Results 21 to 30 of about 2,981 (172)

Smartphone-Based Biosensor Devices for Healthcare: Technologies, Trends, and Adoption by End-Users

Bioengineering, 2022
Smart biosensors are becoming an important support for modern healthcare, even more so in the current context. Numerous smartphone-based biosensor developments were published in recent years, some highly effective and sensitive. However, when patents and
Rossana E. Madrid, Fernando Ashur Ramallo, Daniela E. Barraza, Roberto E. Chaile   +3 more
doaj   +1 more source

BIOSORBENT of brown algae (Lessonia nigrescen) for mercury ions (HG2+) removal from aqueous solution

Results in Chemistry
Mercury contamination in water poses significant risks to both human health and ecosystems. This study developed a biosorbent using brown algae (Lessonia nigrescens) to remove Hg2+ ions from aqueous solutions.
William Edgar Heredia Peña, Antonio Ernesto Durand Gamez, Lilia Mary Miranda Ramos, Pavel Kewin Delgado Sarmiento, Stephanie Elena Sosa Pulcha, Vitor de Cinque Almeida, Hugo Guillermo Jiménez Pacheco   +6 more
doaj   +1 more source

Improved Production of Mashua (Tropaeolum tuberosum) Microtubers MAC-3 Morphotype in Liquid Medium Using Temporary Immersion System (TIS-RITA^®)

Agriculture, 2022
Essential molecules are embedded within the millenary crop Tropaeolum tuberosum (mashua); these compounds are critical for the Andean people’s traditional diet and extensively utilized by the pharmaceutical industry in Peru.
Gilmar Peña-Rojas, Roxana Carhuaz-Condori, Vidalina Andía-Ayme, Victor A. Leon, Oscar Herrera-Calderon   +4 more
doaj   +1 more source

Synthesis and Characterization of a Photocatalytic Material from TiO₂ Nanoparticles Supported on Zeolite Obtained from Ignimbrite Residue Used in Decolorization of Methyl Orange

Applied Sciences
In the present work, a TiO2/zeolite photocatalyst was synthesized by dispersing TiO2 nanoparticles obtained through the sol-gel method onto the surface of natural zeolite derived from ignimbrite residue. The zeolite was obtained from an ignimbrite rubble
Gianina Huayna, Antonio Laura, Rossibel Churata, Luis Lazo, Rivalino Guzmán, Pierre G. Ramos, Juan M. Rodriguez   +6 more
doaj   +1 more source

Protesta rural, bandolerismo e independencia nacional

RURIS (Campinas, Online), 2016
En el presente trabajo se estudian las diferentes formas de reacción de los campesinos y jornaleros en el período comprendido entre 1878, tras el fin de la primera guerra por la independencia, y 1902 con el establecimiento de la república. A partir del examen de los cambios ocurridos desde el punto vista socioeconómico y su impacto espacial y temporal,
openaire   +2 more sources

Justo Apu Sahuaraura

Yachay, 2022
Justo Apu Sahuaraura es uno de los próceres de la independencia invisibilizados en la historia nacional. Fue clérigo y escritor, miembro de la élite inca colonial, autor de Recuerdos de la monarquía peruana o bosquejo de la Historia de los Incas.
Gonzalo Valderrama Escalante
doaj   +1 more source

Efectos del vermicompost sobre la residualidad y disipación de clorpirifos y la fertilidad en un entisol de clima semiárido

Terra Latinoamericana
El uso excesivo de clorpirifos afecta la calidad de los suelos agrícolas provocando efectos negativos en la inocuidad de los alimentos cosechados. El comportamiento de los residuos de clorpirifos depende de las propiedades edáficas especialmente la ...
Oscar Tito-Nova, Sara Choqueneira-Ccasa, Guido Sarmiento-Sarmiento, Luis Lipa-Mamani   +3 more
doaj   +1 more source

ELECTRICAL POTENTIAL BETWEEN NON-PARALLEL FLAT ELECTRODES –SIMULATION OF A CELL USED WITH TOMATO

Anales (Asociación Física Argentina), 2021
The equipotential lines of the field generated by the cell used in dielectric measurements of whole fruit tomato are plotted. This cell consists of two inclined electrodes, at inverse potentials, and is an adaptation made in the Dielectric Laboratory of ...
A. Hemsy
doaj   +1 more source

THE TERRITORIALIZATION OF ANGOLA'S REAL ESTATE FRONTIER: How Private‐led Housing Developments are Reshaping the Outskirts of Luanda

International Journal of Urban and Regional Research, EarlyView.
Abstract Africa is recognized as the final frontier for urbanization and capitalism. Following a long wave of massive loans to promote state‐led developments, small private foreign and local developers are transforming the urban landscape on the outskirts of Luanda, forging partnerships with Angola's national and local governments and developing an ...
Higor Carvalho
wiley   +1 more source

Pueblos y naciones. Los sujetos de la independencia

Alcores: Revista de Historia Contemporánea, 2009
En este artículo se ensaya una interpretación de la crisis de la monarquía española iniciada en 1808 que tiene en cuenta la conformación de una pluralidad de sujetos políticos. Lejos de entender que fuera un momento en que compitieran las naciones emergentes contra la monarquía decadente, pretendo aquí ofrecer una explicación más compleja de la crisis ...
openaire   +4 more sources