Search results for: Ana M. López

Items from 1 to 20 out of 120 results

article

Advances in interferometric techniques for the analysis of the three-dimensional flow in a lid-driven cylindrical cavity

Ana M. López, Julia Lobera, Nieves Andrés, M. Pilar Arroyo, more

Experiments in Fluids > 2020 > 61 > 1 > 1-14

In this work, a qualitative and quantitative characterization of the three-dimensional flow in a lid-driven cylindrical cavity with different optical techniques is presented. Mach–Zehnder interferometry and photographic techniques have been used for a qualitative description of some flow features. However, the real challenge is to obtain quantitative measurements, as the cavity dimensions and geometry...

article

Thermal treatment and modified atmosphere packaging delay chilling injury and preserve the quality of cactus stems (Opuntia ficus‐indica Mill.) cv Atlixco

Lizette L. Rodríguez‐Verástegui, Juliana Osorio‐Córdoba, Fernando Díaz de León‐Sánchez, Ana M. López‐Ramos, more

Journal of Food Biochemistry > 43 > 3 > n/a - n/a

Response surface methodology was applied in order to select the optimal thermal treatment (TT) and modified atmosphere packaging (MAP) needed to preserve minimally processed cactus stems, cv Atlixco. Accordingly, a 42 s/48°C TT together with a 10% CO₂ MAP were selected, and their effects evaluated during storage at 4°C. Controls lost more weight (3.8%) than TT (3.3%), MAP (1.4%), and TT‐MAP (1.3%)...

article

Preparation and Characterization of Graphene Oxide Aerogels: Exploring the Limits of Supercritical CO₂ Fabrication Methods

Alejandro Borrás, Gil Gonçalves, Gregorio Marbán, Stefania Sandoval, more

Chemistry – A European Journal > 24 > 59 > 15903 - 15911

The supercritical carbon dioxide (scCO₂) synthesis of non‐reduced graphene oxide (GO) aerogels from dispersions of GO in ethanol is here reported as a low‐cost, efficient, and environmentally friendly process. The preparation is carried out under the mild conditions of 333 K and 20 MPa. The high aspect ratio of the used GO sheets (ca. 30 μm lateral dimensions) allowed the preparation of aerogel monoliths...

article

Adequacy of usual macronutrient intake and macronutrient distribution in children and adolescents in Spain: A National Dietary Survey on the Child and Adolescent Population, ENALIA 2013–2014

Ana M. López-Sobaler, Aránzazu Aparicio, Josefa Rubio, Victoria Marcos, more

European Journal of Nutrition > 2019 > 58 > 2 > 705-719

Objectives To describe the nutritional profile and assess the National Dietary Survey on the Child and Adolescent Population project in Spain (ENALIA) regarding usual total energy and macronutrient intake. Methods A cross-sectional nationally representative sample of 1862 children and adolescents (age 6 months to 17) was surveyed between 2013 and 2014 following European methodology recommendations...

article

Retrofitting strategies for improving the energy and environmental efficiency in industrial furnaces: A case study in the aluminium sector

Patricia Royo, Víctor José Ferreira, Ana M. López-Sabirón, Tatiana García-Armingol, more

Renewable and Sustainable Energy Reviews > 2018 > 82 > P2 > 1813-1822

This study aims to analyse some of the most relevant issues that the energy intensive industry needs to face in order to improve its energy and environmental performance based on innovative retrofitting strategies. To this end, a case study based on the aluminium industry, as one of the most relevant within the European energy intensive industry has been thoroughly discussed. In particular, great...

article

η¹‐Arene Complexes as Intermediates in the Preparation of Molecular Phosphorescent Iridium(III) Complexes

Miguel A. Esteruelas, Daniel Gómez‐Bautista, Ana M. López, Enrique Oñate, more

Chemistry – A European Journal > 23 > 62 > 15729 - 15737

Molecular phosphorescent heteroleptic bis‐tridentate iridium(III) emitters have been prepared via η¹‐arene intermediates. In the presence of 4.0 mol of AgOTf, the complex [(IrCl{κ³‐N,C,N‐(pyC₆HMe₂py)})(μ‐Cl)]₂ (1; pyC₆H₂Me₂py=1,3‐di(2‐pyridyl)‐4,6‐dimethylbenzene) reacted with 9‐(6‐phenylpyridin‐2‐yl)‐9H‐carbazole (PhpyCzH) and 2‐phenoxy‐6‐phenylpyridine (PhpyOPh) to give [Ir{κ³‐N,C,N‐(pyC₆HMe₂py)}{κ...

article

A two-plasmid inducible CRISPR/Cas9 genome editing tool for Clostridium acetobutylicum

François Wasels, Jennifer Jean-Marie, Florent Collas, Ana M. López-Contreras, more

Journal of Microbiological Methods > 2017 > 140 > C > 5-11

CRISPR/Cas-based genetic engineering has revolutionised molecular biology in both eukaryotes and prokaryotes. Several tools dedicated to the genomic transformation of the Clostridium genus of Gram-positive bacteria have been described in the literature; however, the integration of large DNA fragments still remains relatively limited. In this study, a CRISPR/Cas9 genome editing tool using a two-plasmid...

article

Risk of Illness with Salmonella due to Consumption of Raw Unwashed Vegetables Irrigated with Water from the Bogotá River

Laura X. Henao‐Herreño, Ana M. López‐Tamayo, Juan P. Ramos‐Bonilla, Charles N. Haas, more

Risk Analysis > 37 > 4 > 733 - 743

The Bogotá River receives untreated wastewater from the city of Bogotá and many other towns. Downstream from Bogotá, water from the river is used for irrigation of crops. Concentrations of indicator organisms in the river are high, which is consistent with fecal contamination. To investigate the probability of illness due to exposure to enteric pathogens from the river, specifically Salmonella, we...

article

Supercritical CO2 for the synthesis of nanometric ZIF-8 and loading with hyperbranched aminopolymers. Applications in CO2 capture

Pedro López-Domínguez, Ana M. López-Periago, Francisco J. Fernández-Porras, Julio Fraile, more

Journal of CO 00002 Utilization > 2017 > 18 > C > 147-155

ZIF-8 nanometric particles are prepared via an environmentally friendly supercritical method aimed to minimize the environmental impact of current developed technologies for the synthesis of metal organic frameworks. In this synthetic process, CO₂ and ZIF-8 precursors are exclusively employed, avoiding the use of organic liquids, difficult to recover additives or large amounts of expensive ligand...

article

A process integration approach for the production of biological iso-propanol, butanol and ethanol using gas stripping and adsorption as recovery methods

Konstantinos A. Pyrgakis, Truus de Vrije, Miriam A.W. Budde, Kyriakos Kyriakou, more

Biochemical Engineering Journal > 2016 > 116 > C > 176-194

Biomass fermentation to Iso-propanol, Butanol and Ethanol (IBE) is particularly important as IBE is a common building block in the development of biorefineries and IBE-producing bacteria are robust industrial organisms, capable to utilize the sugars of the lignocellulosic biomass. Research is focused on increasing fermentation yields and the reduction of energy that is required to separate the volatile...

article

A randomized comparison of the Ambu AuraGain versus the LMA supreme in patients undergoing gynaecologic laparoscopic surgery

Ana M. Lopez, Merce Agusti, Pedro Gambus, Montserrat Pons, more

Journal of Clinical Monitoring and Computing > 2017 > 31 > 6 > 1255-1262

Second generation supraglottic airway devices providing high seal airway pressures are suitable for patients undergoing gynecologic laparoscopy. We compared the seal pressure achieved by the new Ambu AuraGain™ versus LMA Supreme™ following pneumoperitoneum in the Trendelenburg position. Sixty female patients were randomly allocated to ventilation with either the AuraGain or the Supreme. A target-controlled...

article

Aromatic Osmacyclopropenefuran Bicycles and Their Relevance for the Metal‐Mediated Hydration of Functionalized Allenes

María Batuecas, Ruth Castro‐Rodrigo, Miguel A. Esteruelas, Cristina García‐Yebra, more

Angewandte Chemie International Edition > 55 > 44 > 13749 - 13753

The aromatic osmacyclopropenefuran bicycles [OsTp{κ³‐C¹,C²,O‐(C¹H₂C²CHC(OEt)O)}(PⁱPr₃)]BF₄ (Tp=hydridotris(1‐pyrazolyl)borate) and [OsH{κ³‐C¹,C²,O‐(C¹H₂C²CHC(OEt)O)}(CO)(PⁱPr₃)₂]BF₄, with the metal fragment in a common vertex between the fused three‐ and five‐membered rings, have been prepared via the π‐allene intermediates [OsTp(η²‐CH₂=CCHCO₂Et)(OCMe₂)(PⁱPr₃)]BF₄ and [OsH(η²‐CH₂=CCHCO₂Et)(CO)(OH₂...

article

Aromatic Osmacyclopropenefuran Bicycles and Their Relevance for the Metal‐Mediated Hydration of Functionalized Allenes

María Batuecas, Ruth Castro‐Rodrigo, Miguel A. Esteruelas, Cristina García‐Yebra, more

Angewandte Chemie > 128 > 44 > 13953 - 13957

chapter

Mobile Computing with Near Field Communication (NFC) Smart Objects Applied to Archaeological Research

Ana M. Lopez, Gloria Fernandez, Francisco Burillo

2016 12th International Conference on Intelligent Environments (IE) > 88 - 94

2016 12th International Conference on Intelligent Environments (IE)

In this work, a mobile system designed to manage information at an excavation site is presented. A group of wireless devices connected to the telephone network, send the data collected by different users to a common database. At the same time, every archaeological finding is integrated into the information system when it is tagged with a NFC transponder that can communicate with the mobile devices...

article

Evaluation of the steel slag incorporation as coarse aggregate for road construction: technical requirements and environmental impact assessment

Victor J. Ferreira, Aitana Sáez-De-Guinoa Vilaplana, Tatiana García-Armingol, Alfonso Aranda-Usón, more

Journal of Cleaner Production > 2016 > 130 > C > 175-186

This work analyses the environmental impact of using electric arc furnace slags as secondary raw material in pavement and its comparison with the traditional materials used in road construction. Chemical and technical evaluations of the main characteristics of the black slags as coarse aggregate were carefully developed.The environmental analysis was carried out by using the Life Cycle Assessment...

article

Biorefinery of the green seaweed Ulva lactuca to produce animal feed, chemicals and biofuels

Paul Bikker, Marinus M. Krimpen, Piet Wikselaar, Bwee Houweling-Tan, more

Journal of Applied Phycology > 2016 > 28 > 6 > 3511-3525

The growing world population demands an increase in animal protein production. Seaweed may be a valuable source of protein for animal feed. However, a biorefinery approach aimed at cascading valorisation of both protein and non-protein seaweed constituents is required to realise an economically feasible value chain. In this study, such a biorefinery approach is presented for the green seaweed Ulva lactuca...

chapter

Neuroendocrine Correlates of Sleep in Premenstrual, Pregnant, Postpartum and Menopausal Depression

Charles J. Meliska, Eva L. Maurer, L. Fernando Martinez, Diane L. Sorenson, more

Neuroendocrine Correlates of Sleep/Wakefulness > Clinical Sciences > 391-411

To compare groups of normal control (NC) women with depressed patients (DP) diagnosed with Premenstrual Dysphoric Disorder (PMDD) or major depressive episode (MDE) during pregnancy, postpartum, peri- or postmenopause, with respect to neuroendocrine correlates of sleep architecture. We hypothesized that NC and DP would differ in the pattern of relationships between neuroendocrine and sleep measures...

article

Hybrid diagnosis to characterise the energy and environmental enhancement of photovoltaic modules using smart materials

Patricia Royo, Víctor J. Ferreira, Ana M. López-Sabirón, Germán Ferreira

Energy > 2016 > 101 > C > 174-189

Growing demands for energy, gradual depletion of fossil resources and high environmental impacts require that current energy production models be replaced by more sustainable technology. Thus, research efforts focused on improving energy efficiency and material efficiency are considered extremely relevant.In the following work, the influence of incorporating PCMs (phase change materials) on electricity...

chapter

Evolution of the Influence of Geography on the Location of Production in Spain (1930–2005)

Coro Chasco Yrigoyen, Ana M. López Garcı́a

Advances in Spatial Science > Progress in Spatial Analysis > Regional Applications > 407-440

In recent years, there has been a growing interest in the geographic aspects of development or the question of where economic activities take place. There is an extensive literature in urban economics, location theory and economic agglomeration. In fact, many economic activities are concentrated geographically and most people in advanced countries or regions live in densely populated metropolitan...

article

Hybrid aerogel preparations as drug delivery matrices for low water-solubility drugs

Peter Veres, Ana M. López-Periago, István Lázár, Javier Saurina, more

International Journal of Pharmaceutics > 2015 > 496 > 2 > 360-370

A comprehensive study of 14 hybrid aerogels of different composition with applications in drug delivery has been carried out. The overall objective was to modulate the release behavior of drug-impregnated aerogels, from an almost instantaneous release to a semi-retarded delivery prolonged during several hours, through internal surface functionalization. The designed hybrid aerogels were composed of...

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INFONA - science communication portal

Search results for: Ana M. López

Advances in interferometric techniques for the analysis of the three-dimensional flow in a lid-driven cylindrical cavity

Thermal treatment and modified atmosphere packaging delay chilling injury and preserve the quality of cactus stems (Opuntia ficus‐indica Mill.) cv Atlixco

Preparation and Characterization of Graphene Oxide Aerogels: Exploring the Limits of Supercritical CO₂ Fabrication Methods

Adequacy of usual macronutrient intake and macronutrient distribution in children and adolescents in Spain: A National Dietary Survey on the Child and Adolescent Population, ENALIA 2013–2014

Retrofitting strategies for improving the energy and environmental efficiency in industrial furnaces: A case study in the aluminium sector

η¹‐Arene Complexes as Intermediates in the Preparation of Molecular Phosphorescent Iridium(III) Complexes

A two-plasmid inducible CRISPR/Cas9 genome editing tool for Clostridium acetobutylicum

Risk of Illness with Salmonella due to Consumption of Raw Unwashed Vegetables Irrigated with Water from the Bogotá River

Supercritical CO2 for the synthesis of nanometric ZIF-8 and loading with hyperbranched aminopolymers. Applications in CO2 capture

A process integration approach for the production of biological iso-propanol, butanol and ethanol using gas stripping and adsorption as recovery methods

A randomized comparison of the Ambu AuraGain versus the LMA supreme in patients undergoing gynaecologic laparoscopic surgery

Aromatic Osmacyclopropenefuran Bicycles and Their Relevance for the Metal‐Mediated Hydration of Functionalized Allenes

Aromatic Osmacyclopropenefuran Bicycles and Their Relevance for the Metal‐Mediated Hydration of Functionalized Allenes

Mobile Computing with Near Field Communication (NFC) Smart Objects Applied to Archaeological Research

Evaluation of the steel slag incorporation as coarse aggregate for road construction: technical requirements and environmental impact assessment

Biorefinery of the green seaweed Ulva lactuca to produce animal feed, chemicals and biofuels

Neuroendocrine Correlates of Sleep in Premenstrual, Pregnant, Postpartum and Menopausal Depression

Hybrid diagnosis to characterise the energy and environmental enhancement of photovoltaic modules using smart materials

Evolution of the Influence of Geography on the Location of Production in Spain (1930–2005)

Hybrid aerogel preparations as drug delivery matrices for low water-solubility drugs

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