Results 21 to 30 of about 13,515 (191)

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

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

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

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

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

Nondestructive Determination of Lead, Cadmium, Tin, Antimony, and Barium in Ceramic Glazes by Radioisotope X-Ray Fluorescence Spectrometry [PDF]

open access: yesJournal of AOAC INTERNATIONAL, 1996
Abstract Quantitation capabilities of radioisotope X-ray fluorescence spectrometry (RXRFS) for determining lead, cadmium, tin, antimony, and barium in ceramic glazes were investigated. Twenty-one airdried glazes and 85 fired glazes on test tiles were analyzed by using 109Cd and 57Co excitation sources.
D L, Anderson, W C, Cunningham
openaire   +2 more sources

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

Farnesyltransferase Enables Modular Assembly of Dual‐Functional Nanobody Conjugates for in Vivo Imaging of Inflammation

open access: yesAngewandte Chemie, EarlyView.
A modular farnesyltransferase‐based chemoenzymatic platform enables fast, site‐specific labeling of nanobodies for PET imaging of inflammation. CD11b‐targeted PET agents selectively image myeloid‐driven inflammation, while CD45‐targeted PET agents provide sensitive whole‐body immune mapping.
Sneha Venkatachalapathy   +7 more
wiley   +2 more sources

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