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Applied Nano, Volume 3, Issue 2

June 2022 - 3 articles

Cover Story: Metal nanoparticles (NPs), especially of Au and Ag, are widely used for plasmonic-based enhanced sensing. Time stability of plasmonic properties is an important issue for the practical application of NP matrixes. Compared to Au and Ag, Cu nanostructures are good candidates for providing intense plasmonic bands, while it is also a less expensive material. However, Cu NPs are prone to oxidation in ambient atmosphere that leads to fast degradation of plasmonic functionality. We propose the formation of Cu NP matrixes utilizing gas-phase aggregation ensuring monocrystalline particles with high purity improving chemical inertness. Additionally, a simple approach of UV-ozone treatment is shown to form a thin oxide shell protecting the metallic core against following possible reactions with environmental species and stabilizing the plasmonic properties for period over 150 days in ambient air. View this paper

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Article

2 Citations

4,103 Views

14 Pages

Empirical Studies on Effect of Low-Level Laser Treatment on Glioblastoma Multiforme in Combination with Ag-PMMA-PAA Nanoparticles: Paired Red Region Optical-Property Treatment Platform

Rohini Atluri,
Daniel Korir,
Tae-Youl Choi and
Denise Perry Simmons

Appl. Nano2022, 3(2), 112-125;https://doi.org/10.3390/applnano3020008

13 June 2022

Glioblastoma multiforme is an aggressive, invasive, fatal primary heterogenic brain tumor. New treatments have not significantly improved the dismal survival rate. Low-level laser therapy reports indicate different tumor cells respond distinctly to l...

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Feature Paper
Article

10 Citations

4,135 Views

10 Pages

Long-Term Plasmonic Stability of Copper Nanoparticles Produced by Gas-Phase Aggregation Method Followed by UV-Ozone Treatment

Francesco Zamboni,
Arūnė Makarevičiūtė and
Vladimir N. Popok

Appl. Nano2022, 3(2), 102-111;https://doi.org/10.3390/applnano3020007

3 May 2022

Coinage metal nanoparticles (NPs) are well-known for the phenomenon of localized surface plasmon resonance (LSPR), which is widely utilized for enhanced sensing and detection. LSPR stability over time is an important issue for the practical applicati...

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Feature Paper
Review

7 Citations

4,341 Views

11 Pages

Limits of Detection of Mycotoxins by Laminar Flow Strips: A Review

Xinyi Zhao,
Hugh J. Byrne,
Christine M. O’Connor,
James Curtin and
Furong Tian

Appl. Nano2022, 3(2), 91-101;https://doi.org/10.3390/applnano3020006

11 April 2022

Mycotoxins are secondary metabolic products of fungi. They are poisonous, carcinogenic, and mutagenic in nature and pose a serious health threat to both humans and animals, causing severe illnesses and even death. Rapid, simple and low-cost methods o...

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Appl. Nano - ISSN 2673-3501

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