Results 51 to 60 of about 30,630 (204)

Opposing genetic patterns of range shifting temperate and tropical gastropods in an area undergoing tropicalisation

open access: yesJournal of Biogeography, Volume 51, Issue 2, Page 246-262, February 2024.
Abstract Aim The poleward range expansion of tropical species, and range contraction of temperate species (known as tropicalisation) has mainly been studied from an ecological perspective, with little research on its genetic consequences. Here, we used distributional and genetic data to document the consequences of tropicalisation in rocky shore ...
Karolina M. Zarzyczny   +10 more
wiley   +1 more source

Treatment with α‐Lipoic Acid over 16 Weeks in Type 2 Diabetic Patients with Symptomatic Polyneuropathy Who Responded to Initial 4‐Week High‐Dose Loading

open access: yesJournal of Diabetes Research, Volume 2015, Issue 1, 2015., 2015
Effective treatment of diabetic sensorimotor polyneuropathy remains a challenge. To assess the efficacy and safety of α‐lipoic acid (ALA) over 20 weeks, we conducted a multicenter randomized withdrawal open‐label study, in which 45 patients with type 2 diabetes and symptomatic polyneuropathy were initially treated with ALA (600 mg tid) for 4 weeks ...
Hector Garcia-Alcala   +8 more
wiley   +1 more source

Boston University Collegium Musicum, December 16, 1994 [PDF]

open access: yes, 1994
This is the concert program of the Boston University Collegium Musicum performance on Friday, December 16, 1994 at 8:00 p.m., at the Boston University Concert Hall, 855 Commonwealth Avenue, Boston, Massachusetts.
School of Music, Boston University
core  

Silver Nanoparticles Based on Annona muricata Peel Reduce Cell Viability in Medulloblastoma and Neuroblastoma Cell Lines

open access: yesJournal of Nanotechnology, Volume 2024, Issue 1, 2024.
Silver nanoparticles (AgNPs) can be obtained from plants and other organisms through green synthesis methods, considered eco‐friendly and highly biocompatible. In this way, using plants with antitumor bioactive compounds increases cytotoxicity against tumor cells, acting in synergy between plant bioactive compounds (covering the nanoparticle) and AgNPs
Eduardo Lira-Díaz   +6 more
wiley   +1 more source

Preliminary Studies of the Immunomodulator Effect of the Bougainvillea xbuttiana Extract in a Mouse Model

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2015, Issue 1, 2015., 2015
Bougainvillea xbuttiana is used as an analgesic in folk medicine in Mexico. The purpose of the present study was to determine the effects of the ethanolic extract from B. xbuttiana on macrophages activities. The phytochemical screening was performed for determine the presence of alkaloids, flavonoids, triterpenes, and saponins.
Lluvia Arteaga Figueroa   +4 more
wiley   +1 more source

Interpretación sísmica de volcanes de lodo en la zona occidental del abanico del delta del Rio Magdalena, Caribe colombiano [PDF]

open access: yes, 2013
El vulcanismo de lodo es un fenómeno que ha sido ampliamente reconocido como indicador de cuencas con prospección de hidrocarburos. Su presencia tiene gran relevancia a la hora de entender los procesos geológicos que actúan en una cuenca sedimentaria, ya
Quintero Ramírez, Juan David
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Los volcanes de la República Dominicana [PDF]

open access: yes, 2018
Gustavo A. Tirado F. (biografía): Se tituló de Ingeniero agrónomo en la Escuela Superior de Agricultura, Saltillo, Coahuila, México. Maestría en Suelos y Recursos Naturales, Centro Tropical de Investigación y Enseñanza, Turrialba, Costa Rica.
Gustavo A., Tirado F.
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El mapa de la Relación Geográfica de Zapotitlán (1579): una isla de racionalidad en un océano de empirismo [PDF]

open access: yes, 2011
En el proceso de colonización de América fue necesaria la representación de su territorio, empresa en la que surgió un nuevo estilo cartográfico híbrido, que mezclaba convenciones españolas e indígenas, así como otras nuevas que nacieron como ...
Morato-Moreno, Manuel
core   +1 more source

Additions, combinations, and synonyms for the Bolivian moss flora [PDF]

open access: yes, 2005
Fifty-five mosses are newly recorded for Bolivia. Additional collection data are given for twelve mosses considered little known or rare in the country. Six new synonyms are recognized, five from Bolivia, one from Brazil: Hookeria scabripes Müll. Hal. [
Churchill, Steven P.   +1 more
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A geophysical characterization of monogenetic volcanism

open access: yesGeofísica Internacional, 2011
En contraste con los volcanes poligenéticos, las erupciones asociadas al nacimiento de volcanes monogenéticos son mucho menos frecuentes y por tanto más difíciles de observar y estudiar.
Servando De la Cruz-Reyna   +1 more
doaj   +1 more source

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