20 results about "Liquid cell" patented technology

The invention discloses a liquid cell product, a preparation method thereof and a preserving fluid for preparing the liquid cell product, and belongs to the technical field of immunodetection. The dendritic polymer is creatively added into the preserving fluid for preparing the liquid cell product, the cell morphology in the liquid cell product can be improved, and a thermal acceleration test proves that the preserving fluid can maintain the cell morphology in the liquid cell product for a long time. When the preservation solution is used for preparing the liquid cell quality control product for immunodetection, quality control spots with complete circles can be formed after sample application on slides made of different materials, it can be obviously judged that cells in the liquid cell quality control product are dispersed very uniformly after immunohistochemical staining, and the preservation solution has very high application value.

Disclosed herein is a cell culture device (1) for culturing cells and / or organoids, the cell culture device comprising a cell containment unit (2) comprising at least one cell culture chamber (3) configured to contain a liquid cell culture medium (9) and a cell structure, wherein the cell culture chamber (3) comprises: a gas vent opening (4) configured to vent the cell culture chamber; a pressure chamber (5) comprising a pressure chamber inlet (6); a channel (7) connecting the at least one cell culture chamber (3) and the pressure chamber (5); the cell culture device further comprising a first pressure generator (8), in particular a pump, connected to the pressure chamber inlet and configured to temporarily pressurize the pressure chamber with a pressure pulse; wherein the at least one cell culture chamber (3), the pressure chamber (5) and the channel (7) are configured such that the pressure pulse from the first pressure generator (8) propagates from the pressure chamber (5) through the channel (7) to the at least one cell culture chamber (3) and in particular into the liquid cell culture medium (9).

1. The name of the design product: graphite bipolar plate assembly (reinforced type). 2. The use of the design product: for liquid battery, providing the reaction surface required for battery reaction. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: assembly state reference drawing. 5. Other components that need to be explained: component 1 is a graphite bipolar plate, component 2 is a detachable segment glue channel, component 3 is a metal sheet, when assembled, the metal sheet is embedded in the glue channel of component 1, then component 2 is installed in the reserved position of component 1, and fixed with waterproof glue.

Provided herein are, inter alia, methods for preparing a liquid cell culture media that has lesser lot-to-lot analytical variation, increased performance, and has lesser metal ion concentrations compared to a liquid media prepared by traditional methods. Such liquid media may be used for culturing cells, including but not limited to, recombinant cells.

This invention discloses an oxygen-free circulating liquid cell for high-resolution X-ray diffraction (XRD) using a horizontal goniometer and a method for in-situ detection and characterization of structural evolution during electrocatalysis. It aims to address the limitations of existing technologies, such as the inability to vertically install the in-situ cell, insufficient oxygen control, and limited characterization dimensions, thus hindering the accurate tracking of the microstructure evolution of functional thin films during oxygen-sensitive electrochemical processes. The liquid cell includes a vertically mounted adapter structure, a sealing screw with an integrated elastic conductive component and a liquid-electric isolation component, and an X-ray window using a 10-100 μm Kapton membrane, with a conductivity detection interface. The method includes cell assembly and leak detection, electrolyte inert gas deoxygenation circulation, XRD optical path calibration, and simultaneous application of an external electric field to acquire electrochemical, XRD, and conductivity data. This invention achieves angstrom-level structural monitoring, complete oxygen isolation, multi-dimensional characterization, and compatibility with thin film / bulk / powder samples deposited on substrates, filling a technological gap and contributing to device development in the energy and electronics fields.

To quickly discharge liquid accumulated on a seal member.SOLUTION: The battery pack 10 is disposed between the pair of side members 32,32. The seal strip 20 is bridged between the side member 32 and the battery pack 10. Further, the seal strip 20 extends in an inclined manner along the vehicle front-rear direction in the vehicle side view.SELECTED DRAWING: Figure 1

The utility model discloses a liquid-electric detection device for a storage battery of a motor train unit. The liquid-electric detection device comprises a test head, a sensor and a control box, the sensor is nested in the testing head, and the testing head is connected with the control box through a cable. The utility model provides a miniaturized and digitalized device for simultaneously detecting the height and the voltage of residual electrolyte in a liquid battery of a single motor train unit, the distance between a liquid level surface and a reference surface is detected through an ultrasonic sensor nested in a testing head, and the distance is converted into the actual liquid level height through certain calculation; meanwhile, the voltage value can be accurately measured through the probes on the two sides, the structure is simple, measurement is accurate and reliable, and operation is convenient.

The invention concerns a method for controlling pressure and dissolved gas concentration and / or pH of a volume of liquid cell culture medium (VL) contained in at least one closed chamber (1) which comprises a cultured biological entity (3) which is composed of at least one cell The method comprises a step of determining a local pressure of the volume of liquid cell culture medium (VL) applied to said cultured biological entity (3) based on measurements of an internal pressure inside said at least closed chamber (1), a dissolved gas(es) concentration and / or pH of said volume of liquid cell culture medium (VL), and adjusting, by a controller (4), the flow rate of the moving fluid (2) within said volume of liquid cell culture medium (VL) resulting from the injection and / or the extraction to control said local pressure regarding said measurements.

The invention discloses an ozone gas-liquid cell contamination method based on a Transwell chamber, and belongs to the technical field of in-vitro gas contamination. The invention provides an O3 gas-liquid exposure mode based on a Transwell chamber by improving the contamination mode, and achieves the effects of simplifying the experimental method, reducing the experimental cost and improving the contamination efficiency. The gas-liquid exposed interface is constructed by utilizing the Transwell chamber, and cell inoculation, culture and sampling methods are simple and convenient; the Transwell chamber and the cell culture box with the O3 generation and real-time concentration monitoring functions are simple in principle, easy to understand and easy to obtain, and the O3 concentration can be monitored in real time; the experimental device is small in occupied space, low in building cost, good in operability and high in practicability.

The application relates to the technical field of energy storage collaborative control, in particular to an energy management method and system for energy storage equipment based on cloud collaboration. The method comprises the following steps: acquiring multi-source operation data flow and cloud weather forecast information, analyzing a future period photovoltaic power fluctuation curve and liquid battery energy storage heat load estimation information based on the multi-source operation data flow and in combination with the cloud weather forecast information to obtain a photovoltaic-heat coupling situation set, analyzing heat variation characteristics of a liquid battery storage tank caused by a heat generation process of a liquid flow battery stack under the photovoltaic power fluctuation curve based on the photovoltaic-heat coupling situation set to obtain a time-segmented heat inertia information set, generating a buffer zone blending control instruction set suitable for instantaneous power fluctuation, dynamically planning a blending ratio time sequence of a cold buffer zone and a hot buffer zone, and outputting an energy storage equipment energy management log. The method effectively improves the operation safety of the liquid flow battery energy storage when coping with high-fluctuation photovoltaic access.

This invention relates to the field of liquid chamber (LC) electron microscopy, specifically to an in-situ LC electron microscopy characterization and screening method for abrasive particles in integrated circuit CMP polishing slurries. Addressing the problems of high viscosity, high hardness of abrasive particles and clusters, complex systems, and easy breakage of LC windows in CMP polishing slurries, this invention improves the stability of LC packaging and observation through pretreatment, liquid injection volume control, vacuum stabilization, and window thickness optimization. This method performs in-situ characterization of CMP polishing slurry abrasive particles in a real liquid phase environment, obtaining information on abrasive particle size, morphology, agglomeration and dispersion state, dynamic behavior, and composition. It also establishes the correlation between abrasive particle liquid phase structure parameters and CMP polishing performance, enabling performance prediction and screening of polishing slurries. Characterization results of two CMP polishing slurries from different sources but with identical nominal parameters show significant differences in the true morphology, size distribution, and agglomeration state of the abrasive particles in the liquid phase. This demonstrates that the method of this invention can reveal the true liquid phase state that traditional dry-state characterization and average statistical characterization cannot reflect, providing a basis for polishing slurry performance evaluation, defect risk analysis, and screening.

This invention discloses a microfluidic chip for nucleic acid detection. The microfluidic chip for nucleic acid detection includes: a chip body, a liquid release mechanism, a quantitative cell, a waste liquid cell, and a positioning support post; the chip body and the liquid release mechanism are detachably connected; the positioning support post is located on one side of the bottom of the chip body. It also includes: a liquid inlet channel, which is formed on the chip body and connects to the liquid release mechanism. Multiple quantitative cells and waste liquid cells are provided, formed on the chip body, and connected to the liquid release mechanism via the quantitative and waste liquid channels, respectively. It also includes: a buffer channel, one end of which connects to the quantitative channel, and the other end connects to the quantitative cell, with the cross-sectional area of ​​the buffer channel being smaller than that of the quantitative channel. During heating, the liquid in the buffer channel rapidly vaporizes to form an air column, blocking upstream liquid and preventing dilution of the reagent in the quantitative cell, thereby improving detection accuracy.

The invention discloses a method for detecting the crystal form content of albendazole. According to the method, an infrared paste method is adopted, an albendazole sample to be detected, an albendazole crystal form I reference substance and an albendazole crystal form II reference substance are uniformly mixed into paste in an agate mortar by using liquid paraffin, the sample paste is filled into a liquid pool, the liquid paraffin is used for preparing a blank, an infrared spectrometer is used for collecting an instrument background, and the liquid paraffin is used for detecting the albendazole crystal form I reference substance and the albendazole crystal form II reference substance. And then carrying out absorbance collection on the sample and the reference substance. The method has the advantages of simplicity and convenience in operation, high analysis speed, high sensitivity, good repeatability, accurate and reliable data and the like.

The utility model relates to biological experiment equipment technical field, concretely relates to a cell culture plate, the cell culture plate includes: culture plate main part, culture hole, set up in the upper surface of culture plate main part, is enclosed by bottom wall and side wall, side wall sets up in the side of culture hole, and is connected with culture plate main part, bottom wall is connected in the below of side wall, and bottom wall is the taper type of wide on the top narrow, mounting groove sets up in the inside of side wall, limit along, through mounting groove, makes detachable connection between limit along with side wall. The utility model discloses through setting limit along, increase the limiting resistance of cell liquid in culture hole in the process of oscillation or shaking, limit the fluctuation amplitude of cell liquid in culture hole in the process of oscillation or shaking, under the condition of guaranteeing the cell liquid cell concentration uniformity, avoid cell liquid to splash out culture hole, effectively guarantee the accuracy of tumor cell proliferation inhibition experiment.

The invention relates to the technical field of liquid battery electrolyte, in particular to a liquid battery electrolyte multi-performance collaborative optimization system which comprises a parameter acquisition module, a constraint condition presetting module, a data driving model building module, a multi-objective optimization engine and a result output and verification module. The system constructs a data driving model based on an attention mechanism neural network by acquiring historical data of an electrolyte formula and process parameters, and maps a relationship between the parameters and comprehensive performance scores; performing multi-objective optimization by adopting a hybrid strategy combining simulated annealing and Bayesian optimization, and outputting a Pareto optimal solution set; and a data closed-loop updating model is verified through experiments, so that continuous optimization is realized. According to the method, the problems of multi-parameter coupling, multi-target conflict and low optimization efficiency of the electrolyte are solved, and the research and development efficiency and the comprehensive performance of the electrolyte are remarkably improved.

The embodiment of the utility model provides a battery lithium extraction preprocessing device and battery lithium extraction production equipment. The battery lithium extraction pre-processing device comprises a heating assembly and a mixing assembly. The heating assembly comprises a heating bin and a heating piece; the heating bin comprises a heating cavity, and a feeding port and a conveying port which are communicated with the heating cavity; the heating piece is arranged in the heating bin to heat the battery electrode crushed materials. The mixing assembly comprises a mixing tank and a stirring piece; the mixing tank comprises a mixing cavity, and a material inlet and a liquid inlet which are communicated with the mixing cavity; the feeding hole is communicated with the conveying hole so as to receive the heated battery electrode crushed materials; the stirring part is arranged in the mixing cavity to stir the battery electrode crushed materials and liquid flowing in from the liquid inlet. The battery lithium extraction production equipment comprises the battery lithium extraction preprocessing device. The heating device has the advantages that the heating piece can heat the battery electrode crushed materials, so that the easiness degree that the battery electrode crushed materials are crushed subsequently is improved. And the stirring piece is used for stirring and crushing the crushed battery electrode materials and water entering the mixing cavity to form electrode slurry.

The application discloses a composite flexible micro-flow channel solid-state nanopore detection liquid pool device, which comprises upper liquid pool boxes, upper sealing films, a nanopore chip, lower sealing films, lower liquid pool boxes, a liquid delivery device and electrodes which are sequentially and sealingly connected; first and second intermediate through holes are arranged on the upper and lower sealing films respectively, and the nanopore chip is arranged between the first and second intermediate through holes; the inner surfaces of the upper and lower liquid pool boxes are respectively provided with upper and lower flow channels; the upper and lower flow channels are outwardly provided with upper and lower injection ports and upper and lower backflow ports; the liquid delivery device is connected with the upper and lower injection ports and the upper and lower backflow ports; and the electrodes are embedded at the upper and lower injection ports; the upper and lower liquid pool boxes and the upper and lower sealing films are bonded to form complete flow channels, and the through holes of the sealing films correspond to the flow channels and are connected with the flow channels, the application meets the requirements of portability and traceability and has better sealing performance, meanwhile, the liquid pool device can complete detection work with a small amount of detection liquid and does not cause waste of the detection liquid.