7 results about "Chemistry radiation" patented technology

The invention relates to the technical field of modern medicine, in particular to a method for improving the catalytic click reaction activity of copper ions through ionizing radiation and application. The copper ion catalyst ligand is used for inducing or enhancing the activation of the radiation catalysis medicine, the problem that high dose is needed by ionizing radiation and the problems of limitation of transition metal reduction catalysis and the like can be solved by combining radiation chemistry and catalytic chemistry, medicine release can be controlled under the condition of low radiation dose, and the application range is wide. The controllable activation in space and time is realized, so that the cytotoxicity of the whole body is greatly reduced, and the potential side effects of the medicine are reduced.

Methods, systems, and compositions of matter for detection, analysis and treatment of biological, chemical and radiation exposure using artificial intelligence-based systems including fuzzy logical and / or machine learning. A system capable of compiling physical, biochemical, hematological, psychological and neural datapoints, analyzing said data points and creating actionable therapeutic interventions in a graded manner based on invasiveness and probability of success. Optimized biological intervention to chemical, radiation and biochemical threats using stem cells, T regulatory cells and induced pluripotent stem cells.

The invention relates to the technical field of irradiation chemistry and nano material preparation, in particular to a method for preparing titanium monoxide nanocrystals through electron beam irradiation. The method comprises the following steps: taking anatase type TiO2 as a raw material, and irradiating along a [010] crystal zone axis of the TiO2 by adopting an electron beam. According to the method, the electron beam is introduced to irradiate along the [010] crystal zone axis of the sample under the reduction action of the electron beam, and titanium dioxide is induced to be subjected to structural transformation and finally reduced to form titanium monoxide. According to the method for preparing the titanium monoxide nanocrystalline through electron beam irradiation, pollution caused by chemical synthesis and uncertainty of the size are reduced, operation is easy, cost is low, controllability is high, controllable preparation of nanoscale TiO in a specific selected area is achieved, manufacturing of a nanoscale TiO / TiO2 heterostructure can be achieved, and the method is suitable for industrial production. The method has important research value and wide application prospect in the fields of lithium-sulfur batteries, photocatalysis, nano sensors, superconduction and the like.

The invention discloses a method for realizing large-scale rapid synthesis of a metal organic framework by using an electron beam irradiation technology, and belongs to the technical field of radiation chemistry and porous material preparation. Under the conditions of normal temperature and normal pressure, metal salt and a corresponding organic ligand are added into an organic solvent and are mixed according to a set proportion; then, electron beam irradiation is directly accepted, so that the system completes coordination polymerization reaction within a second level, and the efficient large-scale preparation of the metal organic framework material is realized. According to the method, pH adjustment and use of a high-temperature and high-pressure reaction kettle are not needed, the reaction condition is mild, a large-volume precursor system can be continuously treated, and the actual productivity of the metal organic framework is remarkably improved. The method disclosed by the invention has the remarkable advantages of high reaction speed, low energy consumption, simplified process, high yield, capability of realizing gram-level and larger-scale continuous synthesis and the like, and a brand-new technical route is provided for industrialization and green manufacturing of the metal organic framework material.

A method for manufacturing a semiconductor device includes the step of forming a first layer comprising an organic material on a substrate. A second layer is formed on the first layer, wherein the second layer comprises one or more selected from the group consisting of a photogenerative agent, a chemical radiation absorbing additive comprising an iodine substituent, and a silicon-containing monomer having an iodine or phenolic substituent, and a silicon-containing material. A photosensitive layer is formed on the second layer, and the photosensitive layer is patterned.

This invention belongs to the field of traditional Chinese medicine and radiation protection technology. It discloses an active extract of Polygonatum sibiricum and its application in radiation protection preparations. The active extract of Polygonatum sibiricum is prepared by using authentic Polygonatum sibiricum as raw material, through pretreatment, ultrasonic-assisted extraction, column chromatography purification, concentration and drying. With Polygonatum sibiricum extract as the core active ingredient, it is compounded with cyclodextrin, stabilizer and solubilizer to prepare oral capsule radiation protection preparations. This invention is the first to apply the active extract of Polygonatum sibiricum to the field of radiation protection, filling the technological gap of natural Chinese medicine radiation protection. The product is natural, safe and has no side effects, can be used for a long time, has a mature process that can be mass-produced, has a lower cost than existing chemical radiation protection preparations, and has a stable protective effect. It is suitable for various scenarios such as nuclear industry, medical radiation, and daily radiation protection, and has extremely high innovative value and transformation prospects.

The invention provides a nano-silver production process, relates to the technical field of nano-silver production, and aims at solving the problems that existing nano-silver production processing procedures are complex and the productivity is limited, the production process is achieved through radiation chemistry, and the production process comprises the steps that a, a certain amount of silver nitrate is weighed through an upper vessel type electronic balance, distilled water is added in cooperation with a vessel, and the silver nitrate is stirred to be uniform; the method comprises the following steps: a, adding a silver nitrate solution with the concentration range of 0.01-0.1 mol / L into a silver nitrate solution, b, adding a surfactant with the concentration range of 0.6-2.2 g / 100mL, and adjusting the pH value of the solution to 6-7; c, storing the solution formed after blending by adopting a dark container; d, placing the container containing the solution in an irradiation device for irradiation reduction treatment, and performing nitrogen charging treatment on the irradiation device; the preparation method comprises the following steps of 1, irradiating a solution, 2, carrying out irradiation on the irradiated solution, 3, carrying out centrifugation treatment on the irradiated solution, removing a supernatant liquid in the solution, and adding a passivating agent, 3, carrying out alternate washing with deionized water and absolute ethyl alcohol, carrying out centrifugation again, and repeating 3-5 times, and 7, carrying out vacuum drying on the washed substance to obtain black nano-silver powder.