Alexey M. Yashchenok

Skolkovo Institute of Science and Technology

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Dmitry A. Gorin

Skolkovo Institute of Science and Technology

André G. Skirtach

Ghent University

Helmuth Möhwald

Max Planck Institute of Colloids and Interfaces

Bogdan V. Parakhonskiy

Ghent University

Gleb B. Sukhorukov

Queen Mary University of London

Vasiliy S. Chernyshev

National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I.Kulakov of the Ministry of Healthcare of the Russian Federation

Ekaterina S. Prikhozhdenko

Saratov State University

Daniil N. Bratashov

Saratov State University

Mihaela Delcea

Universität Greifswald

Admir Mašić

Massachusetts Institute of Technology

Cooperative Institutions

Saratov State University

Skolkovo Institute of Science and Technology

Russian Academy of Sciences

Max Planck Institute of Colloids and Interfaces

Lomonosov Moscow State University

Max Planck Society

Saratov Research Center

Ghent University

Saratov State Medical University

Queen Mary University of London

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Size controlled hydroxyapatite and calcium carbonate particles: Synthesis and their application as templates for SERS platform

Colloids and Surfaces B Biointerfaces (2014)

Bogdan V. Parakhonskiy Yulia I. Svenskaya Alexey M. Yashchenok Hani Fattah O. A. Inozemtseva

Template

Particle (ecology)

Rhodamine

10.1016/j.colsurfb.2014.03.053

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Citations (50)

Impact of magnetite nanoparticle incorporation on optical and electrical properties of nanocomposite LbL assemblies

Physical Chemistry Chemical Physics (2010)

Alexey M. Yashchenok Dmitry A. Gorin M. Badylevich Alexey A. Serdobintsev Matthieu F. Bédard

Optical and electrical properties of polyelectrolyte/iron oxide nanocomposite planar films on silicon substrates were investigated for different amount of iron oxide nanoparticles incorporated in the films. The nanocomposite assemblies prepared by the layer-by-layer assembly technique were characterized by ellipsometry, atomic force microscopy, and secondary ion mass-spectrometry. Absorption spectra of the films reveal a shift of the optical absorption edge to higher energy when the number of deposited layers decreases. Capacitance-voltage and current-voltage measurements were applied to study the electrical properties of metal-oxide-semiconductor structures prepared by thermal evaporation of gold electrodes on nanocomposite films. The capacitance-voltage measurements show that the dielectric constant of the film increases with the number of deposited layers and the fixed charge and the trapped charge densities have a negative sign.

Magnetite Nanoparticles

10.1039/c004242k

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Citations (31)

<title>Fabrication of planar iron oxide nanocomposite films and investigation of their optical and magnetic properties</title>

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE (2007)

Dmitry A. Gorin Д. О. Григорьев Alexey M. Yashchenok Yu. A. Koksharov A. A. Neveshkin

Iron oxide nanoparticles and polymer planar films with different number of layers of iron oxide nanoparticles have been fabricated by the layer-by-layer alternating adsorption technique. It was established that the thickness of the PAH/iron oxide film and its refractive index increases with the increase of the layer number. The microwave irradiation affects the thickness of the PAH/iron oxide film and their refractive index. The increase of refractive index and decrease of thickness of nanocomposite films were observed. The electronic paramagnetic resonance (EPR) spectra of planar films were measured. It was found that parameters of the EPR spectra are sensitive to the number of nanoparticles layers.

Iron oxide nanoparticles

10.1117/12.753437

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Citations (0)

Hollow silver alginate microspheres for drug delivery and surface enhanced Raman scattering detection

RSC Advances (2016)

Ekaterina V. Lengert Alexey M. Yashchenok Vsevolod S. Atkin Aleš Lapanje Dmitry A. Gorin

Multifunctional silver alginate hydrogel microspheres are assembled via a template assisted approach using calcium carbonate cores.

Calcium alginate

10.1039/c6ra02019d

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Citations (39)

Composite SERS-based satellites navigated by optical tweezers for single cell analysis

The Analyst (2015)

Inna Y. Stetciura Alexey M. Yashchenok Admir Mašić Evgeny V. Lyubin Olga A. Inozemtseva

Optically movable SERS micro-satellites are effective intracellular probes.

Tweezers

10.1039/c5an00392j

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Citations (39)

Controlled enzyme-catalyzed degradation of polymeric capsules templated on CaCO3: Influence of the number of LbL layers, conditions of degradation, and disassembly of multicompartments

Journal of Controlled Release (2012)

И. В. Марченко Alexey M. Yashchenok Tatiana Borodina Т. В. Букреева M. Konrad

Degradation

10.1016/j.jconrel.2012.08.006

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Citations (71)

Gold nanoparticle-carbon nanotube multilayers on silica microspheres: Optoacoustic-Raman enhancement and potential biomedical applications

Materials Science and Engineering C (2020)

Daniil Nozdriukhin Nadezhda A. Besedina Vasiliy S. Chernyshev Olga Efimova Polina G. Rudakovskaya

Multiplex

Nanorod

10.1016/j.msec.2020.111736

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Citations (18)

Polycaprolactone-Based, Porous CaCO3 and Ag Nanoparticle Modified Scaffolds as a SERS Platform With Molecule-Specific Adsorption

Frontiers in Chemistry (2020)

Мariia S. Saveleva Ekaterina S. Prikhozhdenko Dmitry A. Gorin André G. Skirtach Alexey M. Yashchenok

Surface-enhanced Raman scattering (SERS) is a high-performance technique allowing detection of extremely low concentrations of analytes. For such applications, fibrous polymeric matrices decorated with plasmonic metal nanostructures might be used as an operative, flexible SERS substrates foranalysis of analytes in many application. In this study, a three-dimensional SERS substrate consisted of CaCO3-mineralized electrospun (ES) polycaprolactone (PCL) fibrous matrix decorated with silver (Ag) nanoparticles is developed. Such modification of the fibrous substrate allowed a significant increase of SERS signal amplification to be achieved. Functionalization of fibres by porous CaCO3 (vaterite) and Ag nanoparticles provides an effective approach of selective adsorption of biomolecules and their precise detection by SERS. This new-developed SERS substrate represents a promising biosensor platform with selectivity to low and high molecular weight molecules; potential applications of such biosensors are discussed.

Polycaprolactone

10.3389/fchem.2019.00888

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Citations (23)

Engineered multicompartment vesicosomes for selective uptake by living cells

Colloids and Surfaces B Biointerfaces (2022)

Vasiliy S. Chernyshev Daniil Nozdriukhin Roman N. Chuprov‐Netochin Ekaterina Tsydenzhapova Marina V. Novoselova

Extracellular Vesicles

10.1016/j.colsurfb.2022.112953

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Citations (6)

Identification and Analysis of Exosomes by Surface-Enhanced Raman Spectroscopy

Applied Sciences (2019)

Anastasiia Merdalimova Vasiliy S. Chernyshev Daniil Nozdriukhin Polina G. Rudakovskaya Dmitry A. Gorin

The concept of liquid biopsy has emerged as a novel approach for cancer screening, which is based on the analysis of circulating cancer biomarkers in body fluids. Among the various circulating cancer biomarkers, including Food and Drug Administration (FDA)-approved circulating tumor cells (CTC) and circulating tumor DNA (ctDNA), exosomes have attracted tremendous attention due to their ability to diagnose cancer in its early stages with high efficiency. Recently, surface-enhanced Raman spectroscopy (SERS) has been applied for the detection of cancer exosomes due to its high sensitivity, specificity, and multiplexing capability. In this article, we review recent progress in the development of SERS-based technologies for in vitro identification of circulating cancer exosomes. The accent is made on the detection strategies and interpretation of the SERS data. The problems of detecting cancer-derived exosomes from patient samples and future perspectives of SERS-based diagnostics are also discussed.

Liquid biopsy

Cancer Biomarkers

Surface-Enhanced Raman Spectroscopy

Cancer Detection

10.3390/app9061135

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Citations (36)