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Nanomaterials
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Hybrid Plasmonic Nanostructures and Their Applications
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Hybrid Plasmonic Nanostructures and Their Applications

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanofabrication and Nanomanufacturing".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 19003

Special Issue Editor

Dr. Sergey M. Novikov

E-Mail Website
Guest Editor
Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
Interests: nano-optics; theranostics; surface-enhanced Raman spectroscopy (SERS); two-photon luminescence microscopy; plasmonics; bio-nanoplasmonics; biosensing; nanostructures; nanoparticles; 2D materials

Special Issue Information

Dear Colleagues,

This Special Issue is focused on the design, fabrication, and application of hybrid-plasmonic nanostructures, Controlled and reliable field enhancement effects related to the excitation of plasmons in resonant metal nanostructures constitute an essential prerequisite for the development of various sensing configurations. Although many plasmonic structures have been designed, there are challenges associated with reproducibility and sensitivity. One of the directions to improve the characteristics of the nanostructures is the development of so-called hybrid structures incorporating several types of materials (for instance: metal-dielectric, 2D materials, etc.) This will advance fundamental research and expand biomedical applications.

Dr. Sergey M. Novikov
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Plasmonics nanostructures and nanoparticles
  • Metal-dielectric nanostructures
  • Surface-enhanced Raman spectroscopy
  • Sensors
  • Biosensing
  • 2D materials
  • Hybrid nanostructures
  • Surface plasmon resonance

Published Papers (7 papers)

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Editorial

Jump to: Research, Review

2 pages, 162 KiB  
Editorial
Hybrid Plasmonic Nanostructures and Their Applications
by Sergey M. Novikov
Nanomaterials 2022, 12(23), 4293; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12234293 - 02 Dec 2022
Viewed by 1009
Abstract
The hybrid nanostructures, i [...] Full article
(This article belongs to the Special Issue Hybrid Plasmonic Nanostructures and Their Applications)

Research

Jump to: Editorial, Review

13 pages, 1635 KiB  
Article
Laser-Ablative Synthesis of Ultrapure Magneto-Plasmonic Core-Satellite Nanocomposites for Biomedical Applications
by Anton A. Popov, Zaneta Swiatkowska-Warkocka, Marta Marszalek, Gleb Tselikov, Ivan V. Zelepukin, Ahmed Al-Kattan, Sergey M. Deyev, Sergey M. Klimentov, Tatiana E. Itina and Andrei V. Kabashin
Nanomaterials 2022, 12(4), 649; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12040649 - 15 Feb 2022
Cited by 16 | Viewed by 2042
Abstract
The combination of magnetic and plasmonic properties at the nanoscale promises the development of novel synergetic image-guided therapy strategies for the treatment of cancer and other diseases, but the fabrication of non-contaminated magneto-plasmonic nanocomposites suitable for biological applications is difficult within traditional chemical [...] Read more.
The combination of magnetic and plasmonic properties at the nanoscale promises the development of novel synergetic image-guided therapy strategies for the treatment of cancer and other diseases, but the fabrication of non-contaminated magneto-plasmonic nanocomposites suitable for biological applications is difficult within traditional chemical methods. Here, we describe a methodology based on laser ablation from Fe target in the presence of preliminarily ablated water-dispersed Au nanoparticles (NPs) to synthesize ultrapure bare (ligand-free) core-satellite nanostructures, consisting of large (several tens of nm) Fe-based core decorated by small (mean size 7.5 nm) Au NPs. The presence of the Fe-based core conditions a relatively strong magnetic response of the nanostructures (magnetization of >12.6 emu/g), while the Au NPs-based satellite shell provides a broad extinction peak centered at 550 nm with a long tale in the near-infrared to overlap with the region of relative tissue transparency (650–950 nm). We also discuss possible mechanisms responsible for the formation of the magnetic-plasmonic nanocomposites. We finally demonstrate a protocol to enhance colloidal stability of the core-satellites in biological environment by their coating with different polymers. Exempt of toxic impurities and combining strong magnetic and plasmonic responses, the formed core-satellite nanocomposites can be used in biomedical applications, including photo- and magneto-induced therapies, magnetic resonance imaging or photoacoustic imaging. Full article
(This article belongs to the Special Issue Hybrid Plasmonic Nanostructures and Their Applications)
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14 pages, 3426 KiB  
Article
Hybrid Metal-Dielectric-Metal Sandwiches for SERS Applications
by Mikhail K. Tatmyshevskiy, Dmitry I. Yakubovsky, Olesya O. Kapitanova, Valentin R. Solovey, Andrey A. Vyshnevyy, Georgy A. Ermolaev, Yuri A. Klishin, Mikhail S. Mironov, Artem A. Voronov, Aleksey V. Arsenin, Valentyn S. Volkov and Sergey M. Novikov
Nanomaterials 2021, 11(12), 3205; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11123205 - 26 Nov 2021
Cited by 9 | Viewed by 2696
Abstract
The development of efficient plasmonic nanostructures with controlled and reproducible surface-enhanced Raman spectroscopy (SERS) signals is an important task for the evolution of ultrasensitive sensor-related methods. One of the methods to improving the characteristics of nanostructures is the development of hybrid structures that [...] Read more.
The development of efficient plasmonic nanostructures with controlled and reproducible surface-enhanced Raman spectroscopy (SERS) signals is an important task for the evolution of ultrasensitive sensor-related methods. One of the methods to improving the characteristics of nanostructures is the development of hybrid structures that include several types of materials. Here, we experimentally investigate ultrathin gold films (3–9 nm) near the percolation threshold on Si/Au/SiO2 and Si/Au/SiO2/graphene multilayer structures. The occurring field enhanced (FE) effects were characterized by a recording of SERS signal from Crystal Violet dye. In this geometry, the overall FE principally benefits from the combination of two mechanisms. The first one is associated with plasmon excitation in Au clusters located closest to each other. The second is due to the gap plasmons’ excitation in a thin dielectric layer between the mirror and corrugated gold layers. Experimentally obtained SERS signals from sandwiched structures fabricated with Au film of 100 nm as a reflector, dielectric SiO2 spacer of 50 nm and ultrathin gold atop could reach SERS enhancements of up to around seven times relative to gold films near the percolation threshold deposited on a standard glass substrate. The close contiguity of the analyte to graphene and nanostructured Au efficiently quenches the fluorescent background of the model compound. The obtained result shows that the strategy of combining ultrathin nano-island gold films near the percolation threshold with gap plasmon resonances is promising for the design of highly efficient SERS substrates for potential applications in ultrasensitive Raman detection. Full article
(This article belongs to the Special Issue Hybrid Plasmonic Nanostructures and Their Applications)
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13 pages, 26631 KiB  
Article
Live Cell Poration by Au Nanostars to Probe Intracellular Molecular Composition with SERS
by Evelina I. Nikelshparg, Ekaterina S. Prikhozhdenko, Roman A. Verkhovskii, Vsevolod S. Atkin, Vitaly A. Khanadeev, Boris N. Khlebtsov and Daniil N. Bratashov
Nanomaterials 2021, 11(10), 2588; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11102588 - 30 Sep 2021
Cited by 6 | Viewed by 1880
Abstract
A new type of flat substrate has been used to visualize structures inside living cells by surface-enhanced Raman scattering (SERS) and to study biochemical processes within cells. The SERS substrate is formed by stabilized aggregates of gold nanostars on a glass microscope slide [...] Read more.
A new type of flat substrate has been used to visualize structures inside living cells by surface-enhanced Raman scattering (SERS) and to study biochemical processes within cells. The SERS substrate is formed by stabilized aggregates of gold nanostars on a glass microscope slide coated with a layer of poly (4-vinyl pyridine) polymer. This type of SERS substrate provides good cell adhesion and viability. Au nanostars’ long tips can penetrate the cell membrane, allowing it to receive the SERS signal from biomolecules inside a living cell. The proposed nanostructured surfaces were tested to study, label-free, the distribution of various biomolecules in cell compartments. Full article
(This article belongs to the Special Issue Hybrid Plasmonic Nanostructures and Their Applications)
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17 pages, 5811 KiB  
Article
Air-Filled Bubbles Stabilized by Gold Nanoparticle/Photodynamic Dye Hybrid Structures for Theranostics
by Roman A. Barmin, Polina G. Rudakovskaya, Olga I. Gusliakova, Olga A. Sindeeva, Ekaterina S. Prikhozhdenko, Elizaveta A. Maksimova, Ekaterina N. Obukhova, Vasiliy S. Chernyshev, Boris N. Khlebtsov, Alexander A. Solovev, Gleb B. Sukhorukov and Dmitry A. Gorin
Nanomaterials 2021, 11(2), 415; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11020415 - 06 Feb 2021
Cited by 20 | Viewed by 3241
Abstract
Microbubbles have already reached clinical practice as ultrasound contrast agents for angiography. However, modification of the bubbles’ shell is needed to produce probes for ultrasound and multimodal (fluorescence/photoacoustic) imaging methods in combination with theranostics (diagnostics and therapeutics). In the present work, hybrid structures [...] Read more.
Microbubbles have already reached clinical practice as ultrasound contrast agents for angiography. However, modification of the bubbles’ shell is needed to produce probes for ultrasound and multimodal (fluorescence/photoacoustic) imaging methods in combination with theranostics (diagnostics and therapeutics). In the present work, hybrid structures based on microbubbles with an air core and a shell composed of bovine serum albumin, albumin-coated gold nanoparticles, and clinically available photodynamic dyes (zinc phthalocyanine, indocyanine green) were shown to achieve multimodal imaging for potential applications in photodynamic therapy. Microbubbles with an average size of 1.5 ± 0.3 μm and concentration up to 1.2 × 109 microbubbles/mL were obtained and characterized. The introduction of the dye into the system reduced the solution’s surface tension, leading to an increase in the concentration and stability of bubbles. The combination of gold nanoparticles and photodynamic dyes’ influence on the fluorescent signal and probes’ stability is described. The potential use of the obtained probes in biomedical applications was evaluated using fluorescence tomography, raster-scanning optoacoustic microscopy and ultrasound response measurements using a medical ultrasound device at the frequency of 33 MHz. The results demonstrate the impact of microbubbles’ stabilization using gold nanoparticle/photodynamic dye hybrid structures to achieve probe applications in theranostics. Full article
(This article belongs to the Special Issue Hybrid Plasmonic Nanostructures and Their Applications)
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14 pages, 3016 KiB  
Article
Design and Synthesis of Multi-Functional Superparamagnetic Core-Gold Shell Nanoparticles Coated with Chitosan and Folate for Targeted Antitumor Therapy
by Sharafaldin Al-Musawi, Salim Albukhaty, Hassan Al-Karagoly and Faizah Almalki
Nanomaterials 2021, 11(1), 32; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11010032 - 24 Dec 2020
Cited by 41 | Viewed by 3462
Abstract
A dual-targeting nanomedicine composed of pH-sensitive superparamagnetic iron oxide core-gold shell SPION@Au, chitosan (CS), and folate (FA) was developed as a doxorubicin (DOX) antitumor medication. Microemulsion was used for preparation and cross-linking conjugation. The characteristics of the designed nanocomposite were studied using atomic [...] Read more.
A dual-targeting nanomedicine composed of pH-sensitive superparamagnetic iron oxide core-gold shell SPION@Au, chitosan (CS), and folate (FA) was developed as a doxorubicin (DOX) antitumor medication. Microemulsion was used for preparation and cross-linking conjugation. The characteristics of the designed nanocomposite were studied using atomic force microscopy (AFM), transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction, UV-visible spectroscopy, Zeta potential and vibrating sample magnetometry (VSM), and Fourier transform infrared spectroscopy. The prepared SPION@Au-CS-DOX-FA nanoparticles (NPs) were spherical with an average diameter of 102.6 ± 7 nm and displayed an elevated drug loading behavior and sustained drug release capacity. The SPION@Au-CS-DOX-FA NPs revealed long term anti-cancer efficacy due to their cytotoxic effect and apoptotic inducing efficiency in SkBr3 cell lines. Additionally, Real-time PCR outcomes significantly showed an increase in BAK and BAX expression and a decrease in BCL-XL and BCL-2. In vivo results revealed that SPION@Au significantly decreased the tumor size in treated mice through magnetization. In conclusion, prepared SPION@Au-CS-DOX-FA could be a beneficial drug formulation for clinical breast cancer treatment. Full article
(This article belongs to the Special Issue Hybrid Plasmonic Nanostructures and Their Applications)
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Review

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23 pages, 3428 KiB  
Review
Modulated Luminescence of Lanthanide Materials by Local Surface Plasmon Resonance Effect
by Jinhua Liu, Qingru Wang, Xu Sang, Huimin Hu, Shuhong Li, Dong Zhang, Cailong Liu, Qinglin Wang, Bingyuan Zhang, Wenjun Wang and Feng Song
Nanomaterials 2021, 11(4), 1037; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11041037 - 19 Apr 2021
Cited by 19 | Viewed by 3804
Abstract
Lanthanide materials have great applications in optical communication, biological fluorescence imaging, laser, and so on, due to their narrow emission bandwidths, large Stokes’ shifts, long emission lifetimes, and excellent photo-stability. However, the photon absorption cross-section of lanthanide ions is generally small, and the [...] Read more.
Lanthanide materials have great applications in optical communication, biological fluorescence imaging, laser, and so on, due to their narrow emission bandwidths, large Stokes’ shifts, long emission lifetimes, and excellent photo-stability. However, the photon absorption cross-section of lanthanide ions is generally small, and the luminescence efficiency is relatively low. The effective improvement of the lanthanide-doped materials has been a challenge in the implementation of many applications. The local surface plasmon resonance (LSPR) effect of plasmonic nanoparticles (NPs) can improve the luminescence in different aspects: excitation enhancement induced by enhanced local field, emission enhancement induced by increased radiative decay, and quenching induced by increased non-radiative decay. In addition, plasmonic NPs can also regulate the energy transfer between two close lanthanide ions. In this review, the properties of the nanocomposite systems of lanthanide material and plasmonic NPs are presented, respectively. The mechanism of lanthanide materials regulated by plasmonic NPs and the scientific and technological discoveries of the luminescence technology are elaborated. Due to the large gap between the reported enhancement and the theoretical enhancement, some new strategies applied in lanthanide materials and related development in the plasmonic enhancing luminescence are presented. Full article
(This article belongs to the Special Issue Hybrid Plasmonic Nanostructures and Their Applications)
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