Results 71 to 80 of about 323,085 (256)

Case report: A retrospective serological analysis indicating human exposure to tick-borne relapsing fever spirochetes in Sonora, Mexico

open access: yesPLoS Neglected Tropical Diseases, 2019
1 Laboratorio de Genética Microbiana, Departamento de Microbiologı́a, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de Mexico, Mexico, 2 Laboratorio de Investigación en Zoonosis y Enfermedades Tropicales, Unidad Regional
Edwin Vázquez-Guerrero   +6 more
semanticscholar   +1 more source

Tracer Hydrology Practices, Challenges, and Opportunities Across Latin America and the Caribbean

open access: yesHydrological Processes, Volume 40, Issue 1, January 2026.
Tracer monitoring characteristics across the LAC region: overview of sampled hydrologic systems, commonly used tracers, routine and event‐based sampling strategies, integration with hydrometric measurements, and monitoring durations. ABSTRACT Tracer hydrology in Latin America and the Caribbean has made significant progress in recent decades, largely ...
Ricardo Sánchez‐Murillo   +47 more
wiley   +1 more source

Impacto subregional del TLCAN. Sonora en el contexto de la frontera norte

open access: yesFrontera Norte, 2008
La literatura especializada ofrece numerosos argumentos que apoyan el postulado sobre la relación positiva entre procesos de integración y el crecimiento económico de las regiones.
María del Carmen Hernández Moreno   +2 more
doaj  

Transcranial Doppler Ultrasound to Find Patent Foramen Ovale Before Left Ventricular Assist Device Placement

open access: yesClinical Neuroimaging, Volume 3, Issue 1, 2026.
ABSTRACT Background and purpose Detection of patent foramen ovale (PFO) has become important with the increasing use of left ventricular assist devices (LVAD) for advanced heart failure. After LVAD implantation there may be increased right to left shunting through a PFO causing hypoxemia.
Ryan Tudino   +5 more
wiley   +1 more source

Localized and Transient Oxygenation of Shallow Oceans of Southwestern Laurentia at the Ediacaran–Cambrian Boundary

open access: yesGeobiology, Volume 24, Issue 1, January/February 2026.
ABSTRACT The Ediacaran–Cambrian boundary, which precedes one of the most significant biotic diversification events in Earth's history, is associated with a global negative carbon isotope excursion termed the BAsal Cambrian carbon isotope Excursion (BACE).
Watsawan Chanchai   +6 more
wiley   +1 more source

Los comcáac (seri): hacia una diversidad biocultural Del Golfo de California y estado de Sonora, México

open access: yesEstudios Sociales, 2010
Diversidad biocultural es un concepto que está siendo asimilado rápidamente en variados escenarios, desde el ecologismo conservador hasta en los movimientos indígenas. Su objetivo es mostrar el vínculo complejo entre cultura y naturaleza.
Diana Luque Agraz, Shoko Doode Matsumoto
doaj  

Capacidad institucional de los organismos de agua de Saltillo y Hermosillo, México

open access: yesFrontera Norte, 2020
En este artículo se evaluó la gestión y el desempeño de organismos operadores de agua de los municipios de Saltillo, Coahuila, y Hermosillo, Sonora, durante el periodo 2001-2015. Se utilizó el enfoque de capacidad institucional para analizar los factores
Alejandro Salazar Adams   +2 more
doaj  

Evolution of the North American seed‐harvester ant genus Veromessor (Hymenoptera: Formicidae)

open access: yesSystematic Entomology, Volume 51, Issue 1, January‐March 2026.
Phylogenomics resolves evolutionary relationships among Veromessor seed‐harvesting ants across arid western North America. Ecological and morphological traits evolved rapidly and repeatedly in response to habitat. Genomic and morphological species delimitations are broadly congruent despite polymorphisms in colour and colony founding.
Marek L. Borowiec   +4 more
wiley   +1 more source

El mezcal en Sonora, México, más que una bebida espirituosa. Etnobotánica de Agave angustifolia Haw

open access: yesEstudios Sociales, 2012
¿Cómo sería la vida de los sonorenses sin el mezcal? La interrogante guía el propósito general del trabajo, orientado a identificar la importancia que tradicionalmente ha revestido el Agave angustifolia en la vida cotidiana de los sonorenses. En su mayor
Noemí Bañuelos Flores   +1 more
doaj  

On the Impacts of Economic Freedom on International Trade Flows: Asymmetries and Freedom Components [PDF]

open access: yes
This paper employs a gravity equation to estimate the effects of economic freedom on U.S. consumer exports and imports for 131 countries over the years 2000 - 2005.
Robert J. Sonora
core  

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