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Porous microparticles with solid cores

The present invention relates to microparticles, particularly spherical silica microparticles, which may be useful in liquid chromatography. Specifically, the microparticles include a solid core and an outer porous shell surrounding and irreversibly joined to the core. The shell is composed of a plurality of colloidal nanoparticles, which are applied using an electrostatic multi-multilayering method. The resulting microparticles have a small particle diameter, such as about 1 μm to 3.5 μm, a high particle density, such as about 1.2 g / cc to 1.9 g / cc, and a high surface area, such as about 50 m2 / g to 165 m2 / g. These microparticles can be used to form packed beds and liquid chromatographic columns, which are more efficient and rugged than conventional liquid chromatographic columns.
Owner:ADVANCED MATERIALS TECHNOLOGIES

Mask liquid with multiple skin care effects and preparation method thereof

The invention discloses mask liquid with multiple skin care effects and a preparation method thereof, aims at providing mask liquid which has effects of skin whitening, speckle removing, wrinkle smoothing, inflammation relieving and diminishing, long-lasting moisturizing and grease balancing, and belongs to the technical field of cosmetics. According to the technical scheme, the mask liquid is prepared from, by weight, 0.5%-3% of sericin, 3.011%-14.02% of a plant extract, 1.11%-8.35% of a moisturizer, 8%-15% of polyalcohol, 0.1%-1.5% of active peptides, 0.08%-0.15% of Carbomer, 0.08%-0.15% of triethanolamine, 0.02%-0.06% of disodium EDTA, 0.3%-0.5% of a preservative and the balance deionized water.
Owner:GUANGDONG BAWEI BIOLOGICAL TECH CO LTD

Diarylalkanes as potent inhibitors of binuclear enzymes

InactiveUS20050267047A1Prevent browning and color changeAvoid damageAntibacterial agentsOrganic active ingredientsChemistryOverproduction
The present invention implements a strategy that combines an enzyme inhibition assay with a chemical dereplication process to identify active plant extracts and the particular compounds—diarylalkanes and / or diarylalkanols within those extracts that specifically inhibit binuclear enzyme function. Included in the present invention are compositions of matter comprised of one or more of diarylalkanes and / or diarylalkanols, which inhibit the activity of binuclear enzymes, particularly tyrosinase and which prevent melanin overproduction. The present invention also provides a method for inhibiting the activity of a binuclear enzyme, particularly tyrosinase and a method for preventing and treating diseases and conditions related to binuclear enzyme function. The present invention further includes a method for preventing and treating melanin overproduction and diseases and conditions of the skin related thereto. The method for preventing and treating diseases and conditions related to binuclear enzyme function and melanin overproduction is comprised of administering to a host in need thereof an effective amount of a composition comprising one or more diarylalkanes and / or diarylalkanols synthesized and / or isolated from one or more plants together with a pharmaceutically acceptable carrier.
Owner:UNIGEN PHARM INC

Display device and electronic product

ActiveCN108520702ASatisfy the big screen and big field of viewEasy to carryDigital data processing detailsIdentification meansTorsion springEngineering
The invention relates to a display device. The device comprises a wound sheet having a first portion and a second portion, a fixed support, a movable support and a reel mechanism, and the wound sheetcomprises a flexible display screen and a curtain support layer; the fixed support is used for supporting the first portion; the movable support is used for supporting the second portion; the movablesupport slides relative to the fixed support; the reel mechanism is used for winding the second portion; the reel mechanism is mounted at one end of the movable support; the winding mechanism includesa reel sleeve, a torsion spring for driving the reel sleeve to rotate and retract through pretightening force and a support shaft for supporting the torsion spring; the support shaft is fixed to themovable support. According to the above display device, when the wound sheet is unfolded, the flexible display screen can all be displayed, good rigidity can be maintained, and the requirements of touch control or other operations are met; when the second portion of the wound sheet is wound, the entire display device is reduced in size and easy to carry. The invention also discloses an electronicproduct.
Owner:GUANGZHOU GOVISIONOX TECH CO LTD

Composite component of alkaline-resisting mesh cloth plastering

The invention relates to a composite component of alkaline-resisting mesh cloth plastering, relating to a building composite component and aiming at the problems of high construction cost, inconvenient construction and the like of the current energy-saving wall body. The structure one is as follows: a sandwich layer 3 is struck to the interior of a beam column frame of a load-carrying member 1; the interior and the exterior the sandwich layer 3 have cement mortar protective courses 8; an alkaline-resisting mesh cloth 4 is embedded in the interior of the protective courses 8 and is connected with the load-carrying member 1 in a sticking way. The structure two is as follows: the sandwich layer 3 is struck to a basic unit wall 1-5; the exterior of the sandwich layer 3 has the cement mortar protective courses 8; the alkaline-resisting mesh cloth 4 is embedded in the interior of the protective courses 8. The structure three is as follows: the sandwich layer 3 is positioned between the upper and lower cement mortar protective courses 8; the lower cement mortar protective course 8 is positioned on a building major structure 1; the upper protective course 8 covers the sandwich layer 3; the alkaline-resisting mesh cloth 4 is embedded in the interior of the protective courses 8. The method of construction is as follows: an interface agent is painted on the sandwich layer or cement mortar to stick the alkaline-resisting mesh cloth 4; when the interface agent is damp, the cement mortar ash is carried out; the glass is used as a waterproof and dampproof moisture barrier; a caking agent is struck to the surface of a structural cement to serve as the waterproof and dampproof moisture barrier. The method has the advantages of low construction cost, convenient construction, etc.
Owner:吴淑环

Adhesive emulsion for environment-friendly textile gilding printing paste and preparation method thereof

The invention discloses adhesive emulsion for environment-friendly textile gilding printing paste and a preparation method thereof. The emulsion consists of the following components in percentage by weight: 0.5-3% of emulsifier, 30-50% of soft monomer, 6-15% of hard monomer, 2-5% of functional monomer, 0.1-0.3% of initiator, 40-60% of deionized water and 0.5-2% of neutralizer. The adhesive is prepared into gilding paste and is used for bonding textile gilding foil; and the shortcomings of the products on the market of low net operability, hard handfeel, unsatisfactory firmness, easy color losing after washing, environmental pollution and the like are overcome. Through the invention, the prepared adhesive has excellent initial viscosity and sustained viscosity and good water resistance, and can realize good adhesive force against different textile fabrics; and meanwhile, the adhesive has good cohesion permanent viscosity, is environment-friendly without releasing toxic substances such as formaldehyde and the like, and does not contain the alkylphenol additives. The adhesive emulsion disclosed by the invention is suitable for the cold and hot gilding technology of manual or mechanical printing, is easy to operate, and has soft handfeel, no sand hole and high yield.
Owner:BAILIHE CHEM ZHONGSHAN

Curds for processed and imitation cheese, cheese products produced therefrom, novel intermediate products and methods of making same

InactiveUS20060062873A1High activityRapid and economical productionMilk preparationCheese manufactureAdditive ingredientEnzyme
Methods of making novel cheese curds and cheese products comprise the steps of providing a fluid milk protein source containing casein; mixing a milk coagulating enzyme into the fluid milk protein source; allowing the milk coagulating enzyme to react with the casein for a time sufficient for the fluid milk protein source to form coagulum while at a pH of 5.6 or above; heating the coagulum containing the enzyme treated casein to a temperature of at least 135° F., more preferably at least 150° F., while the fluid milk protein source is at a pH of 5.6 or above, for a time sufficient to cause syneresis of the coagulum and to form curds; and separating the curds from liquid remaining from the curd formation. In another embodiment, the milk coagulating enzyme is allowed to react with the casein for at least three hours while at a temperature at which a coagulum does not form; after which the fluid milk protein source containing the enzyme treated casein is heated to at least 135° F., for a time sufficient to cause the casein to form curds. The curds from either embodiment may be mixed with additional ingredients to make the cheese products, including processed and imitation cheese. A composition consisting essentially of a fluid milk protein source containing casein and milk coagulating enzyme in the form of a coagulum at a temperature of at least about 160° F., as well as ground curds having a weight average particle size of about 1.5 mm or less, are novel.
Owner:SCHREIBER FOODS
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