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Journal articles on the topic 'Radioisotope method'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

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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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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Inacio, Pascoleta, Albert Zicko Johannes, and Bartholomeus Pasangka. "INVESTIGASI KANDUNGAN RADIOISOTOP DALAM SAMPEL SUMBER MATA AIR DI DESA LALETEN KECAMATAN WELIMAN KABUPATEN MALAKA." Jurnal Fisika : Fisika Sains dan Aplikasinya 3, no. 2 (2018): 106–9. http://dx.doi.org/10.35508/fisa.v3i2.610.

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Abstrak Telah dilakukan penelitian untuk memeriksa kandungan radioisotop dalam sampel sumber mata air di Desa Laleten Kecamatan Weliman Kabupaten Malaka. Penelitian ini bertujuan untuk menentukan interval dan tingkat aktivitas jenis massa kandungan radioisotop dari sumber air minum lokal dan kemudian dibandingkan dengan standar untuk tingkat kontaminasi dan standar ambang batas dosis radiasi yang diperbolehkan untuk persyaratan air minum (Permenkes RI). Metode yang digunakan dalam penelitian ini yaitu dengan metode sampling. Sampel dari lapanga dipanaskan dan dikeringkan di laboratorium

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Pasangka, Bartholomeus, Kirbani Sri Brotopuspito, and Herry L. Sianturi. "DETERMINATION OF RADIOISOTOPE CONCENTRATION IN MINING SAMPLES WITH THE SIMPLE AND NEUTRON ACTIVATION ANALYSIS IN WEST TIMOR ISLAND EAST NUSA TENGGARA." Jurnal Fisika : Fisika Sains dan Aplikasinya 4, no. 2 (2019): 85–92. http://dx.doi.org/10.35508/fisa.v4i2.1833.

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Abstract [Determination of Radioisotope Concentration in Mining Samples with The Simple and Neutron Activation Analysis in West Timor Island East Nusa Tenggara] The nature of Timor island have contents of several kinds of mining mineral, which still buried in rock, one of them is radioisotope that deposit activity concentration in the rock is unknown. This radioisotope is needed in several sectors as an alternative energy sources that begin to be developed in Indonesia. Problems specifications were studied in this research about activity concentration of radioisotope in the sample of mining an

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Forseth, Torbjørn, Bror Jonsson, Roger Næumann, and Ola Ugedal. "Radioisotope Method for Estimating Food Consumption by Brown Trout (Salmo trutta)." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 7 (1992): 1328–35. http://dx.doi.org/10.1139/f92-148.

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A fast, simple, and reliable method for estimating food consumption using radioisotopes is presented. The method gives both sensitive short-term and robust long-term estimates of food consumption for brown trout (Salmo trutta). The estimates of daily food rations were similar to those estimated from rates of gastric evacuation and laboratory experiments. The radioisotope method can be used to detect variations in ration size due to temperature, fish size, and food availability. Information on radiocesium absorption from this study and earlier published data on radiocesium retention can be used

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Alamaniotis, Miltiadis, Chan K. Choi, and Lefteri H. Tsoukalas. "Application of Fireworks Algorithm in Gamma-Ray Spectrum Fitting for Radioisotope Identification." International Journal of Swarm Intelligence Research 6, no. 2 (2015): 102–25. http://dx.doi.org/10.4018/ijsir.2015040105.

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Identification of radioisotopic signature patterns in gamma-ray spectra is of paramount importance in various applications of gamma spectroscopy. Therefore, there are several active research efforts to develop accurate and precise methods to perform automated spectroscopic analysis and subsequently recognize gamma-ray signatures. In this work, the authors present a new method for radioisotope identification in gamma-ray spectra obtained with a low resolution radiation detector. The method fits the obtained spectrum with a linear combination of known template signature patterns. Coefficients of

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Lake, Yohanes Jean Del Rosario, Bartholomeus Pasangka, and Jehunias Leonidas Tanesib. "PEMETAAN DISTRIBUSI KANDUNGAN RADIOISOTOP DI DAERAH PERKEBUNAN UBI KAYU DI NUABOSI ENDE FLORES." Jurnal Fisika : Fisika Sains dan Aplikasinya 4, no. 2 (2019): 142–52. http://dx.doi.org/10.35508/fisa.v4i2.975.

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ABSTRAK Telah dilakukan penelitian di wilayah perkebunan ubi kayu Desa Ndetundora III Nuabosi Kecamatan Ende Kabupaten Ende mengenai pemetaan distribusi kandungan radioisotop. Tujuan penelitian ini menentukan interval cacah radiasi dan temperatur di daerah perkebunan, memetakan distribusi kandungan radiosotop di daerah perkebunan berdasarkan cacah radiasi dan temperatur serta mengestimasi luas daerah yang cacah radioisotopnya cukup tinggi. Metode penelitian yang digunakan terdiri dari observasi, mapping, analisis dan interpretasi data. Data yang diperoleh dalam penelitian di lapangan ada

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Aziz, Azmairit, and Nana Suherman. "KARAKTERISASI FISIKO-KIMIA RADIOISOTOP 149Pm HASIL IRADIASI BAHAN SASARAN 148Nd ALAM." Jurnal Sains dan Teknologi Nuklir Indonesia 16, no. 1 (2015): 29. http://dx.doi.org/10.17146/jstni.2015.16.1.2355.

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ABSTRAK KARAKTERISASI FISIKO-KIMIA RADIOISOTOP 149Pm HASIL IRADIASI BAHAN SASARAN 148Nd ALAM. Penyakit kanker merupakan salah satu masalah utama yang dihadapi Indonesia di bidang kesehatan. Radioisotop pemancar-β- dengan aktivitas jenis tinggi dapat digunakan untuk penandaan biomolekul sebagai radiofarmaka spesifik target untuk terapi sel kanker. Promesium-149 (149Pm) merupakan salah satu radiolantanida pemancar-β- yang me-miliki energi beta (Eβ-)maksimum sebesar 1,07 MeV (95,9 %) dan dapat dipertimbangkan untuk digunakan pada terapi kanker berdasarkan sifat nuklir yang dimilikinya. Radioisoto

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Chaidir, P., A. S. Daya, S. Indra, et al. "Scaled-up production of ¹³¹I radioisotope using dry distilation method for radiopharmaceutical application." Journal of Physics: Conference Series 2193, no. 1 (2022): 012020. http://dx.doi.org/10.1088/1742-6596/2193/1/012020.

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Abstract The development of nuclear medicine is increasing every year, including the need for diagnostic or therapeutic radioisotope sources. Iodine-131 (131I) radioisotope is used for diagnostic and therapeutic purposes in patients with thyroid cancer or neuroblastoma. Research and Technology Center for Radioisotope and Radiopharmaceutical - National Research and Innovation Agency (RTCRR-NRIA) has been able to produce 131I radioisotope with radioactivity up to 18.5 – 29.6 Gbq/month. This study aims to scale-up the production capacity of 131I radioisotope by using dry distillation method and t

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TAYFUN KÜPESİZ, Funda, Nurşah EKER, Adil BOZ, et al. "PEDİYATRİK HEMOFİLİKLERDE KRONİK SİNOVİT İÇİN YTTRIUM- 90 VE RHENIUM- 186 İLE RADYOİZOTOP SİNOVEKTOMİNİN UZUN SÜRELİ DEĞERLENDİRMESİ: AKDENİZ ÜNİVERSİTESİ DENEYİMİ." Kocatepe Tıp Dergisi 23, no. 4 (2022): 385–91. http://dx.doi.org/10.18229/kocatepetip.930703.

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OBJECTIVE: This study aimed to evaluate the effect of radioisotope synovectomy with Yttrium-90 and Rhenium-186 on the joints of patients with chronic hemophilic synovitis.MATERIAL AND METHODS: Retrospective analysis of radioisotope synovectomy using Yttrium-90 and Rhenium-186 in pediatric hemophilia patients treated in the Akdeniz University School of Medicine between June 2005 and September 2014 was carried out.RESULTS: Eighteen patients with severe hemophilia (mean age 12.55±4.93 years) underwent a total of 32 radioisotope synovectomy procedures: 13 elbow (40.6%), nine knee (28.2%), nine tib

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Valeri, C. Robert, Hollace Macgregor, Albert Giorgio, and Gina Ragno. "Comparison of radioisotope methods and a non-radioisotope method to measure platelet survival in the baboon." Transfusion and Apheresis Science 32, no. 3 (2005): 275–81. http://dx.doi.org/10.1016/j.transci.2004.05.008.

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Askarova, Anna A., Viktor N. Nikolkin, Denis S. Butakov, Leonid P. Sinelnikov, and Vladimir N. Rychkov. "Sr-doped carbon matrices for use as electrodes in autonomous electrical energy sources." Bulletin of the Tomsk Polytechnic University Geo Assets Engineering 335, no. 6 (2024): 135–42. http://dx.doi.org/10.18799/24131830/2024/6/4355.

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Relevance. The need to create new safe energy sources that can meet the needs of production and medicine where the use of traditional energy sources is impossible or unprofitable. Such sources may include radioisotope power sources, in which energy production is ensured by the natural decay of radionuclides. The most important components of current sources such as supercapacitors are electrode materials, the characteristics of which determine the electrophysical characteristics of radioisotope sources. This work proposes a method for synthesizing a carbon matrix doped with Sr for use as electr

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Kubrin, S. S., S. N. Reshetnyak, and V. V. Degtyarev. "Radioisotope method of controlling dust deposits." Mining informational and analytical bulletin, S29 (2017): 26–38. http://dx.doi.org/10.25018/0236-1493-2017-12-29-26-38.

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14

Petryka, Leszek, Marcin Zych, Robert Hanus, Jerzy Sobota, Pavel Vlasak, and Beata Malczewska. "Radioisotope method of compound flow analysis." EPJ Web of Conferences 92 (2015): 02065. http://dx.doi.org/10.1051/epjconf/20159202065.

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15

Le, Van So, J. Howse, M. Zaw, et al. "Alternative method for 64Cu radioisotope production." Applied Radiation and Isotopes 67, no. 7-8 (2009): 1324–31. http://dx.doi.org/10.1016/j.apradiso.2009.02.069.

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16

Umi Kalthum Ab Wahab, Siti, Asnor Azrin Sabuti, Mohd Armi Abu Samah, and Kamaruzzaman Yunus. "AN Overview of Radioisotopels Study in Water Pollution." International Journal of Engineering & Technology 7, no. 2.29 (2018): 882. http://dx.doi.org/10.14419/ijet.v7i2.29.14276.

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Radioisotopes can be defined as the radioactive isotopes of an element. They refer to the atoms that contain an unstable combination of neutrons and protons. The combination can occur naturally or by altering the atoms. Nowadays, radioactive materials have become major contributing pollutants for a lot of cases of disability and mortality in all over the world. They have become a serious fear of the human, environment, and aquatic organism, although they are exposed to low levels of exposure. Therefore, to overcome these problems, the effective and easier prevention strategies should be taken

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Izzotti, A., A. Pulliero, Z. Khalid, et al. "Using Natural Isotopes for the Environmental Tracking of a Controlled Landfill Site for Non-Hazardous Waste in Liguria, Italy." International Journal of Environmental Research and Public Health 22, no. 4 (2025): 528. https://doi.org/10.3390/ijerph22040528.

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The application of natural radioisotope and stable isotope tracing represents a novel, sensitive method for confirming the presence of environmental contamination due to leachate water from solid waste landfills. This study aimed to employ this approach to assess the efficiency of containment measures and the potential environmental impact in the vicinity of a landfill designated for non-hazardous waste disposal. We collected leachate water samples from two distinct areas: one currently active, and another exhausted. In February, May, August, and November 2022, we collected deep water samples

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Suhartini, Nita, Barokah Aliyanta, and Arief Adhari. "PLANTS COVERING INFLUENCE TO THE RADIOISOTOPES EXISTENCE OF Cs-137 AND Pb-210 IN THE SOIL." Jurnal Forum Nuklir 14, no. 1 (2020): 7. http://dx.doi.org/10.17146/jfn.2020.14.1.5811.

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PLANTS COVERING INFLUENCE TO THE RADIOISOTOPES EXISTENCE OF 137Cs and 210Pbex IN THE SOIL. Cs-137 and Pbex-210 of environmental radioisotope content in the soil can be useful to estimate the rate of erosion/deposition in an area, by comparing the inventory value of Cs-137 or Pbex-210 in observed site with those in a stable reference site. Cs-137 and Pbex-210 stick very strongly at the surface of the soil (clay), so it can use as a tracer for the movement of soil. Plants very influence the existence of Cs-137 and Pbex-210 environmental radioisotopes as a cover. If without a plant cover, then th

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Cornoiu, Mihon, Niculae, and Popa. "Improved Method for Determination of Chemical and Radiochemical Purity." Proceedings 29, no. 1 (2019): 76. http://dx.doi.org/10.3390/proceedings2019029076.

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Lee, S., J. Yang, S. Nam, et al. "Triple detection method for sentinel lymph node detection." Journal of Clinical Oncology 27, no. 15_suppl (2009): e11605-e11605. http://dx.doi.org/10.1200/jco.2009.27.15_suppl.e11605.

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e11605 Background: Sentinel lymph node biopsy is widely accepted method to determine nodal stage of breast cancer. There are several reported method for detecting sentinel lymph node. The aim of this study was to show the new detection method of sentinel lymph node and show the effectiveness of this method. Methods: We did prospective study and enrolled 25 patients who underwent partial mastectomy and sentinel lymph node biopsy. We injected indigocyanine green (green dye) at peritumoral lesion, indigocarmine dye (blue dye) in subareolar area and radioisotope (Tc-99m) injection. Sentinel lymph

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Salvanou, Evangelia-Alexandra, Argiris Kolokithas-Ntoukas, Christos Liolios, et al. "Preliminary Evaluation of Iron Oxide Nanoparticles Radiolabeled with 68Ga and 177Lu as Potential Theranostic Agents." Nanomaterials 12, no. 14 (2022): 2490. http://dx.doi.org/10.3390/nano12142490.

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Theranostic radioisotope pairs such as Gallium-68 (68Ga) for Positron Emission Tomography (PET) and Lutetium-177 (177Lu) for radioisotopic therapy, in conjunction with nanoparticles (NPs), are an emerging field in the treatment of cancer. The present work aims to demonstrate the ability of condensed colloidal nanocrystal clusters (co-CNCs) comprised of iron oxide nanoparticles, coated with alginic acid (MA) and stabilized by a layer of polyethylene glycol (MAPEG) to be directly radiolabeled with 68Ga and its therapeutic analog 177Lu. 68Ga/177Lu- MA and MAPEG were investigated for their in vitr

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Kim, Jinhwan, Kyung Taek Lim, Kilyoung Ko, Eunbie Ko, and Gyuseong Cho. "Radioisotope Identification and Nonintrusive Depth Estimation of Localized Low-Level Radioactive Contaminants Using Bayesian Inference." Sensors 20, no. 1 (2019): 95. http://dx.doi.org/10.3390/s20010095.

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Obtaining the in-depth information of radioactive contaminants is crucial for determining the most cost-effective decommissioning strategy. The main limitations of a burial depth analysis lie in the assumptions that foreknowledge of buried radioisotopes present at the site is always available and that only a single radioisotope is present. We present an advanced depth estimation method using Bayesian inference, which does not rely on those assumptions. Thus, we identified low-level radioactive contaminants buried in a substance and then estimated their depths and activities. To evaluate the pe

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Stewart, Peter AE, and Michael R. Hawkesworth. "Improvements relating to a method of radioisotope imaging." International Journal of Radiation Applications and Instrumentation. Part B. Nuclear Medicine and Biology 17, no. 4 (1990): iii. http://dx.doi.org/10.1016/0883-2897(90)90122-h.

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Setiawan, Duyeh, M. Basit Febrian, and Yanuar Setiadi. "Separation Of Radioisotope 113mIn Using Column Chromatography Based on Silica Gel Matrix." Molekul 13, no. 2 (2018): 162. http://dx.doi.org/10.20884/1.jm.2018.13.2.403.

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Radioisotope indium-113m (113mIn) with half-life, T1/2 = 1.7 hours and gamma energy, Eg = 391 keV is suitable and meets the criteria as radiotracer in industry. 113mIn radioisotope was obtained from tin-113 decay (113Sn, T1 / 2 = 115 days) of 112Sn (n,g) 113Sn neutron activation in nuclear reactor. The process of separation of radioisotope 113mIn using column chromatography method based on silica gel matrix using 0.05 M HCI solution. Radionuclide and radiochemical purity tests were performed using the gamma-spectrometry method and paper chromatography. The final product specification in the fo

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Trayler, Robin B., Stephen R. Meyers, Bradley B. Sageman, and Mark D. Schmitz. "Bayesian integration of astrochronology and radioisotope geochronology." Geochronology 6, no. 1 (2024): 107–23. http://dx.doi.org/10.5194/gchron-6-107-2024.

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Abstract. Relating stratigraphic position to numerical time using age–depth models plays an important role in determining the rate and timing of geologic and environmental change throughout Earth history. Astrochronology uses the geologic record of astronomically derived oscillations in the rock record to measure the passage of time and has proven to be a valuable technique for developing age–depth models with high stratigraphic and temporal resolution. However, in the absence of anchoring dates, many astrochronologies float in numerical time. Anchoring these chronologies relies on radioisotop

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Timofeeva, L. A. "Evaluation of the effectiveness of the double indicator method of scintigraphy in the differential diagnosis of thyroid nodules." Kazan medical journal 93, no. 3 (2012): 447–50. http://dx.doi.org/10.17816/kmj1864.

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Aim. To evaluate the effectiveness of double indicator scintigraphy in the differential diagnosis of thyroid nodules. Methods. Analyzed was the data of radionuclide investigations of 25 patients with thyroid disease at the age of 36 to 72 years, who were operated on in 2009-2011. The radioisotope study was conducted in two stages. Evaluation of the scintigraphic uptake pattern of the radiopharmaceutical in the studied areas was performed visually and quantitatively. Results. The scintigraphic results were compared with cytological and histological studies. In the diagnosis of papillary thyroid

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Hsieh, You-Lo, Debra A. Timm, and Joanne Merry. "Bacterial Adherence on Fabrics by a Radioisotope Labeling Method." Textile Research Journal 57, no. 1 (1987): 20–28. http://dx.doi.org/10.1177/004051758705700104.

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Setiawan, Duyeh, and Titin Sri Mulyati. "PEMBUATAN DAN ANALISIS FISIKO-KIMIA RADIOISOTOP SKANDIUM-47 (47Sc) DARI BAHAN SASARAN TITANIUM OKSIDA ALAM." Jurnal Sains dan Teknologi Nuklir Indonesia 16, no. 2 (2015): 63. http://dx.doi.org/10.17146/jstni.2015.16.2.2379.

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Radioisotop skandium-47 (47Sc) memiliki waktu paruh 3,35 hari, pemancar energi beta, Eβmax 0,441 MeV (68 %) dan 0,601 MeV (32 %), serta pemancar energi gamma, Eγ 159 keV (68 %). Radioisotop 47Sc dihasilkan oleh iradiasi neutron cepat dari target titanium berdasarkan reaksi inti 47Ti (n, p) 47Sc. Metode pemisahan 47Sc menggunakan cara kromatografi kolom dengan matriks Dowex AG 50W-x4 dalam bentuk kation (H+), selanjutnya 47Sc dielusi dengan HCl 4 M. Radioisotop 47Sc digunakan dalam bidang kedokteran nuklir untuk radioterapi dengan metode pencitraan. Karakteristik fisiko-kimia suatu sediaan radi

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Kondrashkin, I. E., V. E. Fedorov, V. Y. Barsukov, Y. I. Orlova, and L. F. Zhandarova. "Metastases to Regional Lymph Nodes in Breast Cancer: Current Views of Detection Methods." Creative surgery and oncology 15, no. 2 (2025): 53–63. https://doi.org/10.24060/2076-3093-2025-15-2-53-63.

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In Russia, breast cancer is the most prevalent oncological pathology among female patients, accounting for approximately 22.5% of all cancer cases. Approximately 90% of mortalities associated with this condition are attributed to the metastasis of cancer cells. Consequently, the effective detection of metastases within the regional lymphatic system during breast tumor progression is a critical diagnostic component. In recent decades, methodologies for verifying metastatic regional lymph nodes in breast cancer patients have advanced significantly, demonstrating high efficacy. The identification

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Molo, Yosefina, Bartholomeus Pasangka, and Jehunias Leonidas Tanesib. "INVESTIGASI KANDUNGAN RADIOISOTOP DALAM SAMPEL BATUAN DI MUARA SUNGAI SUMLILI KUPANG BARAT." Jurnal Fisika : Fisika Sains dan Aplikasinya 5, no. 1 (2020): 11–18. http://dx.doi.org/10.35508/fisa.v5i1.1235.

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Abstrak Masalah pokok yang dikaji di penelitian ini adalah pemetaan dan analisis aktivitas jenis kandungan radioisotop dalam sampel batuan di muara sungai Sumlili Kupang Barat. Tujuan penelitian meliputi : menentukanrange cacah dan aktivitas jenis massa (C) kandungan radioisotop dalam sampel pasir di muara sungai Sumlili Kupang Barat, mengestimasi tingkat kontaminasi radioisotop sesuai standar di sekitar muara sungai Sumlili, dan memetakan sebaran cacah radioisotop pada luasan daerah tertentu yang terjangkau survei di lapangan. Metode penelitian meliputi : observasi/survei, sampling, ser

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Goyal, Amit. "New Technologies for Sentinel Lymph Node Detection." Breast Care 13, no. 5 (2018): 349–53. http://dx.doi.org/10.1159/000492436.

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The ‘standard of care' method for sentinel node mapping is the combination technique using radioisotope and blue dye although some centres use radioisotope or blue dye alone. Radioisotope usage requires licensing, has regulatory issues around handling and disposal of waste, and logistically may be unavailable or difficult to implement in some centres or less developed country. This has led to the development of alternative methods such as superparamagnetic iron oxide (SPIO), fluorescence techniques using indocyanine green (ICG) or fluorescein, computed tomography lymphography, and contrast-enh

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Tran, Luyen Van. "ID2018 Radioisotope Enzymes And Cancer Study." Biomedical Research and Therapy 4, S (2017): 51. http://dx.doi.org/10.15419/bmrat.v4is.261.

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Cancer is a pathological symptom, when abnormal cells appear in certain human tissues or organs. These cells can reproduce beyond the control of normal biological protection mechanism. Because they multiply themselves rapidly, the metabolic process is accelerated, which causes an extreme need for energy, substrate material and catalyzing enzyme. Bases on these needs, we can control the metabolic process by: • Stopping the supply of energy. • Stopping the supply of substrate materials to build up the cell’s structure. • Stopping the catalysis process by breaking out the enzyme’s structure and/o

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Titov, K. S., I. N. Lebedinskiy, I. N. Kuts, et al. "Fluorescent signal lymph node mapping using indocyanine green in early breast cancer patients (Botkin Hospital experience)." Tumors of female reproductive system 20, no. 1 (2024): 52–58. http://dx.doi.org/10.17650/1994-4098-2024-20-1-52-58.

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Modern diagnostic methods with more accurate staging of the tumor process and effective high-tech treatment of breast cancer are very relevant, since this disease ranks first in the structure of cancer morbidity and mortality among women. Mapping of the signal lymph node is an alternative to axillary lymphatic dissection in patients with clinically intact regional lymph nodes (cN0). This allows patients to avoid such formidable, often and disabling complications of lymphatic dissection as prolonged postoperative lymphorrhea and lymphatic swelling of the upper extremity (lymphostasis). Radioiso

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Vitalii, Savchenko. "Composite Radioisotope Coating Parameters and Reflecting Characteristics Calculation Selection Method." International Journal of Advanced Trends in Computer Science and Engineering 8, no. 5 (2019): 2246–51. http://dx.doi.org/10.30534/ijatcse/2019/60852019.

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Choe, Yeong-hun, and Yang Gon Seo. "Cesium Radioisotope Measurement Method for Environmental Soil by Ammonium Molybdophosphate." Clean Technology 22, no. 2 (2016): 122–31. http://dx.doi.org/10.7464/ksct.2016.22.2.122.

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Celiktas, C., and C. Tav. "A method for obtaining the pure annihilation peak of radioisotope." Radiation Measurements 39, no. 5 (2005): 569–72. http://dx.doi.org/10.1016/j.radmeas.2004.10.013.

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Selivanova, M. P., and É. P. Tikhonov. "Radioisotope method of density measurement with a random reference process." Measurement Techniques 32, no. 12 (1989): 1164–67. http://dx.doi.org/10.1007/bf02110863.

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Xin, Yu, Qingquan Pan, and Xiaojing Liu. "Layered target design method for global spectrum optimization of radioisotope production." Annals of Nuclear Energy 211 (February 2025): 110947. http://dx.doi.org/10.1016/j.anucene.2024.110947.

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Malarev, V. I., and A. V. Kopteva. "Using radioisotope method for measuring ice layer thickness in pulp lines." IOP Conference Series: Earth and Environmental Science 87 (October 2017): 032022. http://dx.doi.org/10.1088/1755-1315/87/3/032022.

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Komosiński, J. E. "Radioisotope Method of Investigation of Cultivated Plants Seeds Arrangement in Soil." Isotopenpraxis Isotopes in Environmental and Health Studies 26, no. 5 (1990): 199–204. http://dx.doi.org/10.1080/10256019008624278.

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Heitz, C., G. Lagarde, A. Pape, et al. "Radioisotope induced x-ray emission — a complementary method to pixe analysis." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 14, no. 1 (1986): 93–98. http://dx.doi.org/10.1016/0168-583x(86)90429-5.

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Belov, Anton A., Oleg O. Shichalin, Evgeniy K. Papynov, et al. "An SPS-RS Technique for the Fabrication of SrMoO4 Powellite Mineral-like Ceramics for 90Sr Immobilization." Materials 16, no. 17 (2023): 5838. http://dx.doi.org/10.3390/ma16175838.

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This paper reports a method for the fabrication of mineral-like SrMoO4 ceramics with a powellite structure, which is promising for the immobilization of the high-energy 90Sr radioisotope. The reported method is based on the solid-phase “in situ” interaction between SrO and MoO3 oxides initiated under spark plasma sintering (SPS) conditions. Dilatometry, XRD, SEM, and EDX methods were used to investigate the consolidation dynamics, phase formation, and structural changes in the reactive powder blend and sintered ceramics. The temperature conditions for SrMoO4 formation under SPS were determined

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Robinson, Lary A. "Radioisotope-Guided Surgical Biopsy of Suspected Osseous Metastases." Cancer Control 4, no. 6 (1997): 516–22. http://dx.doi.org/10.1177/107327489700400605.

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Background Radioisotope bone scanning is frequently used to stage patients with suspected or proven malignancies. Since false-positive results are common, especially in the ribs, open biopsy is often necessary. The conventional approach of visual inspection of the bone scan image to guide the surgeon usually requires excision of a large area of one or two ribs to assure that the biopsy was performed on the correct rib. A more precise method to guide the biopsy is desirable. Methods One technique to localize the suspicious area of bone intraoperatively for accurate biopsy involves percutaneous

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De Celis, Benito. "X-ray Fluorescence Analysis of Gold Ore." Applied Spectroscopy 50, no. 5 (1996): 572–75. http://dx.doi.org/10.1366/0003702963905853.

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A method to obtain high sensitivity and accuracy for nondestructive analysis of gold ore is proposed. The applied technique is energy-dispersive X-ray fluorescence, using a Co-57 radioisotope source to excite gold K X-rays in the sample, and a high-purity Ge (HPGe) detector with a range of energies from 1 keV to 4 MeV. The use of radioisotope sources and K X-rays gives some advantages in comparison with other analytical techniques and the usual tube excitation L X-ray analysis: the high sensitivity to concentrations of 1 ppm, the absence of interferences from other elements present in the matr

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Nenasheva, T. M. "Classification of microvascular lesions in chronic diffuse glomerulonephritis." Kazan medical journal 69, no. 2 (1988): 126–27. http://dx.doi.org/10.17816/kazmj97224.

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The aim of the work was early detection of vascular pathology in chronic glomerulonephritis by complex study of microcirculation parameters: bulbar conjunctival biomicroscopy using slit lamp, state of vascular permeability according to V.P. Kaznacheev and A.A. Dzizinsky method and radioisotope method depending on the form and stage of the disease.

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Iijima, Takehiko, Yasuhide Iwao, and Hiroshi Sankawa. "Circulating Blood Volume Measured by Pulse Dye-Densitometry." Anesthesiology 89, no. 6 (1998): 1329–35. http://dx.doi.org/10.1097/00000542-199812000-00009.

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Background Pulse dye-densitometry (PDD) is a newly developed technique for monitoring the arterial concentration of indocyanine green. Using this method, circulating blood volume (CBV) can be calculated without using radioisotopes. In this study, the CBV value obtained by PDD was validated by comparison using the human serum albumin ((131)I-HSA) dilution method. Methods Eleven healthy volunteers underwent placement of cannulae into the radial artery and antecubital vein for withdrawal of blood samples and injection of indicator. Probes for PDD were attached to the right nostril and the right i

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Agrawal, Sanjit Kumar, Izideen Hashlamoun, Banira Karki, Abhishek Sharma, Indu Arun, and Rosina Ahmed. "Diagnostic Performance of Indocyanine Green Plus Methylene Blue Versus Radioisotope Plus Methylene Blue Dye Method for Sentinel Lymph Node Biopsy in Node-Negative Early Breast Cancer." JCO Global Oncology, no. 6 (September 2020): 1225–31. http://dx.doi.org/10.1200/go.20.00165.

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PURPOSE Sentinel lymph node biopsy (SLNB) by dual-dye method (radioisotope plus blue) is the gold standard for axillary staging in patients with breast cancer, but in developing countries, logistic issues and financial constraint play a vital role. Recently, indocyanine green (ICG) has emerged as an alternative to radioisotope (technetium-99 [Tc-99]) for SLNB in breast cancer. This study compared the diagnostic performance of Tc-99 plus methylene blue (MB) dye versus ICG + MB dye SLNB. METHODS Two hundred seven patients with early breast cancer (T1-3N0) were included in the study from 2017 to

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Bakraji, Elias Hanna, Rana Abboud, and Haissm Issa. "Provenance Study of Archaeological Ceramics from Syria Using XRF Multivariate Statistical Analysis and Thermoluminescence Dating." Journal of Ceramics 2014 (March 11, 2014): 1–6. http://dx.doi.org/10.1155/2014/681017.

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Thermoluminescence (TL) dating and multivariate statistical methods based on radioisotope X-ray fluorescence analysis have been utilized to date and classify Syrian archaeological ceramics fragment from Tel Jamous site. 54 samples were analyzed by radioisotope X-ray fluorescence; 51 of them come from Tel Jamous archaeological site in Sahel Akkar region, Syria, which fairly represent ceramics belonging to the Middle Bronze Age (2150 to 1600 B.C.) and the remaining three samples come from Mar-Takla archaeological site fairly representative of the Byzantine ceramics. We have selected four fragmen

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Artun, Ozan. "Accelerator Production Method in 140Nd/140Pr Radioisotope Generator Based on Electron Capture." Brazilian Journal of Physics 51, no. 3 (2021): 592–98. http://dx.doi.org/10.1007/s13538-021-00858-y.

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Lee, Heung-Nae, Seung-Dae Yang, Kwang-Yong Jee, and Se-Chul Sohn. "Determination of Tritium Content in Radioisotope Wastes by a Wet Oxidation Method." Bulletin of the Korean Chemical Society 30, no. 12 (2009): 3095–97. http://dx.doi.org/10.5012/bkcs.2009.30.12.3095.

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