Results 1 to 10 of about 467,308 (290)

Development of an ultrahigh resolution real time alpha particle imaging system for observing the trajectories of alpha particles in a scintillator [PDF]

Scientific Reports, 2023
High-resolution imaging of alpha particles is required in the detection of alpha radionuclides in cells or small organs for the development of radio-compounds for targeted alpha-particle therapy or other purposes.
Seiichi Yamamoto, Masao Yoshino, Kei Kamada, Ryuga Yajima, Akira Yoshikawa, Kohei Nakanishi, Jun Kataoka   +6 more
doaj   +2 more sources

Differential responses to 223Ra and Alpha-particles exposure in prostate cancer driven by mitotic catastrophe [PDF]

Frontiers in Oncology, 2022
IntroductionRadium-223 (223Ra) has been shown to have an overall survival benefit in metastatic castration-resistant prostate cancer (mCRPC) involving bone.
Francisco D. C. Guerra Liberal, Hugo Moreira, Kelly M. Redmond, Joe M. O’Sullivan, Joe M. O’Sullivan, Ali H. D. Alshehri, Ali H. D. Alshehri, Timothy C. Wright, Victoria L. Dunne, Caoimhghin Campfield, Sandra Biggart, Stephen J. McMahon, Kevin M. Prise   +12 more
doaj   +2 more sources

Real-time trajectory imaging of alpha particles emitted from actinium-225 and its daughter radionuclides [PDF]

Scientific Reports
In targeted alpha-particle therapy, actinium-225 (Ac-225) has emerged as a radionuclide of potential, driving extensive efforts to develop innovative radiopharmaceuticals.
Seiichi Yamamoto, Masao Yoshino, Kenji Shirasaki, Kohei Nakanishi, Kei Kamada, Akira Yoshikawa, Jun Kataoka   +6 more
doaj   +2 more sources

Calculation of alpha particles detection efficiency for polycarbonate detector using Geant4 toolkit [PDF]

Journal of Nuclear Research and Applications, 2022
In the present work, alpha particles detection efficiency of polycarbonate detector (PC) is calculated using Geant4 simulation toolkit. A PC detector with 250 µm thickness and dimension of 2.5 × 2.5 cm2 is considered.
A. Moslehi, S. Baradaran, M. Taheri
doaj   +1 more source

A New Low-Energy Proton Irradiation Facility to Unveil the Mechanistic Basis of the Proton-Boron Capture Therapy Approach

Applied Sciences, 2021
Protontherapy (PT) is a fast-growing cancer therapy modality thanks to much-improved normal tissue sparing granted by the charged particles’ inverted dose-depth profile.
Valerio Ricciardi, Pavel Bláha, Raffaele Buompane, Giuseppina Crescente, Giacomo Cuttone, Lucio Gialanella, Katarina Michaličková, Severina Pacifico, Giuseppe Porzio, Lorenzo Manti   +9 more
doaj   +1 more source

Radiation Damage in the Structure of the CR-39 Nuclear Detector Material as A Result of the Alpha's Energy Loss [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2022
In this work, the damage caused by the passage of alpha particles inside the CR-39 nuclear detector material on its chemical structure was studied. All samples at room temperature using a 241Am-Be neutron source with a flux of 5^10 neutrons.cm-2.s-1 ...
Khalid Flaih
doaj   +1 more source

Why Do Some Reports Claim that the Number of COVID-19 Hospitalized Smokers is Smaller than Expected? [PDF]

Journal of Biomedical Physics and Engineering, 2020
Researchers believe that smoking might increase the severity of infections caused by SARS-CoV-2 by altering the viability and integrity of the BBB, while promoting the expression of ACE2 in endothelial cells, glia, and neurons.
J J Bevelacqua, S M Masoompour, S A R Mortazavi, S M J Mortazavi   +3 more
doaj   +1 more source

High scintillation yield and fast response to alpha particles from thin perovskite films deposited by pulsed laser deposition

Frontiers in Physics, 2022
Although the field of solar cells is the most popular application of perovskite materials, their use in radiation detection applications is emerging. The success of perovskites as radiation detectors rests partly on the same material properties that have
Anna Paola Caricato, Anna Paola Caricato, Sandra Moretto, Maria Rachele Guascito, Gianluca Quarta, Gianluca Quarta, Gianluca Quarta, Marco Mazzeo, Matteo Favaro, Matteo Favaro, Muhammad Rizwan Aziz, Chiara Provenzano, Chiara Provenzano, Marcella Marra, Marcella Marra, Maura Cesaria, Matteo Polo, Jessica Delgado, Felix Pino, Maurizio Martino, Maurizio Martino, Lucio Calcagnile, Lucio Calcagnile, Lucio Calcagnile, Alberto Quaranta, Alberto Quaranta   +25 more
doaj   +1 more source

Strong Shift to ATR-Dependent Regulation of the G₂-Checkpoint after Exposure to High-LET Radiation

Life, 2021
The utilization of high linear-energy-transfer (LET) ionizing radiation (IR) modalities is rapidly growing worldwide, causing excitement but also raising concerns, because our understanding of their biological effects is incomplete.
Veronika Mladenova, Emil Mladenov, Michael Scholz, Martin Stuschke, George Iliakis   +4 more
doaj   +1 more source

Effect of the X-Ray on the Etch Rate Velocities (VB and VD) of the Nuclear Track Detector CR-39 [PDF]

Kirkuk Journal of Science, 2020
The paper aims to study the effect X-Ray on different parameters of the nuclear track detector CR-39 irradiated with alpha particle. The parameters are tracks diameter, the Bulk etch rate, Track diameter growth rate.
Diman Jabar, Ahmed Ibrahim, Khalil Mohammed   +2 more
doaj   +1 more source