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Advanced Search Results For "RADIOISOTOPES"

1 - 10 of 243,254 results for
 "RADIOISOTOPES"
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Investigation the effect of a magnetic field on the dose distribution of I-125, Ir-192, Yb-169, and Co-60 brachytherapy sources by Monte Carlo simulation.

Publication Type:Academic Journal

Source(s):Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine [Appl Radiat Isot] 2022 Sep; Vol. 187, pp. 110332. Date of Electronic Publication: 2022 Jun 12.

Abstract:Magnetic resonance imaging (MRI) during brachytherapy may alter the dose distribution of radioactive sources implanted in the tumor. This study investigates the impact of a magnetic field of 1.5 T, 3 T, and 7 T strengths on the dose distribution of hig...

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DETERMINING THE TRANSFER FACTORS FOR ESTIMATES OF THE RADIATION CONTAMINATION OF AGRICULTURAL CROPS.

Publication Type:Academic Journal

Source(s):Radiation protection dosimetry [Radiat Prot Dosimetry] 2022 Aug 22; Vol. 198 (9-11), pp. 747-753.

Abstract:The study aims to provide a basis for measures reducing the consequences of a nuclear accident in its late phase, when plant contamination occurs mainly through the root system. Samples of the above-ground biomass of crops and soil were taken in 2020 i...

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A theoretical study for the production of 32 P radioisotope using neutrons from the 68 Zn(p,n) 68 Ga reaction in a medical cyclotron.

Publication Type:Academic Journal

Source(s):Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine [Appl Radiat Isot] 2022 Oct; Vol. 188, pp. 110347. Date of Electronic Publication: 2022 Jun 30.

Abstract:In the present study, the theoretical estimation of a combined production of 68 Ga and 32 P radioisotopes were investigated using a medical cyclotron. Protons are used in the 68 Zn(p,n) reaction to produce the medical isotope 68 Ga. The neutrons from t...

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Measurement of 90 Sr in Marine Biological Samples.

Publication Type:Academic Journal

Source(s):Molecules (Basel, Switzerland) [Molecules] 2022 Jun 09; Vol. 27 (12). Date of Electronic Publication: 2022 Jun 09.

Abstract:Strontium-90 ( 90 Sr) is one of the most hazardous radionuclides, and it contributes to radiation exposure by ingestion. The routine determination of 90 Sr in marine biological samples is highly desirable given the development of the nuclear power indu...

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A new generation of scintillation detectors with identification of events undergoing multiple interactions for gamma-ray imaging and spectroscopy.

Publication Type:Academic Journal

Source(s):Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine [Appl Radiat Isot] 2022 Jun; Vol. 184, pp. 110189. Date of Electronic Publication: 2022 Mar 09.

Abstract:The present work deals with a scintillation detector made of a LuYAP:Ce array coupled to a position-sensitive photo-multiplier tube, whose structure is well suitable for SPECT and PET, but also in nuclear physics, astrophysics, astroparticle physics, h...

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Assessment of internal exposure to 131I and short-lived radioiodine isotopes and associated uncertainties in the Ukrainian cohort of persons exposed in utero.

Publication Type:Academic Journal

Source(s):Journal of radiation research [J Radiat Res] 2022 May 18; Vol. 63 (3), pp. 364-377.

Abstract:This study revised the thyroid doses for 2582 Ukrainian in utero cohort members exposed to Chornobyl fallout (the Ukrainian in utero cohort) based on revision of: (i) 131I thyroid activity measured in the Ukrainian population, (ii) thyroid dosimetry sy...

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Quantification of a Facility Radiological Security Risk Index With a Graphical User Interface Tool.

Publication Type:Academic Journal

Source(s):Health physics [Health Phys] 2022 May 01; Vol. 122 (5), pp. 632-644.

Abstract:Abstract: Healthcare facilities around the world routinely use radioactive sources to diagnose and treat illness. To effectively manage the security of radioactive sources, these facilities need to understand the risk, which is comprised of threat, vul...

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Positron Emission Tomography/Computed Tomography in Thyroid Cancer.

Publication Type:Academic Journal

Source(s):PET clinics [PET Clin] 2022 Apr; Vol. 17 (2), pp. 265-283. Date of Electronic Publication: 2022 Mar 04.

Abstract:Fluorine-18-fluorodeoxyglucose-positron emission tomography/computed tomography (18F-FDG PET/CT) plays an important role in the management of thyroid malignancies. Incidentally found FDG avid nodule needs further workup to rule out its malignant potent...

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Translational Development of a Zr-89-Labeled Inhibitor of Prostate-specific Membrane Antigen for PET Imaging in Prostate Cancer.

Publication Type:Academic Journal

Source(s):Molecular imaging and biology [Mol Imaging Biol] 2022 Feb; Vol. 24 (1), pp. 115-125. Date of Electronic Publication: 2021 Aug 09.

Abstract:Purpose: We present here a Zr-89-labeled inhibitor of prostate-specific membrane antigen (PSMA) as a complement to the already established F-18- or Ga-68-ligands.Procedures: The precursor PSMA-DFO (ABX) was used for Zr-89-labeling. This is not an antib...

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A Comparison of 18F-PSMA-1007 and 64Cu-PSMA in 2 Patients With Metastatic Prostate Cancer.

Publication Type:Academic Journal

Source(s):Clinical nuclear medicine [Clin Nucl Med] 2022 Feb 01; Vol. 47 (2), pp. e120-e122.

Abstract:Abstract: 18F-prostate-specific membrane antigen (PSMA) 1007 is one of the most promising radiotracers for PET imaging in prostate cancer, minimal urinary clearance, and higher spatial resolution, which are the most outstanding features. PSMA can also ...

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