6results about How to "Potential application value is good" patented technology

The invention discloses a multi-atom doped porous carbon material and a preparation method and application thereof.The porous carbon material is sodium lignin sulfonate carbon doped with phosphorus, boron, nitrogen and selenium, and the preparation method comprises the steps that the carbon material is activated and doped through solvothermal reaction to obtain a precursor, and then the precursor is subjected to high-temperature carbonization, potassium hydroxide activation and acid pickling to obtain the multi-atom doped porous carbon material. The polyatom-doped sodium lignin sulfonate porous carbon is obtained. The polyatom-doped sodium lignin sulfonate porous carbon prepared by the method provided by the invention has the advantages of ordered microstructure, hierarchical pore structure and high specific surface area, the specific surface area is greater than 2000m < 2 > / g, and the polyatom-doped sodium lignin sulfonate porous carbon can be applied to a supercapacitor electrode material, can provide a good channel for rapid diffusion and transmission of electrolyte ions in an electrochemical process, and can be used for preparing a supercapacitor electrode material. The utilization rate of active sites is increased, higher specific capacitance and excellent rate capability (the specific capacitance retention rate is greater than 60%) are shown, and the application value is good.

The present application belongs to the technical field of zeolite molecular sieve, and particularly relates to an AFX type zeolite molecular sieve, a preparation method and application thereof. An initial gel obtained by mixing an aluminum source, a silicon source, an inorganic base (sodium carbonate and / or sodium hydroxide), seeds and water is subjected to a hydrothermal crystallization reaction, and a crystallization product obtained is subjected to solid-liquid separation, washing and solid drying in sequence to obtain the AFX type zeolite molecular sieve. The AFX type zeolite molecular sieve with no organic template agent and low silicon-aluminum ratio is synthesized by using a traditional hydrothermal synthesis method, using seeds and an inorganic cation double-oriented design, and has great potential application value in the future catalysis field of diesel vehicles and non-road mobile machinery and the industrial adsorption separation industry due to the properties of no organic template agent and low silicon-aluminum ratio, and the synthesis does not use an organic template agent, reduces industrial production cost, and also reduces environmental pollution, and has great economic advantages in industrial production.

The invention discloses an application of FKBP12B in improving the survival rate of silkworms and the quality of silk. According to the invention, it is found for the first time that after the FKBP12B DNA is given to silkworms, the survival rate, the cocoon shell weight, the cocoon shell rate and the silk quality of the silkworms can be improved, which indicates that FKBP12B has a potential application value of improving the silk quality.

The application discloses a two-dimensional nitrogen-doped carbon material loaded rhenium-based alloy nanoparticle electrocatalyst, and a preparation method thereof. The preparation method comprises the following steps: dissolving a rhenium-based metal salt, a transition metal salt, a purine small molecule and an inorganic salt in water to perform a hydrothermal reaction, so as to obtain a two-dimensional structure precursor; and calcining the two-dimensional structure precursor under the protection of an inert gas, so as to obtain the electrocatalyst. The high-melting-point rhenium metal is used to form alloy nanoparticles with the transition metal, so that the defects of sintering of the transition metal-based catalyst in a high-temperature synthesis process can be effectively avoided, the aggregation and growth of the alloy nanoparticles in the high-temperature synthesis process are prevented, the alloy nanoparticles are uniformly and highly densely loaded on the surface of a two-dimensional carbon nitride carrier, the proportion of surface metal atoms is greatly increased, and finally, the prepared electrocatalyst has good hydrogen evolution reaction catalytic activity and catalytic stability.

The invention discloses a photo-anode based on acid etching surface reconstruction and a preparation method thereof, and relates to the technical field of photoelectrochemistry. The preparation method comprises the following steps: S1, preparing a prismatic transition metal sulfide nanorod array on a cleaned conductive substrate to obtain a conductive substrate loaded with the prismatic transition metal sulfide nanorod array; and S2, acid etching is carried out on the conductive substrate loaded with the prismatic transition metal sulfide nanorod array in the step S1, the prismatic transition metal sulfide nanorod array is reconstructed into a cylindrical transition metal sulfide nanorod array, and the photo-anode based on acid etching surface reconstruction is obtained. After the prepared photoanode is subjected to acid etching surface reconstruction, the surface catalytic performance is obviously improved, the photocurrent density of an optimized sample under the bias voltage of 1.23 VRHE can reach 2.57 mA / cm < 2 > and is 2.89 times that of an original sample, and the photoanode has high photoelectrochemical performance.

The application belongs to the field of biotechnology and genetic engineering, and discloses a culture method of double-fluorescently labeled Caenorhabditis elegans for monitoring mitochondrial homeostasis, which comprises the following steps: culturing Caenorhabditis elegans ATU3301 strain to L4 larva stage, and selecting male as the father; culturing Caenorhabditis elegans MQD753 strain to L4 larva stage, and selecting hermaphrodite as the mother; placing them on a culture plate in a certain proportion, mating, and obtaining offspring; removing the parents and continuing to culture the offspring to L2 larva stage; screening Caenorhabditis elegans through a microscope to obtain target Caenorhabditis elegans; without an external staining agent, the fluorescent protein is stably integrated into the genome and specifically located in mitochondria, the signal is stable, the location is accurate, and the repeatability is high, which provides a new tool with physiological relevance, operational convenience and cost advantage for the research on mitochondrial homeostasis mechanism and the development of related disease drugs, and has great potential application value.