48 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).

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.

A bipolar plate for a battery includes a metal sheet that has a first side and a second, opposite side. The metal sheet is folded so as to form a series of loops on the second side. The loops are spaced apart to define flow field passages therebetween on the second side. Each of the loops is bonded along an edge at the first side so as to enclose an internal passage.

This invention belongs to the field of membrane-free battery technology, specifically relating to a membrane-free two-phase battery electrolyte and a membrane-free two-phase battery. The membrane-free two-phase battery of this invention uses a low-temperature stable organic solvent and water as solvents for the two-phase electrolytes, uses zinc ion salt as the negative electrode electrolyte, adds a certain proportion of antifreeze material, and uses an organic solvent containing alkane additives to complex halogen monomers as the positive electrode electrolyte. This invention avoids the high cost and short lifespan problems associated with using ion exchange membranes in liquid batteries, while ensuring that the battery electrolyte remains liquid at low temperatures. This significantly expands the temperature range of the liquid energy storage battery system, avoids the use of external heat sources in winter conditions, and prevents severe zinc corrosion at room temperature, further reducing the cost of the energy storage system.

A negative electrode mixture layer for a liquid battery having an electrolyte solution contains a negative electrode active material and polyvinylidene fluoride having a crystallinity of 43-93% (inclusive). The average thickness of the negative electrode composite material layer is 150 [mu] m or more.

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.

A bipolar plate for a battery includes a metal sheet that has a first side and a second, opposite side. The metal sheet is folded so as to form a series of loops on the second side. The loops are spaced apart to define flow field passages therebetween on the second side. Each of the loops is bonded along an edge at the first side so as to enclose an internal passage.

The utility model relates to the field of solution particle detection and analysis, and particularly provides a micro-flow imager, aiming at solving the problem that the length of the existing micro-flow imager in a certain direction is too long. In order to achieve the purpose, the microflow imager comprises a frame body; the light source is arranged on the frame body; the reflecting mirror is arranged in front of the light source in the propagation direction of light in the light source, a reflecting surface is arranged on the reflecting mirror, the reflecting surface and the propagation direction of the light in the light source form a certain angle and are not perpendicular to each other, and the reflecting surface is used for turning the path of the light; a sample flow channel in the liquid pool is used for containing detected liquid, and the sample flow channel is arranged between the light source and the reflecting mirror in the propagation direction of light in the light source 2; and the camera assembly is arranged on one side of the reflecting mirror and is used for receiving the light reflected by the reflecting surface. According to the utility model, the problem that the light path occupies too much space of a table top in a certain direction is solved by folding the light path.

The invention provides a device for separating an active material and a method for separating the active material, which can efficiently separate the active material from a battery member without causing excess stress generated by a jet flow of a liquid to act on the battery member. This active material separation device is provided with a container, a battery support unit, and a spray nozzle. A liquid is stored in the container. The battery support portion is disposed inside the container and supports the battery member. The ejection nozzle ejects a high-pressure liquid onto an active material separation surface of the battery member immersed in the liquid inside the container. A liquid ejecting portion of the ejecting nozzle that ejects the high-pressure liquid is disposed at a position immersed in the liquid inside the container.

Device containing or consisting of: a) a first reservoir suitable for receiving a liquid cell culture medium and having at least one first opening, wherein a first flow barrier is arranged in the at least one first opening of the first reservoir; b) a second reservoir which is suitable for receiving a liquid which contains or consists of at least one active ingredient and has at least one first opening, wherein a second flow barrier is arranged in the at least one first opening of the second reservoir; wherein the first and second flow barriers are each suitable for reducing a flow of an aqueous liquid through the respective at least one first opening of the respective reservoir and for allowing a diffusion of water and dissolved components of an aqueous liquid through the respective at least one first opening of the respective reservoir; characterized in that the first flow barrier is a different flow barrier than the second flow barrier, and the first reservoir is connected to the second reservoir via a conditionally detachable or non-detachable connection.

Provided is a liquid cell for an electron microscope according to an embodiment of the inventive concept, including a lower window layer, an upper window layer above the lower window layer, and a separation film disposed between the upper window layer and the lower window layer so as to separate the upper window layer and the lower window layer from each other. An upper space may be defined by the upper window layer and the separation film, and a lower space may be defined by the lower window layer and the separation film. The upper window layer, the lower window layer, and the separation film may include the same material.

A cell culture system is provided comprising a cell culture vessel enclosing an interior configured to culture cells in a liquid cell culture medium and a culture medium conditioning system. The culture medium adjusting system comprises a culture medium adjusting container and an oxygenation tower, and the culture medium adjusting container is used for adjusting a liquid culture medium. The oxygenation tower includes a housing containing an interior space, an oxygen deficient medium inlet fluidly connected to the interior space, an excess gas vent fluidly connected to the interior space, and a lower opening fluidly connected to the interior space. The lower opening is disposed at a lower end of the oxygenation tower and in a fluid path between the interior space and the medium conditioning container. The oxygenation tower is designed to mix the oxygen deficient medium with a gas comprising oxygen in a countercurrent manner and thus achieve better dissolved oxygen saturation in the medium.

A three-dimensional cell growth medium is described. The cell growth medium may comprise hydrogel particles swollen with a liquid cell growth medium to form a granular gel yield stress material which undergoes a phase transformation from a solid phase to a liquid-like phase when an applied stress exceeds the yield stress. Cells may be placed in the three-dimensional cell growth medium according to any shape or geometry, and may remain in place within the three-dimensional cell growth medium.

The present invention discloses a liquid pool, equipment, preparation method, perovskite film and perovskite solar cell, which are applied to the production of perovskite film and creatively integrate printing technology, chemical deposition and two-step heating annealing process. The inorganic component film is prepared by printing process, and after drying, it is immersed in organic component solution for chemical deposition. The thickness of the inorganic component film is controlled by adjusting the concentration of inorganic component solution and printing parameters. The reaction speed of perovskite and the deposition thickness of organic component are controlled by adjusting the concentration of organic component solution, immersion length and film running speed. The perovskite film is grown by heating annealing. The process system integrates four processes into one production line, and the four processes are operated synchronously, which greatly improves the production efficiency. The controllability of chemical deposition also improves the uniformity of perovskite film.

"Electricity Generation Device" Electricity generation device (1), referred to as device (1), comprising a cell (2), said cell comprising two compartments (31, 32), each compartment comprising an adsorption surface (41, 42) for a predetermined ion, and said two compartments are separated by a porous membrane (5) permeable to at least the predetermined ion. Each of the two compartments is intended to receive a liquid (L1, L2) having a different concentration of the predetermined ion. The cell comprises two terminals (61, 62) respectively connected to the adsorption surfaces of the two compartments and is capable of generating a potential difference Eocv between its two terminals in the presence of the respective liquids in the two compartments.The device (1) further includes a voltage generator (7), referred to as generator (7), comprising two terminals (71, 72) of which one terminal (71) is connected to a terminal (62) of the cell, said generator being arranged to deliver a potential difference E0 between its two terminals; the other terminal (72) of the generator constitutes a terminal (82) of the device and the other terminal (81) of the device is constituted by the other terminal (61) of the cell. Figure for the abbreviation: Figure 1.

A detection chip, a method for using a detection chip and a detection apparatus are provided the detection chip includes a chip substrate and the chip substrate includes a fluid channel and a plurality of liquid cells. The fluid channel is arranged on a surface if the chip substrate and includes a main path and a plurality of branch paths. The plurality of branch paths are respectively communicated to the plurality of liquid cells, the plurality of branch paths are all communicated to the main path, and communication points between the plurality of branch paths and the main path are different. The plurality of branch paths are configured to allow liquid in the plurality of branch paths to be capable of merging into the main path in a same direction.

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 invention relates to pumping liquids (18) in a vacuum system at a negative pressure, in particular at an absolute pressure of below 600 mbar. For this purpose, a manipulator head (10′) is provided for use in a vacuum housing at a negative pressure. The manipulator head (10′) contains a liquid cell (12) and a liquid pump (14). The liquid cell (12) has a liquid cell outlet (22) and an interior space (16) that is designed for negative pressure and designed to receive a liquid (18). The liquid pump (14) has a liquid pumping region (26) which is fluidically connected to the fluid cell outlet (22) and is designed to pump the liquid (18) out of the liquid pumping region (26) when there is negative pressure in the interior space (16) of the liquid cell (12). A distance (d′) between the liquid cell outlet (22) of the liquid cell (12) and the liquid pumping region (26) of the liquid pump (14) is selected such that at an absolute pressure of below 600 mbar in the interior space (16) of the liquid cell (12), the liquid (18) extends at least as far as the liquid pumping region (26) of the liquid pump (14), so that the latter can pump the liquid (18). This makes it possible to construct a compact vacuum system that can circulate liquid (18) at an absolute pressure of below 600 mbar and in particular can also be drained.

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 a coating antibacterial adhesion detection device and detection method based on a micrometer hole sensor, the coating antibacterial adhesion detection device comprises a pool body, a to-be-detected film, a first electrode, a second electrode and a power supply, the to-be-detected film is vertically arranged on the cross section of the pool body, and the pool body is divided into a first liquid pool and a second liquid pool; the first liquid pool and the second liquid pool are respectively used for containing buffer solutions containing bacteria; the first electrode and the second electrode are respectively inserted into the first liquid pool and the second liquid pool and are respectively connected with positive and negative electrodes of a power supply; array micron holes are distributed in the to-be-detected film, and zwitterionic polymer brush coatings are attached to the inner walls of the micron holes. The current change is recorded by adopting an electrochemical measurement method (resistance pulse detection), when bacteria pass through holes, a hole passing signal is generated, and the current generated by micron holes modified with coatings and the current generated by micron holes unmodified with coatings are different, so that the cell adhesion condition can be represented.

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.

An active material separation device includes a container, a battery support part, and an injection nozzle. A liquid is stored in the container. The battery support part supports a battery member disposed in the container. The injection nozzle injects a high pressure liquid with respect to an active material separation surface of the battery member immersed in a liquid in the container. The injection nozzle is disposed at a position where a liquid injection part configured to inject a high pressure liquid is immersed in the liquid in the container.

The invention relates to the technical field of environment monitoring, in particular to a trace sulfamethoxazole detection device based on flow potential and a use method of the trace sulfamethoxazole detection device. The device comprises an air pump, a sample introduction pool, a micro-channel clamping unit, a waste liquid pool, a voltage detection unit, a central control unit and a display. A molecularly imprinted polymer micro-channel array is arranged in the micro-channel clamping unit, a first electrode and a second electrode are arranged at the two ends of the micro-channel clamping unit respectively, and the flowing potential is measured through the voltage detection unit. The central control unit controls the on-off of the air pump and the voltage detection unit, the working solution is controlled to flow through the micro-channel array to generate flowing potential at the two ends of the channel, the SMX concentration in the sample to be detected is analyzed according to the measured voltage, and the result is displayed on the display. The method realizes high-sensitivity detection of SMX through a flowing potential principle, has the advantages of simplicity in operation, rapidness in detection and high sensitivity, and is suitable for rapid detection of trace SMX in an environmental water sample.