Grupo de Física Nuclear USB



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PUBLICACIONES DESDE EL AÑO 2000

D. Palacios, J. Alfonso, H. Barros, J. LaBrecque, K. Pérez, M. Lossada.
A Semi-Empirical Approach to Determine Gamma Activities (Bqkg-1) in Environmental Cylindrical Samples.
Radiation Measurements. (2007), doi: 10.1016/j.radmeas.2007.11.043

H. Barros, J. Abril.
Kinetic Box Models for the Uptake of Radionuclides and Heavy Metals by Suspended Particulate Matter: Equivalence Between Models and its Implications.
Journal of Environmental Radioactivity. (2007), doi:10.1016/j.jenvrad.2007.07.007

J. Labrecque, J. Alfonso, D. Palacios, P. Cordovés.
Distribution of 137Cs activitries (Bq kg-1) in clams, Tivela mactroidea collected along the northern coast of Venezuela and the Island of Margarita.
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY. vol. 273 (2007) 257-288.

M. Jiménez-Ramos, H. Barros, R. García-Tenorio, M. García-León, I. Vioque, G. Manjón.
On the Presence of Enriched Amounts of 235U in Hot Particles from the Terrestrial Area Affected by the Palomares Accident (Spain).
Environmental Pollution 145 (2007) 391-394

H. Barros, C. Izarra, G. Merlo, L. Sajó-Bohus.
Evaluación de la Intrusión Marina y Salinización de Acuiferos Costeros en Áreas Piloto al Noreste del Estado Falcón, Venezuela.
Memoria 1er Taller Binacional y Ragional sobre Desertificación. Ed: M. Riveros C., L. E. Sánchez, J. Paolini. Caracas, Venezuela. ISBN: 978-980-261-089-1. 2007. 65-70, 135.

L. Monte, R. Periañez, S. Kivva, G. Laptev, G. Angeli, H. Barros, M. Zheleznyak.
Assessment of state-of-the-art models for predicting the remobilisation of radionuclides following the flooding of heavily contaminated areas: the case of Pripyat River floodplain.
Journal of Environmental Radioactivity 88 (2006) 267-288.

J. Walter, L. Sajó-Bohus, J. Alban, O. Uscátegui.
FPGA Based Data Acquisition System for PGA and Nuclear Spectrometry
Acta Physica et Chimica Debrecina Tomus XXXVIII-XXXIX Ed: J. B. Szabó, J. CSIKAI, Debrecen, Hungría. ISBN: 0567-7947. 2005. 363-371.

L. Sajó-Bohus, J. Pálfalvi, Y. Akatov, O. Arevalo, E. Greaves, P. Nemeth, D. Palacios, J. Szabo, I. Eordogh.
Neutron-induced complex reaction analysis with 3D nuclear track simulation.
Radiation Measurements 40 (2005) 442.447

E. Greaves, A. Manz.
Toward On-Chip X-ray analysis.
Lab. Chip., 2005, 5, 382 - 391.

E. Greaves, L. Bennun, F. Palacios, J. Alfonso.
Optimizing accuracy and precision in spectral data
X-Ray Spectrometry. 2005; 34: 194-199.

H. Barros, J. Abril.
Constrains in the Construction (Selection) of Kinetic Box Models for the Uptake of Radionuclides and Heavy Metals by Suspended Particulate Matter.
Ecological Modelling. vol. 185 (2005) 371-385.

R. El-Mrabet, H. Barros, J. Abril, G. Manjón.
239Pu Sorption by Suspended Matter from Hueznar Reservoir (Southern Spain): Experimental and Modelling Study.
Radioprotection. Suppl. 1. vol. 40 (2005) 343-349.

H. Barros, L. Sajó-Bohus, J. Abril, E. Greaves.
Radioactivity Concentration and Heavy Metal Content in Fuel Oil and Oil-Ashes in Venezuela.
Radioprotection. Suppl. 1. vol. 40 (2005) 183-189.

L. Sajó-Bohus, M. Scott, E. Greaves, L. Somervaille, S. Green, T. Avila, F. Loaiza, L. Foglietta.
In vivo tibial lead measurement to assess the health hazard of Venezuelan workers.
J. Radioanal. Nuc. Chem. 259, (2004) 251-255.

S. Suárez, L. Sajó-Bohus, E. Greaves, J. Dominguez, E. Villar.
TRXRF analysis of environmental lead and heavy metals to monitor pollution in Caracas, Venezuela.
Nuc. Inst. Meth. Phys. Res. B 213 (2004) 784-788.

J. Abril, R. El-Mrabet, H. Barros.
The importance of recording physical and chemical variables simultaneously with remote radiological surveillance of aquatic systems: a perspective for environmental modelling.
Journal of Environmental Radioactivity. vol. 72 (2004). 145-152.

H. Barros, J. Abril.
Experimental and modelling study on the uptake kinetics of 133Ba by suspended estuarine sediments from southern Spain.
Water Research. vol. 38 (2004) 749-755.

H. Barros, A. Laissaoui, J. Abril.
Trends of radionuclide sorption by estuarine sediments. Experimental studies using 133Ba as a tracer.
Science of the Total Environment. vol. 319 (2004) 253-267.

J. Alfonso, E. Greaves, B. Lavelle, L. Sajó-Bohus.
Effect of sputtering pressure on residual stress in Ni films using energy-dispersive x-ray diffraction
J. Vac. Sci. & Tech. A. 21, 4, 846-850 (July 2003).

J. Alvarez, L. Marcó, J. Arroyo, E. Greaves, R. Rivas.
Determination of Calcium, Potassium, Manganese, Iron, Cooper and Zinc levels in representative samples of two onion cultivars using TXRF and ultrasound extraction procedure.
Spectrochim Acta B 58 (12): 2183-2189 DEC 15 2003.

H. Barros, J. Abril, V. Laudicina, A. Delgado.
Application of ICP-MS for Measuring Soil Metal Cations from Sequential Extractions.
I, 2004. Elsevier Science, Proceedings Book, APHYS 2003.

R. Causa, D. Coelho, L. Sajó-Bohus.
Instalation of a Ciclotron in Latin America: The Venezuelan Experience.
ALASBIN J. 5 (21) July 2003.

M. Antczak, Z. Kasztovszky, A. Antczak, L. Sajó-Bohus.
Provenance Study of Amerindian Ceramic Figurine with PGNAA.
Book of Abstracts IAEA-CN-103/062, 19, 2003. Published in Nukleonika 2004.

J. Alfonso, E. Greaves, B. Lavelle, L. Sajó-Bohus.
Control of Geometrical Sources of Error in Residual Stress Analysis by Energy-Dispersive X-ray Diffraction.
Journal of Strain Analysis for Engineering Design 38 (4): 283-288 JUL 2003.

L. Bennun, E. Greaves, J. Blostein.
New Procedure for intensity and detection limit determination in spectral analysis: Application for trace mercury determination by TXRF.
X-Ray Spectrometry 31 (2002) 289-295.

J. Pálfalvi, L. Sajó-Bohus, M. Balaskó.
Realistic neutron spectra for radiation protection and other.
Nucl. Instr. Meth. Phys. Res. A 476 (2002) 452-456.

J. Bermúdez, E. Greaves, P. Nemeth, L. Sajó-Bohus.
Determination of technetium by total reflection X-ray fluorescence.
Spectrochimica Acta. B56 (2001) 2247-2251.

L. Marcó, E. Jiménez, E. Hernández, A. Rojas, E. Greaves.
Determination of Zn/Cu ratio and oligoelements in serum samples by total reflection X-ray fluorescence spectrometrometry for cancer diagnostics.
Spectrochimica Acta. B56 (2001) 2195-2202.

L. Marcó, T. Capote, E. Hernández, E. Greaves.
Feasibility study for in situ microwave digestion prior to analysis of biological samples by total reflection X-ray fluorescence.
Spectrochimica Acta. B56 (2001) 2187-2194.

A. Canoba, F. López, M. Arnaud, A. Oliveira, A. Osorio, R. Aparecido, C. Rodriguez, G. Espinosa, J. Golzarri, T. Martínez, M. Navarrete, L. Cabrera, N. Segovia, P. Pena, E. Tamez, P. Pereyra, M. López, L. Sajó-Bohus.
Indoor radon measurements and methodologies in Latin American countries.
Radiation Measurements, 34 (1-6) (2001) 483-486.

D. Selmeczi, B. Szabó, L. Sajó-Bohus, N. Rozlosnik.
Morphological changes in living cell cultures following particle irradiation studied by optical and atomic force microscopy.
Radiation Measurements, 34 (1-6) (2001) 549-553.

D. Palacios, F. Palacios, L. Sajó-Bohus, J. Pálfalvi.
A new method to measure track density and to differentiate nuclear tracks in CR-39 detectors.
Radiation Measurements, 34 (1-6) (2001) 119-122.

J. Pálfalvi, L. Sajó-Bohus, M. Balaskó, I. Balásházy.
Neutron field mapping and dosimetry by CR-39 for radiography and other applications.
Radiation Measurements, 34 (1-6) (2001) 471-475.

M. Cinausero, F. Deak, D. Fabris, E. Fioretto, M. Lunardon, G. Nebbia, S. Pesente, G. Prete, L. Sajó-Bohus, G. Viesti.
Characterization of gamma spectroscopy tool for humanitarian demining.
Interciencia 26 (3) 117-121 Mar 2001.

E. Fioretto, M. Tiana, F. Innocenti, G. Viesti, M. Cinausero, I. Coco, D. Fabris, V. Filippini, M. Lunardon, G. Nebbia, G. Prete, S. Pesente, L. Sajó-Bohus, E. Chukhaev, A. Melnikov.
CsI(Tl) scintillators as ray detectors for the identification of hidden explosives.
Nuclear Instruments and Methods in Physics Research Section A: Vol. 471, 2001, 234-238.

A. Hovarth, L. Sajó-Bohus, F. Urbani, G. Marx, A. Piroth, E. Greaves.
Radon concentration s in hot spring waters in northern Venezuela.
Journal of Environmental Radioactivity. 47 (2000) 127-133.

L. Sajó-Bohus, J. Palfalvi, F. Urbani, D. Castro, E. Greaves, J. Liendo.
Environmental gamma and radon dosimetry in Venezuela.
Radiation Measurements. 31 (2000) 283-286.

E. Greaves, L. Marcó, A. Rojas, L. Sajó-Bohus.
Determination of platinum in serum and urine samples from pediatric cancer patients by TXRF.
X-Ray Spectrometry 29 (2000) 1-5.

C. Ceccarelli, A. Picón, M. Paolini, E. Greaves.
Total mercury Determination in Naphthas by either Atomic Fluorescence or Absorption Spectroscopy.
Petroleum Science and Technology. Accepted to be published 2000.

M. Sobrado, E. Greaves.
Leaf secretion composition of the mangrove species Avicenia germinans (L) in relation to salinity: a case study using total-reflection X-ray fluorescence analysis.
Plant Science 159(2000) 1-5.

V. Kondrashov, S. Rothenberg, L. Sajó-Bohus, E. Greaves, J. Liendo.
Increasing reliability in Gamma and X-ray spectral data Analysis. Least Moduli approach.
Nuclear Instruments and Methods in Physics Reseach A 446 (2000) 560-568.

E. Greaves.
Heavy element determination in health-related organic matrix materials by total reflection X-ray fluorescence.
Advances in X-ray Analysis. 43, (2000) 570-578.

E. Greaves, L. Bennun, J. Gómez, P. Nemeth, L. Sajó-Bohus.
Determination of Metal-Ligand Stoichiometries for Inorganic Complexes using Total Reflection X-Ray Fluorescence.
Inorganic Chemistry.39 (2000) 3463-3465.

Z. Kasztovszki, L. Sajó-Bohus, B. Fazekas.
Parametric changes of radon (222Rn) concentration in ground water in North-eastern Hungary.
Journal of Environmental Radiactivity. 49, 171-180, 2000.

S. Pesente, G. Nebbia, L. Sajó-Bohus, M. Cinausero, D. Fabbris, E. Fioretto, M. Lunardon, G. Prete, G. Viesti.
Development of scintillation detectors for the EXPLODET sensor.
Annual Report 1999 (15-18); National Institute of Nuclear Physics - Legnaro, Italy, 2000.



PARTICIPACIONES EN CONGRESOS DESDE EL AÑO 1999

A. Rangel, T. Viloria, L. Sajó-Bohus, H. Barros, E. Greaves, D. Palacios.
Gamma Emitting Radioisotope concentration in Lake sediments of Maracaibo, Venezuela.
The 7th Latin American Symposium on Nuclear Physics and Applications. Junio 2007, Cusco, Perú.

F. Farina, F. Pino, H. Barros, L. Sajó-Bohus, P. Vermaecker, L. Sneyers, M. Antczak, A. Antczak, E. Greaves, D. Palacios.
Instrumental Neutron Activation Analysis (k0Standardization) of Industrial and Archaeological Venezuelan Samples.
The 7th Latin American Symposium on Nuclear Physics and Applications. Junio 2007, Cusco, Perú.

L. Sajó-Bohus, C. Suárez, G. Merlo, H. Barros, H. Pérez, D. Palacios.
Sediments Core Radioisotope Analysis in the Orinoco River, Venezuela.
The 7th Latin American Symposium on Nuclear Physics and Applications. Junio 2007, Cusco, Perú.

P. Nemeth, L. Galuska, L. Sajó-Bohus, H. Barros, E. Greaves.
Síntesis y caracterización de TTHA y su marcaje con Tecnecio-99 metaestable para gammagrafía renal en Medicina Nuclear.
LVI Convención Anual de ASOVAC, 21 - 26 Noviembre de 2006, Cumana, Venezuela.

L. Sajó-Bohus, W. González, C. Osorio, J. Pálfalvi, P. Nemeth, J. Walter, H. Barros.
Automatic SSNT Analyser with IMAQ™ Vision Builder 6 from National Instruments.
23rd International Conference on Nuclear Tracks in Solids, Beijing (China), 11 - 15 September 2006.

E. Greaves, P. Jacob, A. Manz.
On-Chip X-ray generation.
In C. F. Jensen, J.Han, D. J. Harrison and J Voldman Eds. Proc. YTAS 2005. 9th Int. Conf. Miniaturized Systems for Chemistry and Live Sciences. ISBN: 0-9743611-19.

P. Nemeth, S. Ferreira, M. Rajtar, L. Sajó-Bohus, E. Greaves.
Síntesis y caracterización de d,l-HM-PAO y su marcaje con Tecnecio-99 metaestable para perfusión cerebral en Medicina Nuclear.
LV Convención Anual de ASOVAC, 21 - 26 Noviembre de 2005, Caracas, Venezuela.

H. Arias, D. Palacios, P. Nemeth, L. Sajó-Bohus.
Distribución del boro en metal vítreo utilizando neutrones y detectores de trazas nucleares.
Primeras Jornadas en Divulgación de las Técnicas Nucleares, 27 – 29 Abril de 2005, Coro, Venezuela.

E. Scianna, P. Nemeth, M. Barreiro, J. Castillo, D. Lea, G. Zaray.
Estudio de material radiactivo y galio contenido en lodo rojo de la industria del aluminio en Venezuela.
Primeras Jornadas en Divulgación de las Técnicas Nucleares, 27 – 29 Abril de 2005, Coro, Venezuela.

P. Nemeth, L. Sajó-Bohus.
Síntesis de macromoléculas complejas marcables con 99mTc: recientes avances en Venezuela.
Primeras Jornadas en Divulgación de las Técnicas Nucleares, 27 – 29 Abril de 2005, Coro, Venezuela.

V. Laudicina, C. Dazzi, A. Delgado, H. Barros.
Source of Calcium for Pedogenic CaCO3 Formation in Benchmark Soils of a Mediterranean Semiarid Environment.
Proceedings of EUROSOIL Conference 2004. CD.

H. Barros, L. Hurtado, R. El-Mrabet, J. Abril, L. Andreu, A. Delgado.
ICPMS Applications for Environmental Assessment of Low Level Uranium in Agro-Soils Affected by Phosphogypsum Amendments.
Proceedings des Premières Journées Nationales des Mesures des Faibles Radioactivités et leurs Applications dans les Sciences de la Terre, de la Vie et de l'Environnement. Kenitra, Moroc. vol. 1 (2004) 12-20.

J. Pálfalvi, Y. Akatov, L. Sajó-Bohus, J. Szabó, I. Eördögh.
Cosmic Particle Induced Reaction Detection With SSNTD Stacks Exposed on-Board of International Space Station.
Proceedings of the 10th international conference on nuclear reaction mechanisms, Varenna, Villa Monastero-Italy; June 9 - 13, 2003.

L. Sajó-Bohus, D. Palacios, J. Castillo, J. Bermúdez, E. Greaves.
Radioactivity in Marine Algae from the Venezuelan Central Coast.
International Conference on Isotopic and Nuclear Analytical Technique for Health and Environment. Vienna Austria 10-13 June 2003. Determination of Metals and gamma Book of Abstracts IAEA-CN-103/ 091, 33, 2003.

P. Nemeth, S. Ferreira, L. Sajó-Bohus, E. Greaves.
Síntesis el ácido 2,6-diizopropilfenil-carbamoilmetil-iminodiacetico (DISIDA) y su marcaje con Tecnecio-99 metaestable para diagnostico de vesícula biliar y vías biliares.
LI Convención Anual de ASOVAC, 18 - 23 Noviembre de 2001, San Cristóbal, Venezuela.

L. Sajó-Bohus, P. Nemeth, J. Pálfalvi, C. Castelli, S. Green, E. Greaves, J. Liendo.
Boron compound microdistribution in cultivated cells using nuclear track detector.
Trabajo presentado en varios foros universitarios: Padua (Italia), Viena (Austria), ELTE Budapest (Hungría), Croacia, 2001.

J. Bermúdez, E. Greaves, P. Nemeth.
Determination of Technetium by Total Reflection X-Ray Fluorescence.
8th Conference on Total Reflection X-Ray Fluorescence Analysis and Related Methods, 25 - 29 Septiembre de 2000, Vienna, Austria.

L. Sajó-Bohus, E. Greaves, J. Liendo, H. Barros, G. Barnafoldi, S. Hernath.
Venezuelan Near-Shore Marine And Orinoco River Environmental Gamma Radaition And Radon Measurements
Proc. IRPA Reg. Conf. On Rad. Prot. in Central Europe, 22-27 Aug 1999 Budapest Hungary, ISBN 9638051884 pp 658, 2000.

D. Palacios, L. Sajó-Bohus, H. Barros, G. Barnafoldi, S. Hernath, J. Liendo, E. Greaves.
40K, 232Th 238U and 222Rn Concentration in the orinoco river basin, Venezuela.
Proc. IRPA Reg. Conf. On Rad. Prot. In Central Europe, 22-27 Aug 1999 Budapest Hungary, ISBN 9638051884 pp 639-645, 2000.



LIBROS

Einstein on Trial or Metaphysical Principles of Natural Philosophy

Boron Studies in Interdisciplinary Fields Employing Nuclear Track Detectors (NTDs)



En Construcción...