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Heavy Metal-Based Nanoparticles as High-Performance X-ray Computed Tomography Contrast Agents
Mohammad Yaseen Ahmad1, Shuwen Liu1, Tirusew Tegafaw1
1Department of Chemistry, College of Natural Sciences, Kyungpook National University, Taegu 41566, Republic of Korea.
Pharmaceuticals (Basel, Switzerland)
|October 28, 2023
Summary
Heavy metal nanoparticles offer superior X-ray computed tomography (CT) contrast compared to iodine agents. Research reviews their potential as high-performance CT contrast agents, focusing on toxicity and imaging performance.
Area of Science:
- Nanotechnology
- Medical Imaging
- Materials Science
Background:
- X-ray computed tomography (CT) contrast agents enhance diagnostic imaging.
- Current iodine-based agents have limitations.
- Heavy metal nanoparticles (NPs) offer higher X-ray attenuation.
Purpose of the Study:
- To review in vitro and in vivo studies of heavy metal-based NPs for CT contrast enhancement.
- To evaluate their potential as high-performance CT contrast agents.
Main Methods:
- Review of studies on various heavy metal NPs (Au, Pt, Pd, Ag, Ce, Gd, Dy, Ho, Yb, Ta, W, Bi).
- Analysis of X-ray attenuation efficiency from phantom imaging.
- Evaluation of in vivo imaging performance and characteristics like nontoxicity, colloidal stability, and particle size.
Main Results:
- Heavy metal NPs demonstrate higher X-ray attenuation coefficients than iodine.
- Nontoxicity, colloidal stability, and small particle size are crucial for effective CT contrast agents.
- In vitro and in vivo studies confirm the imaging potential of these NPs.
Conclusions:
- Heavy metal-based NPs show significant promise as advanced CT contrast agents.
- Further research into optimizing their properties is warranted for clinical translation.
Keywords:
X-ray attenuationcontrast agentsheavy metal-based nanoparticlesin vitro phantom imagingin vivo imagingMore Related Videos
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