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Letteratura scientifica selezionata sul tema "Radioisotopes"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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Articoli di riviste sul tema "Radioisotopes"

1

Kilian, Krzysztof, and Krystyna Pyrzyńska. "Scandium Radioisotopes—Toward New Targets and Imaging Modalities." Molecules 28, no. 22 (2023): 7668. http://dx.doi.org/10.3390/molecules28227668.

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The concept of theranostics uses radioisotopes of the same or chemically similar elements to label biological ligands in a way that allows the use of diagnostic and therapeutic radiation for a combined diagnosis and treatment regimen. For scandium, radioisotopes -43 and -44 can be used as diagnostic markers, while radioisotope scandium-47 can be used in the same configuration for targeted therapy. This work presents the latest achievements in the production and processing of radioisotopes and briefly characterizes solutions aimed at increasing the availability of these radioisotopes for resear

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2

Motahari, Sayed Mahdi, and Fatemah Alemzada. "Radiopharmaceuticals: Production, Physics, and Clinical Applications in Nuclear Medicine: A Short Review." Afghanistan Journal of Basic Medical Science 2, no. 2 (2024): 43–52. http://dx.doi.org/10.62134/ajbms/v2.i2.khatamuni.6.

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Introduction: The use of radioactive atoms in medicine is growing, particularly in nuclear medicine, where radiation is emitted from the body. Radiopharmaceuticals or radiotracers are artificial short-living radioisotopes labeled with special pharmaceuticals. There are around 1800 radioisotopes, but only around 200 are suitable for general applications. There are four methods for generating radioisotopes: reactor-producing, neutron activation, charged acceleration, and radioisotope generators. Cyclotrons are used to produce many other radioisotopes for medical applications. Physical and biomed

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3

Pimlott, Sally L. "Radioisotopes for medical imaging." International Journal of Modern Physics A 29, no. 14 (2014): 1441003. http://dx.doi.org/10.1142/s0217751x14410036.

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4

Nunes, Bruno Silveira, Enio Rodrigo Fernandes Rodrigues, Jonathan Alexander Prestes Fruscalso, Roger Pizzato Nunes, Alexandre Bonatto, and Mirko Salomón Alva-Sánchez. "Highly Enriched Uranium-Free Medical Radioisotope Production Methods: An Integrative Review." Applied Sciences 12, no. 24 (2022): 12569. http://dx.doi.org/10.3390/app122412569.

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The ever-growing need for radiopharmaceuticals, i.e., compounds containing pharmaceutical drugs and radioisotopes used for medical diagnostic imaging (SPECT/PET scan) and treating neoplasms, is significantly leading to an increased demand for such substances in hospitals and clinics worldwide. Currently, most large-scale productions of radioisotopes required for radiopharmaceuticals are carried out in research reactors, via the fission of highly enriched uranium. However, because large amounts of radioactive waste are produced as byproducts in this process, new greener methods are needed for r

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5

Perini, Efrain Araujo, Mikhail Skopchenko, Tran Thu Hong, et al. "Pre-feasibility Study for Establishing Radioisotope and Radiopharmaceutical Production Facilities in Developing Countries." Current Radiopharmaceuticals 12, no. 3 (2019): 187–200. http://dx.doi.org/10.2174/1874471012666190328164253.

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Background:A significant number of developing countries have no facilities to produce medical radioisotopes and radiopharmaceuticals.Objective:In this paper we show that access to life-saving radioisotopes and radiopharmaceuticals and the geographical distribution of corresponding infrastructure is highly unbalanced worldwide.Methods:We discuss the main issues which need to be addressed in order to establish the production of radioisotopes and radiopharmaceuticals, which are especially important for developing countries as newcomers in the field. The data was gathered from several sources, inc

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6

Noori-Asl, Mahsa, and Maryam Eghbal. "Comparing the Performance of Scatter Correction Methods in Cardiac SPECT Imaging with Technetium-99m and Thallium-201 Radioisotopes." Journal of Medical Physics 49, no. 3 (2024): 464–72. http://dx.doi.org/10.4103/jmp.jmp_40_24.

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Purpose: This study aims to evaluate the performance of dual-energy window (DEW) and triple-energy window (TEW) scatter correction methods in cardiac SPECT imaging with technetium-99m (Tc-99m) and thallium-201 (Tl-201) radioisotopes. Materials and Methods: The SIMIND Monte Carlo program was used to simulate the imaging system and produce the required projections. Two phantoms, including the simple cardiac phantom and the NCAT phantom, were used to evaluate the scatter correction methods. The simulations were repeated 5 times for each phantom and finally, the mean values obtained from these 5 t

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Konefał, Adam, Andrzej Orlef, and Maria Sokół. "Application of therapeutic linear accelerators for the production of radioisotopes used in nuclear medicine." Polish Journal of Medical Physics and Engineering 28, no. 3 (2022): 107–16. http://dx.doi.org/10.2478/pjmpe-2022-0013.

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Abstract This review paper summarizes the possibilities of the use of therapeutic linear electron accelerators for the production of radioisotopes for nuclear medicine. This work is based on our published results and the thematically similar papers by other authors, directly related to five medical radioisotopes as 99Mo/99mTc, 198Au, 186Re, 188Re, 117mSn, produced using therapeutic linacs. Our unpublished data relating to the issues discussed have also been used here. In the experiments, two types of radiation were included in the analysis of the radioisotope production process, i.e. the thera

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Kambali, Imam, Indra Saptiama, and Hari Suryanto. "Residual Radioisotopes Generated from Neutron Irradiated Aluminum Capsules." Aceh International Journal of Science and Technology 6, no. 3 (2017): 104–10. http://dx.doi.org/10.13170/aijst.6.3.8116.

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Aluminum (Al) is often used to house a molybdenum oxide (MoO3) target for neutron or proton-produced technetium-99m (99mTc) radioisotope. During neutron or proton bombardment of an Al body, residual radioisotopes could be generated following nuclear reactions between the incoming particles and the Al body. In this research, residual radioisotopes produced following nuclear reactor based-neutron irradiation of Al body were experimentally measured using a portable gamma ray spectroscopy system; whereas TALYS 2015 calculated data were used to evaluate various nuclear reactions for the by-product

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Lapi, Suzanne E., and Jonathan W. Engle. "Radiochlorine: an underutilized halogen tool." Radiochimica Acta 107, no. 9-11 (2019): 1027–31. http://dx.doi.org/10.1515/ract-2019-0015.

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Abstract Halogen radioisotopes have a variety of physical half-lives which are suitable for probing a wide variety of pharmacokinetic processes. Compared with other radiohalogens, relatively little work has been done with radiochlorine. However, high specific activity radioisotopes of chlorine are available from low energy cyclotron production in quantities suitable for positron emission tomography (PET) and fundamental research. In particular, the sole radioisotope of chlorine which may be used for PET imaging, 34mCl, has achieved a state of development that permits imaging in clinical settin

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Pellico, Juan, Jordi Llop, Irene Fernández-Barahona, Riju Bhavesh, Jesús Ruiz-Cabello, and Fernando Herranz. "Iron Oxide Nanoradiomaterials: Combining Nanoscale Properties with Radioisotopes for Enhanced Molecular Imaging." Contrast Media & Molecular Imaging 2017 (2017): 1–24. http://dx.doi.org/10.1155/2017/1549580.

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The combination of the size-dependent properties of nanomaterials with radioisotopes is emerging as a novel tool for molecular imaging. There are numerous examples already showing how the controlled synthesis of nanoparticles and the incorporation of a radioisotope in the nanostructure offer new features beyond the simple addition of different components. Among the different nanomaterials, iron oxide-based nanoparticles are the most used in imaging because of their versatility. In this review, we will study the different radioisotopes for biomedical imaging, how to incorporate them within the

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Tesi sul tema "Radioisotopes"

1

PUPILLO, Gaia. "Radioisotopes production via accelerator for nuclear medicine applications." Doctoral thesis, Università degli studi di Ferrara, 2014. http://hdl.handle.net/11392/2388938.

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Egorov, Oleg B. "Automation of radionuclide separations and analysis by flow injection techniques /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/11617.

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3

Hou, Xinchi. "Cyclotron-based production of radioisotopes for medical imaging studies." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/50862.

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The cyclotron-based ¹⁰⁰Mo(p,2n)⁹⁹mTc reaction has been proposed as an alternative method for solving the recent shortage of ⁹⁹mTc, which is the most commonly used radioisotope in nuclear medicine. With this production method, however, even if highly enriched molybdenum is used, various radioactive and stable isotopes can be produced simultaneously with ⁹⁹mTc and they may affect the diagnostic outcome and radiation dosimetry in human studies. The objective of this thesis was to investigate the feasibility of the cyclotron-based production of ⁹⁹mTc. Towards this aim, theoretical predictions and

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Sitarz, Mateusz. "Research on production of new medical radioisotopes with cyclotron." Thesis, Nantes, 2019. http://www.theses.fr/2019NANT4050.

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Aujourd’hui, les radio-isotopes sont fréquemment utilises en médecine, pour le diagnostic et la thérapie. Cependant, le développement constant de la médecine nucléaire provoque l’application de nouveaux radio-isotopes médicaux. La recherche sur leur production possible a grande échelle est la première étape d’un long processus d’études avant de pouvoir de les utilise dans des essais cliniques. Dans cette thèse, les voies de production ont été étudiées pour la formation de médicalement intéressants 43Sc, 44m,gSc, 47Sc, 97Ru et 105Rh en utilisant de cyclotrons. Les radioisotopes de scandium ont

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de, Sousa Fernando Nuno. "Movement of radionuclides through unsaturated soils." Diss., Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/17875.

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Pan, Xiaodi. "Radioisotopes in Domestic Wastewater and Their Fate in Wastewater Treatment." Digital WPI, 2016. https://digitalcommons.wpi.edu/etd-theses/1247.

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"Modern medical therapies involving radioisotopes provide radionuclide contamination in wastewater. These radioisotopes present in wastewater increase the possibility of human exposure to radiation. The objective of this work was to study the fate of radionuclides of medical sources in wastewater, and to determine the distribution of various radionuclides in different stages of wastewater treatment. Influent, return activated sludge and effluent samples were collected from four wastewater facilities in Massachusetts. Samples were collected approximately twice a month over 4 months. The radionu

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Naidoo, Clive. "Selective separation of elements and radioisotopes by ion exchange chromatography." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/53046.

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Thesis (PhD)--Stellenbosch University, 2002.<br>ENGLISH ABSTRACT: The equilibrium distribution coefficients of 32 metal ions [Al(llI), As(V), CdïIl), Ce(III), Ce(IV), Co(n), Cr(III), Cu(II), Fe(III), Ga(III), Ge(IV), !n(III), La(III), Mn(II), Mo(VI), Nb(V), Ni(II), Pr(III), Sb(V), Sc(III), Se(IV), Sn(IV), Ta(V), Tb(III), Te(IV), Ti(IV), Vev), W(VI), Y(III), Yb(III), Zn(lI) and Zr(IV)] on a cation exchanger (Bio- Rad® AG50W-X8) and an anion exchanger (Bio-Rad® AG1-X8) in varying oxalic acid - sulphuric acid mixtures were successfully determined. The equilibrium distribution coefficients o

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MARTINI, Petra. "High-Yield Cyclotron Production of Metallic Radioisotopes for Nuclear Medicine." Doctoral thesis, Università degli studi di Ferrara, 2018. http://hdl.handle.net/11392/2487885.

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The main purpose of LARAMED project (LAboratoty of Radioisotopes for MEDicine), founded at LNL-INFN, is the R&D on cyclotron production of conventional, such as Tc-99m (TECHN-OSP projects), and emerging, such as Cu-67 (COME project), metallic medical radioisotopes. The aim of my PhD has been the development, optimization and automation of post-irradiation target processing systems, enabling to recover in high yield highly pure radioisotopes (RI), one of the most critical steps in the RI cyclotron production. The possibility of a reactor-produced molybdenum-99 shortage, used as parent nuclide o

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Curtis, Nicola. "Tritium NMR studies of protein-ligand interactions." Thesis, University of Surrey, 1994. http://epubs.surrey.ac.uk/842983/.

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Tritium NMR studies provide a convenient way of obtaining detailed information about conformational equilibria, dynamic processes and specific interactions in protein-ligand complexes provided that suitably 3H-labelled molecules are available. In this study [7,9-3H]- and [3',5',7-3H]folic acid, and [3',5',7-3H]methotrexate were synthesised and the NMR spectra of their complexes with Lactobacillus casei dihydrofolate reductase (DHFR) were assigned and analysed as a function of pH (DHFR-folate complexes) and temperature (DHFR-methotrexate complexes). From these data it was possible to obtain fur

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Valsborg, Jacob Stenmann. "Design and synthesis of radioligands in drug development /." [Cph.] : Royal danish School of Pharmacy, Department of Medicinal Chemistry, 2002. http://www.dfh.dk/phd/defences/jacobvalsborg.htm.

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Libri sul tema "Radioisotopes"

1

United States. Office of the Assistant Secretary for Nuclear Energy. Office of Support Programs., ed. Radioisotopes: Today's applications. U.S. Dept. of Energy, Assistant Secretary for Nuclear Energy, Office of Program Support, 1988.

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2

Mendes, Kassio Ferreira, ed. Radioisotopes in Weed Research. CRC Press, 2020. http://dx.doi.org/10.1201/9781003005070.

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3

Prelas, Mark, Matthew Boraas, Fernando De La Torre Aguilar, John-David Seelig, Modeste Tchakoua Tchouaso, and Denis Wisniewski. Nuclear Batteries and Radioisotopes. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41724-0.

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Gábor, Földiák, ed. Industrial application of radioisotopes. Elsevier, 1986.

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M, Lewis S., and Bayly R. J, eds. Radionuclides in haematology. Churchill Livingstone, 1986.

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H, Thrall James, and Swanson Dennis P, eds. Diagnostic interventions in nuclear medicine. Year Book Medical Publishers, 1985.

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Agency, International Atomic Energy, ed. Radioisotope handling facilities and automation of radioisotope production. International Atomic Energy Agency, 2004.

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Horton, P. W. Radionuclide techniques in clinical investigation. UMI, 1998.

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J, Slater Robert, ed. Radioisotopes in biology: A practical approach. 2nd ed. Oxford University Press, 2002.

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J, Slater Robert, ed. Radioisotopes in biology: A practical approach. Oxford University Press, 1990.

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Capitoli di libri sul tema "Radioisotopes"

1

Prelas, Mark, Matthew Boraas, Fernando De La Torre Aguilar, John-David Seelig, Modeste Tchakoua Tchouaso, and Denis Wisniewski. "Radioisotopes." In Lecture Notes in Energy. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41724-0_2.

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2

Jasmin, Claude, Isabelle Resche, Françoise Bodéré, Caroline Rousseau, and Jean-François Chatal. "Radioisotopes and Radioimmunoisotopes." In Textbook of Bone Metastases. John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470011610.ch23.

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3

Charlton, J. S. "Radioisotopes in industry." In Radioisotope Techniques for Problem-Solving in Industrial Process Plants. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4073-4_1.

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Rayburn, Stephen R. "Hazards of Radioisotopes." In The Foundations of Laboratory Safety. Springer New York, 1990. http://dx.doi.org/10.1007/978-1-4612-3320-6_14.

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Duggirala, Rajesh, Amit Lal, and Shankar Radhakrishnan. "Radioactivity and Radioisotopes." In MEMS Reference Shelf. Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-6763-3_1.

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Hayes, Robert Bruce. "Applications of Radioisotopes." In Nuclear Energy. Springer New York, 2018. http://dx.doi.org/10.1007/978-1-4939-6618-9_952.

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Hayes, Robert Bruce. "Applications of Radioisotopes." In Encyclopedia of Sustainability Science and Technology. Springer New York, 2017. http://dx.doi.org/10.1007/978-1-4939-2493-6_952-1.

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Kloft, Werner J. "Radioisotopes in Vector Research." In Advances in Disease Vector Research. Springer New York, 1992. http://dx.doi.org/10.1007/978-1-4612-2910-0_2.

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Yue, Ziming, and Te-Ming Tseng. "Historical use of radioisotopes in weed research." In Radioisotopes in Weed Research. CRC Press, 2020. http://dx.doi.org/10.1201/9781003005070-1.

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10

Mendes, Kassio Ferreira, Rodrigo Nogueira de Sousa, Matheus Bortolanza Soares, Douglas Gomes Viana, and Adijailton Jose de Souza. "Sorption and desorption studies of herbicides in the soil by batch equilibrium and stirred flow methods." In Radioisotopes in Weed Research. CRC Press, 2020. http://dx.doi.org/10.1201/9781003005070-2.

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Atti di convegni sul tema "Radioisotopes"

1

Fogleman, Kurt, Alex Gilbert, and Harsh Desai. "Radioisotopes for Space: Lifecycle Waste and Transportation Considerations." In Nuclear and Emerging Technologies for Space (NETS 2025). American Nuclear Society, 2025. https://doi.org/10.13182/xyz-47320.

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Hermosillo Ramirez, Jose Bibiano, Antonio Rojo Narcio, Sergio Mauricio Castro Hernández, and Vanessa Michelle Rodarte Carrera. "Energy-Obtaining System to Propel Spacecraft Through the Generation of Thermoelectric Radioisotopes." In IAF Space Power Symposium, Held at the 75th International Astronautical Congress (IAC 2024). International Astronautical Federation (IAF), 2024. https://doi.org/10.52202/078370-0065.

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Prout, D. L., W. Deng, J. Jones, M. Van Dam та A. Chatziioannou. "Feasibility of a α/β/γ camera for the detection of activity from different radioisotopes in microdroplets". У 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD). IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10657810.

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Canales-Verdial, Jorge I. "Synaptic Weights in a Neuromemristive Radioisotope Classifier." In I Conferencia Internacional de Ciencia, Tecnología e Innovación. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-qi5dkx.

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A memristor crossbar’s intrinsic device network dynamics can be harnessed to efficiently conduct radionuclide classification tasks by retrofitting the network with a peripheral CMOS-based architecture that has been structurally and functionally optimized for this classification task. However, the hardware implementation of this classification platform is limited by the physical characteristics of the memristor which has a finite number of states. This renders the employment of traditional neural network learning algorithms, where the weights are not limited to defined states, as an excessively

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Zong, Jingbo, Yifei Zhang, Tianyu Liu, and Zerui Fan. "Radioisotope thermoelectric power generation." In 9th International Conference on Electromechanical Control Technology and Transportation (ICECTT 2024), edited by Jinsong Wu and Azanizawati Ma'aram. SPIE, 2024. http://dx.doi.org/10.1117/12.3039653.

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Li, Jian, Wei Xu, Jing Zhao, et al. "Characteristics of Irradiation Production of Radioisotope in an Ultra-High Flux Research Reactor." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-135558.

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Abstract Radioisotopes are widely used in industry, agriculture, healthcare, and other fields, they are important basic materials for nuclear science and technology. The research reactor scheme designed by our institute is characterized by high neutron flux, flexible rector core layout, strong irradiation capability, and convenient operation. It has important applications in nuclear fuel and material irradiation test, radioisotope production, neutron science research, etc. By arranging irradiation targets in the thermal irradiation channels of this reactor to produce radioisotopes, it is expec

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Barklay, Chadwick, Emily Jane Watkinson, Richard Ambrosi, Ramy Mesalam, Alessandra Barco, and Daniel Kramer. "Considerations for Utilising Alternative Radioisotopes in Radioisotope Power Systems." In 2021 IEEE Aerospace Conference. IEEE, 2021. http://dx.doi.org/10.1109/aero50100.2021.9438353.

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Adams, Thomas E., Jeffrey A. Webster, and Rusi P. Taleyarkhan. "Electron and Material Interaction Studies for the Optimization of a Novel Tritium Based Radioisotope Power Source." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-76046.

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Radiation interaction with materials can have beneficial uses, such as in radioisotope power sources where the ionizing particles provide a direct energy source for conversion into electricity; similar to photovoltaic cells. Radioisotope power sources in the past did not succeed: limited low power applications, rapid semi-conductor degradation, availability and cost of suitable radioisotopes. Now, the power generated is compatible with present electronic devices. Novel and compelling need-based applications for long-life radioisotope power sources are emerging in the military, intelligence, co

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Mohamadian, sM, S. A. H. Feghhi, and H. Afarideh. "Analyze and Simulation of a Typical MEMS RPG Using MCNP Code." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48766.

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Microbatteries are essential for portable electronics, cellular phones and MEMs devices to be miniaturized. Use of radioisotopes to realize nuclear microbatteries have been extensively researched. Electrical energy of a nuclear battery is produced from radioactive materials decaying by a suitable energy conversion process. Our approach in this paper is study of a direct collected charge to motion conversion. In this manuscript, the performance of radioisotope powered piezoelectric generator has been analyzed and simulated. The generator employs direct charging to convert radiated beta particle

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McDaniel, Floyd D., W. J. Courtney, W. W. Givens, et al. "Fast-neutron production of radioisotopes." In 4th International Conference on Applications of Nuclear Techniques: Neutrons and their Applications, edited by George Vourvopoulos and Themis Paradellis. SPIE, 1995. http://dx.doi.org/10.1117/12.204197.

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Rapporti di organizzazioni sul tema "Radioisotopes"

1

Birnbaum, Eva R. Medical Radioisotopes. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1088916.

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Bunn, Sarah, and Mark Graham. Supply of Medical Radioisotopes. Parliamentary Office of Science and Technology, 2017. http://dx.doi.org/10.58248/pn558.

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Peaslee, Graham F., and Suzanne E. Lapi. Preparing for Harvesting Radioisotopes from FRIB. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1170526.

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Lapi, Suzanne, and Graham Peaselee. Preparing for Harvesting Radioisotopes from FRIB. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1510280.

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Couture, Aaron J. Calorimeters for Capture Measurements on Radioisotopes. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1072250.

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Bennett, R. G. Markets for reactor-produced non-fission radioisotopes. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/41373.

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7

Nelson, Noel, and Brad Johnson. A Comparison of the Radiation Shielding Requirements of Select Radioisotopes for Potential Use in Radioisotope Power Systems. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/1989569.

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8

Litz, Marc. Semiconductor Energy Converter Calibration Laboratory for Betavoltaic Radioisotopes. DEVCOM Army Research Laboratory, 2023. http://dx.doi.org/10.21236/ad1209647.

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9

Mirzadeh, S., A. P. Callahan, F. F. Jr Knapp, and R. E. Schenter. Production capabilities in US nuclear reactors for medical radioisotopes. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/7176237.

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Mirzadeh, S., A. P. Callahan, F. F. Jr Knapp, and R. E. Schenter. Production capabilities in US nuclear reactors for medical radioisotopes. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10191510.

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