94results about How to "No toxic effect" patented technology

The invention belongs to the high-molecular nano biomedical materials, and specifically relates to a polymeric micelle in which the antibacterial nano silver is deposited at the core, and a preparation method of the polymeric micelle. Amphiphilic block copolymers form the micelle in a self-assembly manner through a direct dissolution method, and then, nano silver is generated at the core of the micelle in situ. The micelle has biocompatibility and also has certain temperature and pH sensitivity, the core-shell structure of the micelle can package multiple drugs, and simultaneously, with the existence of nano silver, the micelle has the curative effects of sterilization and bacterial inhibition.

The invention belongs to the field of nano biological medical materials and particularly relates to polymer vesica with the surface deposited with antibacterial nano silver and a preparation method thereof. Amphipathic block polymers are self-assembled by a cosolvent method to form the vesica, and then the nano silver is generated in situ on the surface of the vesica. The polymer vesica has biocompatibility and has certain temperature and pH sensitivity; a cavity structure of the vesica can wrap various medicines; and simultaneously, due to the existence of the nano silver, the vesica also has the curative effects of sterilization and bactriostasis.

The invention relates to a rapid composting microbial inoculum of agricultural wastes and a method for preparing organic fertilizer from the same, belonging to the field of waste resource recycle. In the invention, a strain NJZ5 capable of rapidly decomposing various wastes rich in cellulose at 50 DEG C is separated. The strain NJZ5 is inoculated in a fermentation cylinder, and the obtained fermentation broth contains culturable colonies the number of which is no less than 1*109 per milliliter; after the fermentation broth and an adsorbent rice bran are mixed uniformly, the product of the rapid composting microbial inoculum of agricultural wastes can be obtained, wherein the content of the agricultural wastes in the NJZ5 strain can be no less than 1*108 per grame. The NJZ5 composting microbial inoculum can remarkably improve the composting temperature and shorten the composting period, and can control the composting period within about 30 days.

The invention relates to a waterproof roll with plant root impaling resistance and a manufacturing method thereof. The waterproof roll comprises a tyre basic layer, wherein the upper and lower surfaces of the tyre basic layer are provided with modified asphalt chemical root resisting agent waterproof layers; the outer surface of each modified asphalt chemical root resisting agent waterproof layer, which is far away from the tyre basic layer, is provided with an isolating layer; and the modified asphalt chemical root resisting agent waterproof layer is a structure manufactured by carrying out mechanical rabbling and blending on asphalt, a chemical root resisting agent, resin, a filler and an auxiliary agent at the temperature of 195 DEG C. The invention has the following advantages: the mildew-proof performance of the waterproof roll is enhanced, i.e. the waterproof roll does not generate toxin action on plants and effectively prevents the plant root from being impaled at the commissure of the roll; and the manufacturing method of waterproof roll of the invention is favor for realizing the automatized production line operation, and can greatly reduce the production cost under the condition of equal plant root impaling resistance, thereby being suitable for large-scale application.

The present invention provides a crude lipase enzyme solution of Yarrowia lipolytica microzyme CGMCC No.2707 and a method for synthesizing biological diesel oil by catalyzing the hydrolization and esterification reaction of waste animal and vegetable fat by the immobilized lipase of the crude lipase enzyme solution. A method for preparing the lipase crude enzyme solution and the immobilized enzyme is also provided. The method uses hydrolization and esterification reactions of the oil and fat use lipase as catalysts, but does not use strong acid and strong base. The method has the advantages of mild reaction condition and small pollution. Organic solvent is not used during the entire production process of the fatty acid methyl ester / ethyl ester. The reaction is safe and the efficiency is high.

The invention discloses a ganoderma lucidum culture medium, a method for cultivating ganoderma lucidum, ganoderma lucidum tea and a preparation method of the ganoderma lucidum tea, and belongs to edible or medicinal fungus culture media. The culture medium is formed by mixing hawthorns, wheat germs, salviae miltiorrhizae, astragalus membranaceus, licorice roots, sugar and bean pulp. The raw materials of the culture medium are free of pollution and cannot generate the toxic action on the human body, and the polysaccharide content, the triterpene content and the content of flavonoid materials of the ganoderma lucidum cultivated through the culture medium are more than those of ganoderma lucidum cultivated through an existing culture medium.

The invention discloses an RNA with little interference for inhibiting the expression of an iron regulating element regulatory protein (HJV). The RNA with little interference is in reverse complementation with the iron regulating element regulatory protein gene mRNA, and the length of the RNA is 19-27bp. The invention further discloses a DNA for coding the corresponding shRNA of the RNA with little interference and a recombined slow virus capable of expressing the shRNA. The RNA with little interference, the DNA capable of coding the shRNA and the recombined slow virus can effectively inhibit the expression of the iron regulating element regulatory protein in vivo, improve the level of the iron regulating element and reduce the level of serum iron in vivo, thereby reaching the aim of curing diseases related to iron metabolism.

The invention provides novel non-sintered biological stuffing rapid in biofilm formation and a preparation method thereof, relating to biological stuffing and preparation methods thereof and solving the technical problems that the existing biological stuffing has long biofilm formation time and poor effluent quality in water treatment processes and preparation processes are high in energy consumption and pollute the environment. The biological stuffing is prepared from sepiolite, medical stone, cement, polyvinyl alcohol, sodium alginate, hydrogen peroxide, ferric chloride, manganese sulfate, cobalt chloride and agar. The method comprises the following steps: I. heating and dissolving polyvinyl alcohol and sodium alginate, adding hydrogen peroxide after cooling, and mixing the components uniformly, thus obtaining a liquid mixture; II. mixing the liquid mixture with other solid components, granulating the mixture, putting the granules at normal temperature, drying and sieving the granules, curing the granules at high pressure and low temperature, steam-curing the granules at constant temperature, and cooling the granules at normal temperature, thus obtaining the biological stuffing. Compared with the common ceramsite, the biological stuffing has short biofilm formation time, good effluent quality and coarse surface and is beneficial for microorganism growth. The biological stuffing is applied to the fields of environmental applied materials and sewage treatment.

The invention discloses an environment-friendly manganese-cobalt-aluminum composite oxide mercury removal and denitration catalyst which has a chemical formula of MnaCobAlcOx, wherein a, b and c respectively refer to the percentage of total molar amount of metal elements such as Mn, Co and Al in the catalyst; a ranges from 0.1 percent to 5 percent; b ranges from 70 percent to 75 percent, c refers to the balance, and x is determined by chemical balance according to the values of a, b and c and valence states of the metal elements. The invention also provides a preparation method of the catalyst. According to the catalyst disclosed by the invention, the removal efficiency of gas-phase elementary mercury can be over 80 percent under a hydrogen chloride atmosphere in a temperature range of 100-400 DEG C; the purification efficiency of nitric oxides is 75.8-90.5 percent under an SCR atmosphere in a temperature range of 300-450 DEG C, and the cooperative mercury removal efficiency is 78 percent. The composite oxide catalyst disclosed by the invention is environmentally-friendly and does not have toxic effects on the human body and the environment; and moreover, the raw materials for synthesizing the catalyst are low in cost.

The present invention relates to degradation of petroleum polluted soil, and is especially combined catalyst and microwave process for degrading total petroleum hydrocarbons in petroleum polluted soil. The process includes setting the mixture of petroleum polluted soil, catalyst in 0.2-1.0 wt% of the soil and water in 5.0-30.0 wt% of the soil inside sealed PTFE tank, and degrading in a microwave slaking apparatus in the conditions of microwave frequency of 2450 MHz, microwave power of 400 W, and pressure of 0.2 MPa for 3-11 min. The present invention has the advantages of high pollutant eliminating efficiency, high speed, easy operation, low cost and no secondary pollution.

An apparatus for preparing the purified drinking water by removing the ions of metals (especially the heavy metals) and killing microbes has PPF filter, regeneratable cationic exchange fiber filter, accurate activated carbon filter, reverse osmosis, system, electric conductivity instrument, blowdown by-pass, waste water recovering tanks, control system, etc.

The invention belongs to the field of macromolecular nano biological medicine materials, and in particular relates to a high-efficiency and antibacterial polymeric micelle with high pH sensibility and biocompatibility and a preparation method thereof. An amphipathic block polymer is subjected to self-assembly by a direct dissolution method to form the micelle; and the surface of the micelle has a large number of positive charges, so that the micelle has the effects of sterilizing and inhibiting bacteria in high efficiency under the condition that other antibiotics are not added. Simultaneously, the micelle has high biocompatibility and biodegradability. The polymeric micelle has high pH sensibility, and a structure of the polymeric micelle is changed with the change of the outside pH value, and multiple medicines can be wrapped by a core-shell structure of the micelle, so the polymeric micelle has a bright application prospect.

The invention opened a method of dying the true silk crepe-de-chine and the wool using scutellaria dyestuff. The process: a. put the scutellaria dyestuff which the pH is 3-6.5 on the true silk crepe-de-chine and the wool; b. do the fore and mordanting by the mordant which is 2-20 %( w / w). The dyestuff is the natural, soft, simple and innoxious to the human.

The invention relates to photodegradation for polycyclic aromatic hydrocarbon contaminated soil, in particular to a method for degrading polycyclic aromatic hydrocarbon in soil by ultraviolet illumination. A humic acid is taken as a sensitizing agent, a mixture of contaminated soil and the humic acid is paved in a vessel and is placed into an ultraviolet illumination box for illumination gradation, the thickness of a soil layer is between 0.15 and 0.5 mm, and the adding amount of the humic acid is between 3 and 45 mg / kg soil; and illumination conditions in the illumination box are as follows: the wavelength of the ultraviolet illumination is between 210 and 365 nm, a sample is 5 to 20 cm away from a light source, the illumination intensity is between 500 and 10, 000 mu m w / cm<2>, the temperature is between 20 and 38 DEG C, the relative humidity in a ventilation control box is between 30 and 50 percent, and the illumination time is between 2 and 18 days. The method has the advantages of quick speed, high efficiency, easy operation, and no generation of secondary pollution.

The invention provides an anti-coccidial microemulsion, which contains toltrazuril, an oil phase, a surfactant, a cosurfactant and water. The invention also provides a method for preparing the anti-coccidial microemulsion, which comprises the steps of dissolving toltrazuril in a small quantity of oil phase, adding a certain amount of surfactant and cosurfactant, emulsifying with a certain method to make into nanometer oil-in-water type microemulsion. The inventive anti-coccidial microemulsion remarkably reduces the cost of pharmaceutical preparations, reduces the use of organic solvents, and reduces environmental pollution. The microemulsion can be added into the drinking water for livestock and poultry may with uniform dispersion and without drug separation out, resulting in uniform ingestion of the livestock and poultry and no toxic action.

The invention discloses a Chinese herbal medicine formula for sterilizing an indoor environment of a farm. The Chinese herbal medicine formula comprises the following raw materials in parts by weight: 150-160 parts of Folium Artemisiae Argyi, 15-20 parts of Rhizoma Atractylodis, 2-5 parts of realgar, 3-4 parts of Cortex cinnamomi camphorae, 6-8 parts of Cortex Phellodendri, 4-6 parts of Folium Isatidis, 3-5 parts of Camphora, 1-3 parts of Radix Angelicae Dahuricae, 1-3 parts of Rhizoma Acori Graminei, 2-4 parts of Herba Achilleae, 8-10 parts of Radix Rehmanniae Preparata, 3-4 parts of Fructus Cnidii, 6-8 parts of Herba Lysimachiae foenum-graeci, 2-4 parts of Radix Sophorae Flavescentis, 3-4 parts of Myrrha (processed), 6-8 parts of Cacumen Platycladi, 10-12 parts of Herba Scutellariae Barbatae, 6-8 parts of Ramulus Uncariae Cum Uncis, 2-4 parts of Folium Viticis Negundo, 4-6 parts of peel of Lagerstroemia indica L., 4-5 parts of Rhizoma Polygonati Cirrhifolii, 1-3 parts of Polystichum craspedosorum (Maxim.) Diels., and 3-4 parts of Oreocnide obovata (C.H.Wright) Merr.(Debregeasia obovata C.H.Wright). The Chinese herbal medicine formula is prepared from pure natural Chinese herbal medicines, is aromatic and does not have pungent traditional Chinese medicine odor. The Chinese herbal medicine formula is environmentally friendly, and does not irritate or have toxic action on livestock raising staff and cultivation staff, various medicines are combined scientifically and have efficient bactericidal activity, bacteria and viruses can be killed rapidly, the sterilizing effect on the farm is good, morbidity of the livestock is avoided, and the death rate of the livestock is reduced effectively.

The invention discloses a hydroxylapatite-bioglass film, which is prepared by taking hydroxylapatite or bioglass or the mixture of both as a target material and using the following technology of: adopting pulse laser with energy density of 5J-cm to complete the sedimentation of the film in an argon atmosphere with underlayer temperature of 15 DEG C to 600 DEG C and pressure of 5Pa to 45Pa or an oxygen atmosphere with pressure of 1*10-9*10Pa and under the condition with pulse number of 3,000-18,000. The bio-film has no cytotoxic effect and good biocompatibility, causes no hemolytic reaction and acute systemic toxicity effect, imposes no obvious inhibition on the growth and proliferation of cells, generates no toxic action to laboratory animals, and meets the requirements for biological safety.

The invention discloses a biological bacterial fertilizer vector. The biological bacterial fertilizer comprises the raw materials in parts by weight: 1 to 2 parts of peat, 1 to 2 parts of mushroom residue, and 0.5 to 1 part of flower cultivate soil. The invention also discloses a preparation method and application of the biological bacterial fertilizer vector. The biological bacterial fertilizer vector provided by the invention has the beneficial effects that the water absorption is increased by 65.4% compared with single peat, a relatively moist living environment can be provided for the microorganisms attached to the biological bacterial fertilizer vector within a relatively long time range, no toxic action is brought to the functional microorganism, and the nutrient substances contained in the leach liquor of the biological bacterial fertilizer can provide corresponding carbon and nitrogen sources for growth of microorganisms.

The invention relates to a pollution-free hog house disinfectant prepared from the following raw materials in parts by weight: 12-15 parts of rhizoma anemarrhenae, 5-7 parts of catalpa leaf, 20-30 parts of rheum officinale, 5-12 parts of pericarpium citri reticulatae viride, 12-15 parts of cortex magnoliae officinalis, 20-30 parts of agastache rugosus, 10-15 parts of elsholtzia ciliata, 3-5 parts of cyrtomium rhizome, 6-9 parts of common andrographis herb, 3-7 parts of negundo chastetree fruit, 15-20 parts of table salt, and 5-12 parts of sodium bicarbonate. The product has quite good bactericidal and bacteriostatic effects, can effectively inhibit and kill pathogenic bacteria, fungi and viruses in the environment, also has inhibition and killing effects on various parasites, and especially has quite good bacteriostatic effect on escherichia coli, staphylococcus aureus and shigella dysenteriae; and the product is natural, safe and pollution-free, can be used in various stages of hog breeding, meets demands of consumers on pollution-free breeding and requirements of modern hog industry, and has broad market prospects.

The invention belongs to the field of macromolecule nano function materials and energy materials, relating to a polymer micelle modified by nano copper oxide and a preparation method of the polymer micelle. The polymer is an amphiphilic block polymer PEO43-b-P(tBAm-stat-AAn), wherein PEO is polyethylene oxide, PtBA is poly(t-butyl methacrylate), PAA is polyacrylic acid, m is ranged from 5 to 25, and n is ranged from 15 to 45; the micelle with the nano copper oxide deposited in the inner core is of a structure which is as follows: PEO is used as the shell of the micelle, P(tBAm-stat-AA) is used as the inner core of the micelle, and the nano copper oxide is wrapped by the AA section of the micelle inner core. The polymer and nano copper oxide composite micelle can improve the thermal conductivity of the solution; and meanwhile, the micelle has good biocompatibility and biodegradability, and wide application prospect.

The invention relates to a natural textile dye and a preparation method thereof. The natural textile dye comprises the following raw materials in parts by mass: 20-30 parts of impatiens balsamina extracts, 6-8 parts of camphor tree leaf extracting solution, 6-8 parts of ephedra and 6-8 parts of tea leaves. The preparation method comprises the following steps of (1) smashing ephedra and tea leaves; (2) heating ephedra and tea leaves, stirring, absorbing and filtering; (3) extracting the filtrate by using ethyl acetate, adding impatiens balsamina extracts and camphor tree leaf extracting solution, heating and stirring to obtain a red brown paste, namely, the natural textile dye. The natural textile dye is safe, environment-friendly, capable of taking mildew-proof and anti-bacterial effects, favorable in pigment stability as well as simple and easy in preparation method.

The invention discloses a catalytic degradation method for petroleum-contaminated soil. The catalytic degradation method for the petroleum-contaminated soil is characterized in that a mixture of the contaminated soil, water and a catalyst is added into a polytetrafluoroethylene sealed pot and then is placed in a microwave digestion instrument for degradation; the mass of the added catalyst accounts for 0.2%-1.0% of the mass of the contaminated soil, and the mass of the added water accounts for 5.0%-30.0% of the mass of the contaminated soil; the microwave treatment time is 3-11 minutes; according to the microwave treatment conditions, the microwave frequency is 2450 MHz, the rated microwave output power is 400 W, and the pressure is 0.2 MPa. According to the catalytic degradation method for the petroleum-contaminated soil, the pollutant removal efficiency is high, the speed is high, operation is easy, and the cost is low; microwave chemical degradation is conducted, the catalyst added into the contaminated soil is the substance contained in the soil, no toxic effect on the soil can be caused, secondary pollution is avoided, and the method is an environment-friendly method for treating organic compounds in the soil.

The invention discloses a fermentation agent for degrading aflatoxin, and a preparation method and application thereof, and belongs to the technical field of toxin degradation. The fermentation agentfor degrading the aflatoxin is formed by a compound microbial agent and a synergist according to the weight-to-volume ratio of 4:1, and the compound microbial agent is formed by Streptococcus thermophilus, bifidobacterium, candida utilis and bacillus licheniformis which are mixed according to the weight ratio of (1-5):(1-5):(3-8):(3-8). The fermentation agent can effectively degrade the aflatoxinB1 in crops or agricultural products, and a degraded product is safe and does not generate the toxic effect on animal bodies.

The invention relates to the technical field of refractory materials. A magnesia zircon brick is prepared from the following components in parts by weight: 40 to 50 parts of alundum particles, 35 to 40 parts of fused magnesia particles, 2 to 10 parts of a-alumina micro powder, 5 to 8 parts of zirconium dioxide, 1 to 2 parts of fine silica powder, 15 to 25 parts of Fe2O3 powder, 2 to 5 parts of binding agents, 0 to 1 part of water reducing agent, 0.5 to 1 part of yttrium oxide, and 3 to 4 parts of calcium lignosulfonate. The invention also provides a preparation method of the magnesia zircon brick. The preparation method of the magnesia zircon brick comprises the following steps of: mixing raw materials, mixing and stirring in a blender mixer to obtain a mixture, then putting the mixture into a mold, performing pressing moulding, preheating a pressed green body, and then sintering the green body to obtain a finished product. The magnesia zircon brick and the preparation method thereof have the advantages of no pollution, high temperature resistance, corrosion resistance and thermal shock resistance.

The present invention relates to a kind of compound fertilizer containing effective silicon component, nitrogen fertilizer, phosphate fertilizer and potash fertilizer, and the compound fertilizer contains reaction residue of flyash treating waste alkali liquid 20-30%, nitrogen fertilizer 30-40%, potash fertilizer 10-20%, ordinary calcium superphosphate 15-30%. Experiment shows that the compound fertilizer has obvious effect of increasing wheat, corn and other crops and no any toxic side effect.

The invention relates to synthetic antibacterial peptide comprising polypeptide selected from SEQ ID NO:1-SEQ IDNO:13 amino acid sequences, and polypeptide of a functional equivalent obtained from thesynthetic antibacterial peptide through cyclization, N-terminal and C-terminal modification, translation from L-type amino acid to D-type amino acid, and sequence terminal deletion. The synthetic antibacterial peptide is synthesized by a solid phase chemical method. The synthetic antibacterial peptide has broad-spectrum killing activity to gram negative bacteria, gram positive bacteria and epiphytes, has stronger bactericidal activity than natural antibacterial peptide, has no toxic action on animal and plant cells, and can be used for preparing medicaments for curing infectious diseases.

The invention discloses whitening vanishing cream, which is prepared from the following raw material in percentage by weight: 1.2 percent of beewax, 6 percent of stearic acid, 0.2 percent of tertiary butylhydroquinone, 3 percent of cetanol, 3 percent of glycerol, 4 percent of D-arbutin, 2.5 percent of isopropyl myristate, 3 percent of sorbitol, 6 percent of monostearate squalane, 1.5 percent of potassium hydroxide, 0.5 percent of methylparaben, 0.3 percent of essence and 68.8 percent of deionized water. The whitening vanishing cream contains D-arbutin, monostearate squalane and other nutritional agents; therefore, the whitening effect of the whitening vanishing cream is better, the effect lasts longer, and skin irritation is eliminated.

A preparation method for a konjak dog food includes fine konjak powder gelatinization, modified fine konjak powder sol product preparation, material blending and finished product preparation. Fine konjak powder is adopted as a main material, the preparation method is simple, a great deal of equipment investment is not needed, and the cost is low. The product contains a variety of vitamins, potassium, phosphorus, selenium and other mineral elements, is rich in nutrition and fibers, and can promote gastrointestinal motility, relax the bowel, prevent constipation and reduce the absorption of fatby the intestines in order to prevent diabetic mellitus. On the basis of keeping rich, balanced nutritional ingredients, the konjak dog food avoids side effects caused by overhigh animal protein, andmeanwhile, the konjak dog food also has a variety of physiological functions, such as intestinal regulation, weight reduction, calcium supplementation, elimination of toxicants stomach cleaning and the like; and the konjak dog food is a green, healthy and economic dog food, and cannot produce toxic and side effects after being used for a long time.

The invention provides a harvested fruit disease control preparation based on induction activity resistance, which consists of a saccharomyces cerevisiae cell wall product and water; the mass concentration of the saccharomyces cerevisiae cell wall product in the preparation is 0.1%-1%. The invention also provides a harvested fruit disease control method based on the induction activity resistance,which comprises the following steps of: inoculating the preparation at a wound of a fruit so that the preparation completely covers the wound of the fruit; and putting the fruit into a container for storage in a sealed state after the preparation at the wound of the fruit is naturally air-dried. The saccharomyces cerevisiae cell wall (1-3)-beta-D-glucan and saccharomyces cerevisiae cell wall beta-D1,6-glucan are rich in resources, low in cost, high in cost performance, easy to produce and transport and biodegradable.