Patents by Inventor Margaret Maclennan

Margaret Maclennan 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: 7588670
    Abstract: An enzymatic electrochemical-based sensor includes a substrate and a conductive layer formed from a dried water-miscible conductive ink. The water-miscible conductive ink used to form the conductive layer includes a conductive material, an enzyme, a mediator, and a binding agent and is formulated such that the water-miscible conductive ink is a water-miscible aqueous-based dispersion and the binding agent became operatively water-insoluble upon drying.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: September 15, 2009
    Assignee: LifeScan Scotland Limited
    Inventors: James Iain Rodgers, Zuifang Liu, Alan Watson McNeilage, Margaret MacLennan, James Moffat, Geoffrey Lillie, Michael MacDonald
  • Patent number: 7465380
    Abstract: A water-miscible conductive ink for use in enzymatic electrochemical-based sensors includes a conductive material, an enzyme, a mediator and a binding agent. The conductive material, enzyme, mediator, and binding agent are formulated as a water-miscible aqueous-based dispersion wherein the binding agent becomes operatively water-insoluble upon drying.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: December 16, 2008
    Assignee: Lifescan Scotland, Ltd.
    Inventors: James Iain Rodgers, Zuifang Liu, Alan Watson McNeilage, Margaret MacLennan, James Moffat, Geoffrey Lillie, Michael MacDonald
  • Patent number: 7402616
    Abstract: A fusible conductive ink for use in manufacturing microfluidic analytical systems includes micronised powder containing platinum and carbon, poly(bisphenol A-co-epichlorohydrin)-glycidyl end capped polymer, and a solvent. In addition, the ratio of micronised powder to poly(bisphenol A-co-epichlorohydrin)-glycidyl end capped polymer is in the range of 3:1 to 1:3. The fusible conductive inks can be employed in the manufacturing of microfluidic systems to form electrodes, electrically conductive traces and/or electrically conductive contact pads.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: July 22, 2008
    Assignee: Lifescan, Inc.
    Inventors: James Iain Rodgers, Margaret Maclennan, James Moffat, Alan McNeilage
  • Publication number: 20060226008
    Abstract: A water-miscible conductive ink for use in enzymatic electrochemical-based sensors includes a conductive material, an enzyme, a mediator and a binding agent. The conductive material, enzyme, mediator, and binding agent are formulated as a water-miscible aqueous-based dispersion wherein the binding agent becomes operatively water-insoluble upon drying.
    Type: Application
    Filed: April 28, 2005
    Publication date: October 12, 2006
    Inventors: James Rodgers, Zuifang Liu, Alan McNeilage, Margaret MacLennan, James Moffat, Geoffrey Lillie, Michael MacDonald
  • Publication number: 20060226007
    Abstract: A method for manufacturing a portion of an enzymatic electrochemical-based sensor includes applying a water-miscible conductive ink to a substrate of an enzymatic electrochemical-based sensor. The water-miscible conductive ink includes a conductive material, an enzyme, a mediator, and a binding agent (that becomes operatively water-insoluble upon drying) formulated as a water-miscible aqueous-based dispersion. The method further includes the drying the water-miscible conductive ink to form a conductive layer on the substrate that includes an operatively water-insoluble binding agent.
    Type: Application
    Filed: April 28, 2005
    Publication date: October 12, 2006
    Inventors: James Rodgers, Zuifang Liu, Alan McNeilage, Margaret MacLennan, James Moffat, Geoffrey Lillie, Michael MacDonald
  • Publication number: 20060226006
    Abstract: An enzymatic electrochemical-based sensor includes a substrate and a conductive layer formed from a dried water-miscible conductive ink. The water-miscible conductive ink used to form the conductive layer includes a conductive material, an enzyme, a mediator, and a binding agent and is formulated such that the water-miscible conductive ink is a water-miscible aqueous-based dispersion and the binding agent became operatively water-insoluble upon drying.
    Type: Application
    Filed: April 28, 2005
    Publication date: October 12, 2006
    Inventors: James Rodgers, Zuifang Liu, Alan McNeilage, Margaret MacLennan, James Moffat, Geoffrey Lillie, Michael MacDonald
  • Publication number: 20060065361
    Abstract: A method for manufacturing an analysis module with accessible electrically conductive contact pads includes forming an insulating substrate with an upper surface, a microchannel(s) within the upper surface, and electrically conductive contact pad(s) disposed on the upper surface. The method also includes producing a laminate layer with a bottom surface, electrode(s) on the laminate layer bottom surface, and electrically conductive trace(s) on the laminate layer bottom surface. The method further includes adhering the laminate layer to the insulating substrate such that a portion of the bottom surface of the laminate layer is adhered to a portion of the upper surface of the insulating substrate, each electrode is exposed to at least one microchannel; and each electrically conductive trace is electrically contacted to at least one electrically conductive contact pad.
    Type: Application
    Filed: September 30, 2004
    Publication date: March 30, 2006
    Inventors: Matthias Stiene, Tanja Richter, James Rodgers, Margaret MacLennan, James Moffat, Alan McNeilage
  • Publication number: 20060065532
    Abstract: A microfluidic analytical system for monitoring an analyte (such as glucose) in a fluid sample (e.g., blood or ISF) includes an analysis module and an electrical device (for example, a meter or power supply). The analysis module includes an insulating substrate and a microchannel(s) within the insulating substrate's upper surface. The analysis module also includes a conductive contact pad(s) disposed on the upper surface of the insulating substrate and an electrode(s), with the electrode(s) being disposed over the microchannel. In addition, the analysis module includes an electrically conductive trace(s) that electrically connects the electrode to at least one electrically conductive contact pad. The analysis module also has a laminate layer disposed over the electrode, the electrically conductive trace, the microchannel and a portion of the upper surface of the insulating substrate.
    Type: Application
    Filed: September 30, 2004
    Publication date: March 30, 2006
    Inventors: Matthias Stiene, Tanja Richter, James Rodgers, Margaret MacLennan, James Moffat, Alan McNeilage