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Nanomaterials, Volume 10, Issue 6

June 2020 - 237 articles

Porous gold nanoparticles (PGNs) are usually prepared in an immobilized form on a solid substrate, which is not practical in some applications. Now, Juhász et.al. report a simple method for the preparation and stabilization of mesoporous gold particles of a few hundred nanometers in size in aqueous suspension. First, Au–Ag bimetallic particles were fabricated on CaF2 substrate. Second, the particles were de-alloyed and detached in a single step by using nitric acid. The resulting suspended PGNs display a narrow dipole plasmon peak at 1450 nm in the NIR; thus, they are ideal candidates for biomedical applications, e.g., for photothermal therapy.
Cover Story: Porous gold nanoparticles (PGNs) are usually prepared in an immobilized form on a solid substrate, which is not practical in some applications. Now, Juhász et.al. report a simple method for the preparation and stabilization of mesoporous gold particles of a few hundred nanometers in size in aqueous suspension. First, Au–Ag bimetallic particles were fabricated on CaF2 substrate. Second, the particles were de-alloyed and detached in a single step by using nitric acid. The resulting suspended PGNs display a narrow dipole plasmon peak at 1450 nm in the NIR; thus, they are ideal candidates for biomedical applications, e.g., for photothermal therapy. View this paper
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Articles (237)

  • Article
  • Open Access
2 Citations
2,662 Views
16 Pages

25 June 2020

Nowadays, the use of sulfur-based ligands to modify gold-based materials has become a common trend. Here, we present a theoretical exploration of the modulation of the chalcogenides-gold interaction strength, using sulfur, selenium, and tellurium as...

  • Article
  • Open Access
15 Citations
4,091 Views
13 Pages

25 June 2020

Osteoarthritis (OA) is a prevalent joint disease linked to the irreversible degradation of key extracellular cartilage matrix (ECM) components (proteoglycans, type-II collagen) by proteolytic enzymes due to an impaired tissue homeostasis, with the cr...

  • Article
  • Open Access
4 Citations
3,814 Views
12 Pages

Phonon Bridge Effect in Superlattices of Thermoelectric TiNiSn/HfNiSn With Controlled Interface Intermixing

  • Sven Heinz,
  • Emigdio Chavez Angel,
  • Maximilian Trapp,
  • Hans-Joachim Kleebe and
  • Gerhard Jakob

25 June 2020

The implementation of thermal barriers in thermoelectric materials improves their power conversion rates effectively. For this purpose, material boundaries are utilized and manipulated to affect phonon transmissivity. Specifically, interface intermix...

  • Review
  • Open Access
171 Citations
16,916 Views
29 Pages

Nanoparticle-Based Therapeutic Approach for Diabetic Wound Healing

  • Hariharan Ezhilarasu,
  • Dinesh Vishalli,
  • S. Thameem Dheen,
  • Boon-Huat Bay and
  • Dinesh Kumar Srinivasan

25 June 2020

Diabetes mellitus (DM) is a common endocrine disease characterized by a state of hyperglycemia (higher level of glucose in the blood than usual). DM and its complications can lead to diabetic foot ulcer (DFU). DFU is associated with impaired wound he...

  • Review
  • Open Access
16 Citations
6,487 Views
40 Pages

Emergence of Impurity-Doped Nanocrystal Light-Emitting Diodes

  • Dongxiang Luo,
  • Lin Wang,
  • Ying Qiu,
  • Runda Huang and
  • Baiquan Liu

24 June 2020

In recent years, impurity-doped nanocrystal light-emitting diodes (LEDs) have aroused both academic and industrial interest since they are highly promising to satisfy the increasing demand of display, lighting, and signaling technologies. Compared wi...

  • Article
  • Open Access
19 Citations
5,603 Views
17 Pages

Congo Red Decolorization Using Textile Filters and Laccase-Based Nanocomposites in Continuous Flow Bioreactors

  • Natalia Lopez-Barbosa,
  • Sergio Leonardo Florez,
  • Juan C. Cruz,
  • Nancy Ornelas-Soto and
  • Johann F. Osma

24 June 2020

Removal of azo and diazo dye content from textile industry wastewaters is crucial due to their environmental impact. Here, we report on the use of the fungal laccase from Pycnoporus sanguineus CS43 immobilized on silica nanoparticles and entrapped in...

  • Article
  • Open Access
20 Citations
3,863 Views
13 Pages

Organic Functionalized Graphene Oxide Behavior in Water

  • Changwoo Kim,
  • Junseok Lee,
  • Will Wang and
  • John Fortner

24 June 2020

Surface modified graphene oxide (GO) has received broad interest as a potential platform material for sensors, membranes, and sorbents, among other environmental applications. However, compared to parent (unmodified) GO, there is a dearth of informat...

  • Review
  • Open Access
34 Citations
8,306 Views
22 Pages

Translating Scientific Advances in the AOP Framework to Decision Making for Nanomaterials

  • James D. Ede,
  • Vladimir Lobaskin,
  • Ulla Vogel,
  • Iseult Lynch,
  • Sabina Halappanavar,
  • Shareen H. Doak,
  • Megan G. Roberts and
  • Jo Anne Shatkin

24 June 2020

Much of the current innovation in advanced materials is occurring at the nanoscale, specifically in manufactured nanomaterials (MNs). MNs display unique attributes and behaviors, and may be biologically and physically unique, making them valuable acr...

  • Review
  • Open Access
56 Citations
6,419 Views
30 Pages

24 June 2020

Medical device-associated infections are becoming a leading cause of morbidity and mortality worldwide, prompting researchers to find new, more effective ways to control the bacterial colonisation of surfaces and biofilm development. Bacteria in biof...

  • Review
  • Open Access
20 Citations
5,619 Views
15 Pages

Self-Assembly of Magnetic Nanoparticles in Ferrofluids on Different Templates Investigated by Neutron Reflectometry

  • Katharina Theis-Bröhl,
  • Apurve Saini,
  • Max Wolff,
  • Joseph A. Dura,
  • Brian B. Maranville and
  • Julie A. Borchers

24 June 2020

In this article we review the process by which magnetite nanoparticles self-assemble onto solid surfaces. The focus is on neutron reflectometry studies providing information on the density and magnetization depth profiles of buried interfaces. Specif...

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Nanomaterials - ISSN 2079-4991