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A. Gayol , R. G. Figueroa, J. Guarda, J. Leiva, F. Leyton, F. Malano, & M. Valente.
(2024)
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Effects on the accelerating electron bunches due to the presence of sulfur hexafluoride or air in the linac waveguide. Applied Radiation and Isotopes. 205. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2023.111155.
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R. G. Figueroa, J. Guarda, J. Leiva, F. Leyton, E. Quilaguilque, B. Casanelli & M. Valente,.
(2022)
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OXIRIS Project: development of a new XRF device for the simultaneous detection and treatment of cancer. X-Ray Spectrometry. 51. DOI: https://doi.org/DOI: 10.1002/xrs.3272..
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P.Pérez, P. Rico-Torres, A. Bruna, M,.Brunetto, E.Aon, D. Franco, F. Mattea, R. G. Figueroa, M.Santibáñez & M.Valente.
(2021)
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Fricke gel xylenol orange dosimeter layers for stereotactic radiosurgery: A preliminary approach. Applied Radiation and Isotopes. 178. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2021.109936.
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R. Figueroa, F Geser, J López-Correa, F Malano, & M Valente..
(2021)
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Monte Carlo study of a convergent X-ray beam for high resolution X-ray fluorescence imaging. Applied Radiation and Isotopes. 170. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2021.109610.
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R. G. Figueroa, J. Guarda, J. Leiva, F.Malano & M. Valente.
(2021)
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Dosimetry of tumor targeting imaging by convergent X-ray beam as compared with nuclear medicine. Applied Radiation and Isotopes. 167. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2020.109451.
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J. Guarda, M.Valente & R. G. Figueroa.
(2021)
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Development and characterisation of a confocal detection array for K-lines of heavy metals in big light matrix. Radiation Physics and Chemistry. 179. DOI: https://doi.org/https://doi.org/10.1016/j.radphyschem.2020.109116.
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M. Valente, R G Figueroa and J. Fernández.
(2020)
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Editorial SARX-JFMF 2018. Applied Radiation and Isotopes. 157. DOI: https://doi.org/doi: 10.1016/j.apradiso.2019.109006.
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M.Santibáñeza, M.Vásquez, A. Silva, F.Malano, M.Valenteb, and R.G. Figueroa.
(2019)
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A high-sensitivity and low dose energy-dispersive X-ray fluorescence system for identification of gadolium accumulations in planar X-ray fluorescence images. Applied Radiation and Isotopes. 151. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2019.05.007.
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Malano F. , Mattea F, Geser F. , Pérez P., Barraco D., Santibáñez M, Figueroa R. G. & Valente M..
(2019)
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Assessment of FLUKA, PENELOPE and MCNP6 Monte Carlo codes for estimating gold fluorescence applied to the detection of gold-infused tumoral volumes. Applied Radiation Isotope. 151. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2019.06.017.
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V. Beltrán, M. Lazzarini, R. G. Figueroa, V. Sousa and W. Engelke.
(2019)
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In situ endoscopic analysis of vascular supply and regenerated alveolar bone in β-TCP grafted and un-grafted post extraction sites before implant placement. A prospective case control study. BioMed Research International. 6. DOI: https://doi.org/https://doi.org/10.1155/2019/2797210.
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R. G. Figueroa L.Rojas and M.Valente.
(2019)
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Trajectory control of electron beams using high intensity permanent magnests for linac-adaptable convergent beam radiotherapy. Applied Radiation and Isotopes. 151. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2019.05.032.
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Figueroa R G., Leiva J, Moncada R., Rojas L., Santibáñez M., Valente M., Velásquez J., Young H., Zelada G., Yáñez R., Guillen Y.,.
(2018)
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Theory simulation and experiments for precise deflection control of radiotherapy electron beams Applied Radiation Isotope. Applied Radiation and Isotopes. 141. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2018.03.004.
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F. Geser, A. Leiva Genre, R. Figueroa, M. Vásquez, F. Malano, F. Mattea, M. Santibáñez, J. Velásquez and M. Valente,.
(2018)
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A framework for e + -e - annihilation detection using nanoparticles for tumour targeting in radiotherapy,. IOP Conf. Series: Journal of Physics: Conf. Series. 1043. DOI: https://doi.org/doi :10.1088/1742-6596/1043/1/012060.
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Santibáñez M, Guillen Y, Chacón D, Figueroa R G, Valente M.
(2018)
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Feasibility of dose enhancement assessment: Preliminary results by means of Gd-infused polymer gel dosimeter and Monte Carlo study, Applied Radiation Isotope pii: S0969-8043(17)31419-7, Apr 11 (ISI) (2018). Applied Radiation and Isotopes. 141. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2018.04.016.
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M. Santibañez, R. Saavedra, M. Vasquez, F. Malano, P. Perez, M. Valente and R. G. Figueroa.
(2017)
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Optimization of the sensitivity/doses relationship for a bench-top EDXRF system used for in vivo quantification of gold nanoparticles. Applied Radiation and Isotopes. 129. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2017.08.006.
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J. Vedelago, D. Chacon Obando, F. Malano, R. Conejeros, R. Figueroa, D. Garcia, G. Gonzalez , M. Rome.
(2016)
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Fricke and polymer gel 2D dosimetry validation using Monte Carlo Simulation. Radiation Measurements. 91. DOI: https://doi.org/https://doi.org/10.1016/j.radmeas.2016.05.003.
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M. Santibañez, A. Díaz and R.G. Figueroa.
(2016)
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Minimum detection time (MDT) for elemental EDXRF images. X-Ray Spectrometry (2015),. 45. DOI: https://doi.org/https://doi.org/10.1002/xrs.2674.
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R.G. Figueroa, M.Santibañez, C.N.Valde and M.Valente.
(2016)
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Characterization of hemispherical area X-ray detector based on set of proportional counters with needle anodes. Applied Radiation and Isotopes. 107. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2015.10.027.
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M. Santibañez · M. Vasquez· R. G. Figueroa and M. Valente,.
(2016)
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Evaluation of EDXRF configurations to improve the limit of detection and exposure for in vivo quantification of gadolinium in tumor tissue. Radiation Physics and Chemistry. 122. DOI: https://doi.org/https://doi.org/10.1016/j.radphyschem.2016.01.015.
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F. A. Geser, D. Chacón, R. Figueroa, Malano, M. Santibañez and M. Valente.
(2016)
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Characterization of the VARIAN ® PaxScan 2020+ flat panel detector for quantitative X-ray imaging. X-Ray Spectrometry. 45. DOI: https://doi.org/https://doi.org/10.1002/xrs.2683.
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M. Valente, R. G. Figueroa, F. Malano, W. Molina, P. Perez and J. Vedelago.
(2016)
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Fricke Gel Dosimeter with Improved Sensitivity for Low Dose Level Measurements. Journal Of Applied Clinical Medical Physics. 17. DOI: https://doi.org/doi: 10.1120/jacmp.v17i4.5626..
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S. Triviño, J. Vedelago, F. Cantargi, W. Keil, R. Figueroa, F. Mattea A. Chautemps, M. Santibañez e,h , M. Valente,.
(2016)
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Neutron dose estimation in a zero power nuclear reactor. Radiation Physics and Chemistry. 127. DOI: https://doi.org/https://doi.org/10.1016/j.radphyschem.2016.06.011.
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R. G. Figueroa, and M. Valente.
(2016)
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Dosimetric and Breemstralung performance of a single convergent beam for teletherapy device. Physica Medica. 32. DOI: https://doi.org/https://doi.org/10.1016/j.ejmp.2016.10.003.
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P. Pérez, G. Dedossi, R. G. Figueroa, M. Santibañez, J. Vedelago and M. Valente.
(2016)
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Ensayo estructural no destructivo utilizando microtomografía de rayos X para estimación de diferencias de densidad Másica en muestras óseas de conejo. International Journal of Morphology. 34. DOI: https://doi.org/http://dx.doi.org/10.4067/S0717-95022016000400010.
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R. G. Figueroa , M. Santibañez,, F. Malano and M. Valente.
(2015)
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Optimal configuration for detection of gold nano-particles in tumors using Kb X-ray fluorescence line. Radiation Physics and Chemistry. 117. DOI: https://doi.org/https://doi.org/10.1016/j.radphyschem.2015.08.017.
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R. G. Figueroa, M. Valente,.
(2015)
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Physical characterization of single convergent beam device for teletherapy: Theoretical and Monte Carlo approach. Physics in Medicine and Biology. 60. DOI: https://doi.org/http://dx.doi.org/10.1088/0031-9155/60/18/7191.
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Publicado
A. Díaz, C. Parra2, C. Valdés, M. Santibañez and R. G. Figueroa.
(2015)
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Determination of kernel emission spectrum of a mini x-ray tube for EDXRF applications. X Ray Spectrometry. 44. DOI: https://doi.org/https://doi.org/10.1002/xrs.2584.
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R. G. Figueroa, E. Lozano, F. Belmar, D. Alcaman, A. von Bohlen, C. A. B. Oliveira, A. L. M. Silva and J. F. C. A. Veloso.
(2014)
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Characteristics of a robust and portable large area X-ray fluorescence imaging system, X Ray Spectrometry. X-Ray Spectrometry. 43. DOI: https://doi.org/https://doi.org/10.1002/xrs.2527.
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A. L. Montero , R.G. Figueroa, A. Diaz J. F. Veloso.
(2013)
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Performance of a gaseous detector based Energy Dispersive X-Ray Fluorescence imaging system: analysis of human teeth treated with dental amalgam. Spectrochimical Acta Part B: Atomic Spectroscopy. 86. DOI: https://doi.org/https://doi.org/10.1016/j.sab.2013.03.005.
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A. L. Montero , R.G. Figueroa, A. Diaz J. F. Veloso.
(2013)
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Performance of a gaseous detector based Energy Dispersive X-Ray Fluorescence imaging system: analysis of human teeth treated with dental amalgam. Spectrochimical Acta Part B: Atomic Spectroscopy. 86. DOI: https://doi.org/https://doi.org/10.1016/j.sab.2013.03.005.
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E. V. Bonzi, N.M.Badiger, G.B.Grad, R. A. Barrea, R. G. Figueroa.
(2012)
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L X-ray fluorescence cross sections experimentally determined for elements with 45 Z 50 at 9 keV. Applied Radiation and Isotopes. 70. DOI: https://doi.org/https://doi.org/10.1016/j.apradiso.2011.12.039.
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E.V.Bonzi, N.M. Badiger, G.B. Grad, R.G. Figueroa.
(2011)
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Measurement of L X-ray fluorescence cross-sections for elements with 45 Z 50 using radiation at 8 KeV. Nuclear Instruments and Methods in Physics Research B. 269. DOI: https://doi.org/9.
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R. G. Figueroa, E. Lozano M. Flores.
(2011)
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Images of X-Ray “Fluorescence in human bones and their potential application in vivo. International Journal of Morphology. 29. DOI: https://doi.org/http://dx.doi.org/10.4067/S0717-95022011000300057.
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M. A. Flores, W. Lebrecht, and R. G. Figueroa.
(2011)
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Mathematical Algorithm to Directly Quantify the Convergence Angle in Tooth Preparations Dyes. International Journal od Morphology. 29. DOI: https://doi.org/http://dx.doi.org/10.4067/S0717-95022011000400007.
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V. Delgado & R. G. Figueroa.
(2008)
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Existence uniqueness and calculation of the physically acceptable solution of a particular case of the Sherman equation. Journal of Mathematical and Chemestry. 43. DOI: https://doi.org/https://doi.org/10.1007/s10910-007-9260-8.
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R. Figueroa, M. García.
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Fluorescent intensity fall when the energy of incident beam it reaches an absorption edge. Avances en Análisis por Técnicas de Rayos X. 12.
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R. Figueroa and M. García.
(2004)
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Resolution and sensitivity for an alternative X-ray fluorescence method: SEICXRF. Radiation Physics and Chemistry. 71. DOI: https://doi.org/https://doi.org/10.1016/j.radphyschem.2004.04.062.
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M. García, R. Figueroa y R. Rivera,.
(2003)
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Algorithm of fundamental parameters for the SEICXRF method. X-Ray Spectrometry. 32. DOI: https://doi.org/https://doi.org/10.1002/xrs.642.
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R. Figueroa, D. Brusa and M. García.
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Comparison between intensity jumps in experimental, simulated and theoretical multielemental spectra. X-Ray Spectrometry. 32. DOI: https://doi.org/https://doi.org/10.1002/xrs.643.
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R. Figueroa.
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Selective excitation and integral counting of sample emission photons X-Ray fluorescence SEICXRF. X-Ray Spectrometry. 32. DOI: https://doi.org/https://doi.org/10.1002/xrs.641.
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C. M. Romo-Kröger, L. Cornejo-Ponce, J. R. Morales, M. I. Dinator, M. J. Avila, V. H. Poblete, J. Galvez, A. Goldschmidt, A. Trier, J. Valdes, C. M. Rojas, M. E. Cantillano, R. Vera, R. G. Figueroa, M. Garcia.
(2002)
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An overview of X-Ray spectrometry at research centers in Chile X-Ray Spectrometry, 31, 128-131, 2002. X-Ray Spectrometry. 31. DOI: https://doi.org/https://doi.org/10.1002/xrs.558.
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R. G. Figueroa, D. Caro, A. Vargas, A. Gordon, V. Poblete.
(1995)
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The origin of archaeological samples analyzed by XRF and compared by polygonal graphic representation. Journal of Radio-Analytical And Nuclear Chemistry. 198, 2. DOI: https://doi.org/https://doi.org/10.1007/BF02036546.
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Scopus
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R. Figueroa and F. Belmar.
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A Versatile Hemispherical Great Area X-ray Detector for Synchrotron Radiation”, Synchrotron Radiation In Materials Science, 1092, 0, 2009, 37- 40. ( ISI). AIP Conf. Proc. SYNCHROTRON RADIATION IN MATERIALS SCIENCE:. 1092. DOI: https://doi.org/https://doi.org/10.1063/1.3086230.
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A. Vargas, C. San Martin, R. Figueroa, J. Campos and M. J. Izuel.
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Invariant pattern recognition defocused images. SPIE JournalProceedings of SPIE-The International Society for Optical Engineering. 4419. DOI: https://doi.org/https://doi.org/10.1117/12.437191.
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R. Figueroa and D. Caro,.
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A new method of graphic representation of samples analyzed by XRF, Advances in X-Ray Analysis,. Advances in X-Ray Analysis. 37. DOI: https://doi.org/https://doi.org/10.1154/S0376030800016323.
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SciELO
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R.G. Figueroa, E. Lozano and G. Bongiovanni.
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Element distribution imaging in rat kidney using a 2D rapid EDXRF device. Revista Mexicana de Física. 59. DOI: https://doi.org/https://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0035-001X2013000400002.
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R. G. Figueroa, E. Lozano, M. Valente.
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Dose distribution calculation for in-vivo X-ray fluorescence scanning, Revista Mexicana Física, 2013, 59, 4, 339–342 (ISI).. Revista Mexicana de Física. 59. DOI: https://doi.org/https://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0035-001X2013000400009.
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A. Vargas, R. Figueroa , C. San Martín and J. Marileo.
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Recognition of form with an optic correlators applying defocused images: Invariance by selection and fusion of bands. Revista Mexicana de Física. 52. DOI: https://doi.org/https://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0035-001X2006000300002&lang=es.
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R. Figueroa, D. Caro. A. Vargas.
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Non destructive analysis of archaeological sample by XRF. Revista Latinoamericana de Información Tecnológica. 6. DOI: https://doi.org/https://www.citrevistas.cl/informaciontecnologica/revistait.htm.
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R. Figueroa and A. Riveros.
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Toward a new spectroscopic method for XRF. Nucleotecnica. 19. DOI: https://doi.org/https://inis.iaea.org/search/search.aspx?orig_q=RN:31057591.
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V. Poblete. P. Castillo, R. Figueroa, J. Gálvez,.
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Analysis of atmospheric aerosols trough X-ray fluorescence technique by total reflection. Nucleotecnica. 24, 89-89,1993..
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Otras BD
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R. G. Figueroa, R. Elías, G. Piriz ,J Velásquez, J Cofré, R Fuentes and M. Valente.
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Main features for a new radiotherapy device based on a single convergent beam of photons (RTHC). Revista Latino de Fisica Médica. 2. DOI: https://doi.org/https://www.academia.edu/112395837/Main_Features_for_a_New_Radiotherapy_Device_Based_on_a_Single_Convergent_Beam_of_Photons_RTHC_.
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F. Belmar, D. Alcamán y R. Figueroa.
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Diseño y Construcción de un multicanal de bajo costo en el modo de altura de pulsos (PHA). Avances en Análisis por Técnicas de Rayos X. 14.
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R. G. Figueroa and. G. Bongiovanni.
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Comparación entre diferentes métodos de análisis de aerosoles colectados en filtros de policarbonato por XRF –RS. Avances en Análisis por Técnicas de Rayos X. 14.
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R. Figueroa.
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Simplified Sherman equations for standard addition using and excitation detection selective. Avances en Análisis por Técnicas de Rayos X. 14. DOI: https://doi.org/https://www.researchgate.net/publication/258028741_Simplified_Sherman_equations_for_standard_addition_using_and_excitation_detection_selective.
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V. Delgado and R. Figueroa,.
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Closed solution of Sherman equations when selectively exciting and measuring. Avances en Análisis por Técnicas de Rayos X. 13.
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R. Figueroa y M. García.
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Equivalent mass absorption coefficient and equivalent line energy. Avances en Análisis por Técnicas de Rayos X. 13.
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Rodolfo Figueroa & Marcia García.
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Caída de la Intensidad Fluorescente Cuando la Energía del Haz Incidente Alcanza a un Borde de Absorción. Avances en Análisis por Técnicas de Rayos X. 8.
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R.G. Figueroa & M. Garcia.
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Effect of fluorescent intensity fall when the incident beam energy cross an absorption edge. Etdeweb img U.S. Department of Energy Office of Scientific and Technical Information.
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R. G. Figueroa, and M. Garcia.
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Polygonal Graphic Representations Applied to Semi-Quantitative Analysis for 3 and 4 Elements in XRF. JCPDS-International Centre for Diffraction Data 1999.
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Marcia García, David Caro y Rodolfo Figueroa.
(1996)
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Metodología no destructiva para análisis de pigmentos en fragmentos cerámicos. Revista Frontera. 15. DOI: https://doi.org/https://bibliotecadigital.ufro.cl/?a=view&item=1624.
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Rodolfo Figueroa, Marcia García y David Caro.
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Representaciones gráficas poligonales aplicadas al análisis semi-cuantitativo simultáneo de tres y cuatro elementos en FRX. Revista Frontera. 15. DOI: https://doi.org/https://bibliotecadigital.ufro.cl/?a=view&item=1624.
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R, Figueroa. M. García y D. Caro.
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Metodología no Destructiva para Análisis de Pigmentos en Fragmentos Cerámicos. Libro de Actas VI Simposio Nacional de Física Experimental y Aplicada. 6.
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Rodolfo Figueroa F. y David Caro C.
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Un nuevo método de representación gráfica aplicado a muestras arqueológicas analizadas por FRX. Revista Frontera. 14. DOI: https://doi.org/https://bibliotecadigital.ufro.cl/?a=view&item=1623.
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R. Figueroa, A. Vargas, L. Morales, V. Poblete.
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Análisis de Aerosoles Atmosféricos con una Fuente Radio Isotópica Mediante Reconstrucción de Picos. Avances en Análisis por Técnicas de Rayos X. 8.
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R. Figueroa, D. Caro, A. Vargas.
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Estudio de Procedencias de Muestras Arqueológicas Analizadas por FRX y Comparadas por Representaciones Gráficas Poligonales. Avances en Análisis por Técnicas de Rayos X. 8, 77-88,1994.
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R. G, Figueroa, A. Vargas, D. Caro.
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Obtención de Hologramas Interferométricos de objetos Microdeformados Térmicamente. Revista Frontera. 12. DOI: https://doi.org/https://bibliotecadigital.ufro.cl/?a=view&item=1621.
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M. Dinator, F. Lloma, J. Valdés, R. Figueroa, S. Contreras.
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X Ray Fluorescence Analysis Induced by Cd109 source of volcanic ash emitted by Lonquimay Volcano (Chile). Avances en Análisis por Técnicas de Rayos X. 7, 22-28.
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R. Figueroa, J. Valdés, J. Morales, M- Dinator, C. Romo F.Lloma.
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Aerosoles Volcánicos sobre la Localidad de Lonquimay. Revista Frontera. 8. DOI: https://doi.org/https://bibliotecadigital.ufro.cl/?a=view&item=1618.
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A. Vargas, R. Figueroa, A. Borgeaud.
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Películas fotográficas comunes para la medición de deformaciones mecánicas por interferometría de speckles. Revista Frontera. 8. DOI: https://doi.org/https://bibliotecadigital.ufro.cl/?a=view&item=1618.
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