Results 51 to 60 of about 55,477 (217)

A Drug‐Gated, Modular STAb‐T Immunotherapy With External Control

open access: yesAdvanced Science, EarlyView.
Engineered STAb‐TON cells act as programmable living factories that continuously secrete inactive antibody modules, which assemble extracellularly into a functional T cell engager only upon small‐molecule administration. This externally controlled platform enables reversible, on‐demand regulation of antitumor immunity, establishing a new paradigm for ...
Susana Luengo‐Arias   +23 more
wiley   +1 more source

Residuos de agroquímicos en sedimentos de ríos, Poás, Costa Rica

open access: yesAgronomía Costarricense, 2008
Se analizó la presencia y distribución de agroquímicos organofosforados y organoclorados en los sedimentos de 3 ríos localizados en un área de producción de ornamentales en el cantón de Poás, Alajuela, Costa Rica.
Federico Masís   +3 more
doaj  

Análisis etnohistórico de la complejidad social del bajo delta del río Colorado con base en documentos misionales de fines del siglo XVII y del XVIII.

open access: yesRevista Atlántica-Mediterránea de Prehistoria y Arqueología Social, 2014
El bajo delta del Colorado es, con base en el analisis etnohistorico de documentos virreinales de finales del s. XVII y del s. XVIII, el area nuclear de una region de intensa efervescencia interetnica. En esta dinamica social estaban integradas todas las sociedades del tercio norte del Desierto de Sonora, tanto las sedentarias como aquellas que basan ...
openaire   +1 more source

Sarbecoviruses Suppress Innate Immunity by Recruiting PPM1A to Modulate STAT2 and ORF9b Phosphorylation

open access: yesAdvanced Science, EarlyView.
Sarbecovirus ORF9b recruits host phosphatase PPM1A to suppress innate immunity through dual mechanisms. PPM1A directly dephosphorylates ORF9b to sustain its activity and indirectly downregulates STAT2 phosphorylation to impair interferon signaling. Pharmacological inhibition of PPM1A restores antiviral responses and limits sarbecovirus replication ...
Lixiang Xie   +24 more
wiley   +1 more source

Breaking the Durability–Power Trade‐Off: Boron‐Directed Faceted O3 Cathodes for High‐Rate Sodium‐Ion Batteries

open access: yesAdvanced Energy Materials, EarlyView.
Boron‐oxide‐assisted particle engineering stabilizes O3‐type layered cathodes for sodium‐ion batteries by mitigating phase transitions and lattice strain. Acting as flux and structural modifier, boron forms submicron hexagonal platelets with (003) facets and expanded Na‐layer spacing, enabling rapid Na⁺ diffusion and mechanical resilience.
Tengfei Song   +9 more
wiley   +1 more source

Periodos oscuros e investigación histórica: una aproximación desde la periferia; el modo de producción feudal en el área minera de Río Tinto

open access: yesRevista Atlántica-Mediterránea de Prehistoria y Arqueología Social, 2000
En las lineas que siguen abordamos un asunto ya viejo y largamente debatido, la existencia o no de Feudalismo en la Peninsula Iberica, desde una perspectiva local cenida a un territorio concreto pero claramente ejemplificador del condicionamiento impuesto por estudios historicos vacios e improductivos en lo que se refiere a su sustento empirico y ...
openaire   +1 more source

Balancing Exploration and Exploitation Through a Sequential Hybrid of Roach Infestation and Mayfly Algorithms for Constrained Engineering Design Optimization

open access: yesAI &Innovation, EarlyView.
ABSTRACT Maintaining an effective balance between exploration and exploitation is essential during optimization processes, from mathematical functions to more complex problems such as constrained engineering design optimization, particularly when addressing highly nonlinear issues with numerous local optima and strict feasibility requirements.
Enrique Lizárraga   +3 more
wiley   +1 more source

Fishes of the Tambopata-Candamo reserved zone, southeastern Perú.

open access: yesRevista Peruana de Biología, 2014
A list of fishes found in the Tambopata-Candamo Reserved Zone, Southeastern Peru is presented herein. This fauna includes 36 families, 138 genera and 232 species; characiforms and siluriforms are the main groups, dominating all environments.
Fonchii Chang
doaj   +1 more source

COX14 Variants Are Associated With Mitochondrial Complex IV Deficiency Nuclear Type 10 (MC4DN10)

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT COX14 encodes a transmembrane protein essential for cytochrome c oxidase (COX) complex assembly. A homozygous missense variant in COX14 was reported in three siblings from a single consanguineous family with severe, fatal infantile mitochondrial complex IV deficiency nuclear type 10 (MC4DN10; MIM# 619053).
Elias K. Awad   +7 more
wiley   +1 more source

Análisis de tendencias e índices de extremos hidroclimáticos en el nordeste antioqueño a partir de registros históricos

open access: yesTecnoLógicas
El cambio climático modifica la hidroclimatología global y aumenta los riesgos sociales, ambientales y económicos. En Colombia, la variabilidad climática y la falta de datos dificultan su análisis y predicción. El objetivo de este estudio fue evaluar las
Lilia María Marín-Zapata   +3 more
doaj   +1 more source

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