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Phylogenetic Relationships of Rhizobia Based on Citrate Synthase Gene Sequences
(2004)
Partial nucleotide sequences of the citrate synthase (gltA) gene from different rhizobia genera were determined. Tree topologies based on this housekeeping gene were similar to that obtained using 16S rRNA sequences. However ...
Desinfección de superficies contaminadas con esporas de Clostridioides difficile con disoluciones activadas electroquímicamente
(2019)
Clostridioides difficile es el principal agente causal de diarrea nosocomial. Esta bacteria se
diferencia bajo ciertas condiciones adversas en endosporas, las cuales son difíciles de controlar debido a su alta resistencia ...
Ant–Aphid Relations in Costa Rica, Central America (Hymenoptera: Formicidae; Hemiptera: Aphididae)
(2012)
We present the first catalogue of ant-aphid associations (Hymenoptera: Formicidae / Hemiptera: Aphididae) of Costa Rica. 29 species of ants and 18 species of aphids establish 48 relationships. Those interactions seem not ...
Ecological and Public Health Effects of Microplastics Pollution
(2022-01)
Humans and ecosystems are constantly exposed to microplastics (MP). The magnitude of contamination, their ubiquity, and high persistence over time raise serious concerns about their effects on ecosystems, wildlife, and ...
Efecto del aislamiento urbano espacial y temporal en la diversidad genética, características acústicas y morfológicas de Melozone Leucotis (Aves: Passerellidae)
(2023)
La urbanización genera alteraciones en los ecosistemas, incluyendo la fragmentación de los hábitats naturales, lo que produce el aislamiento de poblaciones de una misma especie. Como consecuencia, se espera que el flujo ...
Estudio de capacidad de carga turística Reserva Natural Absoluta Cabo Blanco periodo 2012-2013
(2013-06-01)
La visitación a la Reserva Natural Absoluta Cabo Blanco se a incrementado en un 1000% desde su apertura.
Este estudio analiza la capacidad operativa y logística para atender la demanda turística.
What’s the date?
(2022)
Rafaël Govaerts, Adam P Karremans and
Julian Shaw go to lengths to establish the
effective publication dates of some orchid
names in the journal Revista Guatemalensis
The New Refugium Botanicum. Angraecum sesquipedale
(2019)
Angraecum sesquipedaleThouars, Histoire
Particulière des Plantes Orchidées
(Hist. Orchid.), pl. 66 & 67. 1822. TYPE:
Madagascar, without specific locality,
1798, L. M. A.-A. du Petit-Thouars s.n.;
lectotype, designated ...
High Performance Graphene–Oxide–Metal Diode through Bias‐Induced Barrier Height Modulation
(2016)
Graphene–oxide–metal diodes are presented whose performance is preserved even for thin oxide layers, as required for high frequency applications. The diodes, which rely upon bias-induced modulation of graphene's work ...