Results 51 to 60 of about 3,371 (165)

Large Size of Two 19th‐Century Chile‐Peru Earthquakes Inferred From Trans‐Pacific Tsunami Records

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract We use tsunami records from five early Pacific tide gauges in the United States and Australia to estimate the size of the 1868 and 1877 Chile‐Peru earthquakes—two of the largest documented in South America since colonial times. To interpret these records, we derive empirical relationships between moment magnitude (Mw) and maximum tsunami ...
M. Carvajal   +5 more
wiley   +1 more source

Effects of Curcumin and Estrogen Receptor Alpha in Luminal Breast Cancer Cells

open access: yesDiagnostics
This work examined the potential benefit of curcumin in breast cancer patients as a supplementary drug in ER-positive cancers. The results indicated that in the MCF-7 human breast cancer cell line, E2 and curcumin decreased cell proliferation and the ...
Lorena Palacios-Navarro   +3 more
doaj   +1 more source

Situated Science Education and Curricular Justice in Rural Borderland Schools: Elementary Teachers’ Voices from Northern Chile

open access: yesEducation Sciences
The teaching of natural sciences in complex school contexts, such as border and peripheral zones, faces challenges linked to curricular relevance, teacher preparation, and structural conditions.
Katherine Acosta-García   +5 more
doaj   +1 more source

The Cytochrome CYP4 in Breast and Other Cancers

open access: yesBiology
Breast cancer has emerged as the leading cause of death among females worldwide. The CYPs play a crucial role in carcinogenesis. The role of the CYP enzyme family, particularly the CYP4 family, in cancer biology has attracted significant attention in ...
Gloria M. Calaf   +4 more
doaj   +1 more source

Siphoninus finitimus Silvestri (Hemiptera: Aleyrodidae), "mosquita blanca del olivo" en Arica-Chile

open access: yesRevista de la Facultad de Ciencias Agrarias, 2022
Se ent regan antecedentes sobr e las diferencias morfométricas en distintas estructuras de adultos y del pupoide de las poblaciones de aleyródidos asociados a olivo, peral y granado en la región de Arica- Parinacota, Chile.
Dante Bobadilla Guzman   +3 more
doaj  

TARiHi GELiŞIM İÇİNDE BİLGİ VE KAYNAKLARI

open access: yesFırat Üniversitesi İlahiyat Fakültesi Dergisi, 1998
Bu konuyu irdelemek için, öncelikle din, akıl, bilgi, peygamber ve filozof kavramlan üzerinde durmak gerekir düşüncesiyle bu kavramian açıklamakta fayda görüyoruz.
Ş.mehmet Arıca
doaj  

Cambios en el patrón ecográfico de miembros inferiores en bailarines folclóricos del norte de Chile. Criterios para diseñar un plan de prevención de lesiones

open access: yesMedisur, 2021
Fundamento: la danza, como cualquier modalidad deportiva, causa un gran número de lesiones íntimamente relacionadas con el gesto motor. Sin embargo, en ocasiones los bailarines carecen de diagnósticos oportunos y de programas destinados a prevenir los ...
Dayneri León Valladares   +1 more
doaj  

PROPUESTA DE OPTIMIZACIÓN DEL MANTENIMIENTO DE PLANTA MINERA DE COBRE MINISTRO HALES, MEDIANTE ANÁLISIS DE CONFIABILIDAD, UTILIZANDO LA METODOLOGÍA FMECA

open access: yesInvestigación & Desarrollo, 2018
El fin del superciclo de precios del cobre ha dejado de manifiesto el desafío de ser más rigurosos en el control de costos de producción en la industria minera, por lo cual se deben explorar nuevas estrategias que permitan contener y bajar los costos ...
Oscar Cordero, Edgar Estupiñan
doaj  

Exploring the Hidden Complexity: Entropy Analysis in Pulse Oximetry of Female Athletes

open access: yesBiosensors
This study examines the relationship between physiological complexity, as measured by Approximate Entropy (ApEn) and Sample Entropy (SampEn), and fitness levels in female athletes.
Ana M. Cabanas   +5 more
doaj   +1 more source

Cultural identity as a determinant of caregiving burden and quality of life in indigenous family caregivers of people with schizophrenia

open access: yesFrontiers in Psychology
IntroductionThe study aimed to examine the relationship between ethnic background, caregiver burden, and quality of life among caregivers of individuals withSchizophrenia in an intercultural context.MethodsA cross-sectional descriptive-comparative design
Alejandra Caqueo-Urízar   +2 more
doaj   +1 more source

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