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26results about How to "Inhibit peroxidation" patented technology

Multi-effect-in-one functional lipstick with functions of tightening, resisting wrinkles and relieving and preparation method of multi-effect-in-one functional lipstick

The invention provides a tightening, anti-wrinkle and soothing multi-effect integrated functional lipstick. The tightening, anti-wrinkle and soothing multi-effect integrated functional lipstick is prepared from the following components in percentage by mass: 10 to 30 percent of modified polydimethylsiloxane, 0.1 to 2 percent of modified silicon dioxide, 1 to 10 percent of pentaerythritol tetraisostearate, 10 to 35 percent of an emollient, 0.01 to 20 percent of a skin conditioner and 0.1 to 50 percent of an auxiliary agent, wherein the modified polydimethylsiloxane is obtained by copolymerizing hexadecyl methacrylate, vinyl-terminated polydimethylsiloxane and methylacryloylated sodium alginate, and the modified polydimethylsiloxane and the methylacryloylated sodium alginate are co-polymerized; the modified silicon dioxide is obtained by reacting hydroxylated silicon dioxide with alkyl acid. According to the invention, ester groups, alkyl chain segments and the like are introduced into the modified polydimethylsiloxane, so that the modified polydimethylsiloxane has good compatibility with other components, the dispersity and stability of active components can be effectively enhanced, and the effects of tightening, resisting wrinkles, relieving and the like of the modified polydimethylsiloxane are improved.
Owner:GUANGZHOU PINHE COSMETICS CO LTD

Whitening nano-emulsion and preparation method thereof

The invention discloses a whitening nano-emulsion and a preparation method thereof, and relates to the technical field of cosmetics and skin care products. The whitening nano-emulsion is prepared from the following components in percentage by weight: 2.0 to 10.0 percent of an emulsifying agent, 4.0 to 10.0 percent of an emollient, 3.0 to 8.0 percent of glycerol, 3.0 to 8.0 percent of butanediol, 0.5 to 3.0 percent of nicotinamide, 1.0 to 3.0 percent of a Soulixian extract, 0.5 to 3.0 percent of ascorbyl tetraisopalmitate, 0.3 to 3.0 percent of hydrogenated lecithin, 0.1 to 2.0 percent of hydroxyethyl piperazine ethanesulfonic acid, 0.1 to 1.0 percent of SymSitive1609, 0.03 to 0.5 percent of a mulberry root extract, 0.03 to 1.0 percent of cerium oxide and the balance of water. The toothpaste is prepared from the following components in percentage by weight: 0.05 to 0.5 percent of tocopheryl acetate, 0.03 to 0.3 percent of stearyl glycyrrhetinic acid ester, 0.01 to 0.1 percent of poly gamma-sodium glutamate, 0.03 to 0.2 percent of EDTA (Ethylene Diamine Tetraacetic Acid) disodium, 0.2 to 1.0 percent of preservative, 0.01 to 0.1 percent of aromatic and the balance of water, wherein the total The prepared whitening nano-emulsion can solve the problems of excessive addition, difficult absorption and instability of active ingredients of cosmetics, can inhibit DPPH free radical activity, hydroxyl free radical activity and tyrosinase activity through the synergistic effect of all the components, achieves the effects of resisting oxidation, whitening, removing freckles, brightening skin and the like, and does not cause damage to the skin.
Owner:广东鼎尖国际生物科技有限公司

Unfreezing method for improving quality of skipjack meat

The invention provides an unfreezing method for optimizing the quality of skipjack meat, and belongs to the technical field of marine fish unfreezing. According to the method, conditions for unfreezing skipjack meat through hydrogen micro-nano bubble water and radio frequency are optimized by combining a single factor with an orthogonal experiment, so that an optimal unfreezing process is expected to be obtained. The soaking time, the material-liquid ratio and the hydrogen micro-nano bubble water concentration are used as single factors, the TBARS is used as a response value, and the obtained optimal unfreezing conditions are that the soaking time is 12 min, the material-liquid ratio is 1: 6, and the hydrogen micro-nano bubble water concentration is 40%. Compared with other unfreezing methods, the novel unfreezing method has the advantages that the unfreezing time is shortened, and the fish body has good water-retaining property; and oxidation of fish meat fat is inhibited in the thawing process.
Owner:ZHEJIANG OCEAN UNIV

Novel ionic liquid extraction and electrocatalytic oxidation coupled desulfurization method

The invention discloses a novel ionic liquid extraction and electrocatalytic oxidation coupled desulfurization method, and the adopted ionic liquid serves as a catalyst to accelerate an oxidation desulfurization reaction on one hand, and also serves as an extraction agent to promote rapid extraction of sulfide on the other hand. According to the innovative method, the desulfurization speed and efficiency are greatly improved, and compared with a traditional oxidation desulfurization technology, the reaction rate is obviously improved by about 20 times. Besides, simulated seawater (hereinafter referred to as acidic brine) is adopted as an electrolyte, so that the generation of an in-situ oxidant is realized, and ClO <-> with catalytic oxidation performance is generated by effectively utilizing the Cl <-> oxidation reaction of the anode. The innovation not only improves the efficiency of electrolyzing sea water to produce hydrogen, but also avoids low efficiency and potential safety hazards caused by the introduction of a traditional oxidant. Considering that seawater resources are rich and low in cost, the technology is suitable for being implemented around an oil refinery, and an oxidizing agent does not need to be additionally added, so that the cost of ultra-deep desulfurization is reduced, and the safety of the desulfurization process is enhanced.
Owner:JIANGSU UNIV

Preparation method of composition and decoction for treating hyperlipemia

The invention discloses a composition for treating hyperlipidemia and a preparation method thereof. The composition comprises striga asiatica extract; the extract is any one or more of rhizoma pinellinae praeparata, radix pseudostellariae, anoectochilus formosanus and mangnolia officinalis. The hyperlipemia is spleen deficiency and phlegm dampness type hyperlipemia, and the extract is decocted with water and extracted. The medicine comprises the following components in parts by mass: 10 parts of striga asiatica, 10 parts of rhizoma pinellinae praeparata and 5 parts of anoectochilus formosanus. 15 parts of radix pseudostellariae, 10 parts of rhizoma atractylodis and 10 parts of cortex magnoliae officinalis; , 10 parts of fried hawthorn, 15 parts of Poria cocos and 10 parts of Gorgon fruit. Mixing and crushing the composition, and putting the crushed composition into a decoction bag; soaking the decoction bag in 10 times of cold boiled water for set time TA; preparing liquid A is formed; heating the prepared liquid A and the decoction bag with strong fire until boiling; preparing liquid B is formed; decocting with slow fire to prepare liquid B and a medicine decocting bag, and setting time TB; preparing liquid C; and filtering to prepare liquid C to obtain filtrate A and decoction dregs A. The filtrate A is the decoction for treating hyperlipemia.
Owner:SHENZHEN BAOAN DISTRICT TRADITIONAL CHINESE MEDICINE HOSPITAL

Prebiotics-rich oat peptide and preparation method thereof

The invention relates to an oat peptide rich in prebiotics and a preparation method thereof, and belongs to the technical field of biology, the product adopts oat peptide, prebiotics, wall-broken oat powder, white hyacinth bean powder, roxburgh rose powder and lotus seed powder as main raw materials; wherein the oat peptide is the oat peptide which is 5kDa or below and is obtained by sequentially carrying out step-by-step enzymolysis on oat protein through papain, snail protease and nattokinase; the white hyacinth bean powder is an extract obtained by performing common enzymolysis on white hyacinth beans through cellulase and pectinase and then sequentially performing step-by-step enzymolysis on the white hyacinth beans through trypsin and papain; the lotus seed powder is an extract obtained by performing common enzymolysis on peeled lotus seeds through cellulase and pectinase and then sequentially performing step-by-step enzymolysis through fig protease and papain. The product follows the functions of clearing, regulating and nourishing, all aspects are matched in a balanced mode, the digestion and absorption rate is increased, blood toxins and intestinal waste are removed, blood sugar and blood fat are reduced, immunity is improved, mood comfort is facilitated, and nerve soothing and sleep aiding are achieved; the effect is prominent, rapid and safe without side effects.
Owner:JIANYUAN (GUANGZHOU) HEALTH CULTURE COMM CO LTD

Preparation method of metal-nonmetal b-site synergistic catalytic material and application thereof in methane conversion

ActiveCN122499820Binhibit peroxidationImprove the activation effect
The application relates to the technical field of methane conversion catalytic materials, in particular to a preparation method of metal-nonmetal dual-site synergistic catalytic material and application of the metal-nonmetal dual-site synergistic catalytic material in methane conversion, and the preparation method of the metal-nonmetal dual-site synergistic catalytic material comprises the following steps: S1, zinc peroxide precursor solution preparation; S2, in-situ nitrogen element doping; S3, Au loading; and S4, metal-nonmetal dual-site synergistic catalytic material preparation. The application provides the preparation method of the metal-nonmetal dual-site synergistic catalytic material and the application of the metal-nonmetal dual-site synergistic catalytic material in methane conversion, so as to solve the problems of low methanol selectivity, insufficient methane conversion activity and easy overoxidation in the related art.
Owner:SOUTHWEST PETROLEUM UNIV

Degreased sea cucumber peptide and application thereof in preparation of antioxidant sea cucumber peptide solid beverage

The invention relates to the technical field of marine organism oligopeptide degreasing, in particular to a degreased sea cucumber peptide and application thereof in preparation of an antioxidant sea cucumber peptide solid beverage. The small-molecular oligopeptide is obtained by taking sea cucumber as a raw material and carrying out directional enzyme digestion, degreasing and membrane filtration technologies. The antioxidative sea cucumber peptide solid beverage prepared from the sea cucumber peptide can obviously resist oxidation and has an obvious dose-dependent effect; the product does not contain fat, and is stable in shelf life, and good in fluidity and dissolvability.
Owner:QINGDAO INST OF MARINE BIORESOURCES FOR NUTRITION & HEALTH INNOVATION +1

Flexible plasmonic patch

The utility model relates to medical instrument technical field provides a kind of flexible plasma patch, including first dielectric barrier layer, electrode layer, second dielectric barrier layer and medical film layer by upper to lower sequentially laminated settings, the electrode layer is suitable for connecting power module, for generating plasma, the medical film layer is suitable for contacting wound surface, the first dielectric barrier layer, the electrode layer, the second dielectric barrier layer and the medical film layer are all correspondingly provided with through-hole. The utility model is through setting corresponding through-hole, on the one hand make outside air pass through through-hole and enter wound surface, increase the generation amount of active particle, effectively improve the efficiency of sterilization and promote wound healing;On the other hand, the ozone generated by electrode layer discharge flows out from through-hole, thereby reducing ozone accumulation, avoiding the tissue oxidation stress caused by ozone accumulation, leading to cell membrane lipid peroxidation.
Owner:BEIJING MEDICAL PLASMA LABORATORY TECHNOLOGY CO LTD

Method for preserving cherry tomatoes through combination of low-voltage electrostatic field and modified atmosphere packaging and application of method

The invention provides a method for preserving cherry tomatoes through combination of a low-voltage electrostatic field and modified atmosphere packaging and application of the method, and belongs to the technical field of preservation. The method comprises the following steps: pre-cooling cherry tomatoes, packaging the cherry tomatoes with a modified atmosphere packaging material, treating the cherry tomatoes in a low-voltage electrostatic field after packaging, and storing the cherry tomatoes. The low-voltage electrostatic field treatment is combined with the packaging treatment, so that the respiration rate can be reduced, and the gas environment in the package can be changed, thereby reducing the consumption of nutrient substances caused by respiration, improving the capability of cherry tomatoes for removing active oxygen, inhibiting membrane lipid peroxidation, reducing the accumulation of malondialdehyde, enhancing the antioxidant level and delaying the maturation and aging of the picked cherry tomatoes; the fresh quality of the cherry tomatoes is effectively maintained.
Owner:HEBEI AGRICULTURAL UNIV.

A preparation method of fucoxanthin microcapsules

The invention discloses a method for preparing fucoxanthin microcapsules, which belongs to the technical field of food and drug processing, and comprises the following steps: fucoxanthin, carrageenan and protein complex are mixed, and after stirring reaction, fucoxanthin lipid nanoparticles are obtained; microcrystalline cellulose is grafted and modified with succinic anhydride, and then mixed with food-grade chromium picolinate and fucoxanthin lipid nanoparticles to obtain composite fucoxanthin; composite fucoxanthin, propolis extract, white kidney bean extract, pomegranate peel extract, quercetin and tea polyphenols are mixed as core materials, and β-cyclodextrin and gum arabic are used as capsule materials to prepare microcapsules. Fucoxanthin is present in lipid nanoparticles, and the nano size can better adhere to the cell mitochondria to stimulate the mitochondrial effect; the formed microcapsules contain network structures and lipid nanoparticles inside, which can exert a strong force on the composite fucoxanthin and avoid leakage of fucoxanthin in the microcapsules.
Owner:SHANGHAI HENGZHIRAN BIOTECHNOLOGY CO LTD

A method for preparing mixed tea that is conducive to preservation

The invention discloses a method for preparing a mixed tea that is conducive to preservation, comprising the following steps: S1, pre-picking treatment; S2, premixing; S3, sun-drying; S4, stir-frying; S5, rolling; S6, drying. The mixed tea prepared by the method of the invention has a strong aroma, a sweet taste, and is not dry. In the stir-frying process, passion fruit leaves and oolong tea tender leaves are mixed in a ratio of 7:3, and the shelf life of the tea prepared by this process is greatly extended. The shelf life can reach half a year at room temperature, and the tea aroma and sweet taste can still be stored at room temperature for 5 to 6 months. Adding passion fruit seed oil in the stir-frying process can protect the color and freshness, improve the fragrance, and prevent scorching.
Owner:FUJIAN TIANYUAN AGRI DEV CO LTD

Anti-oxidation repairing composition and cosmetics thereof

The invention discloses an antioxidant repair composition and a cosmetic thereof, and the antioxidant repair composition is prepared from the following components in parts by mass: 0.1 to 10 parts of oat beta glucan solution, 0.01 to 2 parts of Idebenone, 0.01 to 10 parts of collagen solution, 0.1 to 10 parts of dipeptide diaminobutyrylbenzylamide diacetate solution, 0.01 to 10 parts of swan neck miraculous factor, 0.01 to 10 parts of face-tightening anti-wrinkle peptide and 0.01 to 5 parts of saccharide isomeride solution. The Idebenone is a mixture containing hydroxydecyl ubiquinone, and the Idebenone is a mixture containing hydroxydecyl The collagen solution is a mixed solution containing hydrolyzed collagen; the swan neck miraculous factor is a mixed solution containing a calabash extract, a lactobacillus fermentation extract and a lactobacillus / black mustard seed fermentation product extract; the face-tightening anti-wrinkle peptide is a mixed solution containing a sweet almond seed extract and hydrolyzed rice protein. The anti-oxidation repairing composition disclosed by the invention can realize a relatively strong anti-oxidation effect and a relatively strong skin repairing effect.
Owner:GUANGDONG BASONA BIOTECHNOLOGY CO LTD

System and method for preparing ketone through hydrogen peroxide mediated alkane conversion and application

The invention relates to a system and method for preparing ketone through hydrogen peroxide mediated alkane conversion and application. The system comprises a two-step electrocatalytic reaction tank and a one-step thermocatalytic fixed bed reaction tank. The electro-catalytic reaction tank is composed of a zero-gap membrane electrode tank and an improved flow electrochemical tank, hydrogen and oxygen are generated by the electro-catalytic reaction tank through water electrolysis, and then the hydrogen and the oxygen are respectively introduced into the electro-catalytic reaction tank for oxidation reduction to prepare hydrogen peroxide; generated hydrogen peroxide is directly mixed with alkane gas through a tee joint and then enters a thermocatalytic fixed bed reactor, and a ketone product can be prepared. Compared with the prior art, the method has excellent ketone selectivity and production efficiency, and is a more efficient and stable reaction system compared with the currently reported electro-catalysis or thermocatalysis technology.
Owner:SHANGHAI JIAOTONG UNIV

Active peptide composition for improving male sperm motility and preparation method thereof

The invention belongs to the technical field of biological medicine, and particularly discloses an active peptide composition for improving male sperm motility and a preparation method thereof, the composition comprises the following raw material components in parts by weight: 15-18 parts of oyster peptide, 10-28 parts of sea cucumber peptide, 6-10 parts of cordyceps militaris peptide, 10-12 parts of fish white peptide, 15-25 parts of glutathione, 10-20 parts of wheat peptide, and 0.2-0.4 part of coenzyme Q10. According to the active peptide composition for improving the male sperm motility and the preparation method, through the synergistic effect of the specific active peptide composition, the male sperm motility is effectively improved, and the active peptide composition is natural, safe and free of side effects.
Owner:HAINAN HUAYAN MEIJIAN BIOTECHNOLOGY CO LTD

A nutritional composition capable of promoting brain development and its use

The present invention relates to a nutritional composition for promoting brain development, which is composed of DHA, tocotrienols, vitamin B, lysine, lecithin and a pharmaceutical carrier. The rat dark avoidance test and the Morris water maze test have fully proved that the drug components of DHA, tocotrienols, vitamin B, lysine and lecithin have an obvious synergistic effect on promoting brain development. 50 , CI 75 and CI 90 The values ​​are all less than 1.0, and the synergistic effect between them is very significant.
Owner:SHAANXI HEALTHFUL BIOENGINEERING CO LTD

A method for preparing and applying biomimetic lipoprotein nanodiscs

This invention relates to the field of biomedicine, specifically to a method for preparing and applying a biomimetic lipoprotein nanodisk to enhance the therapeutic effect on tumors. The method for preparing the biomimetic lipoprotein nanodisk provided by this invention includes the following steps: First, CCL5 peptide and DSPE-PEG2000-mal are dissolved in DMF and triethylamine, stirred at room temperature, and then the reaction solution is purified by dialysis and freeze-dried to obtain a white solid powder; then, methanol is placed in a flask, DPPC, DSPE-PEG2000-CCL5, and NG are dissolved in methanol, acetic acid is added, and the mixture is evaporated to dryness to form a thin film in the flask; then, the film is dispersed with ultrapure water, sonicated with a probe in an ice bath, and then ApoA1 peptide is added to the mixed solution, followed by thermal cycling to obtain C-LNG. This invention optimizes and modifies gemcitabine, developing a new drug NG, which significantly improves the therapeutic effect on tumors, and C-LNG has extremely high targeting and drug loading rates, further enhancing the drug's efficacy.
Owner:THE SECOND AFFILIATED HOSPITAL OF CHONGQING MEDICAL UNIV

Bifidobacterium adolescentis HC2916 for inhibiting melanin synthesis and microbial preparation and application of bifidobacterium adolescentis HC2916

The invention relates to the technical field of screening and application of probiotics, in particular to bifidobacterium adolescentis HC2916 for inhibiting melanin synthesis as well as a microbial preparation and application of the bifidobacterium adolescentis HC2916, the bifidobacterium adolescentis HC2916 is preserved in China General Microbiological Culture Collection Center on May 16, 2023, and the preservation number is CGMCC No.27352. The invention further discloses a preparation method of the bifidobacterium adolescentis HC2916 for inhibiting melanin synthesis and a microbial preparation and application of the bifidobacterium adolescentis HC2916. The strain has excellent antioxidant capacity and can remove various free radicals and inhibit lipid peroxidation, fermentation supernate and lysate of the strain can remarkably lower protein and mRNA expression of a melanin production signal transduction core factor MITF, expression of downstream key enzymes TYRP1 and TYRP2 of the MITF can be inhibited, UVA-induced skin keratinocyte melanin content increase can be effectively inhibited, and the UVA-induced skin keratinocyte melanin content increase can be effectively inhibited, so that the UVA-induced skin keratinocyte melanin content increase can be inhibited, and the UVA-induced skin keratinocyte melanin content increase can be inhibited. Good application prospects are realized in the field of skin whitening.
Owner:WAIKAI HAISI (SHANDONG) BIOENGINEERING CO LTD

Anti-aging moisturizing essence and preparation method thereof

The invention relates to the technical field of skin care products, in particular to anti-aging moisturizing essence and a preparation method thereof. The anti-aging moisturizing essence is prepared from the following raw materials: a bifidus yeast fermentation solution, a crithmum maritimum extract, ectoine, a flos mume extract, ceramide NP, sodium hyaluronate, a humectant, a soothing agent, a skin conditioner, a preservative and the balance of deionized water. According to the anti-aging moisturizing essence disclosed by the invention, facial care is carried out in multiple ways and multiple angles such as moisturizing, moisturizing, whitening and wrinkle removing, so that the aging characteristics of facial skin are relieved, improved and removed from inside to outside, and the facial skin is kept young, so that the anti-aging effect is achieved.
Owner:GUANGZHOU CHANYAN BIOLOGICAL TECH CO LTD

Breeding method of spirulina species tolerant to high-concentration CO2

The invention discloses a breeding method of spirulina species tolerant to high-concentration CO2, and belongs to the technical field of microorganisms. The method comprises the following steps: domesticating spirulina until the spirulina can stably grow in an environment of about 10% CO2 through continuous passage under the condition of gradually increasing the volume fraction of CO2, and adding erythritol and a rosemary extract into a culture solution in a compounding manner, so as to relieve acidification and oxidative stress caused by high-concentration CO2. The dry weight of the algal strain cultured for 7 days under the condition of 10% CO2 is obviously higher than that of the algal strain without addition of a protective agent and a conventional protection combination, the decrease amplitude of Fv / Fm is obviously reduced when compared with 72 hours, the cell death rate is obviously reduced, and synchronous improvement of biomass and photosynthetic efficiency is achieved.
Owner:SHANGHAI SHENJI ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD

Efficient deodorization method of abalone pleopod enzymatic soluble collagen

The invention discloses an efficient fishy smell removing method of abalone pleopod enzymatic soluble collagen, which comprises the following steps: ultrasonically treating the abalone pleopod enzymatic soluble collagen and covalently binding the treated abalone pleopod enzymatic soluble collagen with litchi rind polyphenol extracted by pulse and ultrasonic treatment, so that the binding between polyphenol and protein is remarkably enhanced; according to the present invention, the non-covalent binding of the fishy smell substance and the protein hydrophobic amino acid is weakened so as to easily remove the fishy smell substance and improve the overall flavor, and the litchi rind polyphenol is added, such that the fishy smell can be effectively removed, the flavor quality can be effectively improved, and the benefits of aging delaying, disease prevention and the like can be provided for consumers.
Owner:SOUTH CHINA UNIV OF TECH +1

Probiotic tea and preparation method thereof

The invention relates to probiotic tea and a preparation method thereof, and belongs to the technical field of tea drinks, and the probiotic tea comprises the following raw material components in parts by weight: oolong tea, pyracantha fortuneana fruit-blue medicine water lily extract, hawthorn pectin, chrysanthemum and gardenia. The prepared probiotic tea has a good anti-fatigue effect, meanwhile, the probiotic tea can reduce generation of precipitates, the turbidity of tea liquid is effectively improved, and the probiotic tea is more convenient to store for a long time.
Owner:GUANGDONG JIUDING KANGHE BIOTECHNOLOGY CO LTD

A TMBP reaction device and synthesis method thereof

The present invention relates to the technical field of TMBP preparation, and in particular to a TMBP reaction device and a synthesis method thereof. The reaction device comprises a sealed tank body, a heating mechanism is arranged inside the tank body, and the tank body is divided into a gas phase area and a liquid phase area from top to bottom. A hollow rotating shaft is arranged at the center of the tank body, a motor is connected to the top of the hollow rotating shaft, an air intake mechanism is arranged inside, an air intake hole connected to the gas phase area is arranged above the side wall, a gas distribution mechanism is arranged below the side wall, and the gas distribution mechanism comprises a plurality of hollow and horizontally arranged spiral blades, the spiral blades are sealed and connected to the hollow rotating shaft, an outer side wall is provided with an outlet pipe perpendicular to its normal, and a one-way nozzle is arranged on the outlet pipe. The overall structure of the present invention is compact, the footprint is small, the stirring effect is good, the oxygen in the gas phase area can be dispersed into the liquid phase area, the gas distribution mechanism has both gas distribution and stirring effects, greatly improves the oxygen content and dispersion uniformity in the liquid phase, improves the reaction efficiency, and shortens the reaction time.
Owner:山东富宇石化有限公司 +2

Selenium-coated zinc / cerium-based nano-enzyme and application thereof in regulating intestinal microenvironment to treat inflammatory bowel disease

The invention discloses a selenium-coated zinc / cerium-based nano-enzyme and an application thereof in regulating intestinal microenvironment to treat inflammatory bowel disease, the selenium-coated zinc / cerium-based nano-enzyme can realize effective multiple active oxygen removal and regulate intestinal flora, a selenium layer outside the zinc / cerium-based nano-enzyme promotes excitation of an Nrf2 endogenous antioxidant pathway, efficient and lasting oxidation resistance is realized, and the selenium-coated zinc / cerium-based nano-enzyme can be used for treating inflammatory bowel disease. The strong antioxidant activity of the nano enzyme can effectively relieve damage caused by oxidative stress and promote generation of glutathione peroxidase 4 at the same time, so that ferroptosis of intestinal barrier cells is inhibited. The nano-enzyme disclosed by the invention can efficiently remove active oxygen, regulate intestinal flora and recover intestinal barrier tissues, so that effective treatment on inflammatory bowel diseases is realized.
Owner:ANHUI MEDICAL UNIV

Medium-low nickel precursor material coated with lithium super-ion conductor and preparation method and application of medium-low nickel precursor material

The invention provides a lithium super ion conductor coated medium-low nickel precursor material and a preparation method and application thereof, and the preparation method comprises the following steps: mixing an organic metal salt solution and a mixed metal salt solution to obtain a first mixture; adding a lithium super-ion conductor, a precipitant solution and a complexing agent solution into the first mixture, and carrying out a co-precipitation reaction to obtain a second mixture; and continuously heating the second mixture for reaction to obtain the medium-low nickel precursor material coated with the lithium super-ion conductor. According to the preparation method disclosed by the invention, a lithium ion deintercalation rapid channel is effectively widened by adopting a lithium super-ion conductor coating method, the direct contact between the positive electrode material and an electrolyte is avoided, in addition, the problem of peroxidation for refining the primary particle morphology in the reaction process of a medium-low nickel precursor material is avoided by utilizing organic metal salt, and the preparation method has the advantages that the preparation process is simple, the cost is low, and the application prospect is wide. And the cycling stability and the conductivity of the battery are effectively improved.
Owner:JINGMEN GEM NEW MATERIAL CO LTD +1