6results about How to "Promote catalysis" patented technology

The invention relates to the field of materials, and discloses a three-dimensional graphene / metal oxide composite pellet and a preparation method and application field thereof, the three-dimensional graphene / metal oxide composite pellet comprises a graphene pellet and a metal oxide loaded on the graphene pellet; wherein the specific surface area of the three-dimensional graphene / metal oxide composite sphere is 50-500m < 2 > / g. In the obtained three-dimensional graphene / metal oxide composite sphere, the metal oxide is uniformly loaded on the surface of the graphene sphere, and the sphere internally has a rich pore structure, so that the application of gas sensing, catalysis, energy storage and the like is facilitated.

The present application relates to the application of open-cage borane compounds in the preparation of immunosuppressants, belonging to the technical field of biological medicine. The open-cage borane compounds of the present application include nest borane compounds and / or spider web borane compounds, and the pharmaceutically acceptable solvates or pharmaceutically acceptable complexes of the nest borane compounds and the spider web borane compounds. The open-cage boron clusters of the present application have dehydrogenase-like activity, can catalyze the dehydrogenation reaction of hydroxyl-containing organic substrates in a biological system, promote the conversion of NAD(P) + to NAD(P)H, further improve the intracellular oxidation-reduction ratio, induce cell redox stress, and further reshape the metabolic pattern of HSCs from the source, promote the differentiation of immune cells to immunosuppressive phenotype, and play an immunosuppressive role.

A C-terminal truncated alginate lyase and its application. This invention belongs to the fields of bioengineering, genetic engineering, and enzyme engineering, and relates to a C-terminal truncated alginate lyase TY2 designed with molecular docking assistance, its encoding gene, recombinant vector, strain, and its application in the preparation of low-polymerization degree alginate oligosaccharides. Using wild-type MhAly6 as the parent, the truncation boundary was determined through structural prediction and molecular docking. A portion of the linker peptide was retained, and the C-terminal GH28 family domain was deleted to obtain the truncated form TY2. TY2 has approximately twice the specific activity of the wild-type enzyme, and even higher residual activity after incubation at 45°C for 1 hour, achieving a synergistic improvement in catalytic activity and thermal stability. + The relative enzyme activity reached 4.3 times that of the control group, which can degrade pretreated Sargassum powder. The product is mainly ΔDP2–ΔDP4 low-polymerization brown algae oligosaccharides, which are suitable for related enzymatic degradation and oligosaccharide preparation.

The utility model discloses waste gas treatment equipment for petrochemical industry, which relates to the technical field of waste gas treatment and comprises a waste gas pipe, one end of the waste gas pipe is communicated and connected with a pretreatment box, the pretreatment box is communicated and connected with a reaction box through a flow guide pipe, and the reaction box is communicated and connected with a sterilization box through a guide pipe. The waste gas treatment device has the advantages that the driver drives the stirring rod and the rotating rod to rotate, waste gas and a treatment medium can be stirred, the stirring rod is matched with the atomization spray head, the waste gas can be treated through the atomization spray head, and the waste gas can be treated through the atomization spray head. The contact efficiency of waste gas and a treatment medium can be improved, harmful gas can be adsorbed, absorbed or catalyzed, the waste gas treatment reaction is accelerated, the waste gas treatment efficiency and speed are improved, emission of harmful gas is reduced, and the environment and human health are protected.

This invention belongs to the field of electrochemical catalysis technology, and specifically relates to a membrane electrode electrolytic cell flow channel structure for CO2 electroreduction. The flow channel structure is disposed within the electrolytic cell and includes a main flow channel inlet, a main flow channel outlet, and at least one 180° folding unit disposed between the main flow channel inlet and the main flow channel outlet. Each 180° folding unit symmetrically branches the incoming flow channel into two sub-flow channels, forming a bidirectional convection network. All sub-flow channels eventually converge to the main flow channel outlet. The multi-folding flow channel structure reduces the pressure in the CO2 gas path, facilitating the outflow of liquid products from the flow channel for collection and analysis. Furthermore, during the cell manufacturing process, a small amount of Ag is added through a melt-cooling process, which effectively reduces the temperature of the electrolyte during the reaction. This invention employs a multi-folding MEA flow channel, significantly improving the collection capacity of CO2 reduction products, thereby increasing the efficiency of CO2 conversion to carbon products.

The present invention relates to detergent compositions comprising protease variants and alpha-amylases or variants thereof. Furthermore, the present invention relates to methods of using the detergent compositions.