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The main advantage of Technegas, according to Agnew, is that it is there when you want it: ‘For us it’s an availability question,’ he says.‘For people who are suddenly brought into the hospital, in emergencies it’s very, very important.’ The alternative is to use another radioactive isotope, krypton-81m, which is more expensive and is only available at the hospital on two afternoons each week.Burch began work on the system in 1984 on behalf of the Australian Capital Territory Health Commission and later teamed up with Ian Tetley.Technegas machines were in use in Australia in 1985.Burch has limited information about the underlying chemistry of his molecules.
Burch’s system uses carbon molecules as a carrier for a radioisotope, technetium-99m.
Book Description: The discovery of fullerenes, a new allotropic modification of carbon, is a prominent achievement of the late 20th century in chemistry.
In this book, the authors present topical research in the study of the synthesis, properties and applications of fullerene. Petersburg, Russia, and others) Ionic Compounds of Fullerenes Obtained by Synthesis in Solution (D.
Bill Burch, a biomedical engineer at the Australian National University in Canberra, claims to hold the patents along with an industrial partner, Tetley Technologies of Sydney.
Ian Tetley, chairman of the company, believes the patents are strong enough for the Australians to control the world market on the commercial production of the material.