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Luo JJ, Guo DY, Qu ZB, Luo HQ, Li NB, Zou HL, Li BL. Engineering in situ growth of Au nanoclusters on hydrophilic paper fibres for fluorescence calligraphy-based chemical logic gates and information encryption. NANOSCALE HORIZONS 2024. [PMID: 39224015 DOI: 10.1039/d4nh00307a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Gold nanoclusters (AuNCs) are a type of rising-star fluorescence nanomaterials, but their properties and applications are hindered by the multi-step synthesis and purification routes, as well as the lack of desired supporting substrates. To enhance optical performance and working efficiency, the synthesis and applications of AuNCs are suggested to be merged with emerging substrates. Herein, glutathione-modified hydrophilic rice papers are incubated in chloroauric acid aqueous solutions, and the oxidation-reduction reaction between glutathione and Au ions enables the in situ formation of fluorescent AuNCs on the solid fibres of rice papers. The in situ growth of fluorescent AuNCs on rice papers resulted in eye-catching fluorescence tracks, similar to traditional Chinese conventional calligraphy; thus, this fluoresence calligraphy is defined in this work. The entire process, including synthesis and signal responses, is extremely simple, rapid, and repeatable. Moreover, the diversity of additive chemical reagents in the studied rice papers resulted in responsive fluorescence calligraphy, and the as-synthesized AuNC materials exhibited high reliability and optical stability. Significantly, with the integration of synchronous formation and application of Au nanoclusters on hydrophilic paper substrates, high-performance logical gates and information encryption systems were constructed, remarkably facilitating the progress of molecular sensing and important information transmission.
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Affiliation(s)
- Jun Jiang Luo
- Key Laboratory of Modern Analytical Chemistry, Chongqing Education Commission, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Dun Ying Guo
- Key Laboratory of Modern Analytical Chemistry, Chongqing Education Commission, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Zi Bo Qu
- Key Laboratory of Modern Analytical Chemistry, Chongqing Education Commission, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Hong Qun Luo
- Key Laboratory of Modern Analytical Chemistry, Chongqing Education Commission, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Nian Bing Li
- Key Laboratory of Modern Analytical Chemistry, Chongqing Education Commission, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Hao Lin Zou
- Key Laboratory of Modern Analytical Chemistry, Chongqing Education Commission, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Bang Lin Li
- Key Laboratory of Modern Analytical Chemistry, Chongqing Education Commission, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
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Ma J, Yang M, Zhang B, Niu M. The roles of templates consisting of amino acids in the synthesis and application of gold nanoclusters. NANOSCALE 2024; 16:7287-7306. [PMID: 38529817 DOI: 10.1039/d3nr06042j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Gold nanoclusters (AuNCs) with low toxicity, high photostability, and facile synthesis have attracted great attention. The ligand is of great significance in stabilizing AuNCs and regulating their properties. Ligands consisting of amino acids (proteins and peptides) are an ideal template for synthesizing applicative AuNCs due to their inherent bioactivity, biocompatibility, and accessibility. In this review, we summarize the correlation of the template consisting of amino acids with the properties of AuNCs by analyzing different peptide sequences. The selection of amino acids can regulate the fluorescence excitation/emission and intensity, size, cell uptake, and light absorption. By analyzing the role played by AuNCs stabilized by proteins and peptides in the application, universal rules and detailed performances of sensors, antibacterial agents, therapeutic reagents, and light absorbers are reviewed. This review can guide the template design and application of AuNCs when selecting proteins and peptides as ligands.
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Affiliation(s)
- Jinliang Ma
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471000, China.
| | - Mengmeng Yang
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471000, China.
| | - Bin Zhang
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471000, China.
| | - Mingfu Niu
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, Henan 471000, China.
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Guo Y, Wang J, Zhang L, Wang J. Rapid chemical reduction synthesis of copper nanoclusters with blue fluorescence for highly sensitive detection of furazolidone. LUMINESCENCE 2024; 39:e4702. [PMID: 38418861 DOI: 10.1002/bio.4702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 01/29/2024] [Accepted: 02/05/2024] [Indexed: 03/02/2024]
Abstract
Tannic acid (TA), as a stabilizing agent, was successfully utilized to establish blue-emitting copper nanoclusters (TA-Cu NCs) on the basis of a facile chemical reduction preparation method. Characterization results proved successful synthesis of TA-Cu NCs with uniform size and excellent stability. TA-Cu NCs exhibited a blue emission wavelength at 431 nm when excited at 364 nm. Interestingly, the as-prepared TA-Cu NCs were selectively quenched by furazolidone based on static quenching. In addition, this analysis platform for furazolidone detection had an excellent linear range from 0.5 to 120 μM with a detection limit of 0.074 μM (S/N = 3). Furthermore, the accuracy of this sensing method was successfully confirmed by detecting furazolidone in bovine serum samples, indicating that TA-Cu NCs had bright application prospects.
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Affiliation(s)
- Yuyu Guo
- College of Arts, Taiyuan University of Technology, Jinzhong, Shanxi, China
| | - Jiancheng Wang
- College of Environmental Science and Engineering, Taiyuan University of Technology, Jinzhong, Shanxi, China
| | - Lili Zhang
- Technical Division, Shanxi iGreen Environmental Protection Technology Co. Ltd., Taiyuan, Shanxi, China
| | - Junkai Wang
- Technical Division, Shanxi iGreen Environmental Protection Technology Co. Ltd., Taiyuan, Shanxi, China
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Ge X, Zhang M, Yin F, Sun Q, Mo F, Huang X, Zheng Y, Wu G, Zhang Y, Shen Y. Supramolecular assembly-induced electrochemiluminescence enhancement of gold nanoclusters for hemoglobin detection. J Mater Chem B 2024; 12:1355-1360. [PMID: 38230749 DOI: 10.1039/d3tb02892e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Gold nanoclusters (Au NCs) with excellent optical properties and biocompatibility have become one of the most promising electrochemiluminescence (ECL) emitters. However, the low efficiency and poor stability of Au NCs restrict their applications in ECL. Herein, by supramolecular assembly of L-arginine (Arg) and 4-hydroxy-2-mercapto-6-methylpyrimidine (MTU) on the surface of Au NCs, Arg/MTU-Au NCs with enhanced ECL efficiency and stability were prepared. Compared with the MTU-stabilized Au NCs (MTU-Au NCs), the ECL efficiency of Arg/MTU-Au NCs increased by 24.8 times. As a proof-of-concept, a sensitive biosensing platform was constructed for sensitive detection of hemoglobin (Hb) in urine using Arg/MTU-Au NCs as ECL emitters. The proposed ECL detection platform provides a feasible strategy for the detection of biomarkers in urine and has broad application prospects in disease screening and clinical marker detection.
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Affiliation(s)
- Xue Ge
- Medical School, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210009, China.
| | - Mingming Zhang
- Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - Fei Yin
- Medical School, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210009, China.
| | - Qian Sun
- Medical School, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210009, China.
| | - Fan Mo
- Medical School, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210009, China.
| | - Xinzhou Huang
- Medical School, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210009, China.
| | - Ying Zheng
- Medical School, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210009, China.
| | - Guoqiu Wu
- Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing 210009, China
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210009, China
| | - Yuanjian Zhang
- Medical School, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210009, China.
| | - Yanfei Shen
- Medical School, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210009, China.
- Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing 210009, China
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210009, China
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Yu S, Li H, Duan Y, Xia S, Liu H, Huang H, Zhu H, Wang L, He H, Wang S. hROS-Responsive Behavior for Long-Term Stability of Cellulosic Gold Nanoclusters. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2307770. [PMID: 37963831 DOI: 10.1002/smll.202307770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/08/2023] [Indexed: 11/16/2023]
Abstract
Understanding the gold core-ligand interaction in gold nanoclusters (GNCs) is essential for the on-demand tailoring of their photoluminescence properties and long-term stability. Here, inspired by the suckers arranged directionally on the tentacles of octopus, a series of GNCs with regulating ligand structures are grown and stabilized on the cellulose nanocrystals (CNCs). The carboxylated CNCs providing an electron-rich environment to promote the luminescence of GNCs and stabilize it within a long-term of 1 year through anchoring and diluting effects, and the highest quantum yields reaches 31.02% in ultrapure water. Interestingly, this bionic preparation strategy is generally applicable to various ligands for tailoring on-demand hROS-responsive and nonresponsive GNCs to construct tunable-emission wavelength dual GNCs ratiometric probes. The results show that designing a specific ligand structure to inhibit the transformation of Au-Au to Au (I)-ligand in GNCs is crucial to regulate the hROS-responsive characteristics. As expected, the interfacial compatible dual GNCs ratiometric probe with a hROS limit of detection of 0.74 µmol L-1 can diagnose certain diseases through intracellular hROS imaging. This work provides important insights for understanding the gold core-ligand interaction in GNCs during the oxidation process triggered by intracellular hROS.
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Affiliation(s)
- Shanshan Yu
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Haoyuan Li
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Yujie Duan
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Siyuan Xia
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Hui Liu
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Huanhuan Huang
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Hongxiang Zhu
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Lei Wang
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Hui He
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Shuangfei Wang
- School of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
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Santhoshkumar S, Madhu M, Tseng WB, Tseng WL. Gold nanocluster-based fluorescent sensors for in vitro and in vivo ratiometric imaging of biomolecules. Phys Chem Chem Phys 2023; 25:21787-21801. [PMID: 37577965 DOI: 10.1039/d3cp02714g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Gold nanoclusters (AuNCs) are promising nanomaterials for ratiometric fluorescent probes due to their tunable fluorescence wavelengths dependent on size and structure, as well as their biocompatibility and resistance to photobleaching. By incorporating an additional fluorescence spectral peak, dual-emission AuNC-based fluorescent probes have been developed to enhance the signal output reproducibility. These probes can be fabricated by integrating various luminescent nanomaterials with AuNCs. This review focuses on the preparation methods and applications of ratiometric fluorescent probes derived from AuNCs and other fluorescent nanomaterials or fluorescent dyes for both in vitro and in vivo bioimaging of target analytes. Additionally, the review delves into the sensing mechanisms of AuNC-based ratiometric probes, their synthetic strategies, and the challenges encountered when using AuNCs for ratiometric bioimaging. Moreover, we explore the application of protein-stabilized AuNCs and thiolate-capped AuNC-based ratiometric fluorescent probes for biosensing and bioimaging. Two primary methods for assembling AuNCs and fluorophores into ratiometric fluorescent probes are discussed: triggered assembly and self-assembly. Finally, we address the challenges and issues associated with ratiometric bioimaging using AuNCs and propose future directions for further advancing AuNCs as ratiometric imaging agents.
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Affiliation(s)
- S Santhoshkumar
- Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Gushan District, Kaohsiung 80424, Taiwan.
| | - Manivannan Madhu
- Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Gushan District, Kaohsiung 80424, Taiwan.
| | - Wei-Bin Tseng
- Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Gushan District, Kaohsiung 80424, Taiwan.
- Department of Environmental Engineering, Da-Yeh University, No. 168, University Rd., Dacun, Changhua 515006, Taiwan.
| | - Wei-Lung Tseng
- Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Gushan District, Kaohsiung 80424, Taiwan.
- School of Pharmacy, Kaohsiung Medical University, No. 100, Shiquan 1st Road, Sanmin District, Kaohsiung 80708, Taiwan
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