Abstract: A method for detecting antigen associated with adenocarcinoma commences by forming a 124I conjugate of a preferential locator, such as an antibody, and introducing the conjugate into a patient suspected of having adenocarcinoma. Positron emission tomography (PET) scanning of the patient reveals sites of accumulated conjugate, such sites including lymph nodes. The course of treatment of the patient then is determined by the amount of revealed lymph nodes.
Abstract: System, method and apparatus wherein a probe employing non-imagining optics is utilized in conjunction with a fluorescing (e.g., nanocrystal) tracer at the body of a patient. Excitation components within the probe working end are utilized to excite the nanocrystals to fluoresce at wavelengths in the near infrared region, such fluorescent energy is homogenized by interacting with involved tissue to provide a uniform fluorescing intensity over the surface of a photo-detector. Initialization and background determination procedures are described along with a technique for determining statistically significant levels of fluorescing activity.
Type:
Grant
Filed:
October 3, 2007
Date of Patent:
June 15, 2010
Assignee:
Actis, Ltd.
Inventors:
Marlin O. Thurston, Helen Thurston, legal representative, Karl W. Olson
Abstract: System, method and apparatus wherein a probe employing non-imagining optics is utilized in conjunction with a fluorescing nanocrystal tracer at the body of a patient. Excitation components within the probe working end are utilized to excite the nanocrystals to fluoresce at wavelengths in the near infrared region, such fluorescent energy is homogenized by interacting with involved tissue to provide a uniform fluorescing intensity over the surface of a photo-detector. Initialization and background determination procedures are described along with a technique for determining statistically significant levels of fluorescing activity.
Abstract: A method for detecting gold or other nanoparticles conjugated to preferential locators commences by contacting tissue suspected of being neoplastic with gold nanoparticle/preferential locator conjugates for a time adequate for the conjugates to bind with the tissue. A beam of gamma photons (such as from, 99mTc) is directed at the conjugate bound tissue to remove electrons from the K-shell or L-shell, for example, of the gold nanoparticles. The removed electrons can be detected for locating neoplastic tissue or X-ray fluorescence corresponding to an electron transitioning from one shell to another shell can be detected, or by detecting resulting X-ray fluorescence corresponding to an electron transitioning from one shell to another shell, such as X-ray fluorescence arising from K-alpha emission corresponding to an electron transitioning from the L shell to the K shell. Additional X-ray fluorescing detecting molecules include Ag, I, Fe, Tc, Zn, Mn, Cr (trivalent).
Type:
Application
Filed:
February 5, 2009
Publication date:
August 20, 2009
Applicants:
Actis, Ltd, The Ohio State University
Inventors:
Marlin O. Thurston, Vishwanath V. Subramaniam
Abstract: System, method and apparatus wherein a probe employing non-imagining optics is utilized in conjunction with a fluorescing (e.g., nanocrystal) tracer at the body of a patient. Excitation components within the probe working end are utilized to excite the nanocrystals to fluoresce at wavelengths in the near infrared region, such fluorescent energy is homogenized by interacting with involved tissue to provide a uniform fluorescing intensity over the surface of a photo-detector. Initialization and background determination procedures are described along with a technique for determining statistically significant levels of fluorescing activity.
Type:
Application
Filed:
October 3, 2007
Publication date:
November 13, 2008
Applicant:
Actis, Ltd.
Inventors:
Marlin O. Thurston, Helen Thurston, Karl W. Olson
Abstract: System, method and apparatus wherein a probe employing non-imagining optics is utilized in conjunction with a fluorescing nanocrystal tracer at the body of a patient. Excitation components within the probe working end are utilized to excite the nanocrystals to fluoresce at wavelengths in the near infrared region, such fluorescent energy is homogenized by interacting with involved tissue to provide a uniform fluorescing intensity over the surface of a photo-detector. Initialization and background determination procedures are described along with a technique for determining statistically significant levels of fluorescing activity.