1045 results about "Protein keratin" patented technology

A hydratable, highly absorbent keratin solid fiber or powder capable of absorbing a large weight excess of water may be produced by partially oxidizing hair keratin disulfide bonds to sulfonic acid residues and reacting the sulfonic acid residues with a cation. The neutralized suspension can be filtered, washed, and dried, leaving keratin solid which can be shredded into fibers and further ground into powder. Addition of water to the solid produces a hydrogel. The powder or hydrogel may be useful as an absorbent material, as a therapeutic for skin, or as an excipient. The keratin materials can be incorporated into nonwoven films. The hydrogel may be used as biocompatible viscoelastic filler for implant applications. Both the hydrogel and nonwoven materials are also suitable for use as tissue engineering scaffolds.

A direct emulsion for bleaching keratin fibers, preferably human keratin fibers such as hair, having an inert phase containing of a nonoxygenated and nonperfluorinated liquid compound having a water-solubility at 25° C. of less than 1% and an aqueous hydrogen peroxide solution, a bleaching method using this direct emulsion, as it is or in the form of a ready-to-use composition, and the use of this direct emulsion for bleaching keratin fibers. The direct emulsion in accordance with the invention makes it possible to rapidly obtain substantial lightening of keratin fibers while limiting the degradation of the keratin fibers and skin irritation.

The present patent application relates to an agent for the coloring of keratin fibers based on oxidative dye precursors and / or direct-penetrating dyes, that contains a combination of at least one cationic hydroxyethyl cellulose and at least one acrylate copolymer in a suitable cosmetic carrier as well as a multicomponent-kit for the coloring of keratin fibers.

A hydratable, highly absorbent keratin solid fiber or powder capable of absorbing a large weight excess of water may be produced by partially oxidizing hair keratin disulfide bonds to sulfonic acid residues and reacting the sulfonic acid residues with a cation. The neutralized suspension can be filtered, washed, and dried, leaving keratin solid which can be shredded into fibers and further ground into powder. Addition of water to the solid produces a hydrogel. The powder or hydrogel may be useful as an absorbent material, as a therapeutic for skin, or as an excipient. The keratin materials can be incorporated into nonwoven films. Another use for the hydrogel is as a biocompatible viscoelastic filler for implant applications.

Cosmetic preparations, especially compositions that condition keratin fibers, which comprise at least two different cationic polymers and a water-soluble silicone. Said compositions are especially used to make the hair easy to comb and at the same time add volume to the hair. The compositions are preferably sprayed onto wet or dry keratin fibers, the composition preferably remaining on the keratin fibers until the next wash.

Keratin-fiber protectant, curl minimizing composition are disclosed comprising an effective keratin-protective amount of a physiologically tolerable curl minimizing agent selected from the group consisting of a polyfunctional aldehyde, an activated olefin-containing compound, and a polycarboxylic acid. Also disclosed are methods and kits for using the compositions for minimizing the natural curl configuration of human hair in particular.

The invention relates to a method for producing an amino acid tobacco-specific foliar fertilizer by using abandoned fur. The method comprises the following steps of: degreasing, drying and crushing various abandoned animal hair in slaughterhouses, hair in barber shops and various abandoned animal leather which are used as main raw materials; carrying out microbial fermentation, mainly Freund crack mould or other keratin decomposing bacteria fermentation; then decomposing and filtering to prepare a crude amino acid solution; and chelating the following components in parts by weight: 30-50 parts of crude amino acid solution, 15-18 parts of potassium sulfate, 15-25 parts of ammonium sulfate, 15-18 parts of potassium dihydrogen phosphate, 3-6 parts of humic acid potassium, 1.3-2 parts of trace elements, 0.3-0.5 part of surfactant, 0.5-1 part of chelating agent and 0.15-0.2 part of plant growth regulating agent. The tobacco-specific foliar fertilizer has the effects of promoting growth of tobacco roots, enhancing the absorption and utilization of tobacco on soil and the fertilizer, promoting lengthening, widening and thickening of tobacco, enhancing the ability of disease resistance, and improving the quality and yield of tobacco leaves.

A keratin hydrogel-filled implantable prosthetic device. One device is a breast implant for augmenting or reconstructing a human breast including an envelope containing a keratin hydrogel. One keratin hydrogel is formed from a solid precursor which forms a keratin hydrogel upon addition of water. One source of keratin is human hair. In one method, an envelope suitable for implantation and a solid keratin hydrogel precursor are provided. The solid can be in fibrous or powder form. The solid precursor can be inserted into the envelope interior. A small incision near the breast can be made and the envelope inserted into the incision. After insertion, water can be injected into the envelope interior, preferably through the incision and through a self-sealing port in the envelope. In one method, the implant is provided as a kit, with the envelope and keratin hydrogel provided. The hydrogel can be injected into the envelope either before or after insertion into the breast area. One kit has a powdered, keratin hydrogel precursor disposed within the envelope interior, awaiting the addition of water, preferably after insertion of the implant into the body.

Disclosed are keratin preparations for use in medical applications. Methods of treating wounds are provided, wherein keratin preparations are applied to the wound in a treatment effective amount. Methods of treating burn wounds are also provided. Surgical or paramedic aids are provided, comprising a substrate with keratin preparations provided thereon. Kits comprising keratin derivatives packaged in sterile form are also provided.

A process for the preparation of soluble proteins of high molecular weight with little or no damage to the structural integrity of the proteins. The process is economically and environmentally acceptable by virtue of the cost of reagents that are used, and the recycling of some of those reagents, and is suitable for the production of soluble proteins on a large scale. The process includes a first stage using oxidative sulfitolysis followed by a second stage using mild conditions to extract the soluble protein. In the case of wool as the protein source the process leads to the production of soluble keratin proteins fractionated into the classes S-sulfonated keratin intermediate filament proteins and S-sulfonated keratin high sulfur proteins.

Formulations, kits, and methods for rebuilding the disulfide bonds in keratin found in hair, skin, or nails. Hair that is damaged due to a hair coloring treatment and / or other reducing treatment, such as during a permanent wave, can be treated with the formulations containing one or more active agents. The formulations may be applied subsequent to a hair coloring treatment or simultaneously with a hair coloring treatment. Use of the active agent formulations during a permanent wave treatment prevents the reversion of the hair to its previous state, for at least one week, preferably at least three months, more preferably at least one year, most preferably greater than one year, after one or more than one application of the formulation. Application of the active agent formulation to skin or nails can help repair damaged disulfide bonds due to natural wear and tear or natural aging.

Disclosed are compositions that include a structuring agent, a silicone powder and a swelling agent, other compositions further including a liquid fatty phase, methods of making the compositions, and their use on keratin material.

The present invention relates to methods and devices for treating hard biological tissue (in particular, keratin-rich hard tissues) with electromagnetic energy having a frequency of at least 0.5 MHZ (megahertz) and less than 10 GHZ (gigahertz) (for example, HF, RF or microwave energy), and particularly, to methods aid devices for treating infections, for example, fungal infections of the nail.

The invention relates to a preparation method of keratin complex fiber, which comprises the following steps: 1, mixing the dried keratin powder, high polymer for fiber forming, ionic liquid and the like, and mechanically stirring and dissolving to obtain a keratin complex solution at certain temperature; (2) preparing a keratin complex fiber by using a dry jet wet spinning process. According to the invention, the keratin used according to the invention comes from leftovers of processing industry such as chicken feather, drake feather, goose feather and wool, and as for the recycle of the waste, on one hand, the economic benefit is increased, on the other hand, the environment pollution can be reduced. The selected high polymer for fiber forming and keratin can dissolve together in the same ionic liquid, so that the characteristics of high efficiency, simpleness and convenience can be achieved. Compared with the pure keratin fiber, the strength and elongation at break of the spun regenerated keratin can be improved greatly, the practical use value can be increased; the keratin complex fiber has wide potential application in the fields of clothing, wig, tissue engineering and the like. In addition, the solvent ionic liquid can be completely recycled, can not pollute the environment and has the meaning of sustainable development.

A process for preparing the solution and solid of ceratin includes extracting ceratin from wool of goat and sheep, camel hair, feather, leather leftover, etc by reduction method, and preparing solution and solid by use of the reagent, such as inorganic salt, urea, or thiourea.

The invention provides a method for extracting keratin from feather, comprising the steps that after being crashed, clean feather is pretreated by ethanol and hydrochloric acid; by adopting mercaptoethanol reduction method, the pretreated feather is deacidized to obtain keratin solution of the feather, and then clean sand white keratin solid powder is obtained through acid coprecipitate, washing and drying. The extracted keratin is analyzed and represented by the methods such as ultraviolet-visible spectrum, infrared spectrum, SDS-gel electrophoresis, elementary analysis, etc. The results shows that the keratin extracted by the method mainly contains the elements such as C, H, N, O, S, the total content of which reaches over 99%, and the purity is higher; the molecular weight of the keratin mainly ranges from 5 to 20 kD and 40 to 80kD.

A method for dyeing keratin-containing fibers, in particular, human hair comprising the steps of: (A) contacting the hair with a dyeing composition, comprising color-imparting components for a contact time Z1; (B) rinsing the hair a to remove the dying composition; (C) optionally drying the rinsed hair; (D) contacting at least a portion of the hair from step (B) or (C) with a lightening or nuancing agent comprising, in a cosmetic carrier, at least one thickener, hydrogen peroxide and at least one alkalinizing agent for a contact time Z2; and (E) rinsing the hair to remove the adjusting agent; wherein the dyeing composition comprises a color-imparting component comprising, (a) at least two oxidation dye precursors, where at least one oxidation dye precursor must be of the developer type or (b) at least two oxo dye precursors, where at least one oxo dye precursor must be a reactive carbonyl compound. The method ensures a uniform lightening of keratin-containing fibers dyed with dyeing compositions, and produces uniform and natural-looking, lightened color reflections over the entire head hair area.

The present invention relates to a composition containing, in a cosmetically acceptable aqueous medium, at least one cationic surfactant, at least one starch, preferably a modified starch, at least one non-silicone cationic polymer with a particular cationic charge and at least one nonionic non-polymeric solid compound with a melting point of greater than or equal to 35° C., and to a cosmetic process for treating keratin materials and in particular the hair. These compositions have an improved conditioning effect, especially smoothing of the ends.

A range of personal care products that include a keratin protein fraction. The fraction may be intact or hydrolysed. It is preferably S-sulfonated. The content of the fraction may range from 0.001% to 50%. In most formulations its content will be less than 1% although in certain products such as nail care products the content will be higher. A wide range of personal care products are described including shampoos, body gels and lotions, conditioners, creams and cosmetics generally.

A composition for dyeing keratin fibers that contains 0.1 to 30 percent of at least one substantially pure plant dye material obtained using solvent or supercritical CO2 extraction, combined with 0.01 to 5 percent of active metal in a metal or mineral salt capable of acting as a mordant as a two-part hair color system.

The invention provides a method for preparing spinning solutions by using ionic liquid for dissolving animal keratin. Raw materials comprise pig hair, goat hair, sheep wool, cony hair, yak hair and wool without spinning and utilization values. A series of phosphate ester ionic liquid or acetic acid ionic liquid are used for dissolving wool keratin. The method comprises the following steps: washing the raw materials with water, degreasing, drying, crushing, adding 1-17wt% of raw material powder to the ionic liquid according to a certain ratio, adding 1-10wt% of additive, and carrying out mechanical stirring for 30-60 minutes at a temperature of 90-130 DEG C, thus obtaining the keratin spinning solutions with different concentrations. The preparation method has the advantages that the phosphate ester ionic liquid or the acetic acid ionic liquid is used as a solvent, the synthesis is simple, the dissolving process is easy to operate, the ionic liquid recycling is easy, the waste animal hair can be fully utilized, the raw materials are easy to obtain and low in cost, and the pollution of waste to environments can be reduced.

A method the direct analysis of an analyte in keratinized structures, e.g., hair and fingernails, which comprises preparing a mixture containing a low redox potential activator compound such as dithiothreitol or dithioerythritol, an enzyme suitable for the digestion of the keratin structure, a sample of the keratin structure and a biological detergent that aids the digestion of the keratinized structure at a relatively low pH, e.g., between about 6.2 and 8; permitting the enzyme to at least substantially digest the sample of keratin structure, and subjecting the digest solution to analysis, preferably by radioimmunoassay, to determine the identity and amount of analyte in the keratin structure sample. To accelerate the method, cupric sulfate may be added to the mixture after degradation of the keratin sample. The enzyme may be a peptidase, endopeptidase or proteinase, with papain, chymopapain, and proteinase K being preferred for use in the invention. The preferred biological detergents include betaine, sulfo-betaine, alkylglucosides and bile acids.

A device for promoting eyebrow hair growth includes an array of light generating sources, such as LEDs, laser diodes and IPLs, which are housed within a brow plate, for providing evenly distributed light to a user's eyebrows at a low level output wavelength suitable for stimulating hair growth. This photo-biostimulation process promotes hair growth in the directed region by producing an increase in ATP and keratin production, enhancement in blood flow and circulation, as well as an increase in collagen production. Temple arm members with corresponding ear pieces or a headband are used to support the device on a user's head. The light generating sources may be powered by an internal power source, such as a rechargeable battery or disposable batteries, located within the headband or temple arm members, or by an external power source, such as a plug used in connection with an AC outlet.

The invention relates to a strain capable of degrading feather keratin efficiently and a screening method thereof. According to result of the analysis and identification of the sequence of 16SrDNA and the result of the identification of a Biolog system, F4 is determined to be Bacillus licheniformis and is named Bacillus licheniformis F4. The Bacillus licheniformis F4 was collected in China Center for Type Culture Collection with a collection number of CGMCC No.4229 on October 22th, 2010. The screening method comprises: primarily screening, separating, enriching, and secondarily screening to obtain the strain capable of degrading feather keratin efficiently. In the invention, the strain capable of degrading feather keratin efficiently is obtained by two steps of screenings under strict conditions, wherein primary screening conditions are a carbon source and a nitrogen source, and secondary screening conditions are complete degradation of feathers and measurement of enzymatic activity of keratin. The strain is inoculated into a fermentation culture medium containing complete feathers to perform fermentation culture for 60 hours, all barbules of the feathers are removed, the left feather stems and a major part of removed pinnules are degraded, and the feather removing and feather keratin degrading effects of the strain are obvious.