Results 41 to 50 of about 282,341 (240)

TO THE PROBLEM OF STABILITY/INSTABILITY OF BIMETALLIC STRUCTURES Co (CORE)/ Au (SHELL) AND Au (CORE)/ Co (SHELL): ATOMISTIC SIMULATION

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2019
In this work, we performed atomistic modeling of the behavior of Co (core) – Au (shell) and Au (core) – Co (shell) during thermal exposure in order to study the stability/instability problem for the above nanostructures using the tight binding potential ...
N.Yu. Sdobnyakov   +7 more
doaj   +1 more source

MOESM1 of Magnetic coreâ shell Carrageenan moss/Fe3O4: a polysaccharide-based metallic nanoparticles for synthesis of pyrimidinone derivatives via Biginelli reaction

open access: yes, 2018
Additional file 1: Figure S1. FT-IR Spectra of Fe3O4@CM. Figure S2. XRD analysis of Fe3O4@CM. Figure S3. SEM micrograph of Fe3O4@CM. Figure S4. TEM Micrograph of Fe3O4@CM. Figure S5. VSM analysis of Fe3O4 and Fe3O4@CM. Figure S6. EDX analysis of Fe3O4@CM. Figure S7. TGA-DTA analysis of Fe3O4@CM.
Mohammad Zaheri, Hossein   +4 more
openaire   +1 more source

Sequential Growth of Uniform β-NaYF4@β-NaLnF4 (Ln = Y, Lu, Yb) Microcrystals with Luminescent Properties of Multicolor Tuning and Dual-Mode Emission

open access: yesNanomaterials, 2017
We synthesized the uniform core-shell microstructured compounds with hexagonal phase NaYF4:Er/Yb microrods as the core and hexagonal phase NaLnF4 (NaYbF4, NaLuF4:Yb/Tm, NaYF4:Yb/Er, NaYF4:Eu) as the shell based on the hydrothermal reaction.
Dandan Ju   +8 more
doaj   +1 more source

Core–Shell Particles: From Fabrication Methods to Diverse Manipulation Techniques

open access: yesMicromachines, 2023
Core–shell particles are micro- or nanoparticles with solid, liquid, or gas cores encapsulated by protective solid shells. The unique composition of core and shell materials imparts smart properties on the particles.
Ajeet Singh Yadav   +6 more
doaj   +1 more source

Electronic Properties of Strained Si/Ge Core-Shell Nanowires

open access: yes, 2010
We investigated the electronic properties of strained Si/Ge core-shell nanowires along the [110] direction using first principles calculations based on density-functional theory. The diameter of the studied core-shell wire is up to 5 nm.
Ashcroft N. W.   +3 more
core   +1 more source

dUTPase is essential in zebrafish development and possesses several single‐nucleotide variants with pronounced structural and functional consequences

open access: yesFEBS Open Bio, EarlyView.
dUTPases are involved in balancing the appropriate nucleotide pools. We showed that dUTPase is essential for normal development in zebrafish. The different zebrafish genomes contain several single‐nucleotide variations (SNPs) of the dut gene. One of the dUTPase variants displayed drastically lower protein stability and catalytic efficiency as compared ...
Viktória Perey‐Simon   +6 more
wiley   +1 more source

C2α‐carbanion‐protonating glutamate discloses tradeoffs between substrate accommodation and reaction rate in actinobacterial 2‐hydroxyacyl‐CoA lyase

open access: yesFEBS Open Bio, EarlyView.
Enzymes of the 2‐hydroxyacyl‐CoA lyase group catalyze the condensation of formyl‐CoA with aldehydes or ketones. Thus, by structural adaptation of active sites, practically any pharmaceutically and industrially important 2‐hydroxyacid could be biotechnologically synthesized. Combining crystal structure analysis, active site mutations and kinetic assays,
Michael Zahn   +4 more
wiley   +1 more source

Core–Shell WS2@WTe2/MoTe2 Nanotubes

open access: yesSmall Structures
WTe2 and MoTe2 are materials with a layered structure (2D materials) belonging to the transition metal dichalcogenide family of compounds. Their topological 1T′ polytype has not been fabricated and studied in a 1D nanotubular structure, so far.
Vojtech Kundrat   +5 more
doaj   +1 more source

First Principles and Experimental Study on Photocatalytic Adsorption Property of SnO2@CuO Core-shell Structure

open access: yesMedžiagotyra
The structural stability, electronic properties and catalytic performance of SnO2 nanoclusters, CuO nanoclusters and SnO2@CuO core-shell structure were investigated by density functional theory.
Kangying LI   +3 more
doaj   +1 more source

The Shell Model, the Renormalization Group and the Two-Body Interaction

open access: yes, 2005
The no-core shell model and the effective interaction $V_{{\rm low} k}$ can both be derived using the Lee-Suzuki projection operator formalism. The main difference between the two is the choice of basis states that define the model space.
B. K Jennings   +7 more
core   +1 more source

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