122 results about "Labeling Materials" patented technology

An endoscope system is disclosed for detecting fluorescent light emitted in the near-infrared region by a plurality of fluorescent labeling materials introduced into a living tissue. An illumination system generates illumination light in the wavelength range 600 nm-2000 nm which serves as excitation light for the plurality of fluorescent labeling materials, and a detection system that can separately detect different ones of the plurality of fluorescent light emissions that are emitted at different wavelengths from among the plurality of fluorescent labeling materials is provided. The endoscope system may include a conventional-type endoscope having an insertion section, or a capsule endoscope that wirelessly transmits image data. By superimposing the image data obtained using reflected light in the visible region and fluorescent light emitted by the fluorescent labeling materials, improved diagnostic capabilities are provided.

The invention relates to a preparation method of a magnesium-aluminum layered composite plate, aiming at solving the problems that the magnesium-aluminum alloy plate is light in weight, low in strength and poor in corrosion resistance. The method comprises the steps of: pressing and labeling a layer of aluminum plate on the magnesium-aluminum alloy plate; taking magnesium-aluminum eutectic alloy powder as a pressing and labeling material; pressing and labeling the magnesium-aluminum alloy plate+the magnesium-aluminum eutectic alloy powder+the aluminum plate into a magnesium-aluminum layered composite plate in an open-close through groove mould on a press machine under the temperature of 480 DEG C and the pressure of 30M Pa for 60s; and performing the low-temperature thermal treatment, so that an internal metallographic phase tissue of the magnesium-aluminum layered composite plate is more compact and stable. The method is advanced and reasonable, small in use equipment, short in technological process, and fast in speed. The mechanical property tensile strength of the magnesium-aluminum layered composite plate can reach 24MPa. Compared with the prior art, the mechanical property tensile strength can be improved by 95%, and the corrosion resistant performance can be improved by 94%, therefore, the preparation method of the magnesium-aluminum layered composite plate is very ideal.

A business form according to the present invention including a ply of label stock, a ply of release liner stock, and a ply of message or record bearing stock, may be configured as either a continuous or cut sheet form. The ply of label stock has one side coated with a pressure sensitive adhesive. The ply of release liner stock has a release side that engages with the adhesive on the one side of the label stock. The release liner ply and the label stock ply have edges that are laterally offset from one another so that a narrow longitudinal strip of adhesive is unengaged with the release liner. The ply of message bearing stock is adhered at one edge to the label stock at the narrow longitudinal strip of adhesive. A plurality of cuts is defined by, and extends through, the release liner from the back of the business form, whereby the structural integrity of the business form is enhanced.

The invention relates to a carbon quantum dot fluorescence labeling material with orange peels used as a carbon source as well as a preparation method and an application of the carbon quantum dot fluorescence labeling material. The orange peels are used as a raw material, and a simple method for one-step synthesis of a high-fluorescence-quantum-efficiency carbon quantum dot is established. The method comprises steps as follows: the orange peels are mixed with water; then a mixed liquid is mixed with concentrated sulfuric acid; the pH is adjusted by the aid of NaOH, and undissolved residues are removed in a centrifugal manner; then dichloromethane is added to a centrifuged supernate, and a non-fluorescence fat-soluble substance is removed in the centrifugal manner; finally, the centrifuged supernate passes through a film, and the fluorescence labeling material is prepared. According to the method, high-temperature and high-pressure reactions are not required to be performed by equipment such as plasma emitters, hydrothermal reaction kettles, muffle furnaces and the like during synthesis, reaction conditions are mild, operations are simple and convenient, the cost is very low, the method can be implemented in ordinary laboratories, the synthesized fluorescence labeling material lays a foundation for the further application to work such as bio-labeling, heavy metal analysis, antibody labeling, cell staining and the like.

The invention relates to a carbon quantum dot fluorescence labeling material with egg white used as a carbon source as well as a preparation method and an application of the carbon quantum dot fluorescence labeling material. The egg white is used as a raw material, and a simple method for one-step synthesis of a high-fluorescence-quantum-efficiency carbon quantum dot is established. The method comprises steps as follows: the egg white is mixed with water; then a mixed liquid is mixed with concentrated sulfuric acid, and a mixture is placed in a water bath; the pH is adjusted, and undissolved residues are removed in a centrifugal manner; then dichloromethane is added to a centrifuged supernate, and a non-fluorescence fat-soluble substance is removed in the centrifugal manner; finally, the centrifuged supernate passes through a film, and the fluorescence labeling material is prepared. According to the method, high-temperature and high-pressure reactions are not required to be performed by equipment such as plasma emitters, hydrothermal reaction kettles, muffle furnaces and the like during synthesis, only conventional instruments and equipment such as the water bath and the like are required, reaction conditions are mild, operations are simple and convenient, the cost is very low, the method can be implemented in ordinary laboratories, and the method has the good generalizability.

It is an object of the present invention to provide a detection method in which background noise is not increased even if a high-luminance fluorescent labeling material is used and which has an improved S / N ratio and high quantitativity and is advantageous for an immunohistological staining method. The present invention provides a detection method which is a method for detecting a specific biological substance using, as a color former, fluorescent substance-encapsulated nanoparticles to whose particle surfaces biological substance-recognizing molecules that specifically recognize a specific biological substance have been bonded, and which has an improved S / N ratio and high quantitativity and is advantageous for an immunohistological staining method because nanoparticles encapsulating no fluorescent substance are used as a blocking agent for preventing the fluorescent substance-encapsulated nanoparticles from being non-specifically adsorbed on a biological substance other than the specific biological substance.

The present invention provides a test paper card which is used for simultaneously detecting a plurality of colloidal gold immunochromatographic assays, and relates to the immuno-chromatographic technology of the detecting test strip, in particular to a colloidal gold immunochromatographic assay detection device which can be used for qualitatively and simultaneously detecting a plurality of antigens or antibodies. The device consists of a plastic card box and two test strips; the plastic card box has a positive side and a negative side, a sampling window and an observing window are positioned on the positive side, and an observing window is arranged on the negative side; a sample pad, a glass fiber membrane, a chromatographic membrane and an absorbent pad are arranged on the test strip in sequence and are used for absorbing the antigens or antibodies on the specific regions of the chromatographic membrane, so as to form a quality control line and one or more than one detection line(s); the two test strips are separated by a plastic bottom lining, and no plastic bottom lining is arranged in the position of the sample pad, so the sample pad is connected with the two test strips; the sample pad corresponds to the sampling window, and the chromatographic membranes on the two test strips respectively correspond to the observations on the positive side and on the negative side; a colloidal gold labeling material is pre-buried in the position of glass fiber membrane; the sample is added into the sample pad, the test strips of the positive side and the negative side simultaneously perform the function of capillary proliferation towards the absorbent pad, and after the immunoreaction, the immune complex which can be seen by naked eyes is formed.

The present invention discloses one kind of Zn(1-x)M2S4:Ax / ZnS core-shell structure quantum dot with ZnS shell, and features its chemical expression of Zn(1-x)M2S4:Ax / ZnS, where, M is Ga or Y, A is one or two of Mn, Cu, Ag, Al, Pr, Eu, Er, Tm, Ce, Yb and Nd, and x is 0.001-0.5. The present invention also provides the preparation process of the quantum dot. The preparation process has safe material, low material cost, simple and safe operation and relaxed equipment requirement, and is suitable for large scale preparation in lab. The prepared quantum dot has high dispersivity, high fluorescence strength and high stability, and may be used as fluorescent labeling material for biological detection and analysis and as light emitting material for display devices.

The present invention discloses one kind of core-shell structure quantum dot with ZnS shell, and features its chemical expression of M(1-x)Y2S4 to Ax / ZnS, where, M is Bioavailability or Ca, A is one or two of Mn, Cu, Ag, Al, Pr, Eu, Er, Tm, Ce, Yb and Nd, x is 0.001-0.5. The present invention also provides the preparation process of the quantum dot. The preparation process has safe material, low material cost, simple and safe operation and relaxed equipment requirement, and is suitable for large scale preparation in lab. The prepared quantum dot has high dispersivity, high fluorescence strength and high stability, and may be used as fluorescent labeling material for biological detection and analysis and as light emitting material for display devices.

The invention provides an overlapping curve heat-conducting glue label material with an inflaming retarding function. The heat-conducting glue label material comprises a sold polyester film or polyimide film, a dotted inflaming retarding crylic acid heat-conducting glue layer, NOMEX paper, a latticed inflaming retarding crylic acid glue layer and sold 100g bagracine embossed backing paper from topto bottom. Based on the dotted glue combination technology, the prepared overlapping curve heat-conducting glue label material with the inflaming retarding function has high insulation performance and a certain heat conducting function, and can be widely applied to paper packaging materials.

The invention relates to a method for preparing a fresh meat freshness diagnostic label material, relates to a method for preparing a fresh meat freshness diagnostic label, and mainly solves the technical problems that in the prior art a fresh meat freshness non-destructive testing method requires large-scale instruments and equipment, and is inconvenient. The method for preparing the fresh meat freshness diagnostic label material comprises the following steps: 1, quaternization of cellulose fiber; 2, reaction of bromothymol blue with quaternized cellulose fiber to obtain color-changing cellulose fiber; 3, preparation of a film forming solution from cassia seed polysaccharide powder, the color-changing cellulose fiber and glycerin, casting into a film and drying to obtain the fresh meat freshness diagnostic label material. The fresh meat freshness can be judged by visual observing of the color change of the label material, and the fresh meat freshness diagnostic label material is simple to use, inexpensive, efficient and convenient, and can be used in the field of food package.

The present invention provides a preparation method of a carbon dioxide indicating label material for food packaging, wherein a UCST or LCST polymer having carbon dioxide responsivity is prepared in one step by carrying out RAFT (reversible addition-fragmentation chain transfer polymerization), ATRP or NMRP and other active polymerization on a UCST or LCST polymer monomer, a carbon dioxide responsive monomer and an optionally added initiator. According to the present invention, the prepared carbon dioxide indicating label material is highly sensitive to carbon dioxide generated by corruption in food, and can respond to carbon dioxide with a concentration of 0-3.0 mmol / L, wherein the transparency of the label material is changed along with the carbon dioxide emission, such that the freshness of food can be recognized by the human eye, and the method is simple and convenient.

The invention relates to a cotton hybrid breeding method utilizing a double labeling method. Doubling labeling materials including a cotton chick-claw leaf and a pigment gland are selected and used to perform hybrid cotton breeding. A cotton F1 generation hybrid bred by the method has remarkable characteristic differences from those of a male parent and a female parent and has remarkable labeling characteristics during a whole growth period, seed purity is identified easily, the problem of purity identification of the cotton hybrid is effectively solved, the production quality of the cotton hybrid can be controlled simply, conveniently and effectively, the production cost is reduced, and the seed production area can be expanded at any time according to the requirements. The seed production method can prevent cotton hybrids which are forged and fake and poor in purity from entering into the market, provides technical support and protection for legitimate rights and interests of producers, operators and cotton growers, and has high application value for promoting healthy development of a cotton seed industry.

A postage label dispensing system for dispensing adhesive-backed labels including a face material having an adhesive backing and a liner material detachably bonded to the adhesive backing. The adhesive backing defines a plurality of longitudinal adhesive strips and at least one non-adhesive region disposed therebetween and the face material includes at least one longitudinal cut disposed adjacent to, and aligned with, the non-adhesive region. The label dispensing system includes a system for displacing a supply of label material along a feed path and a peeler guide interposing the feed path operative to (i) guide the label material between upper and lower guide members of the peeler guide, (ii) induce a bend in the liner material along an axis substantially parallel to the at least one longitudinal cut, and (iii) separate an edge of the face material from the liner material along at least a portion of the longitudinal cut. The upper guide member, furthermore, defines an opening for receiving the edge of the face material upon separation from the liner material and dispensing an application-ready label through the opening. A processor controls the operation of the conveyance system to draw the label material through the guide members such that the separated edge of the application-ready label is dispensed through the opening in the upper guide member of the peeler guide.

The invention discloses a silica-coated ferroferric oxide nanocluster serving as a magnetic labeling material and a preparation method thereof. The method includes the steps that first, with iron chloride hexahydrate and sodium acetate trihydrate as raw materials and ethanediol as solvent, Fe3O4NCs with good dispersity, high magnetic response and superparamagnetism is prepared by improving a solvothermal method; then, with the cluster as a precursor, absolute ethyl alcohol and deionized water as a dispersant and ethyl orthosilicate and strong ammonia water as raw materials, the silica-coated ferroferric oxide nanocluster is synthesized with assistance of ultrasonic waves under the condition of a normal-temperature water bath. The silica-coated ferroferric oxide nanocluster composite obtained through the method has excellent magnetic performance, the thickness of a silica shell is uniform and is kept within 10-20 nm, the surface carries a large number of silicon hydroxyls, excellent biological safety and compatibility are achieved, and the requirement of a magnetic micro-nano sensor for the magnetic labeling material is met.

The present invention is an apparatus and method for cutting individual label strips from a roll of label web utilizing a cutter assembly. A label cutter comprises a cutter assembly for continuously and independently controlling the rotational speeds of a rotating cutter shaft, a stationary shaft, and a label feed roller is provided. The length of the label strip is controlled by the distinct speed of rotation of a stationary knife, the stationary knife is rotatably coupled to the stationary shaft. At least one cutter blade is operatively associated to the rotating cutter shaft for cutting the label web. The stationary knife rotates with a to speed of rotation different from the speed of rotation of the cutter blade to produce longer or shorter label length strips. The frequency at which the cutter blade meets the stationary knife is inversely related to the length of the label strip that is produced during cut off.

The invention discloses a water-soluble rare earth ion doped zirconium dioxide nano fluorescence labeling material and a preparation method thereof, relates to rare earth ion doped zirconium dioxide nano fluorescence labeling materials, and particularly relates to a method enabling rare earth ion doped zirconium dioxide nanocrystalline to have water solubility and biocompatibility. Rear earth ions are successfully doped into zirconium dioxide nanocrystalline by means of a high-temperature solvent thermal and ligand exchange method to obtain a monodispersed, water-soluble and highly-luminous zirconium dioxide nano fluorescence labeling material with rare earth ions. The composition of the zirconium dioxide nano fluorescence labeling material is xRE3+-(1-x) ZrO2 (RE=Eu, Tb; x=0-50mol%). High visible light transmission of matrix-sensitized rear earth ions can be realized by using a spectrometer to detect luminescence of samples and stimulating ZrO2 matrix.

The invention provides an organic amine surface-modified metal sulfide material, which is composed of a metal sulfide material and an organic amine shell, wherein the organic amine shell is covered on the metal sulfide material. The metal sulfide material and the organic amine shell are bound together through strong chemical bonds, so the chemical and physical properties of the provided material are very stable. Because the metal sulfide material and the organic amine shell are strongly bound together, the shell will not fall off the metal sulfide material even under various chemical reactions or after a plurality of circulation usages. The invention also provides a method for carrying out organic amine surface modification on the metal sulfide material. The modification method comprises the following steps: mixing the metal sulfide material and an organic compound / polymer containing an amino functional group in an organic phase, and then heating the system to carry out chemical synthesis. The invention further provides the applications of the provided metal sulfide material, which is mainly used as a semiconductor luminescent material, a photo-electric and electro-optical conversion material, a photoelectric catalysis material, a photo-thermal material, a bio-labeling material, a coloring material, and the like.

The present invention provides a method of producing a reverse-printed pressure-sensitive cut label using thin or lighter liners in a continuous process and single pass. The invention eliminates the need for printing over the adhesive or silicone and permits reverse printing directly on the backside of the label face stock. Further, the present invention obviates the need for shipment of finished label material to a printer for printing and eliminates the multiple steps and costly equipment involved in silicone coating release paper in-line during the label making process. In addition, the present invention provides a method of producing multiple, single webs of cut reverse-printed labels in a single pass, saving both materials costs and additional unwinding, slitting and rewinding steps and equipment.

The invention discloses a food contact resealing label material which comprises a thin film matrix, an acrylic acid pressure-sensitive binding agent and a silicon oil base paper / film. The oxygen permeability of the thin film matrix is lower than 2.0*10<-5>m<3> / m<2>*d*Pa, and the moisture penetrability of the thin film matrix is lower than 2.0*10<-4>kg (s*m<2>); the acrylic acid pressure-sensitivebinding agent is arranged on the lower surface of the thin film matrix, and the residue of the solvent is 5mg / m<2>-RL values; the total transfer volume of acrylic acid is 6mg / kg-RL values; the siliconoil base paper / film is arranged on the lower surface of the acrylic acid pressure-sensitive binding agent. The invention further discloses a preparation method of the food contact resealing label material, a food contact resealing label prepared from the food contact resealing label material and an application of the food contact material to food package. The oxygen permeability, the moisture permeability, the solvent residue, the total transfer volume of acrylic acid and isocyanate residue of the food contact resealing label material can meet the demand of food contact and food contact package.

The invention discloses a fluorescence labeling biological material and a preparation method thereof. The method comprises the following steps: (1) activating fluorescent molecules; (2) carrying out areaction on a polymer and activated fluorescent molecules; (3) dialyzing the solution after the reaction in the step (2) with deionized water, and freeze-drying to obtain a fluorescence labeling biological material, wherein the polymer is a polyamino acid-based polymer or a chitosan-based polymer. According to the invention, the carboxyl on a fluorescent molecule is activated into active ester, then the active ester and the amino on a biopolymer are subjected to an amidation reaction, and the fluorescent molecule is chemically coupled to the biopolymer, so that the fluorescence labeling material has different fluorescence colors due to different labeled fluorescence molecules, and the chemical labeling method avoids the defect that fluorescent molecules or particles thereof are easy to diffuse out of a system in physical mixing or electrostatic adsorption and other methods; and the fluorescence labeling biological material has a wide application prospect in the research fields of in-vitro and in-vivo imaging, tracing, material degradation, biosensing, 3D printing and the like.

The invention provides a special masking heat-dissipation polyimide electronic label material. The material comprises a polyimide film, a black organic silicone glue layer and polyester film releasing-type base paper from top to bottom; the black silicone glue layer comprises graphene, nanometer silicon carbide, an organic silicone adhesive and ethyl acetate according to a mass ratio of (10-15):(2-3):(60-65):(25-30). The provided special masking heat-dissipation self-adhesive electronic label material has good masking property and can achieve a masking effect higher than 95% and assist electronic and electrical products in heat dissipation, and the heat dissipation performance is improved by 30%. The material is mainly used for electronics and battery product information labels.

The invention discloses a near-infrared luminescence bio-fluorescence labeling material. The crystal structure of the material is a rhombohedron structure and the molecular formula is Ba3[P(1-x)MnxO4]2, wherein 0.002 <= x <= 0.025. The invention also discloses a preparation method of the material, comprising the steps of: (1) weighing the compound raw materials containing barium, phosphorus, and manganese according to a molar ratio of elements; (2) preburning for 3-8 hours at the temperature of 300-500 DEG C after grinding and mixing; and (3) taking out the sample after preburning, regrounding and mixing, and firing for 10-20 hours at a temperature of 900-1100 DEG C to obtain a near-infrared luminescence fluorescent powder. The bio-fluorescence labeling material of the invention has the advantages of strong luminescence, good chemical stability, excellent water resistance, broad excitation, narrow emission peak, long life and good biocompatibility.

The invention discloses an adhesive sticker material convenient to remove. The adhesive sticker material convenient to remove comprises a plane material layer, an adhesive layer and a release paper bottom material layer which are sequentially arranged; the plane material layer and the release paper bottom material layer are bonded through the adhesive layer and can be mutually peeled; and the plane material layer is prepared from the following raw materials in parts by weight: 60-70 parts of polyethylene, 30-45 parts of styrene-ethylene-propylene-styrol copolymer, 2-3.5 parts of an antioxygen,3-6 parts of a fire retardant and 2-5 parts of a processing agent. According to the adhesive sticker material convenient to remove, the adhesive sticker material convenient to remove is convenient toremove after sticking, the needed effort is small, the adhesive sticker material is not prone to being torn up, information existing on the surface of the adhesive sticker is guaranteed, and the adhesive sticker material is suitable for being used as a removable label material; and after the adhesive sticker material is stuck and removed, the amount of adhesive residue left on the surface of an stuck object is very small, and the appearance and using of the stuck object cannot be influenced.

The invention provides a high-temperature resistance anti-counterfeit label material. The high-temperature resistance anti-counterfeit label material comprises a silicon-coated bottom paper layer, an adhesive sticker layer, a color layer, a protecting layer, a release layer and a thin film layer which are sequentially arranged. According to the high-temperature resistance anti-counterfeit label material, even though the material is uncovered under the high-temperature condition of 120 DEG C, characters or patterns preset inside the label material can still appear on an object; moreover, the label material cannot be recovered, and thus the warning effect and the falsifying prevention anti-counterfeit effect are achieved.