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Nanomaterials, Volume 11, Issue 1

January 2021 - 254 articles

Cover Story: CO2 methanation has recently emerged as a process that converts captured CO2 and H2, produced from renewables, into CH4. Ni is currently being favoured as a catalytically active phase, but presents significant drawbacks, such as insufficient low‑temperature activity, low reducibility and nanoparticle sintering. Such problems can be partly overcome via the introduction of a second transition metal (e.g., Fe and Co) or a noble metal (e.g., Ru, Rh, Pt, Pd and Re) in Ni‑based catalysts. Through Ni–M alloy formation, or the intricate synergy between two adjacent metallic phases, new high-performing and low-cost methanation catalysts can be obtained. View this paper.
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Articles (254)

  • Article
  • Open Access
9 Citations
3,790 Views
18 Pages

Conformation of Polyethylene Glycol inside Confined Space: Simulation and Experimental Approaches

  • Tianji Ma,
  • Nicolas Arroyo,
  • Jean Marc Janot,
  • Fabien Picaud and
  • Sebastien Balme

19 January 2021

The modification of the inner nanopore wall by polymers is currently used to change the specific properties of the nanosystem. Among them, the polyethylene glycol (PEG) is the most used to prevent the fouling and ensure the wettability. However, its...

  • Article
  • Open Access
14 Citations
4,587 Views
16 Pages

In Vitro Interactions of TiO2 Nanoparticles with Earthworm Coelomocytes: Immunotoxicity Assessment

  • Natividad Isabel Navarro Pacheco,
  • Radka Roubalova,
  • Jaroslav Semerad,
  • Alena Grasserova,
  • Oldrich Benada,
  • Olga Kofronova,
  • Tomas Cajthaml,
  • Jiri Dvorak,
  • Martin Bilej and
  • Petra Prochazkova

19 January 2021

Titanium dioxide nanoparticles (TiO2 NPs) are manufactured worldwide. Once they arrive in the soil environment, they can endanger living organisms. Hence, monitoring and assessing the effects of these nanoparticles is required. We focus on the Eiseni...

  • Article
  • Open Access
29 Citations
7,885 Views
14 Pages

Magnetic and Electronic Properties of Weyl Semimetal Co2MnGa Thin Films

  • Peter Swekis,
  • Aleksandr S. Sukhanov,
  • Yi-Cheng Chen,
  • Andrei Gloskovskii,
  • Gerhard H. Fecher,
  • Ioannis Panagiotopoulos,
  • Jörg Sichelschmidt,
  • Victor Ukleev,
  • Anton Devishvili and
  • Alexei Vorobiev
  • + 4 authors

19 January 2021

Magnetic Weyl semimetals are newly discovered quantum materials with the potential for use in spintronic applications. Of particular interest is the cubic Heusler compound Co2MnGa due to its inherent magnetic and topological properties. This work pre...

  • Article
  • Open Access
24 Citations
3,896 Views
17 Pages

Assessment of the Influence of Crystalline Form on Cyto-Genotoxic and Inflammatory Effects Induced by TiO2 Nanoparticles on Human Bronchial and Alveolar Cells

  • Anna Maria Fresegna,
  • Cinzia Lucia Ursini,
  • Aureliano Ciervo,
  • Raffaele Maiello,
  • Stefano Casciardi,
  • Sergio Iavicoli and
  • Delia Cavallo

19 January 2021

Titanium dioxide nanoparticles (TiO2NPs) are increasingly used in consumer products, industrial and medical applications, raising concerns on their potential toxicity. The available in vitro and in vivo studies on these NPs show controversial results...

  • Article
  • Open Access
6 Citations
4,377 Views
11 Pages

TiO2 Nanowires with Doped g-C3N4 Nanoparticles for Enhanced H2 Production and Photodegradation of Pollutants

  • Liushan Jiang,
  • Fanshan Zeng,
  • Rong Zhong,
  • Yu Xie,
  • Jianli Wang,
  • Hao Ye,
  • Yun Ling,
  • Ruobin Guo,
  • Jinsheng Zhao and
  • Shiqian Li
  • + 1 author

19 January 2021

With the rapid consumption of fossil fuels, along with the ever-increasing environmental pollution, it is becoming a top priority to explore efficient photocatalysts for the production of renewable hydrogen and degradation of pollutants. Here, we fab...

  • Review
  • Open Access
84 Citations
11,556 Views
62 Pages

Electrochemical Sensors Based on Conducting Polymers for the Aqueous Detection of Biologically Relevant Molecules

  • Álvaro Terán-Alcocer,
  • Francisco Bravo-Plascencia,
  • Carlos Cevallos-Morillo and
  • Alex Palma-Cando

19 January 2021

Electrochemical sensors appear as low-cost, rapid, easy to use, and in situ devices for determination of diverse analytes in a liquid solution. In that context, conducting polymers are much-explored sensor building materials because of their semicond...

  • Feature Paper
  • Article
  • Open Access
37 Citations
6,787 Views
18 Pages

Synthesis of Nanoparticles by Spark Discharge as a Facile and Versatile Technique of Preparing Highly Conductive Pt Nano-Ink for Printed Electronics

  • Alexey A. Efimov,
  • Pavel V. Arsenov,
  • Vladislav I. Borisov,
  • Arseny I. Buchnev,
  • Anna A. Lizunova,
  • Denis V. Kornyushin,
  • Sergey S. Tikhonov,
  • Andrey G. Musaev,
  • Maxim N. Urazov and
  • Mikhail I. Shcherbakov
  • + 2 authors

18 January 2021

A cost-effective, scalable and versatile method of preparing nano-ink without hazardous chemical precursors is a prerequisite for widespread adoption of printed electronics. Precursor-free synthesis by spark discharge is promising for this purpose. T...

  • Article
  • Open Access
13 Citations
3,457 Views
17 Pages

Stabilization of Calcium Oxalate Precursors during the Pre- and Post-Nucleation Stages with Poly(acrylic acid)

  • Felipe Díaz-Soler,
  • Carlos Rodriguez-Navarro,
  • Encarnación Ruiz-Agudo and
  • Andrónico Neira-Carrillo

18 January 2021

In this work, calcium oxalate (CaOx) precursors were stabilized by poly(acrylic acid) (PAA) as an additive under in vitro crystallization assays involving the formation of pre-nucleation clusters of CaOx via a non-classical crystallization (NCC) path...

  • Article
  • Open Access
21 Citations
4,730 Views
22 Pages

Experimental and Theoretical Studies on Sustainable Synthesis of Gold Sol Displaying Dichroic Effect

  • Anshuman Jakhmola,
  • Raffaele Vecchione,
  • Valentina Onesto,
  • Francesco Gentile,
  • Maurizio Celentano and
  • Paolo Antonio Netti

18 January 2021

Gold nanoparticles depending on their shape and mixtures of multiple shapes can exhibit peculiar optical properties, including the dichroic effect typical of the Lycurgus cup, which has puzzled scientists for a long time. Such optical properties have...

  • Article
  • Open Access
12 Citations
4,080 Views
29 Pages

Investigations of Shape, Material and Excitation Wavelength Effects on Field Enhancement in SERS Advanced Tips

  • Yaakov Mandelbaum,
  • Raz Mottes,
  • Zeev Zalevsky,
  • David Zitoun and
  • Avi Karsenty

18 January 2021

This article, a part of the larger research project of Surface-Enhanced Raman Scattering (SERS), describes an advanced study focusing on the shapes and materials of Tip-Enhanced Raman Scattering (TERS) designated to serve as part of a novel imager de...

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Nanomaterials - ISSN 2079-4991