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74 risultati trovati.

Tipi di risorsa: Libro cartaceo Libro elettronico Articolo Rivista Tesi Capitolo
Ricerca accademica
Optimization of the extraction of antioxidants and caffeine from maté (Ilex paraguariensis) leaves by response surface methodology
Articolo
Articolo
Optimization of the extraction of antioxidants and caffeine from maté (Ilex paraguariensis) leaves by response surface methodology
Hartwig, Vanessa Graciela et al · ISEKI · 2013 · ISSN 2182-1054
Optimal conditions for the industrial extraction of total polyphenols from maté (Ilex paraguarien- sis) were determined using response surface methodology, with two independent variables: ethanol percentage of the extra...
Idioma Inglés
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.Disponible en 2 proveedores
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Extraction of bioactive compounds from pecan nutshell: An added-value and low-cost alternative for an industrial waste
Articolo
Articolo
Extraction of bioactive compounds from pecan nutshell: An added-value and low-cost alternative for an industrial waste
Cardona Jimenez, Miguel Esteban et al · Elsevier · 2024 · ISSN 0308-8146
The pecan nutshell [Carya illinoinensis (Wangenh) C. Koch] (PNS) is a source of bioactives with important beneficial properties for the human health. PNS represents between 40–50 % of total mass of the nut, resulting ...
Idioma Inglés
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Enhanced extraction of phenolic compounds from mango by-products using deep eutectic solvents
Articolo
Articolo
Enhanced extraction of phenolic compounds from mango by-products using deep eutectic solvents
Ojeda, Gonzalo Adrian et al · Elsevier · 2023 · ISSN 2405-8440
Deep eutectic solvents (DESs) potential for the extraction of polyphenolic compounds (PC) from mango by-products (peel and seed) was evaluated. Ultrasound (US) and agitation were applied to evaluate the effects of solven...
Idioma Inglés
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Green solvents for the recovery of phenolic compounds from strawberry (Fragaria x ananassa Duch) and apple (Malus domestica) agro-industrial bio-wastes
Articolo
Articolo
Green solvents for the recovery of phenolic compounds from strawberry (Fragaria x ananassa Duch) and apple (Malus domestica) agro-industrial bio-wastes
Esteban Villamil-Galindo et al · Facultad de Ciencias Agrarias. Universidad Nacional de Cuyo · 2024 · ISSN 0370-4661
We aimed to study the obtention of valuable phenolic compounds from tissue by-products of agro-industrial processing of apple (GS) and strawberry (RF) using green solvents and Soxhlet extraction methodology. The effects ...
LCC LCC:Agriculture; TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~Idioma Inglés
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Methodology for classification of geographical features with remote sensing images: Application to tidal flats
Articolo
Articolo
Methodology for classification of geographical features with remote sensing images: Application to tidal flats
Revollo Sarmiento, Gisela Noelia et al · Elsevier Science · 2016 · ISSN 0169-555X
Tidal flats generally exhibit ponds of diverse size, shape, orientation and origin. Studying the genesis, evolution, stability and erosive mechanisms of these geographic features is critical to understand the dynamics of...
Idioma Inglés
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Optimization of Antioxidant Extraction from Mutisia friesiana, Native Plant of the Quebrada and Puna Regions of Argentina
Articolo
Articolo
Optimization of Antioxidant Extraction from Mutisia friesiana, Native Plant of the Quebrada and Puna Regions of Argentina
Mónica Daniela Godoy et al · Facultad de Ciencias Agrarias. Universidad Nacional de Cuyo · 2026 · ISSN 0370-4661
The study determined the optimal conditions for extracting antioxidant phenols from Mutisia friesiana (Asteraceae) using ultrasound-assisted extraction. We evaluated extraction time, ethanol concentration, and solid/solv...
LCC LCC:Agriculture; TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~Idioma Inglés
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Artificial intelligence driven context-aware biomedical information extraction model for multi-class disease condition classification using NLP with GPT-3
Articolo
Articolo
Artificial intelligence driven context-aware biomedical information extraction model for multi-class disease condition classification using NLP with GPT-3
Sahar Mansour et al · Springer · 2026 · ISSN 1319-1578
Abstract Precise extraction of medical phenotypes and entities from electronic health record (EHR) text is vital for numerous clinical research tasks, including cohort classification, tracking temporal patterns in diseas...
LCC LCC:Electronic computers. Computer scienceIdioma Inglés
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Neuro-Symbolic Causal Chain Extraction from Industrial Maintenance Narratives with Hard Constraint Enforcement
Articolo
Articolo
Neuro-Symbolic Causal Chain Extraction from Industrial Maintenance Narratives with Hard Constraint Enforcement
Viquar Younus Mohammed · LibraryPress@UF · 2026 · ISSN 2334-0754
Extracting multi-hop causal chains from industrial maintenance narratives is essential for root cause analysis and predictive maintenance, yet existing information extraction methods struggle with long-range dependencies...
LCC TENDOlRlY2hub2xvZ3k~; LCC:Electronic computers. Computer scienceIdioma Inglés
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Optimization of critical parameters during antioxidants extraction from butterhead lettuce to simultaneously enhance polyphenols and antioxidant activity
Articolo
Articolo
Optimization of critical parameters during antioxidants extraction from butterhead lettuce to simultaneously enhance polyphenols and antioxidant activity
Viacava, Gabriela Elena et al · Elsevier Science · 2015 · ISSN 0169-7439
The present work was undertaken to optimize critical parameters (ethanol concentration, time and temperature) for antioxidant extraction from lettuce leaves, measured through DPPH radical scavenging activity (DRSA) and t...
Idioma Inglés
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PANI/PTA/Fe3O4 Nanocomposite Coated on Stainless‐Steel Towards Efficient Solid‐Phase Microextraction of Tetracycline From Human Urine Samples Prior to HPLC–DAD Analysis
Articolo
Articolo
PANI/PTA/Fe3O4 Nanocomposite Coated on Stainless‐Steel Towards Efficient Solid‐Phase Microextraction of Tetracycline From Human Urine Samples Prior to HPLC–DAD Analysis
Sanaz Naghinejad Orang et al · Wiley-VCH · 2026 · ISSN 2628-5452
ABSTRACT Tetracycline (TC) is a commonly prescribed broad‐spectrum antibiotic, and its widespread use together with its persistence in biological matrices, particularly urine, has raised serious concerns related to cli...
LCC LCC:Science (General); LCC:Analytical chemistryIdioma Inglés
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Solvent-based de-emulsification dispersive liquid-liquid microextraction coupled with UPLC-MS/MS for the fast determination of ultratrace levels of nitrated and oxygenated polycyclic aromatic hydrocarbons in environmental samples
Articolo
Articolo
Solvent-based de-emulsification dispersive liquid-liquid microextraction coupled with UPLC-MS/MS for the fast determination of ultratrace levels of nitrated and oxygenated polycyclic aromatic hydrocarbons in environmental samples
Guiñez, María Evangelina et al · Royal Society of Chemistry · 2018 · ISSN 1759-9660
In this study, a new solvent-based de-emulsification dispersive liquid-liquid microextraction strategy followed by liquid chromatography-atmospheric pressure chemical ionization-tandem mass spectrometry has been develope...
Idioma Inglés
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Valorization of mulberry (Rubus glaucus) by-products: ultrasound-assisted extraction of total anthocyanins
Articolo
Articolo
Valorization of mulberry (Rubus glaucus) by-products: ultrasound-assisted extraction of total anthocyanins
Luis Eduardo Ordóñez-Santos et al · Facultad de Ciencias Agrarias. Universidad Nacional de Cuyo · 2019 · ISSN 0370-4661
In this study, the objective was to establish parameters of optimization of the factors such as solvent concentration, extraction time and liquid-to-solid ratio in ultrasound-assisted extraction (UAE) of total anthocyani...
LCC LCC:Agriculture; TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~Idioma Inglés
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Dithizone functionalized carbon nanofibers as novel nanomaterial for microextraction and determination of mercury in non-alcoholic beverages
Articolo
Articolo
Dithizone functionalized carbon nanofibers as novel nanomaterial for microextraction and determination of mercury in non-alcoholic beverages
Carrizo, Brian Gabriel et al · Elsevier Science · 2024 · ISSN 0026-265X
In this work, a new nanomaterial obtained by surface functionalization of carbon nanofibers with dithizone (CNF@DTZ) was implemented as adsorbent in the dispersive micro-solid phase extraction technique. Preconcentration...
Idioma Inglés
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Features Extraction for Classification in Switching Devices using Fiber Bragg Grating
Articolo
Articolo
Features Extraction for Classification in Switching Devices using Fiber Bragg Grating
Daniel Benetti et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2023 · ISSN 2179-1074
Abstract Vibration analysis systems are used to assess the operational condition of machines and electromechanical components in various applications. This work presents a measurement and feature extraction system that a...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma Inglés
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Psychometric properties of health-related quality of life assessment instruments in idiopathic pulmonary fibrosis: a systematic review applying COSMIN methodology
Articolo
Articolo
Psychometric properties of health-related quality of life assessment instruments in idiopathic pulmonary fibrosis: a systematic review applying COSMIN methodology
Kailin Su et al · BMC · 2026 · ISSN 1477-7525
Abstract Background Idiopathic pulmonary fibrosis (IPF) is associated with heavy symptom burden, limited treatment options, poor prognosis, and significant economic burden, and severely impairs health-related quality of ...
LCC TENDOkNvbXB1dGVyIGFwcGxpY2F0aW9ucyB0byBtZWRpY2luZS4gTWVkaWNhbCBpbmZvcm1hdGljcw~~Idioma Inglés
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Selective determination of Cr (VI) by on-line solid phase extraction FI-SPE-FAAS using an ion exchanger resin as sorbent: an improvement treatment of the analytical signal
Articolo
Articolo
Selective determination of Cr (VI) by on-line solid phase extraction FI-SPE-FAAS using an ion exchanger resin as sorbent: an improvement treatment of the analytical signal
Rossi, Ezequiel et al · RI ITBA · 2019 · ISSN 0026-265X
"A flow injection (FI) technique based on an on-line solid phase extraction (SPE) coupled with flame atomic absorption spectroscopy (FAAS) to selectively quantify chromium (VI) in the presence of chromium (III) was devel...
Idioma Inglés
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Optimization of Gelatin Extracting Condition from Korean Native Black Goat Skin and Quality Comparison with Commercial Gelatin
Articolo
Articolo
Optimization of Gelatin Extracting Condition from Korean Native Black Goat Skin and Quality Comparison with Commercial Gelatin
Youn-Kyung Ham et al · Springer Nature · 2023 · ISSN 2636-0772
Abstract The practical use of Korean native black goat skin as a source of gelatin extraction is limited. The objective of this study was to optimize the extraction temperature and time of gelatin from Korean native blac...
LCC TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~; LCC:Animal cultureIdioma Inglés
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Feasibility Study of the GST-SVD in Extracting the Fault Feature of Rolling Bearing under Variable Conditions
Articolo
Articolo
Feasibility Study of the GST-SVD in Extracting the Fault Feature of Rolling Bearing under Variable Conditions
Xiangnan Liu et al · KeAi Communications Co., Ltd · 2022 · ISSN 1000-9345
Abstract Feature information extraction is one of the key steps in prognostics and health management of rotating machinery. In the present study, an investigation about the feasibility of a methodology based on generaliz...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma Inglés
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Obtaining a lipid extract from peach palm (Bactris gasipaes Kunth) epicarp. Quantification of carotenoid content and application as a food additive
Articolo
Articolo
Obtaining a lipid extract from peach palm (Bactris gasipaes Kunth) epicarp. Quantification of carotenoid content and application as a food additive
Jader Martínez-Girón et al · Facultad de Ciencias Agrarias. Universidad Nacional de Cuyo · 2025 · ISSN 0370-4661
The agro-industrial assessment of fruit by-products as food additives would allow compliance with Sustainable Development Goals. This research aimed at the homogenizer-assisted extraction of total carotenoids from peach ...
LCC LCC:Agriculture; TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~Idioma Inglés
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A feasible method to extract DNA from the cambium of high-canopy trees: from harvest to assessment
Articolo
Articolo
A feasible method to extract DNA from the cambium of high-canopy trees: from harvest to assessment
Érica MANGARAVITE et al · Instituto Nacional de Pesquisas da Amazônia · ISSN 0044-5967
ABSTRACT Many tropical trees have high canopies and their leaves are not accessible. Thus, the use of tissue from a more accessible organ (cambium) for DNA extraction may be an alternative for molecular studies. We adapt...
LCC LCC:Science (General)Idioma Inglés
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Accommodation‐based interventions for individuals experiencing, or at risk of experiencing, homelessness
Articolo
Articolo
Accommodation‐based interventions for individuals experiencing, or at risk of experiencing, homelessness
Ciara Keenan et al · SAGE Publishing · 2021 · ISSN 1891-1803
Abstract Background Globally, almost 1.6 billion individuals lack adequate housing. Many accommodation‐based approaches have evolved across the globe to incorporate additional support and services beyond delivery of ho...
LCC TENDOlNvY2lhbCBTY2llbmNlcw~~Idioma Inglés
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Adaptive multi-scale YOLO framework with context-aware attention for robust ship detection in SAR imagery
Articolo
Articolo
Adaptive multi-scale YOLO framework with context-aware attention for robust ship detection in SAR imagery
Rathinam Anitha et al · EDP Sciences · 2026 · ISSN 2100-014X
Synthetic Aperture Radar (SAR) is one of the primary sensing models and is broadly used in numerous remote sensing applications including environmental monitoring, maritime monitoring, and climate change research. Unfort...
LCC TENDOlBoeXNpY3M~Idioma Inglés
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Advocacy Interventions to Reduce or Eliminate Violence and Promote the Physical and Psychosocial Well‐Being of Women who Experience Intimate Partner Abuse: A Systematic Review
Articolo
Articolo
Advocacy Interventions to Reduce or Eliminate Violence and Promote the Physical and Psychosocial Well‐Being of Women who Experience Intimate Partner Abuse: A Systematic Review
Carol Rivas et al · SAGE Publishing · 2016 · ISSN 1891-1803
This Campbell systematic review assesses the effects of advocacy interventions on intimate partner violence and women's wellbeing. The review summarizes findings from 13 studies. Physical abuse: After one year, brief adv...
LCC TENDOlNvY2lhbCBTY2llbmNlcw~~Idioma Inglés
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An Empirical Evaluation of Machine Learning Methods and Text Classifiers for Sentiment Analysis of Online Consumer Reviews
Articolo
Articolo
An Empirical Evaluation of Machine Learning Methods and Text Classifiers for Sentiment Analysis of Online Consumer Reviews
Pei Qin Lo et al · MMU Press · 2026 · ISSN 2821-370X
This study aims to identify the best predictive model for analysing online product reviews (OPRs) in the electronics industry, with a secondary focus on leveraging unstructured customer feedback to support product improv...
LCC LCC:Electronic computers. Computer science; TENDOkluZm9ybWF0aW9uIHRlY2hub2xvZ3k~Idioma Inglés
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