1599 results about "Reagent bottle" patented technology

The invention relates to an enzyme-linked immune analysis method and a fully-automatic enzyme-linked immune analyzer. The analyzer comprises a rack component, a washing component, a sample adding/reagent adding component, a heating and temperature control component, a fluid path system, an input and output device, an optical measurement component and a control system, wherein the rack component comprises a rack soleplate; a pillar is arranged on the rack soleplate; a lower fixed plate and an upper fixed plate are arranged on the pillar from bottom to top in sequence; a circular reaction plate is arranged between the lower fixed plate and the upper fixed plate; the circular reaction plate is connected with the upper fixed plate and the lower fixed plate through a central shaft; a first motor is fixedly arranged at the lower part of the lower fixed plate; and the first motor is used for driving the circular reaction plate to rotate through a first transmission mechanism. When in use, the enzyme-linked immune analysis method and the fully-automatic enzyme-linked immune analyzer can carry out the detection of corresponding projects without wasting reagent through only one sample; and detection reagents need not to be respectively contained in different reagent bottles, so that the operation is very convenient, and the operation error is not easily caused, thereby ensuring the accuracy of the detection results.

The invention relates to a human body gastrointestinal tract bionic system and a simulation experiment method based on the system. The system comprises a system controller, an intestinal flora planting system, a simulation digestion system, a simulation absorption system, a stirring system, a rate control system, a gas path system, a temperature adjusting system, a pH adjusting system, a digestion liquid reagent bottle, an absorbing liquid reagent bottle and a collector. The method comprises the following steps: setting parameters of the control system, preparing planting colloidal particles, planting the intestinal flora, simulating digestion and the like. The system simulates gastrointestinal tract digestion, absorption and intestinal microecology of human bodies under in-vitro conditions, is real in simulation and good in reproducibility, and us applicable to study on the fields of nutriology, toxicology, physiology, microbiology and the like as intelligent control is adopted.

The invention discloses a full-automatic chemiluminiscence immunity analyzer. The full-automatic chemiluminiscence immunity analyzer comprises an analyzer body, and is characterized in that the analyzer body comprises a rotating plate module, a reagent sample filling module, a cleaning module, an optical detection module and a substrate injection module, wherein the rotating plate module comprises a rotating plate body capable of rotating, an incubation unit and a blending mechanism; a reagent bottle, a sample cup, a dilution cup and a reaction cup are placed on the rotating plate body; the rotating plate body is divided into a reagent region, a sample region and a reaction region; the position of the incubation unit corresponds to that of the reaction region, so that the incubation unit can heat the reaction cup; and the position of the blending mechanism also corresponds to that of the reaction region, so that reaction reagents can be blended in the reaction cup after being added. The full-automatic chemiluminiscence immunity analyzer further comprises a control system, and the control system receives commands transmitted from an upper computer, and coordinates the rotating plate body, the reagent sample filling module, the cleaning module, the optical detection module and the substrate injection module to work according to a set technological process.

A holding unit pivotally holds a plurality of reagent bottles which store reagents. A reagent case houses the holding unit and has an edge higher than at least the housed holding unit. The reagent cover is a cover for closing the reagent case. A cooling unit is mounted on one outer surface of the reagent case and cools air in the reagent case closed by the reagent cover through one outer surface. A circulating unit is mounted on the holding portion and circulates the cooled air in the reagent case closed by the reagent cover.

The invention discloses a polyacrylate solid polymer electrolyte and a preparation method thereof. The polyacrylate solid polymer electrolyte is characterized by comprising an acrylate, a lithium saltand an initiator. The preparation method is characterized by comprising the following steps: mixing the acrylate and the lithium salt into a 20 ml reagent bottle, stirring at room temperature for 30min to uniformly mix the acrylate and the lithium salt; adding the initiator to the mixed liquid of the acrylate and the lithium salt, stirring at room temperature for 5 min to uniformly mix the mixedliquid and the initiator; uniformly pouring the obtained mixture onto a culture dish or a porous rigid support material; heating at 80DEG C for 20 min to initiate self-polymerizing or copolymerizingof the polyacrylate with a crosslinking agent by the initiator to obtain the polyacrylate solid polymer electrolyte. The method has the advantages that the preparation method is simple, film making time is shortened, and time cost is saved.

The invention relates to a method for separating mesenchymal stem cells from dispose tissues. The method comprises the following steps: putting dispose tissues to a biological bag for transportation or a sterilized reagent bottle; in aseptic conditions, removing red blood cells preliminarily; digesting dispose extract to obtain adipose-derived stem cells; removing red blood cells once again, and counting the adipose-derived stem cells; and carrying out activity detection to the adipose-derived stem cells, and cultivating the adipose-derived stem cells to obtain the mesenchymal stem cells. In the method, a large quantity of adipose-derived stem cells which are in good conditions and have good multi-difference capability can be obtained with a small quantity of dispose tissue. The method has the advantages of easiness and good reproducibility.

The invention discloses a low-detection lower limit total arsenic on-line analyzer, which comprises a cuvette, a measuring light source arranged on one side of the cuvette, and a photoelectric conversion module which is arranged on the other side of the cuvette and corresponds to the position of the measuring light source. The cuvette is connected with the inlet/outlet pipe of a multi-way valve by a pipe; other inlet/outlet pipes of the multi-way valve are respectively connected with a sulfuric acid reagent bottle, a distilled water bottle, a color developing agent bottle, a sample bottle, a screening agent reagent bottle, a thinning chamber, a waste liquor barrel and a dosing device by pipes; the dosing device is connected with a peristaltic pump through a pipe; and the multi-way valve is electrically connected with a control module which is electrically connected with the dosing device, the peristaltic pump and a man-machine interface. The invention further discloses a method for analyzing a water sample by using the low-detection lower limit total arsenic on-line analyzer . The invention has the advantages of precise dosing, capability of effectively reducing the measurement error, low cost, and capability of effectively reducing the detection lower limit of the total arsenic.

The invention provides a device and a method for detecting the remaining amount of a reagent. The method comprises the following steps of: charging and discharging a liquid-aspirating probe, and reading a voltage signal of the liquid-aspirating probe; judging whether the downward run-out amount of a current voltage signal value, compared with a base voltage value, is greater than a liquid level threshold value, if so, adding 1 to a first flag counter, otherwise, resetting the first flag counter; and judging whether a value of the first flag counter is greater than or equal to a first set value, and if so, outputting a contact liquid level indication signal. A method for scanning the remaining amount of the reagent comprises the following steps of: respectively adding 5-ml normal saline and 50-ml normal saline into reagent bottles; respectively measuring the heights of two reagent amounts by using the liquid-aspirating probe, and calculating the height of zero point of the bottom of the reagent bottle by using a mathematical method; and measuring the height of a liquid level to be measured in the reagent bottle to be measured by using the liquid-aspirating probe, and thus obtainingthe remaining amount of the liquid level. By the invention, detection accuracy is improved, and working reliability is improved.

The invention discloses an in-situ observation testing device for simulating a micro oil displacing interface. The in-situ observation testing device comprises a base, a runner test sample movement component, a runner test sample component, an oil displacing component, a microscope movement component, a microscope component and a control acquisition component, wherein the runner test sample movement component comprises a servo motor, a first roller screw rod and a first screw rod screw nut; the runner test sample component comprises a support platform, a temperature control device and a test sample group; the oil displacing component comprises a peristaltic pump, a displacement liquid reagent bottle, inlet pressure acquisition equipment, outlet pressure acquisition equipment, volume measuring equipment and a weighing balance; the microscope component comprises a microscope lens, a microscope support component and an image acquisition device; the control acquisition component is used for acquiring image data and for acquiring and analyzing pressure, volume and mass data, and for controlling the movement of the servo motor and the flow of the peristaltic pump. By adopting the in-situ observation testing device, the interaction of micro surfaces and interfaces among different displacement liquids, crude oil and runners in the crude oil exploration process can be simulated, and study on oil-displacement mechanisms can be promoted.

The invention discloses a quantitative detection instrument for the content of melamine in liquid milk, which comprises a laser device, a light-dividing device, a focusing mirror, a reagent bottle holder for fixing a reagent bottle, an optical fiber coupler, and a spectrum detection device, wherein the reagent bottle holder is provided with a light transmission hole; the laser emitted by the laser device orderly passes through the light-dividing device, the focusing mirror and the light transmission hole and then is focused in a liquid milk sample in the reagent bottle ;, an optical signal which is reflected backward illuminates the light-dividing device through the light transmission hole and the focusing mirror; and the optical signal reflected by the light-dividing device passes through the optical fiber coupler through a conductive light path and then enters the spectrum detection device for detection. The quantitative detection instrument has the advantages of simple and compact structure, convenient use, and low cost, reduces the requirement on light path alignment of detection instruments, does not need performing light path adjustment, has short detection time, also reduces the cost for using consumptive materials at the late stage, and can quickly and accurately detect the content of the melamine in the liquid milk.

A kit comprises body, colour developing plate, plastic cup, and suction tube, spoon, colour developing reagent bottle A containing nitrate and bottle B containing nitrite, nitrate and nitrite standard colour card. The detection method includes dropping 1-2 drops of sample solution into cavity of colour developing plate to mix with 20-30 mg of developer, placing it for one minute and confirming nitrate and nitrite content in the sample by comparing its colour to the card for judging whether the content is overproof or not.

A device reducing evaporation in a reagent bottle, in particular in an automatic appliance for analyzing samples, the device being in the form of a tube inserted into the bottle and including, in its top portion, an annular rim for bearing on the top end of the neck of the bottle, and means for centering in the neck of the bottle.

For installing reagent bottles in a reagent disk, the operator needs to install them while confirming the orientation of each reagent bottle. However, the operator will groan under a psychological burden in working while confirming the orientation. If the operator installs a reagent cassette in wrong orientation, the result of measurement will be erroneous, possibly leading to a grave testing error particularly in a blood analyzer. An automatic analyzer comprises a recording medium for recording information on placement of a plurality of types of reagents contained in a single reagent container, a reagent container disk capable of carrying a plurality of the reagent containers, an information reader for reading information recorded on the recording medium, and a reagent dispense controller for controlling which of reagents is dispensed by a reagent dispenser based on the information read by medium information reader.

The invention provides a Zika virus fluorescent PCR detecting kit, and relates to a kit for detecting Zika virus, in particular to simultaneous detection of Zika virus RNA by using a real-time fluorescent polymerase chain type reaction technology.The kit mainly comprises RT-PCR reaction liquid, primer probe mixed liquid, an RT-PCR reaction enzyme system, DEPC H2O and a packaging box for separating and packaging reagent bottles or tubes in a centralized manner.The kit adopts a Taqman probe detection mode and a one-step real-time fluorescent PCR reaction mode, can accurately and quickly detect the Zika virus RNA, and can be widely applied to various fields such as Zika virus disease clinic early diagnosis, disease prevention and scientific research.

The invention relates to a kit for performing gene detection on middle east respiratory syndrome coronaviruses, in particular to a kit for detecting middle east respiratory syndrome viruses UPE and N genes through multiple real-time fluorescent polymerase chain reaction technologies. The kit mainly comprises an RT-PCR solution, a primer probe mixed solution, an RT-PCR enzyme system, DEPC H2O and a packaging box for packaging reagent bottles or tubes in a separated and concentrated mode. Due to the fact that the mode that various fluorescent channels are used for detection respectively is adopted for the kit, a one-step method real-time fluorescent PCR mode is applied, the middle east respiratory syndrome coronaviruses UPE and the N genes can be accurately and fast detected, and the kit can be widely applied to various fields of cloinical early-stage diagnosis, epidemic situation prevention and control, scientific research and the like of a middle east respiratory syndrome.

The invention discloses an all-in-one heavy metal online analyzer which comprises a multi-ported valve, at least one reagent bottle, a pure water cylinder, a plunger pump, a mixing cylinder, a reactor and a waste liquid cylinder, wherein the at least one reagent bottle is respectively in pipe connection with each port of the multi-ported valve, the mixing cylinder is provided with a stirrer, one port of the multi-ported valve is communicated with air, the volume of a liquid carrying tube between the multi-ported valve and the plunger pump is greater than the volume of a single reagent with the maximum volume required in the analysis process, the mixing cylinder and the reactor are in pipe connection with the pure water cylinder and a water sample cylinder through a selection valve and a sampling pump and can be used for respectively pumping liquid to the mixing cylinder or the reactor from the pure water cylinder or the water sample cylinder, the mixing cylinder is in pipe connection with a quantitative/liquid discharging pump which can pump evenly-stirred mixed liquid to the reactor, and the quantitative/liquid discharging pump and the selection valve are also in pipe connection among the waste liquid cylinder, the mixing cylinder and the reactor so as to pump waste liquid in the mixing cylinder and the reactor into the waste liquid cylinder. The invention also discloses a method for analyzing heavy metals in a water sample by utilizing the all-in-one heavy metal online analyzer. The invention has the advantages of low cost, low detection limit (the detection limit can reach a ppt (part per trillion) level), no secondary pollution, small maintenance amount and low operation cost.

The invention relates to an analysis method for transformer oil. A measuring method for the furfural content of transformer oil comprises: a step of preparation of furfural standard oil, a step of preparation of a standard sample and a sample, and a step of sample analysis. The step of the preparation of the furfural standard oil comprises 1) preparation of a general solution: weighing 0.01g-0.03g standard material 2-furfural, placing in a brown volumetric flask, fully dissolving and diluting to the mark with new oil containing no furfural to obtain a furfural general solution with a certain concentration which is stored away from light for two days for use; 2) preparation of the standard solution: diluting one equal part of general solution with a certain amount of new oil containing no furfural to prepare a standard solution of a desired concentration, wherein the desired concentration includes 0.5 mg/kg, 1.0 mg/kg, 5.0 mg/kg and 10.0 mg/kg, and the standard solution is stored away from light and in brown reagent bottle. The method provided by the invention has the characteristics of low toxicity, and convenient operating, and can meet the production requirements.

The present invention discloses a reagent bottle vibrating conveying propulsion rinsing filling system, which comprises a correction device, a conveying device, a propulsion device, a cleaning device and a filling device, wherein the conveying device comprises a drive motor, a drive wheel and a conveying belt, the propulsion device comprises a position snapping structure, a pushing structure and a support structure, the cleaning device comprises a rotation component, a rinsing component, an auxiliary rail component and a power component, and the filling device comprises a composite double conveying component, a rotation disk component, and an injection filling component. According to the present invention, effective reagent bottle cleaning quality increase can be achieved, and the reagent bottle can be replaced and filled through the continuous extrusion and propulsion manner.

The invention provides a novel low-cross-pollution full-automatic biochemical analyzer which includes a reaction disk unit. The reaction disk unit includes a reaction disk, on which a group of detection cups are placed. A non-contacted non-uniform air pressure stirring unit is arranged on the reaction disk and includes an air pressure stirring needle tip and a power supply system, the air pressure stirring needle tip connected to the power supply system through a pipeline. The air pressure stirring unit includes, successively, an air inlet, an air filter, an air pump, an air storage tank, an air flow pressure regulating switch, an air supply pipe and finally the air pressure stirring needle tip. An air heating machine temperature control device is arranged on the lower end of the air storage tank. The analyzer also includes a non-cross-type reagent unit, which comprises a reagent needle moving apparatus, a reagent disk, and a reagent needle bracket. The reagent disk includes a group of reagent bottles. A plurality of reagent needle positions are arranged on the reagent needle bracket. The number of the reagent needle positions on the reagent needle bracket is equal to the number of the reagent bottles, wherein each reagent needle is used for sucking only one corresponding reagent.

A reagent cassette used in an automatic analyzer for a clinical examination room, which provides an analysis environment enabling an operator to select reagent bottles with proper capacities depending on the number of tests to be performed in each different type of facility and to properly set reagents with ease. In the automatic analyzer comprising a sample pipetting section, a reagent pipetting section, a reaction cuvette, etc., one component in a sample is analyzed by using the reagent cassette in which one or a plurality of reagent bottles containing two or more types of reagents are combined together. The reagent cassette is provided with a reagent identifier including information regarding the presence or absence of a reagent opening of the reagent bottle for each of a plurality of positions of the openings.

The invention discloses a reagent supply system for a DNA (deoxyribonucleic acid) sequencer. The reagent supply system comprises a preparing pipeline, a buffer pipeline, a main pipeline, a first multi-pass reversing valve, a second multi-pass reversing valve, a first peristaltic pump for extracting a sequencing reaction reagent and a second peristaltic pump for extracting buffer liquid, wherein the preparing pipeline, the buffer pipeline and the main pipeline are connected through a tee connector, inlets of the first multi-pass reversing valve are respectively communicated with reagent bottles; an outlet of the first multi-pass reversing valve is connected with the preparing pipeline through the first peristaltic pump; an outlet of the second peristaltic pump is connected with the buffer pipeline; an inlet of the second multi-pass reversing valve is connected with the main pipe, and outlets of the second multi-pass reversing valve are respectively communicated with a liquid inlet of areaction cabin and a waste liquor bucket. The invention also discloses a control method of the reagent supply system. According to the reagent supply system disclosed by the invention, the reagent and buffer liquid can be immediately and accurately supplied to a plurality of reaction cabins, so a plurality of reactions are carried out at the same time, a plurality of samples can be sequenced at the same time, and the sequencing efficiency of the DNA is greatly improved.

The invention provides a preparation method for synthesis of silica-coated inorganic perovskite quantum dots. The method comprises steps as follows: a certain quantity of quantum dot solutions (dissolved in n-hexane) are added to a three-neck flask, a trace of tetramethoxysilane is added, the mixture is put in a glove box and stirred at a certain temperature for 12-24 h, and silanized quantum dotsare obtained; the silanized quantum dots are put in an n-hexane solution reagent bottle, a certain amount of 3-aminopropyl trimethoxysilane is added, sealing is performed, the mixture is stirred at acertain temperature for 0.5-1 h, tetramethoxysilane is added, the mixture is stirred for 0.5-2 h, precipitates appear in a solution, a quantum dot solution is centrifugally separated, and the silica-coated inorganic perovskite quantum dots are obtained after cleaning. The method is simple to operate, low in reaction temperature, shorter in preparation time and high in repeatability. The preparedsilica-coated inorganic perovskite quantum dots have high light emitting efficiency, are more uniform in coating, have uniform particle sizes and are complete in coating.