belong to the n PEs.

Abstract: An ophthalmic preparation of a tyrosine kinase inhibitor suitable for eye drop administration is prepared from the following active ingredients and adjuvants in parts by weight: active ingredient: 0.5-1.5 parts of tyrosine kinase inhibitor, wherein the content of the active ingredient in the ophthalmic preparation is 0.1-1 mg/mL; and pharmaceutically acceptable adjuvants: 200-300 parts of the surfactant, 0.5-7.0 parts of the tackifier, 10-800 parts of the solubilizer, with the balance being solvent. The ophthalmic preparation can effectively deliver the active ingredient to the fundus oculi to treat fundus angiogenesis diseases, with high absorption and utilization rate, small particle size and good stability, which are suitable for preparing sterile preparation by means of microporous filter membrane sterilization method and/or high-temperature sterilization method.

Abstract: A method, a network device, and a non-transitory computer-readable storage medium are described in relation to an IAB backhaul sharing among co-located radio sites service. The IAB backhaul sharing among co-located radio sites service may include a traffic balancing service that performs access link bandwidth management and allocation to integrated access and backhaul (IAB) nodes based on bandwidth assessment of IAB backhaul links and bandwidth demands of IAB nodes. The service may further include a scheduling service that includes localized scheduling and load balancing at each IAB node of user traffic based on an allocated bandwidth provided by the traffic balancing service. The scheduling service may include an integrated schedule between co-located radio sites associated with the IAB node.

Abstract: This hot-deformed R—Fe—B magnet for a variable-magnetic-force motor is an R2—Fe14—B (R is at least one rare earth element selected from among Nd, La, Ce, and Y)-based hot-deformed magnet, including, in atom %, 12.2% or more and 14.5% or less of R2(Nd1-x-y-zLaxCeyYz), where (0.0?x?0.2, 0.0?y+z?0.3), 5% or more and 6.5% or less of B, 0.0% or more and 5.0 or less of Co, and 0.0% or more and 1.0 or less of Ga, with the balance being made up of Fe and inevitable impurities.

Abstract: The invention pertains to a measuring system for the conductivity of supercritical geothermal fluid, featuring a reaction control unit with a reaction vessel lined with corundum ceramic and containing a stirrer, a pressure control unit including a booster pump connected to Ar gas and an air compressor, a flow control unit with a flowmeter, and a temperature control unit comprising a heating furnace with thermocouples both inside and outside the reaction chamber. An electrical signal monitoring unit with electrodes fitted through a corundum capillary into the ceramic lining measures current and voltage. The invention also details a method for measuring conductivity, highlighting how water-rock interactions in supercritical geothermal fluids affect conductivity changes.

Abstract: A carrier or auxiliary material of an ophthalmic preparation, a preparation method therefor, and an application thereof, relating to the field of ophthalmic drug delivery. The carrier or auxiliary material of the ophthalmic preparation contains components such as a surfactant and an ionic polymer, and also contains a solvent. Or, the carrier or auxiliary material of the ophthalmic preparation contains components of low-polymerization-degree povidone and medium-polymerization-degree povidone, and also contains a solvent. Spherical nanobodies are formed in the solvent by the component contained in the carrier or auxiliary material of the ophthalmic preparation, have a particle size of 1-100 nm, and can be self-assembled to form spherical nanospheres having a particle size of 10-2000 nm. The administration carrier can wrap a drug through an anterior segment to efficiently deliver the drug to a posterior segment to play a therapeutic action.

Abstract: The invention pertains to a measuring system for the conductivity of supercritical geothermal fluid, featuring a reaction control unit with a reaction vessel lined with corundum ceramic and containing a stirrer, a pressure control unit including a booster pump connected to Ar gas and an air compressor, a flow control unit with a flowmeter, and a temperature control unit comprising a heating furnace with thermocouples both inside and outside the reaction chamber. An electrical signal monitoring unit with electrodes fitted through a corundum capillary into the ceramic lining measures current and voltage. The invention also details a method for measuring conductivity, highlighting how water-rock interactions in supercritical geothermal fluids affect conductivity changes.

Abstract: The present disclosure relates to a Bifidobacterium longum CCFM1206 capable of producing sulforaphane and relieving inflammation, and belongs to the field of microbial technology. B. longum CCFM1206 provided by the present disclosure can convert glucoraphanin to sulforaphane, promoting the metabolism of glucoraphanin and the generation of sulforaphane in mammals. The B. longum CCFM1206 according to the present disclosure can be used alone or in combination with glucoraphanin to relieve weight loss during ulcerative colitis, reduce the release of pro-inflammatory factors from the colon, improve the colonic barrier function, relieve the splenomegaly due to systemic inflammation, reduce the levels of pro-inflammatory factors in the serum, reduce the levels of pro-inflammatory factors in the liver tissues and increase the levels of anti-inflammatory factors, and increase the levels of short-chain fatty acids.

Abstract: In an embodiment, the present disclosure pertains to a cavitation generation device that includes a dactyl plunger rotatable about an axis between an open position and a closed position and a propus socket having a channel. The propus socket is rigidly mounted below the dactyl plunger, and the dactyl plunger is received into the propus socket when the dactyl plunger is in the closed position. The cavitation generation device can also include a torsion spring that biases the dactyl plunger into contact with the propus socket. In another embodiment, the present disclosure pertains to a method of inducing a cavitation including biasing a dactyl plunger via a torsion spring, and rotating the dactyl plunger, by action of the torsion spring, into a propus socket. The propus socket includes a nozzle-shaped channel. The method further includes ejecting a socket cavity volume through the nozzle-shaped channel thereby inducing a cavitation event.

Abstract: Disclosed is a diacylglycerol acyltransferase 1, a recombinant Saccharomyces cerevisiae containing the diacylglycerol acyltransferase 1, and application thereof in production of triacylglycerol. The diacylglycerol acyltransferase 1 of the invention has a function of catalyzing synthesis of triacylglycerol. After the recombinant Saccharomyces cerevisiae containing the diacylglycerol acyltransferase 1 of the invention is subjected to induction culture for 48 h, the content of total fatty acid and triacylglycerol in the recombinant Saccharomyces cerevisiae containing the diacylglycerol acyltransferase 1 can be respectively increased by 1.94 folds and 12.09 folds as compared with those of Saccharomyces cerevisiae without the recombinant diacylglycerol acyltransferase 1. The instant invention provides a method for improving the ability of microorganisms to produce polyunsaturated fatty acids (PUFAs) by means of genetic engineering.

Abstract: The present disclosure discloses a strain of highly organic zinc-enriched Bifidobacterium animalis capable of promoting growth and reproductive development, belonging to the technical field of microorganisms. The B. animalis CCFM1230 screened by the present disclosure can efficiently enrich inorganic zinc and convert same into organic zinc, which is better absorbed and utilized by organisms, and effectively promotes growth and reproductive development. Animal experiments have proved that zinc-rich B. animalis can promote the growth and reproductive development of male rat pups, exert higher biological activity than inorganic zinc, and meet the physiological requirements of zinc supplementation. According to the present disclosure, the B. animalis CCFM1230 can efficiently enrich inorganic zinc for the preparation of a probiotic preparation capable of promoting growth and reproductive development, and thus has great application prospects in the field of food or medicine.

Abstract: Potassium chloride cotransporter-2 (KCC2) plays a critical role in brain function, and deficiency in KCC2 has been linked to neurological diseases, psychiatric disorders, and central nervous system injuries. In particular, Rett syndrome (RTT), a severe neurodevelopmental disorder caused by mutations in the X-linked gene Methyl CpG binding Protein 2 (MECP2), has been linked to deficits in KCC2. The disclosure reports the use of CRISPR/Cas9 genome-editing technology to generate stem cell-derived, genetically defined KCC2 reporter human neurons for large-scale compound screening. This screening platform has been utilized to identify a number of small molecule compounds that are capable of enhancing KCC2 expression in both wild-type and RTT neurons, as well as organotypical brain slices cultured from wild-type mice.

Abstract: Provides is a method for denitration of carbothermally reduced iron-containing nonferrous metal smelting slag mixed with advanced oxidizer. In the method, the iron-containing smelting slag is subjected to carbothermal reduction, such that metals or metal oxides in the smelting slag are reduced and transformed into active catalysts which could activate hydrogen peroxide to generate free radicals. Hydrogen peroxide is catalytically decomposed, generating ·OH free radicals, and ·OH free radicals generated further oxidize NOx.

Abstract: A breath capture and analysis system includes a breath inlet for capturing a user's breath. The breath is drawn into the system and retained for analysis. The system includes a membrane that allows volatile organic compounds contained in the breath to pass therethrough. The volatile organic compounds pass into a vacuum chamber that includes a residual gas analyzer that is configured to analyze the volatile organic compounds. The analyzed breath is then vacated from the system.

Abstract: The present disclosure provides a method of training a video tag recommendation model, a method of determining a video tag, an electronic device, and a storage medium. The video tag recommendation model includes a video feature extraction network and a tag feature extraction network. The method of training the video tag recommendation model includes: obtaining a first video feature of a video sample by using the video feature extraction network; inputting a first tag as a positive sample to the tag feature extraction network, so as to obtain a first feature of the first tag; inputting a second tag as a negative sample to the tag feature extraction network, so as to obtain a second feature of the second tag; and training the video tag recommendation model according to the first video feature, the first feature, the second feature, and a predetermined loss function.

Abstract: Photodetectors based on colloidal quantum dots and methods of making the photodetectors are provided. Also provided are methods for doping films of colloidal quantum dots via a solid-state cation exchange method. The photodetectors include multi-band photodetectors composed of two or more rectifying photodiodes stacked in aback-to-back configuration. The doping methods rely on a solid-state cation exchange that employs sacrificial semiconductor nanoparticles as a dopant source for a film of colloidal quantum dots.

Abstract: A breath capture and analysis system includes a breath inlet for capturing a user's breath. The breath is drawn into the system and retained for analysis. The system includes a membrane that allows volatile organic compounds contained in the breath to pass therethrough. The volatile organic compounds pass into a vacuum chamber that includes a residual gas analyzer that is configured to analyze the volatile organic compounds. The analyzed breath is then vacated from the system.

Abstract: A method and an apparatus for detecting bending stiffness and a method for testing a display panel. The method for detecting bending stiffness includes: arranging an object to be tested on a reference surface to make a stationary portion and a rotating portion of the object to be tested attached to the reference surface, the stationary portion and the rotating portion being connected to each other; driving the rotating portion to bend from the reference surface toward the stationary portion, and acquiring a rotation angle between the rotating portion and the reference surface; acquiring a bending force received by the rotating portion when the rotating portion is bent from the reference surface toward the stationary portion; and determining bending stiffness of the object to be tested on the basis of the bending force and the rotation angle.

Abstract: Disclosed is a device for moving a liquid in a substantially loss-free operation, the device made of at least a photothermal film; a pyroelectric crystal over the photothermal film; and a superomniphobic surface over the pyroelectric crystal, wherein the device is configured to move the liquid in the substantially loss-free operation with a beam of light.