36 results about "Cell phase" patented technology

In a memory device and in a method of programming the same, a memory device comprises: a plurality of memory cells, each memory cell comprising a resistance-changeable material that has an initial resistance that is determined in response to an applied programming current in a programming operation; and a modification circuit that modifies the resistance of the memory cell following a programming operation of the memory cell to vary the resistance of the memory cell from the initial resistance to a second resistance by applying a saturation current in a saturation operation. Each memory cell is connected to a conduction line of the memory device that is used to apply the programming current to program the resistance of the corresponding memory cell in the programming operation, that is used to apply the saturation current to the corresponding memory cell in the saturation operation and that is used to apply a read current to read the resistance of the corresponding memory cell in a subsequent read operation.

Disclosed herein is a device for sampling blood by capillarity for separating a plasma phase of the blood from the cell phase. The device is a strip and includes a filter having a membrane with no clumping agents, a prefilter for spreading blood over the surface of the membrane; and an absorbent paper downstream from the filter. The membrane is dimensioned to cover only a part of the surface of the prefilter and the migration of blood by capillarity within the prefilter takes place essentially lengthwise relative to the strip before blood comes into contact with the membrane.

Phase-change memory cells for storing information in a plurality of programmable cell states. A phase-change component is located between first and second electrodes for applying a read voltage to the phase-change component to read the programmed cell state. The component includes opposed layers of phase-change material extending between the electrodes. A core component extends between the electrodes in contact with respective inner surfaces of the opposed layers. An outer component extends between the electrodes in contact with respective outer surfaces of the opposed layers. At least one of the core and outer component is formed of electrically-conductive material and is arranged to present, to a cell current produced by the read voltage, a lower-resistance current path than the amorphous phase of the phase-change material in any of said cell states. The current path has a length dependent on size of the amorphous phase in the opposed layers.

There is provided a rare earth-cobalt permanent magnet containing 23 to 27 wt % R, 3.5 to 5 wt % Cu, 19 to 25 wt % Fe, 1.5 to 3 wt % Zr, and a remainder Co with inevitable impurities, where an element R is a rare earth element at least containing Sm. The rare earth-cobalt permanent magnet has a density of 8.15 to 8.39 g/cm³. It also has a metal structure including a cell phase (11) containing Sm₂Co₁₇ phase and a cell wall (12) surrounding the cell phase and containing SmCo₅ phase. An average crystal grain diameter is within a range of 40 to 100 μm. A half width of Cu content of the cell wall (12) is 10 nm or less.

The invention discloses a full-automatic pre-color-register method. The full-automatic pre-color-register method comprises the following steps that color cell phases are preset, and a photoelectric eye is additionally arranged on a first color cell; a printing machine is started; all the color cells are positioned according to the preset phases; all the color cells are laminated; color codes of all the color cells are detected through photoelectric eyes on all the color cells, the condition that the color codes are not detected is processed till the color codes of all the color cells are detected; expect the first color cell, the code form longitudinal errors of the current color cells and the previous color cells are read by the photoelectric eyes on the rest of the color cells, and the condition that the longitudinal errors are not in the range of -5-5 mm is processed till the read longitudinal errors are in the range of -5-5 mm; and the longitudinal errors in the range of -5-5 mm are corrected, the longitudinal errors is corrected to be in the range of -2-2 mm, and the pre-color-register process is completed. By the adoption of the full-automatic pre-color-register method, the problem that manual operation is adopted for the pre-color-register in the printing process, and consequently the rejection rate is large is solved.

A method for detecting or separating/obtaining CTC, which is capable of reliably and stably detecting or separating/obtaining a circulating tumor cell and a circulating tumor stem cell present in trace amounts in a biological circulating fluid such as blood or lymph, even in the state where the cancer type of the tumor cells cannot be determined yet and the state where the tumor cells are present in trace amounts in the biological circulating fluid. The method is attained by detecting or separating/obtaining CTC and/or CTSC in a biological circulating fluid, comprising treatment steps (1) to (4): (1) pretreating a sample from the biological circulating fluid to obtain a mononuclear cell phase; (2) providing a well plate in which a culture medium consisting of a serum-free cell growth medium for circulating tumor cell and/or circulating tumor stem cell has been injected, and seeding thereto the mononuclear cells obtained in step (1), followed by incubation; (3) removing the culture medium from a well of the plate obtained by the incubation in step (2); and (4) detecting or separating/obtaining an adherent tumor cell attached to the well of the plate after step (3).

The invention provides a cell-phone-APP based intelligent community management system and the method of realizing the same, which relate to the electronic information field. The cell-phone-APP based intelligent community management system comprises the exits and entrances of the community wherein the exits and the entrances all contain a vehicle gate, a door gate, a community gate, a garage access controller, and a building access controller. The system is further provided with a cell phone installed with the APP and a management terminal installed with the APP. The operation interface of the APP is provided with a one-button unlocking button. The one-button unlocking button is provided thereunder different sub-menus for the vehicle gate, the door gate, the community gate, the garage access controller and the building access controller. The sub-menus are added with a Bluetooth device button and an unlocking button. When the sub-menus are clicked open, a corresponding Bluetooth device could be added; when the Bluetooth device is added successfully and when the user clicks the unlocking button, the corresponding Bluetooth device issues the unlocking instruction after it receives the signal to do so. The introduction of a cell phone app to realize community management increases the security level of the community and makes it more convenient for the people to enter and exit the community.

The invention discloses a double-pass laser amplification system and method based on a coaxially-disposed independent double-cell phase-conjugated mirror. The system comprises a laser device, a first polarizer, a first lambda/2 wave plate, a first Faraday magneto-optical rotator, a second polarizer, a laser amplifier, a third polarizer, a first 45-degree reflecting mirror, a second 45-degree reflecting mirror, a second lambda/2 wave plate, a third 45-degree reflecting mirror, a fourth 45-degree reflecting mirror, a fourth polarizer, a third lambda/2 wave plate, a second Faraday magneto-optical rotator, a fifth polarizer, a 90-degree optical rotator, a first lambda/4 wave plate, a stimulated brillouin scattering amplification cell, a second lambda/4 wave plate, a sixth polarizer, a positive lens and another stimulated brillouin scattering amplification cell. A delay reflecting mirror is arranged in front of the second Faraday magneto-optical rotator, a seventh polarizer is arranged behind the fourth polarizer, and an eighth polarizer is arranged behind the third polarizer. On the premise of guaranteeing quality of laser beams, output power of laser can be greatly increased.

The invention provides a cell viability detection device and method based on optical fiber digital coaxial holographic microscopy and relates to the technical field of cell detection. The device comprises a laser light source emitting unit, an image collecting unit, an image acquisition unit, an objective table and a computer, wherein the upper-end plane of the objective table is provided with a transparent object-carrying window for placing cell sap, the laser source emitting unit is arranged at the lower end of the object-carrying window, the image acquisition unit is arranged at the upper end of the object-carrying window, and the output end of the image acquisition unit is connected with the input end of the computer. The device has the advantages that a cell sap hologram is determinedaccording to the fact that cells and an environment medium have different light refractive indexes and light passing the cells changes in phase as compared with light passing the environment medium,a Fourier transform method is used to reconstruct and invert cell section images, and arc tangent operation is used to obtain the true phase images of the cells; cell viability is determined accordingto the proportional relation between cell phase differences and refractive index differences; noninvasive and nondestructive quantitative imaging of biological cells is achieved.

The invention discloses a high-efficiency power generation and denitrification method of a microbial fuel cell with the high-salt and nitrogen-containing wastewater matrix, and belongs to the technical field of bioenergy. An immobilized cell phase is arranged in a traditional bipolar single-chamber microbial fuel cell (MFC) to construct a three-phase single-chamber MFC. The immobilized cell is ectoine secreting type halomonas meridiana with simultaneous nitrification and denitrification functions. The salt tolerance assistant function and simultaneous nitrification and denitrification functionof halomonas meridiana are integrated into an MFC to improve the salt tolerance of microorganisms at an MFC electrode and enhance the efficiency of SND denitrification at high salinity. The method solves the problems that a high salt wastewater matrix can reduce the internal resistance of the MFC, but meanwhile the activity of microorganisms can be inhibited and the efficiency of power generationand denitrification is reduced. The method is of great significance to the utilization of the MFC in high salt wastewater.

The invention discloses an LED array based microchannel rotation cell phase contrast imaging method and system. The system sequentially comprises, along the light path transmission direction, an LED array, a microchannel, a microscope, a Cmos camera acquisition module, a rotation cell feature extraction and recognition module, a cell rotation measurement module, a cell blur removal module, an image cell rotation correction module and a rotation cell phase contrast imaging module. Phase contrast imaging is the most effective method for imaging transparent samples and can obtain details of contours of the sample that are invisible on normal intensity imaging; with the method, blurring caused by rapid movement of cells within the one exposure time in the microchannel can be removed. In the method, LED is used as an asymmetric light source to analyze and study phase contrast imaging of the rotation cell imaging in the microchannel, and in the case of asymmetric illumination, cells in all forms of movement in the microchannel can be imaged perfectly to assist as in morphological analysis and learning.

A liquid crystal display includes a lower substrate and an upper substrate facing each other, a liquid crystal layer disposed between the lower substrate and the upper substrate, a color conversion layer disposed on the liquid crystal layer, a first polarizing layer and a first phase difference layer disposed between the liquid crystal layer and the color conversion layer, and a second polarizing layer and a second phase difference layer disposed between a light source and the lower substrate, wherein the first phase difference layer has a refractive index satisfying Inequality 1 and the second phase difference layer has refractive indexes satisfying Inequality 2.

n_x1≥n_y1>n_z1   [Inequality 1]

n_x2>n_z2>n_y2   [Inequality 2]

In Inequalities 1 and 2, n_x1, n_x2, n_y1, n_y2, n_z1, and n_z2 are the same in the detailed description.