National Institute of Science and Technology of Metrology of Radiations in Medicine Management committee Linda V. E. Caldas (Coordinator) Laura Natal Rodrigues (Vice-coordinator) Letícia Lucente Campos Rodrigues Maria da Penha Albuquerque Potiens Vitor Vivolo Main researchers Elisabeth Mateus Yoshimura, Emico Okuno, Paulo Roberto Costa, Regina Bitelli Medeiros, Ana Claudia Patrocínio, Silvio Ricardo Pires, Alessandro Martins da Costa, Martin Eduardo Poletti, Patrícia Nicolucci, Luiz Antonio Ribeiro da Rosa, Simone Kodlulovich Dias, Lídia Vasconcellos, Teógenes Augusto da Silva, Maria do Socorro Nogueira, Luiz Cláudio Meira Bello, Thêssa Cristina Alonso, Hudson Rubio Ferreira, Mércia Liane de Oliveira, Fabiana Farias de Lima Guimarães, Ana Figueiredo Maia, Susana Oliveira de Souza, Albérico Blohem de Carvalho Júnior, Laélia Pumilla Botelho Campos dos Santos, Márcia Regina Pereira Attie Main research topics Development of reference systems and methods of ionizing radiation measurements; Development of new dosimetric materials and dosimetric methodologies; Application of nanomaterials in Radiological Protection; Instrumentation for evaluation of safety and quality of radiology equipment; Validation and implementation of the systems for: performance tests of dosimeters for diagnostic radiology; patient dose measurements; and evaluation of image quality; Development of an independent system for quality assurance in radiotherapy; Development of thermoluminescent detectors and phantoms. Summary of achievements and perspectives • Conclusion of the engineering project for the extension of the Calibration Laboratory/IPEN; • Comparative study among calibration methods of beta radiation clinical applicators; • Quality control programme implementation for X radiation equipments using non invasive meters; • Standardization of the Fricke gel dosimetry method and tridimensional dose evaluation using the magnetic resonance imaging technique; • Evaluation of the quality control tools for patients treated with IMRT; • Feasibility of using a cobalt therapy unit for stereotactic radiosurgery; • Study of the influence of metallic heterogeneities in breast prothesis in radiotherapy treatments; • Intercomparation of activity measurements of radiopharmaceuticals utilized in Nuclear Medicine Services at the Brazilian Northeast; • Study of materials for use in head phantoms in Computed Tomography beams; • Study of the application of new materials in retrospective dosimetry.
Main publications • Silva,M.P; Tomal,A; Perez,C.A; Ribeiro,S.A; Poletti,M.E. Determination of Ca,Fe,Cu and Zn and their correlations in breast cancer and normal adjacent tissues. X-ray Spectrom.(38)103-111, 2009. • Costa,A.M; Barbi,G; Bertucci,E.C; Ferreira,H; Sansavino,S; Colenci,B; Caldas,L.V.E. In vivo dosimetry with thermoluminescent dosimeters in external photon beam radiotherapy. Appl. Radiat. Isot. (68)760-762, 2010. • Cavinato,C.C; Rodrigues,O; Cervantes,J.H; Rabbani,S.R; Campos,L.L. A dosimetric evaluation of tissue equivalent phantom prepared using 270 Bloom gelatin for absorbed dose imaging in Gamma knife radiosurgery. J. Phys. Conf. Ser.(164)012016-5, 2009. • Maia,A.F; Caldas,L.V.E. Response of TL materials to diagnostic radiology X radiation beams. Appl. Radiat. Isot.(68)780-783, 2010. Contacts Instituto de Pesquisas Energéticas e Nucleares Comissão Nacional de Energia Nuclear. Av. Prof. Lineu Prestes, 2242 Cidade Universitária 05508-000 - São Paulo, SP - Brasil E-mail: inct.mrm@ipen.br Página eletrônica: www.ipen.br/inct
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