29 results about "Capillary channel" patented technology

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 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 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.

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

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.

The present disclosure relates to an apparatus for microalgae and / or cyanobacteria cell culture comprising a unitary body formed from a hydrophobic material; and two or more microcapillary channels extending along the unitary body; wherein the inner surface of the microcapillary channels is coated with nutrients suitable for microalgae and / or cyanobacteria cell culture; and wherein the hydrophobic material is transparent to visible light, and to a kit and sensor thereof. A method for culturing microalgae and / or cyanobacteria in an apparatus comprising a unitary body formed from a hydrophobic material and two or more microcapillary channels extending along the unitary body, wherein the hydrophobic material is transparent to visible light is also disclosed.

A plasma source device (100) for providing a gas volume (1) in a plasma accelerator device (200) comprises a capillary channel device (10) for conducting a gas flow (2), the capillary channel device having an irradiation port (10A) for receiving a laser light (3) in an irradiation direction deviating from an axial flow direction of the gas flow (2), and an output port (10B) aligned with the irradiation port (10A) and arranged for outputting a plasma accelerator output (4) comprising an electron beam and / or an X-ray beam, where the gas volume (1) is provided by a gas flowing through a gas flow (2) of an irradiation path (5) between the irradiation port (10A) and the output port (10B). The capillary channel arrangement (10) comprises a plurality of capillary channels (11, 12), where each capillary channel (11, 12) has two radial apertures (13), the capillary channels (11, 12) are arranged side by side, all apertures (13) are aligned in series to provide an irradiation path (5) through the capillary channel arrangement (10) in an irradiation direction (z), where a first aperture (13) of a first capillary channel (11) is an irradiation port (10A) and a second aperture (12) of a second capillary channel (12) is an irradiation port (10B). The last aperture (13) of the last capillary channel (12) is an output port (10B), and the gas volume (1) comprises a plurality of gas sections (14, 15) arranged along the irradiation path (5) wherein each gas section (14, 15) is provided by one of the capillary channels (11, 12) with a predetermined gas parameter, and the gas sections (14, 15) provide a continuous gas field as a gas volume (1) along the irradiation path (5). Furthermore, a plasma accelerator device (200) and a method of generating an electron beam and / or an X-ray beam are described.

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.

To provide a capillary array window holder that provides multiple capillary channels.SOLUTION: A section of each capillary channel is an open channel (678) that is exposed to excitation light on at least one side of a capillary array assembly (100). Adjacent open channels (678) are separated from each other by window bars (156). Multiple capillaries (108) are disposed in respective capillary channels such that windows (148) of the capillaries (108) are located in the open channels (678). The window bars (156) block the line of sight between adjacent capillary windows (148) to reduce or eliminate crosstalk between adjacent capillaries (108) when making optical-based measurements of samples. The capillary array assembly (100) may be configured to perform capillary electrophoresis.SELECTED DRAWING: Figure 6

A fuel cell is provided comprising: a power generation section with an electrolyte membrane and a pair of electrode layers sandwiching the electrolyte membrane; a pair of separators sandwiching the power generation section; a gas channel located between the power generation section 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 to a second region. The first region is located near a gas outlet port configured to release gas from the gas channel. The second region is located near a gas inlet port configured to feed gas into the gas channel.