Abstract: A method for preparing a sustained-release antibacterial film includes: (1) mixing a cyclodextrin metal-organic framework (CD-MOF) material with a silver nitrate short-chain alcohol solution to prepare an intermediate material A; (2) mixing the intermediate material A with a caffeic acid short-chain alcohol solution to prepare an intermediate material B; (3) dispersing the intermediate material B in a solvent, adding a polydimethylsiloxane main agent and a PDMS auxiliary agent in sequence, and mixing well by stirring to obtain a casting solution; and (4) coating the casting solution on a film support material, conducting vacuum drying, and peeling off a film from the film support material to obtain the sustained-release antibacterial film. A mixed matrix-based film material in which the CD-MOF and the PDMS are physically blended is prepared based on CD-MOF and PDMS for the first time, and may be used in application researches of food, environment and other fields.

Abstract: Disclosed are a metal-organic framework composite and a preparation method and use thereof. The metal-organic framework composite includes a cyclodextrin metal-organic framework (CD-MOF) material, and nano-silver and caffeic acid that are loaded in the CD-MOF material; wherein the nano-silver is loaded at 4% to 5% of a total mass of the composite; and caffeic acid is loaded at 11% to 12% of the total mass of the composite. The method for preparing the metal-organic framework composite includes: placing a CD-MOF material in an ethanol solution containing silver nitrate to obtain a first mixture, and subjecting the first mixture to a dynamic contact reaction in the dark to obtain a CD-MOF loaded with nano-silver; and placing the CD-MOF loaded with nano-silver in an ethanol solution containing caffeic acid to obtain a second mixture, and subjecting the second mixture to an incubation in the dark to obtain the composite.

Abstract: Techniques for managing events that record occurrences in a computing environment are disclosed. The system identifies events, and the system applies event processing mechanisms to the events. The event processing mechanisms generate incidents to represent the events. The system presents an interface that demonstrates how the events are mapped to the incidents. A user may interact with the interface to modify the event processing mechanisms and/or define new event processing mechanisms. Furthermore, the system may identify a group of uncompressed events, and the system may determine a candidate compression policy that would generate a single incident to represent the group of uncompressed events. The system may generate the candidate compression policy by applying a trained machine learning model to the group of uncompressed events. The system may simulate applying the candidate compression policy, and the system may present the results of the simulated application to the user on the interface.

Abstract: Provided are an ultrafine gold nanocomposite, and a preparation method and use thereof. The preparation method of the ultrafine gold nanocomposite includes the following steps: mixing a cyclodextrin metal-organic framework (CD-MOF) material, chloroauric acid and a solvent to obtain a mixture, and subjecting the mixture to incubation to obtain the ultrafine gold nanocomposite.

Abstract: Disclosed are an oil-in-water (O/W) emulsion gel and a preparation method and use thereof, and a fat substitute. The O/W emulsion gel includes: starch nanoparticles with a content of 8 g/L to 40 g/L, curdlan with a content of 10 g/L to 30 g/L, an oil with a volume fraction of 10% to 30%, and water. The O/W emulsion gel could be used to prepare a fat substitute, especially the fat substitute prepared by 3D printing with various complex models.

Abstract: The present invention discloses multistage membrane apparatus and a method for separating gases from a crude gas stream a gas to be separated, a main remaining gas and optionally one or more further gas components, wherein in the apparatus comprises a feed stream separation stage, a first permeate separation stage and a second permeate separation stage, each stage being a membrane separation stage with gas separation membranes.

Abstract: Provided are a Ganoderma lucidum compound preparation, and a preparation method and use thereof. The preparation method includes: mixing a superfine powder of a Ganoderma lucidumfruiting body, ?-cyclodextrin and a part of water to allow embedding to obtain a first feed liquid; mixing the first feed liquid with a composite colloid stabilizer solution to obtain a second feed liquid, a colloid stabilizer in the composite colloid stabilizer solution including at least three agar, guar gum, locust bean gum, carrageenan, and xanthan gum; mixing the second feed liquid with a metal ion solution to allow adjustment to acidic and shearing sequentially to obtain a third feed liquid, metal ions in the metal ion solution including iron ions, calcium ions, or zinc ions; and mixing the third feed liquid with remaining water, subjecting a resulting mixture to homogenization and heating sequentially to obtain the Ganoderma lucidum compound preparation.

Abstract: Provided are a food additive for dispersing a Ganoderma lucidum powder and a method for rapidly dispersing a Ganoderma lucidum powder. The food additive for dispersing a Ganoderma lucidum powder includes a plant polyphenol and a metal-derived food additive in a mass ratio of (50-2,500):(0.1-0.2). The method for rapidly dispersing a Ganoderma lucidum powder with the food additive includes: mixing an aqueous solution of the plant polyphenol with the Ganoderma lucidum powder to obtain a Ganoderma lucidum/polyphenol mixed solution; and thoroughly mixing an aqueous solution of the metal-derived food additive with the Ganoderma lucidum/polyphenol mixed solution.

Abstract: Disclosed are a zirconium-based metal-organic framework material and a preparation method thereof. Plasma-activated water or strong acid electrolyzed water is added to a raw material system for preparing a zirconium-based metal-organic framework material UiO-66, and they are then subjected to a reaction to obtain a crude product. The crude product is subjected to a post-treatment to obtain the zirconium-based metal-organic framework material UiO-66.

Abstract: The present disclosure provides use of an intestinal probiotic in preparation of a medicament that promotes metabolism of ellagic acid (EA) into urolithin A, a pharmaceutical composition and use thereof, and belongs to the technical field of biomedicine. In the present disclosure, probiotics capable of changing metabotypes of EA are selected from a plurality of probiotics. These probiotics alone or in combination can change an intestinal flora structure of a metabotype B and/or 0 population, thereby improving the efficiency of the metabolism of EA into urolithin A and increasing a yield of urolithin A. The present disclosure provides an intestinal probiotic for involving in and promoting the metabolism of EA into urolithin A, and provides a new idea for the treatment of diabetes, obesity, senescence, and diseases caused by central nervous system lesions and viral infection using urolithin A as an active pharmaceutical ingredient.

Abstract: The present disclosure provides a water-soluble dietary fiber (WSDF), use thereof in preparation of a medicament that promotes metabolism of ellagic acid (EA) into urolithin A, and a pharmaceutical composition, and belongs to the technical field of biological pharmaceuticals. The WSDF provided by the present disclosure includes at least two components selected from the group consisting of gellan gum, guar gum, carrageenan, fructooligosaccharide, xylooligosaccharide, malto-oligosaccharide, pectin, ?-glucan, polydextrose, sodium alginate, gum arabic, resistant dextrin, xanthan gum, tragacanth gum, and inulin. In the present disclosure, compounding the foregoing different combinations of the WSDF and EA to feed mice may significantly increase the average urolithin A content in mouse feces.

Abstract: Techniques are described herein for automatically pre-constructing bundles of play-items based on the degree of synergy between the play-items. The degree of synergy between play-items is determined empirically, based on contents of player-constructed game-sets and outcomes of actual games using those game-sets. Automatically pre-constructing bundles involves generating pairwise synergy scores between every possible pair of play-items, and then (for bundles containing more than two items) using those pairwise synergy scores to determine bundle-wise synergy scores. Techniques are provided for identifying candidate bundle(s) of play-items to offer or award to a player. The candidate bundles are determined based on synergies between the play-items in each of the pre-constructed bundles and the play-items in the player's specific game-set.

Abstract: The present disclosure discloses a preparation method of porous starch for encapsulating probiotic, and belongs to the field of food processing. The present disclosure provides porous starch with controllable pore size and morphology by regulating the ratio of amylose to amylopectin (quantitative compounding), keeping starch hydroxyl sites exposed (concentration cultivation), and building interfacial tension to stretch starch chains (convection drying), and uses the porous starch to encapsulate probiotics, which can improve the retention rate of probiotics, reduce the loss of probiotics during food processing and transportation, and thus retain the biological functions of probiotics to a maximum extent.

Abstract: A preparation method for a nanopore starch-based adsorbent. The method mainly comprises: constructing a large number of lamellar crystals on surfaces of starch granules, and inducing the formation of a nano-scale pore channel structure by means of the lamellar crystals. A large number of control tests have proved that the flaky crystals have direct influence on the formation of the nano-scale pore channel structure. The construction of a pore channel structure in a starch matrix material greatly increases the specific surface area, and improves the adsorption properties. In addition, the method is beneficial to the introduction of functional particles (magnetic particles), and avoids the problem of pore channel blockage due to first forming pores and then introducing functional particles.

Abstract: A positioning information processing method and apparatus are disclosed, and are used to correct positioning information. A first apparatus determines first positioning information corresponding to a location of the first apparatus, where a coordinate range of the first positioning information is in a first area. The first apparatus sends first information to a second apparatus, where the first information indicates the first area. The first apparatus receives map topology information of the first area from the second apparatus. The first apparatus corrects the first positioning information based on the map topology information, to obtain second positioning information. The first apparatus corrects the positioning information based on the map topology information sent by the second apparatus, without a need to transmit coordinate point information of the first apparatus.

Abstract: A method for preparing a sustained release antibacterial film includes: (1) mixing a cyclodextrin metal-organic framework (CD-MOF) material with a silver nitrate short-chain alcohol solution to prepare an intermediate material A; (2) mixing the intermediate material A with a caffeic acid short-chain alcohol solution to prepare an intermediate material B; (3) dispersing the intermediate material B in a solvent, adding a polydimethylsiloxane main agent and a PDMS auxiliary agent in sequence, and mixing well by stirring to obtain a casting solution; and (4) coating the casting solution on a film support material, conducting vacuum drying, and peeling off a film from the film support material to obtain the sustained-release antibacterial film. A mixed matrix-based film material in which the CD-MOF and the PDMS are physically blended is prepared based on CD-MOF and PDMS for the first time, and may be used in application researches of food, environment and other fields.

Abstract: The present invention discloses an ultrasound-electrode-nano-porous membrane coupling hydrogen production and sterilization system, which comprises a vessel and a plurality of hydrogen production units arranged in the vessel. The hydrogen production unit comprises a cavity, and a broadband ultrasonic generator and a circular hydrogen production electrode located in the cavity. The circular hydrogen production electrode wraps around the broadband ultrasonic generator. A bottom membrane at the bottom of the cavity is hydrophobic at the inner side and hydrophilic at the outer side, and a side membrane of the cavity is hydrophilic at the inner side and hydrophobic at the outer side and is mounted vertically or obliquely upwards by an angle of 0-45 degrees.

Abstract: Disclosed are a caffeic acid-based composite material and a preparation method thereof. The method includes: exposing a cyclodextrin metal-organic framework material prepared from ?-cyclodextrin to a solution of caffeic acid in a short-chain alcohol to obtain a mixed material; and incubating the mixed material, wherein during the incubating, the cyclodextrin metal-organic framework material is in dynamic contact with the solution of caffeic acid in a short-chain alcohol. The prepared composite material includes a cyclodextrin metal-organic framework material and caffeic acid loaded on the cyclodextrin metal-organic framework material, wherein the cyclodextrin metal-organic framework material is prepared from ?-cyclodextrin. The caffeic acid is loaded in an amount of 15-18% of a total mass of the caffeic acid-based composite material. The caffeic acid is located in a cavity of the cyclodextrin metal-organic framework material.

Abstract: Provided are a lycium barbarum leaf polysaccharide rich in galacturonic acid and a preparation method and use thereof. The method includes: mixing a lycium barbarum leaf and an acetone aqueous solution to obtain a mixture, and performing a fading treatment on the mixture to obtain a faded lycium barbarum leaf; extracting the faded lycium barbarum leaf with a chelating agent solution to obtain an extract solution; subjecting the extract solution to an alcohol precipitation with ethanol to obtain an alcohol precipitate; and subjecting the alcohol precipitate to an alcohol washing, a water redissolution, a dialysis and a drying in sequence to obtain the lycium barbarum leaf polysaccharide rich in galacturonic acid.

Abstract: Techniques for suppressing notifications are disclosed. An incident may repeatedly flap between various resolved and unresolved states. Furthermore, other incident attributes may flap between various states such as, for example, varying levels of incident severity. Each change in state results in the transmission of a notification. In order to reduce the number of notifications, the system estimates a flapping window for the incident based on the flapping behavior of prior incidents. The system computes a notification suppression window based at least in part on the estimated flapping window. The system suppresses notifications corresponding to changes in incident state that are detected during the notification suppression window. The notification suppression window may be extended in response to extending the estimated flapping window.