Results 31 to 40 of about 4,938,674 (199)

Cloud point extraction of phenol and benzyl alcohol from aqueous stream [PDF]

open access: yes, 2006
Two-aqueous phase extraction of phenol and benzyl alcohol as a solute from their aqueous solutions was investigated using polyethoxylated alcohols (CiEj) as a biodegradable non-ionic surfactant.
Canselier, Jean-Paul   +5 more
core   +1 more source

2-methyloxolane as alternative solvent for lipid extraction and its effect on the cactus (Opuntia ficus-indica L.) seed oil fractions☆

open access: yesOilseeds and fats, crops and lipids, 2020
The potential of 2-methyloxolane (2-MeO) as an alternative solvent to extract cactus seed oil was compared, in qualitative and quantitative terms, with that of n-hexane, a solvent commonly used for the extraction of edible or cosmetic oils.
Gharby Said   +5 more
doaj   +1 more source

Solid -liquid extraction of andrographolide from plants experimental study, kinetic reaction and model [PDF]

open access: yes, 2004
Solid - liquid extraction is performed from leaves and stems of Andrographis paniculata in ethanol - water solvent, in order to obtain andrographolide.
Damronglerd, Somsak   +8 more
core   +1 more source

Cellulosic materials as biopolymers and supercritical CO2as a green process: chemistry and applications [PDF]

open access: yes, 2012
In this review, we describe the use of supercritical CO2 (scCO2) in several cellulose applications. The focus is on different technologies that either exist or are expected to emerge in the near future.
Yaocihuatl Medina-Gonzalez   +5 more
core   +1 more source

Information extraction in the life sciences: Perspectives for medicinal chemistry, pharmacology and toxicology

open access: yes, 2022
S.785-796Information extraction approaches have been successfully applied to mine the scientific literature in biology and medicine. So far, the main focus of research and development in this domain was on the recognition and extraction of gene and ...
Zimmermann, M.   +5 more
core   +1 more source

TS-BTPhen as a Promising Hydrophilic Complexing Agent for Selective Am(III) Separation by Solvent Extraction [PDF]

open access: yes, 2015
The novel hydrophilic back-extraction agent TS-BTPhen (3,3’,3’’,3’’’-[3-(1,10-phenanthroline-2,9-diyl)-1,2,4-triazine-5,5,6,6-tetrayl]tetrabenzenesulfonic acid) was tested for its selectivity towards Am(III) over Cm(III) and Eu(III) with a TODGA (N,N,N ...
Kaufholz, P.   +22 more
core   +2 more sources

Higher Yield and Polyphenol Content in Olive Pomace Extracts Using 2-Methyloxolane as Bio-Based Solvent

open access: yesFoods, 2022
Despite its severe toxicity and negative environmental impact, hexane remain the solvent of choice for the extraction of vegetable oils. This is in contrast with the constantly growing demand for sustainable and green extraction processes.
Christian Cravotto   +9 more
doaj   +1 more source

Solvent extraction: the coordination chemistry behind extractive metallurgy

open access: yesChem. Soc. Rev., 2014
The modes of action of the commercial solvent extractants used in extractive hydrometallurgy are classified according to whether the recovery process involves the transport of metal cations, M(n+), metalate anions, MXx(n-), or metal salts, MXx into a water-immiscible solvent.
Wilson, A Matthew   +5 more
openaire   +4 more sources

Portable microwave assisted extraction: An original concept for green analytical chemistry

open access: yes, 2013
This paper describes a portable microwave assisted extraction apparatus (PMAE) for extraction of bioactive compounds especially essential oils and aromas directly in a crop or in a forest. The developed procedure, based on the concept of green analytical
Petitcolas, Emmanuel   +3 more
core   +2 more sources

Nanostructured Na2CaP2O7: A New and Efficient Catalyst for One-Pot Synthesis of 2-Amino-3-Cyanopyridine Derivatives and Evaluation of Their Antibacterial Activity

open access: yesApplied Sciences, 2022
A facile and novel synthesis of thirteen 2-amino-3-cyanopyridine derivatives 5(a–m) by a one-pot multicomponent reactions (MCRs) is described for the first time, starting from aromatic aldehydes, malononitrile, methyl ketones, or cyclohexanone and ...
Redouane Achagar   +9 more
doaj   +1 more source

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