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Bagherpour S, Pérez-García L. Recent advances on nanomaterial-based glutathione sensors. J Mater Chem B 2024; 12:8285-8309. [PMID: 39081041 DOI: 10.1039/d4tb01114g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
Glutathione (GSH) is one of the most common thiol-containing molecules discovered in biological systems, and it plays an important role in many cellular functions, where changes in physiological glutathione levels contribute to the progress of a variety of diseases. Molecular imaging employing fluorescent probes is thought to be a sensitive technique for online fluorescence detection of GSH. Although various molecular probes for (intracellular) GSH sensing have been reported, some aspects remain unanswered, such as quantitative intracellular analysis, dynamic monitoring, and compatibility with biological environment. Some of these drawbacks can be overcome by sensors based on nanostructured materials, that have attracted considerable attention owing to their exceptional properties, including a large surface area, heightened electro-catalytic activity, and robust mechanical resilience, for which they have become integral components in the development of highly sensitive chemo- and biosensors. Additionally, engineered nanomaterials have demonstrated significant promise in enhancing the precision of disease diagnosis and refining treatment specificity. The aim of this review is to investigate recent advancements in fabricated nanomaterials tailored for detecting GSH. Specifically, it examines various material categories, encompassing carbon, polymeric, quantum dots (QDs), covalent organic frameworks (COFs), metal-organic frameworks (MOFs), metal-based, and silicon-based nanomaterials, applied in the fabrication of chemo- and biosensors. The fabrication of nano-biosensors, mechanisms, and methodologies employed for GSH detection utilizing these fabricated nanomaterials will also be elucidated. Remarkably, there is a noticeable absence of existing reviews specifically dedicated to the nanomaterials for GSH detection since they are not comprehensive in the case of nano-fabrication, mechanisms and methodologies of detection, as well as applications in various biological environments. This research gap presents an opportune moment to thoroughly assess the potential of nanomaterial-based approaches in advancing GSH detection methodologies.
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Affiliation(s)
- Saman Bagherpour
- Departament de Farmacologia, Toxicologia i Química Terapèutica, Universitat de Barcelona, Av. Joan XXIII 27-31, Barcelona, 08028, Spain.
- Institut de Nanociència i Nanotecnologia IN2UB, Universitat de Barcelona, Barcelona, 08028, Spain
| | - Lluïsa Pérez-García
- Departament de Farmacologia, Toxicologia i Química Terapèutica, Universitat de Barcelona, Av. Joan XXIII 27-31, Barcelona, 08028, Spain.
- Institut de Nanociència i Nanotecnologia IN2UB, Universitat de Barcelona, Barcelona, 08028, Spain
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Ermakova A. Fluorescent Nanodiamonds for High-Resolution Thermometry in Biology. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1318. [PMID: 39120422 PMCID: PMC11313720 DOI: 10.3390/nano14151318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/31/2024] [Accepted: 08/01/2024] [Indexed: 08/10/2024]
Abstract
Optically active color centers in diamond and nanodiamonds can be utilized as quantum sensors for measuring various physical parameters, particularly magnetic and electric fields, as well as temperature. Due to their small size and possible surface functionalization, fluorescent nanodiamonds are extremely attractive systems for biological and medical applications since they can be used for intracellular experiments. This review focuses on fluorescent nanodiamonds for thermometry with high sensitivity and a nanoscale spatial resolution for the investigation of living systems. The current state of the art, possible further development, and potential limitations of fluorescent nanodiamonds as thermometers will be discussed here.
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Affiliation(s)
- Anna Ermakova
- Physics Department, Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium;
- Department of Magnetosphere-Ionosphere Coupling, Royal Belgian Institute for Space Aeronomy, 1180 Brussels, Belgium
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Madden E, Zwijnenburg MA. The effect of particle size on the optical and electronic properties of hydrogenated silicon nanoparticles. Phys Chem Chem Phys 2024; 26:11695-11707. [PMID: 38563473 DOI: 10.1039/d4cp00119b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
We use a combination of many-body perturbation theory and time-dependent density functional theory to study the optical and electronic properties of hydrogen terminated silicon nanoparticles. We predict that the lowest excited states of these silicon nanoparticles are excitonic in character and that the corresponding excitons are completely delocalised over the volume of the particle. The size of the excitons is predicted to increase proportionally with the particle size. Conversely, we predict that the fundamental gap, the optical gap, and the exciton binding energy increase with decreasing particle size. The exciton binding energy is predicted to counter-act the variation in the fundamental gap and hence to reduce the variation of the optical gap with particle size. The variation in the exciton binding energy itself is probably caused by a reduction in the dielectric screening with decreasing particle size. The intensity of the excited state corresponding to the optical gap and other low energy excitations are predicted to increase with decreasing particle size. We explain this increase in terms of the 'band structure' becoming smeared out in reciprocal space with decreasing particle size, increasing the 'overlap' between the occupied and unoccupied quasiparticle states and thus, the oscillator strength. Fourier transforms of the lowest excitons show that they inherit the periodicity of the frontier quasiparticle states. This, combined with the delocalisation of the exciton and the large exciton binding energy, means that the excitons in silicon nanoparticles combine aspects of Wannier-Mott, delocalisation and effect of periodicity of the underlying structure, and Frenkel, large exciton binding energy, excitons.
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Affiliation(s)
- Eimear Madden
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK.
| | - Martijn A Zwijnenburg
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK.
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Huynh BC, Wibowo-Teale M, Wibowo-Teale AM. QSym 2: A Quantum Symbolic Symmetry Analysis Program for Electronic Structure. J Chem Theory Comput 2024; 20:114-133. [PMID: 38145888 PMCID: PMC10782455 DOI: 10.1021/acs.jctc.3c01118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/16/2023] [Accepted: 11/29/2023] [Indexed: 12/27/2023]
Abstract
Symmetry provides a powerful machinery to classify, interpret, and understand quantum-mechanical theories and results. However, most contemporary quantum chemistry packages lack the ability to handle degeneracy and symmetry breaking effects, especially in non-Abelian groups, and they are not able to characterize symmetry in the presence of external magnetic or electric fields. In this article, a program written in Rust entitled QSym2 that makes use of group and representation theories to provide symmetry analysis for a wide range of quantum-chemical calculations is introduced. With its ability to generate character tables symbolically on-the-fly and by making use of a generic symmetry-orbit-based representation analysis method formulated in this work, QSym2 is able to address all of these shortcomings. To illustrate these capabilities of QSym2, four sets of case studies are examined in detail in this article: (i) high-symmetry C84H64, C60, and B9- to demonstrate the analysis of degenerate molecular orbitals (MOs); (ii) octahedral Fe(CN)63- to demonstrate the analysis of symmetry-broken determinants and MOs; (iii) linear hydrogen fluoride in a magnetic field to demonstrate the analysis of magnetic symmetry; and (iv) equilateral H3+ to demonstrate the analysis of density symmetries.
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Affiliation(s)
- Bang C. Huynh
- School
of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Meilani Wibowo-Teale
- School
of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Andrew M. Wibowo-Teale
- School
of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom
- Hylleraas
Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P.O. Box 1033 Blindern, N-0315 Oslo, Norway
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Issa A, Ritacco T, Ge D, Broussier A, Lio GE, Giocondo M, Blaize S, Nguyen TH, Dinh XQ, Couteau C, Bachelot R, Jradi S. Quantum Dot Transfer from the Organic Phase to Acrylic Monomers for the Controlled Integration of Single-Photon Sources by Photopolymerization. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37191386 DOI: 10.1021/acsami.2c22533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
This paper reports on a new strategy for obtaining homogeneous dispersion of grafted quantum dots (QDs) in a photopolymer matrix and their use for the integration of single-photon sources by two-photon polymerization (TPP) with nanoscale precision. The method is based on phase transfer of QDs from organic solvents to an acrylic matrix. The detailed protocol is described, and the corresponding mechanism is investigated and revealed. The phase transfer is done by ligand exchange through the introduction of mono-2-(methacryloyloxy) ethyl succinate (MES) that replaces oleic acid (OA). Infrared (IR) measurements show the replacement of OA on the QD surface by MES after ligand exchange. This allows QDs to move from the hexane phase to the pentaerythritol triacrylate (PETA) phase. The QDs that are homogeneously dispersed in the photopolymer without any clusterization do not show any significant broadening in their photoluminescence spectra even after more than 3 years. The ability of the hybrid photopolymer to create micro- and nanostructures by two-photon polymerization is demonstrated. The homogeneity of emission from 2D and 3D microstructures is confirmed by confocal photoluminescence microscopy. The fabrication and integration of a single-photon source in a spatially controlled manner by TPP is achieved and confirmed by auto-correlation measurements.
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Affiliation(s)
- Ali Issa
- Light, Nanomaterials & Nanotechnologies Laboratory (L2n), Université de Technologie de Troyes & CNRS EMR7004, 12 rue Marie Curie, 10004 Troyes Cedex, France
| | - Tiziana Ritacco
- CNR Nanotec-Institute of Nanotechnology, S.S. Cosenza, Cubo 31C, Rende, CS 87036, Italy
- Department of Physics, University of Calabria, Cubo 33B, Rende, CS 87036, Italy
| | - Dandan Ge
- Light, Nanomaterials & Nanotechnologies Laboratory (L2n), Université de Technologie de Troyes & CNRS EMR7004, 12 rue Marie Curie, 10004 Troyes Cedex, France
| | - Aurelie Broussier
- Light, Nanomaterials & Nanotechnologies Laboratory (L2n), Université de Technologie de Troyes & CNRS EMR7004, 12 rue Marie Curie, 10004 Troyes Cedex, France
| | - Giuseppe Emanuele Lio
- CNR Nanotec-Institute of Nanotechnology, S.S. Cosenza, Cubo 31C, Rende, CS 87036, Italy
| | - Michele Giocondo
- CNR Nanotec-Institute of Nanotechnology, S.S. Cosenza, Cubo 31C, Rende, CS 87036, Italy
| | - Sylvain Blaize
- Light, Nanomaterials & Nanotechnologies Laboratory (L2n), Université de Technologie de Troyes & CNRS EMR7004, 12 rue Marie Curie, 10004 Troyes Cedex, France
| | - Tien Hoa Nguyen
- Shanghai University (SHU), Sino-European School of Shanghai University, Shanghai 2000072, China
| | - Xuan Quyen Dinh
- Shanghai University (SHU), Sino-European School of Shanghai University, Shanghai 2000072, China
| | - Christophe Couteau
- Light, Nanomaterials & Nanotechnologies Laboratory (L2n), Université de Technologie de Troyes & CNRS EMR7004, 12 rue Marie Curie, 10004 Troyes Cedex, France
| | - Renaud Bachelot
- Light, Nanomaterials & Nanotechnologies Laboratory (L2n), Université de Technologie de Troyes & CNRS EMR7004, 12 rue Marie Curie, 10004 Troyes Cedex, France
- Key Lab of Advanced Display and System Application, Ministry of Education, School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, PR China
| | - Safi Jradi
- Light, Nanomaterials & Nanotechnologies Laboratory (L2n), Université de Technologie de Troyes & CNRS EMR7004, 12 rue Marie Curie, 10004 Troyes Cedex, France
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