Articles with "ultrasound microwave" as a keyword



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New Studies on the Galactomannan Extracted from Trigonella foenum-graecum (Fenugreek) Seed: Effect of Subsequent Use of Ultrasound and Microwave on the Physicochemical and Rheological Properties

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Published in 2020 at "Food and Bioprocess Technology"

DOI: 10.1007/s11947-020-02437-6

Abstract: The effect of subsequent use of ultrasound and microwave on the physicochemical and rheological properties of galactomannan extracted from fenugreek seed (locally called as Shanbalileh) was investigated. Maximum yield of 18.54% was gained at optimized… read more here.

Keywords: seed; ultrasound microwave; use ultrasound; effect subsequent ... See more keywords
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Ultrasound and Microwave assisted leaching of neodymium from waste magnet using organic solvent

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Published in 2019 at "Hydrometallurgy"

DOI: 10.1016/j.hydromet.2019.02.003

Abstract: Abstract Application of ultrasound and microwave assisted technology on the dissolution of neodymium (Nd) from waste magnet using organic reagent (s) was investigated. Amongst all the organic solvents, acetic acid appears to be effective while… read more here.

Keywords: waste; microwave assisted; ultrasound microwave; waste magnet ... See more keywords
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A rapid and cleaner chrome tanning technology based on ultrasound and microwave

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Published in 2020 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2019.119452

Abstract: Abstract At present, chrome tanning had irreplaceable advantages and was still the dominant tanning method in leather making, thus more and more attention should be paid to minimizing chrome-containing effluent discharging during tanning with some… read more here.

Keywords: ultrasound microwave; chrome tanning; chrome; cleaner chrome ... See more keywords
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Enhancement of water removing and the quality of fried purple-fleshed sweet potato in the vacuum frying by combined power ultrasound and microwave technology.

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Published in 2018 at "Ultrasonics sonochemistry"

DOI: 10.1016/j.ultsonch.2018.02.049

Abstract: The combination of ultrasound and microwave in vacuum frying system was investigated to achieve higher drying efficiency and quality attributes of fried products. Purple-fleshed potato were used as test specimen and different power levels of… read more here.

Keywords: vacuum frying; quality; ultrasound microwave; purple fleshed ... See more keywords
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Determination of Pyrethroids in Dendrobium officinale by Ultrasound/Microwave-Assisted Solid–Liquid–Solid Dispersive Extraction, Gas Chromatography, and Triple-Quadrupole Mass Spectrometry

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Published in 2017 at "Analytical Letters"

DOI: 10.1080/00032719.2016.1183672

Abstract: ABSTRACT An ultrasound/microwave-assisted solid–liquid–solid dispersive extraction method was developed for the determination of 16 pyrethroid insecticides in Dendrobium officinale. The extraction and purification were performed in one step. The pyrethroids were extracted with 8:2 acetone:hexane… read more here.

Keywords: extraction; ultrasound microwave; microwave assisted; liquid solid ... See more keywords
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Use of Mixture Design with Minimal Restrictions to Optimize an Extraction Procedure Employing Diluted Acids Assisted by Ultrasound and Microwave for Nutrient Element Determination in Vegetal Samples

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Published in 2017 at "Journal of the Brazilian Chemical Society"

DOI: 10.21577/0103-5053.20170214

Abstract: In this work, it was developed an alternative analytical strategy for the preparation of vegetal samples extracted with diluted acids and assisted by ultrasound and microwave radiation for the determination of nutrients elements by fast… read more here.

Keywords: ultrasound microwave; diluted acids; procedure; assisted ultrasound ... See more keywords
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Evaluation of Ultrasound, Microwave, Ultrasound–Microwave, Hydrothermal and High Pressure Assisted Extraction Technologies for the Recovery of Phytochemicals and Antioxidants from Brown Macroalgae

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Published in 2021 at "Marine Drugs"

DOI: 10.3390/md19060309

Abstract: This study aims to explore novel extraction technologies (ultrasound-assisted extraction (UAE), microwave-assisted extraction (MAE), ultrasound–microwave-assisted extraction (UMAE), hydrothermal-assisted extraction (HAE) and high-pressure-assisted extraction (HPAE)) and extraction time post-treatment (0 and 24 h) for the recovery… read more here.

Keywords: extraction; ultrasound microwave; pressure assisted; assisted extraction ... See more keywords
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Exploring the Synergistic Anticancer Potential of Benzofuran–Oxadiazoles and Triazoles: Improved Ultrasound- and Microwave-Assisted Synthesis, Molecular Docking, Hemolytic, Thrombolytic and Anticancer Evaluation of Furan-Based Molecules

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27031023

Abstract: Ultrasound- and microwave-assisted green synthetic strategies were applied to furnish benzofuran–oxadiazole 5a–g and benzofuran–triazole 7a–h derivatives in good to excellent yields (60–96%), in comparison with conventional methods (36–80% yield). These synthesized derivatives were screened for… read more here.

Keywords: microwave assisted; potential; benzofuran; anticancer ... See more keywords
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Ultrasound–Microwave Combined Extraction of Novel Polysaccharide Fractions from Lycium barbarum Leaves and Their In Vitro Hypoglycemic and Antioxidant Activities

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Published in 2023 at "Molecules"

DOI: 10.3390/molecules28093880

Abstract: Ultrasound–microwave combined extraction (UMCE), gradient ethanol precipitation, chemical characterization, and antioxidant and hypoglycemic activities of Lycium barbarum leaf polysaccharides (LLP) were systematically studied. The optimal conditions for UMCE of LLP achieved by response surface method… read more here.

Keywords: novel polysaccharide; polysaccharide fractions; lycium barbarum; combined extraction ... See more keywords