Search results for "MORPHOLOGY"
showing 10 items of 1425 documents
La cueva de El Sidrón (Borines, Piloña, Asturias): primeros resultados
2003
Se exponen los resultados preliminares de las excavaciones arqueológicas llevadas a cabo en la Cueva de El Sidrón entre 2000 y 2002, de acuerdo con los tres objetivos principales que conciernen al registro fósil humano: las características antropológicas, cómo y cuándo llegaron allí y la relación entre fósiles y cultura. Las primeras conclusiones obtenidas son que los restos humanos pertenecen al Neandertal, que el registro arqueológico corresponde a un tecno-complejo del Paleolítico Medio y que están en posición secundaria
A highly selective, Hg2+ triggered hydrogelation: modulation of morphology by chemical stimuli
2014
We report the first Hg2+ selective hydrogelation by 4´-[4-(4- aminophenyl)phenyl]-2,2´:6´,2´´-terpyridine. The gel showed remarkable response towards specific chemical agents such as benzo-18-crown-6 ether and K+ which enabled extensive 10 modulation of the gel morphology. peerReviewed
Comparative Surface Morphology, Chemical Composition, and Cytocompatibility of Bio-C Repair, Biodentine, and ProRoot MTA on hDPCs
2020
Biocompatibility is an essential property for any vital pulp material that may interact with the dental pulp tissues. Accordingly, this study aimed to compare the chemical composition and ultrastructural morphology of Biodentine (Septodont, Saint Maur-des-Fosses, France), ProRoot MTA (Dentsply Tulsa Dental Specialties, Johnson City, TN, USA), and Bio-C Repair (Angelus, Londrina, PR, Brazil), as well as their biological effects on human dental pulp cells. Chemical element characterization of the materials was undertaken using scanning electron microscopy and energy dispersive X-ray analysis (SEM-EDX). The cytotoxicity was assessed by analyzing the cell viability (MTT assay), cell morphology …
Cuantificación de la calidad embrionaria mediante el consumo de oxígeno durante el proceso rutinario de incubación y desarrollo in vitro
2015
A pesar de la aplicación intensiva de las TRA y de las cada vez mayores tasas de éxito, hay ciertos aspectos de estos tratamientos que continúan sin resolverse, siendo una limitación importante el hecho de que sólo entre el 10-20% de los embriones transferidos al útero sean capaces de dar lugar a un embarazo a término. Esta limitación está promoviendo el desarrollo de nuevas técnicas no invasivas para seleccionar embriones más eficazmente que mediante el mero criterio morfológico. Las evidencias apoyadas por distintos trabajos encontrados en la literatura hacen que consideremos algunos métodos no invasivos, como la actividad metabólica de ovocitos y embriones, como buenos predictores de la …
Revised classification of the New World Cylapini (Heteroptera: Miridae: Cylapinae): taxonomic review of the genera Cylapinus, Cylapoides and Peltidoc…
2021
Cylapini, as currently circumscribed, is a relatively small group of plant bugs currently comprising 17 genera and 65 species. Most representatives of the tribe are distributed in the New World (10 genera and 47 species) with other members occurring in the Afrotropical, Oriental, and Australian regions. They have primarily tropical and subtropical distributions with only a few members inhabiting temperate regions. This paper provides a taxonomic review of three of the New World Cylapini genera: Cylapinus Carvalho, 1986, Cylapoides Carvalho, 1952, and Peltidocylapus Poppius, 1909. Most species are diagnosed and redescribed. Eight new species are described as new: Cylapinus yasunagai sp. nov.…
Ladinia dolomitica
2020
Scopo di questo contributo è offrire una panoramica sull’area che viene usualmente definita “Ladinia dolomitica” e sulla varietà linguistica che vi viene tradizionalmente parlata, il ladino. L'articolo descrive brevemente la storia dell'area e dello sviluppo del ladino, e in seguito descrive le caratteristiche fonologiche, morfologiche, sintattiche e lessicali principali del ladino, che lo distinguono dalle vicine varietà italoromanze. In seguito si illustrano le peculiarità linguistiche dei singoli dialetti ladini, che sono parlati ognuno in una valle diversa delle Dolomiti. L'articolo è fortemente innovativo e originale, perché permette di ascoltare i file audio che esemplificano i tratti…
CoproID predicts the source of coprolites and paleofeces using microbiome composition and host DNA content
2020
Shotgun metagenomics applied to archaeological feces (paleofeces) can bring new insights into the composition and functions of human and animal gut microbiota from the past. However, paleofeces often undergo physical distortions in archaeological sediments, making their source species difficult to identify on the basis of fecal morphology or microscopic features alone. Here we present a reproducible and scalable pipeline using both host and microbial DNA to infer the host source of fecal material. We apply this pipeline to newly sequenced archaeological specimens and show that we are able to distinguish morphologically similar human and canine paleofeces, as well as non-fecal sediments, fro…
On the semantic interpretation of complex causatives in Finnish: An experimental morphology approach
2009
It is well documented that in some languages, such as in Finnish, it is possible to stack derivational morphemes iteratively to word stems. However, such complex words are seldom used in real communication, and it is unclear whether they are interpreted compositionally in tandem with their morphological structure. Here I studied the matter by eliciting semantic interpretations from ten native speakers of Finnish for words whose complexity and morphemic content were systematically varied. The results show that although the frequency of semantic interpretation decreases linearly as a function of the number of morphemes in a word (contrary to the case of ungrammatical words where the semantic …