Results 51 to 60 of about 50,699 (163)

Patterns of Interploidy Admixture in Polyploid Complexes: Insights From Thymus Sect. Mastichina (Lamiaceae)

open access: yesMolecular Ecology, Volume 35, Issue 3, February 2026.
ABSTRACT Understanding gene flow between ploidy levels in polyploid complexes is essential for species delimitation and conservation. This study explores evolutionary dynamics in the polyploid complex Thymus sect. Mastichina (Lamiaceae), comprising three taxa: T. mastichina subsp. mastichina, T. mastichina subsp.
Francisco José García‐Cárdenas   +7 more
wiley   +1 more source

DINÁMICA MOLECULAR DE GLICINA ZWITTERIÓNICA EN SOLUCIÓN ACUOSA

open access: yesAnales (Asociación Física Argentina), 2004
Se realiza una simulación computacional utilizando dinámica molecular de glicina zwitteriónica en solución a dos concentraciones diferentes: 0,17 M y 1,6 M.
M. G. Campo, J. R. Grigera
doaj  

BIOLOGÍA MOLECULAR APLICADA AL DIAGNÓSTICO CLÍNICO

open access: yesRevista Médica Clínica Las Condes, 2015
El diagnóstico molecular es una área dinámica en constante desarrollo que ha revolucionado el diagnóstico clínico. La detección y cuantificación específica de material genético en una muestra biológica ha mostrado un significativo impacto en todas las ...
BQ. MAURICIO J. Farfán, PhD
doaj   +1 more source

Estudo da Energia da Banda de Condução em Células Solares Sensibilizadas por Complexos de Ruténio [PDF]

open access: yes, 2010
Um dos grandes desafios do nosso tempo é o aproveitamento da energia solar e outras fontes de energias renováveis para promover um desenvolvimento sustentável em grande escala.
Fontes, Octávio Hernani
core  

Genetic Ancestry Reveals Historical Diversity of Formation Across Three Brazilian Communities of African Descent (Quilombos) in Central Brazil

open access: yesAmerican Journal of Human Biology, Volume 38, Issue 1, January 2026.
ABSTRACT Introduction Characterized as relatively isolated communities, many Brazilian quilombos were formed during the period of slavery in Brazil when enslaved persons (most of African descent) ran away or were abandoned by their enslavers. Quilombos in Central Brazil, whose settlement was more recent due to the relative isolation of the region ...
Sabrina Guimarães Paiva   +7 more
wiley   +1 more source

Características morfogênicas e estruturais de Paspalum guenoarum submetidos à adubação nitrogenada. [PDF]

open access: yes, 2011
P.guenoarum é uma gramínea que compõem as pastagens do Bioma Pampa, sendo necessário conhecer a resposta de suas características morfogênicas e estruturais à adubação com N, para traçar estratégias de manejo.
CARASSAI, I. J.   +5 more
core  

Mucoadhesive Polyvinyl Alcohol Film Containing Fridericia chica Extract for Mucositis Treatment: Pharmacological Evaluation and Active Compounds Release

open access: yesChemistry &Biodiversity, Volume 23, Issue 1, January 2026.
ABSTRACT Oral mucositis is a frequent and painful complication of cancer therapy with limited effective options. This study evaluated a mucoadhesive polyvinyl alcohol (PVA) film containing 2.5% Fridericia chica extract as a novel strategy. The formulation was characterized for antioxidant activity, phenolic and flavonoid content, and reactive species ...
Ilza Maria de Oliveira Sousa   +12 more
wiley   +1 more source

ORIGEN DE LA ANOMALÍA EN EL ESPECTRO DE FONONES DEL La2CuO4

open access: yesAnales (Asociación Física Argentina), 2013
En este trabajo mostramos que la excitación adicional observada en el espectro de fonones del La2CuO4 puede tener su origen en las fluctuaciones de carga del Cu.
A. Dobry   +3 more
doaj  

USO DA RMN DE BAIXA RESOLUÇÃO NA AVALIAÇÃO DA DINÂMICA MOLECULAR DO Origanum vulgare

open access: yesQuímica Nova, 2015
In this work, proton NMR relaxometry was used to measure the behavior of spin-lattice relaxation time with T1H as the time constant, and also of spin-spin relaxation time with the time constant T2H.
Vanessa Cristina dos Santos Peixoto de Oliveira   +4 more
doaj   +1 more source

Dinâmica da infecção causada por Mycobacterium Avium em suínos. Avaliação do critério de julgamento e destino das carcaças acometidas. [PDF]

open access: yes, 2015
bitstream/item/85479/1/DCOT-313 ...
AMARAL, A. L. do   +5 more
core   +1 more source

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