Accession Number : ADD016165

Title :   Method of Determining the Concentration of a Chemical of Interest in a Solution.

Descriptive Note : Patent, Filed 7 Mar 91, patented 7 Dec 93,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Inman, Scott M ; Lieberman, Stephen H ; Stromvall, Erik J

Report Date : 07 Dec 1993

Pagination or Media Count : 11

Abstract : A method determines the concentration of a chemical of interest in a solution. A permeable membrane is placed in the solution and a ligand is exuded through the membrane to continually renew the ligand at the surface of the membrane which is in contact with the solution. Complexes of the ligand with the chemicals of interest are formed where the ligand renewed membrane is in contact with the solution. Illuminating the ligand renewed membrane with radiation from a distance from the membrane induces a fluorescence by the formed complexes on the ligand renewed membrane by the illuminating radiation. The fluorescence from the illuminated complexes on the ligand renewed membrane are detected from a distance from the membrane to provide a determination of the concentration of the chemical of interest in the solution.

Descriptors :   *LIGANDS, *PATENTS, *CONCENTRATION(CHEMISTRY), *OPTICAL DETECTION, CHEMICALS, DETERMINATION, FLUORESCENCE, MEMBRANES, RADIATION, SOLUTIONS(MIXTURES), CHEMICAL INDICATORS, CHEMILUMINESCENCE, PERMEABILITY

Subject Categories : Optical Detection and Detectors
      Physical Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE