17results about How to "Achieving Simultaneous Detection" patented technology

The invention discloses an elastic positioning type detection system for automatically conveying a pressure gauge to be detected. The detection system comprises a conveying device, a positioning device, a detection box, a gauge pressing mechanism and a head pressing mechanism, at least three positioning devices are installed at the output end of the conveying device, the conveying device is used for circularly conveying all the positioning devices, and the positioning devices are suspended out of one side of the conveying device. A detection box is mounted on one side of the conveying equipment, an electric connection hole and a ventilation jack are formed in the detection box, and a meter pressing mechanism and a head pressing mechanism are mounted above the detection box; the positioning equipment comprises a mounting seat, a jacking type positioning device and a lifting type elastic clamping device, the mounting seat is mounted at the output end of the conveying equipment, and the jacking type positioning device is mounted on the mounting seat. The elastic positioning type detection system for automatically conveying the to-be-detected pressure gauges solves the problem that in the prior art, multiple to-be-detected pressure gauges cannot be simultaneously detected after the to-be-detected pressure gauges are automatically conveyed.

This invention discloses a calorimetric and infrared (IR) coupled device and method capable of simultaneously detecting the strength and state of solid-gas (liquid) interactions. The device, combined with a calorimeter having a measuring channel and an infrared measurement module, can simultaneously measure the strength and state of solid-gas (liquid) interactions. This invention also discloses a method for studying and detecting the strength and state of solid-gas (liquid) interactions. The amount of gas or liquid involved in the interaction is obtained by subtracting the amount of gas or liquid after the interaction from the initial mass of the gas or liquid, and the amount of substance is quantitatively obtained through a mass spectrometer connected to the device. The calorimetric and infrared coupled device and method disclosed in this invention can simultaneously obtain the strength and state of solid-gas (liquid) interactions in a single experiment.

The invention provides a molecularly imprinted polymer membrane based on microfluidic confinement and a preparation method and application thereof, the preparation method comprises the following steps: taking a base material, and arranging a microchannel on the base material; adding the prepolymerization solution into the microchannel; the prepolymerization solution comprises a silane coupling agent, template molecules, a cross-linking agent and a catalyst; and carrying out polymerization reaction on the prepolymerization solution under a confinement condition to prepare the molecularly imprinted polymer membrane. The microchannel is used for providing a confinement environment for in-situ growth of the molecularly imprinted polymer film, simultaneous imprinting of multiple template molecules is achieved, the obtained molecularly imprinted polymer film is uniform and controllable in thickness and matched with a detection probe, simultaneous detection of multiple substances can be achieved, the preparation method is simple, and preparation conditions are mild. According to the invention, high-integration-level detection of MIPs and NIPs is realized on the same chip, and the chip is simultaneously applied to simultaneous identification, separation, enrichment and detection of simultaneous detection of various substances.

The application relates to a multi-parameter water quality monitoring device which comprises a turbidity sensor, a flow cell, a residual chlorine sensor, a PH sensor and a conductivity sensor; the turbidity sensor is suitable for being connected to a water inlet; the flow cell is internally provided with a residual chlorine sensor bin, a PH sensor bin, a conductivity sensor bin and a connecting channel; the residual chlorine sensor bin, the PH sensor bin and the conductivity sensor bin are vertically arranged; the connecting channel is horizontally arranged and is in communication with the bottoms of the residual chlorine sensor bin, the PH sensor bin and the conductivity sensor bin; the residual chlorine sensor is arranged at the internal top end of the residual chlorine sensor bin; the PH sensor is arranged at the internal top end of the PH sensor bin; and the conductivity sensor is arranged at the internal top end of the conductivity sensor bin; the flow cell is further internally provided with a pressure stabilizing bin; the pressure stabilizing bin is vertically arranged, the bottom of the pressure stabilizing bin is connected with the end of the connecting channel, the top of the pressure stabilizing bin is connected with the turbidity sensor, and the end of the connecting channel, which is away from the pressure stabilizing bin, is provided with a water outlet.

The utility model discloses a multispectral bamboo quality detection system, including frame, feeding unit, light source unit and multispectral camera unit, the frame is provided with camera obscura structure, the feeding unit is provided on the frame and located in the camera obscura structure, the image acquisition area is provided on the feeding unit, the light source unit is provided on the frame, and the multispectral camera unit is provided on the frame and located in the camera obscura structure. And the multi-spectral camera unit is arranged in the camera obscura structure and located above the feeding unit, and the multi-spectral camera unit is arranged on the rack, located at the center of the top of the camera obscura structure and located over the image acquisition area. The bamboo quality evaluation device can effectively solve the problems that quality evaluation before bamboo processing mainly depends on manual work and bamboo bending is not easy to detect at present.

This invention discloses a device for detecting the waviness of the raceway surface of a rolling linear guide, comprising: a bed for providing a mounting plane; a linear guide pair arranged parallel to the rolling linear guide under test, used to guide the sliding of a sensor lifting device in the opposite direction; a linear module for driving the sliding of the sensor lifting device on the bed, realizing the reciprocating motion of the scattered light sensor from the rolling linear guide under test to the detection end; a scattered light sensor for detecting the waviness of the upper and lower raceways on both sides of the rolling linear guide under test; and a sensor lifting device for moving and sliding the scattered light sensor along a direction perpendicular to the linear guide pair, adjusting the height of the scattered light sensor, and rotating the scattered light sensor so that the detection light of the scattered light sensor is aligned with the surface of the raceway under test of the rolling linear guide. This invention can quickly and accurately detect the waviness of the four raceway surfaces of the guide.

The application relates to the technical field of biological detection, and discloses a composition, a kit and a detection method for detecting an EB virus related nucleic acid marker. The composition provided by the application comprises primers for detecting EB virus mRNA and EB virus derived miRNA. Through the combined use of specific primers designed for specific EB virus mRNA and EB virus derived miRNA, the application can realize rapid, high-specificity and high-sensitivity detection of the EB virus, thereby providing more accurate diagnosis information for the subsequent treatment and prevention and control of EB virus infection.

This invention relates to the fields of modified electrode preparation and drug analysis, specifically disclosing a method for preparing a self-supporting flexible electrode capable of simultaneously detecting baicalein and luteolin, and its application. The self-supporting flexible electrode is prepared by the following method: First, carbon fiber paper is immersed in an aqueous solution containing zinc salt, and then a zinc oxide seed-modified carbon fiber paper is obtained through a pyrolysis reaction; then, the zinc oxide seed-modified carbon fiber paper is subjected to a hydrothermal reaction to obtain a zinc oxide nanorod array-modified carbon fiber paper (ZnO@CFP); then, copper oxide nanosheets are deposited on ZnO@CFP by chemical deposition to obtain a copper oxide nanosheet-zinc oxide nanorod array composite material-modified carbon fiber paper (CuO-ZnO@CFP); finally, an aqueous solution of carbon nanotubes is sprayed onto CuO-ZnO@CFP to obtain a carbon nanotube-copper oxide nanosheet-zinc oxide nanorod array ternary composite material-modified carbon fiber paper (CNT-CuO-ZnO). The CuO-ZnO-CNT@CFP was cut and used as a self-supporting flexible working electrode to construct an electrochemical sensor that can simultaneously detect the content of baicalin and luteolin in traditional Chinese medicine samples. It has a wide detection range, high sensitivity and low detection limit, and has great potential for practical application.

The invention discloses a method for measuring residual quantity of residual impurities DMAP and EDU in synthesis of antitumor drugs, and belongs to the technical field of drug analysis. According to the method, high performance liquid chromatography is adopted for detection; dimethyl sulfoxide is used as a solvent to dissolve the sample for detection; detection conditions of the high performance liquid chromatography are as follows: a chromatographic column is an octadecyl bonded silica gel column; the mobile phase A is a sodium perchlorate buffer solution or a potassium hexafluorophosphate buffer solution; the mobile phase B is acetonitrile; the detector is an ultraviolet detector; the detection wavelength for detecting the DMAP is 278 to 282 nm, and the detection wavelength for detecting the EDU is 198 to 202 nm; a gradient elution mode is adopted. The method is used for detecting DMAP and EDU residues in the raw material medicine, is high in sensitivity and accuracy, does not need a special column, can meet the control limit of the ICH guidance principle on genotoxic impurities and general impurities of the raw material medicine, provides reliable guarantee for impurity control of the raw material medicine, and further guarantees the safety of clinical medication.

This invention belongs to the technical field of exosome protein detection, and provides a SERS sensing platform for simultaneous joint detection of exosome proteins and its preparation method, including the following steps: pretreatment of the initial sample by differential centrifugation; preparation of a magnetic bead-exosome complex, and labeling three proteins on the surface of exosomes with different SERS tags; in-situ deposition of silver nanoparticles on the immunomagnetic bead-exosome complex; preparation of a gold film array substrate for SERS detection, utilizing the synergistic enhancement effect of SERS through multi-level signal amplification to obtain the SERS signals corresponding to each protein on the exosome. This constructs a SERS sensing platform integrating separation, enrichment, and detection for highly sensitive detection of exosome proteins. It significantly improves the binding efficiency of exosomes to noble metal Raman probes, enhancing the feasibility of simultaneous joint detection of multiple proteins in the same sample. This method has high sensitivity and specificity, enabling high-throughput detection of exosome proteins.

This invention discloses a packaged food sorting device and method, belonging to the field of food bottle and can sorting technology. The packaged food sorting device includes two vision inspection devices fixed to the front and back surfaces of a frame. The frame surface is provided with a conveying assembly for distributing bottles and cans in a stepped manner in front of the vision inspection devices. The frame surface is also provided with an interception assembly for intercepting bottles and cans in front of the vision inspection devices. The interception assembly includes two intercepting rods disposed on the surface of a connecting block. By setting the conveying assembly, the bottles and cans are raised to different heights as they pass through the first and second lifting sections, allowing multiple bottles and cans to be distributed in a stepped manner in front of the vision inspection devices. The vision inspection devices inspect the tops and sidewalls of the bottles and cans at an angle, avoiding mutual obstruction and enabling simultaneous inspection of multiple bottles and cans without creating blind spots.

The utility model provides a kind of superfast detection device of fluorescent quantitative polymerase chain reaction, it is related to molecular biology detection technical field, including: casing, the bottom position of the one side of the casing and the inside position of casing are equipped with firm plate respectively, the firm plate of bottom is equipped with first electric motor on one side, the bottom position of the firm plate of inside is equipped with third electric motor, the bottom position of casing is equipped with locating sleeve on the other side.Electric motor driven stirring sleeve simultaneously, synchronously stirs a group of reaction test tube, makes fluorescent quantitative polymerase chain fully mix in reaction test tube, the inside of stirring sleeve is provided with detection rod and the reaction of fluorescent quantitative polymerase chain is rapidly detected, the setting of an electric motor simplifies the drive structure and energy consumption of a group of stirring sleeve, detection rod, solves the problem that traditional integration structure is poor in adaptability, maintenance is complicated.

The utility model provides a kind of pressing tool, including support, mobile drive arrangement, pull apart device, support is provided with first pressing part and the second pressing part of being able to move, first pressing part is located in the side of second pressing part, to pass through first pressing part and second pressing part and press multiple workpieces;Mobile drive arrangement is dynamically coupled with second pressing part;Pull apart device is set on support, pull apart device includes pull apart drive mechanism and multiple along the first direction arrangement's poking element, multiple poking element is relative to support and can be set along the second direction activity, to pass through multiple poking element respectively and release the edge portion of multiple workpieces, multiple poking element is relative to support and can be set along the first direction activity, and the pitch of multiple poking element is presented and can be set to be larger and smaller, to when multiple poking element respectively and the edge portion of multiple workpieces are abutted, pass through multiple poking element and separate the multiple workpieces after being pressed tightly.The utility model's pressing tool can improve work efficiency.

The utility model discloses an integrated busbar with a cell pressure release valve detection function. The integrated busbar comprises an insulating bottom plate, a circuit board, a conductive part and a plurality of detection parts, a plurality of through holes are formed in the left end and the right end of the insulating bottom plate; the through holes correspond to the battery cell poles in position; the circuit board is arranged above the insulating bottom plate, a plurality of connecting structures are arranged on the left side and the right side of the circuit board, a plurality of mounting holes are correspondingly formed in the middles of the insulating bottom plate and the circuit board respectively, and the mounting holes correspond to the safety valves of the battery cells in position; the conductive part is arranged at the bottom of the connecting structure, penetrates through the through hole and is connected with the pole of the battery cell, and the conductive part is fixedly connected with the connecting structure; the detection part corresponds to the mounting hole; each detection part comprises a core body arranged on the circuit board and a sensor connected with the core body, the detection parts are of a semi-split structure, and the sensors can penetrate through the mounting holes to cover the battery cell safety valves. Through the arrangement, the integrated busbar is lower in cost and higher in reliability.

This invention relates to a microfluidic biosensing platform based on upconversion luminescence, comprising: an upconversion luminescence biosensor for specifically identifying EDCs; and a microfluidic chip for integrating the mixing, reaction, separation, and detection of the upconversion luminescence biosensor and a sample to be tested; the microfluidic chip comprising: a sample inlet for introducing the upconversion luminescence biosensor and the sample to be tested; an arc-shaped channel, the inlet of which is simultaneously connected to the sample inlet of the upconversion luminescence biosensor and the sample inlet of the sample to be tested, wherein the arc-shaped channel is used for mixing and reaction after the upconversion luminescence biosensor and the sample to be tested enter the arc-shaped channel; a separation channel connected to the outlet of the arc-shaped channel for magnetic separation of the upconversion luminescence biosensor after the reaction is completed; and a detection cell connected to the outlet of the separation channel for completing luminescence-enhanced quantitative detection of EDCs.

The invention relates to the technical field of pathogenic microorganism detection, provides a pathogenic microorganism tolerance detection device, and solves the technical problem that the existing device is difficult to carry out multi-temperature and multi-medicament concentration tolerance detection at the same time. The device comprises a detection box, the interior of the detection box is divided into three detection cavities through transverse partition plates, each detection cavity and a box top fixing base are each provided with a rotatable placing table, the detection cavity placing tables are used for placing culture dishes, and the box top placing table is used for placing test tubes with different medicament concentrations through pearl wool bases; the detection box is provided with a medicament adding mechanism, and medicaments in test tubes can be quantitatively atomized and added into the culture dishes; a heating mechanism is arranged on one side, and different temperature environments are constructed for the three detection cavities in combination with a temperature sensor and a flow regulating valve. The pathogenic microorganism tolerance detection device provided by the scheme integrates culture and medicament adding functions, realizes multivariable synchronous detection, simplifies the operation process, reduces the pollution risk, and improves the detection efficiency and accuracy.

The invention belongs to the technical field of analysis and testing of impurities in high-purity samples, and particularly relates to an ICP-MS (Inductively Coupled Plasma Mass Spectrometry) detection method for trace impurities in high-purity yellow phosphorus. Through accurate weighing of a yellow phosphorus sample and a mixed acid-microwave digestion technology, the sample is rapidly dissolved under high-temperature and high-pressure conditions, and the sample is diluted and then directly detected on a machine; the yellow phosphorus sample pretreatment and on-machine measurement efficiency is improved. The method mainly comprises the following steps: S1, weighing a yellow phosphorus sample; s2, sample digestion; and S3, ICP-MS machine detection is carried out. According to the method, a yellow phosphorus sample is digested by adopting a mixed acid-microwave digestion method and then is detected by adopting an ICP-MS (Inductively Coupled Plasma Mass Spectrometry), and a proper amount of oxalic acid is added into the digested nitric acid, so that elements such as impurities As, Mg, Na, Ca and Fe in the yellow phosphorus sample can be effectively dissolved and released within a short time; in the detection process, a collision reaction tank mode is adopted to eliminate element interference, 23 trace impurity elements can be detected at the same time, the detection efficiency is high, the detection time of each batch of samples is shortened to be within 4 h, and the detection limit of each element is reduced to 10 ppt or below.