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12 Results Found

  • Article
  • Open Access
13 Citations
4,375 Views
14 Pages

Synthesis and Cytotoxicity Studies on Ru and Rh Nanoparticles as Potential X-Ray Fluorescence Computed Tomography (XFCT) Contrast Agents

  • Yuyang Li,
  • Kian Shaker,
  • Martin Svenda,
  • Carmen Vogt and ,
  • Hans M. Hertz and
  • Muhammet S. Toprak
  • + 1 author+ 0 author

12 February 2020

X-Ray fluorescence computed tomography (XFCT) is an emerging biomedical imaging technique, which demands the development of new contrast agents. Ruthenium (Ru) and rhodium (Rh) have spectrally attractive Kα edge energies, qualifying them as new...

(This article belongs to the Section Synthesis, Interfaces and Nanostructures)
  • Article
  • Open Access
12 Citations
3,644 Views
14 Pages

Synthesis, Physicochemical Characterization, and Cytotoxicity Assessment of Rh Nanoparticles with Different Morphologies-as Potential XFCT Nanoprobes

  • Yuyang Li,
  • Giovanni M. Saladino,
  • Kian Shaker,
  • Martin Svenda and ,
  • Carmen Vogt,
  • Bertha Brodin,
  • Hans M. Hertz and
  • Muhammet S. Toprak
  • + 3 authors+ 0 author

27 October 2020

Morphologically controllable synthesis of Rh nanoparticles (NPs) was achieved by the use of additives during polyol synthesis. The effect of salts and surfactant additives including PVP, sodium acetate, sodium citrate, CTAB, CTAC, and potassium bromi...

(This article belongs to the Special Issue Design of Micro- and Nanoparticles: Self-Assembly and Application)
  • Article
  • Open Access
11 Citations
6,670 Views
14 Pages

X-ray fluorescence computed tomography (XFCT) is a molecular imaging technique that can be used to sense different elements or nanoparticle (NP) agents inside deep samples or tissues. However, XFCT has not been a popular molecular imaging tool becaus...

(This article belongs to the Special Issue X-ray Luminescence and Fluorescence)
  • Article
  • Open Access
3 Citations
2,704 Views
14 Pages

2 December 2022

X-ray fluorescence computed tomography (XFCT) has attracted wide attention due to its ability to simultaneously and nondestructively obtain structural and elemental distribution information within samples. In this paper, we presented an image system...

(This article belongs to the Special Issue Computational Optical Imaging and Its Applications)
  • Article
  • Open Access
3 Citations
3,448 Views
15 Pages

Enabling Low-Dose In Vivo Benchtop X-ray Fluorescence Computed Tomography through Deep-Learning-Based Denoising

  • Naghmeh Mahmoodian,
  • Mohammad Rezapourian,
  • Asim Abdulsamad Inamdar,
  • Kunal Kumar and ,
  • Melanie Fachet and
  • Christoph Hoeschen
  • + 1 author+ 0 author

X-ray Fluorescence Computed Tomography (XFCT) is an emerging non-invasive imaging technique providing high-resolution molecular-level data. However, increased sensitivity with current benchtop X-ray sources comes at the cost of high radiation exposur...

  • Article
  • Open Access
7 Citations
4,536 Views
13 Pages

Reduction of Compton Background Noise for X-ray Fluorescence Computed Tomography with Deep Learning

  • Peng Feng,
  • Yan Luo,
  • Ruge Zhao,
  • Pan Huang and ,
  • Yonghui Li,
  • Peng He,
  • Bin Tang and
  • Xiansheng Zhao
  • + 3 authors+ 0 author

14 February 2022

For bench-top X-ray fluorescence computed tomography (XFCT), the X-ray tube source will bring extreme Compton background noise, resulting in a low signal-to-noise ratio and low contrast detection limit. In this paper, a noise2noise denoising algorith...

(This article belongs to the Special Issue X-ray Luminescence and Fluorescence)
  • Article
  • Open Access
2 Citations
2,980 Views
19 Pages

Some Notes on Dense Structures Present in Archaeological Plant Remains: X-ray Fluorescence Computed Tomography Applications

  • Cristina Marilin Calo,
  • Márcia A. Rizzutto,
  • Carlos A. Pérez,
  • Rogério Machado and ,
  • Cauê G. Ferreira,
  • Natasha F. Aguero,
  • Laura P. Furquim,
  • Eduardo G. Neves and
  • Francisco A. Pugliese
  • + 4 authors+ 0 author

6 September 2022

This study describes the composition and provenance of dense bodies or structures present in uncharred plant vestiges recovered at Monte Castelo (6000–700 cal. AP-SW Amazonia). It aimed to disclose some aspects of this plant remains’ inte...

(This article belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
  • Article
  • Open Access
19 Citations
5,034 Views
20 Pages

Deep-XFCT: Deep Learning 3D-Mineral Liberation Analysis with Micro-X-ray Fluorescence and Computed Tomography

  • Patrick Kin Man Tung,
  • Amalia Yunita Halim,
  • Huixin Wang,
  • Anne Rich and ,
  • Christopher Marjo and
  • Klaus Regenauer-Lieb
  • + 1 author+ 0 author

22 July 2022

Quantitative characterisation through mineral liberation analysis is required for effective minerals processing in areas such as mineral deposits, tailings and reservoirs in industries for resources, environment and materials science. Current practic...

(This article belongs to the Special Issue Application of Machine Learning in Rock Characterization)
  • Article
  • Open Access
59 Citations
5,602 Views
13 Pages

Quantitative Imaging of Gd Nanoparticles in Mice Using Benchtop Cone-Beam X-ray Fluorescence Computed Tomography System

  • Siyuan Zhang,
  • Liang Li,
  • Jiayou Chen,
  • Zhiqiang Chen and ,
  • Wenli Zhang and
  • Hongbing Lu
  • + 1 author+ 0 author

Nanoparticles (NPs) are currently under intensive research for their application in tumor diagnosis and therapy. X-ray fluorescence computed tomography (XFCT) is considered a promising non-invasive imaging technique to obtain the bio-distribution of...

(This article belongs to the Special Issue Understanding the Nanoparticle-Biomolecule Interactions: Insight Form Computational Modelling and Atomistic Simulations)
  • Article
  • Open Access
2 Citations
2,760 Views
26 Pages

Compton Camera X-Ray Fluorescence Imaging Design and Image Reconstruction Algorithm Optimization

  • Shunmei Lu,
  • Kexin Peng,
  • Peng Feng,
  • Cheng Lin and ,
  • Qingqing Geng and
  • Junrui Zhang
  • + 1 author+ 0 author

3 September 2025

Traditional X-ray fluorescence computed tomography (XFCT) suffers from issues such as low photon collection efficiency, slow data acquisition, severe noise interference, and poor imaging quality due to the limitations of mechanical collimation. This...

(This article belongs to the Section Image and Video Processing)
  • Article
  • Open Access
24 Citations
6,581 Views
12 Pages

Carbon Quantum Dots Conjugated Rhodium Nanoparticles as Hybrid Multimodal Contrast Agents

  • Giovanni M. Saladino,
  • Nuzhet I. Kilic,
  • Bertha Brodin,
  • Bejan Hamawandi and ,
  • Idris Yazgan,
  • Hans M. Hertz and
  • Muhammet S. Toprak
  • + 2 authors+ 0 author

24 August 2021

Nanoparticle (NP)-based contrast agents enabling different imaging modalities are sought for non-invasive bio-diagnostics. A hybrid material, combining optical and X-ray fluorescence is presented as a bioimaging contrast agent. Core NPs based on meta...

(This article belongs to the Special Issue Metallic and Metal Oxide Nanoparticles and Their Applications)
  • Article
  • Open Access
2,787 Views
11 Pages

Feasibility Simulation of 3D Benchtop Multi-Pinhole X-ray Fluorescence Computed Tomography with Two Novel Geometries

  • Binqiang Ye,
  • Luzhen Deng,
  • Shanghai Jiang,
  • Sijun Cao and ,
  • Ruge Zhao and
  • Peng Feng
  • + 1 author+ 0 author

In this work, we developed and validated two novel imaging geometries of benchtop multi-pinhole X-ray fluorescence computed tomography (XFCT) systems with Geant4 Toolkit. One of the Monte Carlo (MC) models utilized a fan beam source to illuminate a s...

(This article belongs to the Special Issue Micro Fluorescence Detectors/Sensors and Their Applications)