Journal ArticleDOI
Efficiency and resolution of HPGe and NaI(Tl) detectors using gamma-ray spectroscopy
TLDR
In this paper, the energy dependence of efficiency and resolution of HPGe and NaI(Tl) detectors using gamma-ray spectroscopy was investigated, and it was found that the resolution of the detector was directly proportional to the energy of gamma-rays and its efficiency was exponentially proportional to gamma radiation energy.Abstract:
The energy dependence of efficiency and resolution of HPGe and NaI(Tl) detectors using gamma-ray spectroscopy were investigated in this paper. It was found that the resolution of the detector was directly proportional to the energy of gamma-ray and its efficiency was exponentially proportional to the gamma-ray energy. The resolution of HPGe detector (GC2018, diameter 60.5 mm and length 31.5 mm) is better than NaI(Tl) detector (ORTEC 905-3, size 2’’ × 2’’) and efficiency of NaI(Tl) is larger than HPGe detector.
Key words: HPGe, NaI(Tl), gamma ray, resolution, efficiency.read more
Citations
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Journal ArticleDOI
Multifunctional mesoporous silica nanoparticles for cancer-targeted, controlled drug delivery and imaging
Luiza Baptista de Oliveira Freitas,Laura de Melo Corgosinho,Jerusa Araújo Quintão Arantes Faria,V.M. Santos,Jarbas M. Resende,Alexandre Soares Leal,Dawidson Assis Gomes,Edésia Martins Barros de Sousa +7 more
TL;DR: It is believed that the multifunctional silica-based theranostic system could serve as a platform for cancer-targeted, controlled drug delivery and PET imaging to be applied in cancer therapy.
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Synthesis and characterization of 159Gd-doped hydroxyapatite nanorods for bioapplications as theranostic systems
Marcelo Fernandes Cipreste,Anderson M. Peres,Alexandre A. C. Cotta,F. H. Aragón,Alan de M. Antunes,Alexandre Soares Leal,Waldemar A. A. Macedo,Edésia Martins Barros de Sousa +7 more
TL;DR: In this article, a gadolinium-doped hydroxyapatite (HA-Gd) nanorods were synthesized aiming the use as theranostic system for osteosarcomas.
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Crystal Growth and Scintillation Properties of Eu2+ doped Cs4CaI6 and Cs4SrI6
Luis Stand,Mariya Zhuravleva,Bryan C. Chakoumakos,J. Johnson,Matthew Loyd,Yuntao Wu,Merry Koschan,Charles L. Melcher +7 more
TL;DR: In this paper, the crystal growth and scintillation properties of two new ternarymetal halide scintillators activated with divalent europium, Cs4CaI6 and Cs 4SrI6, were presented.
Journal ArticleDOI
Development of a Small-Sized, Flexible, and Insertable Fiber-Optic Radiation Sensor for Gamma-Ray Spectroscopy.
TL;DR: The experimental results demonstrated that the proposed FORS can be used to discriminate species of radioactive isotopes by measuring their inherent energy spectra, even when gamma-ray emitters are mixed.
References
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Book
Radiation detection and measurement
TL;DR: In this paper, the authors present a detailed analysis of the effect of different types of detectors on the performance of the detection of neutrons and their effect on the detection efficiency and error prediction.
Book
Practical Gamma-Ray Spectrometry
TL;DR: In this article, the origins and control of Gamma-Ray Spectrometers are discussed, as well as their application in gamma-ray spectrometers, including counting, setting up and checking the specification of a detector.
Journal ArticleDOI
Low-level gamma-ray spectrometry using Ge-detectors
TL;DR: The first sentence of section 1.1 should read: ''In 1946 Libby [12, 13] suggested that 14C should be present at equilibrium concentrations in living matter''.
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