177 results about "SODIUM SARCOSINATE" patented technology

The invention discloses an agricultural thickening synergistic agent which comprises the following components by weight percent: 10-30% of fatty alcohol polyoxyethylene ether sulfate, 10-20% of alkyl glycoside, 5-25% of sodium lauroyl sarcosinate, 5-10% of fatty alcohol polyoxyethylene ether, 5-15% of ammonium sulfate and the balance of water. The invention also discloses a glufosinate solution containing the agricultural thickening synergistic agent. The agricultural thickening synergistic agent has the characteristics of being good in wetting synergistic action and stable in performances, and is good in thickening synergistic effect; the glufosinate solution prepared from the agricultural thickening synergistic agent has higher viscosity, is beneficial to improving the adhesive force and the moisturizing performance of a liquid medicine, is beneficial to the internal absorption and the conductivity of glufosinate, and can promote the pesticide effect to be fully exerted; and furthermore, the agricultural thickening synergistic agent also has excellent biodegradability, and is high in safety to the environment and organisms, thus well fitting the development requirements of future agricultural surface active agents.

The invention relates to foaming agent type shampoo which comprises (30 percent) 20 percent to 40 percent of lauryl alcohol polyoxyethylene ether sulpho succinate monoester disodium salt, (30 percent) 20 percent to 40 percent of lauroyl sodium sarcosinate, 0.1 to 0.5 percent of disodium EDTA, 1 to 5 percent of sodium lactate, (40 percent) 1 to 5 percent of polyquat-7, (30 percent) 2 to 5 percent of acrylate copolymer, 1 to 6 percent of PEG-12 dimethyl silicone, 0.1 to 1 percent of aromatic oil or essence, 0.01 to 0.3 percent of citric acid, and 0.04 to 1 percent of preservative agents, and the rest is deionized water. the foaming agent type shampoo is characterized in that foam is squeezed out through a mousse pump head, and the shampoo is not centralized at the top of the head but applied and diffused to other parts, so that the contact of chemical substances and the scalp can be reduced, the probability of furfur, calvities and balding can be reduced, and the effects of economy, environmental friendliness and no side effect can be achieved.

The invention discloses an agricultural thickening synergist. The agricultural thickening synergist comprises the following components by mass percent: 1-40% of fatty alcohol polyoxyethylene ether sulfate, 0-30% of alkyl glycoside, 5-15% of sodium lauroyl sarcosinate, 5-10% of sodium alkyl benzene sulfonate, 5-15% of ammonium sulfate and the balance of water. The invention also discloses an application of the agricultural thickening synergist in a glyphosate isopropamide salt water agent and a glyphosate salt water agent. The agricultural thickening synergist has the characteristics of better wetting synergy effect, more stable performance and better thickening synergy effect; by using the glyphosate salt water agent, the agricultural thickening synergist has high viscosity, the adhesive force and moisture property of the liquid medicine are improved, the internal absorption and conductivity of the glyphosate are realized, and the pharmacological function can be fully realized. Besides, the agricultural thickening synergist has excellent biological degradability, has high safety to the environment and organisms, and meets the development requirement of the agricultural surface active agent in the future.

The invention provides oil-control anti-hair-loss liquid shampoo and belongs to the technical field of washing and cosmetic products.The oil-control anti-hair-loss liquid shampoo comprises, by percent content, 15-20% of sodium lauryl polyoxyethylene ether sulfate, 5-10% of cocoamidopropyl betaine, 5-10% of sodium lauroyl sarcosine, 1-3% of cocamidopropyl DEA, 1-2% of cocamidopropyl MEA, 1-5% of isopropanol, 1-5% of glossy privet fruit extract, 1-5% of prepared rehmannia roots, 1-5% of ginger extract, 1-5% of cacumen biotae extract, 0.5-1.5% of thickener, 0.1% of bactericide, 0.1% of citric acid and the balance water, wherein the percent content of all components sums up to 100%.According to the oil-control anti-hair-loss liquid shampoo, through mutual compatibility and the synergistic effect of all the components, the oil-control and anti-hair-loss effects can be achieved, oil control time is effectively prolonged, hair can maintain clean and cool for a long time, and thereby the effect of preventing alopecia seborrhoeica is achieved.

The invention relates to foaming agent type shampoo which comprises (30 percent) 20 percent to 40 percent of lauryl alcohol polyoxyethylene ether sulpho succinate monoester disodium salt, (30 percent) 20 percent to 40 percent of lauroyl sodium sarcosinate, 0.1 to 0.5 percent of disodium EDTA, 1 to 5 percent of sodium lactate, (40 percent) 1 to 5 percent of polyquat-7, (30 percent) 2 to 5 percent of acrylate copolymer, 1 to 6 percent of PEG-12 dimethyl silicone, 0.1 to 1 percent of aromatic oil or essence, 0.01 to 0.3 percent of citric acid, and 0.04 to 1 percent of preservative agents, and the rest is deionized water. the foaming agent type shampoo is characterized in that foam is squeezed out through a mousse pump head, and the shampoo is not centralized at the top of the head but applied and diffused to other parts, so that the contact of chemical substances and the scalp can be reduced, the probability of furfur, calvities and balding can be reduced, and the effects of economy, environmental friendliness and no side effect can be achieved.

The invention belongs to the technical field of magnetic bead application, and discloses a magnetic bead suspension for nucleic acid purification and screening and application thereof. The magnetic bead suspension comprises a carboxylated modified nano magnetic bead, PEG polyethylene glycol, sodium chloride and / or magnesium chloride, ethylenediaminetetraacetic acid, Tris-HCl, N-sodium lauroyl sarcosinate and Tween 20, a solvent is water, and the concentration of the nano magnetic bead is 0.1-5 mg / mL. The magnetic bead suspension can purify nucleic acid with a recovery rate of up to 96.42%, andhave a good DNA fragment screening function. The magnetic bead suspension has stable performance, is suitable for high-throughput sample operation, has low cost and high flexibility, and is suitablefor use in various workstations.

The invention belongs to the field of daily chemical products and specifically relates to a low-stimulation hair-cleaning compound. The low-stimulation hair-cleaning compound contains 5.0-40.0% of surface active agents, 0.5-2% of wetting agents, 0.05-0.1% of chelating agents, 0.1-0.6% of preservatives, 0.2-0.8% of thickening agents, 0.05-0.1% of anti-sensitization agents, less than or equal to 1%of essences, and the balance of water. The surface active agents are selected from at least one of cocamidopropyl betaine, alkyl glycoside, sodium lauroyl sarcosine and polyoxyethylene (80) triol laurate. The low-stimulation hair-cleaning compound does not contain the traditional strong-stimulation surface active agents; the new amino acid surface active agents and the amphoteric surface active agents are adopted; and the low-stimulation hair-cleaning compound is a hair-cleaning compound which has the advantages that the foaming property is excellent, the cleaning capacity is moderate, the excessive degreasing is avoided, the hair is free from being dry and unsmooth, and the hair-cleaning compound does not contain any cation and silicone oil, is deposition-free, does not generate residuesand is mild and stimulation-free.

The invention relates to green antibacterial efficient cleanser essence and a preparation method thereof, and belongs to the technical field of detergents in daily-use chemical industries. The green antibacterial efficient cleanser essence comprises the following components by weight: 5-10 parts of tea saponin, 0.2-0.5 part of nano-silver, 0.5-1 part of a natural substance extractive, 15-25 parts of lauryl sodium sulfate, 5-10 parts of sodium lauroyl sarcosine, 5-10 parts of ethylene diamine tetraacetic acid, 1.2-1.8 parts of citric acid, 1.2-1.8 parts of sodium citrate, 0.5-1 part of refined salt, 0.5-1 part of sodium benzoate, 0.5-1 part of AES, and 30-40 parts of water. The preparation method comprises the following steps: using lauryl sodium sulfate, sodium lauroyl sarcosine, the ethylene diamine tetraacetic acid and the water according to the proportion and mixing uniformly, putting ethylene diamine tetraacetic acid into the water and stirring uniformly, then adding the citric acid, sodium citrate, the refined salt, and sodium benzoate into the water slowly while stirring at the temperature of 35-40 DEG C until a product is sticky, finally, adding tea saponin, the nano-silver, the natural substance extractive, and the AES and stirring at the temperature of 40-45 DEG C for 8-10 h to obtain a finished product. Compared with conventional cleanser essence, the green antibacterial efficient cleanser essence has high dirt-removing power, little residual, nontoxicity and an antibacterial effect.

The invention discloses a preparation and application method of a water-based paint remover. The water-based paint remover consists of sodium hydroxide, a surface active agent and a composite additive. The mass fraction of sodium hydroxide is 3%-10% that of the surface active agentis 0.5%-2%, that of the composite additive is 1%-6%, and the rest is water. The surface active agent is octadecyl dihydroxy diethyl betaine; and the composite additive is composed of three of sodium lactate, sodium malate, sodium sarcosinate, natrium aceticum and sodium gluconate. The water-based paint remover disclosed by the invention has the characteristics of being efficient, environmentally-friendly, safe, nontoxic, barely corrosive and hard to volatilize, can be used for removing the paint from common metal and plastic base materials, and is simple and easy to prepare and use.

The invention discloses a nourishing youth-keeping facial cleanser and a preparation method thereof. The facial cleanser comprises the substances of: coconut oil, rose infused oil, snow Lotus herb infused oil, gum Arabic, west tragacanth gum, coconut juice, coconut oil fatty acid disodium glutamate, sodium sarcosinate, fatty acid methyl ester sulfonate, glycerine, distilled water, white fungus extract liquid, watermelon extract liquid, lily extract liquid, sodium chloride, vitamin E, a cationic guar gum solution, an essence, ethyl paraben, and disodium edetate. The nourishing youth-keeping facial cleanser provided by the invention has a milky-white color, and is transparent and crystal. The facial cleaner has a proper viscosity, a proper consistency, good stability, rich foam, and good fragrance. The facial cleanser can provide nutrients and deep nourishing effects for facial skins. With the facial cleanser, the skins can turn moistened and elastic.

The invention discloses a refreshing, anti-dandruff, nourishing and healthful shampoo and a preparation method thereof. The shampoo contains the following materials: sodium dodecylsulfate, sodium sarcosinate, MES, AES, CAB, 22SB, Arabia gum, tragacanth, a soapberry extract, a weeping willow branch extract, a trumpet creeper extract, a hibiscus leaf extract, a mint extract, glycerol, ethylenediaminetetraacetic acid disodium salt, Parahydroxy benzoic acid methyl easter, ethyl ester, tea seed oil, vitamin C, cationic guar gum, sodium alginate, propylene glycol, distilled water and essence. Compared with the prior art, the shampoo provided by the invention has advantages of mild property and high safety; active substances in natural plants are combined with a surfactant to inhibit dandruff, so as to achieve natural and mild anti-dandruff effect; besides, the shampoo can supplement the hair with nutrients and moisture and prevent dry scalp.

The invention relates to the technical field of skin care products, in particular to mung bean enzyme facial cleansing gel. The mung bean enzyme cleansing cleansing gel includes the following components in weight percent: 0.8-1.2 alkanol acrylate cross-linked polymer, 20-30 lactic acid bacteria or mung bean seed extract fermentation product filtrate, 0.05-0.1 EDTA sodium, curacao Aloe Vera Leaf Extract 0.3‑0.5, Trehalose 1‑3, 30% Sodium Lauroyl Sarcosinate 2‑6, Jojoba Wax PEG‑120 Esters 1‑3, Butanediol 1‑5, Usnea tobeta Extract 0.01‑0.05, Chlorphenesin 0.1‑0.3, Podocarpus Extract 0.5‑2, 1.3 Propylene Glycol 0.8‑1.5, PEG‑40 Hydrogenated Castor Oil 1‑4, Olive Oil PEG‑7 Esters 1‑4, Coco-based Glucoside 1‑5, Water 2‑4, Chitosan Monosuccinamide 2‑5, 10% Potassium Hydroxide, 5% Restoring Chinese Medicine Extract. The mung bean enzyme cleansing and cleansing gel provided by the invention can gently cleanse, remove makeup, repair sensitive skin, purify skin, remove acne and repair.

The invention relates to a soap ammonia type facial cleansing product and a preparation method thereof. The product comprises an amino acid surfactant, a soap-based surfactant, an auxiliary surfactant, an auxiliary agent and a solvent, wherein the amino acid surfactant is at least one selected from potassium cocoyl glycinate, sodium cocoyl glycinate, sodium lauroyl sarcosine, TEA-cocoyl alaninate,sodium cocoyl glutamate, TEA-lauroyl glutamate, sodium lauroyl glutamate and sodium palmitoleyl glutamate; the soap-based surfactant is at least one selected from potassium cocoate, potassium laurate, potassium myristate, potassium palmitate and potassium stearate; and the auxiliary surfactant is at least one selected from sodium lauroamphoacetate, lauryl hydroxyl sulphobetaine, cocamidopropyl betaine, lauryl glucoside, decyl glucoside, cocamidopropyl betaine, cocamide, dodecyl dimethyl betaine and palm kernelamide. The cleaning agent has the characteristics of low irritation, high cleaning efficiency, rich foam and good use feeling.

The invention discloses a method of preparing sarcosine by a bipolar membrane electrodialysis process. The method comprises the following steps: diluting a sodium sarcosinate aqueous solution to 5%-25%, then, adding a pre-prepared 5% sodium sulfate solution into a material chamber and a polar chamber, adding equal volume of deionized water into the acid chamber and an alkaline chamber, starting a circulating pump in each chamber after getting ready, regulating flow velocity to 3cm / s-25cm / s, starting a bipolar membrane electrodialysis equipment power supply, controlling the temperature to 10-50 DEG C in an electrodialysis process, and regulating current to 1-10A; after the conductivity of the material chamber is reduced to 1000 mu s / cm-3000 mu s / cm, stopping operation, discoloring, concentrating, separating and drying a feed liquid obtained in the acid chamber to obtain sarcosine, and also discoloring, concentrating, separating and drying a sodium hydroxide solution obtained in the alkaline chamber. The invention aims to provide the method of preparing sarcosine by the bipolar membrane electrodialysis process, which is simple and efficient, low in cost, free of pollution, and capable of comprehensively utilizing a byproduct sodium hydroxide.

The invention discloses a SLS lysis solution which can quickly extract fungal DNA. The SLS lysis solution contains following components (calculated by the total volume of solution): 1 - 3 g / 100ml of N-lauroyl sodium sarcosinate, 150 - 300mmol / L of Tris-HCl, 150 - 300mmol / L of NaCl, and 50 - 100mmol / L of EDTA; and the pH value is ranged from 7.5 to 8.5. The SLS lysis solution of the invention takes N-lauroyl sodium sarcosinate as the main functional component to make up the DNA extracting solution; and the DNA extracting solution can be used for extracting fungal DNA. Due to the excellent biologic degradability, the DNA extracting solution can be used for directly breaking the cell wall of pathogenic fungi, thereby avoiding the complicated physical processing of the cell-wall breaking in traditional method in extracting fungal DNA, and greatly simplifying the extracting of DAN.

The invention discloses a petal shower gel and a preparation method thereof. The petal shower gel is prepared from, by mass, 50-80 parts of deionized water, 2-10 parts of sodium cocoyl sarcosinate, 1-5 parts of cocamidopropyl betaine, 5-10 parts of coccyl sodium methyl taurate, 1-5 parts of alkyl glycoside, 2-15 parts of plant extractives, 0.5-2 parts of petals, 2-12 parts of a suspension agent, 1-10 parts of a pH regulating agent, 1-10 parts of a wetting agent, 0.1-5 parts of a corrosion remover, 0.01-1 part of pigments and 0.1-1 part of essence. The petal shower gel is a green, healthy and safe plant transparent shower gel, is attractive in appearance and aromatic in smell, and has the effects of cleaning skin, achieving moisturizing and whitening, resisting bacteria and the like, and the petal shower gel is green and environmentally friendly, and environmental contaminations are reduced.

The invention relates to the technical field of skin care and cleansing, and particularly discloses amino acid cleansing cream and a preparation method thereof. The amino acid cleansing cream is characterized by comprising a surfactant compound with a specific self-thickening effect, wherein the surfactant compound is composed of an amino acid surfactant and an anionic surfactant. The cleansing cream is prepared from the components of, by mass, 5 to 20% of glycerin, 15 to 35% of amino acid surfactant, 20 to 40% of anionic surfactant, 0 to 4% of thickening stabilizer, 0.2 to 4% of plant extract, 1 to 10% of ceramide 3, 0.05% of tea tree oil, 0.6% of hexanediol and the balance of common matrix and / or water in cosmetics. The amino acid surfactant is prepared from sodium cocoyl glutamate, sodium lauroyl sarcosine and potassium cocoyl glycinate. The anionic surfactant is disodium lauryl sulfosuccinate. The cleansing cream provided by the invention is mild, non-irritant, sufficient in cleansing power, capable of effectively strengthening the skin barrier, suitable for long-term use and good in product stability, and the skin is moistened and not tight.

The invention relates to a mouth care toothpaste containing prebiotics. The mouth care toothpaste is prepared from the prebiotics, calcium hydrophosphate, sorbitol, propylene glycol, cocamidopropyl betaine, sodium lauroyl sarcosine, sodium carboxymethylcellulose, carrageenan, xanthan gum, sodium pyrophosphate, essence, potassium sorbate and water in a certain weight ratio, wherein the prebiotics are a mixture of alkaline non-digestible functional oligosaccharide and non-alkaline non-digestible functional oligosaccharide. The mouth care toothpaste has the physicochemical properties of low calorie, stability, safety, nontoxicity and the like, the toothpaste can be utilized by bifidobacteria, lactobacilli and other beneficial bacteria in the mouth, reproduction of the beneficial bacteria is promoted, and the fermentation products of the beneficial bacteria, such as lactic acid, acetic acid and other organic acid, can inhibit growth of colibacillus, bacteroides, clostridia and other putrefying bacteria, the microbial community structure is optimized, the sub-health status of the mouth is improved, and the immunity of the organism is improved.

The present invention relates to the field of nucleic acid extraction, particularly to a nucleic acid extraction method and a kit. The kit comprises a nucleic acid chemical cracking solution and an inhibition component removing solution, wherein the nucleic acid chemical cracking solution comprises guanidinium isothiocyanate, N-lauroyl sarcosine sodium salt and PBS; and the inhibiting component removing solution comprises a mixed solution of an aluminum ammonium sulfate dodecahydrate solution and cross-linked polyvinylpyrrolidone (PVPP) and ammonium acetate. The nucleic acid extraction methodcomprises the following steps of chemically cracking a sample by adopting the nucleic acid chemical cracking solution, removing impurities, adsorbing the nucleic acid, and performing washing, eluting,and collecting to obtain the nucleic acid. According to the method, comprehensiveness and unbiased property in nucleic acid extraction are fully considered, purity and integrity of nucleic acid are also considered, loss in the process is reduced to ensure concentration, nesting can be formed for different types of biological or environmental samples, and broad-spectrum applicability of the extraction method is guaranteed.

This invention relates to a method for synthesizing sodium sarcosinate from methyl monoethanolamine. The method comprises: adding methyl monoethanolamine 100 parts with deionized water 150-300 parts, lye 100-200 parts and metal-modified Cu framework catalyst (200-400 mesh) 5-15 parts, performing catalytic dehydrogenation reaction at 120-200 deg.C and 0.5-1.5 MPa for 2-8 h. The method does not produce NaCl during reaction, thus has simple post-treatment, and can be used to prepare daily chemical and pharmaceutical products. Besides, the method is harmless to operators and environment. The byproduct H2 can be recycled. The raw material, methyl monoethanolamine, is a byproduct of methyl diethanolamine preparation.

The invention discloses novel face cleansing beans and a preparation method thereof. The combined cleansing components of the novel face cleansing beans comprise, by mass percentage, 10-60% of modified corn starch, 1-10% of volcanic ash, 0.5-5% of diatomite, 1-10% of sodium lauroyl glutamate, 1-10% of sodium lauroyl sarcosine and 1-10% of algal polysaccharides. The total mass of the cleansing components accounts for 55-65% of the total mass of the novel face cleansing beans. The components of the novel face cleansing beans are mixed and then added into a forming machine to be prepared into spherical particles, and the formed semi-products are baked at 50-60 DEG C for 4-5 hours to obtain the novel face cleansing beans. The novel face cleansing beans have the advantages that the novel face cleansing beans jump out of the intrinsic cream form constraint, the face cleansing beans of various effects can be packed together in a combined to facilitate carrying and use, and a user can select the appropriate face cleansing beans according to the skin state and weather to cleanse the face; the face cleansing beans are safe, non-irritant, convenient to use, applicable to various skin types and high in safety and have effects of controlling oil, whitening, moisturizing and nourishing the skin.

The invention provides anti-hair-loss and hair-strengthening shampoo and a preparation method thereof, and the anti-hair-loss and hair-strengthening shampoo comprises the following components in percentage by mass: 1.6-2.3% of ammonium laureth sulfate, 2.2-3.6% of ammonium lauryl sulfate, 6.8-7.5% of sodium lauroamphoacetate, 4.5-5.3% of a cacumen biotae extract, 4.5-5.3% of a polygonum multiflorum root extract, 4.8-5.6% of a ginger root extract, 1.5-2.1% of polydimethylsiloxane, 5.5%-6.3% of sodium dodecyl benzene sulfonate, 0.5%-1.3% of cocamide MEA, 1.0%-1.6% of sodium lauroyl sarcosinate, 0.02%-0.1% of PCA sodium, 0.2%-0.5% of essence, 0.5%-1.0% of DMDM hydantoin, 0.6%-1.2% of guar gum hydroxypropyl trimethyl ammonium chloride, 0.05%-0.15% of pyridoxine HCl, 1.0%-1.5% of sodium chloride, 0.05%-0.15% of allantoin, 0.01%-0.08% of hydroxypropyl methyl cellulose, 0.8%-1.1% of citric acid, 1.8%-2.3% of EDTA disodium and the balance deionized water. By adding the polygonum multiflorum extract, the ginger root extract and the cacumen biotae extract, the shampoo can effectively clean scalp, promote generation of hair melanin, prevent and treat alopecia and nourish hair roots and hair follicles.

The invention provides a kit for extracting viral nucleic acid and an extraction method. The kit for extracting viral nucleic acid comprises a lysis solution, a magnetic bead suspension, a protease Kdissolving solution, a nucleic acid settling agent solution, a washing solution and an eluent, wherein the lysis solution comprises Tris-fHCL, guanidinium isothiocyanate, sodium N-lauroyl sarcosine, EDTA, TritonX-100, CTAB and Antifoam 204; the washing solution comprises Tris-HCL, PEG6000 and sodium chloride; and the eluent is pure water. According to the kit and the extraction method, the extraction effect of nucleic acid is improved, extraction of viral nucleic acid at room temperature can be realized, gene pollution caused by heating treatment is avoided, in addition, the influence of ethanol on the extraction process is avoided, and compared with a conventional magnetic bead method, the extraction time can be shortened to about 15 minutes, and the extraction process is faster, simplerand more convenient.

The invention relates to a non-ionic low-irritation infant liquid laundry detergent. The non-ionic low-irritation infant liquid laundry detergent comprises the following components in parts by weight: 15-20 parts of non-ionic surfactant, 10-20 parts of alkyl glucoside, 5-10 parts of sodium sarcosinate, 0.1-0.6 part of bisabolol, 0.5-5 parts of clothing penetrant, 0.5-2 parts of protease stabilizer, 0.5-2 parts of thickener, 0.1-1 part of clothing disinfectant, 0.3-2 parts of clothing softener, 0.01-0.5 part of clothing defoaming agent, 0.01-0.5 part of aloe extract, 0.01-0.5 part of preservative, 0.1-0.5 part of essence and the balance of water, wherein the non-ionic surfactant is at least one of sorbitan ester, glycol ester and sucrose ester. The non-ionic low-irritation infant liquid laundry detergent provided by the invention adopts the polyhydric alcohol type non-ionic surfactant, hydrophilic groups in molecules are hydroxyl groups, and as the products are obtained from natural products, the non-ionic low-irritation infant liquid laundry detergent has the characteristics of easiness in biodegradation and low toxicity, and has no irritation to skin of infants.

The invention relates to a Hantavirus ultra-fast fluorescent PCR detection kit and a primer probe combination thereof. The Hantavirus ultra-fast fluorescent PCR detection kit comprises an extraction reagent, an amplification reagent and a control reagent; the extraction reagent is composed of sodium dodecyl sarcosinate|sodium N-Lauroyl sarcosinate (NLS) [(W / V)NLS], dithiothreitol DTT, TE buffer liquid and an NP-40 surfactant; the amplification reagent includes an RT-PCR reaction solution mixed with Hantavirus and a detection reagent of a 16-pore microfluidic chip; the control reagent comprisesa negative control and a positive control; the detection reagent comprises the RT-PCR reaction solution and is composed of Buffer, 2.0 mM dNTPs, 1 U / MuL of Taq DNA polymerase, 2 U / MuL of M-MLV reverse transcriptase, 0.3 U / MuL of RRI, the Hantavirus and a human internal standard gene detection primer probe. The negative control includes DEPC water, and the positive control includes artificially constructed pseudo-viruses containing fragments of target genes.

The invention relates to the technical field of a DNA extraction kit, in particular to a whole blood genome DNA extraction kit. The whole blood genome DNA extraction kit comprises lysate, an adjustingbead, a nano magnetic bead, a washing solution A, a washing solution B and an eluent; the lysate contains guanidine thiocyanate, sodium N-lauroyl sarcosinate, guanidine hydrochloride, proteinase k and Tween 20; the adjusting bead contains a semipermeable membrane balloon, and sodium chloride is put in the semipermeable membrane balloon; the nano magnetic bead is ferroferric oxide wrapping siliconoxide; the washing solution A contains hexadecyl trimethyl ammonium bromide, Tris-HCl, guanidine thiocyanate, absolute ethyl alcohol and FMES; the washing solution B contains Tris-HCl and absolute ethyl alcohol; the eluent contains Tris-HCl and disodium EDTA. When the kit is in use, the adjusting bead absorbs moisture produced in a fragmentation process and adjusts concentration of the lysate, the recovery efficiency of nucleic acid cannot be adversely affected, and accuracy of a detection result is guaranteed.

The invention relates to a composite scale and corrosion inhibitor for ammonium-nitrogen-containing circulating cooling water, which is adopted when ammonium-nitrogen-containing sewage is used for circulating cooling water. The composite scale and corrosion inhibitor adopts 2-pentadecyl-1-(maleic amide)-ethyl-imidazoline and modified starch as main ingredients, wherein the 2-pentadecyl-1-(maleic amide)-ethyl-imidazoline is a corrosion inhibitor which is better in corrosion inhibition while being independently used; the modified starch is a natural and degradable scale inhibitor which has problems of being large in dosage, not good in treatment effect and easy to decompose. According to the composite scale and corrosion inhibitor for ammonium-nitrogen-containing circulating cooling water disclosed by the invention, the 2-pentadecyl-1-(maleic amide)-ethyl-imidazoline and the modified starch are compounded and then added with a little p-amido benzoyl gluten acid, sodium lauroyl sarcosinate, dodeca-tungsten polyoxometallate, 1,3,5-triazine-2,4,6-tricarboxylic acid and glycerol to obtain the composite scale and corrosion inhibitor which is good in corrosion inhibition effect and scale inhibition effect; besides, calcium carbonate scale inhibition rate is over 99.7%, and carbons steel corrosion rate is lower than 0.027 (mm / a).

The invention discloses resin-based metal copper anticorrosion coating and a preparation method thereof. The coating comprises, by weight, 0.2-0.4 part of p-tert-amyl phenol, 1-2 parts of sodium lauroyl sarcosine, 1-2 parts of amino trimethylene phosphonic acid, 10-14 parts of vinyl trimethoxy silane, 200-300 parts of 1.8-2g / l citric acid solution, 13-17 parts of silane coupling agent KBM5103, 100-110 parts of tetraethylortho silicate, 30-37 parts of hexafluorobutyl acrylate, 0.1-014 part of azodiisobutyronitrile, 5-7 parts of 20-25% ammonium water, 4-5 parts of ferroferric oxide, 2-3 parts of perfluorosulfonate resin, 1-2 parts of borax, 0.2-0.5 part of beta-hydroxyl alkyl amide and 3-4 parts of sorbitol monoleate. The resin-based metal copper anticorrosion coating can form various hybridization coating surfaces of different structures, and the different-structured coating surfaces combine with exposed low-surface-energy ethylene groups to allow the coating to have a super-hydrophobic property.

The invention discloses a refreshing, anti-dandruff, nourishing and healthful shampoo and a preparation method thereof. The shampoo contains the following materials: sodium dodecylsulfate, sodium sarcosinate, MES, AES, CAB, 22SB, Arabia gum, tragacanth, a soapberry extract, a weeping willow branch extract, a trumpet creeper extract, a hibiscus leaf extract, a mint extract, glycerol, ethylenediaminetetraacetic acid disodium salt, Parahydroxy benzoic acid methyl easter, ethyl ester, tea seed oil, vitamin C, cationic guar gum, sodium alginate, propylene glycol, distilled water and essence. Compared with the prior art, the shampoo provided by the invention has advantages of mild property and high safety; active substances in natural plants are combined with a surfactant to inhibit dandruff, so as to achieve natural and mild anti-dandruff effect; besides, the shampoo can supplement the hair with nutrients and moisture and prevent dry scalp.

A multiple-effect cleaning liquid is characterized by being prepared from components in percentage by weight as follows: 12%-15% of myristyl glucoside, 13%-15% of alkyl polyglucoside, 4%-7% of sodium cocoyl glycinate, 5%-9% of sodium lauroylsarcosinate, 2%-4% of CQAL 100, 0.05%-0.5% of Australian tea tree oil, 0.1%-0.3% of green tea essential oil, 0.1%-0.3% of lemon peel extract, 0.5%-2% of betaine, 2%-4% of glucoside, 0.05%-0.2% of citric acid, 0.3%-0.5% of a protease decomposer, 0.1%-0.3% of sodium citrate, 0.2%-0.4% of potassium sorbate and the balance of water. The cleaning liquid contains no phosphorus, sulfur, aluminum or salt compounds of phosphorus, sulfur and aluminum, is matched with certain phytoextraction essences, is natural, non-toxic, free of residues, skin-friendly and easy to decompose and can be used for cleaning clothes, kitchen ware tableware, melons, fruits, vegetables, floors and the like.