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Mukhopadhyay T, Ghosh A, Datta A. Screening 2D Materials for Their Nanotoxicity toward Nucleic Acids and Proteins: An In Silico Outlook. ACS PHYSICAL CHEMISTRY AU 2024; 4:97-121. [PMID: 38560753 PMCID: PMC10979489 DOI: 10.1021/acsphyschemau.3c00053] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/04/2023] [Accepted: 11/06/2023] [Indexed: 04/04/2024]
Abstract
Since the discovery of graphene, two-dimensional (2D) materials have been anticipated to demonstrate enormous potential in bionanomedicine. Unfortunately, the majority of 2D materials induce nanotoxicity via disruption of the structure of biomolecules. Consequently, there has been an urge to synthesize and identify biocompatible 2D materials. Before the cytotoxicity of 2D nanomaterials is experimentally tested, computational studies can rapidly screen them. Additionally, computational analyses can provide invaluable insights into molecular-level interactions. Recently, various "in silico" techniques have identified these interactions and helped to develop a comprehensive understanding of nanotoxicity of 2D materials. In this article, we discuss the key recent advances in the application of computational methods for the screening of 2D materials for their nanotoxicity toward two important categories of abundant biomolecules, namely, nucleic acids and proteins. We believe the present article would help to develop newer computational protocols for the identification of novel biocompatible materials, thereby paving the way for next-generation biomedical and therapeutic applications based on 2D materials.
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Affiliation(s)
- Titas
Kumar Mukhopadhyay
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S.C. Mullick Road,
Jadavpur, Kolkata 700032, West Bengal, India
| | - Anupam Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S.C. Mullick Road,
Jadavpur, Kolkata 700032, West Bengal, India
| | - Ayan Datta
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A and 2B Raja S.C. Mullick Road,
Jadavpur, Kolkata 700032, West Bengal, India
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2
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Dirersa WB, Kan TC, Getachew G, Wibrianto A, Ochirbat S, Rasal A, Chang J, Chang JY. Preclinical Assessment of Enhanced Chemodynamic Therapy by an FeMnO x-Based Nanocarrier: Tumor-Microenvironment-Mediated Fenton Reaction and ROS-Induced Chemotherapeutic for Boosted Antitumor Activity. ACS APPLIED MATERIALS & INTERFACES 2023; 15:55258-55275. [PMID: 38013418 DOI: 10.1021/acsami.3c10733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
In recent studies, iron-containing Fenton nanocatalysts have demonstrated significant promise for clinical use due to their effective antitumor activity and low cytotoxicity. A new approach was reported in this work utilizing cation exchange synthesis to fabricate FeMnOx nanoparticles (NPs) that boost Fenton reactions and responses to the tumor microenvironment (TME) for chemodynamic therapy (CDT) and chemotherapy (CT). Within the TME, the redox metal pair of Fe2+/Mn2+ helps break down endogenous hydrogen peroxide (H2O2) into very harmful hydroxyl radicals (•OH) while simultaneously deactivating glutathione (GSH) to boost CDT performance. To further enhance the therapeutic potential, FeMnOx NPs were encapsulated with thioketal-linked camptothecin (CPT-TK-COOH), a reactive oxygen species (ROS)-responsive prodrug, achieving a high CPT-loading capacity of up to 51.1%. Upon ROS generation through the Fenton reaction, the prodrug TK linkage was disrupted, releasing 80% of the CPT payload within 48 h. Notably, FeMnOx@CPT exhibited excellent dual-modal imaging capabilities, enabling magnetic resonance and fluorescence imaging for image-guided therapy. In vitro studies showed the cytocompatibility of FeMnOx NPs using MDA-Mb-231 and 4T1 cells, but in the presence of H2O2, they induced significant cytotoxicity, resulting in 80% cell death through CDT and CT effects. Upon intravenous administration, FeMnOx@CPT displayed remarkable tumor accumulation, which enhanced tumor suppression in xenografts through improved CDT and CT effects. Moreover, no significant adverse effects were observed in the FeMnOx NP-treated animals. In the current study, the FeMnOx@CPT anticancer platform, with its boosted •OH-producing capability and ROS-cleavable drug release, has been validated utilizing in vitro and animal studies, suggesting its capacity as a viable strategy for clinical trials.
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Affiliation(s)
- Worku Batu Dirersa
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106335, Taiwan, Republic of China
| | - Tzu-Chun Kan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Girum Getachew
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106335, Taiwan, Republic of China
| | - Aswandi Wibrianto
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106335, Taiwan, Republic of China
| | - Sonjid Ochirbat
- International Master/Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Akash Rasal
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106335, Taiwan, Republic of China
| | - Jungshan Chang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- International Master/Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- International Ph.D. Program for Cell Therapy and Regeneration Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Jia-Yaw Chang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106335, Taiwan, Republic of China
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3
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Silva FALS, Chang HP, Incorvia JAC, Oliveira MJ, Sarmento B, Santos SG, Magalhães FD, Pinto AM. 2D Nanomaterials and Their Drug Conjugates for Phototherapy and Magnetic Hyperthermia Therapy of Cancer and Infections. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2306137. [PMID: 37963826 DOI: 10.1002/smll.202306137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/26/2023] [Indexed: 11/16/2023]
Abstract
Photothermal therapy (PTT) and magnetic hyperthermia therapy (MHT) using 2D nanomaterials (2DnMat) have recently emerged as promising alternative treatments for cancer and bacterial infections, both important global health challenges. The present review intends to provide not only a comprehensive overview, but also an integrative approach of the state-of-the-art knowledge on 2DnMat for PTT and MHT of cancer and infections. High surface area, high extinction coefficient in near-infra-red (NIR) region, responsiveness to external stimuli like magnetic fields, and the endless possibilities of surface functionalization, make 2DnMat ideal platforms for PTT and MHT. Most of these materials are biocompatible with mammalian cells, presenting some cytotoxicity against bacteria. However, each material must be comprehensively characterized physiochemically and biologically, since small variations can have significant biological impact. Highly efficient and selective in vitro and in vivo PTTs for the treatment of cancer and infections are reported, using a wide range of 2DnMat concentrations and incubation times. MHT is described to be more effective against bacterial infections than against cancer therapy. Despite the promising results attained, some challenges remain, such as improving 2DnMat conjugation with drugs, understanding their in vivo biodegradation, and refining the evaluation criteria to measure PTT or MHT effects.
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Affiliation(s)
- Filipa A L S Silva
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
| | - Hui-Ping Chang
- Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Jean Anne C Incorvia
- Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Maria J Oliveira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
| | - Bruno Sarmento
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- IUCS - CESPU, Rua Central de Gandra 1317, Gandra, 4585-116, Portugal
| | - Susana G Santos
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
| | - Fernão D Magalhães
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
| | - Artur M Pinto
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
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Li Q, Wu X, Mu S, He C, Ren X, Luo X, Adeli M, Han X, Ma L, Cheng C. Microenvironment Restruction of Emerging 2D Materials and their Roles in Therapeutic and Diagnostic Nano-Bio-Platforms. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207759. [PMID: 37129318 PMCID: PMC10369261 DOI: 10.1002/advs.202207759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/30/2023] [Indexed: 05/03/2023]
Abstract
Engineering advanced therapeutic and diagnostic nano-bio-platforms (NBPFs) have emerged as rapidly-developed pathways against a wide range of challenges in antitumor, antipathogen, tissue regeneration, bioimaging, and biosensing applications. Emerged 2D materials have attracted extensive scientific interest as fundamental building blocks or nanostructures among material scientists, chemists, biologists, and doctors due to their advantageous physicochemical and biological properties. This timely review provides a comprehensive summary of creating advanced NBPFs via emerging 2D materials (2D-NBPFs) with unique insights into the corresponding molecularly restructured microenvironments and biofunctionalities. First, it is focused on an up-to-date overview of the synthetic strategies for designing 2D-NBPFs with a cross-comparison of their advantages and disadvantages. After that, the recent key achievements are summarized in tuning the biofunctionalities of 2D-NBPFs via molecularly programmed microenvironments, including physiological stability, biocompatibility, bio-adhesiveness, specific binding to pathogens, broad-spectrum pathogen inhibitors, stimuli-responsive systems, and enzyme-mimetics. Moreover, the representative therapeutic and diagnostic applications of 2D-NBPFs are also discussed with detailed disclosure of their critical design principles and parameters. Finally, current challenges and future research directions are also discussed. Overall, this review will provide cutting-edge and multidisciplinary guidance for accelerating future developments and therapeutic/diagnostic applications of 2D-NBPFs.
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Affiliation(s)
- Qian Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Xizheng Wu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Shengdong Mu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Chao He
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Xiancheng Ren
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Xianglin Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Mohsen Adeli
- Department of Organic Chemistry, Faculty of Chemistry, Lorestan University, Khorramabad, 68137-17133, Iran
- Department of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
| | - Xianglong Han
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Lang Ma
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
| | - Chong Cheng
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610065, China
- Department of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
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5
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Sathyan B, Tomy AM, Pm N, Cyriac J. A facile strategy of using MoS 2 quantum dots for fluorescence-based targeted detection of nitrobenzene. RSC Adv 2023; 13:14614-14624. [PMID: 37188249 PMCID: PMC10177963 DOI: 10.1039/d3ra00912b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 04/26/2023] [Indexed: 05/17/2023] Open
Abstract
We present a simple approach for producing photoluminescent MoS2 quantum dots (QDs) using commercial MoS2 powder as a precursor along with NaOH and isopropanol. The synthesis method is particularly easy and environmentally friendly. The successful intercalation of Na+ ions into MoS2 layers and subsequent oxidative cutting reaction leads to the formation of luminescent MoS2 QDs. The present work, for the first time, shows the formation of MoS2 QDs without any additional energy source. The as-synthesized MoS2 QDs were characterized using microscopy and spectroscopy. The QDs have a few layer thicknesses and a narrow size distribution with an average diameter of ∼3.8 nm. Nitrobenzene (NB), an industrial chemical, is both toxic to human health and dangerously explosive. The present MoS2 QDs can be used as an effective photoluminescent probe, and a new turn-off sensor for NB detection. The selective quenching was operated via multiple mechanisms; electron transfer between the nitro group and MoS2 QDs through dynamic quenching and the primary inner filter effect (IFE). The quenching has a linear relationship with NB concentrations from 0.5 μM to 11 μM, with a calculated detection limit of 50 nM.
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Affiliation(s)
- Bhasha Sathyan
- Department of Chemistry, Indian Institute of Space Science and Technology Thiruvananthapuram Kerala 695 547 India
| | - Ann Mary Tomy
- Department of Chemistry, Indian Institute of Space Science and Technology Thiruvananthapuram Kerala 695 547 India
| | - Neema Pm
- Department of Chemistry, Indian Institute of Space Science and Technology Thiruvananthapuram Kerala 695 547 India
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram India
| | - Jobin Cyriac
- Department of Chemistry, Indian Institute of Space Science and Technology Thiruvananthapuram Kerala 695 547 India
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Construction of Direct Z-Scheme SnS 2 Quantum Dots/Conjugated Polyimide with Superior Photocarrier Separation for Enhanced Photocatalytic Performances. Polymers (Basel) 2022; 14:polym14245483. [PMID: 36559850 PMCID: PMC9782883 DOI: 10.3390/polym14245483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/06/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
In this study, a novel direct Z-scheme SnS2 quantum dots/sulfur-doped polyimide (SQDs/SPI) photocatalyst was firstly fabricated by an in situ crystallization growth of SnS2 quantum dots on sulfur-doped polyimide through a facile hydrothermal method. The photocatalytic hydrogen production activity of 5SQDs/SPI samples reached 3526 μmoL g-1 in the coexistence of triethanolamine and methanol used as hole sacrificial agents, which is about 13 times higher than that of SPI under the same conditions and 42 times higher than that of SPI only as a hole sacrificial agent. The improvement can be related to the direct Z-scheme charge transfer in the tight interface between SQDs and SPI, which promoted rapid separation and significantly prolonged the lifetime of photoexcited carriers. The Z-scheme charge transfer mechanism was proposed. This discovery comes up with a new strategy for the development of an efficient, environmentally friendly, and sustainable sulfide quantum dots/polymer non-noble metal photocatalyst.
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Behera P, Karunakaran S, Sahoo J, Bhatt P, Rana S, De M. Ligand Exchange on MoS 2 Nanosheets: Applications in Array-Based Sensing and Drug Delivery. ACS NANO 2022; 17:1000-1011. [PMID: 36482513 DOI: 10.1021/acsnano.2c06994] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Two-dimensional MoS2 nanosheets (2D-MoS2) have been widely used in many biological applications due to their distinctive physicochemical properties. Further, the development of surface modification using thiolated ligands allows us to use them for many specific applications. But the effect of possible ligand exchange on 2D-MoS2 has never been explored, which can play an important role in diverse biological applications. In this study, we have observed the ligand-exchange phenomenon on 2D-MoS2 in the presence of different thiolated ligands. The initial study proceeded with boron-dipyrromethene (BODIPY) functionalized MoS2 with different concentrations of glutathione (GSH), which is the most abundant thiol species in the cytoplasm of various cancer cells. It was found that in the presence of GSH the fluorescence of BODIPY can be regenerated, which is time and concentration dependent. We have also examined this phenomenon with different thiol ligands and transition-metal dichalcogenides (TMDs). We observed a variable rate of ligand exchange in different solvents, surface functionality, and receptor environments that helped us to construct sensor arrays. Interestingly, a ligand-exchange process was not observed in the presence of dithiols. Further, this concept was applied to a cancerous cell line for in vitro delivery. We found that BODIPY-functionalized 2D-MoS2 undergoes thiol exchange by intracellular GSH and subsequently enhanced the fluorescence in the cytoplasm of cancer cells. This strategy can be applied to the development of 2D-TMD-based materials for various biological applications related to ligand exchange.
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Affiliation(s)
- Pradipta Behera
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Subbaraj Karunakaran
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Jagabandhu Sahoo
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Preeti Bhatt
- Materials Research Centre, Indian Institute of Science, Bangalore 560012, India
| | - Subinoy Rana
- Materials Research Centre, Indian Institute of Science, Bangalore 560012, India
| | - Mrinmoy De
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
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Zhu H, Zan W, Chen W, Jiang W, Ding X, Li BL, Mu Y, Wang L, Garaj S, Leong DT. Defect-Rich Molybdenum Sulfide Quantum Dots for Amplified Photoluminescence and Photonics-Driven Reactive Oxygen Species Generation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2200004. [PMID: 35688799 DOI: 10.1002/adma.202200004] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 05/18/2022] [Indexed: 06/15/2023]
Abstract
Transition metal dichalcogenide (TMD) quantum dots (QDs) with defects have attracted interesting chemistry due to the contribution of vacancies to their unique optical, physical, catalytic, and electrical properties. Engineering defined defects into molybdenum sulfide (MoS2 ) QDs is challenging. Herein, by applying a mild biomineralization-assisted bottom-up strategy, blue photoluminescent MoS2 QDs (B-QDs) with a high density of defects are fabricated. The two-stage synthesis begins with a bottom-up synthesis of original MoS2 QDs (O-QDs) through chemical reactions of Mo and sulfide ions, followed by alkaline etching that creates high sulfur-vacancy defects to eventually form B-QDs. Alkaline etching significantly increases the photoluminescence (PL) and photo-oxidation. An increase in defect density is shown to bring about increased active sites and decreased bandgap energy; which is further validated with density functional theory calculations. There is strengthened binding affinity between QDs and O2 due to lower gap energy (∆EST ) between S1 and T1 , accompanied with improved intersystem crossing (ISC) efficiency. Lowered gap energy contributes to assist e- -h+ pair formation and the strengthened binding affinity between QDs and 3 O2 . Defect engineering unravels another dimension of material properties control and can bring fresh new applications to otherwise well characterized TMD nanomaterials.
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Affiliation(s)
- Houjuan Zhu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, Singapore, 138634, Singapore
- Centre for Advanced 2D Materials, Graphene Research Centre, National University of Singapore, Singapore, 117546, Singapore
| | - Wenyan Zan
- Institute of Molecular Science, Shanxi University, Taiyuan, 034000, P. R. China
| | - Wanli Chen
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Wenbin Jiang
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, Singapore, 138634, Singapore
| | - Xianguang Ding
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
| | - Bang Lin Li
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Yuewen Mu
- Institute of Molecular Science, Shanxi University, Taiyuan, 034000, P. R. China
| | - Lei Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Slaven Garaj
- Centre for Advanced 2D Materials, Graphene Research Centre, National University of Singapore, Singapore, 117546, Singapore
- Department of Physics, National University of Singapore, Singapore, 117542, Singapore
- Department of Biomedical Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117575, Singapore
| | - David Tai Leong
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
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Deore J, De M. Photoredox C(sp3)‐C(sp2) Cross‐Dehydrogenative Coupling of Xanthene with β‐keto moiety using MoS2 Quantum Dot (QD) Catalyst. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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10
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On the interface between biomaterials and two-dimensional materials for biomedical applications. Adv Drug Deliv Rev 2022; 186:114314. [PMID: 35568105 DOI: 10.1016/j.addr.2022.114314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 03/30/2022] [Accepted: 04/29/2022] [Indexed: 02/06/2023]
Abstract
Two-dimensional (2D) materials have garnered significant attention due to their ultrathin 2D structures with a high degree of anisotropy and functionality. Reliable manipulation of interfaces between 2D materials and biomaterials is a new frontier for biomedical nanoscience and combining biomaterials with 2D materials offers a promising way to fabricate innovative 2D biomaterials composites with distinct functionality for biomedical applications. Here, we focus exclusively on a summary of the current work in the interface investigation of 2D biomaterials. Specifically, we highlight extraordinary features that make 2D materials so desirable, as well as the molecular level interactions between 2D materials and biomaterials that have been studied thus far. Furthermore, the approaches for investigating the interface characteristics of 2D biomaterials are presented and described in depth. To capture the emerging trend in mass manufacturing of 2D materials, we review the research progress on biomaterial-assisted exfoliation. Finally, we present a critical assessment of newly developed 2D biomaterials in biomedical applications.
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11
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Adam J, Del Sorbo MR, Kaur J, Romano R, Singh M, Valadan M, Altucci C. Surface Interactions Studies of Novel Two-Dimensional Molybdenum Disulfide with Gram-Negative and Gram-Positive Bacteria. ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2070186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- Jaber Adam
- Laboratory of Bio-Nano-Photonics, Department of Physics “Ettore Pancini”, University of Naples “Federico II”, Naples, Italy
| | | | - Jasneet Kaur
- Laboratory of Bio-Nano-Photonics, Department of Physics “Ettore Pancini”, University of Naples “Federico II”, Naples, Italy
| | - Rocco Romano
- Department of Pharmacy, University of Salerno, Fisciano, Italy
| | - Manjot Singh
- Laboratory of Bio-Nano-Photonics, Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy
| | - Mohammadhassan Valadan
- Laboratory of Bio-Nano-Photonics, Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy
- Istituto Nazionale di Fisica Nucleare, Naples, Italy
| | - Carlo Altucci
- Laboratory of Bio-Nano-Photonics, Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy
- Istituto Nazionale di Fisica Nucleare, Naples, Italy
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12
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Size Effects in Single- and Few-Layer MoS2 Nanoflakes: Impact on Raman Phonons and Photoluminescence. NANOMATERIALS 2022; 12:nano12081330. [PMID: 35458038 PMCID: PMC9027366 DOI: 10.3390/nano12081330] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 04/06/2022] [Accepted: 04/07/2022] [Indexed: 02/01/2023]
Abstract
The high optical absorption and emission of bidimensional MoS2 are fundamental properties for optoelectronic and biodetection applications and the opportunity to retain these properties in high quality nano-sized flakes would bring further possibilities. Here, a large set of single-layer and few-layer (2–3 layers) MoS2 flakes with size in the range from 10 nm to 20 μm are obtained on sapphire by vapor deposition techniques and evaluated combining the information from the Raman phonons with photoluminescence (PL) and absorption bands. The flakes have triangular shape and are found to be progressively relaxed from the tensile strain imposed by the sapphire substrate as their size is reduced. An increasing hole doping as size decreases is deduced from the blue shift of the A1g phonon, related to charge transfer from adsorbed oxygen. No clear correlation is observed between defects density and size, therefore, doping would be favored by the preferential adsorption of oxygen at the edges of the flakes, being progressively more important as the edge/surface ratio is incremented. This hole doping also produces a shift of the PL band to higher energies, up to 60 meV. The PL intensity is not found to be correlated to the size but to the presence of defects. The trends with size for single-layer and for 2–3 layer samples are found to be similar and the synthesis method does not influence PL efficiency which remains high down to 40 nm being thus promising for nanoscale photonics.
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Lei Z, Guo B. 2D Material-Based Optical Biosensor: Status and Prospect. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2102924. [PMID: 34898053 PMCID: PMC8811838 DOI: 10.1002/advs.202102924] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 09/05/2021] [Indexed: 05/07/2023]
Abstract
The combination of 2D materials and optical biosensors has become a hot research topic in recent years. Graphene, transition metal dichalcogenides, black phosphorus, MXenes, and other 2D materials (metal oxides and degenerate semiconductors) have unique optical properties and play a unique role in the detection of different biomolecules. Through the modification of 2D materials, optical biosensor has the advantages that traditional sensors (such as electrical sensing) do not have, and the sensitivity and detection limit are greatly improved. Here, optical biosensors based on different 2D materials are reviewed. First, various detection methods of biomolecules, including surface plasmon resonance (SPR), fluorescence resonance energy transfer (FRET), and evanescent wave and properties, preparation and integration strategies of 2D material, are introduced in detail. Second, various biosensors based on 2D materials are summarized. Furthermore, the applications of these optical biosensors in biological imaging, food safety, pollution prevention/control, and biological medicine are discussed. Finally, the future development of optical biosensors is prospected. It is believed that with their in-depth research in the laboratory, optical biosensors will gradually become commercialized and improve people's quality of life in many aspects.
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Affiliation(s)
- Zong‐Lin Lei
- Key Lab of In‐Fiber Integrated Optics of Ministry of Education of ChinaHarbin Engineering UniversityHarbin150001China
| | - Bo Guo
- Key Lab of In‐Fiber Integrated Optics of Ministry of Education of ChinaHarbin Engineering UniversityHarbin150001China
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Sahu M, Narasimhan L, Raichur AM, Sover A, Ciobanu RC, Lucanu N, Aradoaei M. Improving Fracture Toughness of Tetrafunctional Epoxy with Functionalized 2D Molybdenum Disulfide Nanosheets. Polymers (Basel) 2021; 13:4440. [PMID: 34960991 PMCID: PMC8708359 DOI: 10.3390/polym13244440] [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: 11/03/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 11/16/2022] Open
Abstract
In this work, improved fracture toughness of tetra-functional epoxy polymer was obtained using two-dimensional (2H polytype) molybdenum disulfide (MoS2) nano-platelets as a filler. Simultaneous in-situ exfoliation and functionalization of MoS2 were achieved in the presence of cetyltrimethylammonium bromide (CTAB) via sonication. The aim was to improve the dispersion of MoS2 nanoplatelets in epoxy and enhance the interfacial interaction between nanoplatelets and epoxy matrix. Epoxy nanocomposites with CTAB functionalized MoS2 (f-MoS2) nanoplatelets, ranging in content from 0.1 wt% up to 1 wt%, were fabricated. Modified MoS2 improved the fracture properties (81%) of tetrafunctional epoxy nanocomposites. The flexural strength and compressive strength improved by 64% and 47%, respectively, with 0.25 wt% loading of f-MoS2 nanoplatelets compared to neat epoxy. The addition of f-MoS2 nanoplatelets enhanced the thermomechanical properties of epoxy. This work demonstrated the potential of organically modified MoS2 nanoplatelets for improving the fracture and thermal behavior of tetrafunctional epoxy nanocomposites.
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Affiliation(s)
- Megha Sahu
- Department of Materials Engineering, Indian Institute of Science, Bengaluru 560012, India; (M.S.); (L.N.)
| | - Lakshmi Narasimhan
- Department of Materials Engineering, Indian Institute of Science, Bengaluru 560012, India; (M.S.); (L.N.)
| | - Ashok M. Raichur
- Department of Materials Engineering, Indian Institute of Science, Bengaluru 560012, India; (M.S.); (L.N.)
| | - Alexandru Sover
- Department of Technology, Technical Faculty, Ansbach University of Applied Sciences, 91522 Ansbach, Germany;
| | - Romeo C. Ciobanu
- Department of Electrical Measurements and Materials, Faculty of Electrical Engineering, Technical University Gh. Asachi Iasi, 700050 Iasi, Romania; (R.C.C.); (N.L.); (M.A.)
| | - Nicolae Lucanu
- Department of Electrical Measurements and Materials, Faculty of Electrical Engineering, Technical University Gh. Asachi Iasi, 700050 Iasi, Romania; (R.C.C.); (N.L.); (M.A.)
| | - Mihaela Aradoaei
- Department of Electrical Measurements and Materials, Faculty of Electrical Engineering, Technical University Gh. Asachi Iasi, 700050 Iasi, Romania; (R.C.C.); (N.L.); (M.A.)
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Ma K, Liao C, Huang L, Liang R, Zhao J, Zheng L, Su W. Electrospun PCL/MoS 2 Nanofiber Membranes Combined with NIR-Triggered Photothermal Therapy to Accelerate Bone Regeneration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2104747. [PMID: 34647419 DOI: 10.1002/smll.202104747] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/20/2021] [Indexed: 06/13/2023]
Abstract
Electrospun nanofiber membranes have been widely used for guided bone regeneration (GBR). For assistance in bone healing, photothermal therapy which renders moderate heat stimulation to defect regions by near-infrared (NIR) light irradiation has attracted much attention in recent years. Combined with photothermal therapy, novel electrospun poly(ε-caprolactone)/molybdenum disulfide (PCL/MoS2 ) nanofiber membranes are innovatively synthesized as GBR for bone therapy, wherein the exfoliated MoS2 nanosheets served as osteogenic enhancers and NIR photothermal agents. With the doping of MoS2 , the mechanical properties of nanofiber membranes got improved with the degradation unaffected. The composite PCL/MoS2 membranes show enhanced cell growth and osteogenic performance compared with PCL alone. Under NIR-triggered mild photothermal therapy, osteogenesis and bone healing are accelerated by using PCL/MoS2 nanofiber membranes for growth of bone mesenchymal stem cells in vitro and repair of rat tibia bone defect in vivo. The novel nanofiber membranes may be developed as intelligent GBR in the therapy of bone defects.
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Affiliation(s)
- Ke Ma
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
- Guangxi Collaborative Innovation Center for Biomedicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Chuanan Liao
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
- Postdoctoral Mobile Station of Clinical Medicine, Guangxi Medical University, Nanning, Guangxi, 530021, China
- Pharmaceutical college, Guangxi Medical University, Nanning, 530021, China
| | - Lanli Huang
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
- Pharmaceutical college, Guangxi Medical University, Nanning, 530021, China
| | - Ruiming Liang
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
- Guangxi Collaborative Innovation Center for Biomedicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Jinmin Zhao
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
- Guangxi Collaborative Innovation Center for Biomedicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
- International Joint Laboratory on Regeneration of Bone and Soft Tissue, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Li Zheng
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
- Guangxi Collaborative Innovation Center for Biomedicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Wei Su
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
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Zhai W, Xiong T, He Z, Lu S, Lai Z, He Q, Tan C, Zhang H. Nanodots Derived from Layered Materials: Synthesis and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2006661. [PMID: 34212432 DOI: 10.1002/adma.202006661] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/01/2020] [Indexed: 06/13/2023]
Abstract
Layered 2D materials, such as graphene, transition metal dichalcogenides, transition metal oxides, black phosphorus, graphitic carbon nitride, hexagonal boron nitride, and MXenes, have attracted intensive attention over the past decades owing to their unique properties and wide applications in electronics, catalysis, energy storage, biomedicine, etc. Further reducing the lateral size of layered 2D materials down to less than 10 nm allows for preparing a new class of nanostructures, namely, nanodots derived from layered materials. Nanodots derived from layered materials not only can exhibit the intriguing properties of nanodots due to the size confinement originating from the ultrasmall size, but also can inherit some unique properties of ultrathin layered 2D materials, making them promising candidates in a wide range of applications, especially in biomedicine and catalysis. Here, a comprehensive summary on the materials categories, advantages, synthesis methods, and potential applications of these nanodots derived from layered materials is provided. Finally, personal insights about the challenges and future directions in this promising research field are also given.
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Affiliation(s)
- Wei Zhai
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Tengfei Xiong
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Zhen He
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Shiyao Lu
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Zhuangchai Lai
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Qiyuan He
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Chaoliang Tan
- Department of Electrical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, China
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Wang J, Sui L, Huang J, Miao L, Nie Y, Wang K, Yang Z, Huang Q, Gong X, Nan Y, Ai K. MoS 2-based nanocomposites for cancer diagnosis and therapy. Bioact Mater 2021; 6:4209-4242. [PMID: 33997503 PMCID: PMC8102209 DOI: 10.1016/j.bioactmat.2021.04.021] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 04/05/2021] [Accepted: 04/11/2021] [Indexed: 12/24/2022] Open
Abstract
Molybdenum is a trace dietary element necessary for the survival of humans. Some molybdenum-bearing enzymes are involved in key metabolic activities in the human body (such as xanthine oxidase, aldehyde oxidase and sulfite oxidase). Many molybdenum-based compounds have been widely used in biomedical research. Especially, MoS2-nanomaterials have attracted more attention in cancer diagnosis and treatment recently because of their unique physical and chemical properties. MoS2 can adsorb various biomolecules and drug molecules via covalent or non-covalent interactions because it is easy to modify and possess a high specific surface area, improving its tumor targeting and colloidal stability, as well as accuracy and sensitivity for detecting specific biomarkers. At the same time, in the near-infrared (NIR) window, MoS2 has excellent optical absorption and prominent photothermal conversion efficiency, which can achieve NIR-based phototherapy and NIR-responsive controlled drug-release. Significantly, the modified MoS2-nanocomposite can specifically respond to the tumor microenvironment, leading to drug accumulation in the tumor site increased, reducing its side effects on non-cancerous tissues, and improved therapeutic effect. In this review, we introduced the latest developments of MoS2-nanocomposites in cancer diagnosis and therapy, mainly focusing on biosensors, bioimaging, chemotherapy, phototherapy, microwave hyperthermia, and combination therapy. Furthermore, we also discuss the current challenges and prospects of MoS2-nanocomposites in cancer treatment.
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Affiliation(s)
- Jianling Wang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Lihua Sui
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Jia Huang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Lu Miao
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Yubing Nie
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Kuansong Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, 410078, China
- Department of Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| | - Zhichun Yang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Qiong Huang
- Department of Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Xue Gong
- Department of Radiology, The Second Hospital of Jilin University, Changchun, 130041, China
| | - Yayun Nan
- Geriatric Medical Center, Ningxia People's Hospital, Yinchuan, China
| | - Kelong Ai
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
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2D/2D MoS2/g-C3N4 layered heterojunctions with enhanced interfacial electron coupling effect. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115350] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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19
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Xu L, Zhang X, Wang Z, Haidry AA, Yao Z, Haque E, Wang Y, Li G, Daeneke T, McConville CF, Kalantar-Zadeh K, Zavabeti A. Low dimensional materials for glucose sensing. NANOSCALE 2021; 13:11017-11040. [PMID: 34152349 DOI: 10.1039/d1nr02529e] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Biosensors are essential components for effective healthcare management. Since biological processes occur on molecular scales, nanomaterials and nanosensors intrinsically provide the most appropriate landscapes for developing biosensors. Low-dimensional materials have the advantage of offering high surface areas, increased reactivity and unique physicochemical properties for efficient and selective biosensing. So far, nanomaterials and nanodevices have offered significant prospects for glucose sensing. Targeted glucose biosensing using such low-dimensional materials enables much more effective monitoring of blood glucose levels, thus providing significantly better predictive diabetes diagnostics and management. In this review, recent advances in using low dimensional materials for sensing glucose are summarized. Sensing fundamentals are discussed, as well as invasive, minimally-invasive and non-invasive sensing methods. The effects of morphological characteristics and size-dependent properties of low dimensional materials are explored for glucose sensing, and the key performance parameters such as selectivity, stability and sensitivity are also discussed. Finally, the challenges and future opportunities that low dimensional materials can offer for glucose sensing are outlined.
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Affiliation(s)
- Linling Xu
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China
| | - Xianfei Zhang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China
| | - Zhe Wang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China
| | - Azhar Ali Haidry
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China
| | - Zhengjun Yao
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China
| | - Enamul Haque
- School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Yichao Wang
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Geelong, VIC 3216, Australia
| | - Gang Li
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC, 3010 Australia.
| | - Torben Daeneke
- School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Chris F McConville
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Geelong, VIC 3216, Australia
| | - Kourosh Kalantar-Zadeh
- School of Chemical Engineering, University of New South Wales (UNSW), Kensington, NSW 2052, Australia.
| | - Ali Zavabeti
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC, 3010 Australia.
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Da Silva GH, Franqui LS, Petry R, Maia MT, Fonseca LC, Fazzio A, Alves OL, Martinez DST. Recent Advances in Immunosafety and Nanoinformatics of Two-Dimensional Materials Applied to Nano-imaging. Front Immunol 2021; 12:689519. [PMID: 34149731 PMCID: PMC8210669 DOI: 10.3389/fimmu.2021.689519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 05/10/2021] [Indexed: 01/10/2023] Open
Abstract
Two-dimensional (2D) materials have emerged as an important class of nanomaterials for technological innovation due to their remarkable physicochemical properties, including sheet-like morphology and minimal thickness, high surface area, tuneable chemical composition, and surface functionalization. These materials are being proposed for new applications in energy, health, and the environment; these are all strategic society sectors toward sustainable development. Specifically, 2D materials for nano-imaging have shown exciting opportunities in in vitro and in vivo models, providing novel molecular imaging techniques such as computed tomography, magnetic resonance imaging, fluorescence and luminescence optical imaging and others. Therefore, given the growing interest in 2D materials, it is mandatory to evaluate their impact on the immune system in a broader sense, because it is responsible for detecting and eliminating foreign agents in living organisms. This mini-review presents an overview on the frontier of research involving 2D materials applications, nano-imaging and their immunosafety aspects. Finally, we highlight the importance of nanoinformatics approaches and computational modeling for a deeper understanding of the links between nanomaterial physicochemical properties and biological responses (immunotoxicity/biocompatibility) towards enabling immunosafety-by-design 2D materials.
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Affiliation(s)
- Gabriela H. Da Silva
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
| | - Lidiane S. Franqui
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
- School of Technology, University of Campinas (Unicamp), Limeira, Brazil
| | - Romana Petry
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
- Center of Natural and Human Sciences, Federal University of ABC (UFABC), Santo Andre, Brazil
| | - Marcella T. Maia
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
| | - Leandro C. Fonseca
- NanoBioss Laboratory and Solid State Chemistry Laboratory (LQES), Institute of Chemistry, University of Campinas (Unicamp), Campinas, Brazil
| | - Adalberto Fazzio
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
- Center of Natural and Human Sciences, Federal University of ABC (UFABC), Santo Andre, Brazil
| | - Oswaldo L. Alves
- NanoBioss Laboratory and Solid State Chemistry Laboratory (LQES), Institute of Chemistry, University of Campinas (Unicamp), Campinas, Brazil
| | - Diego Stéfani T. Martinez
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
- School of Technology, University of Campinas (Unicamp), Limeira, Brazil
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Zhao Q, Wu D, Yin ZZ, Cai W, Zhou H, Kong Y. Fluorometric discrimination of tyrosine isomers based on the inner filter effect of chiral Au nanoparticles on MoS 2 quantum dots. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:2290-2296. [PMID: 33969836 DOI: 10.1039/d1ay00145k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A fluorescent chiral sensor is proposed based on the inner filter effect (IFE) of chiral Au nanoparticles (AuNPs) on MoS2 quantum dots (MoS2 QDs), which can be used for the discrimination of the isomers of tyrosine (Tyr). l-Tyrosine (l-Tyr) can induce obvious agglomeration of the chiral AuNPs, leading to an attenuated IFE of the chiral AuNPs and greatly restored fluorescence of the MoS2 QDs, and thus the enantioselective recognition of the Tyr isomers can be achieved. Also, l-Tyr but not d-Tyr induced agglomeration of the chiral AuNPs is confirmed by the larger association constant between l-Tyr and the chiral sensor.
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Affiliation(s)
- Qianqian Zhao
- Jiangsu Key Laboratory of Advanced Materials and Technology, Changzhou University, Changzhou 213164, China.
| | - Datong Wu
- Jiangsu Key Laboratory of Advanced Materials and Technology, Changzhou University, Changzhou 213164, China.
| | - Zheng-Zhi Yin
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Wenrong Cai
- Jiangsu Key Laboratory of Advanced Materials and Technology, Changzhou University, Changzhou 213164, China.
| | - Haifeng Zhou
- Jiangsu Key Laboratory of Advanced Materials and Technology, Changzhou University, Changzhou 213164, China.
| | - Yong Kong
- Jiangsu Key Laboratory of Advanced Materials and Technology, Changzhou University, Changzhou 213164, China.
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Rasouli HR, Kim J, Mehmood N, Sheraz A, Jo MK, Song S, Kang K, Kasirga TS. Electric-Field-Induced Reversible Phase Transitions in a Spontaneously Ion-Intercalated 2D Metal Oxide. NANO LETTERS 2021; 21:3997-4005. [PMID: 33881885 DOI: 10.1021/acs.nanolett.1c00735] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Electric field driven reversible phase transitions in two-dimensional (2D) materials are appealing for their potential in switching applications. Here, we introduce potassium intercalated MnO2 as an exemplary case. We demonstrate the synthesis of large-area single-crystal layered MnO2 via chemical vapor deposition as thin as 5 nm. These crystals are spontaneously intercalated by potassium ions during the synthesis. We showed that the charge transport in 2D K-MnO2 is dominated by motion of hydrated potassium ions in the interlayer space. Under a few volts bias, separation of potassium and the structural water leads to formation of different phases at the opposite terminals, and at larger biases K-MnO2 crystals exhibit reversible layered-to-spinel phase transition. These phase transitions are accompanied by electrical and optical changes in the material. We used the electric field driven ionic motion in K-MnO2 based devices to demonstrate the memristive capabilities of two terminal devices.
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Affiliation(s)
- Hamid Reza Rasouli
- Institute of Materials Science and Nanotechnology, Bilkent University UNAM, Ankara 06800, Turkey
| | - Jeongho Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Naveed Mehmood
- Institute of Materials Science and Nanotechnology, Bilkent University UNAM, Ankara 06800, Turkey
| | - Ali Sheraz
- Department of Physics, Bilkent University, Ankara 06800, Turkey
| | - Min-Kyung Jo
- Korea Research Institute of Standards & Science (KRISS), Daejeon 34113, Republic of Korea
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Seungwoo Song
- Korea Research Institute of Standards & Science (KRISS), Daejeon 34113, Republic of Korea
| | - Kibum Kang
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Talip Serkan Kasirga
- Institute of Materials Science and Nanotechnology, Bilkent University UNAM, Ankara 06800, Turkey
- Department of Physics, Bilkent University, Ankara 06800, Turkey
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A simple hydrothermal one-step synthesis of 3D-MoS2/rGO for the construction of sensitive enzyme-free hydrogen peroxide sensor. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105746] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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24
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Mahle R, Mandal D, Kumbhakar P, Chandra A, Tiwary CS, Banerjee R. A study of microbially fabricated bio-conjugated quantum dots for pico-molar sensing of H 2O 2 and glucose. Biomater Sci 2021; 9:157-166. [PMID: 33084629 DOI: 10.1039/d0bm01206h] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Quantum dots (QDs) as bio-detectors have been intensively explored owing to their size dependent optical properties and are still envisioned to be used in a plethora of biomedical and healthcare areas. However, the medical application of the biosensors demands the ultrasensitive detection of the analytes, which is usually limited for the conventional methods of colorimetric and fluorescence detection. The Fluorescence Resonance Energy Transfer (FRET) process, exploited by QDs, translates the close association between the analyte and the detector into optical properties and thus promises the effective detection of biomolecules. FRET based detection systems for biomolecules utilize surface-functionalized QDs which are usually modified post production using different organic groups. In this work, a novel protocol was formulated to produce bio-functionalized QDs with controlled chemical and optical characteristics. Here, we demonstrate the first-ever biological green synthesis of MoS2 QDs using Pseudomonas aeruginosa. The bio-functionalized QDs show green luminescence with a quantum yield of 42%, supporting their application as an optical sensor. These QDs are utilized to detect the pico-molar concentration of glucose, which makes them ideal for early diabetes detection and many biomedical applications. Also, the ability to sense pico-molar levels of H2O2 opens the path for its utilization in apprehending the plant signaling pathways under stress conditions.
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Affiliation(s)
- Reddhy Mahle
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, India.
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25
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Ménard-Moyon C, Bianco A, Kalantar-Zadeh K. Two-Dimensional Material-Based Biosensors for Virus Detection. ACS Sens 2020; 5:3739-3769. [PMID: 33226779 DOI: 10.1021/acssensors.0c01961] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Viral infections are one of the major causes of mortality and economic losses worldwide. Consequently, efficient virus detection methods are crucial to determine the infection prevalence. However, most detection methods face challenges related to false-negative or false-positive results, long response times, high costs, and/or the need for specialized equipment and staff. Such issues can be overcome by access to low-cost and fast response point-of-care detection systems, and two-dimensional materials (2DMs) can play a critical role in this regard. Indeed, the unique and tunable physicochemical properties of 2DMs provide many advantages for developing biosensors for viral infections with high sensitivity and selectivity. Fast, accurate, and reliable detection, even at early infection stages by the virus, can be potentially enabled by highly accessible surface interactions between the 2DMs and the analytes. High selectivity can be obtained by functionalization of the 2DMs with antibodies, nucleic acids, proteins, peptides, or aptamers, allowing for specific binding to a particular virus, viral fingerprints, or proteins released by the host organism. Multiplexed detection and discrimination between different virus strains are also feasible. In this Review, we present a comprehensive overview of the major advances of 2DM-based biosensors for the detection of viruses. We describe the main factors governing the efficient interactions between viruses and 2DMs, making them ideal candidates for the detection of viral infections. We also critically detail their advantages and drawbacks, providing insights for the development of future biosensors for virus detection. Lastly, we provide suggestions to stimulate research in the fast expanding field of 2DMs that could help in designing advanced systems for preventing virus-related pandemics.
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Affiliation(s)
- Cécilia Ménard-Moyon
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR3572, University of Strasbourg, ISIS, Strasbourg 67000, France
| | - Alberto Bianco
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR3572, University of Strasbourg, ISIS, Strasbourg 67000, France
| | - Kourosh Kalantar-Zadeh
- School of Chemical Engineering, University of New South Wales, Kensington, New South Wales 2052, Australia
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Yao G, Zhao D, Hong Y, Wu S, Liu D, Qiu M. Direct electron-beam patterning of monolayer MoS 2 with ice. NANOSCALE 2020; 12:22473-22477. [PMID: 33165481 DOI: 10.1039/d0nr05948j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Two-dimensional transition metal dichalcogenides (TMDCs) are considered strong competitors for next generation semiconductor materials. In this paper, we propose direct electron-beam patterning of monolayer MoS2 inspired by an emerging ice lithography technique. Compared to conventional resist-based nanofabrication, ice-assisted patterning is free of contaminations from polymer resist and allows in situ processing of MoS2. The effects of electron beam dose and energy are investigated and nanoribbons with width below 30 nm are attainable. This method is expected to be applicable also to other TMDCs, providing a promising alternative for nanofabrication of 2D material devices.
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Affiliation(s)
- Guangnan Yao
- College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China
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Xu B, Zhang Z, Zhang P, Wang L, Yuan R, Ju Z, Liu W. High-Yield Production of Water-Soluble MoS 2 Quantum Dots for Fe 3+ Detection and Cell Imaging. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2155. [PMID: 33137974 PMCID: PMC7692859 DOI: 10.3390/nano10112155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/25/2020] [Accepted: 10/26/2020] [Indexed: 11/16/2022]
Abstract
Uniform water-soluble MoS2 quantum dots (WS-MSQDs) were synthesized via a sequential combination of sintering/etching/exfoliation method and solvothermal route. The obtained WS-MSQDs with average size of approximately 3.4 nm exhibited sufficient water solubility and remarkable fluorescence properties. The WS-MSQDs were utilized as a probe for detection of Fe3+ ions with high selectivity and specificity. Furthermore, the WS-MSQDs exhibited high fluorescence stability under different conditions. Finally, the WS-MSQDs were successfully applied for the fluorescence imaging of Fe3+ in living cells, which exhibited practical potential for biomedical applications.
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Affiliation(s)
- Benhua Xu
- Chemical Engineering College, Qinghai University, Xining 810016, China; (B.X.); (Z.Z.); (R.Y.)
| | - Zhiqi Zhang
- Chemical Engineering College, Qinghai University, Xining 810016, China; (B.X.); (Z.Z.); (R.Y.)
| | - Peng Zhang
- Qinghai Provincial Engineering Research Center of High-Performance Light Metal Alloys and Forming, Qinghai Provincial Key Laboratory of New Light Alloys, Qinghai University, Xining 810016, China
| | - Li Wang
- College of Chemistry and Chemical Engineering, Xi’ an Shiyou University, Xi’an 710065, China;
| | - Rui Yuan
- Chemical Engineering College, Qinghai University, Xining 810016, China; (B.X.); (Z.Z.); (R.Y.)
| | - Zhenghua Ju
- Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province and State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China;
| | - Weisheng Liu
- Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province and State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China;
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28
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Recent advances on TMDCs for medical diagnosis. Biomaterials 2020; 269:120471. [PMID: 33160702 DOI: 10.1016/j.biomaterials.2020.120471] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 09/30/2020] [Accepted: 10/18/2020] [Indexed: 02/07/2023]
Abstract
Transition metal dichalcogenides (TMDCs), such as MoS2 and WS2, have attracted much attention in biosensing and bioimaging due to its excellent stability, biocompatibility, high specific surface area, and wide varieties. In this review, we overviewed the application of TMDCs in biosensing and bioimaging. Firstly, the synthesis methods and surface functionalization methods of TMDCs were summarized. Secondly, according to the working mechanism, we classified and gave a detailed account of the latest research progress of TMDC-based biosensing for the detection of the enzyme, DNA, and other biological molecules. Then, we outlined the recent progress of applying TMDCs in bio-imaging, including fluorescence, X-ray computed tomographic, magnetic response imaging, photographic and multimodal imaging, respectively. Finally, we discussed the future challenges and development direction of the application of TMDCs in medical diagnosis. Also, we put forward our view on the opportunity of TMDCs in the big data of modern medical diagnosis.
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Wang H, Li S, Wan Q, Su X, Song T, Wang X, Wang J. Highly efficient solution exfoliation of few-layer molybdenum disulfide nanosheets for photocatalytic hydrogen evolution. J Colloid Interface Sci 2020; 577:38-47. [DOI: 10.1016/j.jcis.2020.05.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 05/04/2020] [Accepted: 05/10/2020] [Indexed: 01/03/2023]
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30
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Ge J, Hu Y, Deng R, Li Z, Zhang K, Shi M, Yang D, Cai R, Tan W. Highly Sensitive MicroRNA Detection by Coupling Nicking-Enhanced Rolling Circle Amplification with MoS2 Quantum Dots. Anal Chem 2020; 92:13588-13594. [DOI: 10.1021/acs.analchem.0c03405] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jia Ge
- College of Chemistry, Green Catalysis Center, School of Pharmaceutical Sciences, Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Yun Hu
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
| | - Ruijie Deng
- College of Biomass Science and Engineering, Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610065, China
| | - Zhaohui Li
- College of Chemistry, Green Catalysis Center, School of Pharmaceutical Sciences, Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Kaixiang Zhang
- College of Chemistry, Green Catalysis Center, School of Pharmaceutical Sciences, Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Muling Shi
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, College of Material Science and Engineering, and Collaborative Research Center of Molecular Engineering for Theranostics, Hunan University, Changsha 410082, China
| | - Dan Yang
- Centre of Translational Atomaterials, Faculty of Science, Engineering and Technology, Swinburne University of Technology, P.O. Box 218, Hawthorn 3122, Australia
| | - Ren Cai
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, College of Material Science and Engineering, and Collaborative Research Center of Molecular Engineering for Theranostics, Hunan University, Changsha 410082, China
| | - Weihong Tan
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, College of Material Science and Engineering, and Collaborative Research Center of Molecular Engineering for Theranostics, Hunan University, Changsha 410082, China
- Institute of Molecular Medicine, Renji Hospital, Shanghai Jiao Tong University School of Medicine, and College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Foundation for Applied Molecular Evolution, 13709 Progress Boulevard, Alachua, Florida 32615, United States
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31
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Feng S, Lv J, Pei F, Lv X, Wu Y, Hao Q, Zhang Y, Tong Z, Lei W. Fluorescent MoS 2 QDs based on IFE for turn-off determination of FOX-7 in real water samples. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 231:118131. [PMID: 32062514 DOI: 10.1016/j.saa.2020.118131] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/29/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
A novel method for turn-off sensing 1,1-diamino-2,2-dinitroethylene (FOX-7) in aqueous medium was first proposed based on the inner filter effect (IFE) of FOX-7 on the fluorescence of molybdenum disulfide quantum dots (MoS2 QDs). Water-soluble MoS2 QDs as the fluorophore were prepared by the simple hydrothermal method. The morphology, structure, composition and optical properties of the prepared MoS2 QDs were characterized by Transmission electron microscopy (TEM), Fourier transform infrared (FT-IR), X-ray photoelectron spectroscopy (XPS), UV-vis absorption and photoluminescence spectra. The results showed that the MoS2 QDs had good water dispersibility and emitted strong photoluminescence with a particle size of 2 nm. Under the optimal experimental conditions, the fluorescence signal of MoS2 QDs was quenched in the concentrations range of FOX-7 (0.5-100 μM) and the limit of detection (LOD) of the sensor was 0.19 μM. The method had been applied to analyze the real water samples with good selectivity and stability. Moreover, the quenching mechanism was studied systematically by the Fourier transform infrared (FT-IR), UV-vis absorption spectra, fluorescence lifetime, and Stern-Volmer equation, which had been proved to be static quenching. The fluorescence quenching mechanism is mainly IFE and electron transfer.
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Affiliation(s)
- Shasha Feng
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Jingjing Lv
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Fubin Pei
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Xuchu Lv
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yi Wu
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Qingli Hao
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yuehua Zhang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China
| | - Zhaoyang Tong
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China.
| | - Wu Lei
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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32
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Ghasemian MB, Daeneke T, Shahrbabaki Z, Yang J, Kalantar-Zadeh K. Peculiar piezoelectricity of atomically thin planar structures. NANOSCALE 2020; 12:2875-2901. [PMID: 31984979 DOI: 10.1039/c9nr08063e] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The emergence of piezoelectricity in two-dimensional (2D) materials has represented a milestone towards employing low-dimensional structures for future technologies. 2D piezoelectric materials possess unique and unprecedented characteristics that cannot be found in other morphologies; therefore, the applications of piezoelectricity can be substantially extended. By reducing the thickness into the 2D realm, piezoelectricity might be induced in otherwise non-piezoelectric materials. The origin of the enhanced piezoelectricity in such thin planes is attributed to the loss of centrosymmetry, altered carrier concentration, and change in local polarization and can be efficiently tailored via surface modifications. Access to such materials is important from a fundamental research point of view, to observe the extraordinary interactions between free charge carriers, phonons and photons, and also with respect to device development, for which planar structures provide the required compatibility with the large-scale fabrication technologies of integrated circuits. The existence of piezoelectricity in 2D materials presents great opportunities for applications in various fields of electronics, optoelectronics, energy harvesting, sensors, actuators and biotechnology. Additionally, 2D flexible nanostructures with superior piezoelectric properties are distinctive candidates for integration into nano-scale electromechanical systems. Here we fundamentally review the state of the art of 2D piezoelectric materials from both experimental and theoretical aspects and report the recent achievements in the synthesis, characterization and applications of these materials.
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Affiliation(s)
- Mohammad B Ghasemian
- School of Chemical Engineering, University of New South Wales (UNSW), Sydney Campus, NSW 2052, Australia.
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33
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Gerkman MA, Lee JK, Li X, Zhang Q, Windley M, Fonseca MV, Lu Y, Warner JH, Han GGD. Direct Imaging of Individual Molecular Binding to Clean Nanopore Edges in 2D Monolayer MoS 2. ACS NANO 2020; 14:153-165. [PMID: 31747249 DOI: 10.1021/acsnano.9b06061] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We use annular dark-field scanning transmission electron microscopy (ADF-STEM) to study how solution-deposited molecules bind to the edges and surface regions around nanopores in MoS2 monolayers. Nanopores with clean atomically flat edges and controllable mean diameter were generated by time-dependent large-area electron beam exposure during an in situ heating process, ready for subsequent molecular attachment. An organic molecule was designed to have a dithiolane end group that binds to Mo-terminated sites and a ligand structure that incorporates a single transition metal atom (Pt) marker for ADF-STEM detection. Pt atoms were used to track molecular binding around zigzag edges of MoS2 and to predict the orientations and conformations of molecules upon binding. We found that the molecules preferred to reside on the surface of the MoS2, pointing inward when attaching to the edge, rather than dangling out from the edge into free space, which is attributed to van der Waals interactions between the aromatic core of the molecule and the MoS2 basal planes. These results help us understand the way solution-deposited single molecules attach to free-standing edges of 2D crystals and the influence of van der Waals forces in guiding molecular binding.
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Affiliation(s)
- Mihael A Gerkman
- Department of Chemistry , Brandeis University , 415 South Street , Waltham , Massachusetts 02453 , United States
| | - Ja Kyung Lee
- Department of Materials , University of Oxford , 16 Parks Road , Oxford , OX1 3PH , United Kingdom
| | - Xiang Li
- Department of Chemistry , Brandeis University , 415 South Street , Waltham , Massachusetts 02453 , United States
| | - Qianyang Zhang
- Department of Materials , University of Oxford , 16 Parks Road , Oxford , OX1 3PH , United Kingdom
| | - Maurice Windley
- Department of Chemistry , Brandeis University , 415 South Street , Waltham , Massachusetts 02453 , United States
| | - Maria V Fonseca
- Department of Chemistry , Brandeis University , 415 South Street , Waltham , Massachusetts 02453 , United States
| | - Yang Lu
- Department of Materials , University of Oxford , 16 Parks Road , Oxford , OX1 3PH , United Kingdom
| | - Jamie H Warner
- Department of Materials , University of Oxford , 16 Parks Road , Oxford , OX1 3PH , United Kingdom
| | - Grace G D Han
- Department of Chemistry , Brandeis University , 415 South Street , Waltham , Massachusetts 02453 , United States
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34
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Ren B, Wang Y, Ou JZ. Engineering two-dimensional metal oxides via surface functionalization for biological applications. J Mater Chem B 2020; 8:1108-1127. [DOI: 10.1039/c9tb02423a] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Schematic illustration of 2D MO nanosheets for applications in biosystems.
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Affiliation(s)
- Baiyu Ren
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
- School of Resources and Environmental Engineering
| | - Yichao Wang
- School of Engineering
- RMIT University
- Melbourne
- Australia
| | - Jian Zhen Ou
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
- School of Engineering
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35
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Tang K, Wang L, Geng H, Qiu J, Cao H, Liu X. Molybdenum disulfide (MoS2) nanosheets vertically coated on titanium for disinfection in the dark. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2017.12.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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36
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Wang B, Cao JT, Liu YM. Recent progress of heterostructure-based photoelectrodes in photoelectrochemical biosensing: a mini review. Analyst 2020; 145:1121-1128. [DOI: 10.1039/c9an02448d] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The heterostructure photoelectrodes have witted the rapid development to improve the performance of PEC biosensors recently.
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Affiliation(s)
- Bing Wang
- College of Chemistry and Chemical Engineering
- Institute for Conservation and Utilization of Agro-bioresources in Dabie Mountains
- Xinyang Normal University
- Xinyang 464000
- China
| | - Jun-Tao Cao
- College of Chemistry and Chemical Engineering
- Institute for Conservation and Utilization of Agro-bioresources in Dabie Mountains
- Xinyang Normal University
- Xinyang 464000
- China
| | - Yan-Ming Liu
- College of Chemistry and Chemical Engineering
- Institute for Conservation and Utilization of Agro-bioresources in Dabie Mountains
- Xinyang Normal University
- Xinyang 464000
- China
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37
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Zhu X, Ding R, Wang Z, Wang Y, Guo X, Song Z, Wang Z, Dong M. Recent advances in synthesis and biosensors of two-dimensional MoS 2. NANOTECHNOLOGY 2019; 30:502004. [PMID: 31505472 DOI: 10.1088/1361-6528/ab42fe] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Two-dimensional (2D) transition metal dichalcogenides (TMDCs) have attracted tremendous research interests due to their exciting optical properties, large surface area, intercalatable morphologies and excellent electrochemically catalytic activity. Acting as the most typical member in TMDCs family, layer-dependent molybdenum disulfide (MoS2) with particular direct bandgap of 1.8 eV in monolayer has been widely applied in various biosensors with high sensitivity and selectivity. In this review, the preparation methods of MoS2, together with MoS2-based biosensors for detecting cells and biomolecules (such as glucose, DNA and antigens) would be summarized. In addition, the current challenges and future perspectives are outlined for the applications of biosensors based on 2D MoS2.
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Affiliation(s)
- Xiaona Zhu
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
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38
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Jannat A, Haque F, Xu K, Zhou C, Zhang BY, Syed N, Mohiuddin M, Messalea KA, Li X, Gras SL, Wen X, Fei Z, Haque E, Walia S, Daeneke T, Zavabeti A, Ou JZ. Exciton-Driven Chemical Sensors Based on Excitation-Dependent Photoluminescent Two-Dimensional SnS. ACS APPLIED MATERIALS & INTERFACES 2019; 11:42462-42468. [PMID: 31622081 DOI: 10.1021/acsami.9b12843] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Excitation wavelength-dependent photoluminescence (PL) in two-dimensional (2D) transition-metal chalcogenides enables a strong excitonic interaction for high-performance chemical and biological sensing applications. In this work, we explore the possible candidates in the domain of post-transition-metal chalcogenides. Few-layered 2D p-type tin monosulfide (SnS) nanoflakes with submicrometer lateral dimensions are synthesized from the liquid phase exfoliation of bulk crystals. Excitation wavelength-dependent PL is found, and the excitonic radiative lifetime is more than one order enhanced compared to that of the bulk counterpart because of the quantum confinement effect. Paramagnetic NO2 gas is selected as a representative to investigate the exciton-driven chemical-sensing properties of 2D SnS. Physisorption of NO2 results in the formation of dipoles on the surface of 2D SnS, causing the redistribution of photoexcited charges in the body and therefore modifying PL properties. For practical sensing applications, 2D SnS is integrated into a resistive transducing platform. Under light irradiation, the sensor exhibits excellent sensitivity and selectivity to NO2 at a relatively low operating temperature of 60 °C. The limit of detection is 17 parts per billion (ppb), which is significantly improved over other previously reported 2D p-type semiconductor-based NO2 sensors.
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Affiliation(s)
- Azmira Jannat
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Farjana Haque
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Kai Xu
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Chunhua Zhou
- Centre for Micro-Photonics, Faculty of Science, Engineering and Technology , Swinburne University of Technology , Melbourne , Victoria 3122 , Australia
| | - Bao Yue Zhang
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Nitu Syed
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Md Mohiuddin
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Kibret A Messalea
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Xu Li
- The Bio21 Molecular Science and Biotechnology Institute, Department of Chemical Engineering , The University of Melbourne , Parkville , Victoria 3010 , Australia
| | - Sally L Gras
- The Bio21 Molecular Science and Biotechnology Institute, Department of Chemical Engineering , The University of Melbourne , Parkville , Victoria 3010 , Australia
| | - Xiaoming Wen
- Centre for Micro-Photonics, Faculty of Science, Engineering and Technology , Swinburne University of Technology , Melbourne , Victoria 3122 , Australia
| | - Zhengdong Fei
- College of Material Science and Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Enamul Haque
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Sumeet Walia
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Torben Daeneke
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Ali Zavabeti
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
| | - Jian Zhen Ou
- School of Engineering , RMIT University , Melbourne , Victoria 3000 , Australia
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39
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Lei L, Huang D, Zeng G, Cheng M, Jiang D, Zhou C, Chen S, Wang W. A fantastic two-dimensional MoS2 material based on the inert basal planes activation: Electronic structure, synthesis strategies, catalytic active sites, catalytic and electronics properties. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213020] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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40
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Reynolds MF, Guimarães MHD, Gao H, Kang K, Cortese AJ, Ralph DC, Park J, McEuen PL. MoS 2 pixel arrays for real-time photoluminescence imaging of redox molecules. SCIENCE ADVANCES 2019; 5:eaat9476. [PMID: 31723596 PMCID: PMC6839941 DOI: 10.1126/sciadv.aat9476] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 09/17/2019] [Indexed: 05/22/2023]
Abstract
Measuring the behavior of redox-active molecules in space and time is crucial for understanding chemical and biological systems and for developing new technologies. Optical schemes are noninvasive and scalable, but usually have a slow response compared to electrical detection methods. Furthermore, many fluorescent molecules for redox detection degrade in brightness over long exposure times. Here, we show that the photoluminescence of "pixel" arrays of monolayer MoS2 can image spatial and temporal changes in redox molecule concentration. Because of the strong dependence of MoS2 photoluminescence on doping, changes in the local chemical potential substantially modulate the photoluminescence of MoS2, with a sensitivity of 0.9 mV / Hz on a 5 μm × 5 μm pixel, corresponding to better than parts-per-hundred changes in redox molecule concentration down to nanomolar concentrations at 100-ms frame rates. This provides a new strategy for visualizing chemical reactions and biomolecules with a two-dimensional material screen.
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Affiliation(s)
- M. F. Reynolds
- Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY, USA
| | - M. H. D. Guimarães
- Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY, USA
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, NY, USA
| | - H. Gao
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, USA
- Department of Chemistry, Institute for Molecular Engineering, and James Franck Institute, University of Chicago, Chicago, IL, USA
| | - K. Kang
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, USA
- Department of Chemistry, Institute for Molecular Engineering, and James Franck Institute, University of Chicago, Chicago, IL, USA
| | - A. J. Cortese
- Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY, USA
| | - D. C. Ralph
- Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY, USA
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, NY, USA
| | - J. Park
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, NY, USA
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, USA
- Department of Chemistry, Institute for Molecular Engineering, and James Franck Institute, University of Chicago, Chicago, IL, USA
| | - P. L. McEuen
- Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY, USA
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, NY, USA
- Corresponding author.
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41
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Watanabe K, Baba T. Enhanced pH sensitivity in photoluminescence of GaInAsP semiconductor photonic crystal slab. OPTICS EXPRESS 2019; 27:24978-24988. [PMID: 31510378 DOI: 10.1364/oe.27.024978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 08/05/2019] [Indexed: 06/10/2023]
Abstract
Semiconductor ion sensors that respond to the surface electric charge in a solution are used for chemical and biological sensing. Photonic sensors exploiting such a response in the photoluminescence intensity enable a simple system consisting only of a photopump source and a photodiode; however, their sensitivity is usually lower than that of electric sensors, such as ion-sensitive field-effect transistors. This study employed a GaInAsP semiconductor honeycomb photonic crystal slab as a photonic sensor structure and obtained a high ion sensitivity. The surface recombination, which is the origin of the ion sensitivity, was enhanced by increasing the surface-to-volume ratio and moderately suppressing the photopump level. Nevertheless, a sufficient signal-to-noise ratio was maintained by improving the light extraction efficiency. Moreover, a high pH sensitivity of 0.27 dB/pH, which is six times that without photonic crystals, was obtained and resulted in a pH resolution of 0.011 at pH ∼7 comparable with that of electric sensors.
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42
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“Bottom-up” preparation of MoS2 quantum dots for tumor imaging and their in vivo behavior study. Biochem Biophys Res Commun 2019; 516:1090-1096. [DOI: 10.1016/j.bbrc.2019.06.162] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 06/30/2019] [Indexed: 12/17/2022]
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43
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Urbanová V, Pumera M. Biomedical and bioimaging applications of 2D pnictogens and transition metal dichalcogenides. NANOSCALE 2019; 11:15770-15782. [PMID: 31424462 DOI: 10.1039/c9nr04658e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Multifunctional platforms will play a key role and gain more prominence in the field of personalized healthcare worldwide in the near future due to the ever-increasing number of patients suffering from cancer. Along with the development of efficient techniques for cancer treatment, a considerable effort should be devoted toward the exploration of an emerging class of materials with unique properties that might be beneficial in this context. Currently, 2D post-carbon materials, such as pnictogens (phosphorene, antimonene), transition metal dichalcogenides, and boron nitride, have become popular due to their efficient photothermal behavior, drug-loading capability, and low toxicity. This review underlines the recent progresses made in the abovementioned 2D materials for photothermal/photodynamic cancer therapies and their applicability in bioimaging applications.
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Affiliation(s)
- Veronika Urbanová
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic.
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44
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Tan E, Li BL, Ariga K, Lim CT, Garaj S, Leong DT. Toxicity of Two-Dimensional Layered Materials and Their Heterostructures. Bioconjug Chem 2019; 30:2287-2299. [PMID: 31381854 DOI: 10.1021/acs.bioconjchem.9b00502] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Two-dimensional layered materials (2D LMs) are taking the scientific world by storm. Graphene epitomizes 2D LMs with many interesting properties and corresponding applications. Following the footsteps of graphene, many other types of 2D LMs such as transition metal dichalcogenides, black phosphorus, and graphitic-phase C3N4 nanosheets are emerging to be equally interesting as graphene and its derivatives. Some of these applications such as nanomedicine do have a high probability of human exposure. This review focuses on the biological and toxicity effects of 2D LMs and their associated mechanisms linking their chemistries to their biological end points. This review aims to help researchers to predict and mitigate any toxic effects. With understanding, redesign of newer and safer 2D LMs becomes possible.
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Affiliation(s)
- Eveline Tan
- Department of Chemical & Biomolecular Engineering , National University of Singapore , Singapore 117585 , Singapore
| | - Bang Lin Li
- Department of Chemical & Biomolecular Engineering , National University of Singapore , Singapore 117585 , Singapore.,School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , P. R. China
| | - Katsuhiko Ariga
- WPI-MANA , National Institute for Materials Science (NIMS) , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan.,Department of Advanced Materials Science, Graduate School of Frontier Sciences , The University of Tokyo , 5-1-5 Kashiwanoha , Kashiwa , Chiba 277-8561 , Japan
| | - Chwee-Teck Lim
- Department of Physics , National University of Singapore , Singapore 117542 , Singapore.,Department of Biomedical Engineering , National University of Singapore , Singapore 117575 , Singapore.,Centre for Advanced 2D Materials , Graphene Research Centre , Singapore 117546 , Singapore.,NUS Graduate School for Integrative Sciences and Engineering , National University of Singapore , Singapore 117456 , Singapore.,Mechanobiology Institute , National University of Singapore , Singapore 117411 , Singapore
| | - Slaven Garaj
- Department of Physics , National University of Singapore , Singapore 117542 , Singapore.,Department of Biomedical Engineering , National University of Singapore , Singapore 117575 , Singapore.,Centre for Advanced 2D Materials , Graphene Research Centre , Singapore 117546 , Singapore
| | - David Tai Leong
- Department of Chemical & Biomolecular Engineering , National University of Singapore , Singapore 117585 , Singapore.,NUS Graduate School for Integrative Sciences and Engineering , National University of Singapore , Singapore 117456 , Singapore
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45
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Shu Y, Zhang W, Cai H, Yang Y, Yu X, Gao Q. Expanding the interlayers of molybdenum disulfide toward the highly sensitive sensing of hydrogen peroxide. NANOSCALE 2019; 11:6644-6653. [PMID: 30896013 DOI: 10.1039/c9nr00333a] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Expandable interlayers in two-dimensional (2D) transition metal dichalcogenides enable the regulation of physicochemical properties toward boosted applications. Herein, interlayer-expanded MoS2 (IE-MoS2) was designed as a sensitive electrochemical biosensor for H2O2via a one-step hydrothermal process employing excessive thiourea. This facile fabrication successfully avoids the complicated manipulations in conventional exfoliation-resembling strategies. The as-obtained IE-MoS2 features an expanded interlayer-spacing of 9.40 Å and metallic electronic configurations. Thereby, it possesses good conductivity and more importantly enhanced binding with the *OH intermediate, accomplishing a fast kinetics of H2O2 reduction (H2O2 + 2e- → 2OH-) and consequently a sensitive response in electrochemical H2O2 sensing. The optimal IE-MoS2 affords a high sensitivity (1706.0 μA mM-1 cm-2) and a low detection limit (0.2 μM), outperforming the non-expanded MoS2 (738.0 μA mM-1 cm-2, 1.0 μM) and most of the previously reported materials free from enzymes. Moreover, it performs well in real samples and in the presence of various interfering substances and can be used to measure the intracellular H2O2 amount of cancer cells; this suggests the possible applications of IE-MoS2 in real-time monitoring, clinical diagnosis and pathophysiology. This study will inspire the rational design of 2D sensing materials via regulation of their interlayer chemistry.
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Affiliation(s)
- Yijin Shu
- College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China.
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46
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Zhao Q. Tunable Excitation-Dependent Photoluminescences Using Energy Gap Regulating Photogenerated Electrons Injection Rate from Excited TiO2 Nanoparticles to MoS2 Nanosheets. RUSS J APPL CHEM+ 2019. [DOI: 10.1134/s1070427218120133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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47
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Ren G, Zhang BY, Yao Q, Zavabeti A, Huertas CS, Brkljača R, Khan MW, Nili H, Datta RS, Khan H, Jannat A, Walia S, Haque F, O'Dell LA, Wang Y, Zhu L, Mitchell A, Ou JZ. An Ultrasensitive Silicon Photonic Ion Sensor Enabled by 2D Plasmonic Molybdenum Oxide. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1805251. [PMID: 30677221 DOI: 10.1002/smll.201805251] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Indexed: 06/09/2023]
Abstract
Silicon photonics has demonstrated great potential in ultrasensitive biochemical sensing. However, it is challenging for such sensors to detect small ions which are also of great importance in many biochemical processes. A silicon photonic ion sensor enabled by an ionic dopant-driven plasmonic material is introduced here. The sensor consists of a microring resonator (MRR) coupled with a 2D restacked layer of near-infrared plasmonic molybdenum oxide. When the 2D plasmonic layer interacts with ions from the environment, a strong change in the refractive index results in a shift in the MRR resonance wavelength and simultaneously the alteration of plasmonic absorption leads to the modulation of MRR transmission power, hence generating dual sensing outputs which is unique to other optical ion sensors. Proof-of-concept via a pH sensing model is demonstrated, showing up to 7 orders improvement in sensitivity per unit area across the range from 1 to 13 compared to those of other optical pH sensors. This platform offers the unique potential for ultrasensitive and robust measurement of changes in ionic environment, generating new modalities for on-chip chemical sensors in the micro/nanoscale.
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Affiliation(s)
- Guanghui Ren
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
| | - Bao Yue Zhang
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
| | - Qifeng Yao
- Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science & Technology University, Beijing, 100192, China
| | - Ali Zavabeti
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, 29 Jiangjun Ave., Nanjing, 211100, Nanjing, China
| | - Cesar S Huertas
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
| | - Robert Brkljača
- School of Science, RMIT University, Melbourne, VIC, 3001, Australia
| | | | - Hussein Nili
- Department of Electrical and Computer Engineering, University of California Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Robi S Datta
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
| | - Hareem Khan
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
| | - Azmira Jannat
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
| | - Sumeet Walia
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
| | - Farjana Haque
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
| | - Luke A O'Dell
- Institute for Frontier Materials, Deakin University, Geelong, VIC, 3220, Australia
| | - Yichao Wang
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC, 3220, Australia
| | - Lianqing Zhu
- Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science & Technology University, Beijing, 100192, China
| | - Arnan Mitchell
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
| | - Jian Zhen Ou
- School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia
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48
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Swaminathan H, Balasurbamanian K. Design of “turn-ON and turn-OFF” fluorescence switching based photonic logic gates through multiple input-output models by MoS2 quantum dots. J Colloid Interface Sci 2019; 540:258-264. [DOI: 10.1016/j.jcis.2019.01.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 12/31/2018] [Accepted: 01/02/2019] [Indexed: 11/16/2022]
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49
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Jiang L, Xu Y, Zhang P, Zhang Y, Li H, Chen J, Liu S, Zeng Q. Functional MoS2 nanosheets inhibit melanogenesis to enhance UVB/X-ray induced damage. J Mater Chem B 2019. [DOI: 10.1039/c9tb00419j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We produced highly dispersed MoS2 nanosheets in water with the assistance of tryptophan (Trp) to inhibit melanogenesis by suppressing ROS production.
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Affiliation(s)
- Ling Jiang
- Department of Dermatology
- Third Xiangya Hospital
- Central South University
- Changsha
- China
| | - Yanyan Xu
- Institute of Chemical Biology and Nanomedicine (ICBN)
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Biology
- College of Chemistry and Chemical Engineering
- Hunan University
| | - Pei Zhang
- Institute of Chemical Biology and Nanomedicine (ICBN)
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Biology
- College of Chemistry and Chemical Engineering
- Hunan University
| | - Yi Zhang
- Hunan Key Lab of Mineral Materials and Application
- Central South University
- Changsha
- China
- School of Minerals Processing and Bioengineering
| | - Huimin Li
- Institute of Chemical Biology and Nanomedicine (ICBN)
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Biology
- College of Chemistry and Chemical Engineering
- Hunan University
| | - Jing Chen
- Department of Dermatology
- Third Xiangya Hospital
- Central South University
- Changsha
- China
| | - Song Liu
- Institute of Chemical Biology and Nanomedicine (ICBN)
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Biology
- College of Chemistry and Chemical Engineering
- Hunan University
| | - Qinghai Zeng
- Department of Dermatology
- Third Xiangya Hospital
- Central South University
- Changsha
- China
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50
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Liu X, Chen H, Lin J, Li Y, Guo L. Exfoliation of transition-metal dichalcogenides using ATP in aqueous solution. Chem Commun (Camb) 2019; 55:2972-2975. [DOI: 10.1039/c8cc10259g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A facile, green, liquid ultrasonic exfoliation of transition metal dichalcogenides was proposed using ATP as the exfoliating reagent.
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Affiliation(s)
- Xinyi Liu
- Ministry of Education Key Laboratory of Analytical Science of Food Safety and Biology
- Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety
- College of Chemistry
- Fuzhou University
- Fuzhou 350116
| | - Huan Chen
- Ministry of Education Key Laboratory of Analytical Science of Food Safety and Biology
- Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety
- College of Chemistry
- Fuzhou University
- Fuzhou 350116
| | - Jing Lin
- College of Chemistry
- Fuzhou University
- Fuzhou 350116
- China
| | - Yi Li
- College of Chemistry
- Fuzhou University
- Fuzhou 350116
- China
| | - Liangqia Guo
- Ministry of Education Key Laboratory of Analytical Science of Food Safety and Biology
- Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety
- College of Chemistry
- Fuzhou University
- Fuzhou 350116
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