Joaquin Ruiz

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Scholarly Contributions

Journals/Publications

• Del, R. R., Ochoa-Landin, L., Valencia-Moreno, M., Calmus, T., Meza-Figueroa, D., Salgado-Souto, S., Kirk, J., Ruiz, J., & Mendivil-Quijada, H. (2017). New U-Pb and Re-Os geochronology of Laramide porphyry copper mineralization along the Cananea lineament, northeastern Sonora, Mexico: Contribution to the understanding of the Cananea copper district. ORE GEOLOGY REVIEWS, 81, 1125-1136.
• Pohlmann, M., Dontsova, K., Root, R., Ruiz, J., Troch, P., & Chorover, J. (2016). Pore water chemistry reveals gradients in mineral transformation across a model basaltic hillslope. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 17(6), 2054-2069.
• Remon, J., Jarauta, C., Ruiz, J., Oliva, M., & Garcia, L. (2016). PRODUCTION OF A H-2 RICH GAS FROM BIODIESEL DERIVED GLYCEROL BY CATALYTIC STEAM REFORMING AS A SOLUTION TO IMPROVE BIODIESEL ECONOMY. PAPERS OF THE 22ND EUROPEAN BIOMASS CONFERENCE: SETTING THE COURSE FOR A BIOBASED ECONOMY, 1086-1092.
• Valencia, V. A., Ruiz, J., Gehrels, G., Barra, F., & Noguez-Alcantara, B. (2016). Late Cretaceous porphyry copper mineralization in Sonora, Mexico and the implications for the evolution of the SW North America porphyry copper deposit Province. GEOCHIMICA ET COSMOCHIMICA ACTA, 70(18), A663-A663.
• Del, R. R., Ochoa-Landin, L., Eastoe, C. J., Ruiz, J., Meza-Figueroa, D., Valencia-Moreno, M., Zuniga-Hernandez, H., Zuniga-Hernandez, L., Moreno-Rodriguez, V., & Mendivil-Quijada, H. (2015). Genesis of manganese oxide mineralization in the Boleo region and Concepcion Peninsula, Baja California Sur: constraints from Pb-Sr isotopes and REE geochemistry. REVISTA MEXICANA DE CIENCIAS GEOLOGICAS, 30(3), 482-499.
• Frimmel, H. E., Minter, W., Chesley, J., Kirk, J., & Ruiz, J. (2015). Short-range gold mobilisation in palaeoplacer deposits. Mineral Deposit Research: Meeting the Global Challenge, Vols 1 and 2, 953-956.
• Garrido, M., Barra, F., Dominguez, E., Ruiz, J., & Valencia, V. A. (2015). Late Carboniferous porphyry copper mineralization at La Voluntad, Neuquen, Argentina: Constraints from Re-Os molybdenite dating. MINERALIUM DEPOSITA, 43(5), 591-597.
• Ma, G. A., Garcia-Vazquez, E., Hernandez-Torres, A., Ruiz, J., Yaguee, G., Antonio, H. J., & Gomez, J. (2015). Bacteraemia due to Escherichia coli producing extended-spectrum beta-lactamases (ESBL): clinical relevance and today's' insights. REVISTA ESPANOLA DE QUIMIOTERAPIA, 24(2), 57-66.
• Mathur, R., Gauert, C., Ruiz, J., & Linton, P. (2015). Evidence for mixing of Re-Os isotopes at < 2.7 Ga and support of a remobilized placer model in Witwatersrand sulfides and native Au. LITHOS, 164, 65-73.
• Thibodeau, A. M., Killick, D. J., Hedquist, S. L., Chesley, J. T., & Ruiz, J. (2015). Isotopic evidence for the provenance of turquoise in the southwestern United States. GEOLOGICAL SOCIETY OF AMERICA BULLETIN, 127(11-12), 1617-1631.
• Antonio, d., Hay, M., Aramburo, D., & Ruiz, J. (2014). Immigration Law Jeopardizes University Collaboration. SCIENCE, 329(5991), 511-511.
• Fernandez-Rufete, A., Garcia-Vazquez, E., Hernandez-Torres, A., Canteras, M., Ruiz, J., & Gomez, J. (2014). Coagulase-negative Staphylococcus bacteraemia: prognosis factors and influence of antibiotic treatment. REVISTA ESPANOLA DE QUIMIOTERAPIA, 25(3), 199-205.
• Garcia-Vazquez, E., Albendin, H., Hernandez-Torres, A., Canteras, M., Yaguee, G., Ruiz, J., & Gomez, J. (2014). Study of a cohort of patients with Enterococcus spp. Bacteraemia. Risk factors associated to high-level resistance to aminoglycosides. REVISTA ESPANOLA DE QUIMIOTERAPIA, 26(3), 203-213.
• Thomson, S. N., Gehrels, G. E., Ruiz, J., & Buchwaldt, R. (2014). Routine low-damage apatite U-Pb dating using laser ablation-multicollector-ICPMS. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 13.
• Weber, B., Valencia, V. A., Schaaf, P., Pompa-Mera, V., & Ruiz, J. (2014). Significance of Provenance Ages from the Chiapas Massif Complex (Southeastern Mexico): Redefining the Paleozoic Basement of the Maya Block and Its Evolution in a Peri-Gondwanan Realm. JOURNAL OF GEOLOGY, 116(6), 619-639.
• Ecker, L., Ochoa, T. J., Ruiz, J., Vargas, M., & Del, V. (2013). CARETAKERS KNOWLEDGE, ATTITUDES AND PRACTICES ABOUT ANTIBIOTIC USE IN CHILDREN IN A SETTING WHERE ANTIBIOTICS ARE AVAILABLE WITHOUT MEDICAL PRESCRIPTION. AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE, 83(5), 278-278.
• Gomez, J., Garcia-Vazquez, E., Espinosa, C., Ruiz, J., Canteras, M., Hernandez-Torres, A., Banos, V., Herrero, J. A., & Valdes, M. (2013). Nosocomial candidemia at a general hospital: prognostic factors and impact of early empiric treatment on outcome (2002-2005). MEDICINA CLINICA, 134(1), 1-5.
• Molofsky, L. J., Killick, D., Ducea, M. N., Macovei, M., Chesley, J. T., Ruiz, J., Thibodeau, A., & Popescu, G. C. (2013). A novel approach to lead isotope provenance studies of tin and bronze: applications to South African, Botswanan and Romanian artifacts. JOURNAL OF ARCHAEOLOGICAL SCIENCE, 50, 440-450.
• Nhampossa, T., Mandomando, I., Acacio, S., Quinto, L., Vubil, D., Ruiz, J., Nhalungo, D., Sacoor, C., Nhabanga, A., Nhacolo, A., Aide, P., Machevo, S., Sigauque, B., Nhama, A., Kotloff, K., Farag, T., Nasrin, D., Bassat, Q., Macete, E., , Levine, M. M., et al. (2013). Diarrheal Disease in Rural Mozambique: Burden, Risk Factors and Etiology of Diarrheal Disease among Children Aged 0-59 Months Seeking Care at Health Facilities. PLOS ONE, 10(5).
• Song, S., Mathur, R., Ruiz, J., Chen, D., Allin, N., Guo, K., & Kang, W. (2013). Fingerprinting two metal contaminants in streams with Cu isotopes near the Dexing Mine, China. SCIENCE OF THE TOTAL ENVIRONMENT, 544, 677-685.
• Talavera, M. O., Ruiz, J., Diaz, V. E., Ramirez, G. A., Cortes, A., Salgado, S., Dotor, A. A., & Rivera, B. R. (2013). Water-rock-tailings interactions and sources of sulfur and metals in the subtropical mining region of Taxco, Guerrero (southern Mexico): A multi-isotopic approach. APPLIED GEOCHEMISTRY, 66, 73-81.
• Thompson, A., Ruiz, J., Chadwick, O. A., Titus, M., & Chorover, J. (2013). Rayleigh fractionation of iron isotopes during pedogenesis along a climate sequence of Hawaiian basalt. CHEMICAL GEOLOGY, 238(1-2), 72-83.
• Valencia, V. A., Eastoe, C., Ruiz, J., Ochoa-Landin, L., Gehrels, G., Gonzalez-Leon, C., Barra, F., & Espinoza, E. (2013). Hydrothermal evolution of the porphyry copper deposit at La Caridad, Sonora, Mexico, and the relationship with a neighboring high-sulfidation epithermal deposit. ECONOMIC GEOLOGY, 103(3), 473-491.
• Valiente, A., Medrano, J. A., Oliva, M., Ruiz, J., Garcia, L., & Arauzo, J. (2013). Bioenergy II: Hydrogen Production by Aqueous-Phase Reforming. INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING, 8.
• Garcia-Vazquez, E., Moral-Escudero, E., Hernandez-Torres, A., Canteras, M., Gomez, J., & Ruiz, J. (2012). What is the impact of a rapid diagnostic E-test in the treatment of patients with Gram-negative bacteraemia?. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES, 45(8), 623-628.
• Gehrels, G. E., Valencia, V. A., & Ruiz, J. (2012). Enhanced precision, accuracy, efficiency, and spatial resolution of U-Pb ages by laser ablation-multicollector-inductively coupled plasma-mass spectrometry. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 9.
• Gomez, J., Garcia-Vazquez, E., Martinez, P. M., Francisco, M., Gonzalez, T. J., Angel, P., Ruiz, J., Canteras, M., Antonio, H. J., & Valdes, M. (2012). Brain abscess. The experience of 30 years. MEDICINA CLINICA, 130(19), 736-739.
• Mosquito, S., Zegarra, G., Villanueva, C., Ruiz, J., & Ochoa, T. J. (2012). Effect of bovine lactoferrin on the minimum inhibitory concentrations of ampicillin and trimethoprim-sulfamethoxazole for clinical Shigella spp. strains. BIOCHEMISTRY AND CELL BIOLOGY-BIOCHIMIE ET BIOLOGIE CELLULAIRE, 90(3), 412-416.
• Thibodeau, A. M., Chesley, J. T., & Ruiz, J. (2012). Lead isotope analysis as a new method for identifying material culture belonging to the Vazquez de Coronado expedition. JOURNAL OF ARCHAEOLOGICAL SCIENCE, 39(1), 58-66.
• Vega-Granillo, R., Calmus, T., Meza-Figueroa, D., Ruiz, J., Talavera-Mendoza, O., & Lopez-Martinez, M. (2012). Structural and tectonic evolution of the Acatlan Complex, southern Mexico: Its role in the collisional history of Laurentia and Gondwana. TECTONICS, 28.
• Hernandez-Torres, A., Garcia-Vazquez, E., Gomez, J., Canteras, M., Ruiz, J., & Yaguee, G. (2011). Multidrug and carbapenem-resistant Acinetobacter baumannii infections: Factors associated with mortality. MEDICINA CLINICA, 138(15), 650-655.
• Johnston, S., Gehrels, G., Valencia, V., & Ruiz, J. (2011). Small-volume U-Pb zircon geochronology by laser ablation-multicollector-ICP-MS. CHEMICAL GEOLOGY, 259(3-4), 218-229.
• Munoz, M., Gomez-Ramirez, S., Campos, A., Ruiz, J., & Liumbruno, G. M. (2011). Pre-operative anaemia: prevalence, consequences and approaches to management. BLOOD TRANSFUSION, 13(3), 370-379.
• Pangle, L. A., DeLong, S. B., Abramson, N., Adams, J., Barron-Gafford, G. A., Breshears, D. D., Brooks, P. D., Chorover, J., Dietrich, W. E., Dontsova, K., Durcik, M., Espeleta, J., Ferre, T., Ferriere, R., Henderson, W., Hunt, E. A., Huxman, T. E., Millar, D., Murphy, B., , Niu, G., et al. (2011). The Landscape Evolution Observatory: A large-scale controllable infrastructure to study coupled Earth-surface processes. GEOMORPHOLOGY, 244, 190-203.
• Talavera-Mendoza, O., Ruiz, J., Corona-Chavez, P., Gehrels, G. E., Sarmiento-Villagrana, A., Luis, G. J., & Salgado-Souto, S. A. (2011). Origin and provenance of basement metasedimentary rocks from the Xolapa Complex: New constraints on the Chortis-southern Mexico connection. EARTH AND PLANETARY SCIENCE LETTERS, 369, 188-199.
• Ibanez-Mejia, M., Gehrels, G. E., Ruiz, J., Vervoort, J. D., Eddy, M. P., & Li, C. (2010). Small-volume baddeleyite (ZrO2) U-Pb geochronology and Lu-Hf isotope geochemistry by LA-ICP-MS. Techniques and applications. CHEMICAL GEOLOGY, 384, 149-167.
• Ibanez-Mejia, M., Ruiz, J., Valencia, V. A., Cardona, A., Gehrels, G. E., & Mora, A. R. (2010). The Putumayo Orogen of Amazonia and its implications for Rodinia reconstructions: New U-Pb geochronological insights into the Proterozoic tectonic evolution of northwestern South America. PRECAMBRIAN RESEARCH, 191(1-2), 58-77.
• Machado-Alba, J., Fernandez, A., Castrillon, J. D., Campo, C. F., Echeverri, L. F., Gaviria, A., Londono, M. J., Ochoa, S. A., & Ruiz, J. O. (2010). Prescribing patterns and economic costs of proton pump inhibitors in Colombia. COLOMBIA MEDICA, 44(1), 13-18.
• Manya, J. J., Ruiz, J., & Arauzo, J. (2010). Some peculiarities of conventional pyrolysis of several agricultural residues in a packed bed reactor. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 46(26), 9061-9070.
• Mendez, R. O., Hambidge, M., Baker, M., Salgado, S. A., Ruiz, J., Garcia, H. S., & Calderon, d. (2010). Zinc Absorption from Fortified Milk Powder in Adolescent Girls. BIOLOGICAL TRACE ELEMENT RESEARCH, 168(1), 61-66.
• Talavera-Mendoza, O., Ruiz, J., Gehrels, G. E., Valencia, V. A., & Centeno-Garcia, E. (2010). Detrital zircon U/Pb geochronology of southern Guerrero and western Mixteca arc successions (southern Mexico): New insights for the tectonic evolution of southwestern North America during the late Mesozoic. GEOLOGICAL SOCIETY OF AMERICA BULLETIN, 119(9-10), 1052-1065.
• Vega-Granillo, R., Talavera-Mendoza, O., Meza-Figueroa, D., Ruiz, J., Gehrels, G. E., Lopez-Martinez, M., & de, l. (2010). Pressure-temperature-time evolution of Paleozoic high-pressure rocks of the Acatlan Complex (southern Mexico): Implications for the evolution of the Iapetus and Rheic Oceans. GEOLOGICAL SOCIETY OF AMERICA BULLETIN, 119(9-10), 1249-1264.
• Geraldes, M. C., Nogueira, C., Vargas-Mattos, G., Matos, R., Teixeira, W., Valencia, V., & Ruiz, J. (2009). U-Pb detrital zircon ages from the Aguapei Group (Brazil): Implications for the geological evolution of the SW border of the Amazonian Craton. PRECAMBRIAN RESEARCH, 244, 306-316.
• Gomez, J., Modol, J., Garcia-Nunez, M., Banos, V., Lorenzo, M., Luisa, P. M., Hernandez, T., Antonio, H. J., Ruiz, J., & Sabria, M. (2009). Low mortality rate in an outbreak of Legionnaires' disease: Correlation with the cytopathogenity study. MEDICINA CLINICA, 133(9), 325-329.
• Ibanez-Mejia, M., Pullen, A., Arenstein, J., Gehrels, G. E., Valley, J., Ducea, M. N., Mora, A. R., Pecha, M., & Ruiz, J. (2009). Unraveling crustal growth and reworking processes in complex zircons from orogenic lower-crust: The Proterozoic Putumayo Orogen of Amazonia. PRECAMBRIAN RESEARCH, 267, 285-310.
• Mathur, R., Ruiz, J., Casselman, M. J., Megaw, P., & van, E. R. (2009). Use of Cu isotopes to distinguish primary and secondary Cu mineralization in the Caariaco Norte porphyry copper deposit, Northern Peru. MINERALIUM DEPOSITA, 47(7), 755-762.
• Valencia, V. A., Ducea, M., Talavera-Mendoza, O., Gehrels, G., Ruiz, J., & Shoemaker, S. (2009). U-Pb geochronology of granitoids in the north-western boundary of the Xolapa Terrane. REVISTA MEXICANA DE CIENCIAS GEOLOGICAS, 26(1), 189-200.
• Vega-Granillo, R., Salgado-Souto, S., Herrera-Urbina, S., Valencia, V., Ruiz, J., Meza-Figueroa, D., & Talavera-Mendoza, O. (2009). U-Pb detrital zircon data of the Rio Fuerte Formation (NW Mexico): Its peri-Gondwanan provenance and exotic nature in relation to southwestern North America. JOURNAL OF SOUTH AMERICAN EARTH SCIENCES, 26(4), 343-354.
• Bimbela, F., Oliva, M., Ruiz, J., Garcia, L., & Arauzo, J. (2008). Steam Reforming of Bio-Oil Aqueous Fractions for Syngas Production and Energy. ENVIRONMENTAL ENGINEERING SCIENCE, 28(11), 757-763.
• Garcia-Vazquez, E., Gomez, J., Banos, R., Canteras, M., Ruiz, J., Banos, V., Antonio, H. J., & Valdes, M. (2008). A comparative study of patients with methicillin susceptible versus methicillin resistant Staphylococcus aureus bacteremia: epidemiology and prognostic factors. MEDICINA CLINICA, 128(18), 681-686.
• Gomez, J., Garcia-Vazquez, E., Espinosa, C., Ruiz, J., Canteras, M., Hernandez-Torres, A., Banos, V., Antonio, H. J., & Valdes, M. (2008). Nosocomial candidemia at a general hospital: The change of epidemiological and clinical characteristics. A comparative study of 2 cohorts (1993-1998 versus 2002-2005). REVISTA IBEROAMERICANA DE MICOLOGIA, 26(3), 184-188.
• Perula, L. A., Bosch, J. M., Boveda, J., Campinez, M., Barragan, N., Arbonies, J. C., Prados, J. A., Martin, E., Martin, R., Massons, J., Criado, M., Ruiz, R., Fernandez, J. A., Buitrago, F., Olaya, I., Perez, M., & Ruiz, J. (2008). Effectiveness of Motivational Interviewing in improving lipid level in patients with dyslipidemia assisted by general practitioners: Dislip-EM study protocol. BMC FAMILY PRACTICE, 12.
• Romero, B., Kojima, S., Wong, C., Barra, F., Veliz, W., & Ruiz, J. (2008). Molybdenite Mineralization and Re-Os Geochronology of the Escondida and Escondida Norte Porphyry Deposits, Northern Chile. RESOURCE GEOLOGY, 61(1), 91-100.
• Weber, B., Scherer, E. E., Schulze, C., Valencia, V. A., Montecinos, P., Mezger, K., & Ruiz, J. (2008). U-Pb and Lu-Hf isotope systematics of lower crust from central-southern Mexico - Geodynamic significance of Oaxaquia in a Rodinia Realm. PRECAMBRIAN RESEARCH, 182(1-2), 149-162.
• Garcia-Vazquez, E., Fernandez-Rufete, A., Hernandez-Torres, A., Canteras, M., Ruiz, J., & Gomez, J. (2007). When is coagulase-negative Staphylococcus bacteraemia clinically significant?. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES, 45(9), 664-671.
• Hernandez-Torres, A., Garcia-Vazquez, E., Gomez, J., Canteras, M., Ruiz, J., Fernandez-Rufete, A., Antonio, H. J., & Yaguee, G. (2007). Carbapenem and multidrug-resistant Acinetobacter baumannii colonisation/infection: Epidemiology and factors associated with infection. MEDICINA CLINICA, 135(9), 389-396.
• Hogan, J. F., Phillips, F. M., Mills, S. K., Hendrickx, J., Ruiz, J., Chesley, J. T., & Asmerom, Y. (2007). Geologic origins of salinization in a semi-arid river: The role of sedimentary basin brines. GEOLOGY, 35(12), 1063-1066.
• Kirk, J. D., Ruiz, J., Kesler, S. E., Simon, A., & Muntean, J. L. (2007). Re-Os AGE OF THE PUEBLO VIEJO EPITHERMAL DEPOSIT, DOMINICAN REPUBLIC. ECONOMIC GEOLOGY, 109(2), 503-512.
• Valencia, V. A., Ducea, M., Talavera-Mendoza, O., Gehrels, G., Ruiz, J., & Shoemaker, S. (2007). U-Pb geochronology of granitoids in the north-western boundary of the Xolapa Terrane (vol 26, pg 189, 2009). REVISTA MEXICANA DE CIENCIAS GEOLOGICAS, 27(2), 387-387.
• Vega-Granillo, R., Talavera-Mendoza, O., Meza-Figueroa, D., Ruiz, J., Lopez-Martinez, M., & Gehrels, G. E. (2007). Pressure-temperature-time evolution of high-pressure rocks of the Acatlan Complex (southern Mexico): Implications for the evolution of the Iapetus and Rheic Oceans: Reply. GEOLOGICAL SOCIETY OF AMERICA BULLETIN, 121(9-10), 1460-1464.
• Thibodeau, A. M., Habicht-Mauche, J. A., Huntley, D. L., Chesley, J. T., & Ruiz, J. (2006). High precision isotopic analyses of lead ores from New Mexico by MC-ICP-MS: implications for tracing the production and exchange of Pueblo IV glaze-decorated pottery. JOURNAL OF ARCHAEOLOGICAL SCIENCE, 40(7), 3067-3075.
• Del, R., Ochoa-Landin, L., Ruiz, J., Eastoe, C., Meza-Figueroa, D., Zuniga-Hernandez, H., Mendivil-Quijada, H., & Quintanar-Ruiz, F. (2005). Geology, stable isotope, and U-Pb geochronology of the Mariquita porphyry copper and Lucy Cu-Mo deposits, Cananea District, Mexico: A contribution to regional exploration. JOURNAL OF GEOCHEMICAL EXPLORATION, 124, 140-154.