Patents Examined by Christine T Mui
  • Patent number: 11543420
    Abstract: A blood clotting time measurement cartridge includes: an inlet on one end of a measurement flow channel and through which blood is introduced; a communication opening on the other end of the measurement flow channel and through which air suction or air pressure application or the blood introduced from the inlet is performed; a moving body arranged in the measurement flow channel moves; a clotting accelerator applied on at least one of a flow channel wall surface, which defines the measurement flow channel, and the moving body; and a detection area through which light is transmitted to a predetermined part in the measurement flow channel, and where it is possible to detect with light whether there is the moving body or the blood making a reciprocating motion in the measurement flow channel in association with air suction or air pressure application or the blood from the communication opening.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: January 3, 2023
    Assignee: APEL CO., LTD
    Inventors: Minoru Kashiwada, Mitsuru Kashiwada, Akira Takayama, Yasuichi Haga
  • Patent number: 11541389
    Abstract: This fluid handling device has a rotary member that is rotatable around the central axis. In the rotary member, a first protruding part for pressing and closing a valve of a flow channel chip and a recessed part for opening the valve without pressing the valve are disposed on the circumference of a first circle around the central axis. The rotary member further has a second protruding part for, when the recessed part is located at the valve in a state where the rotary member is rotated, pressing the valve so as not to open the valve.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: January 3, 2023
    Assignee: ENPLAS CORPORATION
    Inventors: Nobuya Sunaga, Takumi Yamauchi, Satomi Yabuuchi
  • Patent number: 11536739
    Abstract: Example automated diagnostic analyzers and methods for using the same are disclosed herein. An example apparatus described herein includes a first carousel rotatably coupled to a base and having a first axis of rotation. The example apparatus includes a second carousel rotatably coupled to the base and vertically spaced over the first carousel such that at least a portion of the second carousel is disposed over the first carousel. In the example apparatus, the second carousel has a second axis of rotation and a plurality of vessels. The example apparatus also includes a pipetting mechanism offset from the second axis of rotation. The example pipetting mechanism is to access the first carousel and the second carousel.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: December 27, 2022
    Assignee: Abbott Laboratories
    Inventors: Brian L. Ochranek, David C. Arnquist, Takehiko Oonuma, Hirotoshi Tahara, Naoto Sato
  • Patent number: 11534758
    Abstract: A micro-total analysis system and a method thereof are provided. The micro-total analysis system includes: a microfluidic device, configured to accommodate a liquid to be detected; an optical unit, configured to form a first light irradiated to the microfluidic device; and a detection unit, configured to detect the liquid to be detected and output a detection signal to obtain detection information.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: December 27, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue Dong, Yanling Han, Haisheng Wang, Chuncheng Che, Xiaoliang Ding, Yingming Liu, Yuzhen Guo, Wanxian Xu, Peizhi Cai, Haochen Cui, Fengchun Pang
  • Patent number: 11534090
    Abstract: A microfluidic device for non-invasively and passively accessing interstitial fluid from a patient includes a substrate containing multiple vertical micro channels therethrough, wherein at a first end of each of the multiple vertical micro channels a microheater is formed for controllably ablating a portion of dry dead skin cells to access the interstitial fluid; and wherein at a second end of each of the multiple vertical micro channels is a horizontal micro channel for receiving accessed interstitial fluid from a vertical micro channel and guiding the accessed interstitial fluid to a common collection port.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: December 27, 2022
    Assignee: Georgetown University
    Inventor: Makarand Paranjape
  • Patent number: 11534753
    Abstract: The present invention relates to microfluidic fluidic devices, methods and systems as microfluidic kidney on-chips, e.g. human Proximal Tubule-Chip.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: December 27, 2022
    Assignee: EMULATE, INC.
    Inventors: Ville Kujala, Hyoungshin Park, Sonalee Barthakur, Sauveur Jeanty, Brian Zuckerman, Josiah Sliz, Tanvi Shroff, Geraldine A Hamilton, Kyung-Jin Jang, Ananth Nookala, Gang Luo, Donald Mckenzie
  • Patent number: 11536738
    Abstract: The invention relates to a laboratory instrument for the instrument-controlled handling of a partial problem in a treatment process which contains treatments of at least one laboratory sample. The invention moreover relates to a system containing a plurality of such laboratory instruments, wherein the system serves for the instrument-controlled handling of a problem containing a plurality of these partial problems in the treatment process of at least one laboratory sample. And the invention relates to a method for the instrument-controlled handling of a partial problem in a treatment process which contains treatments of at least one laboratory sample.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: December 27, 2022
    Assignee: EPPENDORF SE
    Inventors: Wolfgang Goemann-Thoss, Wolf Wente, Andreas Thieme, Jan-Gerd Frerichs, Christiane Markau, Jan-Hendrik Hacker
  • Patent number: 11530941
    Abstract: A fluid aspiration probe apparatus for automatic fluid testing equipment includes a pair of electrodes mounted on a distal probe tip. The electrodes are coupled to an impedance measurement apparatus via conductive pathways along the probe. The impedance measurements and probe tip height are monitored as the probe tip is lowered into a fluid sample. Boundaries between layers of fluid in the container are detected by recognizing sudden changes in the impedance measurements and heights of the boundaries are determined by tracking the position of probe tip when the sudden changes of impedance occur.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: December 20, 2022
    Assignee: INSTRUMENTATION LABORATORY COMPANY
    Inventors: Brian Joseph Bosy, Josef Kerimo
  • Patent number: 11530352
    Abstract: Provided herein are processes for preparing fluorescent 1-cyano-2-substituted isoindole compounds or N-substituted phthalazinium compounds, comprising reacting an aromatic dialdehyde or aromatic aldehyde-ketone compound with a material that contains primary amino or hydrazine groups, and assaying methods involving the processes thereof.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: December 20, 2022
    Assignee: Illumina, Inc.
    Inventors: Ali Asadi, Jian-Sen Li
  • Patent number: 11530212
    Abstract: The present disclosure relates to the field of organic light emitting materials, and in particular, to a fluorescent probe compound for zinc ion, as well as a preparation method and use in zinc ion detection thereof. The fluorescent probe compound of the present disclosure has a name of 2-(7-(2,8-dimethyl quinoline-6-yl)-5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl) phenol, and is synthesized with 2,8-dimethyl tetrahydroquinoline and 2-(2-phenolyl)-1,8-naphthyridine as main raw materials. Fluorescence property tests show that the fluorescent probe compound of the present disclosure has a high selectivity and sensitivity for Zn2+, a high chemical stability and a good water solubility, which particularly suitable for detecting Zn2+ in a water environment system. The excitation and emission spectrums of the compound are in a visible region, which could serve as a fluorescent probe applied to the field of zinc ion detection.
    Type: Grant
    Filed: May 9, 2020
    Date of Patent: December 20, 2022
    Assignee: WUYI UNIVERSITY
    Inventors: Xiuwen Chen, Ziyin Guo, Ziping Zhang, Xuyan Chen, Zhongzhi Zhu, Zhihai Yang
  • Patent number: 11524291
    Abstract: A fluidic device (10) is described. The fluidic device (10) comprises the first part (110) and the second part (120). The first part (110) comprises a first inlet (111) and a first outlet (112), mutually spaced apart. The second part (120) comprises a first chamber (121) arranged to contain a predetermined first amount A1 of a first fluid F1 therein and a first wall portion (122) arranged to contain, at least in part, the first fluid F1 in the first chamber (121). The fluidic device (10) is arrangeable in a first configuration, wherein the first part (110) is fluidically isolated from the first chamber (121). The fluidic device (10) is arrangeable in a second configuration, wherein the first inlet (111) and the first outlet (112) are fluidically coupled via the first chamber (121), whereby increasing a first pressure P1 in the first chamber (121) via the first inlet (111) urges at least a part of the predetermined first amount A1 of the first fluid F1 through the first outlet (112).
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: December 13, 2022
    Assignee: HERIOT-WATT UNIVERSITY
    Inventors: Maiwenn Kersaudy-Kerhoas, Antonio Liga
  • Patent number: 11525768
    Abstract: In accordance with the present disclosure, exposure of a sample to one or more electric pulses via capacitive coupling is described. In certain embodiments, the sample may be a biological sample to be treated or modified using the pulsed electric fields. In certain embodiments, the electric pulses may be delivered to a load using capacitive coupling. In other embodiments, the electric pulses may be bipolar pulses.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: December 13, 2022
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Antonio Caiafa, Vasile Bogdan Neculaes, Allen Lawrence Garner, Andrew Soliz Torres
  • Patent number: 11524290
    Abstract: A device for determining the amount or concentration of an analyte in a fluid sample and a flow rate of the fluid sample in a channel is provided. The device includes a chamber including a channel and an opening the channel in fluid communication with the opening. The device further includes a wicking component positioned adjacent to the opening configured to receive an amount of fluid from the channel. The device may further include an analyte sensor positioned on the wicking component, the analyte sensor configured to detect an analyte in fluid in contact with the analyte sensor, wherein the wicking component is configured to contact the amount of fluid with the analyte sensor. Alternatively the device may include at least one pair of electrodes configured to determine a flow rate of the fluid in the channel.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: December 13, 2022
    Assignees: University Of Cincinnati, Eccrine Systems, Inc.
    Inventors: Jessica Francis, Mikel Larson, Michelle D. Hoffman, Eliot Gomez, Jason Charles Heikenfeld, Isaac Stamper
  • Patent number: 11517898
    Abstract: Fluid storage containers and analysis cartridges for use in assay processes are presented. In addition, systems comprising such storage containers and analysis cartridges and methods of using such containers and cartridges are presented as well. In specific embodiments, fluid storage containers are configured to be coupled to analysis cartridges in a first stage and a second stage.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: December 6, 2022
    Assignee: LUMINEX CORPORATION
    Inventors: Ross Johnson, Chuck Collins
  • Patent number: 11517899
    Abstract: The disclosure relates to a microfluidic control chip. The microfluidic control chip may include an upper cover, a lower cover, and a chip functional layer between the upper cover and the lower cover. The chip functional layer may include a first region. The chip functional layer in the first region may include at least one chamber unit, an inlet flow channel to the chamber unit, and an outlet flow channel from the chamber unit. The chamber unit may include a main flow channel, a plurality of secondary flow channels, and a plurality of microcavity structures. The chamber unit may be configured to allow a liquid to flow from the main flow channel to the plurality of secondary flow channels, and then to the plurality of microcavity structures.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: December 6, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventor: Zhihong Wu
  • Patent number: 11519893
    Abstract: The present invention provides: an assay method that uses a compound represented by formula (I) as a fluorescent probe molecule and that is for detecting the lipid peroxidation suppression activity of a test compound; an assay kit that uses the assay method; a screening method that uses the assay method; and a pharmaceutical composition that is for the treatment, etc. of diseases (such as age-related macular degeneration) that are induced by lipid peroxidation reactions.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: December 6, 2022
    Assignees: FUSO PHARMACEUTICAL INDUSTRIES, LTD.
    Inventors: Ken-ichi Yamada, Saki Shinto, Tomomi Ide, Keiichi Yamamoto
  • Patent number: 11512098
    Abstract: Described are precursor compounds and methods for atomic layer deposition of films containing scandium(III) oxide or scandium(III) sulfide. Such films may be utilized as dielectric layers in semiconductor manufacturing processes, particular for depositing dielectric films and the use of such films in various electronic devices.
    Type: Grant
    Filed: October 1, 2016
    Date of Patent: November 29, 2022
    Assignee: Intel Corporation
    Inventor: Patricio E. Romero
  • Patent number: 11511275
    Abstract: A method for detecting, sorting, purifying and characterizing objects of interest in a liquid sample. The method comprises preparing, in a preparation module ON) of a microfluidic router system, the liquid sample for processing. Preparing comprises transporting the sample through a microfluidic channel, and forwarding the prepared sample from an outlet of the preparation module into an inlet of a routing module. Forwarding comprises coupling a microfluidic flow between the outlet and the inlet to passively buffer against or actively compensate for variations in a flow rate of the prepared sample at the outlet, and diverting the objects of interest from the microfluidic flow. Forwarding the sample comprises sensing a flow characteristic of the sample in preparation, routing module, or in flow connection, and controlling a flow control element taking the sensed characteristic into account to compensate for a variation in the flow rate by a closed-loop flow control.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: November 29, 2022
    Assignee: IMEC VZW
    Inventor: Chengxun Liu
  • Patent number: 11504711
    Abstract: Provided herein is a valve manifold comprising (a) an elastomer sheet attached to a plurality of magnetic pistons, wherein the magnetic pistons project from a first side of the elastomer sheet; (b) a foot component comprising a first surface and a plurality of shafts that orthogonally pass through the first surface; and (c) a body component comprising a second surface, a groove that laterally passes along the second surface, and a plurality of reservoir channels that orthogonally pass through the second surface, wherein the elastomer sheet is compressed between the foot component and the body component.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: November 22, 2022
    Assignee: Pacific Biosciences of California, Inc.
    Inventors: Christopher Kilcoin, Kristin Dills, Rebecca McGinley
  • Patent number: 11505530
    Abstract: Disclosed are a 1,8-naphthalimide derivative, a preparation method therefor and a use thereof. The 1,8-naphthalimide derivative is easy to prepare, and is an enhanced Cu2+ fluorescent probe, which can detect Cu2+ by two wavelengths and be applied to almost-all-water systems. According to atitration experiments and blank experiments at 392 nm and 754 nm, the detection limit of the 1,8-naphthalimide derivative of the present invention for Cu2+ is 2.6368×10?7 mol/L and 2.0156×10?7 mol/L, respectively, indicating that same can perform quantitative detection for Cu2+ with a high selectivity and a high sensitivity by using two wavelengths. In addition, a pH colorimetric switch based on 1,8-naphthalimide can rapidly and reversibly respond to a pH by means of three ways: a maximum absorption wavelength, absorbance and color change. Same has a narrow switching pH range, a good selectivity and a high sensitivity, can be used in almost-all-water systems.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: November 22, 2022
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Dongmei Xu, Yufen Chen