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Arumugasamy SK, Chellasamy G, Murugan N, Govindaraju S, Yun K, Choi MJ. Synthesis and surface engineering of Ag chalcogenide quantum dots for near-infrared biophotonic applications. Adv Colloid Interface Sci 2024; 331:103245. [PMID: 38945073 DOI: 10.1016/j.cis.2024.103245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/22/2024] [Accepted: 06/24/2024] [Indexed: 07/02/2024]
Abstract
Quantum dots (QDs), a novel category of semiconductor materials, exhibit extraordinary capabilities in tuning optical characteristics. Their emergence in biophotonics has been noteworthy, particularly in bio-imaging, biosensing, and theranostics applications. Although conventional QDs such as PbS, CdSe, CdS, and HgTe have garnered attention for their promising features, the presence of heavy metals in these QDs poses significant challenges for biological use. To address these concerns, the development of Ag chalcogenide QDs has gained prominence owing to their near-infrared emission and exceptionally low toxicity, rendering them suitable for biological applications. This review explores recent advancements in Ag chalcogenide QDs, focusing on their synthesis methodologies, surface chemistry modifications, and wide-ranging applications in biomedicine. Additionally, it identifies future directions in material science, highlighting the potential of these innovative QDs in revolutionizing the field.
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Affiliation(s)
- Shiva Kumar Arumugasamy
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul 04620, Republic of Korea
| | - Gayathri Chellasamy
- Department of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea
| | - Nanthagopal Murugan
- School of Materials Science and Engineering, University of Ulsan (UOU), Ulsan 44776, Republic of Korea
| | - Saravanan Govindaraju
- Department of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea
| | - Kyusik Yun
- Department of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea
| | - Min-Jae Choi
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul 04620, Republic of Korea.
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2
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Saha A, Yadav R, Rivaux C, Aldakov D, Reiss P. Water-Soluble Alumina-Coated Indium Phosphide Core-Shell Quantum Dots with Efficient Deep-Red Emission Beyond 700 nm. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2404426. [PMID: 39058212 DOI: 10.1002/smll.202404426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 07/08/2024] [Indexed: 07/28/2024]
Abstract
Solution-processed colloidal III-V semiconductor-based quantum dots (QDs) represent promising and environmentally-friendly alternatives to Cd-based QDs in the realms of optoelectronics and biological applications. While InP-based core-shell QDs have demonstrated efficient light-emitting diode (LED) performance in the visible region, achieving deep-red emission (above 700 nm) with a narrow linewidth has proven challenging. Herein, the study presents a novel strategy for synthesizing InP/ZnSe/ZnS core-shell-shell QDs tailored for emission in the first biological transparency window. The resulting QDs exhibit an emission wavelength up to 725 nm with a narrow peak full width at half maximum (FWHM) down to 107 meV (45 nm). To enhance the biocompatibility and chemical stability of the QDs, their surface is further capped with a layer of amorphous alumina resulting in an InP/ZnSe/ZnS/Al2O3 heterostructure. This surface passivation not only ensures environmental- and photostability but also enhances the photoluminescence quantum yield (PLQY). The alumina capping enables the aqueous phase transfer via surface ligand exchange using mercaptopropionic acid (MPA) while maintaining the initial quantum yield. The resulting QDs demonstrate a significant potential for advancing next-generation optoelectronic technologies and bio-applications.
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Affiliation(s)
- Avijit Saha
- University Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, STEP, Grenoble, 38000, France
| | - Ranjana Yadav
- University Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, STEP, Grenoble, 38000, France
| | - Céline Rivaux
- University Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, STEP, Grenoble, 38000, France
| | - Dmitry Aldakov
- University Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, STEP, Grenoble, 38000, France
| | - Peter Reiss
- University Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, STEP, Grenoble, 38000, France
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3
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Jin L, Selopal GS, Tong X, Perepichka DF, Wang ZM, Rosei F. Heavy-Metal-Free Colloidal Quantum Dots: Progress and Opportunities in Solar Technologies. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2402912. [PMID: 38923167 DOI: 10.1002/adma.202402912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 06/13/2024] [Indexed: 06/28/2024]
Abstract
Colloidal quantum dots (QDs) hold great promise as building blocks in solar technologies owing to their remarkable photostability and adjustable properties through the rationale involving size, atomic composition of core and shell, shapes, and surface states. However, most high-performing QDs in solar conversion contain hazardous metal elements, including Cd and Pb, posing significant environmental risks. Here, a comprehensive review of heavy-metal-free colloidal QDs for solar technologies, including photovoltaic (PV) devices, solar-to-chemical fuel conversion, and luminescent solar concentrators (LSCs), is presented. Emerging synthetic strategies to optimize the optical properties by tuning the energy band structure and manipulating charge dynamics within the QDs and at the QDs/charge acceptors interfaces, are analyzed. A comparative analysis of different synthetic methods is provided, structure-property relationships in these materials are discussed, and they are correlated with the performance of solar devices. This work is concluded with an outlook on challenges and opportunities for future work, including machine learning-based design, sustainable synthesis, and new surface/interface engineering.
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Affiliation(s)
- Lei Jin
- Centre for Energy, Materials and Telecommunications, National Institute of Scientific Research, 1650 Boul. Lionel-Boulet, Varennes, QC, J3X1P7, Canada
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, QC, H3A 0B8, Canada
| | - Gurpreet Singh Selopal
- Department of Engineering, Faculty of Agriculture, Dalhousie University, 39 Cox Rd, Banting Building, Truro, NS, B2N 5E3, Canada
| | - Xin Tong
- Shimmer Center, Tianfu Jiangxi Laboratory, Chengdu, 641419, P. R. China
| | - Dmytro F Perepichka
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, QC, H3A 0B8, Canada
| | - Zhiming M Wang
- Shimmer Center, Tianfu Jiangxi Laboratory, Chengdu, 641419, P. R. China
| | - Federico Rosei
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Giorgeri 1, Trieste, 34127, Italy
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Hou Q, Du Z, Sun Z, Kong J, Huang Y, Wang K, Ning J, Tang J. Pseudohalogen Ammonium Salt-Assisted Syntheses of Large-Sized Indium Phosphide Quantum Dots with Near-Infrared Photoluminescence. J Phys Chem Lett 2024:3285-3293. [PMID: 38489757 DOI: 10.1021/acs.jpclett.4c00158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
The development of indium phosphide (InP)-based quantum dots (QDs) with a near-infrared (NIR) emission area still lags behind the visible wavelength region and remains problematic. This study describes a one-step in situ pseudohalogen ammonium salt-assisted approach to generate NIR-emitted InP-based QDs with high photoluminescence quantum yields (PLQYs). The coexistence of NH4+ and PF6- ions from NH4PF6 may in situ synchronously etch and passivate the surface oxides and impede the creation of traps under the whole growth process of InP QDs. Experimental findings demonstrated that the in situ pseudohalogen ammonium salt-assisted syntheses technique may feature emission at a full width at half-maximum (fwhm) peak as fine as ∼45 nm and broaden the emission range to around ∼780 nm. A two-step approach for ZnS shells was developed to further improve the PLQY of NIR-emitted InP QDs. Furthermore, the constructed high-power intrinsically stretchable NIR color-conversion film employing the InP-based QDs/polymer composites presented excellent luminescence conversion ability and stretchability.
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Affiliation(s)
- Qinggang Hou
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Sci. & Tech. Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Zhonglin Du
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Sci. & Tech. Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Zhe Sun
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Sci. & Tech. Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Jiahua Kong
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Sci. & Tech. Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Yixiao Huang
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Sci. & Tech. Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Keke Wang
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Sci. & Tech. Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Jiajia Ning
- Key Laboratory of Physics and Technology for Advanced Batteries, Ministry of Education, College of Physics, Jilin University, Changchun 130012, P. R. China
| | - Jianguo Tang
- Institute of Hybrid Materials, National Center of International Joint Research for Hybrid Materials Technology, National Base of International Sci. & Tech. Cooperation on Hybrid Materials, College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao 266071, P. R. China
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Zhong X, Patel A, Sun Y, Saeboe AM, Dennis AM. Multiplexed Short-wave Infrared Imaging Highlights Anatomical Structures in Mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.29.577849. [PMID: 38352582 PMCID: PMC10862713 DOI: 10.1101/2024.01.29.577849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
While multiplexed fluorescence imaging is frequently used for in vitro microscopy, extending the technique to whole animal imaging in vivo has remained challenging due to the attenuation and scattering of visible and traditional near infrared (NIR-I) wavelengths. Fluorescence imaging using short-wave infrared (SWIR, 1000 - 1700 nm, a.k.a. NIR-II) light enables deeper tissue penetration for preclinical imaging compared to previous methods due to reduced tissue scattering and minimal background autofluorescence in this optical window. Combining NIR-I excitation wavelengths with multiple distinct SWIR emission peaks presents a tremendous opportunity to distinguish multiple fluorophores with high precision for non-invasive, multiplexed anatomical imaging in small animal models. SWIR-emitting semiconductor quantum dots (QDs) with tunable emission peaks and optical stability have emerged as powerful contrast agents, but SWIR imaging demonstrations have yet to move beyond two-color imaging schemes. In this study, we engineered a set of three high quantum yield lead sulfide/cadmium sulfide (PbS/CdS) core/shell QDs with distinct SWIR emissions ranging from 1100 - 1550 nm and utilize these for simultaneous three-color imaging in mice. We first use QDs to non-invasively track lymphatic drainage, highlighting the detailed network of lymphatic vessels with high-resolution with a widefield imaging over a 2 hr period. We then perform multiplexed imaging with all three QDs to distinctly visualize the lymphatic system and spatially overlapping vasculature network. This work establishes optimized SWIR QDs for next-generation multiplexed preclinical imaging, moving beyond the capability of previous dual-labeling techniques. The capacity to discriminate several fluorescent labels through non-invasive NIR-I excitation and SWIR detection unlocks numerous opportunities for studies of disease progression, drug biodistribution, and cell trafficking dynamics in living organisms.
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Affiliation(s)
- Xingjian Zhong
- Department of Biomedical Engineering, Boston University, Boston, MA, 02215, USA
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA
| | - Amish Patel
- Department of Biomedical Engineering, Boston University, Boston, MA, 02215, USA
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA
| | - Yidan Sun
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA
| | - Alexander M. Saeboe
- Division of Materials Science & Engineering, Boston University, Boston, MA, 02215, USA
| | - Allison M. Dennis
- Department of Biomedical Engineering, Boston University, Boston, MA, 02215, USA
- Department of Chemical Engineering, Northeastern University, Boston, MA, 02115, USA
- Division of Materials Science & Engineering, Boston University, Boston, MA, 02215, USA
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6
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Liu J, Yue S, Zhang H, Wang C, Barba D, Vidal F, Sun S, Wang ZM, Bao J, Zhao H, Selopal GS, Rosei F. Efficient Photoelectrochemical Hydrogen Generation Using Eco-Friendly "Giant" InP/ZnSe Core/Shell Quantum Dots. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37433096 DOI: 10.1021/acsami.3c04900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
InP quantum dots (QDs) are promising building blocks for use in solar technologies because of their low intrinsic toxicity, narrow bandgap, large absorption coefficient, and low-cost solution synthesis. However, the high surface trap density of InP QDs reduces their energy conversion efficiency and degrades their long-term stability. Encapsulating InP QDs into a wider bandgap shell is desirable to eliminate surface traps and improve optoelectronic properties. Here, we report the synthesis of "giant" InP/ZnSe core/shell QDs with tunable ZnSe shell thickness to investigate the effect of the shell thickness on the optoelectronic properties and the photoelectrochemical (PEC) performance for hydrogen generation. The optical results demonstrate that ZnSe shell growth (0.9-2.8 nm) facilitates the delocalization of electrons and holes into the shell region. The ZnSe shell simultaneously acts as a passivation layer to protect the surface of InP QDs and as a spatial tunneling barrier to extract photoexcited electrons and holes. Thus, engineering the ZnSe shell thickness is crucial for the photoexcited electrons and hole transfer dynamics to tune the optoelectronic properties of "giant" InP/ZnSe core/shell QDs. We obtained an outstanding photocurrent density of 6.2 mA cm-1 for an optimal ZnSe shell thickness of 1.6 nm, which is 288% higher than the values achieved from bare InP QD-based PEC cells. Understanding the effect of shell thickness on surface passivation and carrier dynamics offers fundamental insights into the suitable design and realization of eco-friendly InP-based "giant" core/shell QDs toward improving device performance.
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Affiliation(s)
- Jiabin Liu
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - Shuai Yue
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China
| | - Hui Zhang
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - Chao Wang
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - David Barba
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - François Vidal
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - Shuhui Sun
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - Zhiming M Wang
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China
- Institute for Advanced Study, Chengdu University, Chengdu, Sichuan 610106, P. R. China
| | | | - Haiguang Zhao
- State Key Laboratory of Bio-Fibers and Eco-Textiles & College of Physics, University-Industry Joint Center for Ocean Observation and Broadband Communication, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Gurpreet Singh Selopal
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China
- Department of Engineering, Faculty of Agriculture, Dalhousie University, Truro, Nova Scotia B2N 5E3, Canada
| | - Federico Rosei
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
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7
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Manoj B, Rajan D, Thomas KG. InP quantum dots: Stoichiometry regulates carrier dynamics. J Chem Phys 2023; 158:2887769. [PMID: 37129142 DOI: 10.1063/5.0146484] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 04/13/2023] [Indexed: 05/03/2023] Open
Abstract
The optical properties of non-toxic indium phosphide (InP) quantum dots (QDs) are impinged by the existence of characteristic deep trap states. Several surface engineering strategies have been adopted to improve their optical quality, which has promoted the use of InP QDs for various technological applications. An antithetical approach involves the effective utilization of the deep trap states in InP QDs to modulate back electron transfer rates. Here, we explore the influence of the core-size of InP on their In-to-P stoichiometry and charge transfer dynamics when bound to an acceptor molecule, decyl viologen (DV2+). The mechanism of interaction of InP and DV2+ based on the quenching sphere model established the presence of (i) a 1:1 complex of DV2+ bound on InP and (ii) immobile quenchers in the quenching sphere, depending on the concentration of DV2+. While the forward electron transfer rates from photoexcited InP to bound DV2+ does not substantially vary with an increase in core size, the back electron transfer rates are found to be retarded. Findings from inductively coupled plasma-optical emission spectroscopy (ICP-OES) and X-ray photoelectron spectroscopy (XPS) reveal that the In to P ratio is higher for QDs with larger core size, which further brings about increased carrier trapping and a decreased rate of charge recombination. Furthermore, long-lived charge-separated states in DV2+ bound to InP, extending to hundreds of milliseconds, are obtained by varying the number of DV2+ in the quenching sphere of the QDs.
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Affiliation(s)
- B Manoj
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Vithura, Thiruvananthapuram 695551, India
| | - Devika Rajan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Vithura, Thiruvananthapuram 695551, India
| | - K George Thomas
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Vithura, Thiruvananthapuram 695551, India
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8
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Yu Y, Prudnikau A, Lesnyak V, Kirchner R. Quantum Dots Facilitate 3D Two-Photon Laser Lithography. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2211702. [PMID: 37042293 DOI: 10.1002/adma.202211702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 04/07/2023] [Indexed: 06/04/2023]
Abstract
In the past two decades, direct laser writing (DLW) technologies have seen tremendous growth. However, strategies that enhance the printing resolution and the development of printing material with assorted functionalities are still sparser than expected. Herein, a cost-effective method to tackle this bottleneck is presented. Semiconductor quantum dots (QDs) are selected to carry out this task, most importantly via surface chemistry modification to enable their copolymerization with themonomers, resulting in transparent composites. The evaluations indicate that the QDs show great colloidal stability and their photoluminescent properties are well-preserved. This allows further exploration of the printing characteristics of such composite material. It is shown that in the presence of the QDs, the material provides a much lower polymerization threshold with faster linewidth growth, indicating that the QDs form a synergetic relationship with the monomer and the photoinitiator, widening the dynamic range of the material and thus increasing the writing efficiency for broader fields of applications. Lowering the polymerization threshold reduces the minimum achievable feature size by ≈32%, which is well-matched with STED-based (i.e., stimulated-emission depletion microscopy) methods in writing 3D structures. The study further elucidates the mechanism of the synergetic behavior, further guiding the future development of functional materials for DLW-related printing technologies.
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Affiliation(s)
- Ye Yu
- Institute of Semiconductors and Microsystems, Technische Universität Dresden, Nöthnitzer Straße 64, 01187, Dresden, Germany
- Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062, Dresden, Germany
| | - Anatol Prudnikau
- Physical Chemistry, Technische Universität Dresden, Zellescher Weg 19, 01069, Dresden, Germany
| | - Vladimir Lesnyak
- Physical Chemistry, Technische Universität Dresden, Zellescher Weg 19, 01069, Dresden, Germany
| | - Robert Kirchner
- Institute of Semiconductors and Microsystems, Technische Universität Dresden, Nöthnitzer Straße 64, 01187, Dresden, Germany
- Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062, Dresden, Germany
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9
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Kuznetsov D, Krylsky D, Dezhurov S, Grachev A, Neschisliaev V, Orlova E, Kuznetsova A. Quantum dots are time bomb: Multiscale toxicological study. Chem Biol Interact 2023; 374:110396. [PMID: 36764372 DOI: 10.1016/j.cbi.2023.110396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/03/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023]
Abstract
The use of quantum dots has spread widely into many applications. Works on the study of quantum dots on living organisms have had conflicting results on toxicity. There are no full-scale long-term toxicological studies with multiple administration of quantum dots. Understanding the toxicity of quantum dots is still limited. Here we present data on the effects of quantum dots on animals. In this work for the first time, it is shown that at a single administration of quantum dots in the body they have moderate species-specific toxicity, but repeated administration of quantum dots for 14 days even in the amount of 0.5 mg/kg leads to a delayed not completely irreversible hematotoxic effect, delayed irreversible disorders of barrier function of the liver, irreversible nephrotoxic effect, and to pathological changes in the thymus, kidneys and spleen. Administration of quantum dots in the amount of 2.5 mg/kg for 14 days leads to irreversible changes in the lungs, liver, spleen, kidneys and thyroid gland. This phenomenon is based on immunological reactions. On the one hand, these data confirm that quantum dots at a single administration can show relatively low toxicity. On the other hand, they cause to a delayed irreversible organ and tissue damage when repeatedly administered to the body even in small quantities. This study demonstrates that quantum dots are not as low in toxicity as previously thought to be and pose a serious risk when entering living organisms. Detecting and treating poisoning using standard methods of diagnosis and treatment of heavy metal poisoning may not be effective. This study demonstrates that toxic effects of quantum dots on a living body are quite complex and cannot be generalized based on previously reported assumptions.
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Affiliation(s)
- Denis Kuznetsov
- G.N. Gabrichevsky Scientific and Research Institute of Epidemiology and Microbiology, 10, Admirala Makarova str., Moscow, 125212, Russia.
| | - Dmitriy Krylsky
- Research Institute of Applied Acoustics, Center of High Technologies, 7A, 9 Maya, Dubna, 141980, Russia
| | - Sergey Dezhurov
- Research Institute of Applied Acoustics, Center of High Technologies, 7A, 9 Maya, Dubna, 141980, Russia
| | - Alexei Grachev
- Institute of Carcinogenesis, Cancer Research Center of N.N. Blokhin, Kashirskoe sh. 24, Moscow, 115478, Russia
| | | | - Ekaterina Orlova
- Perm State Pharmaceutical Academy, Polevaya str. 2, 614000, Perm, Russia
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10
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Liu L, Bai B, Yang X, Du Z, Jia G. Anisotropic Heavy-Metal-Free Semiconductor Nanocrystals: Synthesis, Properties, and Applications. Chem Rev 2023; 123:3625-3692. [PMID: 36946890 DOI: 10.1021/acs.chemrev.2c00688] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
Heavy-metal (Cd, Hg, and Pb)-containing semiconductor nanocrystals (NCs) have been explored widely due to their unique optical and electrical properties. However, the toxicity risks of heavy metals can be a drawback of heavy-metal-containing NCs in some applications. Anisotropic heavy-metal-free semiconductor NCs are desirable replacements and can be realized following the establishment of anisotropic growth mechanisms. These anisotropic heavy-metal-free semiconductor NCs can possess lower toxicity risks, while still exhibiting unique optical and electrical properties originating from both the morphological and compositional anisotropy. As a result, they are promising light-emitting materials in use various applications. In this review, we provide an overview on the syntheses, properties, and applications of anisotropic heavy-metal-free semiconductor NCs. In the first section, we discuss hazards of heavy metals and introduce the typical heavy-metal-containing and heavy-metal-free NCs. In the next section, we discuss anisotropic growth mechanisms, including solution-liquid-solid (SLS), oriented attachment, ripening, templated-assisted growth, and others. We discuss mechanisms leading both to morphological anisotropy and to compositional anisotropy. Examples of morphological anisotropy include growth of nanorods (NRs)/nanowires (NWs), nanotubes, nanoplatelets (NPLs)/nanosheets, nanocubes, and branched structures. Examples of compositional anisotropy, including heterostructures and core/shell structures, are summarized. Third, we provide insights into the properties of anisotropic heavy-metal-free NCs including optical polarization, fast electron transfer, localized surface plasmon resonances (LSPR), and so on, which originate from the NCs' anisotropic morphologies and compositions. Finally, we summarize some applications of anisotropic heavy-metal-free NCs including catalysis, solar cells, photodetectors, lighting-emitting diodes (LEDs), and biological applications. Despite the huge progress on the syntheses and applications of anisotropic heavy-metal-free NCs, some issues still exist in the novel anisotropic heavy-metal-free NCs and the corresponding energy conversion applications. Therefore, we also discuss the challenges of this field and provide possible solutions to tackle these challenges in the future.
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Affiliation(s)
- Long Liu
- Key Lab for Special Functional Materials, Ministry of Education, National and Local Joint Engineering Research Center for High-Efficiency Display and Lighting Technology, School of Materials Science and Engineering, and Collaborative Innovation Center of Nano Functional Materials and Applications, Henan University, Kaifeng 475004, China
| | - Bing Bai
- Key Lab for Special Functional Materials, Ministry of Education, National and Local Joint Engineering Research Center for High-Efficiency Display and Lighting Technology, School of Materials Science and Engineering, and Collaborative Innovation Center of Nano Functional Materials and Applications, Henan University, Kaifeng 475004, China
| | - Xuyong Yang
- Key Laboratory of Advanced Display and System Applications of Ministry of Education, Shanghai University, 149 Yanchang Road, Shanghai 200072, P. R. China
| | - Zuliang Du
- Key Lab for Special Functional Materials, Ministry of Education, National and Local Joint Engineering Research Center for High-Efficiency Display and Lighting Technology, School of Materials Science and Engineering, and Collaborative Innovation Center of Nano Functional Materials and Applications, Henan University, Kaifeng 475004, China
| | - Guohua Jia
- School of Molecular and Life Sciences, Curtin University, Perth, WA 6102, Australia
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11
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Ren C, Hu D, Cui Y, Chen P, Xu X, Cheng J, He T. Ag-doped InP/ZnS quantum dots for type-I photosensitizers. Chem Commun (Camb) 2023; 59:2311-2314. [PMID: 36748302 DOI: 10.1039/d2cc06119h] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Water-soluble Ag-doped InP/ZnS quantum dots (QDs) with high photoluminescence quantum yield were synthesized and characterized. Their maximum two- and three-photon absorption cross sections are determined as ∼1.7 × 104 GM at 820 nm and ∼1.7 × 10-76 cm6 s2 photon-2 at 1260 nm. Importantly, for the first time, we demonstrated that Ag-doped InP/ZnS QDs can be used for type-I photodynamic therapy and are more suitable for the hypoxic environment of tumors.
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Affiliation(s)
- Can Ren
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
| | - Die Hu
- Key Laboratory of Cell Biology, Ministry of Public Health and Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang 110122, China.
| | - Yanyan Cui
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
| | - Peixian Chen
- Key Laboratory of Cell Biology, Ministry of Public Health and Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang 110122, China.
| | - Xiaoqian Xu
- Key Laboratory of Cell Biology, Ministry of Public Health and Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang 110122, China.
| | - Jiaji Cheng
- School of Materials Science and Engineering, Hubei University, Wuhan 430062, China.
| | - Tingchao He
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
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12
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Effect of the surface coverage of an alkyl carboxylic acid monolayer on waterborne and cellular uptake behaviors for silicon quantum dots. Sci Rep 2022; 12:17211. [PMID: 36241686 PMCID: PMC9568572 DOI: 10.1038/s41598-022-21698-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 09/30/2022] [Indexed: 01/06/2023] Open
Abstract
This article reports the development of highly waterborne silicon quantum dots (Si QDs) terminated with a reactive group for grafting of biomolecules. Hydrogen-terminated QDs were prepared by thermal disproportionation of amorphous hydrogen silsesquioxane derived from triethoxysilane followed by hydrofluoric etching. Next, the hydrogenated Si surfaces were exposed to 10-undecenoic acid at different temperatures in Ar atmosphere, yielding the termination of the QDs with a carboxyl group. The thermal hydrosilylation of 10-undecenoic acid yielded the termination of the QDs with a carboxyl group. An increase in molecular coverage of an undecanoic acid (UA) monolayer resulted in both the enhanced increase of zeta-potential in a negative direction for a greater water-dispersity and the increase of absolute quantum yield (QY) of photoluminescence (PL). PLQY improved for ~ 1% to 26% with increasing UA coverage. We assessed the molecular interaction between the UA-SiQDs and HeLa cells by means of cellular uptake experiments using the QDs with different UA coverages. Results showed that the QDs with the highest dispersity in water were not internalized in the cells under confocal fluorescence microscopic observation. In contrast, the QDs with lower coverage of UA monolayer were internalized by endocytosis when incubated with HeLa cells. This contrasting observation opens the possibility of successfully preparing carboxy-capped SiQDs that do not allow cellular uptake but are targeted to specific cells by appropriate conjugation with biomolecules.
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13
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Zhang Y, Lv Y, Li L, Zhao X, Zhao M, Shen H. Aminophosphate precursors for the synthesis of near‐unity emitting InP quantum dots and their application in liver cancer diagnosis. EXPLORATION 2022; 2:20220082. [PMCID: PMC10190939 DOI: 10.1002/exp.20220082] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/22/2022] [Indexed: 06/15/2023]
Affiliation(s)
- Yanbin Zhang
- Key Laboratory of Natural Medicine and Immuno‐Engineering of Henan Province Henan University Kaifeng China
| | - Yanbing Lv
- Key Laboratory for Special Functional Materials of Ministry of Education School of Materials and Engineering Henan University Kaifeng China
| | - Lin‐Song Li
- Key Laboratory of Natural Medicine and Immuno‐Engineering of Henan Province Henan University Kaifeng China
| | - Xue‐Jie Zhao
- Key Laboratory of Natural Medicine and Immuno‐Engineering of Henan Province Henan University Kaifeng China
| | - Mei‐Xia Zhao
- Key Laboratory of Natural Medicine and Immuno‐Engineering of Henan Province Henan University Kaifeng China
| | - Huaibin Shen
- Key Laboratory for Special Functional Materials of Ministry of Education School of Materials and Engineering Henan University Kaifeng China
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14
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Liu X, He F, Bai L, Cao X, Liu C, Lu W. A two-dimensional G-CoP/N,P-co-doped carbon nanowire electrode for the simultaneous determination of hydroquinone and catechol in domestic wastewater. Anal Chim Acta 2022; 1210:339871. [DOI: 10.1016/j.aca.2022.339871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/30/2022] [Accepted: 04/22/2022] [Indexed: 11/26/2022]
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15
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Brett MW, Gordon CK, Hardy J, Davis NJLK. The Rise and Future of Discrete Organic-Inorganic Hybrid Nanomaterials. ACS PHYSICAL CHEMISTRY AU 2022; 2:364-387. [PMID: 36855686 PMCID: PMC9955269 DOI: 10.1021/acsphyschemau.2c00018] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Hybrid nanomaterials (HNs), the combination of organic semiconductor ligands attached to nanocrystal semiconductor quantum dots, have applications that span a range of practical fields, including biology, chemistry, medical imaging, and optoelectronics. Specifically, HNs operate as discrete, tunable systems that can perform prompt fluorescence, energy transfer, singlet fission, upconversion, and/or thermally activated delayed fluorescence. Interest in HNs has naturally grown over the years due to their tunability and broad spectrum of applications. This Review presents a brief introduction to the components of HNs, before expanding on the characterization and applications of HNs. Finally, the future of HN applications is discussed.
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16
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Manoj B, Somasundaran SM, Rajan D, Thirunavukkuarasu S, Thomas KG. InP-Bovine Serum Albumin Conjugates as Energy Transfer Probes. J Phys Chem B 2022; 126:2635-2646. [PMID: 35353512 DOI: 10.1021/acs.jpcb.1c10134] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The use of indium phosphide (InP) quantum dots (QDs) as biological fluorophores is limited by the low photoluminescence quantum yield (ϕPL) and the lack of effective bioconjugation strategies. The former issue has been addressed by introducing a strain relaxing intermediate shell such as ZnSe, GaP etc. that significantly enhances the ϕPL of InP. Herein, we present an effective strategy for the conjugation of emissive InP/GaP/ZnS QDs with a commonly used globular protein, namely bovine serum albumin (BSA), which generate colloidally stable QD bioconjugates, labeled as InP-BSA and demonstrate its use as energy transfer probes. The conjugate contains one protein per QD, and the circular dichroism spectra of BSA and InP-BSA exhibit similar fractions of α-helix and β-sheet, reflective of the fact that the secondary structure of the protein is intact on binding. More importantly, the fluorescence polarization studies corroborate the fact that the bound protein can hold a variety of chromophoric acceptors. Upon selectively exciting the InP-BSA component in the presence of bound chromophores, a reduction in the emission intensity of the donor is observed with a concomitant increase in emission of the acceptor. Time-resolved investigations further confirm an efficient nonradiative energy transfer from InP-BSA to the bound acceptors.
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Affiliation(s)
- Bhaskaran Manoj
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Vithura, Thiruvananthapuram 695551, India
| | - Sanoop Mambully Somasundaran
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Vithura, Thiruvananthapuram 695551, India
| | - Devika Rajan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Vithura, Thiruvananthapuram 695551, India
| | - Shyamala Thirunavukkuarasu
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Vithura, Thiruvananthapuram 695551, India
| | - K George Thomas
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER TVM), Vithura, Thiruvananthapuram 695551, India
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17
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Qu A, Xu L, Xu C, Kuang H. Chiral nanomaterials for biosensing, bioimaging, and disease therapies. Chem Commun (Camb) 2022; 58:12782-12802. [DOI: 10.1039/d2cc04420j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chiral plasmonic nanomaterials for biosensing, bioimaging and disease therapy.
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Affiliation(s)
- Aihua Qu
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Liguang Xu
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Chuanlai Xu
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Hua Kuang
- International Joint Research Laboratory for Biointerface and Biodetection, State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
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18
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Li J, Guo Z, Xiao S, Tu Y, He T, Zhang W. Optimizing Optical Properties of Hybrid Core/Shell Perovskite Nanocrystals. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00080f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hybrid perovskite nanocrystals (NCs) are widely used in various applications, due to their desirable optoelectronic characteristics. However, the related applications are usually hindered by their poor long-term stability. In this...
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19
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Li W, Zhang G, Liu L. Near-Infrared Inorganic Nanomaterials for Precise Diagnosis and Therapy. Front Bioeng Biotechnol 2021; 9:768927. [PMID: 34765596 PMCID: PMC8576183 DOI: 10.3389/fbioe.2021.768927] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 10/12/2021] [Indexed: 11/13/2022] Open
Abstract
Traditional wavelengths (400–700 nm) have made tremendous inroads in vivo fluorescence imaging. However, the ability of visible light photon penetration hampered the bio-applications. With reduced photon scattering, minimal tissue absorption and negligible autofluorescence properties, near-infrared light (NIR 700–1700 nm) demonstrates better resolution, high signal-to-background ratios, and deep tissue penetration capability, which will be of great significance for in-vivo determination in deep tissue. In this review, we summarized the latest novel NIR inorganic nanomaterials and the emission mechanism including single-walled carbon nanotubes, rare-earth nanoparticles, quantum dots, metal nanomaterials. Subsequently, the recent progress of precise noninvasive diagnosis in biomedicine and cancer therapy utilizing near-infrared inorganic nanomaterials are discussed. In addition, this review will highlight the concerns, challenges and future directions of near-infrared light utilization.
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Affiliation(s)
- Wenling Li
- Medicine and Pharmacy Research Center, School of Pharmacy, Binzhou Medical University, Yantai, China
| | - Guilong Zhang
- Medicine and Pharmacy Research Center, School of Pharmacy, Binzhou Medical University, Yantai, China
| | - Lu Liu
- Medicine and Pharmacy Research Center, School of Pharmacy, Binzhou Medical University, Yantai, China
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20
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Skripka A, Mendez-Gonzalez D, Marin R, Ximendes E, Del Rosal B, Jaque D, Rodríguez-Sevilla P. Near infrared bioimaging and biosensing with semiconductor and rare-earth nanoparticles: recent developments in multifunctional nanomaterials. NANOSCALE ADVANCES 2021; 3:6310-6329. [PMID: 36133487 PMCID: PMC9417871 DOI: 10.1039/d1na00502b] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 10/03/2021] [Indexed: 05/17/2023]
Abstract
Research in novel materials has been extremely active over the past few decades, wherein a major area of interest has been nanoparticles with special optical properties. These structures can overcome some of the intrinsic limitations of contrast agents routinely used in medical practice, while offering additional functionalities. Materials that absorb or scatter near infrared light, to which biological tissues are partially transparent, have attracted significant attention and demonstrated their potential in preclinical research. In this review, we provide an at-a-glance overview of the most recent developments in near infrared nanoparticles that could have far-reaching applications in the life sciences. We focus on materials that offer additional functionalities besides diagnosis based on optical contrast: multiple imaging modalities (multimodal imaging), sensing of physical and chemical cues (multivariate diagnosis), or therapeutic activity (theranostics). Besides presenting relevant case studies for each class of optically active materials, we discuss their design and safety considerations, detailing the potential hurdles that may complicate their clinical translation. While multifunctional nanomaterials have shown promise in preclinical research, the field is still in its infancy; there is plenty of room to maximize its impact in preclinical studies as well as to deliver it to the clinics.
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Affiliation(s)
- Artiom Skripka
- Nanomaterials for Bioimaging Group, Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid Madrid 28049 Spain
- The Molecular Foundry, Lawrence Berkeley National Laboratory Berkeley California 94720 USA
| | - Diego Mendez-Gonzalez
- Nanomaterials for Bioimaging Group, Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid Madrid 28049 Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS) Ctra. Colmenar km. 9.100 Madrid 28034 Spain
| | - Riccardo Marin
- Nanomaterials for Bioimaging Group, Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid Madrid 28049 Spain
| | - Erving Ximendes
- Nanomaterials for Bioimaging Group, Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid Madrid 28049 Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS) Ctra. Colmenar km. 9.100 Madrid 28034 Spain
| | - Blanca Del Rosal
- ARC Centre of Excellence for Nanoscale BioPhotonics, School of Science, RMIT University 124 La Trobe St Melbourne VIC 3000 Australia
| | - Daniel Jaque
- Nanomaterials for Bioimaging Group, Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid Madrid 28049 Spain
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS) Ctra. Colmenar km. 9.100 Madrid 28034 Spain
| | - Paloma Rodríguez-Sevilla
- Nanomaterials for Bioimaging Group, Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid Madrid 28049 Spain
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21
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Liang Z, Khawar MB, Liang J, Sun H. Bio-Conjugated Quantum Dots for Cancer Research: Detection and Imaging. Front Oncol 2021; 11:749970. [PMID: 34745974 PMCID: PMC8569511 DOI: 10.3389/fonc.2021.749970] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/30/2021] [Indexed: 12/20/2022] Open
Abstract
Ultrasound, computed tomography, magnetic resonance, and gamma scintigraphy-based detection and bio-imaging technologies have achieved outstanding breakthroughs in recent years. However, these technologies still encounter several limitations such as insufficient sensitivity, specificity and security that limit their applications in cancer detection and bio-imaging. The semiconductor quantum dots (QDs) are a kind of newly developed fluorescent nanoparticles that have superior fluorescence intensity, strong resistance to photo-bleaching, size-tunable light emission and could produce multiple fluorescent colors under single-source excitation. Furthermore, QDs have optimal surface to link with multiple targets such as antibodies, peptides, and several other small molecules. Thus, QDs might serve as potential, more sensitive and specific methods of detection than conventional methods applied in cancer molecular targeting and bio-imaging. However, many challenges such as cytotoxicity and nonspecific uptake still exist limiting their wider applications. In the present review, we aim to summarize the current applications and challenges of QDs in cancer research mainly focusing on tumor detection, bio-imaging, and provides opinions on how to address these challenges.
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Affiliation(s)
- Zhengyan Liang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research Yangzhou, Yangzhou, China
| | - Muhammad Babar Khawar
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research Yangzhou, Yangzhou, China.,Molecular Medicine and Cancer Therapeutics Lab, Department of Zoology, Faculty of Sciences, University of Central Punjab, Lahore, Pakistan
| | - Jingyan Liang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research Yangzhou, Yangzhou, China
| | - Haibo Sun
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research Yangzhou, Yangzhou, China
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22
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Zhu Y, Xie Z, Li J, Liu Y, Li C, Liang W, Huang W, Kang J, Cheng F, Kang L, Al-Hartomy OA, Al-Ghamdi A, Wageh S, Xu J, Li D, Zhang H. From phosphorus to phosphorene: Applications in disease theranostics. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214110] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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23
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Toufanian R, Zhong X, Kays JC, Saeboe AM, Dennis AM. Correlating ZnSe Quantum Dot Absorption with Particle Size and Concentration. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2021; 33:7527-7536. [PMID: 35221489 PMCID: PMC8872037 DOI: 10.1021/acs.chemmater.1c02501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The focus on heavy metal-free semiconductor nanocrystals has increased interest in ZnSe semiconductor quantum dots (QDs) over the past decade. Reliable and consistent incorporation of ZnSe cores into core/shell heterostructures or devices requires empirical fit equations correlating the lowest-energy electron transition (1S peak) to their size and molar extinction coefficients (ε). While these equations are known and heavily used for CdSe, CdTe, CdS, PbS, etc., they are not well established for ZnSe and are nonexistent for ZnSe QDs with diameters <3.5 nm. In this study, a series of ZnSe QDs with diameters ranging from 2 to 6 nm were characterized by small-angle X-ray scattering (SAXS), transmission electron microscopy (TEM), UV-vis spectroscopy, and microwave plasma atomic emission spectroscopy (MP-AES). SAXS-based size analysis enabled the practical inclusion of small particles in the evaluation, and elemental analysis with MP-AES elucidates a nonstoichiometric Zn:Se ratio consistent with zinc-terminated spherical ZnSe QDs. Using these combined results, empirical fit equations correlating QD size with its lowest-energy electron transition (i.e., 1S peak position), Zn:Se ratio, and molar extinction coefficients for 1S peak, 1S integral, and high-energy wavelengths are reported. Finally, the equations are used to track the evolution of a ZnSe core reaction. These results will enable the consistent and reliable use of ZnSe core particles in complex heterostructures and devices.
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Affiliation(s)
- Reyhaneh Toufanian
- Division of Materials Science and Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Xingjian Zhong
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Joshua C Kays
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Alexander M Saeboe
- Division of Materials Science and Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Allison M Dennis
- Division of Materials Science and, Engineering, Boston University, Boston, Massachusetts 02215, United States; Department of Biomedical Engineering, Boston, University, Boston, Massachusetts 02215, United States
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24
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Xu J, Qiu X, Hildebrandt N. When Nanoworlds Collide: Implementing DNA Amplification, Nanoparticles, Molecules, and FRET into a Single MicroRNA Biosensor. NANO LETTERS 2021; 21:4802-4808. [PMID: 34041910 DOI: 10.1021/acs.nanolett.1c01351] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Isothermal nucleic acid amplification strategies have been combined with nanotechnology for advanced biosensing, material design, and biomedical applications. However, merging phenomena and materials of different nanoscales with the aim of exploiting all their benefits at once has remained a challenging endeavor. Here, we exemplify the various problems one can encounter when combining the nanodimensions of lanthanide complexes (∼2 nm), Förster resonance energy transfer (FRET, ∼5 nm), quantum dots (QDs, ∼20 nm), and rolling circle amplification (RCA, ∼250 nm) into a single microRNA biosensor and how these challenges can be overcome. Six different approaches, including simple FRET-RCA, enzyme-digesting FRET-RCA, and FRET-hyperbranched-RCA were investigated. We demonstrated specific miR-21 detection with 80 fM limit of detection and multiplexing capability with FRET from a Tb complex to different QDs. The detailed view on the various complex multi-nanodimensional assay systems elucidated the limited clinical translation of such sophisticated multicomponent nanobiosensors.
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Affiliation(s)
- Jingyue Xu
- nanofret.com, Laboratoire Chimie Organique, Bioorganique, Réactivité et Analyse (COBRA), Université de Rouen Normandie, CNRS, INSA, 76821 Mont-Saint-Aignan Cedex, France
- Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CNRS, CEA, 91405 Orsay Cedex, France
| | - Xue Qiu
- School of Medicine and Pharmacy, Ocean University of China, 266003 Qingdao, China
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, 266237 Qingdao, China
| | - Niko Hildebrandt
- nanofret.com, Laboratoire Chimie Organique, Bioorganique, Réactivité et Analyse (COBRA), Université de Rouen Normandie, CNRS, INSA, 76821 Mont-Saint-Aignan Cedex, France
- Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CNRS, CEA, 91405 Orsay Cedex, France
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