Articles tagged with Alpha Radiation
Researchers investigated the luminescence characteristics of Eu-doped CaF₂ crystals under alpha and X-ray irradiation. They found that the ratio of Eu²⁺-induced emission to Eu³⁺-induced emission varies depending on the radiation type, with differences in light color potentially used to identify radiation types.
Researchers at Waseda University develop a new imaging technique that uses neutron activation to transform gold nanoparticles into radioisotopes, enabling long-term tracking of their movement in the body. This breakthrough could lead to more effective cancer treatments and precision monitoring of drug distribution.
Targeted alpha therapy shows promise in treating resistant NETs, offering a precision tool for patients exhausted by conventional treatments. Early preclinical trials have delayed tumour growth with minimal toxicity, while clinical studies have reported high disease control rates.
LHSCRI is the first in Canada to treat a patient with neuroendocrine tumours using actinium-225 DOTATATE, a type of theranostics therapy. The treatment aims to precisely locate and eradicate cancer cells, potentially extending patients' quality of life and life expectancy.
A new study by Osaka Metropolitan University researchers suggests that the nuclear structure of titanium-48 changes depending on its distance from the nucleus. The findings provide clues to the α-decay process in heavy nuclei and could help solve a 100-year-old physics mystery.
Pre-clinical trials show that targeted alpha radiation therapy can increase survival rates by up to 36.4% and has minimal adverse effects for patients. Researchers hope this new approach could improve current average survival rates beyond 18 months.
Researchers at Texas A&M's Institute for Quantum Science and Engineering are part of a $42 million program to advance laser-driven fusion energy. The RISE hub will focus on innovative target concepts, excimer gas lasers, and solid-state laser drivers to open up novel IFE regimes.
Researchers at Osaka University have developed a novel radioactive antibody that can diagnose and treat a deadly type of pancreatic cancer. The antibody targets glypican-1, a protein highly expressed in PDAC tumors, allowing for early detection and treatment with improved survival rates.
Researchers have developed a new technique to generically treat several kinds of cancer, showing tumors grew almost three times less and survival rates reached 100% after just one injection. The method targets cancer cells with alpha radiation, sparing healthy tissue.
A team led by Abhinav Jha is developing a novel low-count quantitative single photon emission computed tomography (LC-QSPECT) method to measure the concentration of radiopharmaceutical material in tumors and vital organs. This technique aims to provide accurate measurements of absorbed dose from radiation therapy, helping plan treatmen...
Researchers at the University of Turku discovered that hackmanite changes color when exposed to nuclear radiation, retaining a memory trace that allows it to be reused. This unique property enables the development of reusable radiochromic films for measuring radiation doses and mapping dose distribution.
Researchers at Osaka University have discovered an excited neon state that exists in neon-20, providing evidence for a predicted nuclear state. This discovery may help explain the nature of low-density nucleon many-body systems and the activity of neutron stars.
A team of scientists has found evidence of alpha clusters in heavy nuclei, which challenges our understanding of neutron star structure and nuclear interactions. The discovery provides new insights into the process of alpha decay and has important implications for the study of neutron stars and their role in the universe.
UC Davis' Crocker Nuclear Laboratory has received a $340,000 grant to manufacture astatine-211, a tumor-killing element with promise in targeted alpha therapy. The lab aims to test the feasibility of producing astatine-211 at its facilities.
A team of fusion researchers successfully demonstrated alpha particle confinement in a plasma for the first time in helical systems. This achievement is significant as it promises the alpha particle confinement required for realizing fusion energy in a helical reactor.
Global supplies of Ac-225 are insufficient to meet growing demand for radiotherapy. Two production routes show promise, relying on irradiation of parent elements to increase yields.
Researchers have proposed a new approach to stabilizing next-generation fusion plasmas by understanding the impact of multiple Alfvén waves on high-energy particles. The study reveals that over 10 unstable waves can be excited, leading to up to 40% loss of energetic particles.
Researchers developed a hybrid simulation program to investigate plasma oscillation and high-energy particle interaction. The program accurately reproduces experimental data, significantly improving the prediction accuracy of high-energy alpha particle distribution in fusion reactor core plasma.
Researchers have updated the TRANSP program to better simulate interactions between energetic particles and instabilities in plasma, which can affect fusion reactions. The updated code will provide a more accurate way to compute particle transport and improve simulations for future fusion facilities like ITER.
Researchers at the University of Missouri have developed a gold nanoparticle that can transport alpha particles directly to small cancer tumors, reducing damage to healthy organs. The nanoparticle design enables researchers to keep more than 80% of the element inside for extended periods.
Researchers have developed a new hybrid detector that can monitor alpha, beta, and gamma radiation simultaneously. The device uses three scintillators to distinguish between the different types of radiation, allowing it to provide accurate counts for all three simultaneously.
A new study reveals that tobacco companies were aware of cigarette radioactivity since the 1950s and conducted research on its effects. The industry used misleading statements to suppress information, including a technique that could have eliminated radioactive particles from tobacco.
Researchers at the University of Warwick have confirmed a longstanding prediction that high-energy alpha particles will be key to generating fusion power in next-generation tokamaks. They found that LH waves, often used externally, can occur naturally in fusion plasmas and help exploit alpha particle energy.
Scientists have captured the first 2-D visualization of Alfvén waves and the energetic particles that ride them to fusion reactor walls. These images show a torus-shaped plasma with spiral waves and particles arriving at the wall in synchronization with the waves.
A team of scientists has detected six new isotopes of superheavy elements, including copernicium and rutherfordium. The discovery contributes to a better understanding of the theory of nuclear shell structure and its potential for creating an 'Island of Stability'.
A team of researchers in Canada has made a breakthrough in detecting dark matter by identifying a significant difference between acoustic signals induced by neutrons and alpha particles. This discovery could lead to improved background suppression in dark matter searches using this type of detector.
Researchers at Rice University have developed a way to package radioactive particles inside DNA-sized carbon tubes to target tiny tumors. The alpha-emitting nanocapsules are designed to deliver a single, direct hit to cancer cells, making them potentially more effective than traditional beta-particle radiation.
ThraxVac uses alpha particles from polonium-210 to kill anthrax spores, making them vulnerable to heat and moisture. The technology has several advantages over current methods, including being lightweight and eliminating health and radiation hazards.
A recent study by Columbia researchers suggests that low doses of radiation can cause widespread mutations in living cells, even if they only affect a small percentage of the population. The findings highlight the importance of considering the 'bystander effect' when assessing radiation exposure risk.
A new molecular nanogenerator has been developed to target and destroy cancer cells using actinium-225. The treatment showed promising results in cell culture and animal models, killing cancer cells at extremely low concentrations.
Detecting active regions on the far side of the Sun allows for up to two weeks' advance warning of strong solar winds. The method uses Lyman alpha radiation to track sunspot activity and predict severe space weather.
Engineers warn that natural alpha particle emissions from materials like lead solder could corrupt data, causing crashes or data loss. The next generation of microprocessors will be more susceptible to this threat due to shrinking transistors.
Targeted alpha-particle therapy using Bismuth-213 has shown very encouraging results in leukemia patients, with no significant uptake outside the target areas. The therapy appears safe and feasible, with high linear energy transfer and reduced damage to normal tissue.