161 results about "On cells" patented technology

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure provides methods for supporting emergency service in wireless network (1000) by UE (100). In an embodiment, when a current cell on which the UE (100) is camped. does not support the emergency service. the method includes executing for the current cell or a frequency of the current cell at least one of: barring the current cell or the frequency of the current cell and starting one of a cell barring timer for the barred current cell or a frequency barring timer for the barred frequency of the current cell. Further, the method includes deprioritizing the current cell or the frequency of the current cell with a lowest priority for performing cell selection or cell reselection. Further, the method includes allowing the UE to perform the cell selection or cell reselection on cells other than the current cell or the frequency of the current cell.

The present invention features the use of cavity acoustic transducers (CATs) to apply mechanical stimuli on cells. CATs utilize the generated acoustic microstreaming vortices to trap cells and apply tunable shear on them. The present invention may use such a portable, automated, and high throughput device for cell transfection.

The invention relates to the field of attack monitoring, and discloses a cellular-based network attack monitoring method and device, equipment and a storage medium. The method comprises the following steps: acquiring to-be-monitored flow data in real time; obtaining a to-be-monitored element spore sequence based on the to-be-monitored flow data; acquiring a feature vector corresponding to the to-be-monitored element spore sequence; inputting the feature vector into a preset reconstruction model to obtain a reconstruction feature vector corresponding to the to-be-monitored element spore sequence; the reconstruction model is obtained through unsupervised training; and determining whether an attack behavior exists according to the feature vector and the reconstructed feature vector. Therefore, the method does not need to depend on the comprehensiveness of attack samples, enables the reconstruction model to find unknown threats under the condition of no labeled data, provides reliable guarantee for industrial network security, and improves the monitoring effect of attack behaviors.

The invention relates to a method and system for detecting cells of a first cell type (1) in a biopsy sample in which a plurality of cells of different cell types (2, 3) are present. The invention further relates to a device for carrying out a magnetic field measurement on cells of a biopsy sample that are labeled with magnetic nanoparticles. The method comprises the following method steps: carrying out tissue dissociation of the biopsy sample in order to singulate the cells present in the biopsy sample; supplying magnetic nanoparticles (11) to the singulated cells in order to selectively label the cells of the first cell type (1); removing the excess magnetic nanoparticles (11); introducing the cells into a microchannel (5), the microchannel (5) having a cross section which allows only one labeled cell (1) to pass through at a time; carrying out a magnetic field measurement in the microchannel (5) by means of a quantum magnetic field sensor (6) based on the F-center principle; and sorting out the labeled cells (1) after they have passed through the microchannel (5).

The invention discloses a cfDNA detection standard substance and a preparation method thereof. The preparation method comprises the following steps: carrying out multiplication culture on cells; performing cell apoptosis treatment on the amplified cells; after cell apoptosis treatment is finished, incubating for a period of time, and collecting supernate; adding the supernate into plasma to prepare a plasma standard substance for cfDNA detection; or extracting cfDNA in the supernate, and preparing a DNA standard substance for cfDNA detection; according to the preparation method, the supernatant of a culture cell line is adopted as a source of a cfDNA detection standard substance, rapid death of cells is promoted through a method of nutrient depletion or cytotoxic reagent addition, the content of mononuclear bodies in the supernatant of the culture medium is increased, the concentration of cfDNA is further increased, and the preparation method is easy to operate, high in yield and low in cost.

The utility model discloses a screen assembling jig, which relates to the technical field of screen processing and comprises a workbench, a mobile phone middle frame placing seat is arranged on the workbench, a mobile phone middle frame placing groove is arranged on the mobile phone middle frame placing seat, and an opening of the mobile phone middle frame placing groove is upward. A screen guide plate is arranged on the workbench, the screen guide plate is movably arranged on the mobile phone middle frame placing seat in a covering mode, a screen guide groove corresponding to the mobile phone middle frame placing groove penetrates through the screen guide plate, and the screen guide groove is arranged in an up-down penetrating mode; a pressing assembly is arranged on the workbench, and the pressing end of the pressing assembly moves downwards to be pressed on the screen from the position above the screen guiding plate through the formed screen guiding groove, so that force is applied to the screen downwards; the pressing assembly on the screen assembling jig is used for pressing operation, other external tools are not needed for auxiliary pressing, and assembling is more convenient.

This application proposes a random access method, user equipment, and storage medium based on cell handover. The method includes: responding to receiving a handover command from a source cell, parsing PRACH configuration information about the target cell from the handover command; detecting a synchronization signal and completing cell synchronization based on the synchronization signal; responding to completing cell synchronization, i.e., sending a preamble sequence, specifically sending the preamble sequence for the first time in the current system frame and for the second time in the next system frame; setting an enlarged first RAR listening window based on the PRACH configuration information; and receiving a RAR from the target cell based on the first RAR listening window, and performing corresponding operations according to the random access type upon receiving the RAR. Based on this, this application eliminates the need to wait for successful decoding of the MIB, thus improving the latency of random access during cell handover and increasing access efficiency.

This invention provides a dry ice transport insulated box for cell products, belonging to the technical field of transport boxes. It includes a box body and lid secured by latches. Inside the box, partitions separate storage compartments for cryopreservation bags, cryopreservation tubes, and dry ice. The dry ice storage compartments are located around the cryopreservation bag and cryopreservation tube storage compartments. Two thermometers are fixed to the side of the box body, with their probes extending into the cryopreservation bag and cryopreservation tube storage compartments respectively, allowing real-time monitoring of the box's internal temperature. The cryopreservation bag storage compartment is used to store strip-shaped cryopreservation boxes containing cryopreservation bags, while the cryopreservation tube storage compartment is used to store square cryopreservation boxes containing cryopreservation tubes. This invention isolates the storage compartments for each cell, preventing collisions and impacts on cell quality stability during transport.

Disclosed are a method and an apparatus for semi-persistent scheduling (SPS) transmission or reception based on cell discontinuous transmission (DTX) and / or cell discontinuous reception (DRX) in a wireless communication system. A method according to one embodiment of the present disclosure may comprise the steps of: receiving, by a terminal, one or more first SPS downlink channels from a network during an active period of cell DTX; and receiving, by the terminal, one or more second SPS downlink channels from the network during a non-active period of the cell DTX. A value of one or more transmission parameters on which the one or more first SPS downlink channels are based and a value of the one or more transmission parameters on which the one or more second SPS downlink channels are based may be different.

The invention discloses a differential low-noise integrated biosensor array for cell culture detection and a preparation method thereof, and the differential low-noise integrated biosensor array integrates an ISHFET device, an REHFET device and an EXHFET device, so that extracellular action potential signals and local field potential signals can be detected during in-vitro cell culture; therefore, interference of factors such as tissue trauma and immune response on cell activity signal detection is avoided, and good reliability is realized; the ISHFET device and the REHFET device can form a differential sensing unit, so that the effect of reducing the detection error is realized; the EXHFET device not only can detect extracellular action potential signals, but also can independently detect local field potential signals, so that more diversified cell activity signals can be detected, and more data support is provided for in-vitro cell culture research. The method is widely applied to the technical field of semiconductors.

The present application relates to the technical field of biological medicine, and discloses a kind of living cell carrier and its preparation method and use.The method of the present application utilizes active ester compound containing alkynyl and reacts with living cells, and is connected to the surface of living cells, then combines with RAFT reaction chain transfer molecule, and then utilizes in-situ RAFT reaction to polymerize the polymerization monomer containing active group of required function on cell surface, so as to obtain the cell carrier with required function.

Ducting mitigation in an open radio access network (e.g., using a computerized tool), is enabled. For example, a system can comprise a processor and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising, based on cell configuration data representative of a cell configuration applicable to a cellular node and based on meteorological data representative of a meteorological measurement applicable to the cellular node, determining, using a ducting prediction model, whether the cellular node is threshold likely to experience ducting, and in response to determining that the cellular node is threshold likely to experience the ducting, determining, using a ducting mitigation model, a ducting mitigation action to be performed that has been determined to mitigate the ducting.

Waveguide effect mitigation in an open wireless access network (e.g., using computerized tools) is supported. For example, a system may include a processor and a memory storing executable instructions that, when executed by the processor, facilitate execution of operations including: determining whether or not a cell configuration is appropriate for a cellular node based on cell configuration data representative of a cell configuration appropriate for the cellular node and based on weather data representative of weather measurements appropriate for the cellular node; determining, using the waveguide effect prediction model, whether the cellular node is a threshold at which it is likely to experience a waveguide effect; and in response to determining that the cellular node is likely to experience the waveguide effect, determining, using a waveguide effect mitigation model, a waveguide effect mitigation action to be performed, the waveguide effect mitigation action to be performed having been determined to mitigate the waveguide effect.

Methods, systems, and devices for wireless communication are described that provide for cell selection or reselection at a user equipment (UE) based on cell selection preference criteria of the UE. The UE may receive a set of cell selection criteria that provides a priority order for cell selection based on one or more cell features, cell types, or combinations thereof. The UE, based on one or more signal measurements of available cells and the cell selection criteria, may select one of the available cells for communications. The UE may also maintain a feature cell database in which a number of cells and an associated feature mask may be stored and used to identify cells having features or types associated with the cell selection criteria for use in cell prioritization. Cell selection criteria may be used for cell selection / reselection procedures, mobility procedures, or any combinations thereof.

A method comprises at a user equipment, establishing, with a network element, a carrier aggregation connection comprising at least two non-contiguous intra-band component carriers in a band with fragmented carriers; receiving, from the network element, a configuration for the at least two component carries in the band with fragmented carriers, wherein when a primary cell resides on a first component carrier in the band with fragmented earners, the configuration comprises a first threshold associated with a condition determining whether to take action to prioritize the primary cell; determining whether the primary cell resides on a first component carrier in the band with fragmented carriers; in response to the determination that the primary cell resides on a first component carrier in the band with fragmented earners, determining whether the condition is satisfied based on the first threshold; in response to the determination that the condition is satisfied, determining a secondary cell on a second component carrier to be deactivated; and deactivating the determined secondary cell.

The present application relates to the technical field of photovoltaic detection, more particularly, the present application relates to a kind of silver aluminum paste lap joint area influence on the test method and device of PERC cell open voltage.Silver aluminum paste lap joint area influence on the test method of PERC cell open voltage, comprising: silver paste is printed in the PERC test silicon piece without laser grooving, after drying, silver paste is printed using the same pattern screen printing, then print aluminum paste, after drying again, the printed silicon piece is sintered, then the electrode after sintering is tested using resistance tester, and the resistance tester reading is recorded.The present application test method is simple, pattern is simple, the influence of silver paste aluminum paste lap joint area on cell open voltage can be accurately measured, the accuracy of evaluating back silver silver paste performance data can be guaranteed, and the test efficiency can be improved, the influence of printing factors and test factors is small, data accuracy is high, and the data obtained by testing is convenient to handle, intuitive.

The application discloses a multi-height position correction method and system based on cell electric impedance measurement, and the correction method comprises the following steps: 1) acquiring an electric impedance signal by adopting a double-difference seven-electrode structure, and performing Gaussian filtering processing on the real part of the electric impedance signal; 2) obtaining characteristic points generated under different heights according to a function of finding extreme values, wherein the characteristic points are extreme points; 3) judging whether the characteristic points are'saddle' type waves according to the number of the characteristic points, and calculating a correction factor; and 4) after judging whether the characteristic points are'saddle' type waves, obtaining the correction factor of the waveform under different heights, and performing scaling on the waveform data under different heights according to a standard factor and the correction factor corresponding to the height, so as to obtain a corrected full-wave image. On the basis of the seven-electrode double-difference, the full-wave correction is performed, so that the seven-electrode double-difference is not only limited to low flow channels, but also can be applied to high flow channels, and the flux is improved.

The invention relates to the technical field of cell differentiation, in particular to an ovarian granular cell exosome preparation method and system based on cell directional differentiation, and the method comprises the following steps: reprogramming starting material cells to obtain initial induced pluripotent stem cells, carrying out cell identification to obtain induced pluripotent stem cells, and carrying out directional differentiation on the induced pluripotent stem cells to obtain the ovarian granular cell exosome. Obtaining an ovarian granular cell cluster, obtaining a culture supernatant, purifying the culture supernatant to obtain an initial exosome, carrying out quality detection on the initial exosome to obtain a detection result, if the detection result is that the detection does not reach the standard, obtaining an adjusted exosome, taking the adjusted exosome as the initial exosome, and taking the adjusted exosome as the initial exosome. And returning to the step of detecting the quality of the initial exosome until the detection result is that the detection reaches the standard, and confirming the initial exosome as the target exosome when the detection result is that the detection reaches the standard. The problem that the purity of the exosome is low in the preparation process of the ovarian granular cell exosome at present can be solved.

The utility model discloses a cell cloning loop culture dish, which relates to the technical field of cell culture and comprises cell culture plates with uniform specifications. The cell culture plate is characterized by comprising a bottom plate which is arranged on the bottom surface of the cell culture plate; a cell cloning ring is arranged in the cell culture plate; a top cover is arranged at the upper end of the cell culture plate; the bottom plate and the cell cloning ring are fixed through magnetic attraction and have color difference; the cell cloning ring is arranged in the culture groove of the cell culture plate; the cell cloning ring fixing device has the beneficial effects that the original cell cloning ring is more accurately and stably fixed on the cell culture plate, and meanwhile, pancreatin is not leaked to a non-target area to digest cells. It is guaranteed that all cells obtained after digestion and elution are from the same cell clone cluster, and the purpose of accurately selecting monoclonal cell colonies is achieved.

A communication method and related apparatus, the method in which a first communication apparatus determines a first signal, the first signal being obtained based on a first sequence and / or a second sequence; wherein the first sequence is determined based on cell information, the second sequence is determined based on one row of elements in N rows of elements contained in the first matrix, N sequences corresponding to the N rows of elements are orthogonal, and N is an integer greater than 1; the first communication device transmits the first signal. In other words, the first signal transmitted by the first communication device may be derived based on the first sequence and / or the second sequence. In this way, the first signal sent by the first communication device can obtain the gain brought by the first sequence and / or the second sequence so as to improve the signal transmission performance.

The invention discloses an SOH estimation method and system suitable for a super capacitor module, and the method comprises the steps: defining a single voltage use boundary, and determining the use upper and lower limits of the single voltage; setting a battery cell equalization starting condition, and when the voltage difference of any single voltage in the system exceeds a set value, triggering a BMS equalization function; determining an energy calculation voltage boundary based on a battery cell consistency requirement; introducing a dynamic voltage boundary range; an effective discharge energy interval is screened, and when the single voltage enters the dynamic voltage range for the first time, the BMS starts to record discharge energy; if it is detected that the current direction is reversed or the system stands before the voltage is reduced to the dynamic range, discarding the recorded discharge energy; and calculating the SOH of the system, calculating the discharge energy in the effective interval, and estimating the health state of the system. A foundation is laid for subsequent calculation by accurately defining a single voltage use boundary based on an actual working condition; and setting a battery cell equalization starting condition optimization energy calculation boundary, and eliminating an abnormal voltage influence caused by battery cell imbalance.

The invention relates to a chip for cell sorting by laser-induced forward transfer, relates to the technical field of cell sorting, and solves the technical problems that in the cell sorting process in the prior art, micro-explosion can strongly impact and damage cells and interfere with research and analysis on cells obtained through sorting. The chip comprises a substrate, a sacrificial layer, an explosion cavity membrane, an isolation layer membrane and a cell cavity membrane which are sequentially arranged from bottom to top. When the chip for cell sorting through laser-induced forward transfer is used for LIFT target cell sorting, impact damage to target cells in the LIFT process can be effectively buffered and reduced, and the activity of the target cells obtained through sorting is improved.

The embodiment of the invention discloses a measurement method and device and a computer readable storage medium, and relates to the technical field of communication. The measurement method comprises the following steps of: performing radio resource management (RRM) measurement on a serving cell based on a first RRM measurement mode; based on the RRM measurement result, at least one of: determining whether to transition the first RRM measurement mode; determining whether the serving cell satisfies a cell selection condition; wherein the first RRM measurement mode is performed by at least one of a primary receiver MR and a low power wakeup receiver LR. According to the embodiment of the invention, the RRM measurement is carried out on the serving cell by adopting the RRM measurement mode executed by at least one of the main receiver MR and the low-power-consumption wake-up receiver LR, and whether the RRM measurement mode is switched or not is determined based on the RRM measurement result, and / or whether the serving cell meets the cell selection condition is determined, so that the power saving effect of the terminal can be maximized, and the user experience is improved. And the influence on cell selection and reselection is reduced.

The invention discloses a method for efficiently and directionally inducing IPS to be differentiated into pancreatic beta cells. According to the method, through staged signal regulation and strict cell screening, the directionality and the overall efficiency of differentiation are remarkably improved. The whole process pays attention to cell quality control from the initial stage, and a stable foundation is laid for subsequent differentiation by screening iPS cells with uniform morphology and high expression of pluripotent markers. Progressive signal molecule regulation is adopted in each stage, and an accurate differentiation path is formed from Activin A gradient adjustment during endoderm induction, synergistic effect of FGF10 and retinoic acid in pancreatic precursor cell differentiation and Wnt signal inhibition during endocrine precursor cell induction, so that the non-specific differentiation tendency is effectively reduced. Meanwhile, cell enrichment steps of key nodes, such as SOX17 positive cell screening in an endoderm stage and Ngn3 magnetic bead sorting of endocrine precursor cells, further improve the purity of a target cell population and avoid interference of parenchyma cells on subsequent function maturation.

The invention provides a cell chiral growth regulation and control method, and relates to the technical field of cell chiral culture. The regulation and control method provided by the invention comprises the following steps: carrying out full-exposure pre-shaping on a photo-crosslinking substrate, then inoculating cells to be subjected to chiral culture, carrying out adherent culture, then carrying out patterning exposure and continuous culture, and differentiating to obtain a cell chiral array; the photo-crosslinking substrate is provided with photo-crosslinking gel and a matched photoinitiator. In-situ regulation and control on cell chirality can be realized on the basis of the cell chirality growth direction through a double-exposure method, so that cell chirality arrays with different chirality orientations can be obtained after differentiation, and the structure and function of the heart and basic unit myocardial cells thereof can be known and simulated; the method is of great significance to cardiovascular disease research and drug screening.

Provided is a method for designing organ-on-chips (OoCs) based on similarity principle, including determining a scaling ratio to obtain geometric dimensions of cell culture region of OoC; selecting dimensionless number as parameter calculation basis of the OoC, and calculating a range of corresponding in-vivo dimensionless number; acquiring flow rate range of fluid and size range of channels in OoC based on shear stress on cells in organ and calculated range of the dimensionless number; calculating characteristic lengths of channels according to the scaling ratio and determining corresponding flow rate; determining outer wall thickness of OoC based on oxygen permeability of material used for the OoC; performing simulation to verify whether all parameter indicators of OoC meet design requirements, and making mold sets according to outputted size design parameters for preparing the OoC; and, performing PDMS casting, curing, demolding, and bonding by using the mold sets to obtain the finished OoC.

The utility model discloses a cell sorter roll-over stand which comprises a fixed frame, the fixed frame is fixedly or detachably installed on an operation base station, a cell sorter supporting frame and a material receiving groove are arranged on the fixed frame, the fixed frame is of a semi-surrounding structure, and the material receiving groove is arranged on the fixed frame. The cell sorter supporting frame is arranged on the fixing frame and connected with the fixing frame in a hinged mode, the material receiving groove is connected with the fixing frame in a hinged mode, a cell sorter is arranged on the cell sorter supporting frame, and a test tube fixing opening used for installing a test tube is formed in the material receiving groove. The cell sorting device has the advantages that the structure is simple, the operation time of experimenters is saved, the overall working efficiency is improved, and in the use state, the poured liquid is poured into the test tubes to be directly collected, so that the operation is more efficient and convenient.

The application belongs to the field of stem cell biology and relates to a culture method of a 3D nerve immune organoid containing microglia cells, which comprises the following steps: S1, inducing induced pluripotent stem cells in ectoderm direction and mesoderm direction respectively to obtain nerve-like embryoid bodies and yolk sac-like embryoid bodies; S2, culturing the nerve-like embryoid bodies to make them differentiate into nerves to obtain nerve ring structures, re-digesting the nerve ring structures to obtain nerve progenitor cell single cells, and culturing the yolk sac-like embryoid bodies to make them generate macrophage progenitor cells; and S3, fusing the nerve progenitor cell single cells and the macrophage progenitor cells and continuing to culture to form the 3D nerve immune organoid containing microglia cells. The brain-like organoid of the application can realize the following functions: exploring the control of microglia cells on the proportion of progenitor cells in the development stage, the change of phagocytosis, the control on the number of mature neurons, the influence on cell proliferation and apoptosis, and simultaneously accepting external stimulation and making corresponding functional stress changes.

A method and system for performing operations on cells in an instrument wherein the performance of operations on cell samples is controlled and data relating to the operations is generated, a unique identifier is associated with the instrument, the generated data is encrypted with a key corresponding to the unique identifier and a hash of one of the generated data and the encrypted generated data is created to enable verification of the integrity thereof. The hash is stored for later verification of data.