1
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Chaudhary J, Tripathi A, Sahoo SK. Vitamin B 6 Cofactor Pyridoxal 5'-phosphate Conjugated Papain-Stabilized Fluorescent Gold Nanoclusters for Switch-on Detection of Zinc(II). J Fluoresc 2024:10.1007/s10895-024-03849-9. [PMID: 39042357 DOI: 10.1007/s10895-024-03849-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Accepted: 07/15/2024] [Indexed: 07/24/2024]
Abstract
In this study, fluorescent gold nanoclusters (AuNCs) conjugated with pyridoxal-5-phosphate (PLP) were synthesized, characterized, and used for Zn2+ fluorescence turn-on sensing. PLP was conjugated over the surface of papain-stabilized fluorescent gold nanoclusters (pap-AuNCs; λex = 380 nm, λem = 670 nm) by forming imine linkage. Due to this modification, the red color emitting pap-AuNCs changed to orange color emitting nanoclusters PLP_pap-AuNCs. The nano-assembly PLP_pap-AuNCs detect Zn2+ selectively by showing a notable fluorescence enhancement at 477 nm. Zn2+ detection with PLP_pap-AuNCs was quick and easy, with an estimated detection limit of 0.14 µM. Further, paper strips and cotton buds coated with PLP_pap-AuNCs were developed for affordable on-site visual detection of Zn2+. Finally, the detection of Zn2+ in actual environmental water samples served as validation of the usefulness of PLP_pap-AuNCs.
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Affiliation(s)
- Jayant Chaudhary
- Department of Chemistry, Sardar Vallabhbhai National Institute Technology, Surat, Gujarat, 395007, India
| | - Aditi Tripathi
- Department of Chemistry, Sardar Vallabhbhai National Institute Technology, Surat, Gujarat, 395007, India
| | - Suban K Sahoo
- Department of Chemistry, Sardar Vallabhbhai National Institute Technology, Surat, Gujarat, 395007, India.
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2
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Park S, Choi J, Ko N, Mondal S, Pal U, Lee BI, Oh J. Beta cyclodextrin conjugated AuFe 3O 4 Janus nanoparticles with enhanced chemo-photothermal therapy performance. Acta Biomater 2024; 182:213-227. [PMID: 38734286 DOI: 10.1016/j.actbio.2024.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 04/16/2024] [Accepted: 05/05/2024] [Indexed: 05/13/2024]
Abstract
The strategic integration of multi-functionalities within a singular nanoplatform has received growing attention for enhancing treatment efficacy, particularly in chemo-photothermal therapy. This study introduces a comprehensive concept of Janus nanoparticles (JNPs) composed of Au and Fe3O4 nanostructures intricately bonded with β-cyclodextrins (β-CD) to encapsulate 5-Fluorouracil (5-FU) and Ibuprofen (IBU). This strategic structure is engineered to exploit the synergistic effects of chemo-photothermal therapy, underscored by their exceptional biocompatibility and photothermal conversion efficiency (∼32.88 %). Furthermore, these β-CD-conjugated JNPs enhance photodynamic therapy by generating singlet oxygen (1O2) species, offering a multi-modality approach to cancer eradication. Computer simulation results were in good agreement with in vitro and in vivo assays. Through these studies, we were able to prove the improved tumor ablation ability of the drug-loaded β-CD-conjugated JNPs, without inducing adverse effects in tumor-bearing nude mice. The findings underscore a formidable tumor ablation potency of β-CD-conjugated Au-Fe3O4 JNPs, heralding a new era in achieving nuanced, highly effective, and side-effect-free cancer treatment modalities. STATEMENT OF SIGNIFICANCE: The emergence of multifunctional nanoparticles marks a pivotal stride in cancer therapy research. This investigation unveils Janus nanoparticles (JNPs) amalgamating gold (Au), iron oxide (Fe3O4), and β-cyclodextrins (β-CD), encapsulating 5-Fluorouracil (5-FU) and Ibuprofen (IBU) for synergistic chemo-photothermal therapy. Demonstrating both biocompatibility and potent photothermal properties (∼32.88 %), these JNPs present a promising avenue for cancer treatment. Noteworthy is their heightened photodynamic efficiency and remarkable tumor ablation capabilities observed in vitro and in vivo, devoid of adverse effects. Furthermore, computational simulations validate their interactions with cancer cells, bolstering their utility as an emerging therapeutic modality. This endeavor pioneers a secure and efficacious strategy for cancer therapy, underscoring the significance of β-CD-conjugated Au-Fe3O4 JNPs as innovative nanoplatforms with profound implications for the advancement of cancer therapy.
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Affiliation(s)
- Sumin Park
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Jaeyeop Choi
- Smart Gym-Based Translational Research Center for Active Senior's Healthcare, Pukyong National University, Busan 48513, Republic of Korea
| | - Namsuk Ko
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Sudip Mondal
- Digital Healthcare Research Center, Pukyong National University, Busan 48513, Republic of Korea
| | - Umapada Pal
- Institute of Physics, Autonomous University of Puebla, Puebla 72570, Mexico
| | - Byeong-Il Lee
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea; Smart Gym-Based Translational Research Center for Active Senior's Healthcare, Pukyong National University, Busan 48513, Republic of Korea; Digital Healthcare Research Center, Pukyong National University, Busan 48513, Republic of Korea; Department of Smart Healthcare, Pukyong National University, Busan 48513, Republic of Korea.
| | - Junghwan Oh
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea; Smart Gym-Based Translational Research Center for Active Senior's Healthcare, Pukyong National University, Busan 48513, Republic of Korea; Digital Healthcare Research Center, Pukyong National University, Busan 48513, Republic of Korea; Department of Smart Healthcare, Pukyong National University, Busan 48513, Republic of Korea; Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea; Ohlabs Corp., Busan 48513, Republic of Korea.
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3
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Ahmad A, Rabbani G, Zamzami MA, Hosawi S, Baothman OA, Altayeb H, Akhtar MSN, Ahmad V, Khan MV, Khan ME, Kim SH. An affordable label-free ultrasensitive immunosensor based on gold nanoparticles deposited on glassy carbon electrode for the transferrin receptor detection. Int J Biol Macromol 2024; 273:133083. [PMID: 38866289 DOI: 10.1016/j.ijbiomac.2024.133083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 05/31/2024] [Accepted: 06/09/2024] [Indexed: 06/14/2024]
Abstract
In recent decades, there has been a concerning and consistent rise in the incidence of cancer, posing a significant threat to human health and overall quality of life. The transferrin receptor (TfR) is one of the most crucial protein biomarkers observed to be overexpressed in various cancers. This study reports on the development of a novel voltammetric immunosensor for TfR detection. The electrochemical platform was made up of a glassy carbon electrode (GCE) functionalized with gold nanoparticles (AuNPs), on which anti-TfR was immobilized. The surface characteristics and electrochemical behaviors of the modified electrodes were comprehensively investigated through scanning electron microscopy, XPS, Raman spectroscopy FT-IR, electrochemical cyclic voltammetry and impedance spectroscopy. The developed immunosensor exhibited robust analytical performance with TfR fortified buffer solution, showing a linear range (LR) response from 0.01 to 3000 μg/mL, with a limit of detection (LOD) of 0.01 μg/mL and reproducibility (RSD <4 %). The fabricated sensor demonstrated high reproducibility and selectivity when subjected to testing with various types of interfering proteins. The immunosensor designed for TfR detection demonstrated several advantageous features, such as being cost-effective and requiring a small volume of test sample making it highly suitable for point-of-care applications.
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Affiliation(s)
- Abrar Ahmad
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21452, Saudi Arabia
| | - Gulam Rabbani
- IT-medical Fusion Center, 350-27 Gumidae-ro, Gumi-si, Gyeongbuk 39253, Republic of Korea.
| | - Mazin A Zamzami
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21452, Saudi Arabia
| | - Salman Hosawi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21452, Saudi Arabia
| | - Othman A Baothman
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21452, Saudi Arabia
| | - Hisham Altayeb
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21452, Saudi Arabia
| | | | - Varish Ahmad
- Department of Health Information technology, The Applied College, King Abdulaziz University, Jeddah 21452, Saudi Arabia
| | - Mohsin Vahid Khan
- Department of Biosciences, Integral University, Lucknow, 226026, India
| | - Mohammad Ehtisham Khan
- Department of Chemical Engineering Technology, College of Applied Industrial Technology, Jazan University, Jazan 45142, Saudi Arabia
| | - Se Hyun Kim
- School of Chemical Engineering, Konkuk University, Seoul 05029, Republic of Korea
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4
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Madhu M, Tseng WB, Chou YS, Krishna Kumar AS, Lu CY, Chang PL, Tseng WL. Peptide-Directed Synthesis of Aggregation-Induced Emission Enhancement-Active Gold Nanoclusters for Single- and Two-Photon Imaging of Lysosome and Expressed α vβ 3 Integrin Receptors. Anal Chem 2024; 96:9007-9015. [PMID: 38778775 PMCID: PMC11154667 DOI: 10.1021/acs.analchem.4c00321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 05/15/2024] [Accepted: 05/15/2024] [Indexed: 05/25/2024]
Abstract
This study explores the synthesis and characterization of aggregation-induced emission enhancement (AIEE)-active gold nanoclusters (AuNCs), focusing on their near-infrared luminescence properties and potential applications in biological imaging. These AIEE-active AuNCs were synthesized via the NaBH4-mediated reduction of HAuCl4 in the presence of peptides. We systematically investigated the influence of the peptide sequence on the optical features of the AuNCs, highlighting the role of glutamic acid in enhancing their quantum yield (QY). Among the synthesized peptide-stabilized AuNCs, EECEE-stabilized AuNCs exhibited the maximum QY and a pronounced AIEE effect at pH 5.0, making them suitable for the luminescence imaging of intracellular lysosomes. The AIEE characteristic of the EECEE-stabilized AuNCs was demonstrated through examinations using transmission electron microscopy, dynamic light scattering, zeta potential analysis, and single-particle imaging. The formation of the EECEE-stabilized AuNCs was confirmed by size-exclusion chromatography and mass spectrometry. Spectroscopic and electrochemical examinations uncover the formation process of EECEE-stabilized AuNCs, comprising EECEE-mediated reduction, NaBH4-induced nucleation, complex aggregation, and subsequent cluster growth. Furthermore, we demonstrated the utility of these AuNCs as luminescent probes for intracellular lysosomal imaging, leveraging their pH-responsive AIEE behavior. Additionally, cyclic arginylglycylaspartic acid (RGD)-modified AIEE dots, derived from cyclic RGD-linked peptide-induced aggregation of EECEE-stabilized AuNCs, were developed for single- and two-photon luminescence imaging of αvβ3 integrin receptor-positive cancer cells.
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Affiliation(s)
- Manivannan Madhu
- Department
of Chemistry, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan
| | - Wei-Bin Tseng
- Department
of Chemistry, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan
- Department
of Environmental Engineering, Da-Yeh University. No. 168, University Road, Dacun, Changhua 515006, Taiwan
| | - Yi-Shiuan Chou
- Department
of Chemistry, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan
| | - A. Santhana Krishna Kumar
- Department
of Chemistry, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan
- Faculty
of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow City, Poland
| | - Chi-Yu Lu
- School
of Pharmacy, Kaohsiung Medical University, No. 100, Shiquan first Road, Sanmin
District, Kaohsiung 80708, Taiwan
| | - Po-Ling Chang
- Department
of Chemistry, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan
| | - Wei-Lung Tseng
- Department
of Chemistry, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan
- School
of Pharmacy, College of Pharmacy, Kaohsiung
Medical University, No.
100, Shiquan first Rd., 80708 Kaohsiung, Taiwan
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5
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Lin H, Song X, Chai OJH, Yao Q, Yang H, Xie J. Photoluminescent Characterization of Metal Nanoclusters: Basic Parameters, Methods, and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2401002. [PMID: 38521974 DOI: 10.1002/adma.202401002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/13/2024] [Indexed: 03/25/2024]
Abstract
Metal nanoclusters (MNCs) can be synthesized with atomically precise structures and molecule formulae due to the rapid development of nanocluster science in recent decades. The ultrasmall size range (normally < 2 nm) endows MNCs with plenty of molecular-like properties, among which photoluminescent properties have aroused extensive attention. Tracing the research and development processes of luminescent nanoclusters, various photoluminescent analysis and characterization methods play a significant role in elucidating luminescent mechanism and analyzing luminescent properties. In this review, it is aimed to systematically summarize the normally used photoluminescent characterizations in MNCs including basic parameters and methods, such as excitation/emission wavelength, quantum yield, and lifetime. For each key parameter, first its definition and meaning is introduced and then the relevant characterization methods including measuring principles and the revelation of luminescent properties from the collected data are discussed. Then, it is discussed in details how to explore the luminescent mechanism of MNCs and construct NC-based applications based on the measured data. By means of these characterization strategies, the luminescent properties of MNCs and NC-based designs can be explained quantitatively and qualitatively. Hence, this review is expected to provide clear guidance for researchers to characterize luminescent MNCs and better understand the luminescent mechanism from the measured results.
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Affiliation(s)
- Hongbin Lin
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Xiaorong Song
- MOE Key Laboratory for Analytical Science of Food Safety and Biology and State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Osburg Jin Huang Chai
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Qiaofeng Yao
- Key Laboratory of Organic Integrated Circuits, Ministry of Education & Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
| | - Huanghao Yang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology and State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Jianping Xie
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
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6
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Zhang B, Wang Y, Wang Y, Huo F, Karmaker PG, Chen L, Yang X, Zhao B. Chameleon-like Response Mechanism of Gold-Silver Bimetallic Nanoclusters Stimulated by Sulfur Ions and Their Application in Visual Fluorescence Sensing. Anal Chem 2024; 96:5029-5036. [PMID: 38487877 DOI: 10.1021/acs.analchem.4c00396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Herein, 2-mercapto-5-benzimidazolesulfonate acid sodium salt dihydrate (MBZS)-protected gold-silver bimetallic nanoclusters, named MBZS-AuAg NCs, were synthesized. Interestingly, we found that MBZS-AuAg NCs solutions can exhibit different fluorescence color changes under sulfide stimulation. A series of modern analytical testing techniques were used to explore the interaction mechanism between MBZS-AuAg NCs and sulfide. Sulfide ions can not only cause MBZS-AuAg NCs to exhibit rich fluorescence color changes similar to those of a chameleon but also have four linear relationships between the response intensity and sulfide concentration. A wide-range sulfide fluorescence sensing platform was constructed based on four linear segments with different fluorescence color responses. This sensing platform can be directly used for the determination of S2- with a detection limit as low as 11 nM. The portable test paper based on MBZS-AuAg NCs can realize the visual and rapid detection of gaseous hydrogen sulfide with a detection limit of 100 ppb (v/v). The wide detection range of the proposed method not only allows it to be used as an alternative method for sulfide detection in environmental samples but also has potential applications in the rapid detection and early warning of hydrogen sulfide gas in industrial and mining scenarios.
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Affiliation(s)
- Baowen Zhang
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong 637000, PR China
| | - Ya Wang
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong 637000, PR China
| | - Yaohui Wang
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong 637000, PR China
| | - Feng Huo
- School of Chemistry and Chemical Engineering, Analytical Testing Center, Institute of Micro/Nano Intelligent Sensing, Neijiang Normal University, Neijiang 641100, PR China
| | - Pran Gopal Karmaker
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong 637000, PR China
| | - Lianfang Chen
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong 637000, PR China
| | - Xiupei Yang
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong 637000, PR China
| | - Bin Zhao
- Department of Chemistry, Key Laboratory of Advanced Energy Material Chemistry, MOE, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300350, PR China
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7
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Batoo KM, Ijaz MF, Imran A, Pandiaraj S. Duple charge separation and plasmonically enriched DSSC and piezo-photocatalytic efficacy of Au anchored perovskite Gd 3+:BiFeO 3 nanospheres. CHEMOSPHERE 2024; 346:140410. [PMID: 37898467 DOI: 10.1016/j.chemosphere.2023.140410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 09/25/2023] [Accepted: 10/09/2023] [Indexed: 10/30/2023]
Abstract
Enhancing the solar-physical conversion efficacy ability of the nanomaterials is an essential for real-time implementation. We report the enhanced solar-physical efficiency of the BiFeO3 nanospheres via Gd3+ doping and Au nanoparticles decoration. Initially, we have obtained the Bi1-xGdxFeO3 nanospheres were attained via a simple solvothermal technique and then citrate reduction of Au was conducted. Obtained perovskite BiFeO systems were studied for the Gd3+ doping, crystalline phase and elemental purity using the XRD and XPS techniques. Transmission electron microscope had revealed the ∼400 nm sized BiFeO3 nanospheres. Optical absorption spectrum revealed the enhanced visible photon absorption occurring in BiFeO3 for both Gd3+ doping and Au decoration. The bandgap values of pristine, 1%, 3% and 5% Gd3+ doped in BiFeO3 are 2.2 eV, 2.19 eV, 2.17 eV and 2.12 eV, respectively. Conducted photoluminescence revealed the dual electron trapping occurring in BiFeO3 via Gd3+ ions and Au nanoparticles. LED light assisted 72% of piezo-photocatalytic degradation efficiency of Tetracycline is achieved with Bi0 95Fe0 05O3/Au, whereas the photo catalytic is only 65% and piezo catalytic efficiency is 58%. In recyclable studies the Bi0.95Gd0.05FeO3/Au had shown the consistent piezo-photocatalytic efficiency for 3 reaction cycles. Further, fabricated DSSC studies revealed that near 30 % enhanced solar photovoltaic efficiency for Bi0 95Fe0 05O3/Au (η = 6.5%) solar cells on par to the pristine BiFeO3 (η = 5.02%).
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Affiliation(s)
- Khalid Mujasam Batoo
- King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box-2455, Riyadh, 11451, Saudi Arabia.
| | - Muhammad Farzik Ijaz
- Mechanical Engineering Department, College of Engineering, King Saud University, PO Box 800, Riyadh, 11451, Saudi Arabia
| | - Ahamad Imran
- King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box-2455, Riyadh, 11451, Saudi Arabia
| | - Saravanan Pandiaraj
- Department of Self-Development Skills, King Saud University, Riyadh, 11451, Saudi Arabia.
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8
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Rabbani G, Khan ME, Khan AU, Ali SK, Zamzami MA, Ahmad A, Bashiri AH, Zakri W. Label-free and ultrasensitive electrochemical transferrin detection biosensor based on a glassy carbon electrode and gold nanoparticles. Int J Biol Macromol 2024; 256:128312. [PMID: 38000589 DOI: 10.1016/j.ijbiomac.2023.128312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/19/2023] [Accepted: 11/19/2023] [Indexed: 11/26/2023]
Abstract
In this study, we developed a label-free and ultrasensitive electrochemical biosensor for the detection of transferrin (Tf), an important serum biomarker of atransferrinemia. The biosensor was fabricated by using glassy carbon electrode (GCE) and modified with gold nanoparticles (AuNPs) via electroless deposition. The electrochemical characteristics of the GCE-AuNPs biosensors were characterized using cyclic voltammetry and electrochemical impedance spectroscopy analysis. Differential pulse voltammetry was used for quantitative evaluation of the Tf-antigen by recording the increase in the anodic peak current of GCE-AuNPs biosensor. The GCE-AuNPs biosensor demonstrates superior sensing performance for Tf-antigen fortified in buffer, with a wide linear range of 0.1 to 5000 μg/mL and a limit of detection of 0.18 μg/mL. The studied GCE-AuNPs biosensor showed excellent sensitivity, selectivity, long-term storage stability and simple sensing steps without pretreatment of clinical samples. This GCE-AuNPs biosensor indicates great potential for developing a Tf detection platform, which would be helpful in the early diagnosis of atransferrinemia. The developed GCE-AuNPs biosensor holds great potential in biomedical research related to point of care for the early diagnosis and monitoring of diseases associated with aberrant serum transferrin levels. These findings suggest that the GCE-AuNPs biosensor has great potential for detecting other serum biomarkers.
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Affiliation(s)
- Gulam Rabbani
- IT-medical Fusion Center, 350-27 Gumidae-ro, Gumi-si, Gyeongbuk 39253, Republic of Korea
| | - Mohammad Ehtisham Khan
- Department of Chemical Engineering Technology, College of Applied Industrial Technology, Jazan University, 45142, Saudi Arabia.
| | - Anwar Ulla Khan
- Department of Electrical Engineering Technology, College of Applied Industrial Technology, Jazan University, 45142, Saudi Arabia
| | - Syed Kashif Ali
- Department of Chemistry, Faculty of Science, Jazan University, Jazan, PO Box 114, Saudi Arabia
| | - Mazin A Zamzami
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21452, Saudi Arabia
| | - Abrar Ahmad
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21452, Saudi Arabia
| | - Abdullateef H Bashiri
- Department of Mechanical Engineering, College of Engineering, Jazan University, P. O. Box 114, Jazan 45142, Saudi Arabia
| | - Waleed Zakri
- Department of Mechanical Engineering, College of Engineering, Jazan University, P. O. Box 114, Jazan 45142, Saudi Arabia
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9
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Tripathi A, Bhardwaj V, Sahoo SK. Fluorescent Switch-on Detection of Cadmium(II) Using Salicylaldehyde-Decorated Gold Nanoclusters. J Fluoresc 2023:10.1007/s10895-023-03497-5. [PMID: 37976022 DOI: 10.1007/s10895-023-03497-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 11/06/2023] [Indexed: 11/19/2023]
Abstract
In this study, salicylaldehyde (SA) conjugated gold nanoclusters were synthesized, characterized, and applied for the fluorescent turn-on sensing of Cd2+. The trypsin-stabilized fluorescent gold nanocluster (Tryp-AuNCs, λem = 680 nm) was modified with SA to form the spherical-shaped SA_Tryp-AuNCs. After modification, the red-emitting Tryp-AuNCs turned to green-emitting SA_Tryp-AuNCs because of the formation of imine linkage between the -CHO group of SA with the -NH2 group of functionalized trypsin. The modified SA_Tryp-AuNCs selectively interacted with Cd2+ and exhibited a fluorescence enhancement at 660 nm. The Cd2+ detection with SA_Tryp-AuNCs is simple and rapid with an estimated nanomolar detection limit of 98.1 nM. The practical utility of SA_Tryp-AuNCs was validated by quantifying Cd2+ in real environmental water samples.
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Affiliation(s)
- Aditi Tripathi
- Department of Chemistry, Sardar Vallabhbhai National Institute Technology, 395007, Surat, Gujarat, India
| | - Vinita Bhardwaj
- Department of Chemistry, Sardar Vallabhbhai National Institute Technology, 395007, Surat, Gujarat, India
| | - Suban K Sahoo
- Department of Chemistry, Sardar Vallabhbhai National Institute Technology, 395007, Surat, Gujarat, India.
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10
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Jin N, Sun Y, Shi W, Wang P, Nagaoka Y, Cai T, Wu R, Dube L, Nyiera HN, Liu Y, Mani T, Wang X, Zhao J, Chen O. Type-I CdS/ZnS Core/Shell Quantum Dot-Gold Heterostructural Nanocrystals for Enhanced Photocatalytic Hydrogen Generation. J Am Chem Soc 2023; 145:21886-21896. [PMID: 37768875 DOI: 10.1021/jacs.3c06065] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Developing Type-I core/shell quantum dots is of great importance toward fabricating stable and sustainable photocatalysts. However, the application of Type-I systems has been limited due to the strongly confined photogenerated charges by the energy barrier originating from the wide-bandgap shell material. In this project, we found that through the decoration of Au satellite-type domains on the surface of Type-I CdS/ZnS core/shell quantum dots, such an energy barrier can be effectively overcome and an over 400-fold enhancement of photocatalytic H2 evolution rate was achieved compared to bare CdS/ZnS quantum dots. Transient absorption spectroscopic studies indicated that the charges can be effectively extracted and subsequently transferred to surrounding molecular substrates in a subpicosecond time scale in such hybrid nanocrystals. Based on density functional theory calculations, the ultrafast charge separation rates were ascribed to the formation of intermediate Au2S layer at the semiconductor-metal interface, which can successfully offset the energy confinement introduced by the ZnS shell. Our findings not only provide insightful understandings on charge carrier dynamics in semiconductor-metal heterostructural materials but also pave the way for the future design of quantum dot-based hybrid photocatalytic systems.
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Affiliation(s)
- Na Jin
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Yonglei Sun
- Institute of Materials Science, University of Connecticut, Storrs Mansfield, Connecticut 06269, United States
| | - Wenwu Shi
- School of Physical Science and Technology, Southwest University, Chongqing 400715, People's Republic of China
- Institute of Information Technology, Shenzhen Institute of Information Technology, Shenzhen 518172, China
| | - Ping Wang
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials of the Ministry of Education, College of Chemistry, Jilin Normal University, Changchun 130103, China
| | - Yasutaka Nagaoka
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Tong Cai
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Rongzhen Wu
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Lacie Dube
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Hawi N Nyiera
- Department of Chemistry, University of Connecticut, Storrs Mansfield, Connecticut 06269, United States
| | - Yuzi Liu
- Center for Nanoscale Materials, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Tomoyasu Mani
- Department of Chemistry, University of Connecticut, Storrs Mansfield, Connecticut 06269, United States
| | - Xinzhong Wang
- Institute of Information Technology, Shenzhen Institute of Information Technology, Shenzhen 518172, China
| | - Jing Zhao
- Institute of Materials Science, University of Connecticut, Storrs Mansfield, Connecticut 06269, United States
- Department of Chemistry, University of Connecticut, Storrs Mansfield, Connecticut 06269, United States
| | - Ou Chen
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
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11
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Drault F, Ferain E, Lisboa MC, Hermans S, Demoustier-Champagne S. Tuning Au/SiO 2 nanostructures from 1D to 3D interconnected nanotube networks using polycarbonate porous templates. NANOSCALE 2023; 15:14981-14993. [PMID: 37661913 DOI: 10.1039/d3nr03783e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
We report a simple process, based on the combination of sol-gel deposition and nano-templating with polycarbonate membranes, for the synthesis of 1D to 3D free-standing silica (SiO2) interconnected nanotube (NT) networks. The thickness and porosity of the SiO2 nanotube walls can be, respectively, controlled by adjusting the ethanol amount in the sol-gel reaction mixture and by the addition or not of a porogen agent during the synthesis. Internal functionalization of 1D and 3D porous and non-porous SiO2 NTs by Au nanoparticles (NPs) was then performed using electroless deposition leading to particle sizes ranging from 15 to 20 nm. Characterization of all these systems by SEM-EDX, TEM, ICP and XPS clearly demonstrated the impact of the porosity of SiO2 on the amount and localization of Au NPs. Selective functionalization of the inner or the inner + outer surfaces of SiO2 NTs was achieved by keeping or freeing the SiO2 NTs from the template prior to electroless deposition, respectively. Moreover, UV-visible analysis confirmed plasmon resonance associated with Au NPs in all functionalized systems, paving the way to applications in many fields such as nano-medicine or (photo-)catalysis. In particular, the free-standing interconnected silica-based nanotube systems provide unique features of great interest for use in nanoscale fluidic bioseparation, sensing, and flow (photo)-catalytic chemistry, as demonstrated herein for the photodegradation of methylene blue.
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Affiliation(s)
- Fabien Drault
- Institute of Condensed Matter and Nanosciences (BSMA division), UCLouvain, Croix du Sud 1, B-1348, Louvain-la-Neuve, Belgium.
- Institute of Condensed Matter and Nanosciences (MOST division), UCLouvain, 1 Place Louis Pasteur, B-1348 Louvain-la- Neuve, Belgium.
| | - Etienne Ferain
- Institute of Condensed Matter and Nanosciences (BSMA division), UCLouvain, Croix du Sud 1, B-1348, Louvain-la-Neuve, Belgium.
- Institute of Condensed Matter and Nanosciences (MOST division), UCLouvain, 1 Place Louis Pasteur, B-1348 Louvain-la- Neuve, Belgium.
- it4ip S.A., Avenue Jean-Etienne Lenoir 1, B-1348 Louvain-la-Neuve, Belgium
| | - Milena Chagas Lisboa
- Institute of Condensed Matter and Nanosciences (BSMA division), UCLouvain, Croix du Sud 1, B-1348, Louvain-la-Neuve, Belgium.
| | - Sophie Hermans
- Institute of Condensed Matter and Nanosciences (MOST division), UCLouvain, 1 Place Louis Pasteur, B-1348 Louvain-la- Neuve, Belgium.
| | - Sophie Demoustier-Champagne
- Institute of Condensed Matter and Nanosciences (BSMA division), UCLouvain, Croix du Sud 1, B-1348, Louvain-la-Neuve, Belgium.
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12
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Controlled-fabrication and assembly-induced emission enhancement (AIEE) of near-infrared emitted gold nanoclusters capped by thiolactic acid. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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13
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Abd Elkodous M, Kawamura G, Matsuda A. Al–SrTiO3/Au/CdS Z-schemes for the efficient photocatalytic H2 production under visible light. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 2023. [DOI: 10.1016/j.ijhydene.2023.05.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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14
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Al-Yahmadi K, Kyaw HH, Myint MTZ, Al-Mamari R, Dobretsov S, Al-Abri M. Development of portable sensor for the detection of bacteria: effect of gold nanoparticle size, effective surface area, and interparticle spacing upon sensing interface. DISCOVER NANO 2023; 18:45. [PMID: 37382758 DOI: 10.1186/s11671-023-03826-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 03/08/2023] [Indexed: 06/30/2023]
Abstract
In this study, systematic development of a portable sensor for the rapid detection of Escherichia coli (E. coli) and Exiguobacterium aurantiacum (E. aurantiacum) was reported. A conductive glass was utilized as a substrate and developed the electrode patterns on it. Trisodium citrate (TSC) and chitosan-stabilized gold nanoparticles (AuNPs) (CHI-AuNP-TSC) and chitosan-stabilized AuNPs (CHI-AuNP) were synthesized and utilized as a sensing interface. The morphology, crystallinity, optical properties, chemical structures, and surface properties of immobilized AuNPs on the sensing electrodes were investigated. The sensing performance of the fabricated sensor was evaluated by using an electrochemical method to observe the current changes in cyclic voltammetric responses. The CHI-AuNP-TSC electrode has higher sensitivity toward E. coli than CHI-AuNP with a limit of detection (LOD) of 1.07 CFU/mL. TSC in the AuNPs synthesis process played a vital role in the particle size, the interparticle spacing, the sensor's effective surface area, and the presence of CHI around AuNPs, thus enhancing the sensing performance. Moreover, post-analysis of the fabricated sensor surface exhibited the sensor stability and the interaction between bacteria and the sensor surface. The sensing results showed a promising potential for rapid detection using a portable sensor for various water and food-borne pathogenic diseases.
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Affiliation(s)
- Khadija Al-Yahmadi
- Nanotechnology Research Center, Sultan Qaboos University, Al-Khoud, P.O. Box 33, 123, Muscat, Oman
| | - Htet Htet Kyaw
- Nanotechnology Research Center, Sultan Qaboos University, Al-Khoud, P.O. Box 33, 123, Muscat, Oman.
| | - Myo Tay Zar Myint
- Department of Physics, College of Science, Sultan Qaboos University, Al-Khoud, P.O. Box 36, 123, Muscat, Oman
| | - Rahma Al-Mamari
- UNESCO Chair. Department of Marine Science and Fisheries, College of Agricultural & Marine Sciences, Sultan Qaboos University, Al-Khoud, P.O. Box 34, 123, Muscat, Oman
| | - Sergey Dobretsov
- UNESCO Chair. Department of Marine Science and Fisheries, College of Agricultural & Marine Sciences, Sultan Qaboos University, Al-Khoud, P.O. Box 34, 123, Muscat, Oman
| | - Mohammed Al-Abri
- Nanotechnology Research Center, Sultan Qaboos University, Al-Khoud, P.O. Box 33, 123, Muscat, Oman.
- Department of Petroleum and Chemical Engineering, College of Engineering, Sultan Qaboos University, Al-Khoud, P.O. Box 33, 123, Muscat, Oman.
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15
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Scroccarello A, Álvarez-Diduk R, Della Pelle F, de Carvalho Castro E Silva C, Idili A, Parolo C, Compagnone D, Merkoçi A. One-Step Laser Nanostructuration of Reduced Graphene Oxide Films Embedding Metal Nanoparticles for Sensing Applications. ACS Sens 2023; 8:598-609. [PMID: 36734274 PMCID: PMC9972477 DOI: 10.1021/acssensors.2c01782] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The combination of two-dimensional materials and metal nanoparticles (MNPs) allows the fabrication of novel nanocomposites with unique physical/chemical properties exploitable in high-performance smart devices and biosensing strategies. Current methods to obtain graphene-based films decorated with noble MNPs are cumbersome, poorly reproducible, and difficult to scale up. Herein, we propose a straightforward, versatile, surfactant-free, and single-step technique to produce reduced graphene oxide (rGO) conductive films integrating "naked" noble MNPs. This method relies on the instantaneous laser-induced co-reduction of graphene oxide and metal cations, resulting in highly exfoliated rGO nanosheets embedding gold, silver, and platinum NPs. The production procedure has been optimized, and the obtained nanomaterials are fully characterized; the hybrid nanosheets have been easily transferred onto lab-made screen-printed electrodes preserving their nanoarchitecture. The Au@rGO-, Ag@rGO-, and Pt@rGO-based electrodes have been challenged to detect caffeic acid, nitrite, and hydrogen peroxide in model solutions and real samples. The sensors yielded quantitative responses (R2 ≥ 0.997) with sub-micromolar limits of detections (LODs ≤ 0.6 μM) for all the analytes, allowing accurate quantification in samples (recoveries ≥ 90%; RSD ≤ 14.8%, n = 3). This single-step protocol which requires low cost and minimal equipment will allow the fabrication of free-standing, MNP-embedded rGO films integrable into a variety of scalable smart devices and biosensors.
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Affiliation(s)
- Annalisa Scroccarello
- Nanobioelectronics & Biosensors Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Spain.,Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Campus "Aurelio Saliceti" Via R. Balzarini 1, 64100 Teramo, Italy
| | - Ruslan Álvarez-Diduk
- Nanobioelectronics & Biosensors Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Spain
| | - Flavio Della Pelle
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Campus "Aurelio Saliceti" Via R. Balzarini 1, 64100 Teramo, Italy
| | - Cecilia de Carvalho Castro E Silva
- Nanobioelectronics & Biosensors Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Spain.,MackGraphe─Mackenzie Institute for Research in Graphene and Nanotechnologies, Mackenzie Presbyterian University, Consolação Street 930, 01302-907 São Paulo, Brazil
| | - Andrea Idili
- Nanobioelectronics & Biosensors Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Spain.,Department of Chemical Science and Technologies, Tor Vergata University of Rome, Via Ricerca Scientifica snc, 00133 Roma, Italy
| | - Claudio Parolo
- Nanobioelectronics & Biosensors Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Spain
| | - Dario Compagnone
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Campus "Aurelio Saliceti" Via R. Balzarini 1, 64100 Teramo, Italy
| | - Arben Merkoçi
- Nanobioelectronics & Biosensors Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Spain.,ICREA Institució Catalana de Recerca i Estudis Avançats, Passeig Lluís Companys 23, 08010 Barcelona, Spain
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16
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Pavelka O, Dyakov S, Kvakova K, Vesely J, Cigler P, Valenta J. Towards site-specific emission enhancement of gold nanoclusters using plasmonic systems: advantages and limitations. NANOSCALE 2023; 15:3351-3365. [PMID: 36722767 DOI: 10.1039/d2nr06680g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Photoluminescent gold nanoclusters are widely seen as a promising candidate for applications in biosensing and bioimaging. Although they have many of the required properties, such as biocompatibility and photostability, the luminescence of near infrared emitting gold nanoclusters is still relatively weak compared to the best available fluorophores. This study contributes to the ongoing debate on the possibilities and limitations of improving the performance of gold nanoclusters by combining them with plasmonic nanostructures. We focus on a detailed description of the emission enhancement and compare it with the excitation enhancement obtained in recent works. We prepared a well-defined series of gold nanoclusters attached to gold nanorods whose plasmonic band is tuned to the emission band of gold nanoclusters. In the resultant single-element hybrid nanostructure, the gold nanorods control the luminescence of gold nanoclusters in terms of its spectral position, polarization and lifetime. We identified a range of parameters which determine the mutual interaction of both particles including the inter-particle distance, plasmon-emission spectral overlap, dimension of gold nanorods and even the specific position of gold nanoclusters attached on their surface. We critically assess the practical and theoretical photoluminescence enhancements achievable using the above strategy. Although the emission enhancement was generally low, the observations and methodology presented in this study can provide a valuable insight into the plasmonic enhancement in general and into the photophysics of gold nanoclusters. We believe that our approach can be largely generalized for other relevant studies on plasmon enhanced luminescence.
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Affiliation(s)
- Ondrej Pavelka
- Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16, Prague, Czechia.
| | - Sergey Dyakov
- Photonics & Quantum Materials Center, Skolkovo Institute of Science and Technology, Nobel Street 3, Moscow 143025, Russia
| | - Klaudia Kvakova
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague, Czechia
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University, Katerinska 1660/32, Prague 121 08, Czechia
| | - Jozef Vesely
- Department of Physics of Materials, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16, Prague, Czechia
| | - Petr Cigler
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague, Czechia
| | - Jan Valenta
- Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16, Prague, Czechia.
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17
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Wang D, Gao X, Jia J, Zhang B, Zou G. Valence-State-Engineered Electrochemiluminescence from Au Nanoclusters. ACS NANO 2023; 17:355-362. [PMID: 36534370 DOI: 10.1021/acsnano.2c08474] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
To determine the intrinsic effects of body elements on the electrochemiluminescence (ECL) of metal nanoclusters (NCs), herein, a valence-state engineering strategy is developed to adjust the NCs' ECL with bovine serum albumin (BSA)-stabilized AuNCs as a model, in which engineering the valence state of the Au body element, i.e., Au(0) and Au(I), is performed via successively reducing the precursor AuCl4- to Au(I) and Au(0) with BSA. The obtained BSA-AuNCs/N2H4 system leads to three anodic ECL processes at 0.37 (ECL-1), 0.85 (ECL-2), and 1.45 V (ECL-3). ECL-1 is generated from the BSA-Au(0) section of BSA-AuNCs in a surface-defect-involved route and is much stronger and red-shifted compared to ECL-2 and ECL-3, which are generated from the BSA-Au(I) section of BSA-AuNCs in the band-gap-engineered route. Each of the anodic ECL processes can be selectively generated and/or suppressed via adjusting the Au(I)/Au(0) ratio of BSA-AuNCs, tunable ECL generation route, and triggering potential, and the emission intensity and waveband of metal NCs are conveniently achieved in body-element-involved valence-state engineering.
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Affiliation(s)
- Dongyang Wang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan250100, China
| | - Xuwen Gao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan250100, China
| | - Jingna Jia
- School of Chemistry and Chemical Engineering, Shandong University, Jinan250100, China
| | - Bin Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan250100, China
| | - Guizheng Zou
- School of Chemistry and Chemical Engineering, Shandong University, Jinan250100, China
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18
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Zanetti-Polzi L, Charchar P, Yarovsky I, Corni S. Origins of the pH-Responsive Photoluminescence of Peptide-Functionalized Au Nanoclusters. ACS NANO 2022; 16:20129-20140. [PMID: 36300936 DOI: 10.1021/acsnano.2c04335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Ultrasmall peptide-protected gold nanoclusters are a promising class of bioresponsive material exhibiting pH-sensitive photoluminescence. We present a theoretical insight into the effect peptide-ligand environment has on pH-responsive fluorescence, with the aim of enhancing the rational design of gold nanoclusters for bioapplications. Employing a hybrid quantum/classical computational methodology, we systematically calculate deprotonation free energies of N-terminal cysteine amine groups in proximity to the inherently fluorescent core of Au25(Peptide)18 nanoclusters. We find that subtle changes in hexapeptide sequence alter the electrostatic environment and significantly shift the conventional N-terminal amine pKa expected for amino acids free-in-solution. Our findings provide an insight into how the deprotonation equilibrium of N-terminal amine and side chain carboxyl groups cooperatively respond to solution pH changes, explaining the experimentally observed, yet elusive, pH-responsive fluorescence of peptide-functionalized Au25 clusters.
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Affiliation(s)
- Laura Zanetti-Polzi
- Istituto di Nanoscienze, Consiglio Nazionale delle Ricerche CNR-NANO, 41125Modena, Italy
| | | | - Irene Yarovsky
- School of Engineering, RMIT University, Victoria3001, Australia
| | - Stefano Corni
- Istituto di Nanoscienze, Consiglio Nazionale delle Ricerche CNR-NANO, 41125Modena, Italy
- Dipartimento di Scienze Chimiche, Università di Padova, 35131Padova, Italy
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19
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Luo L, Liu Z, Du X, Jin R. Near-Infrared Dual Emission from the Au 42(SR) 32 Nanocluster and Tailoring of Intersystem Crossing. J Am Chem Soc 2022; 144:19243-19247. [PMID: 36239690 DOI: 10.1021/jacs.2c09107] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This work presents the synthesis and intriguing photoluminescence of the Au42(PET)32 (PET = 2-phenylethanethiolate) nanocluster (NC). The Au42(PET)32 NC exhibits dual emission at 875 and 1040 nm, which are revealed to be fluorescence and phosphorescence, respectively. The emission quantum yield (QY) of Au42(PET)32 in dichloromethane is 11.9% at room temperature in air, which is quite rare for thiolate-protected Au NCs. When Au42(PET)32 NCs are embedded in polystyrene films (solid state), the fluorescence was dramatically suppressed while the phosphorescence was significantly enhanced. This divergent behavior is explained by dipolar interaction-induced enhancement of intersystem crossing from singlet to triplet excited state.
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Affiliation(s)
- Lianshun Luo
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania15213, United States
| | - Zhongyu Liu
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania15213, United States
| | - Xiangsha Du
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania15213, United States
| | - Rongchao Jin
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania15213, United States
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20
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Wu Y, Lu K, Pei F, Yan Y, Feng S, Hao Q, Xia M, Lei W. Construction of g-C3N4/Au/NH2-UiO-66 Z-scheme heterojunction for label-free photoelectrochemical recognition of D-penicillamine. Talanta 2022; 248:123617. [DOI: 10.1016/j.talanta.2022.123617] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 05/05/2022] [Accepted: 05/25/2022] [Indexed: 01/23/2023]
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21
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Chang Z, Gong X, Zeng L, Wang J, Zhu Y. Magnetic Zr-Based Metal-Organic Frameworks: A Highly Efficient Au (III) Trapper for Gold Recycling. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6531. [PMID: 36233876 PMCID: PMC9572273 DOI: 10.3390/ma15196531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 09/14/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
In this work, the magnetic Zr-based MOF composites with excellent retrievability were prepared using Fe3O4@SiO2 as the core and UiO-66-NH2 as the shell. Fe3O4@SiO2 core could introduce mesopores and result in capillary condensation in MOF composites, which aggravated with the dosage of Fe3O4@SiO2. The as-synthesized MOF composites could be rapidly retrieved from aqueous solution via magnetic separation in 10 seconds. pH imposed an important effect on Au (III) adsorption by governing the ion exchange and electrostatic interaction between Au (III) anions and adsorbents, and the optimal adsorption happened at pH 7. The adsorption process fitted well with the pseudo-second order kinetics model and Langmuir adsorption model. The maximum adsorption capacity of Au (III) by FSUN-10 and FSUN-50 at 298 K were determined to be 611.18 mg∙g-1 and 463.85 mg∙g-1, respectively. Additionally, Au (III) uptakes increased with temperature. Beyond experiments, the adsorption mechanisms were thoroughly studied through systematic characterization, molecular dynamics simulation (MDS) and density functional theory (DFT) study. It was verified that Au (III) was adsorbed via coordination to hydroxyl and amino groups and was reduced to Au (I) and Au (0) by amino groups. The diffusion coefficient of Au (III) along UiO-66-NH2 was calculated to be 5.8 × 10-5 cm2∙s-1. Moreover, the magnetic Zr-based MOF composites exhibit great industrial value in gold recycling with high adsorption selectivity and good recyclability.
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Affiliation(s)
- Ziyong Chang
- Civil and Resource Engineering School, University of Science and Technology Beijing, Beijing 100083, China
| | - Xiaosha Gong
- Civil and Resource Engineering School, University of Science and Technology Beijing, Beijing 100083, China
| | - Liang Zeng
- Civil and Resource Engineering School, University of Science and Technology Beijing, Beijing 100083, China
| | - Junlian Wang
- Civil and Resource Engineering School, University of Science and Technology Beijing, Beijing 100083, China
| | - Yangge Zhu
- BGRIMM Technology Group, State Key Laboratory of Mineral Processing, Beijing 100160, China
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22
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Chauhan S, Patel K, Jain P, Jangid AK, Patel S, Medicherla K, Limbad K, Mehta C, Kulhari H. Matrix Metalloproteinase Enzyme Responsive Delivery of 5-Fluorouracil Using Collagen-I Peptide Functionalized Dendrimer-Gold Nanocarrier. Drug Dev Ind Pharm 2022; 48:333-342. [PMID: 35983681 DOI: 10.1080/03639045.2022.2113404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
ObjectiveThe aim was to develop matrix metalloproteinase 1 (MMP1) responsive nanoparticle system for the delivery of 5-fluorouracil (5Fu) anticancer drug.SignificanceThe MMP1 in the cancer microenvironment induced drug release have advantage of targeted drug release and reduce the distribution of drug to the healthy tissuesMethodG5 polyamidoamine PAMAM dendrimer (G5) coated gold nanoparticles were synthesized and loaded with 5Fu. The drug loaded nanoparticles were further coated with collagen I (Col-I) peptide which is a substrate for MMP1 enzyme (Col-I 5Fu@G5AuNP).ResultThe nanoparticles were highly monodispersed with a particle size of 30 nm and showed high drug encapsulation efficiency. The release of drug from the nanoparticles in HEPES buffer pH 7.4 was faster, higher and better controlled when incubated with MMP1 enzyme. The half-maximum inhibitory concentration for Col-I 5Fu@G5AuNP was eight times lower than the 5Fu against MCF-7, suggesting the improved delivery and anticancer activity of 5Fu after encapsulation in the developed enzyme-responsive nanocarrier system. The computed tomography (CT) x-ray attenuation of Col-I@G5AuNP showed a good contrasting property.ConclusionThe formulation Col-I 5Fu@G5AuNP has improved anticancer activity than free drug and the CT imaging results are promising for its theranostic applications for breast cancer.
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Affiliation(s)
| | - Krunal Patel
- School of Life Sciences, Central University of Gujarat, Gandhinagar-382030, India
| | | | - Ashok Kumar Jangid
- School of Nano Sciences.,Department of Chemical & Biochemical Engineering, College of Engineering, Dongguk University, Seoul, South Korea
| | - Sunita Patel
- School of Life Sciences, Central University of Gujarat, Gandhinagar-382030, India
| | - Kanakaraju Medicherla
- Department of Human Genetics, College of Science and Technology, Andhra University, Visakhapatnam-530003, India
| | - Kajal Limbad
- Department of Radiology, S.S G Hospital and Baroda Medical College, Vadodara-390020, India
| | - Chetan Mehta
- Department of Radiology, S.S G Hospital and Baroda Medical College, Vadodara-390020, India
| | - Hitesh Kulhari
- School of Nano Sciences.,Department of Pharmaceutical Technology (Formulations), National Institute of Pharmaceutical Education and Research, Guwahati-781101, India
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23
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Glutathione-capped gold nanoclusters as near-infrared-emitting efficient contrast agents for confocal fluorescence imaging of tissue-mimicking phantoms. Mikrochim Acta 2022; 189:337. [PMID: 35978146 DOI: 10.1007/s00604-022-05440-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 07/31/2022] [Indexed: 10/15/2022]
Abstract
An innovative research has been conducted focused on demonstrating the ability of novel dual-emissive glutathione-stabilized gold nanoclusters (GSH-AuNCs) to perform bright near-infrared (NIR)-emitting contrast agents inside tissue-mimicking agarose-phantoms via two complementary confocal fluorescence imaging techniques. First, using a new and fast microwave-assisted approach, we synthesized photostable dual-emitting GSH-AuNCs with an average size of 3.2 ± 0.4 nm and NIR emission quantum yield of 9.9%. Steady-state fluorescence measurements coupled with fluorescence lifetime imaging microscopy (FLIM) assays performed on lyophilized GSH-AuNCs revealed that the obtained GSH-AuNCs exhibit PL emissions at 610 nm (red PL) and, respectively, 800 nm (NIR PL) in both solution and powder solid-state. Time-resolved fluorescence measurements showed that the two PL components are characterized by average lifetimes of 407 ns (red PL) and 1821 ns (NIR PL), respectively. Additionally, due to a partial overlap between the red PL and the absorption of the NIR PL, an energy transfer between the two coexisting emissive centers was discovered and confirmed via steady-state and time-resolved fluorescence measurements. Furthermore, the FLIM analysis performed on powder GSH-AuNCs under 640 nm, an excitation more suitable for bioimaging applications, revealed a homogeneous and photostable NIR PL signal from GSH-AuNCs. Finally, the ability of GSH-AuNCs to operate as reliable NIR-emitting contrast agents inside tissue-mimicking agarose-phantoms was demonstrated here for the first time via complementary FLIM and re-scan confocal fluorescence imaging techniques. In consequence, GSH-AuNCs show great promise for future in vivo imaging applications via confocal fluorescence microscopy.
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24
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Li W, Xingzhuo zhou, Yan W, Wang R, Yang Z, Hu Y, Liu Y, Jia Z, Li Y. Lysozyme-encapsulated gold nanoclusters for ultrasensitive detection of folic acid and in vivo imaging. Talanta 2022; 251:123789. [DOI: 10.1016/j.talanta.2022.123789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/15/2022] [Accepted: 07/25/2022] [Indexed: 10/16/2022]
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25
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Li X, Zhao CX, Lin L. Plasma-based instant synthesis of functionalized gold nanoparticles for colorimetric detection of lead ions. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.117849] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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26
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Van Dao D, Choi H, Nguyen TTD, Ki SW, Kim GC, Son H, Yang JK, Yu YT, Kim HY, Lee IH. Light-to-Hydrogen Improvement Based on Three-Factored Au@CeO 2/Gr Hierarchical Photocatalysts. ACS NANO 2022; 16:7848-7860. [PMID: 35522525 DOI: 10.1021/acsnano.2c00509] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Recently, various attempts have been made for light-to-fuels conversion, often with limited performance. Herein we report active and lasting three-factored hierarchical photocatalysts consisting of plasmon Au, ceria semiconductor, and graphene conductor for hydrogen production. The Au@CeO2/Gr2.0 entity (graphene outer shell thickness of 2.0 nm) under visible-light irradiation exhibits a colossal achievement (8.0 μmol mgcat-1 h-1), which is 2.2- and 14.3-fold higher than those of binary Au@CeO2 and free-standing CeO2 species, outperforming the currently available catalysts. Yet, it delivers a high maximum quantum yield efficiency of 38.4% at an incident wavelength of 560 nm. These improvements are unambiguously attributed to three indispensable effects: (1) the plasmon resonant energy is light-excited and transferred to produce hot electrons localizing near the surface of Au@CeO2, where (2) the high-surface-area Gr conductive shell will capture them to direct hydrogen evolution reactions, and (3) the active graphene hybridized on the defect-rich surface of Au@CeO2 favorably adsorbs hydrogen atoms, which all bring up thorough insight into the working of a ternary Au@CeO2/Gr catalyst system in terms of light-to-hydrogen conversion.
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Affiliation(s)
- Dung Van Dao
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Hyuk Choi
- Department of Materials Science and Engineering, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Thuy T D Nguyen
- Division of Advanced Materials Engineering, Research Center of Advanced Materials Development, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Sang-Woo Ki
- Department of Optical Engineering, Kongju National University, Cheonan 31080, Republic of Korea
| | - Gyu-Cheol Kim
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Hoki Son
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Jin-Kyu Yang
- Department of Optical Engineering, Kongju National University, Cheonan 31080, Republic of Korea
| | - Yeon-Tae Yu
- Division of Advanced Materials Engineering, Research Center of Advanced Materials Development, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Hyun You Kim
- Department of Materials Science and Engineering, Chungnam National University, Daejeon 34134, Republic of Korea
| | - In-Hwan Lee
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
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27
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Rahmoune PN, Barama S, Davidson A, Montero D, Selmane M, Miche A, Benaliouche F, Barama A. Photocatalytic Easy Recovery of Orthophosphates Contaminants in Water Using Amberlite‐732 Cationic‐Resin Exchanged by Ce
3+
and Ce
3+
‐Au
3+
Species. ChemistrySelect 2022. [DOI: 10.1002/slct.202104577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- PhDS. Nawel Rahmoune
- Laboratoire Matériaux Catalytiques et Catalyse en Chimie Organique (LMCCCO) Université USTHB BP32 El Alia Bab Ezzouar 16111 Algiers Algeria
| | - Siham Barama
- Laboratoire Matériaux Catalytiques et Catalyse en Chimie Organique (LMCCCO) Université USTHB BP32 El Alia Bab Ezzouar 16111 Algiers Algeria
| | - Anne Davidson
- Laboratoire de Réactivité de Surface (LRS) UMR 7197 Sorbonne Université-CNRS, UPMC 4 Place Jussieu 75005 Paris France
| | - David Montero
- Sorbonne Université, CNRS, Fédération de Chimie et Matériaux de Paris-Centre, 4 Place Jussieu 75005 Paris France
| | - Mohamed Selmane
- Sorbonne Université, CNRS, Fédération de Chimie et Matériaux de Paris-Centre, 4 Place Jussieu 75005 Paris France
| | - Antoine Miche
- Laboratoire de Réactivité de Surface (LRS) UMR 7197 Sorbonne Université-CNRS, UPMC 4 Place Jussieu 75005 Paris France
| | - Fouad Benaliouche
- Unité Physico-chimie des Matériaux (UPM-UER) Ecole Militaire Polytechnique (EMP) BP17 Bordj-El-Bahri 16046 Algiers Algeria
| | - Akila Barama
- Laboratoire Matériaux Catalytiques et Catalyse en Chimie Organique (LMCCCO) Université USTHB BP32 El Alia Bab Ezzouar 16111 Algiers Algeria
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28
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Pavelka O, Kvakova K, Vesely J, Mizera J, Cigler P, Valenta J. Optically coupled gold nanostructures: plasmon enhanced luminescence from gold nanorod-nanocluster hybrids. NANOSCALE 2022; 14:3166-3178. [PMID: 35142320 DOI: 10.1039/d1nr08254j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Photoluminescent (PL) gold nanoclusters (AuNCs) show many advantages over conventional semiconductor quantum dots, however, their application potential is limited by their relatively low absorption cross-section and quantum yield. Plasmonic enhancement is a common strategy for improving the performance of weak fluorophores, yet in the case of AuNCs this method is still poorly explored. Here a robust synthetic approach to a compact plasmonic nanostructure enhancing significantly the PL of AuNCs is presented. Two gold nanostructures, AuNCs and plasmonic gold nanorods (AuNRs), are assembled in a compact core-shell nanostructure with tunable geometry and optical properties. The unprecedented degree of control over the structural parameters of the nanostructure allows to study the effects of several parameters, such as excitation wavelength, AuNC-AuNR distance, and relative loading of AuNCs per single AuNR. Consequently, a more general method to measure and evaluate enhancement independently of the absolute particle concentrations is introduced. The highest PL intensity enhancement is obtained when the excitation wavelength matches the strong longitudinal plasmonic band of the AuNRs and when the separation distance between AuNCs and AuNRs decreases to 5 nm. The results presented are relevant for the application of AuNCs in optoelectronic devices and bioimaging.
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Affiliation(s)
- Ondrej Pavelka
- Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16, Prague, Czechia.
| | - Klaudia Kvakova
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague, Czechia.
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University, Katerinska 1660/32, 121 08, Prague, Czechia
| | - Jozef Vesely
- Department of Physics of Materials, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16, Prague, Czechia
| | - Jiri Mizera
- Department of Nuclear Spectroscopy, Nuclear Physics Institute of the Czech Academy of Sciences, 250 68, Rez, Czechia
| | - Petr Cigler
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague, Czechia.
| | - Jan Valenta
- Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16, Prague, Czechia.
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29
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Lu H, Chen B, Li Y, Shi J, Li J, Wang L, Luo S, Fan C, Shen J, Chen J. Benzyl-rich ligand engineering of the photostability of atomically precise gold nanoclusters. Chem Commun (Camb) 2022; 58:2395-2398. [DOI: 10.1039/d1cc06467c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of [core+exo]-type Au8 nanoclusters (NCs) bearing two benzyl-rich ligands on the exo gold atoms were synthesized, which exhibit significant photostability and chemical stability. Furthermore, the benzyl-rich ligands enhance...
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30
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Basu S, Paul A, Antoine R. Controlling the Chemistry of Nanoclusters: From Atomic Precision to Controlled Assembly. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 12:62. [PMID: 35010012 PMCID: PMC8746821 DOI: 10.3390/nano12010062] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/16/2021] [Accepted: 12/22/2021] [Indexed: 06/14/2023]
Abstract
Metal nanoclusters have gained prominence in nanomaterials sciences, owing to their atomic precision, structural regularity, and unique chemical composition. Additionally, the ligands stabilizing the clusters provide great opportunities for linking the clusters in higher order dimensions, eventually leading to the formation of a repertoire of nanoarchitectures. This makes the chemistry of atomic clusters worth exploring. In this mini review, we aim to focus on the chemistry of nanoclusters. Firstly, we summarize the important strategies developed so far for the synthesis of atomic clusters. For each synthetic strategy, we highlight the chemistry governing the formation of nanoclusters. Next, we discuss the key techniques in the purification and separation of nanoclusters, as the chemical purity of clusters is deemed important for their further chemical processing. Thereafter which we provide an account of the chemical reactions of nanoclusters. Then, we summarize the chemical routes to the spatial organization of atomic clusters, highlighting the importance of assembly formation from an application point of view. Finally, we raise some fundamentally important questions with regard to the chemistry of atomic clusters, which, if addressed, may broaden the scope of research pertaining to atomic clusters.
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Affiliation(s)
- Srestha Basu
- Schulich Faculty of Chemistry, Technion—Israel Institute of Technology, Haifa 3200003, Israel;
| | - Anumita Paul
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Rodolphe Antoine
- Institut Lumière Matière UMR 5306, Univ Lyon, Université Claude Bernard Lyon 1, CNRS, F-69100 Villeurbanne, France
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31
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Das AK, Mekkat R, Maity S, Nair AS, Bhandary S, Bhowal R, Patra A, Pathak B, Chopra D, Mandal S. Role of Ligand on Photophysical Properties of Nanoclusters with fcc Kernel: A Case Study of Ag 14(SC 6H 4X) 12(PPh 3) 8 (X = F, Cl, Br). Inorg Chem 2021; 60:19270-19277. [PMID: 34882397 DOI: 10.1021/acs.inorgchem.1c03083] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The structure-property correlation of a series of silver nanoclusters (NCs) is essential to understand the origin of photophysical properties. Here, we report a series of face-centered cubic (fcc)-based silver NCs by varying the halogen atom in the thiolate ligand to investigate the influence of the halide atoms on the electronic structure. These are {Ag14(FBT)12(PPh3)8·(solvent)x} (NC-1), Ag14(CBT)12(PPh3)8 (NC-2), and Ag14(BBT)12(PPh3)8 (NC-3), where 4-fluorothiophenol (FBT), 4-chlorothiophenol (CBT), and 4-bromothiophenol (BBT) have been utilized as thiolate ligands, respectively. Interestingly, the optical and electrochemical bandgap values of these NCs nicely correlated with the electronic effect of the halides, which is governed by the intracluster and interclusters π-π interactions. These clusters are emissive at room temperature and the luminescence intensity increases with the lowering of temperature. The short lifetime data suggest that the emission is predominantly originating due to the interband relaxation (d → sp) of the Ag cores. Femtosecond transient absorption (TA) spectra revealed similar types of decay profiles for NC-2 and NC-3 and longer decay time for NC-2. The relaxation dominates the decay profile to the surface states and most of the excited-state energy dissipates via this process. This supports the molecular-like dynamics of these series of NCs with an fcc core. This overview shed light on an in-depth understanding of ligand's role in luminescence and transient absorption spectra.
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Affiliation(s)
- Anish Kumar Das
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 69551, India
| | - Roopesh Mekkat
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 69551, India
| | - Subarna Maity
- School of Materials Sciences, Indian Association for the Cultivation of Science, Kolkata, Kolkata, West Bengal 700032, India
| | - Akhil S Nair
- Department of Chemistry, Indian Institute of Technology, Indore, Indore, Madhya Pradesh 453552, India
| | - Subhrajyoti Bhandary
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, 462066, India
| | - Rohit Bhowal
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, 462066, India
| | - Amitava Patra
- School of Materials Sciences, Indian Association for the Cultivation of Science, Kolkata, Kolkata, West Bengal 700032, India
| | - Biswarup Pathak
- Department of Chemistry, Indian Institute of Technology, Indore, Indore, Madhya Pradesh 453552, India
| | - Deepak Chopra
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, 462066, India
| | - Sukhendu Mandal
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Kerala 69551, India
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32
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Peng Y, Huang X, Wang F. Near-infrared emitting gold-silver nanoclusters with large Stokes shifts for two-photon in vivo imaging. Chem Commun (Camb) 2021; 57:13012-13015. [PMID: 34806718 DOI: 10.1039/d1cc04445a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Near-infrared emitting bi-metallic gold/silver nanoclusters with large Stokes shifts were manufactured through one-pot synthesis. The gold/silver nanoclusters exhibit strong NIR fluorescence due to the silver effect, which can be applied as a two-photon fluorescent contrast agent for in vivo bioimaging.
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Affiliation(s)
- Yaowei Peng
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaoyu Huang
- Med-X Research Institute and School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Fu Wang
- Med-X Research Institute and School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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33
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Alagumalai K, Musuvadhi Babulal S, Chen SM, Shanmugam R, Yesuraj J. Electrochemical evaluation of naproxen through Au@f-CNT/GO nanocomposite in environmental water and biological samples. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.08.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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34
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Aires A, Sousaraei A, Möller M, Cabanillas-Gonzalez J, Cortajarena AL. Boosting the Photoluminescent Properties of Protein-Stabilized Gold Nanoclusters through Protein Engineering. NANO LETTERS 2021; 21:9347-9353. [PMID: 34723561 DOI: 10.1021/acs.nanolett.1c03768] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
This work reports on the use of protein engineering as a versatile tool to rationally design metal-binding proteins for the synthesis of highly photoluminescent protein-stabilized gold nanoclusters (Prot-AuNCs). The use of a single repeat protein scaffold allowed the incorporation of a set of designed metal-binding sites to understand the effect of the metal-coordinating residues and the protein environment on the photoluminescent (PL) properties of gold nanoclusters (AuNCs). The resulting Prot-AuNCs, synthesized by two sustainable procedures, showed size-tunable color emission and outstanding PL properties. In a second stage, tryptophan (Trp) residues were introduced at specific positions to provide an electron-rich protein environment and favor energy transfer from Trps to AuNCs. This modification resulted in improved PL properties relevant for future applications in sensing, biological labeling, catalysis, and optics.
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Affiliation(s)
- Antonio Aires
- Center for Cooperative Research in Biomaterials (CICbiomaGUNE), Basque Research and Technology Alliance (BRTA). Paseo de Miramón 194, Donostia-San Sebastián 20014, Spain
| | - Ahmad Sousaraei
- Madrid Institute for Advanced Studies, IMDEA Nanociencia, Campus Universitario de Cantoblanco, Madrid 28049, Spain
| | - Marco Möller
- Center for Cooperative Research in Biomaterials (CICbiomaGUNE), Basque Research and Technology Alliance (BRTA). Paseo de Miramón 194, Donostia-San Sebastián 20014, Spain
| | - Juan Cabanillas-Gonzalez
- Madrid Institute for Advanced Studies, IMDEA Nanociencia, Campus Universitario de Cantoblanco, Madrid 28049, Spain
| | - Aitziber L Cortajarena
- Center for Cooperative Research in Biomaterials (CICbiomaGUNE), Basque Research and Technology Alliance (BRTA). Paseo de Miramón 194, Donostia-San Sebastián 20014, Spain
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
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35
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Younis MR, He G, Qu J, Lin J, Huang P, Xia X. Inorganic Nanomaterials with Intrinsic Singlet Oxygen Generation for Photodynamic Therapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2102587. [PMID: 34561971 PMCID: PMC8564446 DOI: 10.1002/advs.202102587] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/22/2021] [Indexed: 05/07/2023]
Abstract
Inorganic nanomaterials with intrinsic singlet oxygen (1 O2 ) generation capacity, are emerged yet dynamically developing materials as nano-photosensitizers (NPSs) for photodynamic therapy (PDT). Compared to previously reported nanomaterials that have been used as either carriers to load organic PSs or energy donors to excite the attached organic PSs through a Foster resonance energy transfer process, these NPSs possess intrinsic 1 O2 generation capacity with extremely high 1 O2 quantum yield (e.g., 1.56, 1.3, 1.26, and 1.09) than any classical organic PS reported to date, and thus are facilitating to make a revolution in PDT. In this review, the recent advances in the development of various inorganic nanomaterials as NPSs, including metal-based (gold, silver, and tungsten), metal oxide-based (titanium dioxide, tungsten oxide, and bismuth oxyhalide), metal sulfide-based (copper and molybdenum sulfide), carbon-based (graphene, fullerene, and graphitic carbon nitride), phosphorus-based, and others (hybrids and MXenes-based NPSs) are summarized, with an emphasis on the design principle and 1 O2 generation mechanism, and the photodynamic therapeutic performance against different types of cancers. Finally, the current challenges and an outlook of future research are also discussed. This review may provide a comprehensive account capable of explaining recent progress as well as future research of this emerging paradigm.
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Affiliation(s)
- Muhammad Rizwan Younis
- Marshall Laboratory of Biomedical EngineeringInternational Cancer CenterLaboratory of Evolutionary Theranostics (LET)School of Biomedical EngineeringShenzhen University Health Science CenterShenzhen518060China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Optoelectronic EngineeringShenzhen UniversityShenzhen518060China
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life SciencesSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210093P.R. China
| | - Gang He
- Marshall Laboratory of Biomedical EngineeringInternational Cancer CenterLaboratory of Evolutionary Theranostics (LET)School of Biomedical EngineeringShenzhen University Health Science CenterShenzhen518060China
| | - Junle Qu
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Optoelectronic EngineeringShenzhen UniversityShenzhen518060China
| | - Jing Lin
- Marshall Laboratory of Biomedical EngineeringInternational Cancer CenterLaboratory of Evolutionary Theranostics (LET)School of Biomedical EngineeringShenzhen University Health Science CenterShenzhen518060China
| | - Peng Huang
- Marshall Laboratory of Biomedical EngineeringInternational Cancer CenterLaboratory of Evolutionary Theranostics (LET)School of Biomedical EngineeringShenzhen University Health Science CenterShenzhen518060China
| | - Xing‐Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life SciencesSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210093P.R. China
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36
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Serrà A, Sebastián-Pascual P, Landa-Castro M, Gómez E. Electrochemical assessment of high active area of cobalt deposited in deep eutectic solvent. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Algar WR, Massey M, Rees K, Higgins R, Krause KD, Darwish GH, Peveler WJ, Xiao Z, Tsai HY, Gupta R, Lix K, Tran MV, Kim H. Photoluminescent Nanoparticles for Chemical and Biological Analysis and Imaging. Chem Rev 2021; 121:9243-9358. [PMID: 34282906 DOI: 10.1021/acs.chemrev.0c01176] [Citation(s) in RCA: 123] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Research related to the development and application of luminescent nanoparticles (LNPs) for chemical and biological analysis and imaging is flourishing. Novel materials and new applications continue to be reported after two decades of research. This review provides a comprehensive and heuristic overview of this field. It is targeted to both newcomers and experts who are interested in a critical assessment of LNP materials, their properties, strengths and weaknesses, and prospective applications. Numerous LNP materials are cataloged by fundamental descriptions of their chemical identities and physical morphology, quantitative photoluminescence (PL) properties, PL mechanisms, and surface chemistry. These materials include various semiconductor quantum dots, carbon nanotubes, graphene derivatives, carbon dots, nanodiamonds, luminescent metal nanoclusters, lanthanide-doped upconversion nanoparticles and downshifting nanoparticles, triplet-triplet annihilation nanoparticles, persistent-luminescence nanoparticles, conjugated polymer nanoparticles and semiconducting polymer dots, multi-nanoparticle assemblies, and doped and labeled nanoparticles, including but not limited to those based on polymers and silica. As an exercise in the critical assessment of LNP properties, these materials are ranked by several application-related functional criteria. Additional sections highlight recent examples of advances in chemical and biological analysis, point-of-care diagnostics, and cellular, tissue, and in vivo imaging and theranostics. These examples are drawn from the recent literature and organized by both LNP material and the particular properties that are leveraged to an advantage. Finally, a perspective on what comes next for the field is offered.
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Affiliation(s)
- W Russ Algar
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Melissa Massey
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Kelly Rees
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Rehan Higgins
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Katherine D Krause
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Ghinwa H Darwish
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - William J Peveler
- School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Zhujun Xiao
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Hsin-Yun Tsai
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Rupsa Gupta
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Kelsi Lix
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Michael V Tran
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Hyungki Kim
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
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Kum-onsa P, Chanlek N, Manyam J, Thongbai P, Harnchana V, Phromviyo N, Chindaprasirt P. Gold-Nanoparticle-Deposited TiO 2 Nanorod/Poly(Vinylidene Fluoride) Composites with Enhanced Dielectric Performance. Polymers (Basel) 2021; 13:2064. [PMID: 34201841 PMCID: PMC8271968 DOI: 10.3390/polym13132064] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 06/21/2021] [Indexed: 11/16/2022] Open
Abstract
Flexible dielectric polymer composites have been of great interest as embedded capacitor materials in the electronic industry. However, a polymer composite has a low relative dielectric permittivity (ε' < 100), while its dielectric loss tangent is generally large (tanδ > 0.1). In this study, we fabricate a novel, high-permittivity polymer nanocomposite system with a low tanδ. The nanocomposite system comprises poly(vinylidene fluoride) (PVDF) co-filled with Au nanoparticles and semiconducting TiO2 nanorods (TNRs) that contain Ti3+ ions. To homogeneously disperse the conductive Au phase, the TNR surface was decorated with Au-NPs ~10-20 nm in size (Au-TNRs) using a modified Turkevich method. The polar β-PVDF phase was enhanced by the incorporation of the Au nanoparticles, partially contributing to the enhanced ε' value. The introduction of the Au-TNRs in the PVDF matrix provided three-phase Au-TNR/PVDF nanocomposites with excellent dielectric properties (i.e., high ε' ≈ 157 and low tanδ ≈ 0.05 at 1.8 vol% of Au and 47.4 vol% of TNRs). The ε' of the three-phase Au-TNR/PVDF composite is ~2.4-times higher than that of the two-phase TNR/PVDF composite, clearly highlighting the primary contribution of the Au nanoparticles at similar filler loadings. The volume fraction dependence of ε' is in close agreement with the effective medium percolation theory model. The significant enhancement in ε' was primarily caused by interfacial polarization at the PVDF-conducting Au nanoparticle and PVDF-semiconducting TNR interfaces, as well as by the induced β-PVDF phase. A low tanδ was achieved due to the inhibited conducting pathway formed by direct Au nanoparticle contact.
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Affiliation(s)
- Pornsawan Kum-onsa
- Materials Science and Nanotechnology Program, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Narong Chanlek
- Synchrotron Light Research Institute (Public Organization), 111 University Avenue, Muang District, Nakhon Ratchasima 30000, Thailand;
| | - Jedsada Manyam
- Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand;
| | - Prasit Thongbai
- Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand;
- Institute of Nanomaterials Research and Innovation for Energy (IN-RIE), NANOTEC-KKU RNN on Nanomaterials Research and Innovation for Energy, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Viyada Harnchana
- Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand;
- Institute of Nanomaterials Research and Innovation for Energy (IN-RIE), NANOTEC-KKU RNN on Nanomaterials Research and Innovation for Energy, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Nutthakritta Phromviyo
- Sustainable Infrastructure Research and Development Center, Department of Civil Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand; (N.P.); (P.C.)
| | - Prinya Chindaprasirt
- Sustainable Infrastructure Research and Development Center, Department of Civil Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand; (N.P.); (P.C.)
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Pramanik G, Kvakova K, Thottappali MA, Rais D, Pfleger J, Greben M, El-Zoka A, Bals S, Dracinsky M, Valenta J, Cigler P. Inverse heavy-atom effect in near infrared photoluminescent gold nanoclusters. NANOSCALE 2021; 13:10462-10467. [PMID: 34076660 DOI: 10.1039/d1nr02440j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Fluorophores functionalized with heavy elements show enhanced intersystem crossing due to increased spin-orbit coupling, which in turn shortens the fluorescence decay lifetime (τPL). This phenomenon is known as the heavy-atom effect (HAE). Here, we report the observation of increased τPL upon functionalisation of near-infrared photoluminescent gold nanoclusters with iodine. The heavy atom-mediated increase in τPL is in striking contrast with the HAE and referred to as inverse HAE. Femtosecond and nanosecond transient absorption spectroscopy revealed overcompensation of a slight decrease in lifetime of the transition associated with the Au core (ps) by a large increase in the long-lived triplet state lifetime associated with the Au shell, which contributed to the observed inverse HAE. This unique observation of inverse HAE in gold nanoclusters provides the means to enhance the triplet excited state lifetime.
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Affiliation(s)
- Goutam Pramanik
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nam. 2, 166 10 Prague 6, Czechia.
| | - Klaudia Kvakova
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nam. 2, 166 10 Prague 6, Czechia.
| | - Muhammed Arshad Thottappali
- Institute of Macromolecular Chemistry of the CAS, Heyrovsky Sq. 2, 162 06 Prague 6, Czechia and Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16 Prague 2, Czechia.
| | - David Rais
- Institute of Macromolecular Chemistry of the CAS, Heyrovsky Sq. 2, 162 06 Prague 6, Czechia
| | - Jiri Pfleger
- Institute of Macromolecular Chemistry of the CAS, Heyrovsky Sq. 2, 162 06 Prague 6, Czechia
| | - Michael Greben
- Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16 Prague 2, Czechia.
| | - Ayman El-Zoka
- EMAT, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Sara Bals
- EMAT, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Martin Dracinsky
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nam. 2, 166 10 Prague 6, Czechia.
| | - Jan Valenta
- Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16 Prague 2, Czechia.
| | - Petr Cigler
- Institute of Organic Chemistry and Biochemistry of the CAS, Flemingovo nam. 2, 166 10 Prague 6, Czechia.
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40
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Valenta J, Greben M, Pramanik G, Kvakova K, Cigler P. Reversible photo- and thermal-effects on the luminescence of gold nanoclusters: implications for nanothermometry. Phys Chem Chem Phys 2021; 23:11954-11960. [PMID: 34002180 DOI: 10.1039/d0cp06467j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The optical properties of colloidal near-infrared (NIR) emitting gold nanoclusters (AuNCs) are thoroughly investigated at variable temperatures and excitation powers. Both absorption and photoluminescence (PL) excitation spectra reveal optical transitions expected from literature models of thiolated AuNCs - with the exception of the lowest energy transition which has the form of a featureless absorption tail partially overlapping with the PL band. The absorption cross section is determined via the PL saturation and PL modulation techniques to be in the range of 2-3 × 10-14 cm2 for excitation at 405 nm (relatively large value for such small clusters) and decreases ∼20 times toward 633 nm. Slow transient quenching (perfectly reversible) of PL is observed when the excitation power exceeds the saturation threshold, i.e. when the probability of achieving the second absorption in an excited AuNC before its relaxation is significant. A stable PL quenched level is reached within a fraction of a minute or a few minutes after the start of the excitation. Similar time intervals are needed for AuNCs to relax back to the original state in the dark. By comparing thermally-induced and light-induced PL decreases and PL kinetics speed up, we conclude that the transient quenching is due to heating caused by the dissipated excitation power. The light-induced PL amplitude reduction is much stronger (up to ∼80% under 405 nm, 60 W cm-2 excitation) than changes in PL decay time (∼20%), which is due to PL blinking and PL switching-off in a fraction of the AuNC ensemble. The potential application of these AuNCs in nanothermometry is discussed.
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Affiliation(s)
- Jan Valenta
- Department of Chemical Physics & Optics, Faculty of Mathematics & Physics, Charles University, Ke Karlovu 3, 121 16 Prague 2, Czechia.
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41
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Lee ES, Cha BS, Kim S, Park KS. Synthesis of Exosome-Based Fluorescent Gold Nanoclusters for Cellular Imaging Applications. Int J Mol Sci 2021; 22:ijms22094433. [PMID: 33922681 PMCID: PMC8122875 DOI: 10.3390/ijms22094433] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/18/2021] [Accepted: 04/21/2021] [Indexed: 12/24/2022] Open
Abstract
In recent years, fluorescent metal nanoclusters have been used to develop bioimaging and sensing technology. Notably, protein-templated fluorescent gold nanoclusters (AuNCs) are attracting interest due to their excellent fluorescence properties and biocompatibility. Herein, we used an exosome template to synthesize AuNCs in an eco-friendly manner that required neither harsh conditions nor toxic chemicals. Specifically, we used a neutral (pH 7) and alkaline (pH 11.5) pH to synthesize two different exosome-based AuNCs (exo-AuNCs) with independent blue and red emission. Using field-emission scanning electron microscopy, energy dispersive X-ray microanalysis, nanoparticle tracking analysis, and X-ray photoelectron spectroscopy, we demonstrated that AuNCs were successfully formed in the exosomes. Red-emitting exo-AuNCs were found to have a larger Stokes shift and a stronger fluorescence intensity than the blue-emitting exo-AuNCs. Both exo-AuNCs were compatible with MCF-7 (human breast cancer), HeLa (human cervical cancer), and HT29 (human colon cancer) cells, although blue-emitting exo-AuNCs were cytotoxic at high concentrations (≥5 mg/mL). Red-emitting exo-AuNCs successfully stained the nucleus and were compatible with membrane-staining dyes. This is the first study to use exosomes to synthesize fluorescent nanomaterials for cellular imaging applications. As exosomes are naturally produced via secretion from almost all types of cell, the proposed method could serve as a strategy for low-cost production of versatile nanomaterials.
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Toxicological evaluation of fluorescent 11-mercaptoundecanoic gold nanoclusters as promising label-free bioimaging probes in different cancer cell lines. Toxicol In Vitro 2021; 73:105140. [PMID: 33705896 DOI: 10.1016/j.tiv.2021.105140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/05/2021] [Indexed: 01/06/2023]
Abstract
Due to advancement in nanomaterials and increasing use of functionalized gold nanoclusters (AuNCs) in different biomedical applications, better understanding of their potential cytotoxicity is necessary. Interactions of ultra-small fluorescent AuNCs with mammalian cells remains up to this day poorly understood, therefore, cytotoxic evaluation of thoroughly characterized ca. 2.5 nm spherical water-soluble 11-mercaptoundecanoic acid coated AuNCs (AuNC@M) with diverse fluorescent properties in variety of mammalian cancer cell lines was performed. Cell viability was assessed by traditional MTT assay and xCELLigence real time cell analyzer. Cell apoptosis was evaluated via an Annexin V-FITC/propidium iodide (PI) assay. Confocal fluorescence imaging confirmed that tested AuNC@M entered live cells and were homogeneously distributed in their cytoplasm. The results suggested that the cytotoxicity of tested nanoclusters was very low, or near the control level at concentrations 0.1 and 0.5 mg/mL in the cell lines after 24 h exposition. The purity of tested AuNC@M had no relevant effect on cell viability and no differences were observed after 24 h in our study. The low toxicity toward cancer cells further strengthens our view that AuNC@M are promising label-free fluorescent probes for bio-labelling and bio-imaging, or they can even serve as platforms for antitumor drug delivery systems.
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Zheng X, Wang J, Rao J. The Chemistry in Surface Functionalization of Nanoparticles for Molecular Imaging. Mol Imaging 2021. [DOI: 10.1016/b978-0-12-816386-3.00021-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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44
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Gold nanoclusters fluorescence probe for monitoring chloramphenicol and study of two-dimensional correlation fluorescence spectroscopy. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.128875] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Kailasa SK, Kateshiya MR, Malek NI. Introduction of cellulose-cysteine Schiff base as a new ligand for the fabrication of blue fluorescent gold nanoclusters for the detection of indapamide drug. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114305] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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46
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Nasri A, Jaleh B, Khazalpour S, Nasrollahzadeh M, Shokouhimehr M. Facile synthesis of graphitic carbon nitride/chitosan/Au nanocomposite: A catalyst for electrochemical hydrogen evolution. Int J Biol Macromol 2020; 164:3012-3024. [DOI: 10.1016/j.ijbiomac.2020.08.143] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/13/2020] [Accepted: 08/18/2020] [Indexed: 12/23/2022]
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47
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Huang HY, Ca KB, Io CC, Chen PW, Soebroto RJ, Shen JL, Yeh JM, Yuan CT. Electronically Coupled Gold Nanoclusters Render Deep-Red Emission with High Quantum Yields. J Phys Chem Lett 2020; 11:9344-9350. [PMID: 33090790 DOI: 10.1021/acs.jpclett.0c02851] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Electronic coupling can be used to tailor electronic states and optical properties of the luminophores. Therefore, electronically coupled systems would provide unique properties, which cannot be achieved by individual constituents. Here, electronically coupled gold nanoclusters (AuNCs) were prepared on the basis of organosilane grafting and a sol-gel-derived porous silica template. After prolonged drying, the formed AuNCs@silica composites exhibited red-shifted, line-width-narrowed, deep-red emission with high quantum yields (QYs) of ∼66% due to electronic-coupling-enhanced radiative rates and covalent-bonding-suppressed nonradiative relaxation. Meanwhile, the absorption maximum was slightly blue-shifted, leading to a large Stokes shift. All experimental findings revealed the formation of electronically coupled AuNC aggregates confined inside the nanopores and bonded to silica matrix. The mechanism is distinctly different from conventional aggregation-enhanced emission. Our work would provide great potential to engineer photophysical properties by controlling the packing modes.
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Affiliation(s)
- Hsiu-Ying Huang
- Department of Physics, Chung Yuan Christian University, Taoyuan, Taiwan
| | - Kun-Bin Ca
- Department of Physics, Chung Yuan Christian University, Taoyuan, Taiwan
| | - Chong-Cho Io
- Master Program in Nanotechnology, Chung Yuan Christian University, Taoyuan, Taiwan
| | - Po-Wen Chen
- Physics Division, Institute of Nuclear Energy Research, Taoyuan, Taiwan
| | - Ruth Jeane Soebroto
- Master Program in Nanotechnology, Chung Yuan Christian University, Taoyuan, Taiwan
| | - Ji-Lin Shen
- Department of Physics, Chung Yuan Christian University, Taoyuan, Taiwan
| | - Jui-Ming Yeh
- Department of Chemistry, Chung Yuan Christian University, Taoyuan, Taiwan
| | - Chi-Tsu Yuan
- Department of Physics, Chung Yuan Christian University, Taoyuan, Taiwan
- Master Program in Nanotechnology, Chung Yuan Christian University, Taoyuan, Taiwan
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48
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Electroless deposition of gold nanoparticles on a glassy carbon surface to attain methylene blue degradation via oxygen reduction reactions. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136966] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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49
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Fatimah I, Hidayat H, Nugroho BH, Husein S. Ultrasound-assisted biosynthesis of silver and gold nanoparticles using Clitoria ternatea flower. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2020. [DOI: 10.1016/j.sajce.2020.06.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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50
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Hou TY, Shao FY, Sun YT, Yang KS, Chang WH, Lin CAJ. From mono-PEGylation towards anti-nonspecific protein interaction: comparison of dihydrolipoic acid versus glutathione-capped fluorescent gold nanoclusters using gel electrophoresis. NANOSCALE 2020; 12:17786-17794. [PMID: 32820774 DOI: 10.1039/d0nr03359f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Ultrafine fluorescent gold nanoclusters (AuNCs) have emerged as biocompatible nanoprobes for biomedical imaging in vivo, and the precision surface chemistry of AuNCs is the key for attaining their clinical application. Comparison of two promising candidates for future nanomedicine, i.e. dihydrolipoic acid- versus glutathione-capped AuNCs (AuNC@DHLA vs. AuNC@GSH), was conducted for the first time to clarify their polyethylene glycol-related bioconjugate chemistry (PEGylation) and protein interactions. Gel electrophoresis was performed to separate the number of AuNCs PEGylation, and the molecular weight of the PEG spacer dominated the resolution of the separation in the gel. We have engineered and isolated the mono-PEGylated AuNCs either from the indirect carbodiimide bioconjugate chemistry or the direct Au-S binding. One-pot synthesis showed great efficiency for isolating mono-PEGylated AuNC@GSH from the tailored controlled aggregation of Au(i)-thiolate complexes on in situ generated Au(0) cores. Post-PEGylation of AuNC@GSH was also feasible using monodendate thiol-terminated PEG, but bidendate ligands of AuNC@DHLA exhibited low PEGylated efficiency by Au-S binding. In addition, mono-PEGylated AuNC@GSH significantly enhanced the ability of anti-nonspecific protein adsorption, but mono-PEGylated AuNC@DHLA cannot avoid the nonspecific binding with serum albumin. In addition, specific nano-assembly involving mono-biotinylated AuNCs with streptavidin were also compared using gel electrophoresis. These results provide key insights into the selection, preparation and design of functional AuNCs as nanoprobes for versatile biomedical applications.
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Affiliation(s)
- Tzu-Yin Hou
- Department of Biomedical Engineering, Chung Yuan Christian University, Taoyuan 320314, Taiwan (R.O.C.).
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