Patents by Inventor Muthunadar Periasamy

Muthunadar Periasamy 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).

  • Publication number: 20080056989
    Abstract: Highly hydrophilic indole and benzoindole derivatives that absorb and fluoresce in the visible region of light are disclosed. These compounds are useful for physiological and organ function monitoring. Particularly, the molecules of the invention are useful for optical diagnosis of renal and cardiac diseases and for estimation of blood volume in vivo.
    Type: Application
    Filed: July 17, 2007
    Publication date: March 6, 2008
    Applicant: MALLINCKRODT, INC.
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard Dorshow, Joseph Bugaj, Muthunadar Periasamy
  • Publication number: 20080008655
    Abstract: Cyanine dye bioconjugates useful for diagnostic imaging and therapy are disclosed. The conjugates include several cyanine dyes with a variety of bis- and tetrakis (carboxylic acid) homologs. The compounds may be conjugated to bioactive peptides, carbohydrates, hormones, drugs, or other bioactive agents. The small size of the compounds allows more favorable delivery to tumor cells as compared to larger molecular weight imaging agents. The various dyes are useful over the range of 350 to 1300 nm, the exact range being dependent upon the particular dye. The use of dimethylsulfoxide helps to maintain the fluorescence of the compounds. The inventive compounds are useful for diagnostic imaging and therapy, in endoscopic applications for the detection of tumors and other abnormalities, for localized therapy, for photoacoustic tumor imaging, detection and therapy, and for sonofluoresence tumor imaging, detection and therapy.
    Type: Application
    Filed: March 5, 2007
    Publication date: January 10, 2008
    Applicant: MALLINCKRODT INC.
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard Dorshow, Joseph Bugaj, Muthunadar Periasamy
  • Publication number: 20070269373
    Abstract: Highly hydrophilic indole and benzoindole derivatives that absorb and fluoresce in the visible region of light are disclosed. These compounds are useful for physiological and organ function monitoring. Particularly, the molecules of the invention are useful for optical diagnosis of renal and cardiac diseases and for estimation of blood volume in vivo.
    Type: Application
    Filed: July 16, 2007
    Publication date: November 22, 2007
    Applicant: MALLINCKRODT, INC.
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard Dorshow, Joseph Bugaj, Muthunadar Periasamy
  • Publication number: 20070269368
    Abstract: Highly hydrophilic indole and benzoindole derivatives that absorb and fluoresce in the visible region of light are disclosed. These compounds are useful for physiological and organ function monitoring. Particularly, the molecules of the invention are useful for optical diagnosis of renal and cardiac diseases and for estimation of blood volume in vivo.
    Type: Application
    Filed: July 16, 2007
    Publication date: November 22, 2007
    Applicant: MALLINCKRODT, INC.
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard Dorshow, Joseph Bugaj, Muthunadar Periasamy
  • Publication number: 20070140962
    Abstract: Highly hydrophilic indole and benzoindole derivatives that absorb and fluoresce in the visible region of light are disclosed. These compounds are useful for physiological and organ function monitoring. Particularly, the molecules of the invention are useful for optical diagnosis of renal and cardiac diseases and for estimation of blood volume in vivo.
    Type: Application
    Filed: February 12, 2007
    Publication date: June 21, 2007
    Applicant: MALLINCKRODT INC.
    Inventors: Samuel Achilefu, Raghaven Rajagopalan, Richard Dorshow, Joseph Bugaj, Hermo Jimenez, Muthunadar Periasamy
  • Publication number: 20050281741
    Abstract: Cyanine and Indocyanine dye compounds and bioconjugates are disclosed. The present invention includes several cyanine and indocyanine dyes, including bioconjugates of the same, with a variety of bis- and tetrakis (carboxylic acid) homologues. The compounds of the invention may be conjugated to bioactive peptides, carbohydrates, hormones, drugs, or other bioactive agents. The small size of compounds of the invention allows favorable delivery to tumor cells as compared to larger molecular weight imaging agents. Further, use of a biocompatible organic solvent such as dimethylsulfoxide may be said to assist in maintaining the fluorescence of compounds of the invention.
    Type: Application
    Filed: March 9, 2005
    Publication date: December 22, 2005
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard Dorshow, Joseph Bugaj, Muthunadar Periasamy
  • Publication number: 20050271592
    Abstract: Cyanine and indocyanine dye compounds and bioconjugates are disclosed. The present invention includes several cyanine and indocyanine dyes, including bioconjugates of the same, with a variety of bis- and tetrakis (carboxylic acid) homologues. The compounds of the invention may be conjugated to bioactive peptides, carbohydrates, hormones, drugs, or other bioactive agents. The small size of compounds of the invention allows favorable delivery to tumor cells as compared to larger molecular weight imaging agents. Further, use of a biocompatible organic solvent such as dimethylsulfoxide may be said to assist in maintaining the fluorescence of compounds of the invention.
    Type: Application
    Filed: June 6, 2005
    Publication date: December 8, 2005
    Inventors: Samuel Achilefu, Raghavan Rajagopalan, Richard Dorshow, Joseph Bugaj, Muthunadar Periasamy