84 results about "Cell parts" patented technology

The invention provides a lipidosome-polymer drug-loaded nanoparticle and a preparation method and application thereof. The lipidosome-polymer drug-loaded nanoparticle comprises a three-layer structure, wherein the innermost layer is the drug-loaded nanoparticles formed by taking an amphiphilic cationic polymer as a carrier-coated chemotherapeutic drug; the intermediate layer is a platelet inhibitor layer adsorbed onto the surface of the drug-loaded nanoparticles; and the outermost layer is a lipid bilayer connected with tumor microenvironment responsiveness polypeptides. The lipidosome-polymer drug-loaded nanoparticle disclosed by the invention is capable of specifically targeting tumor tissues, has tumor microenvironment responsiveness, and can achieve the effects of improving tumor vascular permeability without influencing functions of blood vessels at normal tissue or cell parts, enhancing permeability and retention of the drug-loaded nanoparticles to tumor cells, enhancing the EPR effect, improving enrichment of the drug-loaded nanoparticles at tumor location and realizing high tumor killing efficiency.

A biological fluid collection device that is adapted to receive a blood sample having a cellular portion and a plasma portion is disclosed. After collecting the blood sample, the biological fluid collection device is able to transfer the blood sample to a point-of-care testing device or a biological fluid separation and testing device. After transferring the blood sample, the biological fluid separation and testing device is able to separate the plasma portion from the cellular portion and analyze the blood sample and obtain test results.

A semiconductor device manufacturing method is a method of forming a semiconductor device that includes a cell part that includes plural transistor cells in each of which a gate of a trench type is formed in a semiconductor layer, and diffused layers are formed on both sides of the gate, and a guard ring part that surrounds the cell part. The semiconductor device manufacturing method includes forming an interlayer dielectric film on a surface of the semiconductor layer in which the gate and the diffused layers are formed; reducing a thickness of the interlayer dielectric film formed in the cell part through etch back; forming a contact part having a shape of a hole or a groove in the interlayer dielectric film at a position above the diffused layer; and forming a metal film on the interlayer dialectic film.

A gravure plate useful in forming a light-emitting layer and/or a hole-injection layer of an organic light-emitting device has a plurality of cells in the shape of stripes, and non-cell portions between the cells. The proportion of the width b of each cell measured in the direction of printing to the width a of each cell measured in the direction perpendicular to the direction of printing, b/a, is 0.6 or more, and the proportion of the length L of each cell to the length S of each non-cell portion, L/S, is from 0.8 to 100. The length L of each cell is from 10 to 500 μm, the length S of each non-cell portion is from 2 to 500 μm, and the depth of the gravure plate is from 20 to 200 μm.

A method for fabricating a micro-organ device comprises providing a microscale support having one or more microfluidic channels and one or more micro-chambers for housing a micro-organ and printing a micro-organ on the microscale support using a cell suspension in a syringe controlled by a computer-aided tissue engineering system, wherein the cell suspension comprises cells suspended in a solution containing a material that functions as a three-dimensional scaffold. The printing is performed with the computer-aided tissue engineering system according to a particular pattern. The micro-organ device comprises at least one micro-chamber each housing a micro-organ; and at least one microfluidic channel connected to the micro-chamber, wherein the micro-organ comprises cells arranged in a configuration that includes microscale spacing between portions of the cells to facilitate diffusion exchange between the cells and a medium supplied from the at least one microfluidic channel.

The invention discloses a novel flexibly-packaged lithium ion battery and a preparation method therefor. The service life of the flexibly-packaged lithium ion battery can be prolonged, and the safety performance can be improved; two rings of sealed packaging edges are arranged on the periphery of an aluminium plastic film cell of the flexibly-packaged lithium ion battery; the two packaging edges comprise an inner side packaging edge and an outer side packaging edge; and an inert gas airbag is arranged between the inner side packaging edge and the outer side packaging edge. According to the novel flexibly-packaged lithium ion battery, the inert gas airbag is arranged around the cell part of the novel flexibly-packaged lithium ion battery, so that the internal cell is isolated from the external; moisture in the outside is hard to penetrate the packaging part and enter the interior of the cell, so that the service life of the battery is prolonged, and the production cost is saved; the inert gas airbag is arranged around the cell part of the novel flexibly-packaged lithium ion battery; the inner side packaging is relatively thick and the outer side packaging is relatively thin, so that when the interior of the battery cell is inflated, the inner side packaging part is inflated to be opened firstly, and the inert gas enters the cell part; therefore, a large amount of air is prevented from entering the interior of the cell to react with lithium to result in danger, and the safety performance of the battery is improved.

The fuel cell system of liquid fuel direct supply type includes an proton-conductive solid polymer film as an electrolyte, a cell part containing an anode and a cathode disposed to face each other with the proton-conductive solid polymer film intervening therebetween, a filter for removing metallic ions from a liquid fuel, a fuel supplying line for supplying the liquid fuel to the cell part through the filter, and an oxygen supplying line for supplying oxygen to the cell part, and the filter contains an inorganic ion exchange material.

A novel chemically modified alginate hydrogel has been developed which combines an aromatic compound with a carbohydrate, where the aromatic compound is one or more amines combined with an alginate. The chemical structure of alginate is modified using different amines and different methods, including: (1) covalently bonding aminoethyl benzoic acid to the alginate backbone, and (2) oxidizing the vicinal diol in the alginate chain to an aldehyde before coupling to aminoethyl benzoic acid. Alternatively, the combined aromatic compound and carbohydrate can be a dopamine combined with the alginate. The chemically modified alginate and the methods used can be utilized to encapsulate a variety of bioactive substances for oral delivery in humans and animals, including, but not limited to: (i) drugs, medicines, enzymes, proteins, hormones, and vaccines, (ii) vitamins, minerals, micronutrients and/or other dietary supplements, (iii) probiotics and/or other microorganisms, (iv) cells, cell parts, and/or other biological materials, and/or (v) other bioactive substances.

The invention discloses a power battery pack management system. A single cell is a single battery in a power battery pack; a plurality of single cells are first connected with each other in series toform a battery pack; the battery pack is connected with a main control module in parallel; each single cell part is connected to each single cell in parallel; a collection circuit and an equalizationcircuit are electrically connected with a carrier circuit; the collection circuit is electrically connected with the equalization circuit; a BMS main control part circuit is electrically connected with the carrier circuit; and a direct current carrier chip is electrically connected with a peripheral circuit. The power battery pack management system realizes one-cell one-cell part management; the communication mode is electric wire direct current carrier communication, problems of common-ground and power supply isolation caused by a one-to-more collection mode of the traditional BMS are avoidedand advantages that wiring harnesses are less, the structure is simple, the system is beneficial for design and quantity production are realized. And meanwhile, the one-cell one-cell part managementmode is convenient to monitor the state of the cell while being convenient to detach the battery pack and is also beneficial for cascade utilization and secondary development of the battery.

An airbreathing fuel cell, in which a fuel can be adequately supplied to a cell part from outside even at low fuel pressures and air replacement can be easily performed to provide a stable power generating capacity, comprises a cell stack formed by stacking a plurality of those unit cells, which comprise a solid polymer electrolyte membrane, an oxygen passage plate and a fuel electrode, which are provided on both sides of the solid polymer electrolyte membrane to be opposed to each other, the oxygen passage plate provided adjacent and toward the oxygen electrode, and separator plates provided adjacent and outside the oxygen passage plate and the fuel electrode, the fuel distribution manifold being formed into a rod-shaped body having a polygonal-shaped cross section, a fuel supply passage formed in the tie bolt, and a plurality of fuel distribution passages provided to be communicated to the fuel supply passage and formed between central holes of the unit cells and an outer peripheral surface of the fuel distribution manifold.

Provided is a sample analyzing apparatus by which highly accurate measurement results can be obtained. The sample analyzing apparatus is provided with: a sample cell part constituting a plurality of cell spaces; light source parts that irradiate light in wavelength regions different from each other on the cell spaces; a plurality of collimator mirrors that are arranged to correspond to the cell spaces respectively and that collimate the transmitted light that has passed through the cell spaces; a diffraction grating that disperses the reflection light collimated by the collimator mirrors; a light collecting mirror that collects the light dispersed by means of the diffraction grating; and a light detector that detects the light collected by the light collecting mirror.

The invention discloses a suspension cell culture bottle which comprises a bottle body, a bottle opening, a bottle cover, a plurality of vent holes, a fixing plate, a fixing plate driving mechanism, moveable plates and moveable plate driving mechanisms, wherein the plurality of the vent holes are formed in the bottle cover; when the bottle cover is screwed tightly, two moveable plates are withdrawn inwards, so that cells are moved upwards from two sides of the bottle body when being suspended gradually, and thus suspension culture is achieved; when the bottle cover is opened, the two moveable plates are driven by the moveable plate driving mechanisms to expand to the left side and the right side relative to the fixing plate; two rubber strips III are in sealing contact with the left side surface and the right side surface of the bottle body respectively. Cells suspended at the upper end in the bottle body are sealed and partitioned by using the fixing plate and the moveable plates through a rubber strip I, a rubber strip II and a rubber strip III, a culture solution at the lower half part of the bottle body is poured out from the bottle opening after passing through a bracket, and a new culture solution is added from the bottle opening. The phenomenon of cell contamination is avoided, the culture solution is saved, and the efficiency of replacing the culture solution is improved.

This invention provides a silicon carbide semiconductor device which can simultaneously realize stability of withstand voltage at a terminal part for electric field relaxation provided around a cell part driven as a semiconductor element, and reliability in high-temperature operation. In this terminal part, a highly heat-resistant inorganic protective film is provided on the surface on which a well area as a first area provided on a cell part side is exposed, while an organic protective film, which has a high level of insulating properties and is less likely to be influenced by charges, is provided on the surface on which an electric field relaxing region and a silicon carbide layer, which are in contact with the lateral surface of the well region and are distant from the cell part, are exposed.

A plasma display panel has address properties stabilized. A priming discharge is performed between auxiliary electrodes (18), which are formed on a front substrate (1) and coupled with scan electrodes (6), and priming electrodes (14) formed on a back substrate (2). And on the front substrate (1), a dielectric layer (4) is made thinner in regions corresponding to priming cells (gap parts 13) than in regions corresponding to cell parts (11). As a result, the priming discharge has a wider margin, and a supply of priming particles to the discharge cells is stabilized, whereby a discharge delay during the addressing is reduced, and the address properties are stabilized.

The invention discloses a preparation method for CIK cells with high cytotoxic activity. The preparation method comprises the following steps: (1) taking peripheral blood of a patient and collecting mononuclear cell parts of the peripheral blood; (2) centrifuging the mononuclear cell parts of the peripheral blood collected in the step (1), and removing the supernate and acquiring the mononuclear cells; (3) adding the mononuclear cells into a complete medium containing 500-2000IU/mLy interferon and 80-120ng/mL Turrapubin A according to the standard of 1*10<6>/mL cells, starting to induce and culture, wherein the complete medium contains RPMI 1640 cell culture fluid containing FBS with the volume percent at 10%; (4) after culturing the cells for 20-28 hours in the step (3), adding 50-1000ng/mL anti-human CD3 monoclonal antibody and 500-2000IU/mL recombination human IL-2, continuing inducing and culturing, wherein the subculture is performed once per 2-3 days and the time of the whole inducing culture is 13-21 days, thereby acquiring the CIK cells. According to the preparation method provided by the invention, the CIK cells with high purity, high proliferation ability and high cytotoxic activity can be acquired and applied to cellular immunotherapy for tumors.

The embodiment of the invention discloses a method, equipment and system for transmitting a demodulation reference signal (RMRS). The method comprises the following steps of: selecting a first resource block if the total transmission layer number of data to be transmitted is smaller than or equal to a first threshold value, and selecting a first resource block and a second resource block if the total transmission layer number of the data to be transmitted is larger than the first threshold value; at a first moment, transmitting the data to be transmitted and transmitting a DMRS of the data to be transmitted on the selected resource block; receiving feedback information indicating failed data transmission; if the total transmission layer number of the data failed to be transmitted is smaller than or equal to the first threshold value, selecting the second resource block; and at the second moment, retransmitting the data failed to be transmitted and transmitting the DMRS of the retransmitted data on the second resource block. Due to the adoption of the embodiment of the invention, the interference between the DMRSs on the partial resource blocks of adjacent cell parts is reduced, and the detection performance of data of the receiving end is improved.

The invention discloses a solar mountaineering jacket comprising a mountaineering jacket body provided with sleeves, a jacket body and a hat, wherein the sleeves are arranged at two sides of the jacket body, and the hat is arranged at the neckline of the jacket body. The solar mountaineering jacket is characterized by further comprising a solar cell coating arranged on the back of the jacket body, a cell part arranged on the jacket body and an illuminating lamp arranged on the front brim of the hat, wherein the cell part is electrically connected with the solar cell coating and the illuminating lamp respectively and is further provided with a charging plug for external charging; therefore, the mountaineering jacket has the functions of illumination and eye protection and can provide illumination for a long time by means of solar energy and an external power supply to save the space for carried equipment.

The invention discloses a trachemys scripta elegans embryo fibroblast cell line and a construction method thereof. The construction method comprises the following steps: taking a trachemys scripta elegans egg hatched for 12 to 18 days, selecting a live embryo and then sterilizing the trachemys scripta egg; shelling, taking the trachemys scripta embryo, discarding the head, fours limbs and visceraof the trachemys scripta embryo, and flushing the rest embryonic tissues with a PBS (Phosphate Buffered Saline) containing double-antibody until no obvious bloodstain is found; using trypsin to digestthe embryonic tissues which are flushed until no obvious bloodstain is found, collecting digested monoplast, and inoculating the monoplast into a complete medium for static culture; when the cells are partially adherent and do not float by slightly oscillating, absorbing the complete medium and the cells which are not adhered, and adding the rest adherent cells into a new complete medium for continuously culturing; when the confluence of primary cultured cells reaches 90 percent or above, digesting with the trypsin, collecting the monoplast and then inoculating into the complete medium for subculture. The invention lays a material and technical foundation for further using RSTEFs for conducting basic theory and experimental research.

A classifier engine provides cell morphology identification and cell classification in computer-automated systems, methods and diagnostic tools. The classifier engine performs multispectral segmentation of thousands of cellular images acquired by a multispectral imaging flow cytometer. As a function of imaging mode, different ones of the images provide different segmentation masks for cells and subcellular parts. Using the segmentation masks, the classifier engine iteratively optimizes model fitting of different cellular parts. The resulting improved image data has increased accuracy of location of cell parts in an image and enables detection of complex cell morphologies in the image. The classifier engine provides automated ranking and selection of most discriminative shape based features for classifying cell types.

A blood sampling transfer device that is adapted to receive a blood sample having a cellular portion and a plasma portion is disclosed. The blood sampling transfer device is able to separate the plasma portion from the cellular portion. After separation, the blood sampling transfer device is able to transfer the plasma portion of the blood sample to a point-of-care testing device. The blood sampling transfer device also provides a closed sampling and transfer system that reduces the exposure of a blood sample and provides fast mixing of a blood sample with a sample stabilizer. The blood sampling transfer device is engageable with a blood testing device for closed transfer of a portion of the plasma portion from the blood sampling transfer device to the blood testing device. The blood testing device is adapted to receive the plasma portion to analyze the blood sample and obtain test results.

The invention provides a buffer with a negative Poisson ratio structure. The buffer with the negative Poisson ratio structure is characterized by comprising two annular plates which are arranged in parallel and further comprising a rod-shaped cell body which is arranged between the two annular plates. The rod-shaped cell body is of the negative Poisson ratio structure and is formed by arranging aplurality of rod-shaped cell parts in a circumferential array and in modes of taking the central axes of the annular plates as axes and taking an angle alpha as an interval, wherein the angle alpha islarger than 0 degree and less than 360 degrees, each rod-shaped cell part comprises at least one rod-shaped cell unit, each rod-shaped cell unit comprises at least three circular rods, and each circular rod is M-shaped and comprises a first rod part, a V-shaped second rod part and a third rod part which are connected in sequence; and the end, away from the second rod part, of the first rod part serves as a first connecting end, the end, away from the second rod part, of the third rod part serves as a second connecting end, and the plurality of first connecting ends are correspondingly connected and the plurality of second connecting ends are correspondingly connected, so that the plurality of circular rods form a centrally symmetrical structure.

The present inventio discloses a mobile communication terminal through which users can confirm cell electric quantity state at any moment without confirming the display region of the terminal. The mobile communication terminal in the present invention includes the following parts: a cell part for supplying electricity; a cell electric quantity detecting part for detecting the cell part state and providing state information; a cell state display part for displaying full of or part of the state on the external of the terminal by using the state information provided by the cell electric quantity detecting part according to the open/close state. In the present inveniton, the terminal casing is made from translucent materials, thus, users can confirm cell electric quantity state at any moment without confirming the display region of the terminal. Furthermore, different colors are displayed along with the change of the cell electric quantity state, thus, users can visually confirm cell electric quantity state at any moment.

An electric conductivity detector includes at least a cell part having a cell through which liquid flows therein and measurement electrodes measuring a current of liquid flowing through the liquid in the cell, a detection circuit electrically connected to the measurement electrodes and configured to detect a current value flowing between the measurement electrodes, and to output a signal based on the detected value, and a processing unit configured to take in a signal output from the detection circuit and perform signal processing, in which the cell part and the detection circuit are configured to be accommodated in a column oven regulating a temperature of an analytical column of an ion chromatograph.