Results 31 to 40 of about 64,158,858 (176)

Building phenotypic character matrices for phylogenetic inference: exploration of 35 years of practice

open access: yesBiological Reviews, Volume 101, Issue 5, Page 2379-2407, October 2026.
ABSTRACT Recent methodological development in phylogenetic inference has focused predominantly on molecular data. However, renewed interest in other data types, particularly morphological data, has followed from the increased recognition of the power of total evidence and tip‐dating approaches, including fossil data, for inference of time‐scaled trees ...
Melanie J. Hopkins   +9 more
wiley   +1 more source

Arbuscular mycorrhizal fungi (AMF) in the tropical dry forest affected by fire and fluviolcanic deposits in the department of Tolima, Colombia

open access: yes, 2021
El bosque seco tropical (BST) concentra la mayor parte de la biodiversidad mundial y actualmente es uno de los ecosistemas más degradados de Colombia. Para su conservación es importante conocer la diversidad de microorganismos del suelo que forman parte ...
Devia-Grimaldo, Laura Daniela   +3 more
core   +1 more source

Detección de hongos micorrícicos arbusculares en la hojarasca de distintas especies arbóreas: evaluación de tres técnicas de clarificación.

open access: yesBoletín de la Sociedad Argentina de Botánica, 2023
Introducción y objetivos: Los hongos micorrícicos arbusculares (HMA) forman asociaciones simbióticas mutualistas con las raíces de las plantas y se desarrollan en el suelo y hojarasca.
Sofía Crescio   +2 more
doaj   +1 more source

Layer‐By‐Layer Self‐Assembled Nickel Hexacyanoferrate Electrodes Coupled With Polypyrrole for Battery‐Type Sodium Ion Exchange Systems

open access: yesChemElectroChem, Volume 13, Issue 17, 1 September 2026.
Binder‐free nickel hexacyanoferrate (NiHCF) electrodes fabricated via layer‐by‐layer (LbL) self‐assembly enable efficient sodium‐ion storage and electrochemical desalination. The controlled multilayer architecture improves ion accessibility and cycling stability compared to conventional slurry‐based electrodes, providing a promising and scalable route ...
Henry Michel Zelada Romero   +3 more
wiley   +1 more source

IN WHICH SENSE CAN WE TALK ABOUT A DIALOGUE BETWEEN THE SCIENCES? AN ESSAY CONCERNING THE NEW SCIENCES OF COMPLEXITY

open access: yes, 2005
Es efectivamente posible y necesario el diálogo entre las ciencias físicas, exactas y naturales y las ciencias sociales y humanas. El lugar en el que este diálogo es efectivamente fructífero es en el espacio constituido por las nuevas ciencias de la ...
Maldonado, Carlos Eduardo
core   +1 more source

El Instituto de Ciencias Naturales (1936-2019): de la historia natural al conocimiento de la biodiversidad en Colombia

open access: yes, 2020
Se describen y se relacionan en una línea de tiempo los antecedentes institucionales sobre el origen y los hechos más notables del Instituto de Ciencias Naturales, y se analizan los alcances de sus contribuciones al conocimiento de la historia natural en
Amat García, Germán   +1 more
core   +1 more source

Caldas, matematización de la naturaleza y sentimiento telúrico

open access: yes, 2016
Con motivo de conmemorarse en el próximo mes de octubre el bicentenario de la muerte de Francisco José de Caldas (1768-1816), la Academia Colombiana de Ciencias Exactas, Físicas y Naturales ha venido adelantando desde el año pasado, en conjunto con ...
Arboleda, Luis Carlos
core   +1 more source

Inflammatory cutaneous lesions and pulmonary manifestations in a new patient with autosomal recessive ISG15 deficiency case report

open access: yesAllergy, Asthma & Clinical Immunology, 2020
Interferon-stimulated gene 15 (ISG15) was the first ubiquitin-like modifier protein identified that acts by protein conjugation (ISGylation) and is thought to modulate IFN-induced inflammation.
Guadalupe Buda   +9 more
doaj   +1 more source

Alternative Waiting Time Statistics for the Lu and Hamilton Avalanche Model

open access: yesThe Astrophysical Journal, 2023
The solar corona hosts many explosive events. Among them, flares are some of the most energetic, rapidly releasing huge amounts of energy and, in the case of the largest ones, producing coronal mass ejections that have the potential to harm life on our ...
Matías Kychenthal, Laura F. Morales
doaj   +1 more source

Aberrant RET expression affects normal mammary gland post-lactation transition, enhancing cancer potential

open access: yesDisease Models & Mechanisms, 2022
RET is a receptor tyrosine kinase with oncogenic potential in the mammary epithelium. Several receptors with oncogenic activity in the breast are known to participate in specific developmental stages.
Sabrina A. Vallone   +8 more
doaj   +1 more source

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