Results 61 to 70 of about 12,211 (148)

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

Genetic connectivity of the endangered brown sea cucumber Isostichopus fuscus in the northern Gulf of California revealed by novel microsatellite markers

open access: yesRevista Mexicana de Biodiversidad, 2018
Isostichopus fuscus is an economically important sea cucumber that has been highly exploited along its distribution range in the eastern Pacific. The significant population decline is responsible for its listing as endangered in the IUCN Red List ...
José Miguel Ochoa-Chávez   +3 more
doaj   +1 more source

Higher complement C4 gene copy number constitutes a shared genetic risk factor for giant cell arteritis and IgA vasculitis

open access: yesArthritis &Rheumatology, Accepted Article.
Objective Low copy number (CN) of complement C4 isoforms and high CN of retroviral HERV‐K elements are known risk factors for many immune‐mediated inflammatory diseases (IMIDs), often showing sex‐biased effects. Here, we assessed whether CN variation within the C4 gene contributes to giant cell arteritis (GCA) and IgA vasculitis (IgAV), two complex ...
Laura Martínez‐Gutiérrez   +296 more
wiley   +1 more source

Unidad de Energía Renovable del Centro de Investigación Científica de Yucatán (CICY)

open access: yesMundo Nano, 2017
En esta contribución se describen las actividades de investigación y desarrollo tecnológico que se realizan en áreas relacionadas con la catálisis, así como con nanociencias y nanotecnología (NyN) en la Unidad de Energía Renovable (UER) del Centro de ...
Juan Carlos Chavarría Hernández   +3 more
doaj   +1 more source

Synergetic Combination of Carbon Xerogels, Graphene Oxide and nano‐ZnO for Aqueous and Organic Supercapacitors

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
This work proposes the synthesis of carbon‐based nanostructured materials obtained using ZnO as both nanos‐ template and catalysts simultaneously. During the synthesis, GO was used as a stabiliser, preventing the collapse of the 3D structure and improving its properties in terms of capacitance and surface area.
Rusbel Coneo‐Rodríguez   +5 more
wiley   +1 more source

The power of many: when genetics met yeasts and high‐throughput

open access: yesBiological Reviews, EarlyView.
ABSTRACT In recent years, complex technological capabilities have evolved, driven by the need to solve complex and integrative biological questions through global analyses. New equipment allows the scaling up and automation of processes which previously were carried out on a very limited scale.
Víctor A. Tallada, Víctor Carranco
wiley   +1 more source

Annual and semiannual variations of phytoplankton biomass and production in the central Gulf of California estimated from satellite data

open access: yesCiencias Marinas, 2013
Surface waters of the Midriff Islands region of the Gulf of California persistently have the lowest temperatures (SST) and the highest nutrient concentrations of all surface waters of the gulf. The purpose of this work was to characterize the annual and
Laura Lucero Álvarez-Molina   +3 more
doaj   +1 more source

Polycarbazole–NiOOH Interfacial Engineering of BiVO4 Photoanodes for Efficient and Stable Solar Water Splitting

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A π‐conjugated carbazole (p‐CBZ) layer is electro‐polymerized on BiVO4 to form a p–n heterojunction that enhances charge separation and suppresses surface recombination, while a NiOOH co‐catalyst accelerates oxygen evolution kinetics. The synergistic BVO/p‐CBZ/NiOOH photoanode delivers a high photocurrent density and long‐term stability for efficient ...
Lakshman Sundar Arumugam   +11 more
wiley   +1 more source

Temperature, salinity, nutrients and chlorophyll a in coastal waters of the Southern California Bight

open access: yesCiencias Marinas, 2001
The seasonal variability of dissolved inorganic nutrients (phosphates, PO–34; nitrates, NO–3; nitrites, NO–2) and chlorophyll a was studied during five surveys in nearshore waters of the southern region of the Southern California Bight (SCB).
TL Espinosa-Carreón   +3 more
doaj   +1 more source

Ground‐ and Excited‐State Mixed Valency in a 4,4′‐Bipyridine‐Bridged Bimetallic Di‐Ruthenium Complex

open access: yesEuropean Journal of Inorganic Chemistry, EarlyView.
Photoinduced mixed‐valence interactions across a 4,4′‐bpy bridge were studied. MLCT excited states in the bimetallic complex are longer‐lived than in the monometallic reference, thanks to metal–metal electronic coupling and hole delocalization, but are still shorter than the nanosecond timescale relevant for diffusional reactivity.
Ivana Ramírez‐Wierzbicki   +3 more
wiley   +1 more source

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