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Related Concept Videos

Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Positron Emission Tomography01:29

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...

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Related Experiment Video

Updated: Jun 12, 2026

In Vivo Imaging and Tracking of Technetium-99m Labeled Bone Marrow Mesenchymal Stem Cells in Equine Tendinopathy
07:52

In Vivo Imaging and Tracking of Technetium-99m Labeled Bone Marrow Mesenchymal Stem Cells in Equine Tendinopathy

Published on: December 9, 2015

Techniques for technetium scintigraphy in plants.

Geoffrey Currie1, Simon Clarke, Suzy Rogiers

  • 1Faculty of Science, Charles Sturt University, Wagga Wagga, New South Wales, Australia. gcurrie@csu.edu.au

Journal of Nuclear Medicine Technology
|May 21, 2010
PubMed
Summary
This summary is machine-generated.

Scintigraphic imaging offers a non-destructive method to study technetium (Tc) uptake and transport in plants. This technique overcomes limitations of destructive sampling, enabling detailed analysis of plant physiology and vascular transport.

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Measuring Fluxes of Mineral Nutrients and Toxicants in Plants with Radioactive Tracers
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Published on: August 22, 2014

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Measuring Fluxes of Mineral Nutrients and Toxicants in Plants with Radioactive Tracers
13:14

Measuring Fluxes of Mineral Nutrients and Toxicants in Plants with Radioactive Tracers

Published on: August 22, 2014

Area of Science:

  • Plant physiology
  • Radiochemistry
  • Nuclear medicine imaging

Background:

  • Environmental (99)Tc accumulation in plants is a food chain concern.
  • Pertechnetate (TcO(4)(-)) uptake, xylem transport, and leaf reduction are known but mechanistically unclear.
  • Current methods for measuring technetium distribution in plants are often destructive, limiting experimental design.

Purpose of the Study:

  • To explore the technical aspects of applying scintigraphic imaging to plant physiology.
  • To outline methods for introducing radiotracers to plants, including benefits and limitations.
  • To describe strategies for optimizing scintigraphic imaging of plants for studying vascular transport.

Main Methods:

  • Application of scintigraphic imaging for non-destructive plant physiology studies.
  • Introduction of radiotracers, specifically (99m)Tc, to various plant organs.
  • Analysis of plant vascular transport mechanisms using imaging techniques.

Main Results:

  • Scintigraphic imaging provides a viable alternative to destructive sampling for plant physiology research.
  • Successful labeling strategies for (99m)Tc in different plant organs were developed.
  • Unanticipated artifacts during labeling were identified and described.

Conclusions:

  • Scintigraphic imaging is a promising tool for advancing plant physiology research, particularly for studying vascular transport.
  • This technique facilitates repeat-design experiments, enhancing our understanding of plant responses to environmental factors.
  • Optimized imaging strategies are crucial for accurate assessment of plant physiological processes, relevant to water management and biofuel production.