Patents by Inventor Todd M. Alam
Todd M. Alam 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).
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Patent number: 11215686Abstract: Electrochemical devices with metal casings have been considered incompatible with nuclear magnetic resonance (NMR) spectroscopy because the oscillating magnetic fields (“rf fields”) responsible for excitation and detection of NMR active nuclei do not penetrate metals. According to the present invention, rf fields can still efficiently penetrate into nonmetallic layers of electrochemical cells (such as a coin cell battery configuration) provided the magnetic field is oriented tangentially to the electrochemical cell electrodes in a “skimming” orientation. As an example, noninvasive high field in situ 7Li and 19F NMR of an unmodified commercial off-the-shelf rechargeable coin cell was demonstrated using a traditional external NMR coil setup. The in operando NMR measurements revealed that irreversible physical changes accumulate at the anode during electrochemical cycling.Type: GrantFiled: February 2, 2021Date of Patent: January 4, 2022Assignees: National Technology & Engineering Solutions of Sandia, LLC, ABQMR, Inc.Inventors: Eric Glenn Sorte, Mark S. Conradi, Brennan J. Walder, Todd M. Alam
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Publication number: 20210318401Abstract: Electrochemical devices with metal casings have been considered incompatible with nuclear magnetic resonance (NMR) spectroscopy because the oscillating magnetic fields (“rf fields”) responsible for excitation and detection of NMR active nuclei do not penetrate metals. According to the present invention, rf fields can still efficiently penetrate into nonmetallic layers of electrochemical cells (such as a coin cell battery configuration) provided the magnetic field is oriented tangentially to the electrochemical cell electrodes in a “skimming” orientation. As an example, noninvasive high field in situ 7Li and 19F NMR of an unmodified commercial off-the-shelf rechargeable coin cell was demonstrated using a traditional external NMR coil setup. The in operando NMR measurements revealed that irreversible physical changes accumulate at the anode during electrochemical cycling.Type: ApplicationFiled: February 2, 2021Publication date: October 14, 2021Inventors: Eric Glenn Sorte, Mark S. Conradi, Brennan J. Walder, Todd M. Alam
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Patent number: 9958516Abstract: A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid.Type: GrantFiled: March 26, 2014Date of Patent: May 1, 2018Assignees: ABQMR, Inc., Sandia Corporation, STC.UNMInventors: Laurel Sillerud, Todd M. Alam, Andrew F. McDowell
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Patent number: 9194921Abstract: A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid.Type: GrantFiled: December 17, 2012Date of Patent: November 24, 2015Assignees: STC.UNM, Sandia Corporation, ABQMR, Inc.Inventors: Laurel Sillerud, Todd M. Alam, Andrew F. McDowell
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Publication number: 20140295486Abstract: A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid.Type: ApplicationFiled: March 26, 2014Publication date: October 2, 2014Applicant: STC.UNMInventors: Laurel Sillerud, Todd M. Alam, Andrew F. McDowell
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Patent number: 8698494Abstract: A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid.Type: GrantFiled: February 25, 2013Date of Patent: April 15, 2014Assignee: STC.UNMInventors: Laurel Sillerud, Todd M. Alam, Andrew F. McDowell
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Patent number: 8384381Abstract: A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid.Type: GrantFiled: March 9, 2010Date of Patent: February 26, 2013Assignee: STC . UNMInventors: Laurel Sillerud, Todd M. Alam, Andrew F. McDowell
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Patent number: 8339135Abstract: A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid.Type: GrantFiled: August 21, 2007Date of Patent: December 25, 2012Assignee: STC.UNMInventors: Laurel Sillerud, Todd M. Alam, Andrew F. McDowell
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Publication number: 20100219824Abstract: A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid.Type: ApplicationFiled: March 9, 2010Publication date: September 2, 2010Applicant: STC.UNMInventors: Laurel Sillerud, Todd M. Alam, Andrew F. McDowell
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Publication number: 20080204022Abstract: A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid.Type: ApplicationFiled: August 21, 2007Publication date: August 28, 2008Inventors: Laurel O. Sillerud, David P. Adams, John D. Williams, Todd M. Alam, Andrew F. McDowell, Natalie L. Adolphi