Determination of ruthenium on DNA by XRF
Copyright policy )Determination of ruthenium on DNA by XRF
An X-ray fluorescence (XRF) technique is used to quantitate the binding of [H2O(NH3)5Ru(II)](2+) to DNA. This method is shown to be more sensitive, precise, and convenient than conventional optical absorption (OA) spectroscopy, differential pulse voltammetry (DPV), or atomic absorption (AA) techniques. X-ray fluorescence is insensitive to the oxidation state or coordination environment of Ru and so can be used to determine total Ru. The minimum detectable amount of Ru is 10 ng in 1 h of counting time, using a 100-mCi(125)I source. The specific advantages of the XRF method over the conventional methods are outlined.
- Boston College United States
- University of North Texas United States
- Brookhaven National Laboratory United States
Sensitivity, Complexes, Chemical Analysis, Thermal, X-Ray Emission Analysis 550604* -- Medicine-- Unsealed Radionuclides In Therapy-- (1980-), Nucleic Acids, 560301 -- Chemicals Metabolism & Toxicology-- Cells-- (-1987), Labelling, And Other Environ. Pollutant Effects On Living Orgs. And Biol. Mat, Antineoplastic Drugs, 59 Basic Biological Sciences, 550201 -- Biochemistry-- Tracer Techniques, Organic Compounds, Drugs, 63 Radiation, Biological Effects, Transition Element Complexes, Dna, X-Ray Fluorescence Analysis, Kinetics, Ruthenium Complexes, & Toxicology, 560160 -- Radionuclide Effects, Nondestructive Analysis, 62 Radiology And Nuclear Medicine
Sensitivity, Complexes, Chemical Analysis, Thermal, X-Ray Emission Analysis 550604* -- Medicine-- Unsealed Radionuclides In Therapy-- (1980-), Nucleic Acids, 560301 -- Chemicals Metabolism & Toxicology-- Cells-- (-1987), Labelling, And Other Environ. Pollutant Effects On Living Orgs. And Biol. Mat, Antineoplastic Drugs, 59 Basic Biological Sciences, 550201 -- Biochemistry-- Tracer Techniques, Organic Compounds, Drugs, 63 Radiation, Biological Effects, Transition Element Complexes, Dna, X-Ray Fluorescence Analysis, Kinetics, Ruthenium Complexes, & Toxicology, 560160 -- Radionuclide Effects, Nondestructive Analysis, 62 Radiology And Nuclear Medicine
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