نتایج جستجو برای: radioactive isotope
تعداد نتایج: 52673 فیلتر نتایج به سال:
Neutron capture cross sections of unstable isotopes are important for neutron induced nucleosynthesis as well as for technological applications. The Rare Isotope Accelerator (RIA) or comparable facilities will be able to produce radioactive ion beams up to 10 12 particles/s and would therefore be a suitable place for (n,γ) studies on radioactive isotopes with half-lives between days and months....
The development of an enzyme-linked immunosorbent assay (ELISA) for the detection of heat-labile Escherichia coli enterotoxin is described. The assay, which is based on the immunological similarity between Vibrio cholerae toxin and heat-labile E. coli enterotoxin, is similar in design to a radioimmunoassay but utilizes enzyme-labeled rather than radioactive isotope-labeled reagents. The ELISA s...
There are three principal isotopes of carbon which occur naturally C, C (both stable) and C (unstable or radioactive). These isotopes are present in the following amounts C 98.89%, C 1.11%, and C 0.00000000010%. Thus, one carbon-14 atom exists in nature for every 1,000,000,000,000 or (1 in a trillion) carbon-12 atoms in living material. The radiocarbon method is based on the rate of decay of th...
• Intramuscular injection of a small volume of saline containing radioactive, sodium (Na*) was used by Kety for assessing local muscle blood flow. With Xe", a radioactive isotope of the lipophilic inert gas xenon, diffusion equilibrium is better maintained than with the hydrophilic Na* ions, and Xe" clearance studies allow the estimation of local muscle blood flow per unit weight of muscle, e.g...
• Intramuscular injection of a small volume of saline containing radioactive, sodium (Na*) was used by Kety for assessing local muscle blood flow. With Xe", a radioactive isotope of the lipophilic inert gas xenon, diffusion equilibrium is better maintained than with the hydrophilic Na* ions, and Xe" clearance studies allow the estimation of local muscle blood flow per unit weight of muscle, e.g...
As the most ambitious concept of isotope separation on line (ISOL) facility, EURISOL aims at producing unprecedented intensities of post-accelerated radioactive isotopes. Charge breeding, which transforms the charge state of radioactive beams from 1+ to an n+ charge state prior to post-acceleration, is a key technology which has to overcome the following challenges: high charge states for high ...
A patient presented with hyperthyroidism and end-stage renal disease requiring hemodialysis that was difficult to control despite increased dosages of anti-thyroid drugs. The condition could finally be controlled by 131I radioactive iodine therapy (RIT) and hemodialysis provided under a hospital-linkage system. During three hemodialysis sessions after the oral administration of 131I, we measure...
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