Results 31 to 40 of about 1,756,591 (308)

Glycerol as a cheap, safe and sustainable solvent for the catalytic and regioselective β,β-diarylation of acrylates over palladium nanoparticles [PDF]

open access: yes, 2010
Herein we show that glycerol can be considered as a promising cheap and green solvent for the regioselective β,β-diarylation of alkenes. Whereas this reaction is generally catalyzed under an inert atmosphere by expensive phosphine or carbene-palladium ...
Barrault, Joel   +7 more
core   +2 more sources

Green Extraction Methods for Extraction of Polyphenolic Compounds from Blueberry Pomace [PDF]

open access: yesFoods, 2020
In this study, green extraction methods—high voltage electrical discharges (HVED), pulsed electric field (PEF), and ultrasound-assisted extraction (UAE)—were compared in terms of extraction yield of total and individual polyphenolic compounds, as well as the antioxidant capacity of blueberry pomace extracts. All extractions were performed with methanol-
Ante Lončarić   +9 more
openaire   +4 more sources

Bulk Si production from Si–Fe melts under temperature gradients, part I: Growth and characterization

open access: yesJournal of Materials Research and Technology, 2020
Silicon growth from Si–Fe melts was investigated in view of producing high-quality Si using induced temperature gradients. Scanning electron microscopy coupled with energy-dispersive spectroscopy and micro-computed tomography analyses were used to ...
Yaqiong Li   +4 more
doaj   +1 more source

Effects of weight loss interventions for adults who are obese on mortality, cardiovascular disease and cancer : a systematic review and meta-analysis [PDF]

open access: yes, 2017
We thank Associate Professor Andrew Grey for helping to resolve discrepancies in data extraction and interpretation for cardiovascular events and cancer events.
Avenell, Alison   +8 more
core   +2 more sources

Downscaling of Industrial Turbo-Distillation to Laboratory Turbo-Clevenger for Extraction of Essential Oils. Application of Concepts of Green Analytical Chemistry

open access: yesMolecules, 2019
In the effort of innovation towards green analytical chemistry concepts and considering the six principles of green extraction, the industrial turbodistillation process was downscaled into a laboratory apparatus turbo-Clevenger (TC) for the extraction of
Sandrine Périno   +4 more
doaj   +1 more source

Vegetable Oils as Alternative Solvents for Green Oleo-Extraction, Purification and Formulation of Food and Natural Products

open access: yesMolecules, 2017
Since solvents of petroleum origin are now strictly regulated worldwide, there is a growing demand for using greener, bio-based and renewable solvents for extraction, purification and formulation of natural and food products.
Edinson Yara-Varón   +5 more
doaj   +1 more source

Partial and Total Solvent-Free Limonene’s Hydrogenation: Metals, Supports, Pressure, and Water Effects

open access: yesJournal of Chemistry, 2020
Bio-based solvents menthene and menthane were obtained through limonene’s partial and total hydrogenation under various catalytic conditions. Heterogeneous catalysts based on different active metals and supports (carbon, alumina, and silica) were ...
Fanta J. Ndongou Moutombi   +4 more
doaj   +1 more source

Green extraction of glycosides from Stevia rebaudiana (Bert.) with low solvent consumption: A desirability approach [PDF]

open access: yes, 2012
The sweet flavor of Stevia rebaudiana (Bert.) leaf extract is well known and has raised the interest of huge food companies due to its natural bid.
Yadav   +37 more
core   +5 more sources

Green Sonoextraction of Protein from Oleaginous Press Rapeseed Cake

open access: yesMolecules, 2017
In this study, extraction of soluble proteins from rapeseed cake using different conventional and innovative extraction processes in order to maximize the extraction yield has been investigated. Firstly, various extraction techniques including ultrasound,
Meryem Boukroufa   +7 more
doaj   +1 more source

Preliminary Survey of the Terrestrial Isopods (Isopoda), Millipedes (Diplopoda), Harvestmen (Opiliones), and Spiders (Araneae) of Toft Point Natural Area, Door County, Wisconsin [PDF]

open access: yes, 2018
Toft Point Natural Area is a National Natural Landmark owned and managed by the University of Wisconsin – Green Bay and located on the Lake Michigan shore of Wisconsin’s Door Peninsula.
Draney, Michael L   +3 more
core   +3 more sources

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