Search Results - "Froehner, Sandro"

Physiological Effects of Exposure to Copper and Chromium in Three Floating Aquatic Macrophyte Species by de Souza, Débora Cristina, Fontaneli, Ana Carla, Peron, Ana Paula, Froehner, Sandro

“…The ability of plants to resist heavy metals is associated with the development of different ecotypes and intracellular strategies capable of dealing with the…”
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Analysis of redox-sensitive trace elements to the reconstruction of the depositional paleoenvironment of the Ponta Grossa Formation in southern Brazil by Galoski, Carlos Eduardo, Jiménez Martínez, Angela Ethelis, Vaz, Ana Paula de Melo e Silva, França, Almério Barros, Froehner, Sandro José

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Stability in Aqueous Solution of a New Spray-Dried Hydrocolloid of High Andean Algae Nostoc sphaericum by Choque-Quispe, David, Ligarda-Samanez, Carlos A, Choque-Quispe, Yudith, Froehner, Sandro, Solano-Reynoso, Aydeé M, Moscoso-Moscoso, Elibet, Carhuarupay-Molleda, Yakov Felipe, Peréz-Salcedo, Ronald

“…There is a growing emphasis on seeking stabilizing agents with minimal transformation, prioritizing environmentally friendly alternatives, and actively…”
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A High Andean Hydrocolloid Extracted by Microatomization: Preliminary Optimization in Aqueous Stability by Choque-Quispe, Yudith, Choque-Quispe, David, Ligarda-Samanez, Carlos A, Solano-Reynoso, Aydeé M, Froehner, Sandro, Ramos-Pacheco, Betsy S, Carhuarupay-Molleda, Yakov Felipe, Sumarriva-Bustinza, Liliana Asunción

“…Aqueous suspensions rely on electrostatic interactions among suspended solids, posing a significant challenge to maintaining stability during storage,…”
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Preparation and Chemical and Physical Characteristics of an Edible Film Based on Native Potato Starch and Nopal Mucilage by Choque-Quispe, David, Froehner, Sandro, Ligarda-Samanez, Carlos A., Ramos-Pacheco, Betsy S., Palomino-Rincón, Henry, Choque-Quispe, Yudith, Solano-Reynoso, Aydeé M., Taipe-Pardo, Fredy, Zamalloa-Puma, Lourdes Magaly, Calla-Florez, Miriam, Obregón-Yupanqui, Miriam E., Zamalloa-Puma, Miluska M., Mojo-Quisani, Antonieta

“…Edible films prepared from biological materials are being massively used. This study aimed to prepare edible films from native potato starch of the Allcca…”
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The Mahogany Zone, Uinta Basin, USA: insights from the organic matter evolution of oil shale, Green River Formation source, maturity, and deposition by Froehner, Sandro, Hungerbuhler, Paola, Martins, Cesar Castro, Schleder, Aluana Ariane, França, Almério, Bahniuk, Anelize

“…In this work, the organic matter content present in core samples from the Mahogany Zone of the Green River Formation was examined in order to better understand…”
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New Evidence for an Episode of Accelerated Environmental Change in the Late Barremian: Geochemical and Paleontological Records from the Subbetic Basin (Western Tethys) by de Gea, Ginés A., Castro, José Manuel, Company, Miguel, O’Dogherty, Luis, Sandoval, José, Quijano, María Luisa, Sequero, Cristina, Froehner, Sandro, Aguado, Roque

“…We investigate a new event of accelerated environmental change that was recorded during the late Barremian in the pelagic Subbetic Basin (Western Tethys). Two…”
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Critical aggregates concentration of fatty esters present in biodiesel determined by turbidity and fluorescence by Froehner, Sandro, Sánez, Juan, Dombroski, Luiz Fernando, Gracioto, Maria Paula

“…Biodiesel for combustible engine is available as mixture of fossil diesel and fatty esters obtained by transesterification of vegetable oils. The use of…”
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Insights from Water Quality of High Andean Springs for Human Consumption in Peru by Choque-Quispe, David, Froehner, Sandro, Ligarda-Samanez, Carlos A., Ramos-Pacheco, Betsy S., Peralta-Guevara, Diego Elio, Palomino-Rincón, Henry, Choque-Quispe, Yudith, Solano-Reynoso, Aydeé M., Barboza-Palomino, Gloria I., Taipe-Pardo, Fredy, Zamalloa-Puma, L. Magali

“…The headwaters of the high Andean basin in Peru accumulate water from the mist, rain, snow, and hail, and it is transported superficially and underground to…”
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Proposal of a Water-Quality Index for High Andean Basins: Application to the Chumbao River, Andahuaylas, Peru by Choque-Quispe, David, Froehner, Sandro, Palomino-Rincón, Henry, Peralta-Guevara, Diego E., Barboza-Palomino, Gloria I., Kari-Ferro, Aydeé, Zamalloa-Puma, Lourdes Magaly, Mojo-Quisani, Antonieta, Barboza-Palomino, Edward E., Zamalloa-Puma, Miluska M., Martínez-Huamán, Edgar L., Calla-Florez, Miriam, Aronés-Medina, Edgar G., Solano-Reynoso, Aydeé M., Choque-Quispe, Yudith

“…The water from the high Andean rivers is peculiar due to its composition and the geomorphology of its sources, and naturally or anthropogenically contamination…”
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Flocculant capacity of hydrocolloid extracted from high Andean algae (Nostoc sphaericum) in the treatment of artificial wastewater: An approach by Herbas-De la Cruz, Ruth Karina, Choque-Quispe, Yudith, Choque-Quispe, David, Ligarda-Samanez, Carlos A., Froehner, Sandro, Buleje-Campos, Dianeth, Ramos-Pacheco, Betsy S., Peralta-Guevara, Diego E., Pérez-Salcedo, Ronald, Yauris-Silvera, Celia Rocio, Estrada-Pantía, José Luis, Pumacayo-Sanchez, Zaida Olinda

“…The treatment of wastewater of domestic sources is composed by a series of procedures for the removal of pollutants, and involves the use of chemicals, for…”
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Tracking Anthropogenic Inputs in Barigui River, Brazil Using Biomarkers by Froehner, Sandro, Souza, Daniele Botelho, Machado, Karina Scurupa, da Rosa, Edson Cordova

“…The Barigüi River watershed is located in the metropolitan region of Curitiba, Southern Brazil, passing through several neighboring counties. In recent years,…”
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Sediments as a potential tool for assessment of sewage pollution in Barigüi River, Brazil by Froehner, Sandro, Maceno, Marcell, Martins, Raquel Fernandes

“…Sediments constitute a pollutant trap and have proven to be an efficient tool to identify environmental impacts. Sediments are considered a very important…”
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Spatial variation of metals and phosphorus in sediments of a river influenced by urbanization by Macedo Neto, Daniel, Froehner, Sandro, Sanez, Juan

“…ABSTRACT The suspended sediments are a special compartment that characterizes the effects of land use in the watershed. Such compartment is able to trap…”
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Avaliação do transporte do ácido 2,4-diclorofenoxiacético através de um lisímetro by Macedo Neto, Daniel, Froehner, Sandro, Machado, Karina Scurupa

“…The objective of this study was to evaluate the transport of one of the most toxic and best-selling herbicides in Brazil. The active ingredient…”
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Distribution of n-alkanes in lacustrine sediments from subtropical lake in Brazil by de Souza, Daniele Botelho, Machado, Karina Scurupa, Froehner, Sandro, Scapulatempo, Cristóvão Fernandes, Bleninger, Tobias

“…The geochemical composition of lake bed sediments of a tropical reservoir in Brazil have been investigated. The C, N, P composition showed almost no variation…”
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Evaluation of occurrence of NO3–, Coliform and atrazine in a karst aquifer, Colombo, PR by Schleder, Aluana Ariane, Vargas, Lucília Maria Parron, Hansel, Fabricio Augusto, Froehner, Sandro, Palagano, Leonardo Tozini, Rosa Filho, Ernani Francisco da

“…ABSTRACT The vulnerability of karst aquifers to contamination by agrochemical compounds was studied. Such contamination occurs due to its geomorphological…”
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Corrigendum to “Changes in atmospheric CO2 levels recorded by the isotopic signature of n-alkanes from plants” [Glob. Planet. Chang. 148 (2017) 72–78] by Machado, Karina Scurupa, Froehner, Sandro

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Changes in atmospheric CO2 levels recorded by the isotopic signature of n-alkanes from plants by Machado, Karina Scurupa, Froehner, Sandro

“…The isotopic signature of sedimentary organic matter acts as a tracer for past changes in the terrestrial and aquatic carbon cycles. The temporal variation in…”
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Changes in atmospheric CO 2 levels recorded by the isotopic signature of n -alkanes from plants by Machado, Karina Scurupa, Froehner, Sandro

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