Patents by Inventor Bahige G. Abdallah

Bahige G. Abdallah has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10722889
    Abstract: A microfluidic apparatus, systems and methods for microfluidic crystallization based on gradient mixing. In one embodiment, the apparatus includes (a) a first layer, (b) a plurality of first channels and a plurality of vacuum chambers both arranged in the first layer, where the plurality of vacuum chambers are each coupled to at least one of the first channels, (c) a membrane having first and second surfaces, where the first surface of the membrane is coupled to the first layer, (d) a second layer coupled to the second surface of the membrane, (e) a plurality of wells and a plurality of second channels both arranged in the second layer, where the wells are each coupled to at least one of the plurality of second channels and (f) a plurality of barrier walls each disposed in the plurality of second channels and arranged opposite to one of the plurality of vacuum chambers.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: July 28, 2020
    Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
    Inventors: Alexandra Ros, Bahige G. Abdallah
  • Publication number: 20190134631
    Abstract: A microfluidic apparatus, systems and methods for microfluidic crystallization based on gradient mixing. In one embodiment, the apparatus includes (a) a first layer, (b) a plurality of first channels and a plurality of vacuum chambers both arranged in the first layer, where the plurality of vacuum chambers are each coupled to at least one of the first channels, (c) a membrane having first and second surfaces, where the first surface of the membrane is coupled to the first layer, (d) a second layer coupled to the second surface of the membrane, (e) a plurality of wells and a plurality of second channels both arranged in the second layer, where the wells are each coupled to at least one of the plurality of second channels and (f) a plurality of barrier walls each disposed in the plurality of second channels and arranged opposite to one of the plurality of vacuum chambers.
    Type: Application
    Filed: December 31, 2018
    Publication date: May 9, 2019
    Inventors: Alexandra Ros, Bahige G. Abdallah
  • Patent number: 10166542
    Abstract: A microfluidic apparatus, systems and methods for microfluidic crystallization based on gradient mixing. In one embodiment, the apparatus includes (a) a first layer, (b) a plurality of first channels and a plurality of vacuum chambers both arranged in the first layer, where the plurality of vacuum chambers are each coupled to at least one of the first channels, (c) a membrane having first and second surfaces, where the first surface of the membrane is coupled to the first layer, (d) a second layer coupled to the second surface of the membrane, (e) a plurality of wells and a plurality of second channels both arranged in the second layer, where the wells are each coupled to at least one of the plurality of second channels and (f) a plurality of barrier walls each disposed in the plurality of second channels and arranged opposite to one of the plurality of vacuum chambers.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: January 1, 2019
    Assignee: Arizona Board of Regents on behalf of Arizona State University
    Inventors: Alexandra Ros, Bahige G. Abdallah
  • Publication number: 20170297024
    Abstract: A microfluidic apparatus, systems and methods for microfluidic crystallization based on gradient mixing. In one embodiment, the apparatus includes (a) a first layer, (b) a plurality of first channels and a plurality of vacuum chambers both arranged in the first layer, where the plurality of vacuum chambers are each coupled to at least one of the first channels, (c) a membrane having first and second surfaces, where the first surface of the membrane is coupled to the first layer, (d) a second layer coupled to the second surface of the membrane, (e) a plurality of wells and a plurality of second channels both arranged in the second layer, where the wells are each coupled to at least one of the plurality of second channels and (f) a plurality of barrier walls each disposed in the plurality of second channels and arranged opposite to one of the plurality of vacuum chambers.
    Type: Application
    Filed: September 17, 2015
    Publication date: October 19, 2017
    Applicant: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
    Inventors: Alexandra ROS, Bahige G ABDALLAH
  • Patent number: 9192944
    Abstract: A microfluidic device for size-based particle separation and methods for its use, where the microfluidic device comprises: (a) an inlet reservoir, where the inlet reservoir is configured for communication with an inlet electrode, (b) an insulator constriction coupled to the inlet reservoir via a microchannel, where the insulator constriction comprises an insulating material, and (c) a plurality of outlet channels each defining a first end and a second end, where the first end of each of the plurality of outlet channels is coupled to the insulator constriction, where the second end of each of the plurality of outlet channels is coupled to one of a plurality of outlet reservoirs, and where the plurality of outlet reservoirs are configured for communication with one or more outlet electrodes.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: November 24, 2015
    Assignee: Arizona Board of Regents, A Body Corporate of the State of Arizona Acting for and on Behalf of Arizona State University
    Inventors: Alexandra Ros, Bahige G. Abdallah, Tzu-Chiao Chao
  • Publication number: 20140091012
    Abstract: A microfluidic device for size-based particle separation and methods for its use, where the microfluidic device comprises: (a) an inlet reservoir, where the inlet reservoir is configured for communication with an inlet electrode, (b) an insulator constriction coupled to the inlet reservoir via a microchannel, where the insulator constriction comprises an insulating material, and (c) a plurality of outlet channels each defining a first end and a second end, where the first end of each of the plurality of outlet channels is coupled to the insulator constriction, where the second end of each of the plurality of outlet channels is coupled to one of a plurality of outlet reservoirs, and where the plurality of outlet reservoirs are configured for communication with one or more outlet electrodes.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 3, 2014
    Applicant: Arizona Board of Regents, a body corporate of the State of Arizona, Acting for and on behalf of Ariz
    Inventors: Alexandra Ros, Bahige G. Abdallah, Tzu-Chiao Chao