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Listar por autor "Benlloch Baviera, Jose María"

Mostrando ítems 1-20 de 92

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144 Channel measurement IC for CdZnTe sensors with energy and time resolution

Volker, Matthias; Hauer, Johann; Benlloch Baviera, Jose María; Soriano Asensi, Antonio; Sánchez Martínez, Filomeno; Carrascal, Jorge; Cela, jose-manuel; Romero, Luciano (Elsevier, 2014-10)

A 144 channel measurement IC for CdZnTe detectors, used for PET, is presented. Each channel consists of a charge sensitive amplifier, a fast and a slow shaper, a peak sampler for the energy acquisition and an event detector ...
2D feasibility study of joint reconstruction of attenuation and activity in limited angle TOF-PET

Vergara, Marina; Rezaei, Ahmadreza; Schramm, Georg; Rodríguez-Álvarez, María José; Benlloch Baviera, Jose María; Nuyts, Johan (Institute of Electrical and Electronics Engineers, 2021-09)

[EN] Several research groups are studying organ-dedicated limited angle positron emission tomography (PET) systems to optimize performance-cost ratio, sensitivity, access to the patient, and/or flexibility. Often open ...
2D study of a joint reconstruction algorithm for limited angle PET geometries

Vergara, Marina; Rezaei, Ahmadreza; Rodríguez-Álvarez, Maria Jose; Benlloch Baviera, Jose María; Nuyts, Johan (KU Leuven, 2021-07-23)

[EN] Recently, a wide interest on organ-dedicated PET systems has been shown. Some of those systems present geometries that produce an incomplete sampling of the tomographic data due to limited angular coverage and/or ...
A Fast 0.5 T Prepolarizer Module for Preclinical Magnetic Resonance Imaging

Rigla, J. P.; Borreguero-Morata, José; Gramage, Carlos; Pallás-Lodeiro, Eduardo; González-Hernández, José Manuel; Bosch-Esteve, Rubén; Algarín-Guisado, José Miguel; Sanchez-Andres, Juan V.; Galve, Fernando; Grau-Ruiz, Daniel; Pellicer, Rubén; Rios, Alfonso; Benlloch Baviera, Jose María; Alonso, Joseba (Institute of Electrical and Electronics Engineers, 2022-02)

[EN] We present a magnet and high power electronics for Prepolarized Magnetic Resonance Imaging (PMRI) in a home-made, special-purpose preclinical system designed for simultaneous visualization of hard and soft biological ...
A new brain dedicated PET scanner with 4D detector information

González-Montoro, Andrea; Barbera Ballester, Julio; Sanchez-Gonzalo, David; Mondejar, Álvaro; Freire-López-Fando, Marta; Díaz González, Karel; Lucero-Ruiz, Alejandro; Jiménez-Serrano, Santiago; Alamo Valenzuela, Jorge; Morera Ballester, Constantino; Barrio-Toala, John; Cucarella, Neus; Ilisie, Victor; Moliner Martínez, Laura; Valladares de-Francisco, Celia; González Martínez, Antonio Javier; John Prior; Benlloch Baviera, Jose María (Walter de Gruyter GmbH, 2022-12)

[EN] In this article, we present the geometrical design and preliminary results of a high sensitivity organ-specific Positron Emission Tomography (PET) system dedicated to the study of the human brain. The system, called ...
A new elastographic technique using acoustic vortices

Jimenez, Noe; Benlloch Baviera, Jose María; Camarena Femenia, Francisco (IEEE, 2020-09-11)

[EN] We present a novel method of elastography based on acoustic vortices to transfer angular momentum to tissue in addition to linear momentum. Focused vortex beams can push and twist tissue, and the rotation direction ...
A proof-of-concept of cross-luminescent metascintillators: testing results on a BGO: BaF2metapixel

Konstantinou, G.; Latella, R.; Moliner, L.; Zhang, L.; Benlloch Baviera, Jose María; González Martínez, Antonio Javier; Lecoq, P. (IOP Publishing, 2023-01-21)

[EN] Objective: Time-of-flight positron emission tomography (PET)is the next frontier in improving the effective sensitivity. To achieve superior timing for time-of-flight PET, combined with high detection efficiency and ...
A scintillator geometry suitable for very small PET gantries

González Martínez, Antonio Javier; Gonzalez-Montoro, A.; Aguilar, A.; Cañizares, G.; Martí, R.; Iranzo, S.; Lamprou, E.; Sánchez, S.; Sánchez, F; Benlloch Baviera, Jose María (IOP Publishing, 2017-12-11)
Acoustic Holograms for Bilateral Blood-Brain Barrier Opening in a Mouse Model

Jiménez-Gambín, Sergio; Jimenez, Noe; Pouliopoulos, Antonios N.; Benlloch Baviera, Jose María; Konofagou, Elisa E.; Camarena Femenia, Francisco (Institute of Electrical and Electronics Engineers, 2022-04)

[EN] Transcranial focused ultrasound (FUS) in conjunction with circulating microbubbles injection is the sole non-invasive technique that temporally and locally opens the blood-brain barrier (BBB), allowing targeted drug ...
ALBIRA: A small animal PET/SPECT/CT imaging system

Sánchez Martínez, Filomeno; Orero Palomares, Abel; Soriano Asensi, Antonio; Correcher Salvador, Carlos; Conde Castellanos, Pablo Eloy; González Martínez, Antonio Javier; Hernández Hernández, Liczandro; Moliner Martínez, Laura; Rodríguez Álvarez, María José; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María; Chapman, S.E.; Leevy, W.M. (American Association of Physicists in Medicine: Medical Physics, 2013-05)

Purpose: The authors have developed a trimodal PET/SPECT/CT scanner for small animal imaging. The gamma ray subsystems are based on monolithic crystals coupled to multianode photomultiplier tubes (MA-PMTs), while computed ...
Analysis of the Statistical Moments of the Scintillation Light Distribution With dSiPMs

Conde Castellanos, Pablo Eloy; González Martínez, Antonio Javier; Gonzalez, A.; Hernández Hernández, Liczandro; Bellido, P.; Crespo Navarro, Efren; Iborra Carreres, Amadeo; Moliner Martínez, Laura; Rigla Pérez, Juan Pablo; Rodríguez Álvarez, María José; Sanchez, F.; Seimetz, Michael; Soriano Asensi, Antonio; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María (Institute of Electrical and Electronics Engineers (IEEE), 2015-10)

In gamma-ray detectors, monolithic scintillation crystals offer the possibility of preserving the scintillation light distribution especially when painted black. The statistical moments of this distribution provide accurate ...
Attenuation correction without transmission scan for the MAMMI breast PET

Soriano Asensi, Antonio; González Martínez, Antonio Javier; Orero Palomares, Abel; Moliner Martínez, Laura; Carles Fariña, Montserrat; Sánchez Martínez, Filomeno; Benlloch Baviera, Jose María; Correcher Salvador, Carlos; Carrilero Lopez, Vicente; Seimetz, Michael (Elsevier, 2011-08-21)

[EN] Whole-body Positron Emission Tomography (PET) scanners are required in order to span large Fields of View (FOV). Therefore, reaching the sensitivity and spatial resolution required for early stage breast tumor ...
Beamforming for large-area scan and improved SNR in array-based photoacoustic microscopy

Cebrecos, Alejandro; García-Garrigós, J. J.; Descals, A.; Jimenez, Noe; Benlloch Baviera, Jose María; Camarena Femenia, Francisco (Elsevier, 2021)

[EN] Beamforming enhances the performance of array-based photoacoustic microscopy (PAM) systems for large-area scan. In this study, we quantify the imaging performance of a large field-of-view optical-resolution ...
Building blocks of a multi-layer PET with time sequence photon interaction discrimination and double Compton camera

Ilisie, V.; Giménez-Alventosa, Vicent; Moliner Martínez, Laura; Sánchez, F.; González Martínez, Antonio Javier; Rodríguez-Álvarez, M.J.; Benlloch Baviera, Jose María (Elsevier, 2018)

[EN] Current PET detectors have a very low sensitivity, of the order of a few percent. One of the reasons is the fact that Compton interactions are rejected. If an event involves multiple Compton scattering and the total ...
Calibration and Performance Tests of Detectors for Laser-Accelerated Protons

Seimetz, Michael; Bellido, P.; Soriano Asensi, Antonio; García López, J.; Jiménez-Ramos, M.C.; Fernández, B.; Conde Castellanos, Pablo Eloy; Crespo Navarro, Efren; González Martínez, Antonio Javier; Hernández Hernández, Liczandro; Iborra Carreres, Amadeo; Moliner Martínez, Laura; Rigla Pérez, Juan Pablo; Rodríguez Álvarez, María José; Sanchez, F.; Sanchez, S.; Vidal San Sebastián, Luis Fernando; Benlloch Baviera, Jose María (Institute of Electrical and Electronics Engineers (IEEE), 2015)

We present the calibration and performance tests carried out with two detectors for intense proton pulses accelerated by lasers. Most of the procedures were realized with proton beams of 0.46-5.60 MeV from a tandem ...
Calibration of Gamma Ray Impacts in Monolithic-Based Detectors Using Voronoi Diagrams

Freire, Marta; Gonzalez-Montoro, Andrea; Sánchez Martínez, Filomeno; Benlloch Baviera, Jose María; González Martínez, Antonio Javier (Institute of Electrical and Electronics Engineers, 2020-05)

[EN] Molecular imaging systems, such as positron emission tomography (PET), use detectors providing energy and a 3-D interaction position of a gamma ray within a scintillation block. Monolithic crystals are becoming an ...
Characterization of a High-Aspect Ratio Detector With Lateral Sides Readout for Compton PET

Barrio, John; Cucarella, Neus; González Martínez, Antonio Javier; Freire, Marta; Ilisie, Victor; Benlloch Baviera, Jose María (Institute of Electrical and Electronics Engineers, 2020-09)
Characterization of protons accelerated from a 3 TW table-top laser system

Bellido-Millán, Pablo Jesús; Lera, Roberto; Seimetz, Michael; Ruiz-de la Cruz, Alexandro; Torres Peiró, Salvador; Galán, M.; Mur, P.; Sánchez, I.; Zaffino, R.; Vidal San Sebastian, Luis Fernando; Soriano Asensi, Antonio; Sánchez-Góez, Sebastián; Sánchez Martínez, Filomeno; Rodríguez-Álvarez, M.J.; Rigla, J.P.; Moliner Martínez, Laura; Iborra Carreres, Amadeo; Hernández Hernández, Liczandro; Grau-Ruiz, Daniel; González Martínez, Antonio Javier; García-Garrigos, Juan José; Díaz Caballero, Elena; Conde-Castellanos, Pablo Eloy; Aguilar-Talens, Albert; Roso, Luis; Benlloch Baviera, Jose María (IOP Publishing, 2017-05)

[EN] We report on benchmark tests of a 3 TW/50 fs, table-top laser system specifically developed for proton acceleration with an intrinsic pump rate up to 100 Hz. In two series of single-shot measurements differing in pulse ...
Characterization of Viscoelastic Media Combining Ultrasound and Magnetic-Force Induced Vibrations on an Embedded Soft Magnetic Sphere

Cebrecos, Alejandro; Jimenez, Noe; Tarazona Tárrega, Rafael; Company, Miguel; Benlloch Baviera, Jose María; Camarena Femenia, Francisco (Institute of Electrical and Electronics Engineers, 2021-12)

[EN] We report a method to locally assess the complex shear modulus of a viscoelastic medium. The proposed approach is based on the application of a magnetic force to a millimeter-sized steel sphere embedded in the medium ...
Correction algorithms for signal reduction in insensitive areas of a small gamma camera

Seimetz, Michael; Orero Palomares, Abel; Morera Ballester, Constantino; Abellan Castillo, Adoracion Inmaculada; Polo Collado, Ramiro; Hernández Hernández, Liczandro; Vidal San Sebastián, Luis Fernando; Soriano Asensi, Antonio; Pavón Hernández, Noriel; Benlloch Baviera, Jose María (IOP Publishing, 2014-05)

The radiation sensitive part of the wide-field, small gamma camera Sentinella 108 consists of a monolithic, 102 x 102 mm2 wide CsI(Na) crystal coupled to four position-sensitive photomultipliers. These are read out via a ...