Results 1 to 10 of about 43 (40)

Fractionation of an Extract of Pluchea odorata Separates a Property Indicative for the Induction of Cell Plasticity from One That Inhibits a Neoplastic Phenotype. [PDF]

open access: yesEvid Based Complement Alternat Med, 2012
Introduction. Several studies demonstrated that anti‐inflammatory remedies exhibit excellent anti‐neoplastic properties. An extract of Pluchea odorata (Asteraceae), which is used for wound healing and against inflammatory conditions, was fractionated and properties correlating to anti‐neoplastic and wound healing effects were separated. Methods.
Seelinger M   +15 more
europepmc   +2 more sources

Distribution, diversity and ecology of modern freshwater ostracodes (Crustacea), and hydrochemical characteristics of Lago Petén Itzá, Guatemala

open access: yesJournal of Limnology, 2010
We analyzed modern ostracode species assemblages and water column physico-chemical characteristics in Lago Péten Itzá, Guatemala. Lake waters are dominated by sulfate, bicarbonate, calcium and magnesium and display a total ion concentration of ~11 meq L ...
Burkhard SCHARF   +5 more
doaj   +1 more source

Colgantes de cerámica del Lago Peten Itza - Guatemala

open access: yesAnales de Antropología, 2009
Este artículo se basa en el hallazgo de 14 piezas arqueológicas muy poco comunes, que fueron retrabajadas para darles una nueva función: como pesas de red o hilo para pescar.
Miguel Rivera Dorado
doaj   +1 more source

Sistemática del pez Petenia splendida (Perciformes: Cichlidae) en el lago Petén Itzá, Guatemala

open access: yesRevista de Biología Tropical, 2011
El Lago Petén Itzá se ubica en la zona de usos múltiples de la Reserva de la Biosfera Maya, entre sus especies ícticas encontramos al pez blanco (Petenia splendida) de alto valor comercial.
Anaitté Méndez   +2 more
doaj   +2 more sources

Extant freshwater ostracodes (Crustacea: Ostracoda) from Lago Petén Itzá, Guatemala

open access: yesRevista de Biología Tropical, 2010
Ostracode taxonomy has been of great interest because of their possible use as indicator species in climate and ecosystem changes. In Central and South America, few studies have been carried out and this study includes a contribution to the group. Eleven
Liseth Pérez   +4 more
doaj   +2 more sources

Post-Columbian environmental history of Lago Petén Itzá, Guatemala

open access: yesRevista Mexicana de Ciencias Geológicas, 2014
Dos núcleos de sedimentos PI-SC-1-10m y PI-SC-2-40m de 40 cm de largo fueron extraídos bajo un tirante de agua de 10 y 40 m en el Lago Petén Itzá, Departamento de Petén, en el norte de Guatemala.
Liseth Pérez   +8 more
doaj  

Los señores de la entidad política de 'Ik' Lords of a political entity: 'Ik'

open access: yesEstudios de Cultura Maya, 2009
Este artículo constituye el primer intento de reconstrucción de la dinastía real de 'Ik' que se ha publicado. En 1973, el glifo emblema de la entidad política de 'Ik' fue asociado por Joyce Marcus con el sitio arqueológico de Motul de San José, asentado ...
Erik Velásquez García
doaj  

The Rotifer fauna of Guatemala and Belize: survey and biogeographical affinities

open access: yesRevista de Biología Tropical, 2007
Rotifer samples were obtained from 29 localities in northern Guatemala and central-southern Belize during March 2000 and June 2001. A total of 119 species were identified. Ten selected taxa are illustrated and commented: Euchlanis semicarinata, Lepadella
Alma Estrella García-Morales   +1 more
doaj  

Maize and ancient Maya droughts. [PDF]

open access: yesSci Rep, 2022
Islebe GA   +4 more
europepmc   +1 more source

Harmful algal blooms and cyanotoxins in Lake Amatitlán, Guatemala, coincided with ancient Maya occupation in the watershed. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Waters MN   +5 more
europepmc   +1 more source

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