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Indium-111 (111 In) is a radioactive isotope of indium (In). It decays by electron capture to stable cadmium-111 with a half-life of 2.8 days. [3] Indium-111 chloride (111 InCl) solution is produced by proton irradiation of a cadmium target (112 Cd(p,2n) or 111 Cd(p,n)) in a cyclotron, as recommended by International Atomic Energy Agency (IAEA). [4]
The indium white blood cell scan is a nuclear medicine procedure in which white blood cells (mostly neutrophils) are removed from the patient, tagged with the radioisotope Indium-111, and then injected intravenously into the patient. The tagged leukocytes subsequently localize to areas of relatively new infection.
Indium-111 is also used in indium white blood cell scans, which use nuclear medical techniques to search for hidden infections. Several proton-rich isotopes of indium (including indium-99) have been used to measure the mass of the doubly-magic isotope tin-100. [5] [6]
The indium-111 pentetreotide radiopharmaceutical is prepared from a kit in a radiopharmacy. Pentetreotide is a DTPA conjugate of octreotide. [6] [11] Approximately 200 megabecquerels (MBq) of indium-111 is injected intravenously. Imaging takes place 24 hours after injection, but may also be carried out at 4 and 48 hours. [7] [12]
Indium (111 In) capromab pendetide (trade name Prostascint) is used to image the extent of prostate cancer. [1] Capromab is a mouse monoclonal antibody which recognizes a protein found on both prostate cancer cells and normal prostate tissue.
The stable indium isotope, indium-113, is one of the p-nuclei, the origin of which is not fully understood; although indium-113 is known to be made directly in the s- and r-processes (rapid neutron capture), and also as the daughter of very long-lived cadmium-113, which has a half-life of about eight quadrillion years, this cannot account for ...
Due to longstanding pushback and controversial health studies surrounding the ingredient, many processed food manufacturers have already shifted away from using Red Dye No. 3, opting instead for ...
Immunoscintigraphy is performed using a variety of radiopharmaceuticals, for a large range of purposes. Colorectal cancer is one of the most studied areas, with indium-111 or technetium-99m labelled epitopes of the carcinoembryonic antigen. [3]