Development and evaluation of a novel germanium-68/gallium-68 generator
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The work Development and evaluation of a novel germanium-68/gallium-68 generator represents a distinct intellectual or artistic creation found in Missouri University of Science & Technology Library. This resource is a combination of several types including: Work, Language Material, Books.
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Development and evaluation of a novel germanium-68/gallium-68 generator
Resource Information
The work Development and evaluation of a novel germanium-68/gallium-68 generator represents a distinct intellectual or artistic creation found in Missouri University of Science & Technology Library. This resource is a combination of several types including: Work, Language Material, Books.
- Label
- Development and evaluation of a novel germanium-68/gallium-68 generator
- Statement of responsibility
- by Yu-Wen Chang
- Language
- eng
- Summary
- The aim of this research is to evaluate Fajans adsorption technique to deliver 68Ga in a high concentration, low volume with minimal impurities including 68Ge breakthrough and other metals. First carrier-free stock solutions and stock solutions containing three different concentrations of carrier were tested. Here the stock solution containing 68Ge:Ge ratio of 1:20K, 1:200K, and 1:2KK was represented as 20K, 200K and 2KK fold carrier-added stock solution respectively. The optimized concentration level of carrier was utilized for further tests at four different pH values and two different buffers. The Fajans system was evaluated with two different adsorbents and two column bed sizes. In addition, we investigated a carrier-free with acetone added stock solution. The optimized conditions were determined to be that the 200K fold carrier stock solution in NaOAc buffer at pH 5.6 is the most suitable condition for 1.0 ml BSi beads to obtain the highest 68Ga yield (90%) and the lowest 68Ge breakthrough (0.009%) in the daughter product. At pH 5.6 stock solutions, the optimized conditions for acetone added stock solution were determined to be 10% acetone at NH4OAc buffer for 1.0 ml BSi beads (92% 68Ga yield and 0.04% 68Ge breakthrough) and 50% acetone at NH4OAc buffer for 0.2 ml BSi beads (82% 68Ga yield and 0.03% 68Ge breakthrough). The addition of carrier germanium to the 68Ge/68Ga solution did help in decreasing the amount of 68Ge detected in the wash and strip solutions. The progressive lowering of metals detected in the strip solutions collected from the BSi beads Fajans adsorption generator points towards a very workable separation system
- Cataloging source
- MUU
- Degree
- Ph. D.
- Dissertation year
- 2009.
- Granting institution
- University of Missouri--Columbia
- Index
- no index present
- Literary form
- non fiction
- Nature of contents
-
- dictionaries
- bibliography
- theses
- Target audience
- specialized
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