Patent 7264791 was granted and assigned to Korea Atomic Energy Research Institute on September, 2007 by the United States Patent and Trademark Office.
The present invention relates to a preparation method for technetium-antimony trisulfide nanocolloid, more precisely, a preparation method for technetium-antimony trisulfide nanocolloid which is characterized by the processes of mixing and stirring or irradiating of pertechnetate and antimony sulfide nanocolloid in the presence of borohydride exchange resin to obtain the technetium-antimony trisulfide nanocolloid radioactive complex.