Results 21 to 30 of about 148,749 (216)

Nanoemulsion for improving solubility and permeability of Vitex agnus-castus extract: formulation and in vitro evaluation using PAMPA and Caco-2 approaches

open access: yesDrug Delivery, 2017
The purpose of this study was to develop new formulation for an improved oral delivery of Vitex agnus-castus (VAC) extract. After the optimization and validation of analytical method for quali-quantitative characterization of extract, nanoemulsion (NE ...
Vieri Piazzini   +5 more
doaj   +1 more source

Caciques, jesuitas y chamanes en la frontera sur de Buenos Aires (1740-1753)

open access: yesAnuario de Estudios Americanos, 2003
El artículo analiza la evolución de tres misiones fundadas por la compañía de Jesús al sur del río Salado, en la gobernación de Buenos Aires, entre los años 1741 y 1753.
Raúl Hernández Asensio
doaj   +1 more source

Ecological and Sociodemographic Determinants of House Infestation by Triatoma infestans in Indigenous Communities of the Argentine Chaco [PDF]

open access: yes, 2015
The Gran Chaco ecoregion, a hotspot for Chagas and other neglected tropical diseases, is home to >20 indigenous peoples. Our objective was to identify the main ecological and sociodemographic determinants of house infestation and abundance of Triatoma ...
Cardinal, Marta Victoria   +4 more
core   +3 more sources

Systematic Characterization of Gas Phase Binary Pre-Nucleation Complexes Containing H2SO4 + X, [ X = NH3, (CH3)NH2, (CH3)2NH, (CH3)3N, H2O, (CH3)OH, (CH3)2O, HF, CH3F, PH3, (CH3)PH2, (CH3)2PH, (CH3)3P, H2S, (CH3)SH, (CH3)2S, HCl, (CH3)Cl)]. A Computational Study [PDF]

open access: yes, 2018
A systematic characterization of gas phase binary prenucleation complexes between H2SO4 (SA) and other molecules present in the atmosphere (NH3, (CH3)NH2, (CH3)2NH, (CH3)3N, H2O, (CH3)OH, (CH3)2O, HF, CH3 F, PH3, (CH3)PH2, (CH3)2PH, (CH3)3P, H2S, (CH3)SH,
Cometto, Pablo Marcelo   +2 more
core   +1 more source

Preliminary study on effect of agricultural activities in pollen spectrum of argentinean honey [PDF]

open access: yes, 2019
Honey floral origin is determined by the harversting region, but anthropogenic factors as agriculture expansion might modify the environmental flora and consequently honey floral origin.
Fagundez, Guillermina Andrea   +2 more
core   +2 more sources

Evaluation of the Ability of PAMPA Membranes to Emulate Biological Processes through the Abraham Solvation Parameter Model

open access: yesMembranes, 2023
Two parallel artificial membrane permeability assay (PAMPA) systems intended for emulating skin permeability have been characterized through the solvation parameter model of Abraham using multilinear regression analysis.
Sara Soriano-Meseguer   +3 more
doaj   +1 more source

Programa de rádio Ecos do Pampa: Diálogo de saberes sobre plantas nativas

open access: yesRevista Brasileira de Extensão Universitária, 2023
O Bioma Pampa é um mosaico de paisagens campestres e florestais. Nas últimas duas décadas a biodiversidade intrínseca a esses ecossistemas vem sofrendo forte ameaça devido à pressão no uso da terra por atividades agropecuárias. Uma alternativa para essa
Stefany Areva Severo   +2 more
doaj   +1 more source

Geo-structural map of the Laguna Blanca basin (Southern Central Andes, Catamarca, Argentina) [PDF]

open access: yes, 2015
The Laguna Blanca basin is a rhomb-shaped basin located at the SE margin of the Puna plateau in the southern Central Andes (Catamarca, Argentina). An interactive analysis using remote sensing and field mapping enabled us to produce a geo-structural map ...
Massironi, Matteo   +2 more
core   +2 more sources

Permeation characteristics of tetracyclines in parallel artificial membrane permeation assay II: Effect of divalent metal ions and mucin

open access: yesADMET and DMPK, 2020
The bioavailability of tetracyclines is markedly decreased when co-administered with antacids, milk, or food containing Ca2+. Previously, it was suggested that the effective intestinal permeation of tetracycline (TC) was decreased due to Ca2+ linked ...
Sachika Yamauchi   +2 more
doaj   +1 more source

La pregunta por el autor en Bajtín

open access: yesBakhtiniana: Revista de Estudos do Discurso, 2014
Quisiera reflexionar sobre el problema del autor en Bajtín que es objeto de numerosos asedios a lo largo de su obra: como personaje, como ideólogo de la arquitectónica, como voz enmascarada, como oído polifónico, como interlocutor en diálogo ...
Pampa Olga Arán
doaj   +3 more sources

Home - About - Disclaimer - Privacy