Results 21 to 30 of about 33,357 (209)

Production, purification, and radiolabeling of the 203Pb/212Pb theranostic pair

open access: yesEJNMMI Radiopharmacy and Chemistry, 2021
Background Lead-212 (212Pb, t1/2 = 10.6 h) and lead-203 (203Pb, t1/2 = 51.9 h) are an element-equivalent, or a matched theranostic radioisotope pair that show great potential for application in targeted radionuclide therapy (TRT) and single-photon ...
Brooke L. McNeil   +6 more
doaj   +1 more source

Assessment of the Usability of a Composite Containing Boron Carbide for Shielding the Gamma Rays

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2023
Considering the negative effects on the environment and toxicity of lead, which has been widely used for gamma shielding for a long time in nuclear technology, studies have been focused on the development of various materials that can be used as an ...
Urkiye Akar Tarım
doaj   +1 more source

Auto-HPGe, an autosampler for gamma-ray spectroscopy using high-purity germanium (HPGe) detectors and heavy shields

open access: yesHardwareX, 2018
Radionuclide measurements have proven to be essential for determining processes related to pressing environmental issues as well as reconstructing historical events related to natural and anthropogenic activities. The detection of radionuclide tracers in
Matheus C. Carvalho   +2 more
doaj   +1 more source

Radiation monitoring of drinking water in the vicinity of the Beloyarsk NPP

open access: yesРадиационная гигиена, 2021
The article provides a radiation-hygienic assessment of the current state of drinking water supply sources for the population in the observation area of the the Beloyarsk NPP and the Institute of Nuclear Materials.
A. V. Panov   +5 more
doaj   +1 more source

Stem Cell Imaging: Tools to Improve Cell Delivery and Viability. [PDF]

open access: yes, 2016
Stem cell therapy (SCT) has shown very promising preclinical results in a variety of regenerative medicine applications. Nevertheless, the complete utility of this technology remains unrealized. Imaging is a potent tool used in multiple stages of SCT and
Jokerst, Jesse V, Wang, Junxin
core   +3 more sources

Radioactive disequilibrium in uranium series of core samples from Rasimalai and Pakkanadu areas of Tamil Nadu, India

open access: yesRadiation Protection and Environment, 2018
Uranium mineral in a geological environment may behave like an open system. Various factors such as mobility of radium, α-recoil of 234U causing migration of uranium radioisotopes, and radon emanation lead to disequilibrium in uranium decay series.
V Madhavi Shankar   +4 more
doaj   +1 more source

Absorption of methionine sources in animals—is there more to know?

open access: yesAnimal Nutrition, 2023
This literature review evaluates the absorption of methionine (Met) sources such as 2-hydroxy-4-methylthiobutyric acid (HMTBa), its calcium salts (HMTBa-Ca), and DL-methionine (DL-Met) by focusing on the state of knowledge regarding the absorption ...
Philippe Becquet   +6 more
doaj   +1 more source

New Insights into the Antimicrobial Action of Cinnamaldehyde towards Escherichia coli and Its Effects on Intestinal Colonization of Mice

open access: yesBiomolecules, 2021
Escherichia coli is responsible for cases of diarrhea around the world, and some studies have shown the benefits of cinnamaldehyde in the treatment of bacterial disease. Therefore, the objective of this study was to evaluate the effects of cinnamaldehyde
Wellison A. Pereira   +13 more
doaj   +1 more source

Calculation of NaI(Tl) detector efficiency using 226Ra, 232Th, and 40K radioisotopes: Three-phase Monte Carlo simulation study

open access: yesOpen Chemistry, 2022
Thallium-activated sodium iodide (NaI(Tl)) detectors can be used in gamma cameras, environmental radiation assessments, including radiation emission levels from nuclear reactors, and radiation analysis equipment.
Tekin Huseyin Ozan   +5 more
doaj   +1 more source

Spatial modeling of geogenic indoor radon distribution in Chungcheongnam-do, South Korea using enhanced machine learning algorithms

open access: yesEnvironment International, 2023
Prolonged inhalation of indoor radon and its progenies lead to severe health problems for housing occupants; therefore, housing developments in radon-prone areas are of great concern to local municipalities.
Fatemeh Rezaie   +9 more
doaj   +1 more source

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