An improved method for radium-isotopes quartet determination by alpha-particle spectrometry by using 225Ra (229Th) as isotopic tracer.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of environmental radioactivity"
DOI: 10.1016/j.jenvrad.2018.11.007
Abstract: A new method for the determination of radium quartet (223,224,226,228Ra) in environmental samples by alpha-particle spectrometry with PIPS detectors is described. This uses 225Ra as yield tracer, in equilibrium at the beginning with 229Th. Thorium… read more here.
Keywords: radium; particle spectrometry; radium isotopes; determination ... See more keywords
Ground calibration of Alpha Particle X-ray Spectrometer (APXS) on-board Chandrayaan-2 Pragyaan rover: An empirical approach
Sign Up to like & getrecommendations! Published in 2020 at "Planetary and Space Science"
DOI: 10.1016/j.pss.2020.104923
Abstract: Abstract Alpha Particle X-ray Spectrometer (APXS) was one of the scientific experiments on-board the Pragyaan rover of the Chandrayaan-2 mission to Moon, with the objective to determine the elemental composition of the lunar surface near… read more here.
Keywords: ray spectrometer; spectrometer apxs; alpha particle; particle ray ... See more keywords
Photon hormesis deactivates alpha-particle induced bystander effects between zebrafish embryos
Sign Up to like & getrecommendations! Published in 2017 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2016.12.025
Abstract: Abstract In the present work, we studied the effects of low-dose X-ray photons on the alpha-particle induced bystander effects between embryos of the zebrafish, Danio rerio . The effects on the naive whole embryos were… read more here.
Keywords: mgy; induced bystander; photon hormesis; alpha particle ... See more keywords
Study the modifications induced by alpha particles in cellulose nitrate NTD
Sign Up to like & getrecommendations! Published in 2019 at "Vacuum"
DOI: 10.1016/j.vacuum.2018.11.003
Abstract: Abstract Cellulose Nitrate (CN-85) polymer samples were irradiated by alpha particles with different fluences varying from 1.45 × 106 to 7.2 × 106 particles/cm2 using a 241Am source. The optical and structural alterations produced in CN-85 nuclear track detector… read more here.
Keywords: study modifications; alpha particle; spectroscopy; cellulose nitrate ... See more keywords
Alpha particle confinement metrics based on orbit classification in stellarators
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Plasma Physics"
DOI: 10.1017/s0022377823000351
Abstract: We present orbit classification schemes for use as fast metrics for fusion alpha particle losses implemented in the symplectic guiding-centre code SIMPLE. Two variants respectively based on conservation of the parallel adiabatic invariant, and topology… read more here.
Keywords: alpha particle; confinement metrics; particle confinement; orbit classification ... See more keywords
Biodistribution and Multi-Compartment Pharmacokinetic Analysis of a Targeted Alpha Particle Therapy.
Sign Up to like & getrecommendations! Published in 2020 at "Molecular pharmaceutics"
DOI: 10.1021/acs.molpharmaceut.0c00640
Abstract: Targeted alpha particle therapy (TAT) is ideal for treating disease while minimizing damage to surrounding non-targeted tissues due to short path-length and high linear energy transfer (LET). We developed a TAT for metastatic uveal melanoma,… read more here.
Keywords: multi compartment; particle therapy; alpha particle; compartment pharmacokinetic ... See more keywords
Dosimetry, Radiobiology and Synthetic Lethality: Radiopharmaceutical Therapy (RPT) With Alpha-Particle-Emitters.
Sign Up to like & getrecommendations! Published in 2020 at "Seminars in nuclear medicine"
DOI: 10.1053/j.semnuclmed.2019.11.002
Abstract: As a treatment modality that is fundamentally different from other therapies against cancer, radiopharmaceutical therapy with alpha-particle emitters has drawn the attention of the therapy community and also the biopharmaceutical industry. Alpha-particles cause a preponderance… read more here.
Keywords: particle emitters; alpha particle; radiobiology; therapy ... See more keywords
Flexible silicon-based alpha-particle detector
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4999322
Abstract: The detection of alpha particles in the field can be challenging due to their short range in air of often only a few centimeters or less. This short range is a particular issue for measuring… read more here.
Keywords: particle detector; flexible silicon; silicon based; alpha particle ... See more keywords
Alpha particle driven Alfvénic instabilities in ITER post-disruption plasmas
Sign Up to like & getrecommendations! Published in 2020 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/ac054c
Abstract: Fusion-born alpha particles in ITER disruption simulations are investigated as a possible drive of Alfvénic instabilities. The ability of these waves to expel runaway electron (RE) seed particles is explored in the pursuit of a… read more here.
Keywords: seed; alfv nic; disruption; alpha particle ... See more keywords
A new method for alpha particle detection use of Electron multiplier assembly (EMA) in SQS mode
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/13/05/p05025
Abstract: In this paper, a new method for alpha particle track detection based on an electron multiplier assembly (EMA) working in SQS mode is introduced. The operation of three EMAs with different geometries was investigated in… read more here.
Keywords: method alpha; alpha particle; new method; sqs mode ... See more keywords
Effects of ECE duration on alpha particle tracks in polycarbonate nuclear track detectors over broad ranges of fluence and energy
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/14/06/p06011
Abstract: The effects of electrochemical etching (ECE) duration on alpha particle detection efficiency in polycarbonate nuclear track detectors over broad ranges of fluence and energy were studied in this paper. This is of particular importance when… read more here.
Keywords: ece duration; track; alpha particle; polycarbonate nuclear ... See more keywords