Listar Física por procedencia "UCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias Básicas::Centro de Investigación en Ciencias Atómicas Nucleares y Moleculares (CICANUM)"

Mostrando ítems 1-20 de 21

    • Aparato y método para evaluar microfiltración en materiales 

      Conejo Rodríguez, Elian; Chavarría Bolaños, Daniel; Pozos Guillén, Amaury (2017-03-01)
      La presente invención se relaciona al campo de la investigación o análisis de materiales por medio de la determinación de sus características físicas o químicas, más específicamente con la determinación de la permeabilidad ...

    • Biological and dosimetric evaluation of [11C]S-adenosyl methionine as a potential agent for prostate cancer diagnosis 

      Zoppolo Lencina, Florencia; Mora Ramírez, Erick; Reyes Ábalos, Ana Laura; Vasilskis Castro, Elena Beatriz; Paolino Bordo, Andrea; Porcal Quinta, Williams Arturo; Oliver, Patricia; Savio Quevedo, Eduardo; Bardiès, Manuel; Engler, Henry (2018)
      Introduction: [11C]Choline ([11C]COL) has been widely used for prostate cancer diagnosis; however, this radiopharmaceutical is not recommended for patients with a low absolute PSA value (< 1 ng/mL) due to its limited ...

    • Clinical implementation of PLANET® Dose for dosimetric assessment after [177Lu]Lu-DOTA-TATE: comparison with Dosimetry Toolkit® and OLINDA/EXM® V1.0 

      Santoro, Lore; Pitalot, Laurine; Trauchessec, Dorian; Mora Ramírez, Erick; Kotzki, Pierre-Olivier; Bardiès, Manuel; Deshayes, Emmanuel (2021)
      The aim of this study was to compare a commercial dosimetry workstation (PLANET® Dose) and the dosimetry approach (GE Dosimetry Toolkit® and OLINDA/EXM® V1.0) currently used in our department for quantification of the ...

    • Comparison of commercial dosimetric software platforms in patients treated with 177Lu-DOTATATE for peptide receptor radionuclide therapy 

      Mora Ramírez, Erick; Santoro, Lore; Cassol, Emmanuelle; Ocampo Ramos, Juan Camilo; Clayton, Naomi; Kayal, Gunjan; Chouaf, Soufiane; Trauchessec, Dorian; Pouget, Jean-Pierre; Kotzki, Pierre-Olivier; Deshayes, Emmanuel; Bardiès, Manuel (2020)
      Purpose The aim of this study was to quantitatively compare five commercial dosimetric software platforms based on the analysis of clinical datasets of patients who benefited from peptide receptor radionuclide therapy ...

    • Converging science and literature cultures: learning physics via The Little Prince novella 

      Godínez Sandí, Alejandro; Fallas Padilla, Diego Alonso; España Tapia, Sebastián; Zúñiga Villegas, Andrea; Castro Mora, Milena; Herrera Sancho, Óscar Andrey (2018)
      Primary level education follows a pedagogy model where literature and science have been historically separated. Natural children processes are disrupted, as learning based on play curiosity is completely transformed by a ...

    • Desarrollo de pruebas de control de calidad de manera remota en equipos de mamografía digital 

      Mora Rodríguez, Patricia; Soto Chinchilla, Yerry (2018)
      Mediante la participación de Costa Rica en el proyecto del OIEA/CRP E1.30.39: Mejora de la capacidad para la detección temprana y el diagnóstico del cáncer de mama a través de imágenes, como uno de sus objetivos; se inician ...

    • Dose distribution for CBCT as an aid for radiation protection in dentistry 

      Campos Méndez, José Daniel; Arce Corrales, Luis; Barba Ramírez, Lucía; Noguera Vega, Gerardo; Mora Ramírez, Erick; Umaña Wong, Alejandra (2023)
      To characterize effective dose distributions in the craniofacial area for different acquisition parameters of dental cone beam CT, thermoluminescent dosimeters (TLD) were placed within an anthropomorphic phantom for ...

    • Dosimeter arrangement for effective dose and isodose curves desterminations into craniofacial cavity 

      Campos Méndez, José Daniel; Noguera Vega, Gerardo (2023)
      Tomographic dental imaging with cone beam computed tomography has developed so fast in Costa Rica, in the absence of investigations to determine the absorbed dose by the patients, we propose a TLD dosimeter array into RANDO ...

    • Dosimetry and Toxicity Studies of the Novel Sulfonamide Derivative of Sulforhodamine 101([18f]srf101) at a Preclinical Level 

      Kreimerman, Ingrid; Mora Ramírez, Erick; Reyes, Laura; Bardiès, Manuel; Savio Quevedo, Eduardo; Engler, Henry (2019)
      Abstract: Background: The SR101 N-(3-[18F]Fluoropropyl) sulfonamide ([18F]SRF101) is a Sul forhodamine 101 derivative that was previously synthesised by our group. The fluorescent dye SR101 has been reported as a marker ...

    • Energy exchange between atoms with a quartz crystal μ-balance 

      Guevara Bertsch, Milena; Chavarría Sibaja, Andrés; Godínez Sandí, Alejandro; Herrera Sancho, Óscar Andrey (2018)
      We propose an experimental method to fully characterize the energy exchange of particles during the physical vapor deposition (PVD) process of thin surface layers. Our approach is based on the careful observation of ...

    • Evaluación de la Seguridad Radiológica del CICANUM: Laboratorio de Metrología de Radiaciones Ionizantes y Almacén de Residuos Radiactivos 

      Noguera Vega, Gerardo; Mora Rodríguez, Patricia (2018)
      El Centro de Investigación en Ciencias Atómicas, Nucleares y Moleculares (CICANUM) posee laboratorios que constituyen un riesgo radiológico latente, tales como, el Laboratorio de Metrología de Radiaciones Ionizantes (LMRI) ...

    • Evaluation of [18F] FNM biodistribution and dosimetry based on whole-body PET imaging of rats 

      Salabert, Anne Sophie; Mora Ramírez, Erick; Beaurain, Marie; Alonso, Mathieu; Fontan, Charlotte; Tahar, Hafid Belhadj; Boizeau, Marie Laure; Tafani, Mathieu; Bardiès, Manuel; Payoux, Pierre (2018)
      Introduction: The aim of this work was to study the biodistribution, metabolism and radiation dosimetry of rats injected with [18F]FNM using PET/CT images. This novel radiotracer targeting NMDA receptor has potential ...

    • Implementation of patient dosimetry in the clinical practice after targeted radiotherapy using [177Lu-[DOTATO,Tyr3]-octreotate 

      Santoro, Lore; Mora Ramírez, Erick; Trauchessec, Dorian; Chouaf, Soufiane; Eustache, Pierre; Pouget, Jean-Pierre; Kotzki, Pierre-Olivier; Bardiès, Manuel; Deshayes, Emmanuel (2018-11-29)
      Background: This study’s aim was to develop our dosimetric methodology using a commercial workstation for the routine evaluation of the organs at risk during peptide receptor radionuclide therapy (PRRT) with 177Lu. Methods: ...

    • Improvement of early detection of breast cancer through collaborative multi-country efforts: Medical physics component 

      Mora Rodríguez, Patricia; Faulkner, Keith; Mahmoud, Ahmed M.; Gershan, Vesna; Kausik, Aruna; Zdesar, Urban; Brandan, María Ester; Kurt, Serap; Davidović, Jasna; Salama, Dina H; Aribal, Erkin; Odio Salazar, Clara; Chaturvedi, Arvind K.; Sabih, Zahida; Vujnović, Saša; Paez, Diana; Delis, Harry (2018)
      Purpose: The International Atomic Energy Agency (IAEA) through a Coordinated Research Project on “Enhancing Capacity for Early Detection and Diagnosis of Breast Cancer through Imaging”, brought together a group of mammography ...

    • Modelling SPECT auto-contouring acquisitions for 177Lu & 131I molecular radiotherapy using new developments in Geant4/GATE 

      Kayal, Gunjan; Chauvin, Maxime; Mora Ramírez, Erick; Clayton, Naomi; Vergara Gil, Alex; Tran Gia, Johannes; Lassmann, Michael; Calvert, Nicholas; Tipping, Jill; Struelens, Lara; Bardiès, Manuel (2022)
      Purpose Monte Carlo modelling of SPECT imaging in Molecular Radiotherapy can improve activity quantification. Until now, SPECT modelling with GATE only considered circular orbit (CO) acquisitions. This cannot reproduce ...

    • Monte Carlo dosimetry of a realistic multicellular model of follicular lymphoma in a context of radioimmunotherapy 

      Bordes, Julien; Incerti, Sébastien; Mora Ramírez, Erick; Tranel, Jonathan; Rossi, Cédric; Bezombes, Christine; Bordenave, Julie; Bardiès, Manuel; Brown, Richard; Bordage, Marie Claude (2020)
      Purpose Small-scale dosimetry studies generally consider an artificial environment where the tumors are spherical and the radionuclides are homogeneously biodistributed. However, tumor shapes are irregular and radiopharmaceutical ...

    • OpenDose: Open access resources for nuclear medicine dosimetry 

      Chauvin, Maxime; Borys, Damian; Botta, Francesca; Bzowski, Pawel; Dabin, Jérémie; Denis Bacelar, Ana M.; Desbrée, Aurélie; Falzone, Nadia; Lee, Boon Quan; Mariani, Andrea; Malaroda, Alessandra; Mathieu, Gilles; McKay, Erin; Mora Ramírez, Erick; Robinson, Andrew P.; Sarrut, David; Struelens, Lara; Vergara Gil, Alex; Bardiès, Manuel (2020)
      Radiopharmaceutical dosimetry depends on the localization in space and time of radioactive sources and requires the estimation of the amount of energy emitted by the sources deposited within targets. In particular, when ...

    • Ozonesonde Quality Assurance: The JOSIE–SHADOZ (2017) Experience 

      Thompson, Anne M.; Smit, Herman G. J.; Witte, Jacquelyn C.; Stauffer, Ryan M.; Johnson, Bryan J.; Morris, Gary; von der Gathen, Peter; Van Malderen, Roeland; Davies, Jonathan; Piters, Ankie; Allaart, Marc; Posny, Françoise; Kivi, Rigel; Cullis, Patrick; Hoang Anh, Nguyen Thi; Corrales, Ernesto; Machinini, Tshidi; da Silva, Francisco R.; Paiman, George; Thiong’o, Kennedy; Zainal, Zamuna; Brothers, George B.; Wolff, Katherine R.; Nakano, Tatsumi; Stübi, Rene; Romanens, Gonzague; Coetzee, Gert J. R.; Díaz Díaz, Jorge Andrés; Mitro, Sukarni; Mohamad, Maznorizan; Ogino, Shin-Ya (2019)
      The ozonesonde is a small balloon-borne instrument that is attached to a standard radiosonde to measure profiles of ozone from the surface to 35 km with ∼100-m vertical resolution. Ozonesonde data constitute a mainstay of ...

    • QA Programme of the TLD laboratory of the University of Costa Rica: IEC 61066 testing 

      Mora Rodríguez, Patricia; Porra Chaverri, Mariela (2008)
      The Thermoluminescence Personal Dosimetry Laboratory of the University of Costa Rica provides dose measurements for around 90% of occupational radiation workers in the country. The assessment of doses to workers routinely ...

    • Sesión "Medicina nuclear" 

      Estrada Lobato, Enrique; Alonso Farto, Juan Carlos; De Haro Del Moral, Francisco Javier; Cerci, Juliano Julio; Rodríguez Pérez, J. L.; Vázquez Peña, E.; Godinho, F.; Mora Ramírez, Erick; Tinoco Mezquita, F.; Mut Bastos, F.; Savio Quevedo, Eduardo; Penedo Ojea, M. ; Ramírez Quijada, R. (2017-01)
      En la sesión dedicada a la Medicina Nuclear (MN) se identificaron los cinco aspectos que se consideran más problemáticos en la protección radiológica en MN. Estos hacen referencia a: 1. Garantizar que la dosis administrada ...