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The term “specific activity” is defined as the amount of radioactivity – or the decay rate – of a particular radionuclide per unit mass of the radionuclide. For example, the specific activity of Ra-226 is 1, meaning that one gram of Ra-226 contains one (1) curie (assumed to be uni...
1. radioactivity per unit mass of the stated element or compound; 2. for an enzyme, the amount of substrate consumed (or product formed) in a given time under given conditions per milligram of protein; 3. activity per unit mass of the stated radionuclide. Farlex Partner Medical Dictionar...
radioactivitycarbon dioxideGeiger Muller countermetalsstandardscarbon isotopesmonitoringbased on the liberation of radioactive carbon dioxide by the action of concentrated sulphuric acid followed by the continuous monitoring of the carbon dioxide in the stream of carrier gas by a flow monitoring Geiger ...
The radium equivalent activity (Ra eq), the absorbed dose rate ( D), the external hazard index ( H ex) and the annual gonadal dose equivalent were also calculated and compared to the international recommended values. Radon exhalation rate from the rock samples were measured using the activated...
The determination of the specific activity (S.A.) of inorganic phosphorus* present in a tissue extract involves its quantitative separation from organophosphates and the subsequent measurement of the radioactivity. Measurement of inorganic P The presence of ergothioneine in erythrocytes is well established...
specific activity modelConcentrations of organically bound tritium (OBT) and tissue-free water tritium (TFWT, also referred to as HTO) in fruits and tube... VY Korolevych,SB Kim - 《Journal of Environmental Radioactivity》 被引量: 31发表: 2013年 Isotopic Composition of Atmospheric Hydrogen and...
Direct determination of apolipoprotein C-III specific activity using immunoaffinity chromatography. Methods in Enzymology. 129: 457-469.Le et al., " Direct determination of apoC-III specific activity using immunoaffinity chromatography " (1986) Methods Enzymol. 129:457-469....
Specific Activity of Carbon Dioxide expired by Rats after Oral Sucrose and Other Sugarsanimal modelscarbon dioxidefructosegelatinglucosemetabolismoral administrationradioactivitysucrosesugarsA COMPARISON of the rates at which the respiratory quotient (RQ) rises after various sugars are given by mouth to ...
Various physicochemical investigations indicated that tritiated peptide is identical with the nativeβh-endorphin. In addition, opiate activity of the tritiated product possesses the same potency as the native peptide.关键词:guinea pig ileum iodinated&beta h-endorphin tritium ...