Results 31 to 40 of about 3,106,336 (388)

Heavy metal contamination in some soils of the McMurdo Sound region, Antarctica [PDF]

open access: yes, 1995
Soil samples from eight sites at Marble Point and Pram Point, McMurdo Sound region, contaminated by human activities were examined for heavy metal content, using sequential extraction methods.
Amin, Z.H.   +4 more
core   +2 more sources

Using Baryonic Charge Balance Functions to Resolve Questions about the Baryo-Chemistry of the QGP [PDF]

open access: yes, 2022
Baryon annihilations during the hadronic stage of heavy-ion collisions affects final-state baryon and antibaryon yields and final-state correlations of baryons and antibaryons. Understanding annihilation is important for addressing questions about the chemistry at the beginning of the hadronic stage, and for interpreting charge-balance correlations ...
arxiv   +1 more source

Fabric phase sorptive extraction: A paradigm shift approach in analytical and bioanalytical sample preparation [PDF]

open access: yes, 2021
Fabric phase sorptive extraction (FPSE) is an evolutionary sample preparation approach which was introduced in 2014, meeting all green analytical chemistry (GAC) requirements by implementing a natural or synthetic permeable and flexible fabric substrate ...
Kabir, Abuzar, Samanidou, Victoria
core   +2 more sources

Hydrous Manganese Oxide Doped Gel Probe Sampler for Measuring In Situ Reductive Dissolution Rates. 2. Field Deployment [PDF]

open access: yes, 2010
In situ rates of reductive dissolution in submerged shoreline sediments at Lake Tegel (Berlin, Germany) were measured with a novel hydrous manganese (Mn) oxide-doped gel probe sampler in concert with equilibrium gel probe and sequential extraction ...
Farnsworth, Claire E.   +3 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

Spectrum imaging of complex nanostructures using DualEELS: I. digital extraction replicas [PDF]

open access: yes, 2015
This paper shows how it is possible to use Dual Electron Energy Loss Spectroscopy (DualEELS) to digitally extract spectrum images for one phase of interest in a complex nanostructured specimen. The specific cases studied here concern Nb or V precipitates,
Bobynko, Joanna   +2 more
core   +1 more source

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

Glycerol as Alternative Co-Solvent for Water Extraction of Polyphenols from Carménère Pomace: Hot Pressurized Liquid Extraction and Computational Chemistry Calculations

open access: yesBiomolecules, 2020
Glycerol is a co-solvent for water extraction that has been shown to be highly effective for obtaining polyphenol extracts under atmospheric conditions. However, its efficacy under subcritical conditions has not yet been studied.
N. Huamán-Castilla   +3 more
semanticscholar   +1 more source

Solvent extraction: the coordination chemistry behind extractive metallurgy

open access: yesChem. Soc. Rev., 2014
AbstractReview: 49 refs.
Wilson, A Matthew   +5 more
openaire   +6 more sources

Connecting frontier research with industrial development : Lanthanide and Actinide Chemistry in the European f-Element Network (EUFEN) [PDF]

open access: yes, 2015
The chemistry of f-elements, even though often not known to the general public, forms part of many industrial processes, manufacturing and medical applications, such as medical imaging (e.g.
Baisch, Ulrich
core   +1 more source

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