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View article: A dosimetric evaluation using the Monte Carlo method considering geometric variations of the Iodine-125 seed for brachytherapy
A dosimetric evaluation using the Monte Carlo method considering geometric variations of the Iodine-125 seed for brachytherapy Open
The Institute for Energy and Nuclear Research – IPEN-CNEN/SP is uniquely positioned to develop a new source of Iodine-125 for brachytherapy treatment. Therefore, research into the dosimetric process and source design is widely studied. Tas…
View article: The Radioactive Seed localization For Impalpable Breast Cancer Conservative Surgery: Meta-Analysis
The Radioactive Seed localization For Impalpable Breast Cancer Conservative Surgery: Meta-Analysis Open
Introduction This study performs a meta-analysis of the Radioactive seed localization (RSL) technique efficiency for women who underwent impalpable breast lesions surgical localization, in comparison with Radio-guided occult lesion localiz…
View article: Evaluation of the Possible Benefits of Breast Cancer Screening in Women Aged 40 to 49 Years in the Steel Valley Region, Brazil
Evaluation of the Possible Benefits of Breast Cancer Screening in Women Aged 40 to 49 Years in the Steel Valley Region, Brazil Open
Background: This study investigates the effectiveness of mammographic screening for women aged 40 to 49 in Brazil's Steel Valley Region. Despite a Ministry of Health recommendation to start screenings at 50, 25% of breast cancer cases occu…
View article: Radioactive Seed Localization for Nonpalpable Breast Lesions: Systematic Review and Meta-Analysis
Radioactive Seed Localization for Nonpalpable Breast Lesions: Systematic Review and Meta-Analysis Open
Background: This study is a systematic review with meta-analysis comparing radioactive seed localization (RSL) versus radio-guided occult lesion localization (ROLL) and wire-guided localization (WGL) for patients with impalpable breast can…
View article: Review of Advances in Coating and Functionalization of Gold Nanoparticles: From Theory to Biomedical Application
Review of Advances in Coating and Functionalization of Gold Nanoparticles: From Theory to Biomedical Application Open
Nanoparticles, especially gold nanoparticles (Au NPs) have gained increasing interest in biomedical applications. Used for disease prevention, diagnosis and therapies, its significant advantages in therapeutic efficacy and safety have been…
View article: Assessment of public perception of radioactivity in Brazil
Assessment of public perception of radioactivity in Brazil Open
Nuclear energy divides public opinion with its “good” and “bad” applications. Almost immediately after the discovery of radiation, radioactive elements purified by the Curies were used in health treatments, but with the nuclear bombs of Hi…
View article: Evaluation of a Direct Ion Storage dosimeter efficiency to measure dose during interventional cardiology procedures
Evaluation of a Direct Ion Storage dosimeter efficiency to measure dose during interventional cardiology procedures Open
Intracardiac electrophysiological invasive procedures guided by fluoroscopy aim to study the cardiac depolarization process. Depending on the complexity of the clinical case, both patients and professionals are subjected to radiation for a…
View article: How does radioisotope thermoelectric generator (RTG) work
How does radioisotope thermoelectric generator (RTG) work Open
Demand for energy has increasing rapidly in the last decade. In 2021 an increase in 5% was observed. Half of this demand was covered by fossil fuels, increasing CO2 emissions to record levels. With the need for new reliable steady supply s…
View article: Synthesis, In Vitro Testing, and Biodistribution of Surfactant-Free Radioactive Nanoparticles for Cancer Treatment
Synthesis, In Vitro Testing, and Biodistribution of Surfactant-Free Radioactive Nanoparticles for Cancer Treatment Open
New forms of cancer treatment, which are effective, have simple manufacturing processes, and easily transportable, are of the utmost necessity. In this work, a methodology for the synthesis of radioactive Gold-198 nanoparticles without the…
View article: Radioactive Seed Localization for Conservative Surgery of Nonpalpable Breast Cancer: Recommendations for Technology Implantation Program
Radioactive Seed Localization for Conservative Surgery of Nonpalpable Breast Cancer: Recommendations for Technology Implantation Program Open
Background: The radioactive seed localization (RSL) is used in impalpable breast cancer conservative surgery to assist the surgeon in accurately locating and excising the lesion site. This study aims to present recommendations about the RS…
View article: Discrete time domain analysis of radiation detector noise
Discrete time domain analysis of radiation detector noise Open
In this paper, the analysis of radiation detector noise is carried out based on digital signal processing in the discrete time domain. To generate accurate noise models, detector noise sources are analyzed and modeled in the discrete regio…
View article: The basics of radiation damage in crystalline silicon networks by NIEL
The basics of radiation damage in crystalline silicon networks by NIEL Open
Basically, radiation can cause two effects on materials: ionization and non-ionization. This work presented the theory involved in defects caused by non-ionization, known as NIEL, with a focus on silicon materials. When energy is transferr…
View article: Start Here When Performing Radiochemical Reactions
Start Here When Performing Radiochemical Reactions Open
Radiation products are present in several fields of knowledge. From the energy field, with nuclear reactors and nuclear batteries, to the medical field, with nuclear medicine and radiation therapy (brachytherapy). Although chemistry works …
View article: New gold-198 nanoparticle synthesis to be used in cancer treatment
New gold-198 nanoparticle synthesis to be used in cancer treatment Open
Gold nanoparticles (NPs) have been intriguing scientists for over 100 years. Recently, they have been studied for new applications such as cancer treatment. Although the synthesis of gold nanoparticles is extensively reported, in the major…
View article: Review of the methodologies used in the synthesis gold nanoparticles by chemical reduction
Review of the methodologies used in the synthesis gold nanoparticles by chemical reduction Open
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View article: Waste Management Protocols for Iridium-192 Sources Production Laboratory Used in Cancer Treatment in Brazil
Waste Management Protocols for Iridium-192 Sources Production Laboratory Used in Cancer Treatment in Brazil Open
Objective:The iridium-192 wired sources production results in radioactive waste that needs to follow the guidelines.The aim of this study is to do a radioactive waste management of wastes from iridium-192 sources production laboratory used…