18 results about "Biological cell" patented technology

The application relates to the field of sewage treatment, and discloses a sulfur autotrophic denitrification biofilter composite filler and a preparation method thereof. The method comprises the following steps: carrying out a silane hydrolysis reaction on a silane coupling agent containing a mercaptan group to prepare a hydrolysis solution, and then adding hydroxylated polystyrene microspheres into the hydrolysis solution to carry out a grafting reaction and prepare the sulfur autotrophic denitrification biofilter composite filler. The method grafts mercaptan groups to the surface of the polystyrene microspheres by using the silane coupling agent containing the mercaptan group. The mercaptan groups can specifically combine with sulfur transport proteins on the cell membrane of sulfur autotrophic denitrification microorganisms, so that the sulfur autotrophic denitrification microorganisms can selectively colonize on the surface of the polystyrene microspheres, competition between other microorganisms and the sulfur autotrophic microorganisms can be avoided, the colonization stability of the sulfur autotrophic microorganisms is improved, and the biofilm formation efficiency is improved.

A self-organizing swarm robot system and control method based on cellular soft and hard mechanisms are disclosed. The system includes several individual robots. Each robot includes an upper shell, a middle support, a lower support chassis, electrically driven legs, a magnetically connected actuator, a PCB control board, and light-emitting elements. The PCB control board is equipped with an ESP-NOW wireless communication module, a light sensor, and a multi-pose sensor. The magnetically connected actuator includes static and dynamic actuators alternately distributed along the circumference. This invention can simulate the adhesion force regulation and morphological expansion and contraction mechanism between biological cells, achieving dynamic control between swarm robots under mechanical action. It exhibits high flexibility and fast response speed, enabling multi-degree-of-freedom movement and posture adjustment in complex environments. By using ESP-NOW wireless communication technology in conjunction with light sensors and multi-pose sensors to construct a high-precision distributed sensing and control system, it supports the self-organization, collaboration, and task execution capabilities of swarm robots in weak information environments.

The application discloses a kind of biological cell culture with shaking table device, belong to the technical field of shaking table, including equipment base, shaking plate, drive structure, clamp and image acquisition module, image acquisition module includes the camera source that can be moved to any one clamp directly above by power drive;Clamp includes: substrate is fixedly installed on shaking plate;Stage moves up and down relative to the substrate;Several guide grooves are provided on the stage;Limiting piece is at least configured with three groups and is distributed around the center of the stage, each limiting piece moves between first position and second position relative to the substrate;Several limiting pieces are at least partially located in several guide grooves respectively;When stage moves downward, each limiting piece moves relative to corresponding guide groove, limiting piece moves from first position to second position, and the inner circle space formed by several limiting pieces around gradually reduces, to adapt to different specifications of culture dish in this way.

The utility model relates to ship device technical field, specifically disclose a marine special marine organism overall killing subassembly, include: centrifugal pump, still include: first filter assembly, first filter assembly sets up one side at centrifugal pump, and first filter assembly is used for filtering seawater, connecting pipe three, the input of connecting pipe three is fixedly connected with the output of centrifugal pump, the output of connecting pipe three is fixedly connected with shell no.

The utility model provides a kind of biological cell separation device, it is related to biological cell separation technical field, including separation seat, the separation seat side top edge is fixedly installed with several connection rings of the annular array distribution around separation seat center, any the coaxial distribution and fixed mounting in the base of the connection ring below separation seat side middle position is provided with, and any the circular ring and rotating seat are arranged in the position above and below of the connection ring, by being provided with several roller frame in circular ring and rotating seat, the clamping force even distribution is realized in the tube orifice and tube bottom of test tube using several roller frame resistance test tube surface, avoid test tube swing in the process of rotation, and using rotating seat rotation drives the revolution of several roller frame inside to further realize test tube rotation, the tire of roller frame in circular ring can rotate independently, when test tube rotation, the tire of roller frame in circular ring rotates under the action of friction force, further stabilize test tube tube orifice.

The application discloses a plant cell morphology-based cell classification method and device and electronic equipment, and relates to the technical field of biological cell classification or other related technical fields, and the method comprises the following steps: segmenting a plant cell wall staining image obtained, obtaining a plurality of cell contour maps, extracting image features from each cell contour map, performing clustering processing on the image features, obtaining a cell type to which each cell belongs, and mapping the cell type to the cell contour map. The application solves the technical problem that a large amount of labeled data is required and a large amount of human resources is consumed when plant cells are classified in the related art.

This invention relates to the field of cell image analysis and biological cell screening technology, and discloses a method for screening liver stem cells. The method includes: acquiring original images; performing effective image screening; performing background correction, noise reduction and enhancement, and contrast compensation; performing single-cell instance segmentation; performing single-cell feature extraction and trajectory association; determining target cells using a neural network model; and outputting the liver stem cell determination result. Compared to existing screening methods that rely on manual observation or single-frame static image discrimination, especially in the case of primary hepatocyte suspensions containing mature hepatocytes, bile duct epithelial cells, stromal cells, and cell debris, this method addresses the technical problem of unstable and automated identification of liver stem cells. This application improves the accuracy and automation of liver stem cell screening by constructing a continuous processing flow of image quality gating, instance segmentation, and dual-branch feature fusion judgment.

The utility model belongs to the field of biological cell in-vitro culture technology, concretely relates to a kind of granulosa cell in-vitro culture device based on spermidine slow-release, including culture vessel, the bottom of culture vessel is provided with temperature control module, the inner wall of the bottom of culture vessel is provided with spermidine slow-release module, spermidine slow-release module includes porous slow-release material layer and spermidine, and spermidine is arranged in the inside of porous slow-release material layer;The culture device is through the synergistic effect of temperature control module and spermidine slow-release module, realizes the sustained stable release of spermidine and the monitoring control of granulosa cell culture environment, improves granulosa cell activity and functional expression, and has the advantages such as simple operation, low cost, strong compatibility, suitable for large-scale cell culture and drug screening.

The multiwavelength ultrasound system includes a first ultrasound device, a second ultrasound device, and a processor. The multiwavelength ultrasound system aggregates and visualizes biological cells. The first ultrasound device is configured to produce a first ultrasound wave having a frequency lower than around 300 kHz. The first ultrasound wave is also configured to aggregate the biological cells. The second ultrasound device is configured to produce a second ultrasound wave having a frequency greater than around 300 kHz. The second ultrasound wave is also configured to visualize the biological cells by determining a location and / or a position of the biological cells. The processor is configured to selectively actuate at least one of the first ultrasound device and the second ultrasound device. The processor is configured to detect at least one of a density and / or a concentration of the biological cells.

The present invention relates to a method and system for displaying images of living cells linked by magnification. By displaying a low-magnification full slide image, receiving a designation input for a specific area within the low-magnification full slide image, and displaying a high-magnification image corresponding to the designated area, the invention improves diagnostic efficiency by allowing a user to immediately view a high-magnification image of a cell of interest when designating the cell within the low-magnification image.

The invention provides a method of preparing a 89Zr-oxine complex of the formulaThe invention also provides a method of labeling a cell with the 89Zr-oxine complex and a method for detecting a biological cell in a subject comprising administering the 89Zr-oxine complex to the subject.

The utility model provides a biological cell dyeing device relates to cell dyeing technical field, including base, the base upper surface one side is provided with a plurality of layers horizontal placement's superposition board, the superposition board upper surface four corner all fixed mounting has the socket and superposition board lower surface is located in any socket just below position all fixed mounting has the plug -in post, through setting up superposition board, and through setting up first jack, second jack and third jack of different distribution size on superposition board, utilize the plugging of front fender insert piece and rear fender insert piece and first jack, second jack or third jack realizes the relative position adjustment, and it is convenient for placing different size's object glass on superposition board, and utilize the resistance of front fender insert piece and rear fender insert piece to object glass corner position can fix the position of object glass.

1. The name of the design product: centrifuge. 2. The use of the design product: medical equipment for separating blood, biological cells, tissues, bacteria, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The top view is omitted for the part of the design product that is not easy to see or cannot be seen when in use.

The utility model discloses a kind of sterilization equipment of sea mushroom planting substrate, including sterilization outer cavity, further including steam generator and sterilization mechanism, the sterilization mechanism is arranged in sterilization outer cavity;The sterilization mechanism includes sterilization inner cavity, and the connecting pipe is welded in sterilization inner cavity side end, and microwave generator is arranged in the connecting pipe;A kind of sterilization equipment of sea mushroom planting substrate is provided with breathable filter screen, sterilization inner cavity, lid, second circulation pipe, flow guide groove and steam generator, high-temperature water vapor is generated by steam generator, microorganism cell structure is destroyed using moist heat sterilization principle, then cooperate microwave generator in connecting pipe, threaded connection bottom pipe and threaded connection bottom pipe, utilize the high-frequency electromagnetic field of microwave, improve sterilization efficiency, reduce miscellaneous bacteria pollution risk, realize internal uniform heating, further kill residual microorganism, double sterilization process can shorten sterilization time, improve sterilization efficiency, reduce miscellaneous bacteria pollution risk.

This utility model relates to the field of biological cell collection technology and discloses a cell filter collection bag, including a collection bag body. The upper end of the collection bag body is provided with an inlet pipe and an air pipe, and the lower end of the collection bag body is connected to an outlet. The lower end of the outlet is connected to an outlet pipe through a connecting mechanism, and a filter screen is provided inside the outlet. The connecting mechanism includes a fixing seat, which is fixedly sleeved on the lower outer wall of the outlet. An installation plate is sleeved on the upper outer wall of the outlet pipe, and a plurality of connecting posts are symmetrically arranged on the top circumference of the installation plate. This utility model uses the movement of the driving block in the connecting mechanism within the adjustment groove to drive the fixing plate and the driving ring to rotate, causing the part of the fixing plate that is stuck in the slot to move out, releasing the restriction on the connecting posts, thereby quickly separating the outlet and the outlet pipe to replace the filter screen. At the same time, the control valve two closes the lower opening of the collection bag to avoid internal exposure during disassembly and damage to the sterile environment, reducing the risk of cell suspension contamination.

A plasmonic nanostructure includes a dielectric substrate, a periodic array of dielectric pillars on the dielectric substrate; and, on each dielectric pillar of the periodic array, a respective conductive layer. Each dielectric pillar of the periodic array of dielectric pillars is between the respective conductive layer and the dielectric substrate. A method for imaging a cell includes reflecting an optical beam off the plasmonic nanostructure. The plasmonic nanostructure has biological cells adhered thereto. The method also includes collecting the reflected optical beam with an optical detector.

This invention provides a biological three-dimensional detection system, method, and application based on terahertz-optical frequency sweep technology, belonging to the field of biological sample detection technology. The invention utilizes a waveguide rotation device to deflect terahertz sweep light waves before illuminating the biological sample. The reflected beat-frequency interference light signals are then sequentially photoelectrically converted, acquired, and processed to obtain terahertz spectral information between different layers along the thickness direction of the biological sample. This invention employs a combination of frequency shifting and mixing techniques to construct a novel frequency-shifted terahertz light source, achieving a narrow-linewidth swept terahertz wave with a linewidth in the MHz range and a frequency modulation range of 5 terahertz. By using this light source in conjunction with a beam angle adjustment platform, the spatial resolution of three-dimensional biological cell detection can be improved from the centimeter level to the micrometer level, significantly enhancing detection accuracy and achieving high-resolution distributed detection of the three-dimensional spatial structure of cells.

This invention discloses a modified tea saponin-based antifouling emulsion, its preparation method, and its application. The method includes: firstly, grafting C12-C22 long-chain unsaturated acyl chlorides, acid anhydrides, or isocyanates onto tea saponin molecules using a one-pot method to prepare unsaturated modified tea saponin monomers; then, semi-continuous emulsion copolymerizing these monomers with styrene, (meth)acrylate, and functional carboxylic acid monomers. This invention anchors the antifouling active sites of tea saponin to the polymer backbone via covalent bonds, combining the steric hindrance and repulsion forces generated by the long carbon chains in seawater with their lipid affinity and penetration effect on the cell membranes of attached organisms, achieving synergistic antifouling through physical anti-adhesion and biochemical inhibition. This invention overcomes the shortcomings of traditional physically additive antifouling agents, such as easy leaching and short-lasting antifouling effects. It does not release heavy metals and has the advantages of long-lasting effect, being environmentally friendly, and having a simple process, showing broad application prospects in the field of marine antifouling.