Results 21 to 30 of about 765,969 (310)

Structural formation and leaching behavior of mechanically activated lignite fly ash based geopolymer

open access: yesJournal of Environmental Engineering and Landscape Management, 2016
Geopolymers are inorganic polymers which can be produced by the reaction of aluminium silicate oxides and alkaline silicates in an alkaline medium. Nowadays, silicate bearing wastes, such as fly ash or slag and other byproducts of power stations are very
Gábor Mucsi   +3 more
doaj   +1 more source

Functionalized geopolymers: A review [PDF]

open access: yesReciklaža i Održivi Razvoj, 2018
The geopolymer technology provides an alternative good solution for the utilization of industrial waste and the preservation of primary minerals to produce an economically valuable product that can be used for several purposes. This review summarizes the
Halyag Nóra, Mucsi Gábor
doaj  

Genesis type of ore deposits indicated by trace elements of chalcopyrite

open access: yes地质科技通报, 2023
Trace elements of metallic minerals are important to constrain the formation processes and genetic types of ore deposits. Trace elements have been mainly focused on pyrite, magnetite, and sphalerite but have rarely been applied to chalcopyrite. To reveal
Qilin Wang   +5 more
doaj   +1 more source

Mitochondrial fatty acid oxidation is stimulated by red light irradiation

open access: yesFEBS Letters, EarlyView.
Light at different wavelengths has distinct effects on keratinocyte viability and metabolism. UVA light abrogates metabolic fluxes. Blue and green light have no effect on metabolic fluxes, while red light enhanced oxidative phosphorylation by promoting fatty acid oxidation. Keratinocytes are the primary constituents of sunlight‐exposed epidermis.
Manuel Alejandro Herrera   +4 more
wiley   +1 more source

An intracellular transporter mitigates the CO2‐induced decline in iron content in Arabidopsis shoots

open access: yesFEBS Letters, EarlyView.
This study identifies a gene encoding a transmembrane protein, MIC, which contributes to the reduction of shoot Fe content observed in plants under elevated CO2. MIC is a putative Fe transporter localized to the Golgi and endosomal compartments. Its post‐translational regulation in roots may represent a potential target for improving plant nutrition ...
Timothy Mozzanino   +7 more
wiley   +1 more source

Sentinel-1 and Sentinel-2 data for predicting forest stand variables in GEE: A case study of timber plantations in northern Spain

open access: yesForest Systems
Aim of study: In this study we developed machine learning models for estimating five forest stand variables, including total over bark volume, number of trees per hectare, dominant height, basal area and aboveground biomass, from remote sensing data and
Iyán Teijido-Murias   +2 more
doaj   +1 more source

Mechanical alloying of iron-coated NbC and Si in stirred media mill [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2019
In the current research, the effect of mechanical alloying (MA) of iron-coated NbC and Si on the material’s fineness and crystal structure was investigated.
Al-Azzawi A.   +5 more
doaj   +1 more source

From Critical Raw Materials to Circular Raw Materials

open access: yesChemSusChem
AbstractThis perspective addresses the key challenge of advancing the use of Critical Raw Materials (CRMs) and proposes a transition towards circular raw material management. In the context of our current economy, the unsustainable consumption, environmental degradation, geopolitical risks, and economic vulnerabilities associated with CRMs highlight ...
Joost M. van Gaalen, J. Chris Slootweg
openaire   +3 more sources

A Cre‐dependent lentiviral vector for neuron subtype‐specific expression of large proteins

open access: yesFEBS Letters, EarlyView.
We designed a versatile and modular lentivector comprising a Cre‐dependent switch and self‐cleaving 2A peptide and tested it for co‐expression of GFP and a 2.8 kb gene of interest (GOI) in mouse cortical parvalbumin (PV+) interneurons and midbrain dopamine (TH+) neurons.
Weixuan Xue   +6 more
wiley   +1 more source

The IQ‐compete assay for measuring mitochondrial protein import efficiencies in living yeast cells

open access: yesFEBS Letters, EarlyView.
The efficiency of mitochondrial protein import depends on the properties of the newly synthesized precursor proteins. The Import and de‐Quenching Competition (IQ‐compete) assay is a novel method to monitor the import efficiency of different proteins by fluorescence in living yeast cells.
Yasmin Hoffman   +3 more
wiley   +1 more source

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