Search Results - "Golzarri, J.I."

Evolution of etched nuclear track profiles of alpha particles in CR-39 by atomic force microscopy by Félix-Bautista, R., Hernández-Hernández, C., Zendejas-Leal, B.E., Fragoso, R., Golzarri, J.I., Vázquez-López, C., Espinosa, G.

“…A series of atomic force microscopy (AFM) images of etched nuclear tracks has been obtained and used to calculate the nuclear track registration sensitivity…”
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Indoor radon measurements and methodologies in Latin American countries by Canoba, A, López, F.O, Arnaud, M.I, Oliveira, A.A, Neman, R.S, Hadler, J.C, Iunes, P.J, Paulo, S.R, Osorio, A.M, Aparecido, R, Rodrı́guez, C, Moreno, V, Vasquez, R, Espinosa, G, Golzarri, J.I, Martı́nez, T, Navarrete, M, Cabrera, I, Segovia, N, Peña, P, Taméz, E, Pereyra, P, López-Herrera, M.E, Sajo-Bohus, L

“…According to the current international guidelines concerning environmental problems, it is necessary to evaluate and to know the indoor radon levels, specially…”
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Distribution of indoor radon levels in mexico by Espinosa, G., Golzarri, J.I., Rickards, J., Gammage, R.B.

“…Our laboratory has carried out a systematic monitoring and evaluation of indoor radon concentration levels in Mexico for ten years. The results of the…”
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Simulation of alpha particle emitted by 222Rn from natural spring water in Puebla, México by Lima-Flores, A., Domínguez-Kondo, J.N., Palomino-Merino, R., Moreno-Barbosa, E., Chavarría-Sánchez, A.C., Golzarri, J.I., de Celis-Alonso, B., Espinosa, G., Castaño, V.M.

“…A computational simulation of alpha-particle expansion, emitted by 222Rn naturally diluted in the water of a spring located in the state of Puebla Mexico, is…”
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Fast neutron dosimetry using CR-39 track detectors with polyethylene as radiator by Castillo, F., Espinosa, G., Golzarri, J.I., Osorio, D., Rangel, J., Reyes, P.G., Herrera, J.J.E.

“…The chemical etching parameters (etching time, temperature, normality of etchant, etc.) for the use of CR-39 (allyl diglycol carbonate – Lantrack®) as a fast…”
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Indoor radon measurement via Nuclear Track Methodology: A comparative study by Espinosa, G., Golzarri, J.I., Chavarria, A., Castaño, V.M.

“…Indoor radon concentration represents an important public health challenge, for simple and inexpensive measurement devices and methods, suitable for…”
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An intercomparison of indoor radon data using NTD and different dynamic recording systems by Espinosa, G., Golzarri, J.I., Gaso, M.I., Mena, M., Segovia, N.

“…Indoor radon data monitored with several different recording systems in a controlled cellar were analyzed. The one-room cellar is carved into volcanic rock and…”
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Marine sediments as a radioactive pollution repository in the world by Navarrete, J. M., Espinosa, G., Golzarri, J. I., Müller, G., Zúñiga, M. A., Camacho, M.

“…During a time period little longer than 60 years, it has been created a radioactive pollution background over the natural one, which started in 1945 and it has…”
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Indoor radon concentration levels in Mexican caves, using nuclear track methodology, and the relationship with living habits of the bats by Espinosa, G., Golzarri, J. I., Vega-Orihuela, E., Morales-Malacara, J. B.

“…This work presents the results of a study of the radon levels in four caves in Mexico: Los Riscos Cave and El Judío Cave in the State of Querétaro, and…”
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Nationwide survey of radon levels in indoor workplaces in Mexico using Nuclear Track Methodology by Espinosa, G., Golzarri, J.I., Angeles, A., Griffith, R.V.

“…This report presents the preliminary results of an indoor workplace radon survey conducted during 2006–2007. Monitoring was carried out in 24 of the 32 federal…”
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Indoor radon measurements in Mexico City by Espinosa, G., Golzarri, J.I., Bogard, J., Gaso, I., Ponciano, G., Mena, M., Segovia, N.

“…Mexico City is one of the most populated cities in the world with almost 22 million inhabitants, located at an altitude of 2200 m. The old city was founded on…”
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Seasonal variation measurements of radon levels in caves using SSNTD method by Espinosa, G., Golzarri, J.I., Gammage, R.B., Sajo-Bohus, L., Viccon-Pale, J., Signoret-Poillon, M.

“…The results of radon concentration measurements inside of the Gabriel caves of Mexico, during three consecutive two-month periods covering almost three…”
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Population vulnerability due to the exposure to radon and airborne particulate matter (PM 10), in Mexico City by Espinosa, G., Golzarri, J.I., Ponciano-Rodriguez, G., Gaso, M.I., Mena, M., Segovia, N., Vazquez-Lopez, C., Sajo-Bohus, L.

“…Exposure to indoor radon and suspended particulate matter (SPM) is considered a high risk in lung cancer aetiology. In this paper indoor radon and SPM…”
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A measurement of the angular distribution of the diffuse optical transmittance of etched nuclear tracks in CR-39 by Vázquez-López, C., Zendejas-Leal, B.E., Bogard, J.S., Golzarri, J.I., Espinosa, G.

“…This paper presents a device to measure the angular distribution of the diffuse optical transmittance produced by etched nuclear tracks in polyallyl diglycol…”
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Measurement of nanosize etched pits in SiO 2 optical fiber conduit using AFM by Espinosa, G., Golzarri, J.I., Vázquez, C., Fragoso, R.

“…Fission fragment tracks from 252 Cf have been observed in SiO 2 optical fiber, using an atomic force microscope (AFM), after a very short chemical etching in…”
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Measurement of nanosize etched pits in SiO2 optical fiber conduit using AFM by ESPINOSA, G, GOLZARRI, J. I, VAZQUEZ, C, FRAGOSO, R

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Surface fission tracks in diamond by Espinosa, G., Golzarri, J.I., Sajo-Bohus, L., Vázquez-López, C., Fragoso, R.

“…Scanning Probe Microscope (SPM) images reveal important fingerprint features of latent tracks induced in diamond by fission fragments from a californium…”
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AFM tip gauge by nuclear tracks methodology by Vázquez-López, C., Hernández, A., Fragoso, R., Golzarri, J.I., Espinosa, G.

“…Atomic force microscopy (AFM) instrumentation in the different modes of operation is a metrologic system for evaluating some surface properties of solid and…”
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Indoor 220Rn and 222Rn concentration measurements inside the Teotihuacan pyramids using NTD and E-PERM methodologies by Espinosa, G., Golzarri, J.I., Martínez, T., Navarrete, M., Bogard, J., Martínez, G., Juárez, F.

“…Measurements of 220Rn (Thoron) and 222Rn (Radon) concentrations, inside the Sun and Moon pyramids of Teotihuacan's archeological zone in Mexico, are reported…”
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AFM observations of latent fission tracks on surfaces: amorphous SiO 2 and quartz by Espinosa, G., Golzarri, J.I., Vázquez, C., Fragoso, R., Chadderton, L.T., Cruz, S.A.

“…Preliminary results of a systematic AFM experimental investigation of the surface ‘track’ effects produced by the passage of fission fragments from a…”
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