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Nanomaterials, Volume 12, Issue 7

April-1 2022 - 206 articles

Cover Story: We report the synthesis of a hybrid nanocatalyst obtained through the immobilization of a bioinspired [{Mn(bpy)(H2O)}(µ-2-MeC6H4COO)2(µ-O){Mn(bpy)(NO3)}]NO3 compound into functionalized, monodispersed, and mesoporous silica nanoparticles. The in situ dual-functionalization sol–gel strategy adopted here leads to the synthesis of raspberry-shaped silica nanoparticles of ca. 72 nm with a large open porosity, with the preferential localization of 1,4-pyridine within the pores, and with sulfobetaine zwitterion on the nanoparticles’ peripheries. These nano-objects exhibit improved catalase-mimicking activity in water thanks to the encapsulation/immobilization of the catalytic active complex and high colloidal stability in water, as demonstrated through the dismutation reaction of hydrogen peroxide. View this paper
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Articles (206)

  • Article
  • Open Access
2 Citations
2,693 Views
12 Pages

6 April 2022

We have investigated the influences of high-frequency vibration (HFV) superimposed onto the monotonic uniaxial tension in single-crystal aluminum (Al) specimens by molecular dynamics simulations. It was found that HFV induces softening, i.e., reducti...

  • Article
  • Open Access
25 Citations
2,803 Views
19 Pages

6 April 2022

Nanofluids have great potential due to their improved properties that make them useful for addressing various industrial and engineering problems. In order to use nanofluids on an industrial scale, it is first important to discuss their rheological b...

  • Article
  • Open Access
3 Citations
3,116 Views
15 Pages

Rashba Spin Splitting in HgCdTe Quantum Wells with Inverted and Normal Band Structures

  • Svetlana V. Gudina,
  • Vladimir N. Neverov,
  • Mikhail R. Popov,
  • Konstantin V. Turutkin,
  • Sergey M. Podgornykh,
  • Nina G. Shelushinina,
  • Mikhail V. Yakunin,
  • Nikolay N. Mikhailov and
  • Sergey A. Dvoretsky

6 April 2022

In quantum wells (QWs) formed in HgCdTe/CdHgTe heterosystems with a variable composition of Cd(Hg), Shubnikov-de-Haas (SdH) oscillations are investigated to characterize the Rashba-type spin-orbit coupling in QWs with both a normal and inverted band...

  • Article
  • Open Access
2 Citations
2,553 Views
11 Pages

6 April 2022

Molecular dynamics simulations of body-centered cubic (bcc) iron thin films with crack defects were carried out by adopting methods of EAM (Embedded Atom Method) potential, spin/exchange potential and spin/neel potential. In this article, the effects...

  • Article
  • Open Access
3 Citations
2,736 Views
13 Pages

FIB-DIC Residual Stress Evaluation in Shot Peened VT6 Alloy Validated by X-ray Diffraction and Laser Speckle Interferometry

  • Pavel A. Somov,
  • Eugene S. Statnik,
  • Yuliya Kan,
  • Vladimir S. Pisarev,
  • Svyatoslav I. Eleonsky,
  • Dmitry Yu. Ozherelkov and
  • Alexey I. Salimon

6 April 2022

Ga-ion micro-ring-core FIB-DIC evaluation of residual stresses in shot peened VT6 (Ti-6Al-4V) alloy was carried out and cross-validated against other non-destructive and semi-destructive residual stresses evaluation techniques, namely, the convention...

  • Feature Paper
  • Article
  • Open Access
3 Citations
2,646 Views
9 Pages

Constrained DFT for Molecular Junctions

  • Linda Angela Zotti,
  • Wynand Dednam,
  • Enrico B. Lombardi and
  • Juan Jose Palacios

6 April 2022

We have explored the use of constrained density functional theory (cDFT) for molecular junctions based on benzenediamine. By elongating the junction, we observe that the energy gap between the ionization potential and the electronic affinity increase...

  • Article
  • Open Access
7 Citations
4,535 Views
21 Pages

Development of a Bifunctional Ti-Based Gas Diffusion Electrode for ORR and OER by One- and Two-Step Pt-Ir Electrodeposition

  • Maximilian Cieluch,
  • Pit Yannick Podleschny,
  • Norbert Kazamer,
  • Florian Josef Wirkert,
  • Ulrich Wilhelm Rost and
  • Michael Brodmann

6 April 2022

The present paper presents one- and two-step approaches for electrochemical Pt and Ir deposition on a porous Ti-substrate to obtain a bifunctional oxygen electrode. Surface pre-treatment of the fiber-based Ti-substrate with oxalic acid provides an al...

  • Feature Paper
  • Article
  • Open Access
2 Citations
3,500 Views
11 Pages

Direct Epitaxial Growth of Polar Hf0.5Zr0.5O2 Films on Corundum

  • Eduardo Barriuso,
  • Panagiotis Koutsogiannis,
  • David Serrate,
  • Javier Herrero-Martín,
  • Ricardo Jiménez,
  • César Magén,
  • Miguel Algueró,
  • Pedro A. Algarabel and
  • José A. Pardo

6 April 2022

Single-phase epitaxial Hf0.5Zr0.5O2 films with non-centrosymmetric orthorhombic structure have been grown directly on electrode-free corundum (α-Al2O3) substrates by pulsed laser deposition. A combination of high-resolution X-ray diffraction an...

  • Review
  • Open Access
13 Citations
5,954 Views
29 Pages

Nanomaterial Exposure, Extracellular Vesicle Biogenesis and Adverse Cellular Outcomes: A Scoping Review

  • Thais S. M. Lima,
  • Wanderson Souza,
  • Luths R. O. Geaquinto,
  • Priscila L. Sanches,
  • Ewa. L. Stepień,
  • João Meneses,
  • Eli Fernández-de Gortari,
  • Nicole Meisner-Kober,
  • Martin Himly and
  • José M. Granjeiro
  • + 1 author

6 April 2022

The progressively increasing use of nanomaterials (NMs) has awakened issues related to nanosafety and its potential toxic effects on human health. Emerging studies suggest that NMs alter cell communication by reshaping and altering the secretion of e...

  • Article
  • Open Access
5 Citations
2,496 Views
13 Pages

Nano-Composite Filler of Heteropolyacid-Imidazole Modified Mesoporous Silica for High Temperature PEMFC at Low Humidity

  • Gicheon Lee,
  • Jinsol Kim,
  • Jungho Park,
  • Yukwon Jeon,
  • Jinwon Park and
  • Yong-Gun Shul

6 April 2022

Nano-composite filler has received attention for the application to high temperature and low humidity polymer electrolyte membrane (PEM) in fuel cell systems. Heteropolyacids (HPAs) are one of the most attractive materials because of their conductive...

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Nanomaterials - ISSN 2079-4991Creative Common CC BY license