Por motivos de mantenimiento se ha deshabilitado el inicio de sesión temporalmente. Rogamos disculpen las molestias.
Perfil del autor: García León, Manuel
Datos institucionales
| Nombre | García León, Manuel |
| Departamento | Física Atómica, Molecular y Nuclear |
| Área de conocimiento | Física Atómica, Molecular y Nuclear |
| Categoría profesional | Catedrático de Universidad |
| Correo electrónico | Solicitar |
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Estadísticas
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Nº publicaciones
82
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Nº visitas
10818
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Nº descargas
15107
| Publicaciones |
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Artículo
 Optimization of a new liquid scintillation spectrometer for the measurement of environmental levels of 3H in water samples
(Elsevier, 2024)
The activity concentration of 3H in water samples collected from places unaffected by nuclear activities or for human ... |
Artículo
Efficiency calibration and optimization of a liquid scintillation spectrometer for low level 55Fe and 63Ni measurements
(Elsevier, 2023)
An experimental study on the counting efficiency, background, and Lower Limit of Detection (LLD) of a liquid scintillation ... |
Trabajo Fin de Grado
Puesta a punto de una nueva técnica radiométrica para la medida del par radiactivo 210Pb/210Po en el oceáno
(2023)
Nuestro trabajo ha consistido en el desarrollo de un nuevo método de medida de la pareja 210Pb/210Po en el océano a lo ... |
| Trabajo Fin de Máster |
Trabajo Fin de Máster
Characterisation of a pure LaCl3-based detector for proton therapy application
(2023)
Proton therapy is an increasingly used technique for cancer treatment worldwide. However, the uncertainty in proton range ... |
| Trabajo Fin de Grado |
Trabajo Fin de Máster
Determinación de dosis periféricas debidas a neutrones en tratamientos de protonterapia
(2022)
En este trabajo de fin de máster se lleva a cabo el estudio de las dosis periféricas debidas a neutrones en protonterapia ... |
Trabajo Fin de Grado
Caracterización radiológica de agua de consumo humano
(2022)
El agua de consumo humano puede contener sustancias radiactivas que presentan un riesgo para la salud, por lo que se han ... |
| Trabajo Fin de Grado |
| Trabajo Fin de Máster |
| Tesis Doctoral |
Artículo
Factors related to 41K interference on 41Ca AMS measurements
(ScienceDirect, 2019)
Dealing with the 41K interference during 41Ca measurement with low energy AMS systems is challenging. The detection of 39K ... |
Artículo
Meteoric 10Be in aerosol filters in the city of Seville
(ScienceDirect, 2019)
Cosmogenic radionuclides in the one-million-year half-life range, like 10Be, find application fields in several Sciences. ... |
Artículo
Determination of denudation rates by the measurement of meteoric 10Be in Guadiana river sediment samples (Spain) by low-energy AMS
(ScienceDirect, 2018)
The concentration of meteoric 10Be in estuarine sediment samples has been measured by Spanish Accelerator for Radionuclides ... |
Artículo
Accelerator Mass Spectrometry (AMS) in Radioecology
(Elsevier, 2018)
Accelerator Mass Spectrometry (AMS) provides with an excellent sensitivity for the determination of radionuclides in the ... |
Artículo
Ca-41 measurements on the 1 MV AMS facility at the Centro Nacional de Aceleradores (CNA, Spain)
(ScienceDirect, 2017)
We present a detailed study of the performance parameters for 41Ca measurements at the 1 MV AMS system at the Centro ... |
Artículo
Estimating the impact from Fukushima in Southern Spain by I-131 and Accelerator Mass Spectrometry detection of I-129
(ScienceDirect, 2017)
After the Fukushima accident, large amounts of radionuclides were discharged to the atmosphere. Some of them travelled ... |
Artículo
Recent developments of the 1 MV AMS facility at the Centro Nacional de Aceleradores
(ScienceDirect, 2016)
The Centro Nacional de Aceleradores (CNA) hosts a 1 MV accelerator mass spectrometry (AMS) apparatus since September 2005. ... |
Tesis Doctoral
Medidas de 10Be y 26Al en espectrometría de masas con acelerador de baja energía en el Centro Nacional de Aceleradores
(2015)
Los radionucleidos cosmogénicos de periodo de semidesintegración grande se encuentran en la naturaleza a niveles traza, ... |
Artículo
Status report of the 1 MV AMS facility at the Centro Nacional de Aceleradores
(ScienceDirect, 2015)
SARA (Spanish Accelerator for Radionuclides Analysis) was the first multielemental AMS facility installed in Spain in 2005. ... |
Artículo
Influence of releases of 129I and 137Cs from European reprocessing facilities in Fucus vesiculosus and seawater from the Kattegat and Skagerrak areas
(ScienceDirect, 2014)
129I is a very long-lived radionuclide (T1/2 = 15.7 × 106 years) that is present in the environment because of natural and ... |
Tesis Doctoral
Caracterización de partículas calientes mediante técnicas analíticas avanzadas
(2013)
Este trabajo se centra en el estudio del uranio y los elementos transuránidos presentes en escenarios contaminados por ... |
Artículo
Long-lived radionuclides in residues from operation and decommissioning of nuclear power plants
(ScienceDirect, 2013)
Radioactive residues, in order to be classified as Low-Level Waste (LLW), need to fulfil certain conditions; the limitation ... |
Artículo
Pre- and post-Chernobyl accident levels of I-129 and Cs-137 in the Southern Baltic Sea by brown seaweed Fucus vesiculosus
(Elsevier, 2013)
129I is a very long-lived radionuclide (T1/2 = 15.7 × 106 years) that is present in the environment both because of natural ... |
Artículo
AMS measurements of 129I in seawater around Iceland and the Irminger Sea
(ScienceDirect, 2013)
Large amounts of iodine-129 were, and still are, released into the environment from nuclear facilities, in particular from ... |
Artículo
Pre- and post-Chernobyl accident levels of 129I and 137Cs in the Southern Baltic Sea by brown seaweed Fucus vesiculosus
(ScienceDirect, 2013)
129I is a very long-lived radionuclide (T1/2 = 15.7 × 106 years) that is present in the environment both because of natural ... |
Artículo
Anthropogenic 129I concentration and 129I/127I ratio in rainwater from Seville (Spain) in the period 2005–2008 as affected by airborne releases from Sellafield and La Hague facilities
(Elsevier, 2012)
129I is a very long-lived radionuclide (T1/2 = 15.7 × 106 years) that is present in the environment both because of natural ... |
Artículo
Reassessment of 239Pu on planchets from human urine samples at ultra-trace levels using Aridus-ICP-SFMS and AMS
(2012)
New analytical methods developed at the facilities here, based on two ultra-sensitive mass spectrometry (MS) techniques, ... |
Ponencia
Deteminación del cociente isotópico 240Pu/239Pu en partículas calientes
(2011)
En este trabajo se exponen las principales características de las tres técnicas de medida utilizádas y puestas a punto en ... |
Ponencia
Measurement of Pu and U isotopes on the 1 MV AMS system at the Centro Nacional de Aceleradores
(2011)
In the last decade, compact AMS systems have demonstrated their potential to measure actinides (236U, 239,240,244Pu, 237Np). ... |
Ponencia
Nuevo sistema portátil de micro-fluorescencia de rayos X basado en óptica de policapilares para aplicaciones en Patrimonio Cultural
(Universidad Internacional de Andalucía, 2011)
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| Artículo |
Tesis Doctoral
Medida de 129I en el Sistema de Espectrometría de Masas con Aceleradores de 1 MV del Centro Nacional de Aceleradores : Aplicación a problemas medioambientales.
(2010)
La Memoria que desarrollamos a continuación consta de seis capítulo, cuyo contenido se discute a continuación. En el ... |
Artículo
A highly sensitive method for the reassessment and quantification of 239Pu in urine samples based on a 1 MV accelerator mass spectrometry system
(2010)
A new and highly sensitive method for the determination of 239Pu in human urine has been developed permitting the reassessment ... |
Artículo
Characterisation of the plutonium isotopic composition of a sediment core from Palomares, Spain, by low-energy AMS and alpha-spectrometry
(ELSEVIER SCIENCE BV, 2010)
The measurement of plutonium isotopes, 239Pu and 240Pu, at 670 kV on the compact accelerator mass spectrometry (AMS) system ... |
Artículo
Characterization of terrestrial hot particles from the Palomares accident using destructive and non-destructive analytical techniques
(EDP Sciences, 2009)
Several radioactive particles from the Palomares area have been analyzed with the nuclear microprobe of the National ... |
Tesis Doctoral
Medida de isótopos de Plutonio, 239Pu y 240Pu, mediante espectrometría de masas con aceleradores de baja energía
(2009)
El primer bloque, sobre la descripción de la técnica y de los dos sistemas empleados, comprende los Capítulos 2, 3 y 4. ... |
Artículo
Radiocarbon measurement program at the centro nacional de aceleradores (CNA), Spain
(2009)
In September 2005, an accelerator mass spectrometry (AMS) system based on a 1MV Tandetron accelerator arrived at the Centro ... |
Ponencia
On the applications of IBA techniques to biological samples analysis: PIXE and RBS
(AIP Publishing, 2008)
The analyticaltechniques based on ion beamsorIBA techniquesgive quantitativeinformationonelemental concentrationin samples ... |
Artículo
A fitting algorithm based on simulated annealing techniques for efficiency calibration of HPGe detectors using different mathematical functions
(Elsevier, 2008)
In this work several mathematical functions are compared in order to perform the full-energy peak efficiency calibration ... |
Artículo
A revision of energy and resolution calibration method of Ge detectors
(Elsevier, 2006)
The energy and resolution calibration of germanium detectors being basic procedures in gamma-ray spectrometry have not ... |
Informe
Evaluación de la Seguridad Alimentaria y Radiológica en la Aplicación del Fosfoyeso Como Enmienda de Suelos Agrícolas en las Marismas del Guadalquivir
(2006)
The main goal of this Project has been the radiological and alimentary assessment of the agriculture use of phosphogypsum ... |
Artículo
Overcoming ICP-QMS instrumental limitations for Tc-99 determination in environmental solid samples using radiochemistry
(PERGAMON-ELSEVIER SCIENCE LTD, 2006)
Besides its capabilities, quadrupole-based ICP-MS counting establishes several limitations on 99Tc analysis in environmental ... |
Tesis Doctoral
Determinación de 36Cl y 129I mediante espectrometría de masas con aceleradores
(2004)
Desde poco después del descubrimiento del fenómeno de la radiactividad, la comunidad científica fue consciente de la gran ... |
Ponencia
Mecanismos de transferencia de radionucleidos en el medio ambiente
(Empresa Nacional de Residuos Radioactivos, ENRESA, 2004)
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| Tesis Doctoral |
Artículo
Tc-99 detection in water samples by ICP-MS
(Walter de Gruyter GmbH, 2004)
In this work three radiochemical procedures are presented for the determination of 99Tc in aqueous environmental samples ... |
Ponencia
A method for the measurement of 99Tc by Quadrupole ICP-MS in dry fallout and sea grass samples
(2003)
A method for the detection of "Tc by ICP-MS in environmental samples is proposed and explained in detail. This method ... |
Artículo
Determination of U isotopic ratios in environmental samples by ICP-MS
(2000)
Inductively coupled plasma mass spectrometry (ICP-MS) has been used for the determination of trace elements in a variety ... |
Artículo
The use of 99mTc as a tracer in the determination of 99Tc by ICPmass spectrometry
(2000)
The aim of this paper is to carry out a deep study on the possibilities of using 99mTc from 99Mo-99mTc clinical isotope ... |
| Tesis Doctoral |
Tesis Doctoral
Aplicación de la espectrometría de masas con aceleradores a la determinación de radionúclidos de semivida grande en la naturaleza
(1999)
La detección de radionúclidos de periodo de semidesintegración grande en muestras ambientales es interesante, entre otras ... |
Tesis Doctoral
Radionúclidos artificiales en la industria forestal
(1999)
En el Capítulo 2 se hace una revisión de los trabajos previos relacionados con nuestra investigación. Pretendemos justificar ... |
Artículo
Kinetic transfer coefficients for radionuclides in estuarine waters: Reference values from133Ba and effects of salinity and suspended load concentration
(Springer, 1998)
In estuarine environments there are important spatial and temporal changes in both salt and suspended load concentrations. ... |
Artículo
Radioactive impact of phosphate ore processing in a wet marshland in southwestern Spain
(Elsevier, 1997)
In this paper an extensive study of the presence of natural radionuclides in a marshland area located in the vicinity of ... |
Artículo
210Pb enhancement in rivers affected by the phosphate rock processing in southwestern Spain
(Elsevier, 1997)
The activity levels of 210Pb in solution and bottom sediments were measured in the estuary formed by the Odiel and Tinto ... |
Artículo
Transfer of natural radionuclides from soils to plants in a marsh enhanced by the operation of non-nuclear industries
(Elsevier, 1997)
Two sampling campaigns were performed in 1993 at the marsh area (Odiel marsh) located in southwestern Spain, in the city ... |
Artículo
Modelling the dispersion of non-conservative radionuclides in tidal waters .2. Application to Ra-226 dispersion in an estuarine system
(Elsevier, 1996)
The Odiel river is an estuary system located in the south-west of Spain and affected by tidal dynamics. A phosphate ... |
Artículo
210Pb distribution in riverwaters and sediments near phosphate fertilizer factories
(Elsevier, 1996)
two fertilizer factories operate at the estuary formed by the Odiel and Tinto rivers in Southwestern Spain. In previous ... |
Artículo
A method for the determination of counting efficiencies in gamma-spectrometric measurements with HPGe detectors
(Elsevier, 1996)
In this paper a general method for y-ray efficiency calibration is presented. The method takes into account the differences of ... |
Artículo
U- and Th-isotopes in an estuarine system in southwest Spain: Tidal and seasonal variations
(Elsevier, 1996)
The presence of U- and Th-isotopes in suspended matter from an estuarine system which surrounds a phosphate fertilizer ... |
Artículo
Anthropogenic emissions of Po-210, Pb-210 and Ra-226 in an estuarine environment
(Springer, 1996)
An extensive study on the distribution of natural radionuclides in an estuarine ecosystem located in Southwestern Spain ... |
Artículo
Modelling the suspended matter distribution in an estuarine system : Application to the Odiel river in southwest Spain
(Elsevier, 1996)
A numerical model which solves the advective-diffusive dispersion equation for suspended matter and includes the deposition ... |
Artículo
Enhanced U and Th concentrations in soils from a wet marshland washed by contaminated riverwaters
(Elsevier, 1996)
A study of the presence of U and Th isotopes in soil samples from a saline wet Marshland located close to a phosphoric ... |
Artículo
Modelling the dispersion of non-conservative radionuclides in tidal waters—Part 1: Conceptual and mathematical model
(Elsevier, 1996)
A 2D four-phase model to study the dispersion of non-conservative radionuclides in tidal waters, in conditions of ... |
Artículo
Transfer of natural radionuclides from soils to plants in a wet marshland
(Elsevier, 1996)
Soils and two wild plant species (Spartina densiflora and Spartina maritima) have been collected from the Odiel river marsh ... |
| Tesis Doctoral |
Artículo
U and Th speciation in river sediments
(Elsevier, 1995)
A study of the distribution of some natural radionuclides in different chemical fractions of river bottom sediments has ... |
Artículo
A modeling study of Ra-226 dispersion in an estuarine system in south-west Spain
(Elsevier, 1994)
A numerical model to study 226Ra dispersion in the Odiel River, in which two fertilizer plants release their wastes, has ... |
Artículo
The distribution of U, Th and 226Ra derived from the phosphate fertilizer industries on an estuarine system in Southwest Spain
(Elsevier, 1994)
This paper reports an extensive study of the presence of natural radioactivity around a phosphate fertilizer factory complex ... |
Artículo
U and Th distribution in solution and suspended matter from rivers affected by the phosphate rock processing in southwestern Spain
(Elsevier, 1994)
A study is presented on the distribution of U and Th isotopes in the solid and liquid fractions of waters collected along ... |
Artículo
Identification and effects of anthropogenic emissions of U and Th on the composition of sediments in a river/estuarine system in Southern Spain
(Elsevier, 1994)
A study of the distribution of natural radionuclides in different fractions of river bottom sediments has been carried ... |
Artículo
Low-level radioactivity studies in the marine environment of the South of Spain
(Elsevier, 1992)
In this paper preliminary levels of natural and man-made radionuclides in the South Spanish marine environment are presented. ... |
| Tesis Doctoral |
Artículo
The use of 137-cs in marine and lacustrine sediment dating
(Pergamon Press, 1992)
En este trabajo, la técnica de datación 137 Cs con precisión mejorada se muestra como una herramienta poderosa para ... |
| Tesis Doctoral |
Tesis Doctoral
Radiactividad natural en diversos compartimentos naturales de Andalucía
(1991)
El trabajo se ha centrado en el estudio de radionúclidos naturales, emisores alfa, en diversos compartimentos de Andalucía ... |
| Tesis Doctoral |
Tesis Doctoral
Aplicación y desarrollo de modelos compartimentales para el estudio de la dispersión de radionuclidos en el medio ambiente y en el cuerpo humano
(1987)
Se ha aplicado la técnica de modelos compartiméntales al estudio de la dispersión de radionúclidos en el ambiente marino ... |
Artículo
An Easy Method for the Determination of Ra Isotopes and Actinide Alpha Emitters from the Same Water Sample
(Elsevier, 1986)
Radium isotopes and actinide α emitters are easily determined from the same water sample. The Ra fraction is obtained by ... |
Tesis Doctoral
Estudios sobre el método de fechado por 210 Pb y su aplicación a sedimentos
(1986)
La determinación de los valores de una fracción del radionidido natural 210Pb a diversas profundidades del sedimento ... |
Tesis Doctoral
Medida de actividades Alfa y Beta en muestras ambientales con un detector proporcional y detección de 99Tc
(1983)
Se utiliza un detector proporcional de flujo de gas para la medida de actividades Alfa y Beta ambientales y la detección ... |
