32 results about "Lauroyl sarcosinate" patented technology

The invention provides a lysis solution for extracting nucleic acid through a magnetic bead method. The lysis solution is prepared from 0.2-0.4 N sodium hydroxide, 0.3-0.6 M potassium chloride, 0.01-0.05% sodium n-lauroyl sarcosinate, 5mM EDTA, 0.3-0.6 M Tris-HCL and 1-2% triton X-100. The lysis solution for extracting nucleic acid through the magnetic bead method can fully and effectively lyse cells to accelerate the lysis progress and also can protect nucleic acid against oxidation to prevent formation of DNA dimmers. Besides, the lysis solution is stable in property and free of influences of seasons, temperature, saline ion concentration and the like and can carry out nucleic acid adsorption by fully cooperating with magnetic beads to achieve the optimal nucleic acid extraction effect. The scrubbing solution for extracting nucleic acid through the magnetic bead method can effectively remove residual impurities and avoid loss of nucleic acid, and a small quantity of the residual scrubbing solution does not influence the PCR application effect, so that the accuracy of detection results is guaranteed.

The invention discloses a novel material capable of quickly settling suspended particulates. The novel material capable of quickly settling suspended particulates comprises a wetting agent, a foaming agent, a coating agent, an adhesive, a settling agent and a dispersing agent. The wetting agent is EO-PO polylol; the foaming agent is sodium N-lauroyl sarcosinate; the coating agent is carboxymethyl chitosan; the adhesive is water glass; the settling agent is aluminum potassium sulfate dodecahydrate; and the dispersing agent is a water-ethanol mixture. The wetting agent can wet suspended particulates with different compositions and particle sizes, and adjust the surface tension. The foaming agent can increase the collision capture probability between the material and suspended particulates. The coating agent can be coated on the suspended particulates to firmly capture the suspended particulates, thereby avoiding secondary pollution. The adhesive can enhance the bonding strength between the suspended particulates and the material disclosed by the invention. The settling accelerant can aggregate the coated and bonded suspended particulates, thereby accelerating settling. The removal effect of suspended particulates is greatly enhanced by using the principles of wetting, foaming, coating, bonding and settling acceleration.

The present invention relates to a cosmetic composition. The composition comprises a cosmetic composition acceptable carrier, the cosmetic composition acceptable carrier comprises an emulsifier, a preservative system and an essence, the composition further comprises omega-3 anti-aging active matters accounting for 1-5% of the total weight of the composition, the omega-3 anti-aging active matters are from extract of deep sea fish oil, and the active matters comprise 15-30 wt% of eicosapentaenoic acid (EPA), 15-30 wt% of docosahexaenoic acid (DHA), 10-20 wt% of gamma-linolenic acid (GLA), 0.5-2wt% of vitamin E acetate and 59.5-18 wt% of isopropyl lauroyl sarcosinate. The cosmetic composition allows active matters to be well absorbed by skins, and can also be used for scalp and hair care.

A method of cleaning oily solid particles entrapping heavy crude oil comprises the steps of creating electrostatic repulsion in between the surface of the oily solid particles and the entrapped heavy crude oil through negatively charging the surface of the oily solid particles with a basic solution; reacting the oily solid particles with an emulsified composition containing light hydrocarbon in the presence of the basic solution to displace the entrapped heavy crude oil from the surface of the oily solid particles using the light hydrocarbon; separating the reacted oily solid particles into a liquid phase and a solid phase; and removing residues of the emulsified composition from solid phase, wherein the emulsified composition comprises a surfactant in 2 to 40% by weight of total composition selected from alkyl polyglycosides, glyceryl-based surfactant, polyglyceryl-based surfactant, sucrose-based surfactant, sorbitol fatty acid esters, sulfofatty acid methyl esters, acylated aminoacids, acyl glutamates, acyl glycinates, acyl alaninates, lauroyl sarcosinate, nopol alkoxylates; a co-surfactant in 1 to 30% by weight of total composition selected from the group consisting of C3 to C18 alcohols, C3 to C18 alkyl lactates, lecithins, C3 to C18 fatty acids, diols, amino acids and any mixtures thereof; an oil phase in 15 to 90% by weight of total composition; and an aqueous phase in 0.5 to 20% by weight of total composition.

The invention relates to the technical field of daily bathe goods, in particular to a formula of novel shampoo and a preparation method of the novel shampoo. The formula comprises the following components in percentage by weight: 12 percent of sodium N-lauroyl sarcosinate, 0.5 percent of gelatin, 1 percent of ethylene glycol distearate, 0.2 percent of ethylene diamine tetraacetic acid, 0.2 percent of eucalyptus oil, 4 percent of cocamidopropyl betaine, 0.5 percent of emulsified silicon oil, 0.5 percent of chitosan, 1.5 percent of olive oil, 5 percent of tea extractum and 74.6 percent of deionized water. The formula has proper proportion. The tea extractum is added, so the shampoo has the effects of sterilizing and relieving itching, diminishing inflammation and easing pain, promoting absorption and refreshing and the like, also has health-care functions of resisting oxidation, removing free radical, preventing caries, resisting cancer, deodorizing, inhibiting atherosclerosis, reducingblood fat, reducing blood pressure, preventing and treating angiosclerosis, preventing nyctalopia and cataract and the like, increases faint scent of tea, and keeping hair alive, so the shampoo is health-care shampoo with multiple effects.

The invention discloses a bacteria resisting amur corktree bark compound soap. The soap comprises the following raw materials in parts by weight: 0.05-0.15 part of amur corktree bark extract, 15-25 parts of sodium cocoate, 50-70 parts of sodium palmitate, 3-5 parts of cocamidopropylamine oxide, 3-5 parts of sodium N-lauroyl sarcosinate and 20 parts of water. The bacteria resisting amur corktree bark compound soap is exquisite and stable in foam, has mild properties and low skin irritation and can further resist and inhibit bacteria effectively especially after the amur corktree bark extract is added.

The invention provides a deep acne-removing facial cleanser and a preparation method thereof. The facial cleanser comprises the following substances in parts by weight: 15-20 parts of diatomite, 3-5 parts of potassium lauryl phosphate, 2-3 parts of glycerol, 10-15 parts of propylene glycol, 3-5 parts of cocamidopropyl betaine, 3-5 parts of dodecyl dimethyl betaine, 1-2 parts of sodium N-lauroyl sarcosinate, 150-160 parts of deionized water and 15-20 parts of an acne-removing gel solution, wherein the acne-removing gel solution is prepared by mixing a traditional Chinese medicine extracting solution and a polyvinyl alcohol aqueous solution. The deep acne-removing facial cleanser provided by the invention can deeply clean the interior of skin, and meanwhile, mainly extracts and treats activesubstances in traditional Chinese medicinal materials, so that the deep acne-removing facial cleanser has a good acne-removing effect.

The invention discloses evening primrose oil antibacterial wipes and a preparation method thereof. The evening primrose oil antibacterial wipes are composed of a base material and a liquid medicine loaded on the base material, wherein the liquid medicine is prepared from the following components: evening primrose oil, isopropyl lauroyl sarcosinate, sodium cetostearyl sulphate, glycerol, an antibacterial agent and water. The evening primrose oil antibacterial wipes can play effects of cleaning, moistening, disinfecting and sterilizing skin.

The invention discloses a preparation method of plant shampoo, comprising the following steps: (1) adding water into a reaction kettle for heating, then adding N-lauroyl sarcosinate and cocoic acid monoethanolamide and stirring to obtain a mixture (2) After cooling down, add pyrithione zinc emulsion and stir; add sodium hyaluronate, guar gum hydroxypropyl trimethyl ammonium chloride, methyl glucose dioleate, citric acid, sorbic acid Potassium and plant extract, continue to stir, that is. The plant shampoo of the invention has good anti-dandruff and anti-itch effect, and is mild and non-irritating. The plant extract prepared from natural plants is used as a raw material, which has good hair care and hair care functions.

The invention discloses a lysate for extracting nucleic acid by a magnetic bead method. The lysate contains potassium hydroxide with a final concentration of 0.3-0.5N, sodium acetate with a final concentration of 0.2-0.4M, and a mass fraction of 0.03-0.07%. N-lauroyl sarcosinate sodium, EDTA with a final concentration of 3-7mM, Tween 20 with a volume fraction of 0.5-1.5%, and trehalose with a final concentration of 0.1-0.3M. When using the lysate or kit of the present invention to conduct experiments, it is possible to add samples without mixing or heating, to lyse nucleic acids without shaking, and to rinse magnetic beads without blowing them away, and only need to soak once statically, thus reducing the need for laboratory testing. Contamination and loss of nucleic acid, no need to mix the reaction solution and magnetic beads, no elution for nucleic acid amplification, all the obtained magnetic bead nucleic acid participates in the PCR amplification reaction, avoiding the possibility of contamination caused by pipetting, greatly shortening the detection time, And low-value samples have good repeatability.

The invention discloses a blood cell lysate and a method for extracting nucleic acid in blood by using the lysate. The blood cell lyse contains heparin magnetic beads with a mass fraction of 3% to 10%, and Triton X-100 with a mass fraction of 0.5 to 1.5%. , urea with a final concentration of 0.5-1.0M, mass fraction of 0.02-0.08% sodium lauroyl sarcosinate, and calcium chloride and / or magnesium chloride with a final concentration of 0.1-0.3M. The compound detergent in the lysate of the present invention can effectively lyse cells, and the heparin magnetic beads can effectively adsorb proteins, and under the action of calcium (magnesium) ions, PCR interfering substances such as proteins can be solidified rapidly and nucleic acids can be separated out by warm treatment. Nucleic acids of high purity are obtained by centrifugation. The lysate of the present invention is stable in nature and temperature, and is not affected by seasons, temperatures, salt ion concentrations, etc., and the method is simple and fast in operation, is not easy to be polluted, has a high yield of nucleic acid extraction, and is suitable for clinical and scientific research.

The invention discloses a foaming agent for mineral flotation and a preparation method thereof, and belongs to the technical field of mineral flotation. The foaming agent for mineral flotation is prepared from, by weight, 50-60 parts of methyl ester sulfonate, 25-30 parts of lauryl sodium sulfate, 20-30 parts of sodium alpha-olefin sulfonate, 10-15 parts of polyvinyl alcohol, 10-15 parts of glyceryl monostearate, 10-15 parts of polyvinyl pyrrolidone, 10-15 parts of N-lauroyl glutamic acid diester, 5-10 parts of potassium lauroyl sarcosinate, 5-10 parts of sodium lauroyl hydrolyzed silk, 5-10 parts of lauryl diethanolamide, 5-10 parts of guar gum, 5-10 parts of sodium alga acid and 5-10 parts of a foam stabilizer. The foaming agent is high in foaming agent, high in foamability, high in foaming stability and good in hard water resistance.