Optimization of a table-top x-ray fluorescence computed tomography (XFCT) system

CAS Dunning, M Bazalova-Carter - Physics in Medicine & …, 2018 - iopscience.iop.org
Pencil beam x-ray fluorescence computed tomography (XFCT) has typically used a single
spectrometer and prohibitively long scan times. However, detecting backscattered …

A benchtop cone‐beam x‐ray fluorescence computed tomography (XFCT) system with a high‐power x‐ray source and transmission CT imaging capability

N Manohar, FJ Reynoso, SH Cho - Medical physics, 2018 - Wiley Online Library
Purpose This report describes upgrades and performance characterization of an
experimental benchtop cone‐beam x‐ray fluorescence computed tomography (XFCT) …

Pinhole X-ray fluorescence imaging of gadolinium and gold nanoparticles using polychromatic X-rays: a Monte Carlo study

S Jung, W Sung, SJ Ye - International Journal of Nanomedicine, 2017 - Taylor & Francis
This work aims to develop a Monte Carlo (MC) model for pinhole K-shell X-ray fluorescence
(XRF) imaging of metal nanoparticles using polychromatic X-rays. The MC model consisted …

Feasibility study of Compton cameras for x-ray fluorescence computed tomography with humans

D Vernekohl, M Ahmad, G Chinn… - Physics in Medicine & …, 2016 - iopscience.iop.org
X-ray fluorescence imaging is a promising imaging technique able to depict the spatial
distributions of low amounts of molecular agents in vivo. Currently, the translation of the …

Reconstruction of x-ray fluorescence computed tomography from sparse-view projections via L1-norm regularized EM algorithm

J Shi, D Hara, W Tao, N Dogan, A Pollack… - IEEE access, 2020 - ieeexplore.ieee.org
X-ray fluorescence computed tomography (XFCT) as a molecular imaging modality can
simultaneously identify the localization and quantify the concentration of high-atomic …

Monte Carlo modeling of an experimental benchtop L-shell x-ray fluorescence imaging/CT system adopting two silicon drift detectors

N Nepal, A Kaphle, S Jayarathna, SH Cho - Nuclear Instruments and …, 2025 - Elsevier
L-shell x-ray fluorescence (XRF) photons induced from gold nanoparticles (GNPs) after
being irradiated by an x-ray beam allow for highly sensitive XRF imaging/computed …

Reduced acquisition time for L‐shell x‐ray fluorescence computed tomography using polycapillary x‐ray optics

D Vernekohl, M Ahmad, X Dai, W Zhao… - Medical …, 2019 - Wiley Online Library
Purpose X‐ray fluorescence computed tomography (XFCT) is an emerging molecular
imaging modality for preclinical and clinical applications with high atomic number contrast …

Monte Carlo modeling of gold nanoparticles detection limits of benchtop three‐dimensional L‐and K‐shell X‐ray fluorescence map** systems

S Jung - X‐Ray Spectrometry, 2023 - Wiley Online Library
This study aims to investigate the detection limits of gold nanoparticle (GNP) concentrations
by Monte Carlo (MC) modeling of benchtop polychromatic K‐and L‐shell X‐ray fluorescence …

Plasmonic optical imaging of gold nanorods localization in small animals

K Xu, J Shi, A Pourmand, TS Udayakumar, N Dogan… - Scientific reports, 2018 - nature.com
Gold nanoparticles (GNP) have been intensively investigated for applications in cancer
imaging and therapy. Most imaging studies focused on microscopic imaging. Their potential …

[HTML][HTML] Quantitative X-ray fluorescence imaging of gold nanoparticles using joint L1 and total variation regularized reconstruction

J Shi, B Granger, K Xu, Y Yang - Quantitative imaging in medicine …, 2020 - ncbi.nlm.nih.gov
Background This work proposed a joint L1 and total variation (TV) regularized reconstruction
method for X-ray fluorescence tomography (XFT), and investigated the performance of this …