152 results about "AMINO BASE" patented technology

A method for forming a metal oxide or nitride film on a substrate by plasma-enhanced atomic layer deposition (PEALD), includes: introducing an amino-based metal precursor in a pulse to a reaction space where a substrate is placed, using a carrier gas; and continuously introducing a reactant gas to the reaction space; applying RF power in a pulse to the reaction space wherein the pulse of the precursor and the pulse of RF power do not overlap, wherein conducted is at least either step (a) comprising passing the carrier gas through a purifier for reducing impurities before mixing the carrier gas with the precursor, or step (b) introducing the reactant gas at a flow rate such that a partial pressure of the reactant gas relative to the total gas flow provided in the reaction space is 15% or less.

The present invention relates to the field of identifying proteins and peptides, and more specifically large-scale sequencing of single peptides in a mixture of diverse peptides at the single molecule level. The present invention also relates to methods for identifying amino acids in peptides, including peptides comprising unnatural amino acids. In one embodiment, the present invention contemplates labeling the N-terminal amino acid with a first label and labeling an internal amino acid with a second label. In some embodiments, the labels are fluorescent labels. In other embodiments, the internal amino acid is Lysine. In other embodiments, amino acids in peptides are identified based on the fluorescent signature for each peptide at the single molecule level.

The invented healthy edible salt is prepared by mixing with sodium chloride, various amino acid, peptide substance, vitamin B family, polysaccharide, or chitin, antioxidant, nucleic acid seasoning, potassium chloride, calcium salt, magnesium salt, selenium salt, and potassium iodide. It can effectively prevent various diseases, also can prevent osteoporosis, cancer, diabetes, dysinsulinosis, lithiasis, coronary heart disease, senile dementia, bark farus etc. it also possesses the functions of antisenility, antifatigue, antidepression, improving immune power, promoting growth etc.

4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.

This present disclosure is related to the field of 1-(substituted-benzoyl)-5-fluoro-4-imino-3-methyl-3,4-dihydropyrimidin-2(1H)-ones and their derivatives and to the use of these compounds as fungicides. Fungicides are compounds, of natural or synthetic origin, which act to protect and / or cure plants against damage caused by agriculturally relevant fungi. Generally, no single fungicide is useful in all situations. Consequently, research is ongoing to produce fungicides that may have better performance, are easier to use, and cost less. The present disclosure relates to 1-(substituted-benzoyl)-5-fluoro-4-imino-3-methyl-3,4-dihydropyrimidin-2(1H)-one compounds and their use as fungicides. The compounds of the present disclosure may offer protection against fungi and fungi like organisms including ascomycetes, basidiomycetes, deuteromycetes, and oomycetes.

The invention relates to a cloning and function expression method of an adversity stress AhMYBL6 gene in peanut. The adversity stress AhMYBL6 gene is synthesized by RT-PCR (reverse transcription-polymerase chain reaction) cloning by the steps of preparation and treatment of materials, extraction of RNA (ribonucleic acid) and synthesis of cDNA (complementary deoxyribonucleic acid). The open reading frame of the gene is 861bp, and 287 amino acids are coded totally. The homology of the amino acid sequence of the gene with the MYb family proteins GmMYB4, GmMYB29 and GmMYB29A2 of the soybean is higher than 60%. The fluorescent quantitative PCR verifies the expression patterns of the AhMYBL6 under low temperature, salt stress and drought stress; the result indicates that the expression levels of the AhMYBL6 are obviously enhanced after various stress treatment for 1 hour, and kept at high levels all the time thereafter; and the expression level of the AhMYBL6 in the leaf subjected to low-temperature treatment is maximally enhanced by 20 times. After the gene is transferred into peanut by transgenic means, compared with the control, the transgenic plant has obvious characteristics of cold tolerance, salt tolerance and drought tolerance. The AhMYBL6 gene can obviously enhance the stress tolerance of the peanut.

The invention relates to a foaming cleanser cosmetic composition containing, in a physiologically acceptable medium: - a surfactant system comprising (i) at least one N-(C6-C30)acyl-amino based surfactant, and (ii) at least one amphoteric surfactant chosen from betaines or (C8- C20)alkyl betaines, (C8-C20)alkylamido(Cl-C6)aIkylbetaines, and mixtures thereof; and - at least one non associative crosslinked copolymer or acrylic acid and / or methacrylic acid, and optionally of (Cl-C4)alkyl esters thereof, wherein said N-(C6-C30)acyl-amino based surfactant being present in the surfactant system in a major weight amount, and the surfactant system being present in the composition in an amount of less than 15% by weight relative to the total weight of the composition. The invention also relates to a process for cleansing keratin materials, which consists in applying the said composition to the said keratin materials, in working it into a foam and then in rinsing off the said composition, as well as the cosmetic use of the composition as defined above, for removing makeup and / or cleansing the skin, the hair and / or mucous membranes, or for skincare.

A process for producing amino-functional polysiloxanes by reacting the components A) identical or different terminally hydroxy-functional, linear or branched polysiloxanes, B) identical or different alkoxysilanes of the formulaR1xR23-xSiR3  (I)where R1 is identical or different alkyl radicals having 1 to 4 carbon atoms, R2 is identical or different alkoxy radicals having 1 to 4 carbon atoms, R3 is an organic radical having at least one nitrogen atom, x=0 to 2, and C) water, in the presence of D) one or more phosphorus-containing, Brønsted-acidic compounds, to the correspondingly obtainable polysiloxanes containing nitrogen-containing groups, and to the use thereof are provided.

Novel peptides are described which comprise an amino acid motif selected from the group consisting of “PG”, “GP”, “PI” and “IG” and having up to 10 amino acids upstream and / or downstream of the amino acid motif, wherein “P” in the motif is proline or hydroxyproline and the peptide stimulates the development, maintenance and repair of bone, cartilage and associated connective tissue. The invention further relates to pharmaceutical compositions of these peptides, as well as therapeutic and prophylactic uses of such peptides.

The present invention relates to fungal Δ12 desaturases (responsible for conversion of oleic acid to linoleic acid (18:2, LA)) and Δ15 fatty acid desaturases (responsible for conversion of LA to α-linolenic acid (18:3, ALA)). Amino acid motifs diagnostic of Δ12 desaturases and Δ15 desaturases are also provided. Methods of altering enzyme specificity towards Δ12 desaturation or towards Δ15 desaturation and / or increasing production of specific ω-3 and ω-6 fatty acids by over-expression of the fungal desaturases are also described.

Ascorbic acid derivatives of the general formula 1: wherein R<1> is a C2-C22 acyl group, an amino acid group, or a C1-C17 alkyl group; R<2> is ammonium or a metal cation; and each of R<3> or R<4>, independently, is hydrogen, a C2-C22 acyl group, an amino acid residue, or a C1-C17 alkyl group, are more stable than ascorbic acid and can be used as a source of vitamin C in pharmaceutical, nutraceutical and cosmetic compositions.

An isolated polypeptide that has an amino acid sequence that is substantially homologous to consecutive amino acids of a c-terminal portion of the membrane proximal external region (MPER) of gp41 includes an immunogenic epitope reactive with at least one anti-HIV antibody.

Novel 4-amino-6-(heterocyclic)picolinic acids and their derivatives and 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives are useful to control undesirable vegetation.

This present disclosure is related to the field of N-(substituted)-5-fluoro-4-imino-3-methyl-2-oxo-3,4-dihydropyrimidine-1(2H)-carboxylates and their derivatives and to the use of these compounds as fungicides. Also provided are methods of controlling a fungal disease such as Septoria tritici, comprising administering an effective amount of the fungicide compound to at lease one surface associated with the plant, seed or soil.

Disclosed herein is a photosensitive resin composition which comprises (A1) at least one compound selected from the group consisting of a silane compound represented by formula (I), a hydrolyzate thereof and a condensate of the hydrolyzate, (A2) a 1,2-quinonediazide compound, and (A3) an amino-based silane coupling agent represented by formula (II). A cured film prepared from the photosensitive resin composition has an excellent pattern development property, heat resistance and light transmittance, as well as an excellent adhesion property to a silicon nitride(SiNx) substrate, and it can be used as a protective film of an electronic component.

The invention discloses a A-elemene amino acid or carboxylic acid derivants, Process for preparing, usage and preparation; the structural formula of derivant is III. Wherein R represent C2-C20 every kinds of alpha-, beta-, gamma- amino acids; Every kinds of amino acids of C1-C20; wherein cyclohexane skeleton has three chirality center. This derivant is used to improve water-solubility and anticancer active of A-elemene amino acid, introducing amino acid which contains synthetic compounds of amidol or carboxy group, this derivant has stronger physiologically active and larger polarity, reaching the purpose of improving water-solubility.

The invention relates to an environmentally-friendly cross-linked acrylate polymer emulsion and a preparation method thereof. The emulsion consists of six main components through semicontinuous seeded emulsion polymerization, is fine and smooth in appearance and is a blue-fluorescent semitransparent emulsion, a pH value is 7.5+ / -0.5, the solid content is 30-50%, the emulsion particle diameter is 50-100 nanometers, and the polymer emulsion has good film-forming property and adhesion after film forming at the 80 DEG C temperature. The environmentally-friendly cross-linked acrylate polymer emulsion has the advantages that due to the fact that an amino acid based anionic surface active agent and an alkyl polyglucoside non-ionic surface active agent both have excellent biodegradability and environmental protection effect and are used for replacing commonly-used alkylphenol polyoxyethylene ether and an alkylbenzene sulfonate surface active agent having poor biodegradability, the environmentally-friendly cross-linked acrylate polymer emulsion is more environmentally-friendly, and the demand for the performances of the emulsion is met.

The present invention provides an etchant composition suitable for etching metals Cu / Mo, wherein the composition comprises 1 to 25 wt % of hydrogen peroxide on the basis of the total weight of the composition; 0.1 to 15 wt % of amino acid on the basis of the total weight of the composition; 0.1 to 15 wt % of a pH stabilizer on the basis of the total weight of the composition; 0.01 to 2 wt % of fluorine-containing acid on the basis of the total weight of the composition; 0.01 to 3 wt % of an acidic pH adjuster on the basis of the total weight of the composition; and an aqueous medium. The present invention also provides a process for etching metals Cu / Mo with the etchant composition of the present invention.

The invention relates to preservative systems which are particularly suitable in cosmetic and dermatological preparations. The preservative system which comprises a cationic surfactant, derived from the condensation of fatty acids and esterified dibasic amino acids, having the formula (I) where: X− is Br−, Cl−, or HSO4 R1: is a straight alkyl chain from an acid or saturated fatty hydroxy acid from 8 to 14 atoms of carbon bonded to the α-amino acid group through amidic bond. R2: is a straight or branched alkyl chain from 1 to 18 carbon atoms or aromatic. R3: is: (II) where n can be from 0 to 4, is combined with at least one other ionic or non-ionic preservative agent, whereby the combination displays a synergetic activity. A preservative system, wherein the cationic surfactant preservative derived from the condensation of fatty acids and esterified dibasic amino acid is LAE is particularly preferred. The other ionic or non ionic preservative agent is preferably at least one component selected from the group consisting of 2-bromo-2-nitro-1,3-propanediol (bronopol), parbens, imidazolidinyl urea, phenoxyethanol, DMDM hydantoin, 2-methyl-5-chloro-3,4-isothiazolinone / 2-methyl-3,4-isothiazolinone and quaternium-15.

The disclosure provide a sulfur-free and halogen-free synergistic additive concentrate for a fuel injected engine. The additive concentrate includes (a) an alkoxylated quaternary ammonium salt of the formula (R1)nN[(R2O)xH]m, wherein R1 contains from 1 to 25 carbon atoms, R2 contains from 1 to 4 carbon atoms, n and m are each integers from 1 to 3, provided n+m=4, and x is an integer of from 1 to 5; and (b) a material containing a hydrogen-bonding group other than an alkyl hydroxyl group selected from the group consisting of a hydrocarbyl acid; hydrocarbyl polyacid; hydrocarbyl substituted hydroxybenzene; hydrocarbyl substituted succinic diamide, acid / amide, diacid, diester, ester / acid, amide / ester, imide; aminotriazole, and mixtures thereof, wherein the hydrocarbyl substituent has a number average molecular weight of from about 100 to about 1500, and wherein a weight ratio of (a) to (b) in the additive ranges from about 1:5 to about 1:1.

Synthesis of amino-resin polyurea polyol is carried out by mixing melamine with methyl aldehyde, agitating, regulating pH value by alkali agent, adding into catalyst, heat reacting to obtain polyhydroxy-methyl-melamine solution, heat reacting the obtained solution with excessive methyl alcohol to obtain amino-resin solution, agitation mixing the obtained amino-resin solution with poly-ether polybasic alcohol with molecular weight 3000, depress distilling to remove small molecule, cooling to lower temperature, adding into paraffin solvent and tertiary amine catalyst, agitating, adding into isocyanate, heat reacting, decompressing and removing residual small molecules to obtain final product. It is simple, cheap, has lower acidity, higher oxygen index and no halogen, phosphor and antimony.

The invention discloses a special-effect amino acid compound fertilizer for kudzu root growth, which is prepared from the following raw materials in percentage by weight: 10-20% of amino acid base solution, 60-70% of nitrogen fertilizer, 1-2% of zeolite powder, 2-5% of manganese sulfate, 1-2% of humic acid, 2-3% of composite biological bacterium, 1-6% of zinc sulfate, 5-15% of basic amino acid and 50-60% of phosphate fertilizer. The compound fertilizer contains abundant minor elements, can effectively improve the soil structure, eliminates soil hardening and enhances the water retention capacity of soil; the compound fertilizer effectively enhances the crop yield and improves the crop quality; and the compound fertilizer promotes the growth intumescence of the kudzu root rhizome, and enhances the puerarin content in the rhizome and the blooming rate.

The invention relates to the field of compound preparation. The invention discloses a preparation method for dienogest to solve the problems of low product yield and using highly toxic reactant in the dienogest preparation methods of prior art. A non-nucleophilic alkyl amino base acts as a catalyst. Estra-4,9-diene-3,17-dione protected by 3-carbonyl is reacted with acetonitrile in an organic solvent. The dienogest is obtained after removing the protecting group. The method of the invention has high yield and simple operation, and is environmental friendly.

The present invention provides a terminal aromatic amino polyether compound, its preparation method and application of it in sizing agent. Said invention also provides its general formula, and the sizing agent formed from said compound and epoxy resin is non-toxic, can be solidified at medium-low temp. and has high strength and high toughness.

The invention provides modification and application of nitrile hydratase amino acid motif, and belongs to the technical field of bioengineering. According to the invention, nitrile hydratase derived from pseudonocardia thermophila is modified, the NO.46 site on a beta subunit and the NO.6 site and NO.126 site on an alpha subunit of a wild type are mutated respectively, and the specific enzyme activity of a constructed mutant is remarkably improved and can be improved by 1-5 times compared with that of the wild type. Moreover, the substrate spectrum is also broadened, the mutant has a very goodcatalytic effect on isobutyronitrile, n-valeronitrile, acrylonitrile, nicotinonitrile, 2-cyanopyrazine, benzonitrile, cinnamonitrile, naphthonitrile and the like, and the catalytic performance on corresponding substrates is also remarkably improved. Therefore, the obtained nitrile hydratase mutant can be suitable for more production scenes, and the production efficiency is improved.

The invention discloses a cationic polyamino acid group carrier material and a preparation method thereof. according to the preparation method, a random copolymer of aspartic acid benzyl ester and histidine is prepared through ring opening polymerization of N-carboxyl-alpha-amino anhydride, and an aminolysis reaction is carried out on an aspartic acid side chain, so as to synthesize the cationic polyamino acid group carrier material. A gel permeation chromatography result shows that the molecular weight of the polymer can be effectively controlled through controlling inventory of an initiator; under different aminolysis proportions, the polymers are different in solubility and transform from hydrophobic property to hydrophilic property; in-vitro gene transfection experiment result shows that polymers P (HIS-(i) co( / i)-ASP (DET)) with aminolysis proportion ranging from 10% to 95% have gene transfection efficiency, and a polymer with the maximum transfection efficiency can be screened out through changing the mass ratio of material to gene; the polymers P (HIS-(i) co( / i)-ASP (DET), compared to a homopolymerized aspartic acid polymer, are obviously low in cytotoxicity; and the obtained polymer is a gene carrier material which is low in toxicity, high in efficiency, excellent in biocompatibility and biodegradable.

The present invention relates to methods for identifying amino acids in peptides. In one embodiment, the present invention contemplates labeling the N-terminal amino acid with a first label and labeling an internal amino acid with a second label. In some embodiments, the labels are fluorescent labels. In other embodiments, the internal amino acid is lysine. In other embodiments, amino acids in peptides are identified based on the fluorescent signature for each peptide at the single molecule level.

A method is provided of labelling a protein, which method comprises the steps of (a) treating the protein with a protecting agent so as to block epsilon amino acid groups present on lysines residues of the protein, (b) cleaving the protein into a peptide mixture; and (c) treating the peptide mixture with a labelled agent which binds to N-terminal amino acids of the peptides. The method may be used in differential expression detection methods for determining differences in protein expression.