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Pérez-Herráez I, Justo-Tirado M, Bueno-Cuenca M, Zaballos-García E, Pérez-Prieto J. Flavin adenine dinucleotide-capped gold nanoclusters: biocompatible photo-emissive nanomaterial and reservoir of lumichrome. NANOSCALE ADVANCES 2022; 4:2250-2254. [PMID: 36133697 PMCID: PMC9418107 DOI: 10.1039/d2na00110a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 04/14/2022] [Indexed: 06/16/2023]
Abstract
A novel biocompatible nanohybrid consisting of gold nanoclusters (AuNCs) capped with FAD cofactor molecules exhibits distinctive and unique features compared to those of free FAD. The spherical shape of the AuNC provides a large surface to volume ratio, thereby enabling a huge amount of FAD on the AuNC surface while, in basic media and under nitrogen atmosphere, the considerable curvature of its surface enables light-triggered delivery of lumichrome, which is an effective photosensitizer and fluorescent probe.
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Affiliation(s)
- Irene Pérez-Herráez
- Instituto de Ciencia Molecular (ICMol), Universitat de Valencia Calle Catedrático José Beltrán 2 46980 Paterna Valencia Spain
- Department of Organic Chemistry, Universitat de Valencia Av. Vicent Andrés Estellés s/n 46100 Burjassot Valencia Spain
| | - Miguel Justo-Tirado
- Instituto de Ciencia Molecular (ICMol), Universitat de Valencia Calle Catedrático José Beltrán 2 46980 Paterna Valencia Spain
- Department of Organic Chemistry, Universitat de Valencia Av. Vicent Andrés Estellés s/n 46100 Burjassot Valencia Spain
| | - Mar Bueno-Cuenca
- Department of Organic Chemistry, Universitat de Valencia Av. Vicent Andrés Estellés s/n 46100 Burjassot Valencia Spain
| | - Elena Zaballos-García
- Department of Organic Chemistry, Universitat de Valencia Av. Vicent Andrés Estellés s/n 46100 Burjassot Valencia Spain
| | - Julia Pérez-Prieto
- Instituto de Ciencia Molecular (ICMol), Universitat de Valencia Calle Catedrático José Beltrán 2 46980 Paterna Valencia Spain
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2
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Yin MM, Chen WQ, Hu YJ, Liu Y, Jiang FL. Rapid preparation of water-soluble Ag@Au nanoclusters with bright deep-red emission. Chem Commun (Camb) 2022; 58:2492-2495. [PMID: 35084414 DOI: 10.1039/d1cc06712e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Deep-red (λem ∼ 710 nm) thiolated Ag@Au nanoclusters with a quantum yield of ∼18% were rapidly (∼12 min) prepared in aqueous solutions. The effects of pH and silver ions were demonstrated. The surface modification further resulted in nanoclusters with a quantum yield of ∼38%, the highest value ever reported for water-soluble red Au nanoclusters. This will highly facilitate their applications in sensing, bioimaging, etc.
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Affiliation(s)
- Miao-Miao Yin
- Sauvage Center for Molecular Sciences, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China. .,Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, P. R. China
| | - Wen-Qi Chen
- Sauvage Center for Molecular Sciences, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China.
| | - Yan-Jun Hu
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, P. R. China
| | - Yi Liu
- Sauvage Center for Molecular Sciences, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China. .,College of Chemistry and Chemical Engineering, Tiangong University, Tianjin 300387, P. R. China
| | - Feng-Lei Jiang
- Sauvage Center for Molecular Sciences, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China.
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Cao J, Xie M, Gao X, Zhang Z, Wang J, Zhou W, Guan W, Lu C. Charge Neutralization Strategy to Construct Salt-Tolerant and Cell-Permeable Nanoprobes: Application in Ratiometric Sensing and Imaging of Intracellular pH. Anal Chem 2021; 93:15159-15166. [PMID: 34736318 DOI: 10.1021/acs.analchem.1c03629] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Intracellular pH homeostasis is essential for the survival and function of biological cells. Negatively charged molecular probes, such as pyranine (HPTS), tend to exhibit poor salt tolerance and unsatisfactory cell permeability, limiting their widespread use in intracellular assays. Herein, we explored a charge neutralization strategy using multicharged cationic nanocarriers for an efficient and stable assembly with the pH-sensitive HPTS. Through immobilization and neutralization with poly(allylamine hydrochloride)-stabilized red-emitting gold nanoclusters (PAH-AuNCs), the resulting nanoprobes (HPTS-PAH-AuNCs) offered improved salt tolerance, satisfactory cell permeability, and dual-emission properties. The fluorescence ratio exhibited a linear response over the pH range of 3.0-9.0. Moreover, the proposed HPTS-PAH-AuNCs were successfully applied to determine and visualize lysosomal pH variations in living cells, which indicated great potential for biosensing and bioimaging applications in living systems. Benefiting from the charge neutralization strategy, various types of probes can be expected to achieve broader analytical applications.
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Affiliation(s)
- Jiating Cao
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Meiting Xie
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Xinyu Gao
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Zhuoyong Zhang
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Jianguo Wang
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
| | - Wenjuan Zhou
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Weijiang Guan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Chao Lu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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Luminescent Hydrogel Based on Silver Nanocluster/Malic Acid and Its Composite Film for Highly Sensitive Detection of Fe 3. Gels 2021; 7:gels7040192. [PMID: 34842652 PMCID: PMC8628787 DOI: 10.3390/gels7040192] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/24/2021] [Accepted: 10/26/2021] [Indexed: 11/17/2022] Open
Abstract
Metal nanoclusters (NCs) with excellent photoluminescence properties are an emerging functional material that have rich physical and chemical properties and broad application prospects. However, it is a challenging problem to construct such materials into complex ordered aggregates and cause aggregation-induced emission (AIE). In this article, we use the supramolecular self-assembly strategy to regulate a water-soluble, atomically precise Ag NCs (NH4)9[Ag9(C7H4SO2)9] (Ag9-NCs, [Ag9(mba)9], H2mba = 2-mercaptobenzoic acid) and L-malic acid (L–MA) to form a phosphorescent hydrogel with stable and bright luminescence, which is ascribed to AIE phenomenon. In this process, the AIE of Ag9-NCs could be attributed to the non-covalent interactions between L–MA and Ag9-NCs, which restrict the intramolecular vibration and rotation of ligands on the periphery of Ag9-NCs, thus inhibiting the ligand-related, non-radiative excited state relaxation and promoting radiation energy transfer. In addition, the fluorescent Ag9-NCs/L–MA xerogel was introduced into polymethylmethacrylate (PMMA) to form an excellently fluorescent film for sensing of Fe3+. Ag9-NCs/L–MA/PMMA film exhibits an excellent ability to recognize Fe3+ ion with high selectivity and a low detection limit of 0.3 μM. This research enriches self-assembly system for enhancing the AIE of metal NCs, and the prepared hybrid films will become good candidates for optical materials.
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Gong L, Zhao L, Tan M, Pan T, He H, Wang Y, He X, Li W, Tang L, Nie L. Two-Photon Fluorescent Nanomaterials and Their Applications in Biomedicine. J Biomed Nanotechnol 2021; 17:509-528. [PMID: 35057882 DOI: 10.1166/jbn.2021.3052] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In recent years, two-photon excited (TPE) materials have attracted great attentions because of their excellent advantages over conventional one-photon excited (OPE) materials, such as deep tissue penetration, three-dimensional spatial selectivity and low phototoxicity. Also, they have
been widely applied in lots of field, such as biosensing, imaging, photo-catalysis, photoelectric conversion, and therapy. In this article, we review recent advances in vibrant topic of two-photon fluorescent nanomaterials, including organic molecules, quantum dots (QDs), carbon dots (CDs)
and metal nanoclus-ters (MNCs). The optical properties, synthetic methods and important applications of TPE nanomaterials in biomedical field, such as biosensing, imaging and therapy are introduced. Also, the probable challenges and perspectives in the forthcoming development of two-photon
fluorescent nanomaterials are addressed.
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Affiliation(s)
- Liang Gong
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology Zhuzhou 412007, P. R. China
| | - Lan Zhao
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology Zhuzhou 412007, P. R. China
| | - Miduo Tan
- Zhuzhou Central Hospital, Zhuzhou 412007, P. R. China
| | - Ting Pan
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology Zhuzhou 412007, P. R. China
| | - Huai He
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology Zhuzhou 412007, P. R. China
| | - Yulin Wang
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology Zhuzhou 412007, P. R. China
| | - Xuliang He
- Zhuzhou People’s Hospital, Zhuzhou 412007, P. R. China
| | - Wenjun Li
- Zhuzhou People’s Hospital, Zhuzhou 412007, P. R. China
| | - Li Tang
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology Zhuzhou 412007, P. R. China
| | - Libo Nie
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology Zhuzhou 412007, P. R. China
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Zhang Y, Feng N, Zhou S, Xin X. Fluorescent nanocomposites based on gold nanoclusters for metal ion detection and white light emitting diodes. NANOSCALE 2021; 13:4140-4150. [PMID: 33575692 DOI: 10.1039/d0nr09141c] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Gold nanoclusters (AuNCs) are among the most promising organic-inorganic hybrid luminescent materials for various applications. The current development of AuNCs majorly focuses on controlling their luminescence properties. Herein, we report a new strategy to facilely construct two different nanocomposites featuring enhanced photoluminescence based on mercaptopropionic acid-protected AuNCs (MPA-AuNCs). Through co-assembly with Zn2+ and 2-methylimidazole (2M-IM), the weak luminescence of MPA-AuNCs evolved into either intense blue-green or orange emission at different concentration ratios of additives. HR-TEM and spectroscopic characterization studies revealed that the intense blue-green emission was ascribed to the formation of ZnS quantum dots (QDs) on the outer surface of AuNCs (AuNCs@ZnS), while the strong orange emission originated from the primitive MPA-AuNC core encapsulated by a cubic ZIF-8 shell (AuNCs@ZIF-8). The AuNCs@ZnS nanocomposite was further applied as an exceptional chemical sensor for selective detection of Pb2+ and Fe3+via different quenching mechanisms, and the AuNCs@ZIF-8 composite was applied for fabricating light-converting devices. The co-assembly of AuNCs with Zn2+ and imidazole derivatives provides a facile strategy for acquiring differentiated nanomaterials that have versatile potential applications in chemical detection and light-converting devices.
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Affiliation(s)
- Yongjie Zhang
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China. and School of Chemical Engineering and Technology, Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Tianjin University, Tianjin, 300072, China
| | - Ning Feng
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China.
| | - Shujin Zhou
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China.
| | - Xia Xin
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China.
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Li W, Wang X, Jiang T, Ma X, Tian H. One-pot synthesis of β-cyclodextrin modified Au nanoclusters with near-infrared emission. Chem Commun (Camb) 2020; 56:5580-5583. [DOI: 10.1039/d0cc00713g] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
β-Cyclodextrin modified gold nanoclusters with near-infrared emission were facilely and successfully prepared based on a one-pot and green supramolecular macrocycle modification strategy.
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Affiliation(s)
- Wenjing Li
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center
- Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Xi Wang
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center
- Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Tao Jiang
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center
- Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Xiang Ma
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center
- Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - He Tian
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center
- Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
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Bonanno A, Pérez-Herráez I, Zaballos-García E, Pérez-Prieto J. Gold nanoclusters for ratiometric sensing of pH in extremely acidic media. Chem Commun (Camb) 2020; 56:587-590. [DOI: 10.1039/c9cc08539d] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
AuNCs capped with β-nicotinamide adenine dinucleotide phosphate exhibit an outstanding performance as ratiometric, fluorescent pH sensors in extremely acid media (0.6–2.7) and in the 7.0–9.2 pH range; the nanocluster itself is the fluorophore.
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Affiliation(s)
- Adele Bonanno
- Departamento de Química Orgánica
- Universidad de Valencia
- Av. Vicent Andres Estelles s/n
- Burjassot
- Spain
| | - Irene Pérez-Herráez
- Instituto de Ciencia Molecular (ICMol)
- Universidad de Valencia
- Catedrático José Beltrán 2
- Valencia
- Spain
| | - Elena Zaballos-García
- Departamento de Química Orgánica
- Universidad de Valencia
- Av. Vicent Andres Estelles s/n
- Burjassot
- Spain
| | - Julia Pérez-Prieto
- Instituto de Ciencia Molecular (ICMol)
- Universidad de Valencia
- Catedrático José Beltrán 2
- Valencia
- Spain
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