11results about How to "Quick Qualification" patented technology

The invention relates to a double-layer hydrogel dressing with double functions as well as a preparation method and application thereof, and belongs to the technical field of biomedical materials. The hydrogel dressing is composed of an inner layer and an outer layer, the inner layer is a treatment layer with a diabetes wound healing promoting effect, and the outer layer is a detection layer with a blood glucose monitoring effect; the aperture of the hydrogel of the inner treatment layer is more than 10 times that of the hydrogel of the outer detection layer, and the inner layer and the outer layer are attached in a physical and chemical mode. According to the hydrogel dressing, the outer layer is small in pore diameter and compact in structure, the inner layer is large in pore diameter and loose in structure, the two layers are tightly combined, extraction of percolate and colorimetric detection of blood sugar at a wound are achieved, and the hydrogel dressing has excellent biocompatibility, antibacterial property, self-healing performance and swelling performance.

The invention discloses a method for determining the contents of ester solvents and additives in a sodium-ion battery electrolyte by GC-MS. Through preparation of a diluent, selection of a program method and control of conditions, the types and contents of the solvents and the additives in the sodium-ion battery electrolyte can be rapidly and accurately determined in one step. Therefore, the method can be widely applied to the field of component analysis of the sodium-ion battery electrolyte.

The invention discloses an integrated micro-fluidic chip system for detection, photothermal decomposition and verification of perfluorinated and polyfluoroalkyl substances. The integrated micro-fluidic chip system comprises an upper ultraviolet light-emitting layer, a middle micro-fluidic main body layer and a lower constant-temperature heating layer, the middle microfluidic main body layer internally comprises an inlet channel, an optical detection module, a photothermal decomposition chamber, a circulating pump structure, a residue verification chamber and an outlet channel; the upper ultraviolet light-emitting layer and the lower constant-temperature heating layer are respectively arranged corresponding to the photothermal decomposition chamber so as to provide a light field and a thermal field which have a synergistic effect; the system further comprises an external control circuit for controlling the operation of the circulating pump structure, the upper ultraviolet light-emitting layer and the lower constant-temperature heating layer, and controlling the path selection of the fluid according to the output result of the residual verification chamber, so as to realize a closed-loop treatment flow. According to the three-layer micro-fluidic chip system provided by the invention, efficient and reliable treatment on perfluoro and polyfluoroalkyl substances is realized through photo-thermal synergistic degradation and closed-loop feedback control.

The application provides a non-target detection device and system based on a nanopore and a detection method thereof, the non-target detection device and system based on a nanopore are used for non-target detection of a complex matrix through a nanopore, feature extraction is performed on a nanopore detection graph, and sample classification is realized through model construction, the detection method does not make a prior definition on a to-be-detected target, and various molecular information existing in serum is acquired in a net catching manner, non-target capture and overall state analysis of various molecules in serum are realized, and a new way of rapid and portable disease screening is provided.The application breaks through the limitation of traditional single marker detection by combining the nanopore technology and machine learning, and is expected to promote the development of precision medicine in a more efficient and comprehensive direction.

The present invention provides a biosensor and a kit for detecting algae toxins, including an aptamer Apt, a T chain, a waste chain, a primer1 chain, a primer2 chain, an auxiliary chain H, a rolling circle template chain padlock and a hairpin HP, and the nucleotide sequence thereof is shown in SEQ ID NO: 1-8. The sensor of the present invention has good analytical performance, and has the advantages of being visible to the naked eye, fast detection speed, simple operation, low price, low detection limit, and high specificity. It can make up for the defects and shortcomings of the existing detection methods of microcystin, and realize rapid and accurate quantitative detection thereof. The kit prepared by this research has methodological versatility for the detection of microcystin, and has potential application prospects in food samples and environmental monitoring.

The utility model provides an observation device and an observation system, and belongs to the technical field of batteries. An observation device for a battery comprises a shell used for containing the battery, an observation window is formed in the top wall of the shell and used for observing the state of the battery, and a first through hole and a second through hole are formed in the shell; an introduction member that introduces the first object into the housing through the first through-hole; and a leading-out member leading out the second object from the inside of the housing via the second through hole.

The invention discloses an atmospheric pollution control and pollutant online monitoring platform which comprises a data billboard module, an inspection ledger module, an environmental protection monitoring module, an environmental protection map module, an environmental protection file module, an environmental protection think tank module, a system management module and a system tool module. And the data billboard module comprises an environmental assessment classification form, a pollution discharge permission classification form, a construction progress form and the like. The method has the advantages that new environmental protection monitoring data codes are matched and designed, monitoring data are obtained, processed, stored, inquired and visually displayed, an environmental protection graph is constructed and applied, and objects and environmental protection archives are associated and presented to a management layer in a more visual mode. The sampling speed of the platform is improved by at least 5% compared with the prior art, the data analysis accuracy of the platform is improved by at least 7% compared with the prior art, the access response time of the platform is shorter than 3 seconds, and the platform can be applied to a WEB end and an applet end and has the advantages of rich atmosphere management forms, high accuracy and wider application range.

This invention provides a kit for detecting the pathogen of turtle mumps disease and its usage method, belonging to the field of biodetection technology. The kit includes a tissue pathogen release buffer, magnetic macroporous SiO2 microspheres, nucleic acid extraction solution, and detection reagents for the turtle mumps disease pathogen. This invention uses the tissue pathogen release buffer to release pathogens from tissues, magnetic macroporous SiO2 microspheres for pathogen enrichment, and nucleic acid extraction reagents to obtain a crude extract that can be directly used for LAMP amplification and qPCR amplification detection.

The utility model relates to a hair curler which comprises a handle, a heating part arranged at the front end of the handle and a heat conduction clamping piece hinged to the side wall of the front end of the handle. The heat-conducting clamping piece and the heating part are arranged side by side; a first electric heating piece is arranged on the heat conduction clamping piece; when the heat conduction clamping piece is folded, the inner side wall and the outer side wall of the heat conduction clamping piece respectively form two heating positions for heating hair, when a user clamps the hair for heating, the hair can be continuously and evenly heated through two heat sources on the inner side and the outer side of each heating position, and the qualitative effect is better and faster.

The application provides a method for analyzing cardanol in paint by using a thermal cracking gas chromatograph-mass spectrometer, and comprises the following steps: dissolving a paint sample with a solvent, performing thermal cracking, and then testing and analyzing by using a gas chromatograph-mass spectrometer; the solvent used is a mixed solvent of ethyl acetate, dimethylbenzene and acetone; and thermal cracking is performed at a suitable cracking temperature; and qualitative and quantitative analysis is performed on the content of cardanol in the paint.

The application discloses an online detection method for volatile organic compounds based on gas chromatography, and relates to the technical field of gas chromatography analysis.The method is characterized in that: the air to be detected is introduced into a pretreatment pipeline with a built-in spiral condenser for low-temperature enrichment, and then the concentrate is transferred to a resolution chamber through instantaneous heating.Subsequently, the carrier gas carries the resolved material into a gas chromatography separation column, and the components are separated in time sequence through programmed temperature rising.The separated components are detected by a flame ionization detector to generate an original spectrum containing retention time and peak area data.Finally, the original spectrum data are compared with a pre-stored volatile organic compound fingerprint feature library, the target species are matched according to the retention time, and the concentration is directly calculated by using the standard peak area response coefficient in the library to output the detection result.The method improves the enrichment and resolution efficiency through spiral condensation and instantaneous thermal resolution, realizes rapid qualitative and quantitative analysis by using the fingerprint feature library, and improves the automation level and analysis efficiency of online monitoring.