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Nuclear Transmutation03:20

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Nuclear transmutation is the conversion of one nuclide into another. It can occur by the radioactive decay of a nucleus, or the reaction of a nucleus with another particle. The first manmade nucleus was produced in Ernest Rutherford’s laboratory in 1919 by a transmutation reaction, the bombardment of one type of nuclei with other nuclei or with neutrons. Rutherford bombarded nitrogen-14 atoms with high-speed α particles from a natural radioactive isotope of radium and observed protons being...
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PET with non-standard nuclides.

Guiyang Hao1, Ajay N Singh, Wei Liu

  • 1Department of Radiology, University of Texas Southwestern Medical Center at Dallas, 2201 Inwood Road, Texas 75390-8542, USA.

Current Topics in Medicinal Chemistry
|April 15, 2010
PubMed
Summary
This summary is machine-generated.

Non-standard positron emission tomography (PET) nuclides expand tracer development beyond standard options. This review details their production, radiochemistry, and applications for advanced PET research and clinical studies.

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Area of Science:

  • Nuclear medicine
  • Radiochemistry
  • Medical imaging

Background:

  • The use of positron emission tomography (PET) scanners is increasing, driving the exploration of non-standard PET nuclides.
  • These nuclides complement standard PET isotopes ((15)O, (13)N, (11)C, (18)F), enabling diverse PET tracer design.
  • Non-standard nuclides offer unique properties but require careful selection due to high-energy emissions and varying half-lives.

Purpose of the Study:

  • To review recently reported non-standard PET nuclides for research and clinical applications.
  • To highlight the unique production methods, radiochemical procedures, and applications of these nuclides.
  • To discuss the drawbacks and practical considerations for using non-standard PET nuclides.

Main Methods:

  • Literature review of non-standard PET nuclides in preclinical and clinical studies.
  • Analysis of nuclide production techniques and radiochemical synthesis pathways.
  • Evaluation of application-specific advantages and limitations.

Main Results:

  • Numerous non-standard PET nuclides have emerged, expanding the scope of PET imaging.
  • Existing radiochemistry procedures for SPECT/gamma scintigraphy are often adaptable.
  • Each nuclide presents specific advantages and challenges regarding production, handling, and application.

Conclusions:

  • Non-standard PET nuclides are crucial for developing novel PET tracers and advancing biological research.
  • Judicious selection based on application, production, and radiochemistry is essential for successful implementation.
  • Further research into optimizing production and application protocols for these nuclides is warranted.