12 results about "Oxylipin" patented technology

The invention relates to an oxidized fatty acid large-scale qualitative method based on non-targeted metabonomics. The method comprises the following steps: firstly, enriching oxidized fatty acid in a biological sample to obtain non-targeted metabonomics data; secondly, constructing a self-built database which comprises an oxidized fatty acid mass spectrum library, an oxidized fatty acid structure library and an in silico oxidized fatty acid virtual structure library; and then, carrying out self-established virtual database search on data of an oxidized fatty acid extraction sample, and carrying out large-scale identification on the oxidized fatty acid by comparing a first-level ion mass-to-charge ratio, a second-level mass spectrum and / or second-level ion characteristic fragments, retention time and an in-source cracking mode. And finally, co-constructing a molecular network by the secondary mass spectra recorded in all the databases, the identified secondary mass spectra in the samples and the secondary mass spectra of all the unknown metabolites in the samples based on secondary similarity, and carrying out expansion annotation on the unknown oxidized fatty acid through a metabolic reaction relationship.

The invention discloses an in-situ visual characterization method for oxidized lipid metabolites in biological tissues, and belongs to the technical field of biological analytical chemistry. The method mainly comprises the following steps: (1) freezing and slicing a histological sample to be detected; (2) preparing a solid derivatization hydrogel HCD block: taking the gel to prepare a gel aqueous solution, adding a derivatization reagent into the gel aqueous solution, and freezing and solidifying to obtain the solid derivatization hydrogel HCD block; (3) placing the solid derivatization hydrogel HCD block on the surface of the tissue slice, and carrying out a derivatization reaction under certain conditions; and (4) after the derivatization reaction is completed, analyzing a derivatized product by adopting an AFADESI-MSI technology, and acquiring corresponding mass spectrum imaging data. According to the method disclosed by the invention, high-coverage in-situ visual representation of 326 oxidized lipid metabolites in the body can be realized.

The invention belongs to the technical field of textile, and particularly discloses a heat-resistant phenol-yellowing-resistant agent as well as a preparation method and application thereof. The heat-resistant phenolic yellowing-resistant agent comprises the following raw material components in parts by weight: 10-20 parts of fatty acid dihydrazide, 5-10 parts of fatty alcohol-polyoxyethylene ether carboxylic acid, 2-5 parts of a surfactant and 65-83 parts of deionized water. Fatty acid dihydrazide can capture free radicals and terminate an oxidation reaction chain, so that the fabric is protected from oxidative damage, and thermal yellowing and phenolic yellowing are prevented; the molecular structure of fatty alcohol-polyoxyethylene ether carboxylic acid contains hydrophilic groups and hydrophobic groups at the same time, so that a layer of protective film can be accurately formed on the surface of the fabric, substances causing thermal yellowing and phenolic yellowing are effectively isolated, and oxidation of phenolic substances is inhibited. Fatty acid dihydrazide is combined with carboxylic acid groups of fatty alcohol-polyoxyethylene ether carboxylic acid through hydrogen bonds or ionic bonds to form a compound, and thermal yellowing resistance, phenolic yellowing resistance, washability and stability of the fabric can be improved at the same time.

Naturally derived polyol useful for the preparation of polyurethane. The present invention relates to a process for preparing a polyol comprising: - the epoxidation of at least one unsaturated fatty acid derivative, thereby obtaining at least one epoxidized fatty acid derivative, - the esterification of at least one monoester with a diol, thereby obtaining a diester of diol and epoxidized fatty acid, - the alkoxylation of said diester, thereby obtaining the polyol, or a process in which the epoxidation and esterification steps are reversed, the polyol obtained by this process, its use for the preparation of a polyurethane, the polyurethane obtained, and a vehicle part comprising such a polyurethane. Figure for abstract: none

The invention relates to the field of anti-corrosion paint, and particularly discloses a base coating anti-corrosion material used for a metal chimney and with the adhesion area larger than the coating area and a using method thereof.The base coating anti-corrosion material comprises a steel-based reducing agent, and the steel-based reducing agent comprises 0-10 parts of a thickening agent, 20-40 parts of an etching agent, 2-5 parts of sodium bicarbonate and 15-30 parts of water; the thickening agent is a mixture of ethoxylated fatty alcohol and ethoxylated fatty amine; the etching agent is prepared from ammonium chloride, ferric trichloride, sodium sulfate and water. The primer anticorrosive material with the adhesion area larger than the coating area for the metal chimney has the advantages that the adhesion area of the metal chimney is larger than the coating area, and the anticorrosive paint coated on the chimney is not easy to fall off after the chimney vibrates or expands with heat and contracts with cold.

The present invention relates to oxylipins used in the treatment of seborrhea. Oxylipins are particularly present in oily plant extracts, and preferably in oily plant extracts rich in oxylipins. The present invention also relates to dermatological cosmetics or dermatological compositions used in the treatment of seborrhea, comprising at least one oxylipin, preferably an oxylipin derived from an oily plant, and at least one excipient that is acceptable for use in dermatological cosmetics or dermatological applications.

Method for separating synthetic, non-cellulose fibres from cellulose fibres in processing recycled textile fibres, the method comprises adding at least one surfactant to the aqueous textile fibres suspension and subjecting the aqueous textile fibres suspension to flotation to remove the synthetic, non-cellulose fibres. The surfactant comprises at least a main surfactant comprising a synthetic non-ionic surfactant selected from a group consisting of ethoxylated or ethoxylated and propoxylated fatty alcohols or fatty acids having chain length of C14 – C24, and any mixtures thereof.

A live tissue storage solution is formed of an aqueous culture medium including additives, inorganic salts and nutrients. The additives preferably include amino acids including but not limited to L-Arg, L-Cys, Gly, L-His, L-Ile, L-Lys, L-Leu, L-Met, L-Phe, L-Ser, L-Try, L-Try, and L-Val. The inorganic salts preferably include calcium chloride, sodium chloride, magnesium sulphate, sodium bicarbonate, sodium phosphate. The nutrients preferably include glucose, choline, folic acid, nicinamide, riboflavin, which are known to maintain cell culture. Examples include Dulbecco's Modified Eagle Medium DMEM or Minimal Essential Medium MEM with or without serum. The culture medium contains additives to reduce, inhibit, or mitigate lipid oxidation, lipotoxicy, lipid-induced responses, and lipid inflammation.

Provided are biomarker panels and methods of using oxylipins as biomarkers. Some embodiments include methods for treating a patient based on oxylipin measurements obtained in the subject. The oxylipin measurements may be used to inform use of an HSD17B13 inhibitor in the subject.

A composition comprising: (i) 0.01 to 10% by weight of a branched cationic conditioning surfactant; selected from structure 1, wherein: ●●R1 and R2 comprise straight-chain hydrocarbon chains, which are saturated or unsaturated, and the carbon-carbon chain length is C4 to C5. 20 ; ●●R3 contains a protonated or saturated or unsaturated carbon-carbon chain with a length of C1 to C5; ●●n has a range of 0-10; and ●●X G The active ingredient is an organic or inorganic anion; (ii) 0.1 to 10% by weight of a straight-chain fatty substance having at least one linear carbon-carbon chain, selected from straight-chain fatty alcohols, straight-chain alkyl oxidized fatty alcohols, straight-chain fatty acids, and mixtures thereof; (iii) 0.1 to 5% by weight of a nonionic structuring agent; and (iv) a particulate beneficial agent selected from conditioning active substances; wherein the molar ratio of the branched cationic surfactant (i) to the straight-chain fatty substance (ii) ranges from 1:20 to 1:1, resulting in improved deposition of the particulate beneficial agent on decolorized hair. A preferred structuring agent is hydroxyethyl cellulose, and a preferred conditioning active substance is a siloxane emulsion.

The present invention provides a composition having an action to enhance adrenomedullin gene expression. One or more embodiments of the present invention relate to a composition for enhancing adrenomedullin gene expression containing a TRPV1 agonist and a TRPA1 agonist as active ingredients. The TRPV1 agonist can be, for example, at least one selected from capsaicin, 6-shogaol, 6-gingerol and piperine. The TRPA1 agonist can be, for example, at least one selected from allyl isothiocyanate, cinnamaldehyde, diallyl disulfide, ASP7663 and oxylipin.

The invention discloses a bio-ester plasticizer based on waste edible oil and fat and a preparation method thereof, and belongs to the technical field of plasticizer preparation, and the bio-ester plasticizer is obtained by taking a tetracarboxyl compound as a core, connecting epoxidized alpha-fatty acid dimethyl ester and further introducing phosphate ester functional groups for modification. According to the invention, the interaction force and steric hindrance between plasticizer molecules and macromolecular chains are enhanced through a huge star-shaped branched structure and the anchoring effect of a strong-polarity phosphate group at the tail end, so that the migration resistance and durability of the product are improved, and the bottlenecks of insufficient durability, single function and the like of the existing modified bio-ester plasticizer are solved.