35 results about "Capillary channel" patented technology

The invention relates to an orthogonal multichannel capillary electrophoresis gene analyzer, which is characterized in that a fluorescence excitation module is arranged to form two laser beams which are coaxially and crosswise emitted into an array capillary from two sides of the array capillary, and an optical fiber module is arranged to collect fluorescence signals emitted by all channels of the array capillary; according to the invention, fluorescence emitted from two ends of an array capillary tube deviates from an optical axis, so that aberration caused by deviation of fluorescence emitted from two ends of the array capillary tube in an objective lens collection scheme is avoided, and the number of channels of the capillary tube can be further increased, so that the period of large-scale gene sequencing is shortened; and the application range of the multichannel capillary electrophoresis gene analyzer is expanded.

Provided is a multi-well-based rapid cell culture test device designed such that fluid films with a uniform thickness are formed. The rapid cell culture test device has an array structure of a plurality of aligned well units, each of which includes a first sub-well in which a first fluid is accommodated and a barrier structure surrounding the first sub-well to define the area of the first sub-well. A capillary channel recessed from the bottom surface of the first sub-well while traversing the bottom surface is formed to accommodate the first fluid and the barrier structure is divided into a barrier portion A located adjacent to one end of the capillary channel and a barrier portion B located adjacent to the other end of the capillary channel.

Battery module (1) for a traction battery of a vehicle, comprising - a battery module housing (2), - a battery cell arrangement (3) comprising a plurality of battery cells (3a-3g) accommodated within the battery module housing (2), - a cooling plate (4) which is attached to an upper side of the battery module housing (2) and by means of which the battery module housing (2) is closed, and - an evaporable coolant (6) which is accommodated within the battery module housing (2), wherein the battery module housing (2) is vacuumized so that a negative pressure prevails within the battery module housing (2), characterized in that the cooling plate (4) has a capillary structure (5) which is formed by a plurality of capillary channels (5a-5f) within the cooling plate (4), wherein the cooling of the battery module (1) takes place in the manner of a vapor chamber.

An apparatus for an electronic aerosol provision system may include a replaceable cartridge for the electronic aerosol provision system or a fixed component of a re-fillable or disposable electronic aerosol provision system. The apparatus includes a reservoir for a source liquid and a carrier module supported within the reservoir. The carrier module defines an airflow path within the reservoir and includes a heating element supported in the airflow path for generating an aerosol from the source liquid and first and second mounting parts which cooperatively engage to support the heating element. The first and second mounting parts cooperatively engage at an interface which extends in a direction substantially parallel to a direction along which air flows in the airflow path when the apparatus is in normal use. A gap between the first and second mounting parts may provide a capillary channel for drawing source liquid to the heating element from the reservoir heating during use.

An optical element detachable capillary clip and a capillary electrophoresis apparatus. The capillary clip comprises at least one capillary channel and a clip body defining the at least one capillary channel, and a capillary (700) can be mounted in the capillary channel. The clip body is provided with a detection window (201) and at least one optical detection element, the at least one optical detection element being directly or indirectly connected in the detection window (201). The at least one optical detection element can be removed from the clip body, such that the detection window (201) exposes at least part of an unobstructed region.

The present invention relates to a whole blood and fingertip blood testing device, including a blood collection structure and a testing chamber connected to and in fluid communication with the blood collection structure. The blood collection structure includes a collection rod, a capillary channel is arranged inside the collection rod, the bottom end of the capillary channel is located at the tail end of the collection rod, and the top end of the capillary channel is located in the middle of the capillary channel; and the collection rod is provided with a communicating hole connected to and communicated with the top end of the capillary channel. Moreover, the present invention also provides a method for collecting and testing a blood sample by using the testing device. Through the integrated structure of the blood collection structure, the testing chamber and the buffer chamber, the whole blood and fingertip blood testing device and method achieve functions of collecting, slowly releasing and testing the blood sample. The operation is easy, which reduces the difficulty of use by the operator. The number of times and time that the operator contacts the sample are effectively reduced, and the infectious possibility of the operator is reduced, so that the testing device is suitable for HIV testing, novel coronavirus testing, etc. The testing device and method have low requirements on the collected amount of the sample, and the collected amount is optimized from the milliliter level to the microliter level.

The invention discloses a low-cost multi-index synchronous detection capillary electrophoresis imaging system which comprises a capillary assembly used for bearing a biological or chemical sample to be analyzed, the capillary assembly comprises at least one capillary channel, preferably 16 capillaries (the size of each channel is about 1 mm * 1 mm), and the size of an overall imaging area is 20 mm * 2 mm.

The invention relates to a microfluidic device (100) for obtaining blood plasma, comprising a module (110) for collecting blood (101), the module having a first membrane (111A), which is designed to separate the plasma, and a specific surface (112), which is arranged downstream of the first membrane (111A) in order to extract the plasma therefrom. The device (100) further has a capillary channel (120) which is fluidically connected to the specific surface (112), is arranged to circulate the plasma in the channel (120), and has a flow outlet (130). The capacity of the collection module (110) is thus greater than the capacity of the capillary channel (120), and the capillary channel (120) is arranged such that the combined effect of capillary action and gravity is greater than the surface tension of the plasma when the plasma flows through the capillary channel (120).

A heat sink including: a base configured to be mounted over an integrated circuit in contact with thermal interface material on the integrated circuit; a sidewall extending from the base; and a capillary channel extending along the base away from the integrated circuit, the capillary channel configured to draw oil released from the thermal interface material away from the integrated circuit by capillary action.

A personal vaporizing unit that includes a reservoir to contain a substance to be vaporized. The substance to be vaporized is pressurized to force the substance into a capillary channel. While in the capillary channel, the substance may be heated using an inductive heater configuration. After heating, the substance is expelled into a low-pressure chamber that is at a gas pressure that is lower than ambient pressure chamber. While in the low-pressure chamber, the substance is irradiated with infrared radiation (light) and ultraviolet radiation (light). The infrared radiation further heats the substance to improve vapor characteristics. The ultraviolet radiation improves the sterilization of the substance.

The disclosed diagnostic test cartridges collect a controlled amount of a patient sample using a capillary slide. The capillary slide mates with a capillary channel to cause diluent to mix in a controlled manner with the patient sample to prepare it for further processing, such as sonication and diagnostic testing. The cartridge can be a two-part design in some examples that selectively couple together to cause the patient sample to be collected in a controlled manner and the diluent to be released to mix with the patient sample in a controlled manner to improve the quality of the prepared sample for diagnostic testing.

A capillary clip, a capillary electrophoresis apparatus, and a method for using a capillary clip. The capillary clip comprises a clip body, and a refrigerant channel, and at least two capillary channels defined by the clip body. The clip body comprises an inlet segment clip portion (100), a detection portion (200), and an outlet combination portion (300), wherein the inlet segment clip portion (100), the detection portion (200) and the outlet combination portion (300) are detachably connected in sequence in a sealed manner. The refrigerant channel and each capillary channel are combined at the inlet segment clip portion (100) and the outlet combination portion (300), and the refrigerant channel and each capillary channel are separated at a detection window (201) of the detection portion (200). A capillary (700) can be mounted in the capillary channel.

The present application relates to a kind of anti-extraction halogen-free flame-retardant polyamide composition and its preparation method.It includes the following components by weight fraction: polyamide resin 30-95 parts;Reinforcing material 0-50 parts;Halogen-free flame retardant 5-30 parts;Dicalcium silicate 1-5 parts;Tricalcium silicate 0.2-1 part;Other auxiliary agent 0.5-5 parts.The present application uses the principle of hydration hardening, dicalcium silicate and tricalcium silicate generate calcium hydroxide and calcium silicate gel when encountering water, with the viscoelasticity of colloid, along the water molecule capillary distribution and occupy the extraction channel, further, at the interface of channel and air, react with carbon dioxide to generate calcium carbonate, harden, block capillary channel, block extraction.1500h still not extract under high temperature and high humidity (85℃, 85% RH), without affecting other properties, and raw material is easy to get, simple processing.

The present invention discloses a capillary heating element for XRD and XAS tests, which is characterized by comprising a heating body, a connecting part and a temperature measuring device; the heating body includes a core body and a housing, the core body is columnar, and a capillary channel coaxial with the core body is formed thereon; the housing is wrapped around the core body, and a cavity is formed between the housing and the core body; a heating wire is arranged in the cavity; there are two heating bodies, and the two heating bodies are arranged coaxially; both ends of the connecting part are respectively connected to the opposite end faces of the two heating bodies, and a window is formed between the connecting part and the heating body; the temperature measuring device is located at the central position of the connecting part. The present invention also provides a heating system. The advantages of the present invention are that it can be directly heated by power-on during use. Compared with conventional air heaters, it does not require a complex supporting system, does not use a gas source, saves equipment costs, and is also easy to maintain.

A fuel cell is provided that includes: a power generating portion including an electrolyte membrane and a pair of electrode layers sandwiching the electrolyte membrane; a pair of separators sandwiching the power generating portion; a gas channel interposed between the power generating portion and at least one of the separators; and at least one capillary channel configured to transfer product water by capillary action from a first region toward a second region. The first region is a region near a gas discharge port configured to discharge gas from the gas channel. The second region is a region near a gas supply port configured to supply the gas to the gas channel.

The invention relates to a microfluidic device (100) for obtaining blood plasma, comprising a blood collection module (110) (101) having a first membrane (111A) designed to separate the plasma and a specific surface (112) arranged downstream of said first membrane (111A) for extracting the plasma. Said device (100) further comprises a capillary channel (120) in fluidic connection with said specific surface (112), arranged to circulate said plasma in said channel (120), and with a flow outlet (130). The capacity of the collection module (110) is greater than the capacity of the capillary channel (120), and said capillary channel (120) is arranged such that the combined effect of capillarity and gravity is greater than the surface tension of the plasma as it flows through said capillary channel (120). Figure to be published with the abbreviation: Fig 1

The invention relates to a micro-fluidic chip for detecting urinary sediment, an intelligent dyeing detection device and an intelligent dyeing method. The device has the advantages that the fluid mechanics principle of urine particles is utilized, the micro-column array is designed, high-adhesion treatment is combined, capillary channel movement is utilized, the fluid movement direction of urine sediment passing through the micro-column arrays with different sizes and densities is controlled on the microscale, urine sediment components with different particle sizes and different forms are separated, and the urine sediment separation effect is achieved. Non-invasive intelligent separation of particles in urine liquid and enrichment of visible components in different chip positions are realized; the enrichment and concentration of urine cells of an ultra-large urine sample volume (greater than 100ml) are automatically realized, the detection rate of microorganisms such as tumor cells and mycobacterium tuberculosis is greatly improved, and the situation that a small sample detection result cannot represent the real urinary sediment characteristics of a patient is avoided; the urine sediment components are automatically separated without centrifugation, so that the completeness of urine cells is ensured, and the damage of urine centrifugation to the cells and other visible components is prevented.

A combination of components in a capillary flow channel uses capillary forces to passively control the movement of liquid samples within a microfluidic device. To detect a target, a liquid sample introduced to a proximal portion of capillary channel of a microfluidic device moves by capillary action along the specific components of capillary channel.

The invention relates to a microfluidic system (100) for analyzing biological samples, comprising a chamber (110) for pre-storing a soluble substance (190), in particular a lyophilisate, and a channel (120) connected to the chamber (110) for introducing a fluid to dissolve the substance (190), wherein at least a portion of the channel (120) is designed as a capillary channel (125). Furthermore, the invention relates to a method (500) for dissolving a soluble substance (190) in such a microfluidic system (100).

The invention relates to a microfluidic device (100) for obtaining an amount of plasma (102), the device comprising: • - a blood-collection module (110) carrying, by means of a membrane holder (113), a first and a second microporous membrane (111A, 111B) that are movable relative to one another, the second membrane (111B) integrally supporting the first membrane (111A), as well as a specific surface (112) arranged downstream of the second membrane (111B); • - a capillary channel (120), which is in fluid connection with the collection module (110) and with a flow outlet (150); • - a reservoir (130) for storing a fluid, which is in fluid connection with the capillary channel (120) and arranged to contain a volume of fluid and include an actuator designed to cause a forced flow of the fluid in the capillary channel (120); and • - a means (140) for preventing any return of fluid to the collection module (110).

The invention relates to a microfluidic device (100) for obtaining a quantity of plasma (102) comprising: - a blood collection module (110) having a first and a second microporous membrane (111A, 111B), the second membrane (111B) fully supporting the first membrane (111A), as well as a specific surface (112) arranged downstream of the second membrane (111B); - a capillary channel (120) in fluidic connection with said collection module (110) and with a flow outlet (150); - a fluid storage reservoir (130) in fluidic connection with said capillary channel (120) and arranged to contain a volume of fluid and comprising an actuator designed to cause a forced flow of said fluid in the capillary channel (120); - and a means (140) for preventing any fluid backflow to the collection module (110). Figure to be published with the abbreviation: Fig. 3

The invention relates to a microfluidic plasma device (100) comprising: - a blood collection module (110) having: i. a microporous membrane (111A); ii. a specific surface (112); - a capillary channel (120) having a first end (120a), in fluidic connection with the specific surface, a second end (120b), in fluidic connection with an outlet (130); the capacity of the module being greater than that of the channel, and the channel being arranged such that the combined effect of capillarity and gravity is greater than the surface tension of the plasma when it flows. The module comprises a plate (113) positioned upstream of the membrane and having a through-hole and a downstream surface bearing peripherally on the membrane, allowing blood to flow along the downstream surface into the membrane.

A microfluidic device includes a microfluidic substrate having a fluid inlet port, a fluid outlet port, and a control volume in fluid communication with the fluid inlet port and the fluid outlet port. The control volume includes a gas accumulation cell downstream of and in fluid communication with the fluid inlet port for accumulating a gas composition within the control volume, and a plurality of capillary channels downstream of the gas accumulation cell for collecting condensed liquid from the gas accumulation cell. The capillary channels each extend from the gas accumulation cell, and the depth of each of the capillary channels is less than the depth of the gas accumulation cell.

The application relates to the technical field of blended yarns, and particularly discloses a high-strength air-permeable cashmere blended yarn, which is obtained by impregnating treatment of a blended yarn in a finishing liquid, wherein the blended yarn comprises, according to weight fractions, 100 parts of cashmere fibers, 25-35 parts of modified nylon fibers and 12-16 parts of flax fibers; the modified nylon fibers are obtained by melt blending and spinning of epoxy-modified silicon dioxide-oxidized graphene composite particles and nylon chips; the three different fibers are blended, the internal structure of the yarn is more fluffy, capillary channels penetrating through the yarn are formed, the circulation of air and moisture is facilitated, the finished yarn has hydrophilicity, water can be quickly diffused and evaporated in combination with the fluffy structure of the blended yarn, the stuffy feeling during wearing is avoided, the blended yarn not only retains the comfort of cashmere but also has durability and anti-pilling property which are much better than those of pure cashmere yarn, and the application range is greatly improved.

Provided herein is a sheet (100) having a sheet first side (116) and an opposing sheet second side (118) wherein the sheet first side (116) is disposed with a plurality of adjacent capillary channels, channels (140, 140'), wherein exposure of one end of the sheet to a liquid induces formation in the sheet (100) of a tubular extending portion, TEP, (122, 122', 122") having a tubular structure (124, 124', 124") and having a length (120, 120', 120") that increases gradually over time in a flow direction (114) of the liquid along the plurality of channels (140, 140').

The invention relates to a microfluidic system (100) for analysing biological samples, the system comprising a chamber (110) for pre-storage of a soluble substance (190), in particular a lyophilisate, and a channel (120) connected to the chamber (110) for introducing a fluid for dissolving the substance (190), wherein at least one section of the channel (120) is in the form of a capillary channel (125). The invention also relates to a method (500) for dissolving a soluble substance (190) in such a microfluidic system (100).

The present invention relates to a microfluidic analysis device and method for electrochemiluminescence immunoassay detection. The device includes a chip body and a heater. The chip body includes functional areas, capillary channels, air connection channels, a detection chamber, an air pressure chamber, and a three-electrode sensor. A fluid flow unit with a height difference and a capillary structure is constructed on the chip body. Two adjacent functional areas are connected through corresponding air connection channels. A capillary main channel is connected to the detection chamber. The capillary main channel has multiple branch sections that are connected one-to-one with corresponding functional areas. A capillary secondary channel connects the detection chamber with the air pressure chamber. The three-electrode sensor is arranged in the detection chamber, and the heater is arranged on the back of the air pressure chamber. The present invention gets rid of the dependence on a syringe pump or an external mechanical fixture, realizes precise control and automated operation of the liquid in the microfluidic chip, and completes high-sensitivity biomolecule detection on the microfluidic chip.

Disclosed is a blood sampling device in the format of a skin-mounted patch, the patch including at least one lancet and one or more capillary channels suitable for transporting blood induced by the or each lancet and one or more analyte sensors positioned in use to receive blood via said channels to enable detection and measurement for example of one or more blood analytes, and a vibration module operable to maintain blood flow, and / or ease lancet insert / removal and / or reduce pain from the lancet during insertion / removal.

Provided herein is a sequential stopper positionable within a barrel of an injection device. The sequential stopper includes a membrane comprising a proximal face and a distal face and that separates a first chamber and a second chamber of the barrel. A lateral wall is joined to the membrane that defines at least one cavity and provides a circumferential sealing surface that sealingly engages an inner surface of the barrel. The membrane comprises one or more capillary channels formed therein that extend through a thickness of the membrane. The capillary channels provide a fluid path through the membrane for transferring of a second fluid from the second chamber to the first chamber, with a flow of the second fluid through the fluid path being selectively prevented or allowed depending on the strength of an injection force exerted by the second fluid onto the proximal face of the membrane.