Results 31 to 40 of about 2,760 (114)

Estudio inicial de captación e identificación de pólenes y hongos ambientales en Samborondón, Ecuador

open access: yesRevista Alergia México
Objetivo: Identificar y registrar los aeroalérgenos más importantes captados en la estación de aerobiología en la ciudad de Samborondón, Ecuador. Métodos: Los conteos de granos de polen y esporas de hongos se realizaron según la técnica estandarizada,
Oscar Manuel Calderón LLosa   +6 more
doaj   +1 more source

Estudios polínicos de la flora autóctona valenciana : Convolvulaceae [PDF]

open access: yes, 1986
Se estudian los caracteres palinológicos referentes a forma, tamaño, ornamentación, apertura y estructura de la exina, en las doce especies de la familia Convolvulaceae presentes en el área valenciana, las cuales se pueden separar en cuatro tipos ...
Güemes Heras, Jaime   +1 more
core  

Distinct Intra‐ and Interspecific Foraging Patterns of Stingless Bee Species as a Conservation Tool

open access: yesBiotropica, Volume 57, Issue 5, September 2025.
In this study, we examined the foraging patterns of three rescued stingless bee species in the Bolivian Yungas using melissopalynology and plant–pollinator network analysis. We found distinct floral foraging patterns both within and among three stingless bee species in the Bolivian Yungas, suggesting niche partitioning at multiple levels.
Sissi Lozada‐Gobilard   +4 more
wiley   +1 more source

Verbesserter Stofftransport und Ladungstransfer in COF‐basierten Photokatalysatoren mit dreidimensional geordneten Makroporen für die Benzylaminoxidation und Wasserstoffentwicklung

open access: yesAngewandte Chemie, Volume 137, Issue 34, August 18, 2025.
Ein einstufiges, selbstopferndes Templating ermöglicht die Synthese von 3DOM‐COFs mit geordneten Makroporen. In Kombination mit ZnCdS katalysiert das daraus resultierende S‐Schema‐Heterojunktion effizient die Oxidation von Benzylamin und die H₂‐Entwicklung.
Lijuan Sun   +10 more
wiley   +1 more source

Gene Flow and Vertical Stratification of Pollination in the Bat‐Pollinated Liana Marcgravia longifolia

open access: yesEcology and Evolution, Volume 15, Issue 8, August 2025.
This study investigates pollen dispersal, vertical stratification of gene flow, and spatial genetic structure in the bat‐pollinated liana Marcgravia longifolia in a western Amazonian forest. Flowers are produced from the forest floor to the canopy, allowing analysis of pollination across strata.
Malika Gottstein   +6 more
wiley   +1 more source

Formulation and evaluation of alternative to beeswax for vegan lipsticks

open access: yesInternational Journal of Cosmetic Science, Volume 47, Issue 4, Page 626-638, August 2025.
Characterization of a cosmetic ingredient as a vegan alternative to beeswax. Investigation of binary oil–wax systems for cosmetic applications. Development of a predictive strategy for the formulation of vegan stick cosmetics. Abstract Honeybees' success is strictly linked to the chemical and application properties of their products: honey, beeswax (BW)
Manuela Loiacono   +4 more
wiley   +1 more source

Pollen morphology, deep learning, phylogenetics, and the evolution of environmental adaptations in Podocarpus

open access: yesNew Phytologist, Volume 247, Issue 3, Page 1460-1473, August 2025.
Summary Podocarpus pollen morphology is shaped by both phylogenetic history and the environment. We analyzed the relationship between pollen traits quantified using deep learning and environmental factors within a comparative phylogenetic framework.
Marc‐Élie Adaimé   +4 more
wiley   +1 more source

Prevalencia de sensibilización a aeroalérgenos en pacientes con rinitis alérgica en el sur de Bolivia

open access: yesVacciMonitor, 2016
La rinitis alérgica es la enfermedad crónica más común, de elevado impacto sanitario y de importancia creciente en la mayor parte del mundo, los aeroalérgenos de ácaros, hongos y pólenes constituyen los desencadenantes más frecuentes de alergia ...
Eliot Iván Narváez-Gómez
doaj  

Maturação orgânica e palinoestratigrafia da Sondagem RUIVO-1, região imersa da Bacia Algarvia: contribuições para a prospecção de hidrocarbonetos [PDF]

open access: yes, 2010
A sondagem RUIVO-1, localizada na região imersa da Bacia Algarvia, foi estudada com a finalidade de se caracterizar o grau de maturação e conhecer as idades das unidades litológicas com base na bioestratigrafia dos dinoflagelados.
Borges, Marisa   +3 more
core  

Fieberhafter papulovesikulärer Ausschlag bei einer Patientin mit Pyoderma gangraenosum

open access: yes
JDDG: Journal der Deutschen Dermatologischen Gesellschaft, Volume 24, Issue 2, Page 237-239, February 2026.
Anika Rajput Khokhar   +5 more
wiley   +1 more source

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