Patents Assigned to Purdue Research Foundation
  • Patent number: 11393668
    Abstract: The invention generally relates to methods for analyzing an analyte in a sample that involve providing a capture module, the module configured to capture an analyte from a sample in an ambient environment and generate ions of the analyte, wherein the capture module comprises a cartridge and a porous substrate within the cartridge that is connected to a voltage source; and generating ions of the analyte from the capture module that are analyzed in a mass analyzer operably coupled to the capture module, thereby analyzing the analyte in the sample.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: July 19, 2022
    Assignee: Purdue Research Foundation
    Inventors: Robert Graham Cooks, Ahmed Mohamed Hamid, Alan Keith Jarmusch, Zheng Ouyang
  • Patent number: 11390824
    Abstract: Lubricant compositions and methods of producing die-cast products by applying such a lubricant composition to a working surface of a die prior to casting a product from a molten metal injected into the die. The composition serves as lubricant between the die and resulting product, and contains at least one active component that reacts with an oxide of the metal to remove a layer of the oxide that forms on a surface of the melt during the die casting process.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: July 19, 2022
    Assignee: Purdue Research Foundation
    Inventors: Xiaoming Wang, Qingyou Han
  • Patent number: 11389402
    Abstract: Methods and devices suitable for delivering a pharmaceutical drug to patient. Such a device includes a multiple-network pseudo-interpenetrating polymer network (pseudo-IPN) hydrogel containing the drug. The hydrogel comprises loosely cross-linked polymeric networks that interpenetrate and are grafted to each other.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: July 19, 2022
    Assignee: Purdue Research Foundation
    Inventors: Siamak Shams Es-haghi, Gustavo A. Guzman Cardozo, Mukerrem Cakmak
  • Patent number: 11389871
    Abstract: A method of producing flakes containing nanostructures from a part made of a material. The method includes subjecting the part made of the material to peening by shots driven by ultrasonic energy for a period of time, wherein nano structures form on the surface of the part and, subsequently, damage to the part caused by continued peening of the part by the shots driven by ultrasonic energy results in separation of flakes containing nanostructures from the part made of the material. Nanocrystalline flakes containing fractured surfaces, microcracks, nanograins and nanolamellae. Sensors comprising nanocrystalline flakes containing fractured surfaces, microcracks, nanograins and nanolamellae.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: July 19, 2022
    Assignee: Purdue Research Foundation
    Inventors: Qingyou Han, Fei Yin, Milan Rakita
  • Patent number: 11391563
    Abstract: An ultra-sensitive speckle-analyzing system is disclosed which includes an image capture device configured to receive a scattered field having a speckle configuration and thereby capture i) a reference speckle image, and ii) a subsequent speckle image, each of the reference and the subsequent speckle images having a plurality of speckles on a background; and a processor configured to generate a cross-correlation between the plurality of speckles of the reference and the subsequent speckle images, to thereby represent a change in the speckle configuration.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: July 19, 2022
    Assignee: Purdue Research Foundation
    Inventors: Qiaoen Luo, Justin A. Patel, Kevin J. Webb
  • Publication number: 20220221234
    Abstract: A thermal dual-barrier coating system is disclosed which includes a first thermal barrier layer having a first thermal conductivity, one or more composite structures vertically disposed adjacent the first thermal barrier layer, each of the one or more composite structures includes an ultra-thin disordered semi-continuous metallic film and a layer of a second thermal barrier layer.
    Type: Application
    Filed: January 11, 2022
    Publication date: July 14, 2022
    Applicant: Purdue Research Foundation
    Inventors: Jacob ZUBIN, Xueji WANG, Ali JISHI, Avra Sankar BANDYOPADHYAY
  • Patent number: 11385586
    Abstract: Examples of methods are described herein. In some examples, a method includes calculating a first cost function measure based on band defects in an image. In some examples, the method also includes calculating a second cost function measure based on the band defects and a synthetic band. In some examples, the method further includes detecting a missing band based on a comparison of the first cost function measure and the second cost function measure.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: July 12, 2022
    Assignees: Hewlett-Packard Development Company, L.P., Purdue Research Foundation
    Inventors: Wan-Eih Huang, Jan Allebach, Richard Eric Maggard, Renee Jeanette Jessome, Mark Quentin Shaw
  • Patent number: 11385386
    Abstract: A nanostructured material system for efficient collection of photo-excited carriers is provided. They system comprises a plurality of plasmonic metal nitride core material elements coupled to a plurality of semiconductor material elements. The plasmonic nanostructured elements form ohmic junctions at the surface of the semiconductor material or at close proximity with the semiconductor material elements. A nanostructured material system for efficient collection of photo-excited carriers is also provided, comprising a plurality of plasmonic transparent conducting oxide core material elements coupled to a plurality of semiconductor material elements. The field enhancement, local temperature increase and energized hot carriers produced by nanostructures of these plasmonic material systems play enabling roles in various chemical processes. They induce, enhance, or mediate catalytic activities in the neighborhood when excited near the resonance frequencies.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: July 12, 2022
    Assignee: Purdue Research Foundation
    Inventors: Urcan Guler, Alberto Naldoni, Alexander Kildishev, Alexandra Boltasseva, Vladimir M. Shalaev
  • Patent number: 11384425
    Abstract: A method of producing gallium-doped zinc oxide films with enhanced conductivity. The method includes depositing a gallium-doped zinc oxide film on a substrate using a pulsed laser and subjecting the deposited gallium-dope zinc oxide film to a post-treatment effecting recrystallization in the deposited film, wherein the recrystallization enhances the conductivity of the film. Another method of producing gallium-doped zinc oxide films with enhanced conductivity. The method includes the steps of depositing a gallium-doped zinc oxide film on a substrate using a pulsed laser and subjecting the deposited gallium-dope zinc oxide film to an ultraviolet laser beam resulting in recrystallization in the film, wherein the recrystallization enhances the conductivity of the film. A film comprising gallium-doped zinc oxide wherein the film contains a recrystallized grain structure on its surface.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: July 12, 2022
    Assignee: Purdue Research Foundation
    Inventors: Gary J. Cheng, Qiong Nian
  • Patent number: 11385376
    Abstract: An electric field sensing device. The device includes a substrate, a sensing medium capable of experiencing a change in its electrical resistivity in response to an electric field, and electrodes for use in measuring the change. A method of making an electric field sensing device. The method includes depositing on a substrate a sensing medium capable of experiencing a change in its electrical resistivity in response to an electric field emitted by an object; and placing electrodes for use in measuring the change. An electric field sensing system. The system contains a plurality electric field sensing devices, an arrangement of the plurality sensing devices in a way to detect spatial variation of electric field emitted by objects in an environment; a computer system capable of monitoring the sensing devices, and detecting and comparing differences between the electrical fields sensed by individual devices.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: July 12, 2022
    Assignee: Purdue Research Foundation
    Inventors: Shriram Ramanathan, Zhen Zhang, Derek Karl Schwanz
  • Patent number: 11387854
    Abstract: A communication interference rejection system, comprising a dual data rate (DDR) receiver operatively connected to a device connected to a body of a user. The DDR receiver is configured to receive a signal transmitted through the body of the user, with the signal comprising a relatively substantially small constant amplitude component and a relatively large sinusoidal or modulated interference component, said interference component due to human body antenna effect. The receiver integrates the signal and sample at a sampling time, with the sampling time defined as Ts=n/Finterference, wherein Finterference is the frequency of the modulated interference component and n is an integer.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: July 12, 2022
    Assignee: Purdue Research Foundation
    Inventor: Shreyas Sen
  • Patent number: 11384025
    Abstract: Thermally-conductive ceramic and ceramic composite components suitable for high temperature applications, systems having such components, and methods of manufacturing such components. The thermally-conductive components are formed by a displacive compensation of porosity (DCP) process and are suitable for use at operating temperatures above 600° C. without a significant reduction in thermal and mechanical properties.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: July 12, 2022
    Assignee: Purdue Research Foundation
    Inventors: Kenneth Henry Sandhage, Asegun Sekou Henry
  • Publication number: 20220214462
    Abstract: A printed radiation sensor that includes a substrate, an interdigitated electrode, and a conductive polymeric film. The interdigitated electrode including a first electrode with a plurality of first electrode digits and a second electrode with a plurality of second electrode digits. The interdigitated electrode disposed on the substrate. The conductive polymeric film including a blend of poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) and polyvinyl alcohol (PVA). The PEDOT:PSS is configured to provide an electrically conductive medium. The PVA is configured to provide ductility and stability of the printed radiation sensor. Upon radiation exposure, the PVA is further configured to crosslink within a material matrix of the printed radiation sensor militating against the recombination of chain scission by forming a semi-interpenetrating polymer network (SIPN) with the PEDOT:PSS to provide an enhanced and stable impedance reading.
    Type: Application
    Filed: January 5, 2022
    Publication date: July 7, 2022
    Applicant: Purdue Research Foundation
    Inventor: Rahim Rahimi
  • Publication number: 20220213228
    Abstract: The present disclosure generally relates to a process for manufacturing a processable dried cellulose nanomaterial using a co-solvent of tert-butyl alcohol (TBA), of which unique physical/chemical properties enable facile modification/derivatization. This present disclosure also relates to materials and process of generating of superhydrophobic surface coating using hydrophobic carboxylic acid modified cellulose nanofibers. Both the processes and the products thereof are within the scope of this disclosure.
    Type: Application
    Filed: May 15, 2020
    Publication date: July 7, 2022
    Applicant: Purdue Research Foundation
    Inventors: Alexander Wei, Tae Hoo Chang, Miran Mavlan
  • Publication number: 20220213047
    Abstract: The invention described generally relates to novel therapeutic compounds, and in particular to carbonic anhydrase inhibitors as an antibiotic against Neisseria gonorrhea bacteria and methods for treating those sexually transmitted infection diseases in mammals using the described carbonic anhydrase inhibitors having a formula (I), or a pharmaceutical formulation thereof, alone or together with one or more other antibiotics.
    Type: Application
    Filed: December 16, 2021
    Publication date: July 7, 2022
    Applicant: Purdue Research Foundation
    Inventors: Daniel P. Flaherty, Mohamed Seleem
  • Patent number: 11380845
    Abstract: A method of making a semi-conducting microfiber. The method includes melting a semi-conducting solid polymer material to form a polymer melt, dipping a tip of a tool into the polymer melt, and lifting the tip of the tool away from the polymer melt, forming a microfiber. A semiconducting microfiber. The semiconducting microfiber contains a non-conjugated semiconducting polymer matrix containing crystalline aggregates with intentionally placed conjugation-break spacers along the polymer backbone. A device containing a plurality of semiconducting microfibers. Each of the semiconducting fibers contains a non-conjugated semiconducting polymer matrix containing crystalline aggregates with intentionally placed conjugation-break spacers along the polymer backbone. An apparatus to make a semiconducting microfiber.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: July 5, 2022
    Assignee: Purdue Research Foundation
    Inventors: Jianguo Mei, Yan Zhao
  • Patent number: 11380534
    Abstract: The invention generally relates to sample analysis systems and methods of use thereof. In certain aspects, the invention provides a system for analyzing a sample that includes an ion generator configured to generate ions from a sample. The system additionally includes an ion separator configured to separate at or above atmospheric pressure the ions received from the ion generator without use of laminar flowing gas, and a detector that receives and detects the separated ions.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: July 5, 2022
    Assignee: Purdue Research Foundation
    Inventors: Robert Graham Cooks, Zane Baird, Pu Wei
  • Patent number: 11376428
    Abstract: Systems and techniques can prevent reflux induced laryngospasm and the pathologies resulting therefrom, including (but not limited to) sudden death in epilepsy (SUDEP) and sudden infant death syndrome (SIDS).
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: July 5, 2022
    Assignee: Purdue Research Foundation
    Inventors: Pedro Irazoqui, Ryan Benjamin Budde, Daniel Pederson
  • Patent number: 11380069
    Abstract: A method of operating an augmented reality (AR) system includes capturing images of a first real-world workspace using a camera of a first head mounted AR device of the AR system being worn by a first user, processing the images using a first processor of the AR system to identify physical objects in the first real-world workspace and detect 3D positions of the identified physical objects in a 3D space corresponding to the first real-world workspace, rendering virtual objects representing the identified physical objects on the display of the first head mounted AR device at the respective 3D positions for the identified physical objects, manipulating a first one of the virtual objects using at least one hand-held controller of the AR system in a manner that mimics a performance of a first procedural task using the physical object associated with the first one of the virtual objects, recording the manipulation of the first one of the virtual objects that mimics the performance of the first procedural task as fi
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: July 5, 2022
    Assignee: Purdue Research Foundation
    Inventors: Karthik Ramani, Subramaniam Chidambaram, Hank Huang, Fengming He
  • Patent number: 11376712
    Abstract: Processes for producing peening media, the peening media produced from such processes, and methods of using such media. Particles are provided having surfaces that are formed of or contain a metal that exhibits solubility for oxygen in a metallic phase so as to increase in surface hardness as a result of solid solution strengthening due to oxidizing of the surfaces of the particles. The particles are subjected to a thermal process in an oxygen-containing atmosphere at a process temperature and for a process duration sufficient to oxidize the surfaces of the particles to increase the surface hardness of the particles while not forming an oxide layer that encases the particles.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: July 5, 2022
    Assignee: Purdue Research Foundation
    Inventors: David A. Brice, David F. Bahr