136 results about "Colloidal silver" patented technology

A thin film semiconductor in the form of a metal semiconductor field effect transistor, includes a substrate 10 of paper sheet material and a number of thin film active inorganic layers that are deposited in layers on the substrate. The active layers are printed using an offset lithography printing process. A first active layer comprises source 12.1 and drain 12.2 conductors of colloidal silver ink, that are printed directly onto the paper substrate. A second active layer is an intrinsic semiconductor layer 14 of colloidal nanocrystalline silicon ink which is printed onto the first layer. A third active layer comprises a metallic conductor 16 of colloidal silver which is printed onto the second layer to form a gate electrode. This invention extends to other thin film semiconductors such as photovoltaic cells and to a method of manufacturing semiconductors.

The present invention is drawn to disinfectant compositions, which are human safe, e.g., food grade or food safe. In one embodiment, an aqueous disinfectant composition can comprise an aqueous vehicle, including water, from 0.001 wt % to 10.0 wt % of a peroxygen, and an alcohol. Additionally, from 0.001 ppm to 50,000 ppm by weight of a transition metal based on the aqueous vehicle content can also be present. The composition can be substantially free of aldehydes. Alternatively or additionally, the transition metal can be in the form of a colloidal transition metal, such as colloidal silver or alloy thereof.

The present invention is drawn to methods of treating disease or injury. In particular, the invention provides methods for treating viral infections, bacterial infections, fungal infections, and cancerous tissue. The methods include the administration of an aqueous composition that can comprise an aqueous vehicle, including water, from 0.0001 wt % to 10.0 wt % of a peroxygen, and optionally, an alcohol. Additionally, from 0.0001 ppm to 50,000 ppm by weight of a transition metal based on the aqueous vehicle content can also be present. Alternatively or additionally, the transition metal can be in the form of a colloidal transition metal, such as colloidal silver or alloy thereof.

This invention relates to the synthesis and isolation of colloidal silver particles through the use of thermomorphic polymers and the resulting composition. It further relates to the use of the resulting composition in the preparation of inks for printing with silver-containing inks.

Gelatinous foam, coated paper, fabric, and polymer materials combined with the Colloidal Silver or Gold additive to formulate products with antimicrobial surfaces. Some embodiments of the present invention can include gelatinous materials selected from a group consisting of thermosetting polymer, Styrene-Ethylene-Butadiene-Styrene polymer (SEBS), Thermoplastic Elastomer (TPE), and Polyurethane (PU) gelatin with and without a raised geometry on an outer surface and in any shape. The various embodiments include coated polymer sheets, polymer trays, bamboo and / or cotton towels and fabric, polymer foam, or polymer mats containing nano-silver or nano-gold in an scheduled and organized manner (with input / requests from the customer) to create permanent or semi-permanent anti-microbial surfaces.

The invention provides an immuno-chromatography kit for quickly and quantitatively detecting calprotectin in excrement and belongs to the technical field of clinical in-vitro diagnosis reagents. The kit includes: a test strip, which includes a substrate, and a sample pad, a marker combination pad, a nitrocellulose membrane and a water absorption pad which are all arranged on the substrate. The marker combination pad is coated with a calprotectin monoclonal antibody A marked by colloidal gold particles, colloidal silver particles, colloidal iron particles, magnetic particles, fuel particles, latex particles or fluorescent particles. The nitrocellulose membrane contains a detection line T and a quality control line C, wherein the detection line T is formed by a calprotectin monoclonal antibody B, and the quality control line C is formed by goat-anti-mouse IgG. The calprotectin monoclonal antibody A and the calprotectin monoclonal antibody B respectively recognize different epitopes of the calprotectin. The kit is convenient and quick, is simple in operation, has accurate result and is suitable for clinical quick detection.

The present invention is drawn to disinfectant compositions, which are human safe, e.g., food grade or food safe. In one embodiment, an aqueous disinfectant composition can comprise an aqueous vehicle, including water, from 0.001 wt % to 10.0 wt % of a peroxygen, and an alcohol. Additionally, from 0.001 ppm to 50,000 ppm by weight of a transition metal based on the aqueous vehicle content can also be present. The composition can be substantially free of aldehydes. Alternatively or additionally, the transition metal can be in the form of a colloidal transition metal, such as colloidal silver or alloy thereof.

Cells and methods of producing hydrogen and oxygen from an aqueous solution at about 90% of the Faraday Limit are provided. An exemplary method includes the steps of placing a graphite electrode and a nickel electrode in an alkaline solution comprising colloidal silver, colloidal magnesium and a powdered metal such as aluminum, and applying a constant positive voltage to the nickel electrode. Further, the example includes cyclically applying a negative voltage potential to the graphite electrode by turning on the negative applied voltage for a first time period and switching off the negative voltage for a second time period. The second time period should be sufficient to permit removal of substantially all or at least some of any aluminum or zinc deposited on the graphite electrode. Graphite-containing electrodes may be pretreated to infuse with a precious metal.

A topical medicament, and associate method of use, for the treatment of dermatologic conditions in both humans and animals is provided. The medicament includes a mixture of Vitamin A, Vitamin D, Vitamin E, lanolin, petroleum jelly, colloidal silver, ti tree oil, zinc oxide and corn starch in appropriate proportions. Ingredient proportions may be varied to form an ointment or a paste having a thicker consistency than the ointment.

The invention discloses a multifunctional beauty treatment face pack which comprises the following constituents (by weight percent): nano colloidal silver 0. 0005-0. 0015%, aloe extract 4. 0-8. 0%, natto gum 0. 5-1. 55, ginkgo extract 0. 3-0. 5%, green tea extract 0. 1-0. 3% and lavandula angustifolia extract 0. 05-0. 15%.

The invention relates to a medical article, and mainly relates to a chitosan fluid dressing film for accelerating wound healing for skin burn, trauma, and body surface ulcers, and infection treatment. The chitosan fluid dressing film is prepared by using chitosan as a main raw material; the chitosan is dissolved with acids, and mixed with gelatin fully swelled in water; then glycerin and a silver salt solution are added; under the action of ultrasonic wave, simple substance silver exists in the fluid in a form of nanometer colloidal silver so as to obtain nanometer silver sol. The dressing film of the invention adopts chitosan as a main raw material, has wide-spectrum antibacterial properties, and can be used as dressing for skin modification and skin wound. A lot of -NH2 and -OH are contained in the molecules, which can form cage-shaped molecules with a structure like a net with metal ions through hydrogen bonds, and thus stable coordination is provided for silver ions. Chitosan adsorbed with silver ions has more effective bactericidal effect.

Disclosed herein are an anti-bacterial, anti-fungal and anti-viral composition with excellent sterilizing power, deodorization and adhesion activity, an application thereof, and a method for preparing the same. The composition with sterilizing activity against bacteria, fungus and virus comprises colloidal silver particles in an amount of from 11 wt % to 15 wt %, titanium dioxide nanoparticles in an amount of from 18 wt % to 25 wt %, a dispersion stabilizer in an amount of from 0.01 wt % to 10 wt %, a binder in an amount of from 0.1 wt % to 4 wt %, and a balance of water in an amount required to form 100 wt %.

The invention provides a skin cleaning soap and a manufacturing method of the skin cleaning soap. Natural plant extracts serve as raw materials. The skin cleaning soap and the manufacturing method are characterized in that the skin cleaning soap is composed of, by weight, 9.7% to 14.5% of coconut oil, 6.7% to 10.0% of palm oil, 1.2% to 1.7% of peppermint, 4.5% to 6.5% of castor oil and the like, and the manufacturing method includes the steps of firstly, placing sodium hydroxide into a first container, adding water to dissolve the sodium hydroxide till the temperature reaches 55 DEG C, sequentially adding the oil, conducting stirring, adding 5.5% to 8.2% of glycerinum and 0.20% to 0.30% of the vitamin E, and conducting even mixing to form mixed liquid of sodium hydroxide and oil; secondly, conducting water-bath heating till the temperature reaches 80 DEG C, conducting stirring and continuously adding ethyl alcohol, removing a heat source, and waiting till the temperature of emulsified liquid reaches 60 DEG C; thirdly, adding white sugar, salt and ginseng powder to a solution of colloidal silver, citriodora oil, aloe extracts and hot water in a second container, conducting even stirring, pouring the mixed liquid into the emulsified liquid in the first container, conducting stirring to obtain soap liquid, and obtaining soap after demoulding. The skin cleaning soap is high-level soap which has the functions of resisting bacteria, killing acarid, expelling mosquitoes, well cleaning the skin, whitening and protecting the skin and the like. The skin cleaning soap is unique in hand feel, and can enable the pH value of the skin to return to the normal value.

This invention relates to the synthesis and isolation of colloidal silver particles through the use of thermomorphic polymers and the resulting composition. It further relates to the use of the resulting composition in the preparation of inks for printing with silver-containing inks.

We disclose a colorless composition comprising silver particles and water, wherein said particles comprise an interior of elemental silver and an exterior of ionic silver oxide, wherein the silver particles are present in the water at a level of about 5-40 ppm, and wherein the composition manifests significant antimicrobial properties. Methods of use of the composition are described.

A system for filtering breathing air and apparatus for accomplishing the same. The invention describes a nasal filtration system which can be inserted into the nasal cavities. The filters comprise cavities through which air is inhaled or exhaled. The filter performs as a mechanical filter to catch and prevent the inhalation of undesirable particulate. Further, the filter comprises a disinfectant agent, such as colloidal silver, which kills germs, bacteria, and viruses to prevent the spreading of disease.

The invention discloses a making method of colloidal nanometer particle, which comprises the following steps: mixing the PVP solution and silver nitrate solution at 1-15:1 weight ratio; adding acetone in the mixing solution at 5-10:1 weight ratio for acetone and silver ion of silver nitrate; flowing the quartz snake pipe through radiating by 253.7-300 nm wavelength, irradiating by 14-2000 W ultraviolet at 0.5-60 mL / min speed. The invention doesn't produce toxic material or pollute environment, which is easy to control the grain size in the large-scale continuous production.

The invention relates to silicone rubber and a preparation method thereof, in particular to antibacterial silicone rubber and a preparation method thereof. The antibacterial silicone rubber comprises, by weight percentage, 96.5-98% of silicone rubber, 0.1-10% of antibacterial additive containing silver ions and 0.1-5% of carboxylic acid, wherein the antibacterial additive containing silver ions comprises one or more of silver-loaded zirconium phosphate, silver carboxylates, silver-impregnated zeolite, glass particles with silver-loaded surface coatings, colloidal silver particles or nano silver particles; the carboxylic acid comprises one or more of single acid, double acid, tribasic acid, fatty acid, alicyclic acid, alicyclic acid aromatic carboxylic acid or the anhydride of the carboxylic acid. The silicone rubber is efficient in antibacterial activity and applicable to various application requiring antibacterial performance.

The invention relates to a nanometer silver formaldehyde eradicating-liquid, which is formed by triethanolamine, sodium sulfite, complexon, amchlor, amylaceum, water and water-soluble colloidal silver, wherein the average diameter of water-soluble colloidal silver is 1-100nm; said eradicating-liquid can quickly disinfect bacillus coli, etc, and reduce the free formaldehyde density under 0.08mg / m3, while the virus disinfection rate is above 90%. The invention also discloses a relative preparation.

For a rapid and real-time SERS detection of organic chemicals in the air and the interfaces of air / solids, colloidal silver and / or gold nanoparticles solution is sprayed, in the form of nano- / micro-sized droplets, at the desired target area where the analytes of interest are present, e.g., in the air or onto certain organic / inorganic interfaces.

The present invention prepares negatively charged nanometer colloidal silver particle with high activity and long life with water solution of silver nitrate in 169.0-340 mg / l concentration, water solution of tannic acid in 9-20 g / l concentration, water solution of sodium carbonate in 9.5-10.5 g / l concentration and high purity water in conductivity lower than 0.2x10<-6> S / cm, and through heating the silver nitrate solution to near the boiling point, and dropping tannic acid solution and sodium carbonate solution successively while stirring. Compared with available technology, the negatively charged nanometer colloidal silver particle of the present invention has the advantages of high stability, shelf life over 4 years, low preparation cost and enhanced surface spectrum effect.

The invention discloses detection on melamine in hen eggs through the inner filtration effect of fluorescence and belongs to the technical field of analytical chemistry. The detection is characterized in that melamine is rapidly detected through the inner filtration effect of fluorescence between a quantum dot (ZnSe QSs) and a silver nano particle (AgNPs). The detection comprises the following steps: stably synthesizing AgNPs through citrate, synthesizing and purifying glutathione modified ZnSe QSs, observing a quantum dot-colloidal silver system of the melamine of different concentrations by using a fluorescence method, and detecting the melamine through fluorescence recovery of the quantum dot. By adopting the method, the melamine in hen eggs can be simply, rapidly and sensitively detected, great sensitivity is achieved, and convenience is brought to later research, production, monitoring and the like.

We disclose a colorless composition comprising silver particles and water, wherein said particles comprise an interior of elemental silver and an exterior of ionic silver oxide, wherein the silver particles are present in the water at a level of about 5-40 ppm, and wherein the composition manifests significant antimicrobial properties. Methods of use of the composition are described.

A bacteria deactivation device that has a porous medium through which water and bacteria contained in the water, like E. coli and fecal coliform, are passed. Colloidal silver within the medium deactivates bacteria that pass therethrough. The medium has a porosity up to 80% and pores sized to provide flow rates up to 8 liters per hour while meeting Environmental Protection Agency limits for human consumption of silver.

The present invention is drawn to methods of treating disease or injury. In particular, the invention provides methods for treating viral infections, bacterial infections, fungal infections, and cancerous tissue. The methods include the administration of an aqueous composition that can comprise an aqueous vehicle, including water, from 0.0001 wt % to 10.0 wt % of a peroxygen, and optionally, an alcohol. Additionally, from 0.0001 ppm to 50,000 ppm by weight of a transition metal based on the aqueous vehicle content can also be present. Alternatively or additionally, the transition metal can be in the form of a colloidal transition metal, such as colloidal silver or alloy thereof.

The invention provides a rapid detecting method for sodium cyclamate in baijiu, and particularly relates to the technical field of safety detection of food. The rapid detecting method comprises the steps of extracting sodium cyclamate in a sample a liquid-liquid extracting method; after mixing colloidal gold or colloidal silver with liquid to be detected, adding an agglomeration agent so that target molecules to be detected and colloidal gold or colloidal silver nano-particles can form 'hot spot', and generating a special Raman spectrum under the effect of laser with the aid of a peculiar electromagnetic enhancement effect of a nano material; and finally judging whether the sample contains the sodium cyclamate or not through a spectrogram obtained by analysis through a Raman spectrometer.Compared with a traditional method and another rapid detecting method, the rapid detecting method for the sodium cyclamate in the baijiu has the advantages that detection specificity, sensitivity anddetection speed of the sodium cyclamate in the baijiu are increased, the detection cost and operation difficulty are reduced, the method for detecting the sodium cyclamate in the baijiu is rapid and accurate, detection of a food safety detecting and supervising process is facilitated, and illegal adding behaviors can be cracked down effectively.

Babassuamadopropalkonium chloride is quaternary ammonium compounds obtained from natural babassu oil that contains a high level of lauric acid, and it has been used as mild conditioner. We found that babassuamadopropalkonium chloride has strong and broad-spectrum antimicrobial activity especially with bisabolol. Bisabolol is the active component of Chamomile, one of the most used medical plants, and has been used as anti-irritant. We found that there is a synergistic effect of bisabolol on hinokitiol, when combined with ethylhexylglycerin or caprylyl glycol. This synergistic effect of composition of bisabolol and ethylhexylglycerin can reduce the required amount of hinokitiol, which if used in high amount can be unstable by more than 100 times. Self-preserving personal care cleansing compositions that include bisabolol, alkyl or alkylamidopropyl betaines, amphoteric surfactants, acyl sarcosinates and optionally fatty acids and(or) acyl lactylate and(or) acyl glucoside and(or) babassuamadopropalkonium chloride and colloidal silver have also broad-spectrum antimicrobial activity.

A topical medicament, and associate method of use, for the treatment of dermatologic conditions in both humans and animals is provided. The medicament includes a mixture of Vitamin A, Vitamin D, Vitamin E, lanolin, petroleum jelly, colloidal silver, ti tree oil, zinc oxide and corn starch in appropriate proportions. Ingredient proportions may be varied to form an ointment or a paste having a thicker consistency than the ointment.

The invention relates to a preparation method of silver nanoparticles, in particular to a method utilizing shaddock ped extracting solution to synthesize silver nanoparticles in microwave. The preparation method includes preparing the prepared shaddock ped extracting solution to volume, mixing and stirring the prepared shaddock ped extracting solution with silver nitrate solution in a certain concentration after a certain period of time, transferring the mixture to a microwave reactor, reacting for a while under a certain power, performing centrifugal separation to products, and washing the products with deionized water and ethyl alcohol many times to acquire collargol silver nanoparticles. The preparation method is green and environmental protective, and convenient and efficient, and grain size of the silver nanoparticles prepared is 8-15nm, even in shape and good in dispersity, and the silver nanoparticles has good application prospect in the fields of biology, pharmacy, catalysis and the like.