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Al-Jaf SH, Mohammed Ameen SS, Omer KM. A novel ratiometric design of microfluidic paper-based analytical device for the simultaneous detection of Cu 2+ and Fe 3+ in drinking water using a fluorescent MOF@tetracycline nanocomposite. LAB ON A CHIP 2024; 24:2306-2316. [PMID: 38530753 DOI: 10.1039/d3lc01045g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
The regular and on-site monitoring of ions in drinking water is essential for safeguarding public health, ensuring high water quality, and preserving the ecological balance of aquatic ecosystems. Thus, developing a portable analytical device for the rapid, cost-effective, and visual on-site detection of multiple environmental pollutants is notably significant. In the present work, a novel ratiometric microfluidic paper-based analytical device (μPAD) was designed and developed for the simultaneous detection of Fe3+ and Cu2+ ions in water samples taking advantages from built-in masking zone. The μPAD was functionalized with a greenish-yellow fluorescent Zn-based metal-organic framework@tetracycline (FMOF-5@TC) nanocomposite, and the ratiometric design was based on the change in emission color from greenish yellow (FMOF-5@TC) to blue (FMOF-5). The μPAD consisted of one sample zone linked to two detection zones via two channels: the first channel was for the detection of both ions, while the second was intended for detecting only Cu2+ ions and comprised a built-in masking zone to remove Fe3+ ions prior to reaching the detection zone. The corresponding color changes were recorded with the aid of a smartphone and RGB calculations. The linear ranges were 0.1-80 μM for Cu2+ and 0.2-160 μM for Fe3+, with limits of detection of 0.027 and 0.019 μM, respectively. The simple μPAD design enabled the simultaneous detection of Cu2+ and Fe3+ ions in drinking water samples with excellent accuracy and precision, with spike recoveries of 81.28-96.36% and 83.01-102.33% for Cu2+ and Fe3+, respectively.
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Affiliation(s)
- Sabah H Al-Jaf
- Department of Chemistry, College of Science, University of Garmian, Darbandikhan Road, 46021, Kalar City, Sulaymaniyah Province, Kurdistan of Iraq
| | | | - Khalid M Omer
- Department of Chemistry, College of Science, University of Sulaimani, 46002, Sulaymaniyah, Kurdistan Region, Iraq.
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2
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Mohammed Ameen SS, Qasim FO, Alhasan HS, Hama Aziz KH, Omer KM. Intrinsic Dual-State Emission Zinc-Based MOF Rodlike Nanostructures with Applications in Smartphone Readout Visual-Based Detection for Tetracycline: MOF-Based Color Tonality. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46098-46107. [PMID: 37733947 DOI: 10.1021/acsami.3c11950] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Dual-state emitters (DSEs) are entities that exhibit fluorescence in both the solution and solid state, which open up a wide range of possibilities for their utilization in various fields. The development of detection platforms using intrinsic luminescent metal-organic frameworks (LMOFs) is highly desirable for a variety of applications. DSE MOFs as a subclass of intrinsic LMOFs are highly attractive due to no need for encapsulation/functionalization by fluorophores and/or using luminescent linkers. Herein, a highly stable intrinsic dual-state blue emission (λem = 425 nm) zinc-based MOF with rodlike nanostructures (denoted as UoZ-2) was synthesized and characterized. To the best of our knowledge, intrinsic DSE of Zn-MOFs with blue emission in the dispersed form in solution and solid-state fluorescence have not been reported yet. When tetracycline (TC) was added, a continuous color evolution from blue to greenish-yellow with dramatic enhancement was observed due to aggregation induced emission (AIE). Thus, a sensitive ratiometry-based visual detection platform, in solution and on paper independently, was designed for detection of TC exploiting the DSE and AIE properties of UoZ-2 alone and UoZ-2:TC. The detection limit was estimated to be 4.5 nM, which is considered to be one of the most sensitive ratiometric fluorescent probes for TC sensing. The ratiometry paper-based UoZ-2 sensor displays a reliable TC quantitative analysis by recognizing RGB values in the on-site TC detection with satisfactory recoveries.
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Affiliation(s)
- Sameera Sh Mohammed Ameen
- Department of Chemistry, Faculty of Science, University of Zakho, Zakho 42002, Kurdistan Region, Iraq
| | - Faroq Omer Qasim
- Department of Horticulture, Technical College of Akre, Duhok Polytechnic University, Duhok 42001, Kurdistan Regin, Iraq
- Department of Horticulture, Technical College of Akre, Akre University for Applied Sciences, 42001, Kurdistan Region, Iraq
| | - Huda S Alhasan
- Environmental Research and Studies Center, University of Babylon, Hilla 51002, Iraq
| | - Kosar H Hama Aziz
- Department of Medical Laboratory of Science, College of Health Sciences, University of Human Development, Sulaimaniyah 46001, Iraq
| | - Khalid M Omer
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan Street, 46002 Sulaimani City, Kurdistan Region, Iraq
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3
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Zhang L, Zhang L, Xue J, Yuan H, Zhou C, Guo T, Wang L, Fu Z. Cobalt Species-Loaded MOFs as Chemiluminescent Catalysts for Monitoring Carbendazim. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:12785-12792. [PMID: 37643321 DOI: 10.1021/acs.langmuir.3c01634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
The application of active metal-based nanoscale catalysts as signal enhancers for chemiluminescent immunoassay (CLIA) is restricted by poor thermodynamic stability and ease of aggregation. For the present exploration, zirconium-based MOFs UiO-66-NH2 were adopted as supports to load cobalt species by an impregnation-reduction approach. Cobalt species were uniformly distributed in the framework architecture of the MOF materials. The prepared cobalt-loaded MOF hybrids, noted as UiO-66-NH2/Co, display superior chemiluminescence (CL) catalytic activity owing to the introduction of cobalt catalytic centers. The CL catalytic capability of UiO-66-NH2/Co hybrids is about 18 times of that of free cobalt ions at the same cobalt amount. The results of mechanism exploration manifest that the hybrids are capable of accelerating the decay of hydrogen peroxide and promoting the yield of reactive oxygen species. Based on their remarkable CL catalytic capability, a CLIA approach was proposed to monitor carbendazim by adopting the hybrids as signal probes, which showed the merits of high sensitivity and satisfactory selectivity. Carbendazim was quantitated within a concentration range of 0.05 to 60 ng mL-1, with a detection limit of 19.8 pg mL-1. The results for monitoring spiked samples verify the acceptable practicality of the proposed CLIA approach.
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Affiliation(s)
- Lvxia Zhang
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Lingli Zhang
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, Chongqing Institute for Food and Drug Control, Chongqing 401121, China
| | - Jinxia Xue
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Hongwei Yuan
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Chunjie Zhou
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, Chongqing Institute for Food and Drug Control, Chongqing 401121, China
| | - Ting Guo
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Lin Wang
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Zhifeng Fu
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
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4
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Xu X, Ma M, Sun T, Zhao X, Zhang L. Luminescent Guests Encapsulated in Metal-Organic Frameworks for Portable Fluorescence Sensor and Visual Detection Applications: A Review. BIOSENSORS 2023; 13:bios13040435. [PMID: 37185510 PMCID: PMC10136468 DOI: 10.3390/bios13040435] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 05/17/2023]
Abstract
Metal-organic frameworks (MOFs) have excellent applicability in several fields and have significant structural advantages, due to their open pore structure, high porosity, large specific surface area, and easily modifiable and functionalized porous surface. In addition, a variety of luminescent guest (LG) species can be encapsulated in the pores of MOFs, giving MOFs a broader luminescent capability. The applications of a variety of LG@MOF sensors, constructed by doping MOFs with LGs such as lanthanide ions, carbon quantum dots, luminescent complexes, organic dyes, and metal nanoclusters, for fluorescence detection of various target analyses such as ions, biomarkers, pesticides, and preservatives are systematically introduced in this review. The development of these sensors for portable visual fluorescence sensing applications is then covered. Finally, the challenges that these sectors currently face, as well as the potential for future growth, are briefly discussed.
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Affiliation(s)
- Xu Xu
- College of Chemistry, Liaoning University, No. 66 Chongshan Middle Road, Shenyang 110036, China
| | - Muyao Ma
- College of Chemistry, Liaoning University, No. 66 Chongshan Middle Road, Shenyang 110036, China
| | - Tongxin Sun
- College of Chemistry, Liaoning University, No. 66 Chongshan Middle Road, Shenyang 110036, China
| | - Xin Zhao
- Ecology and Environmental Monitoring Center of Jilin Province, Changchun 130011, China
| | - Lei Zhang
- College of Chemistry, Liaoning University, No. 66 Chongshan Middle Road, Shenyang 110036, China
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5
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Mohammed Ameen SS, Sher Mohammed NM, Omer KM. Ultra-small highly fluorescent zinc-based metal organic framework nanodots for ratiometric visual sensing of tetracycline based on aggregation induced emission. Talanta 2023; 254:124178. [PMID: 36549132 DOI: 10.1016/j.talanta.2022.124178] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/19/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
Color tonality by intrinsic fluorescent metal-organic frameworks (MOFs) is highly desirable in bioanalytical applications due to its stability, low-cost and robustness with no need for functionalization and/or encapsulation of fluorophores. In the present work, ultra-small and higly fluorescent zinc-based MOFs (FMOF-5) were synthesized. The prepared FMOFs were around 5 nm in size, and gave strong blue emission at 440 nm when excited at 350 nm. Interestingly, tetracycline (TC) selectively tuned the blue emission of FMOF-5 to greenish-yellow emission (520 nm) with dramatic enhancement through aggregation induced emission (AIE). The fluorimetric analysis of TC was carried out through the ratiometric peak intensities of F520/F440, with detection limit (LOD) of 5 nM. To realize quantitative point-of-care based on color tonality, a smartphone integrated with the ratiometric visual platform was thereby design. Hence, TC was visually detected with LOD of 10 nM. The prepared FMOF-5-based probe showed high stability (3 months) and reusability (∼10 times). The developed visual-based platform presents great promise for practical point of care testing due to its low-cost, robustness, ruggedness, simple operation, and excellent selectivity and repeatability.
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Affiliation(s)
| | - Nidhal M Sher Mohammed
- Department of Chemistry, Faculty of Science, University of Zakho, Kurdistan region, Iraq.
| | - Khalid M Omer
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan St., 460002, Sulaimani City, Kurdistan region, Iraq; Center for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Qliasan St., 460002, Sulaimani City, Kurdistan region, Iraq.
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6
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Mu J, Xu W, Huang Z, Jia Q. Encapsulating copper nanoclusters in 3D metal-organic frameworks to boost fluorescence for bio-enzyme sensing, inhibitor screening, and light-emitting diode fabrication. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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7
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Xu J, Ma J, Peng Y, Cao S, Zhang S, Pang H. Applications of metal nanoparticles/metal-organic frameworks composites in sensing field. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.05.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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8
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Gutiérrez M, Zhang Y, Tan JC. Confinement of Luminescent Guests in Metal–Organic Frameworks: Understanding Pathways from Synthesis and Multimodal Characterization to Potential Applications of LG@MOF Systems. Chem Rev 2022; 122:10438-10483. [PMID: 35427119 PMCID: PMC9185685 DOI: 10.1021/acs.chemrev.1c00980] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
![]()
This
review gives an authoritative, critical, and accessible overview
of an emergent class of fluorescent materials termed “LG@MOF”,
engineered from the nanoscale confinement of luminescent guests (LG)
in a metal–organic framework (MOF) host, realizing a myriad
of unconventional materials with fascinating photophysical and photochemical
properties. We begin by summarizing the synthetic methodologies and
design guidelines for representative LG@MOF systems, where the major
types of fluorescent guest encompass organic dyes, metal ions, metal
complexes, metal nanoclusters, quantum dots, and hybrid perovskites.
Subsequently, we discuss the methods for characterizing the resultant
guest–host structures, guest loading, photophysical properties,
and review local-scale techniques recently employed to elucidate guest
positions. A special emphasis is paid to the pros and cons of the
various methods in the context of LG@MOF. In the following section,
we provide a brief tutorial on the basic guest–host phenomena,
focusing on the excited state events and nanoscale confinement effects
underpinning the exceptional behavior of LG@MOF systems. The review
finally culminates in the most striking applications of LG@MOF materials,
particularly the “turn-on” type fluorochromic chemo-
and mechano-sensors, noninvasive thermometry and optical pH sensors,
electroluminescence, and innovative security devices. This review
offers a comprehensive coverage of general interest to the multidisciplinary
materials community to stimulate frontier research in the vibrant
sector of light-emitting MOF composite systems.
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Affiliation(s)
- Mario Gutiérrez
- Multifunctional Materials & Composites (MMC) Laboratory, Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, United Kingdom
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, INAMOL, Universidad de Castilla-La Mancha, Avenida Carlos III, S/N, 45071 Toledo, Spain
| | - Yang Zhang
- Multifunctional Materials & Composites (MMC) Laboratory, Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, United Kingdom
| | - Jin-Chong Tan
- Multifunctional Materials & Composites (MMC) Laboratory, Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, United Kingdom
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Qiu Y, Wen Z, Mei S, Wei J, Chen Y, Hu Z, Cui Z, Zhang W, Xie F, Guo R. Cation Crosslinking-Induced Stable Copper Nanoclusters Powder as Latent Fingerprints Marker. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3371. [PMID: 34947720 PMCID: PMC8708820 DOI: 10.3390/nano11123371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/30/2021] [Accepted: 12/09/2021] [Indexed: 11/17/2022]
Abstract
Luminescent copper nanoclusters (Cu NCs) have shown great potential in light-emitting devices (LEDs), chemical sensing, catalysis and biological fields. However, their practical use has been restricted by poor stability, and study on the stability of Cu NCs solid powder along with the mechanism is absent. In this study, stablized Cu NCs powder was first obtained by cation crosslinking method. Compared with the powder synthesized by solvent precipitation method, the stability of Cu NCs powder crosslinked by ionic inducer Ce3+ was enhanced around 100-fold. The storage time when the fluorescence intensity decreased to 85% (T85) was improved from 2 h to 216 h, which is the longest so far. The results of characterizations indicated that the aggregation structure was formed by the binding of Ce3+ with the capping ligands of Cu NCs, which helped in obtaining Ce-Cu NCs powder from aggregate precipitation in solution. Furthermore, this compact structure could avoid the destruction of ambient moisture resulting in long-lasting fluorescence and almost unchanged physical form. This demonstrated that phosphor, with excellent characteristics of unsophisticated synthesis, easy preservation and stable fluorescence, showed great potential in light sources, display technology and especially in latent fingerprints visualization on different substrates for forensic science.
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Affiliation(s)
- Yi Qiu
- Institute for Electric Light Sources, School of Information Science and Technology, Fudan University, Shanghai 200433, China; (Y.Q.); (S.M.); (J.W.); (Y.C.); (Z.H.); (Z.C.); (W.Z.); (F.X.)
| | - Zhuoqi Wen
- Institute of Future Lighting, Academy for Engineering and Technology, Fudan University, Shanghai 200433, China;
| | - Shiliang Mei
- Institute for Electric Light Sources, School of Information Science and Technology, Fudan University, Shanghai 200433, China; (Y.Q.); (S.M.); (J.W.); (Y.C.); (Z.H.); (Z.C.); (W.Z.); (F.X.)
| | - Jinxin Wei
- Institute for Electric Light Sources, School of Information Science and Technology, Fudan University, Shanghai 200433, China; (Y.Q.); (S.M.); (J.W.); (Y.C.); (Z.H.); (Z.C.); (W.Z.); (F.X.)
| | - Yuanyuan Chen
- Institute for Electric Light Sources, School of Information Science and Technology, Fudan University, Shanghai 200433, China; (Y.Q.); (S.M.); (J.W.); (Y.C.); (Z.H.); (Z.C.); (W.Z.); (F.X.)
| | - Zhe Hu
- Institute for Electric Light Sources, School of Information Science and Technology, Fudan University, Shanghai 200433, China; (Y.Q.); (S.M.); (J.W.); (Y.C.); (Z.H.); (Z.C.); (W.Z.); (F.X.)
| | - Zhongjie Cui
- Institute for Electric Light Sources, School of Information Science and Technology, Fudan University, Shanghai 200433, China; (Y.Q.); (S.M.); (J.W.); (Y.C.); (Z.H.); (Z.C.); (W.Z.); (F.X.)
| | - Wanlu Zhang
- Institute for Electric Light Sources, School of Information Science and Technology, Fudan University, Shanghai 200433, China; (Y.Q.); (S.M.); (J.W.); (Y.C.); (Z.H.); (Z.C.); (W.Z.); (F.X.)
| | - Fengxian Xie
- Institute for Electric Light Sources, School of Information Science and Technology, Fudan University, Shanghai 200433, China; (Y.Q.); (S.M.); (J.W.); (Y.C.); (Z.H.); (Z.C.); (W.Z.); (F.X.)
| | - Ruiqian Guo
- Institute for Electric Light Sources, School of Information Science and Technology, Fudan University, Shanghai 200433, China; (Y.Q.); (S.M.); (J.W.); (Y.C.); (Z.H.); (Z.C.); (W.Z.); (F.X.)
- Institute of Future Lighting, Academy for Engineering and Technology, Fudan University, Shanghai 200433, China;
- Zhongshan-Fudan Joint Innovation Center, Zhongshan 528437, China
- Yiwu Research Institute, Fudan University, Chengbei Road, Yiwu 322000, China
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Mu J, Peng Y, Shi Z, Zhang D, Jia Q. Copper nanocluster composites for analytical (bio)-sensing and imaging: a review. Mikrochim Acta 2021; 188:384. [PMID: 34664135 DOI: 10.1007/s00604-021-05011-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 08/27/2021] [Indexed: 12/29/2022]
Abstract
As an ideal substitute for traditional organic fluorescent dyes or up-conversion nanomaterials, copper nanoclusters (CuNCs) have developed rapidly and have been involved in exciting achievements in versatile applications. The emergence of novel CuNCs composites improves the poor stability and fluorescence intensity of CuNCs. With this in mind, great efforts have been made to develop a wide variety of CuNCs composites, and impressive progress has been made in the past few years. In this review, we systematically summarize absorption, fluorescence, electrochemiluminescence, and catalytic properties and focus on the multiple factors that affect the fluorescence properties of CuNCs. The fluorescence properties of CuNCs are discussed from the point of view of core size, surface ligands, self-assembly, metal defects, pH, solvent, ions, metal doping, and confinement effect. Especially, we illustrate the research progress and representative applications of CuNCs composites in bio-related fields, which have received considerable interests in the past years. Additionally, the sensing mechanism of CuNCs composites is highlighted. Finally, we summarize current challenges and look forward to the future development of CuNCs composites. Schematic diagram of the categories, possible sensing mechanisms, and bio-related applications of copper nanoclusters composites.
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Affiliation(s)
- Jin Mu
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Yu Peng
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Zhan Shi
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Dawei Zhang
- College of Chemistry, Jilin University, Changchun, 130012, China.
| | - Qiong Jia
- College of Chemistry, Jilin University, Changchun, 130012, China.
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Cao J, Yang Z, Xiong W, Zhou Y, Wu Y, Jia M, Zhou C, Xu Z. Ultrafine metal species confined in metal–organic frameworks: Fabrication, characterization and photocatalytic applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213924] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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Baghdasaryan A, Bürgi T. Copper nanoclusters: designed synthesis, structural diversity, and multiplatform applications. NANOSCALE 2021; 13:6283-6340. [PMID: 33885518 DOI: 10.1039/d0nr08489a] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Atomically precise metal nanoclusters (MNCs) have gained tremendous research interest in recent years due to their extraordinary properties. The molecular-like properties that originate from the quantized electronic states provide novel opportunities for the construction of unique nanomaterials possessing rich molecular-like absorption, luminescence, and magnetic properties. The field of monolayer-protected metal nanoclusters, especially copper, with well-defined molecular structures and compositions, is relatively new, about two to three decades old. Nevertheless, the massive progress in the field illustrates the importance of such nanoobjects as promising materials for various applications. In this respect, nanocluster-based catalysts have become very popular, showing high efficiencies and activities for the catalytic conversion of chemical compounds. Biomedical applications of clusters are an active research field aimed at finding better fluorescent contrast agents, therapeutic pharmaceuticals for the treatment and prevention of diseases, the early diagnosis of cancers and other potent diseases, especially at early stages. A huge library of structures and the compositions of copper nanoclusters (CuNCs) with atomic precisions have already been discovered during last few decades; however, there are many concerns to be addressed and questions to be answered. Hopefully, in future, with the combined efforts of material scientists, inorganic chemists, and computational scientists, a thorough understanding of the unique molecular-like properties of metal nanoclusters will be achieved. This, on the other hand, will allow the interdisciplinary researchers to design novel catalysts, biosensors, or therapeutic agents using highly structured, atomically precise, and stable CuNCs. Thus, we hope this review will guide the reader through the field of CuNCs, while discussing the main achievements and improvements, along with challenges and drawbacks that one needs to face and overcome.
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Affiliation(s)
- Ani Baghdasaryan
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Geneva 4, Switzerland.
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13
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An Y, Ren Y, Bick M, Dudek A, Hong-Wang Waworuntu E, Tang J, Chen J, Chang B. Highly fluorescent copper nanoclusters for sensing and bioimaging. Biosens Bioelectron 2020; 154:112078. [DOI: 10.1016/j.bios.2020.112078] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 01/22/2020] [Accepted: 02/05/2020] [Indexed: 12/13/2022]
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Lai WF, Wong WT, Rogach AL. Development of Copper Nanoclusters for In Vitro and In Vivo Theranostic Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906872. [PMID: 31975469 DOI: 10.1002/adma.201906872] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 11/23/2019] [Indexed: 05/24/2023]
Abstract
Theranostics refers to the incorporation of therapeutic and diagnostic functions into one material system. An important class of nanomaterials exploited for theranostics is metal nanoclusters (NCs). In contrast to gold and silver NCs, copper is an essential trace element for humans. It can be more easily removed from the body. This, along with the low cost of copper that offers potential large-scale nanotechnology applications, means that copper NCs have attracted great interest in recent years. The latest advances in the design, synthesis, surface engineering, and applications of copper NCs in disease diagnosis, monitoring, and treatment are reviewed. Strategies to control and enhance the emission of copper NCs are considered. With this synopsis of the up-to-date development of copper NCs as theranostic agents, it is hoped that insights and directions for translating current advances from the laboratory to the clinic can be further advanced and accelerated.
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Affiliation(s)
- Wing-Fu Lai
- School of Life and Health Sciences, The Chinese University of Hong Kong, Shenzhen, 518172, P. R. China
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, P. R. China
| | - Wing-Tak Wong
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, P. R. China
| | - Andrey L Rogach
- Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP), City University of Hong Kong, Kowloon, Hong Kong SAR, P. R. China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, P. R. China
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15
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Li D, Wang G, Cheng L, Wang C, Mei X. Engineering the Self-Assembly Induced Emission of Copper Nanoclusters as 3D Nanomaterials with Mesoporous Sphere Structures by the Crosslinking of Ce 3. ACS OMEGA 2018; 3:14755-14765. [PMID: 31458150 PMCID: PMC6643740 DOI: 10.1021/acsomega.8b02204] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 10/26/2018] [Indexed: 05/24/2023]
Abstract
Aggregation-induced emission has provided fluorescence enhancement strategies for metal nanoclusters. However, the morphology of the aggregated nanoclusters tended to be irregular due to the random aggregated route, which would result in the formation of an unstable product. Herein, copper nanoclusters were directly synthesized by using l-cysteine as both the reducing and protection ligand. Initially, the structure of the product was irregular. Furthermore, Ce3+ was introduced to re-arrange the aggregates through a crosslinking avenue. It was interesting to find that well-ordered three-dimensional nanomaterials with mesoporous sphere structures were obtained after re-aggregation. On the basis of the stability test at a relatively high temperature and the light-emitting diode fabrication investigation, it revealed that the regulated product demonstrated more promising stability and color purity for practical applications than the random aggregated product with irregular structures.
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Affiliation(s)
- Dan Li
- Department
of Basic Science, Jinzhou Medical University, Jinzhou 121001, China
| | - Guannan Wang
- Department
of Basic Science, Jinzhou Medical University, Jinzhou 121001, China
| | - Liming Cheng
- Department
of Orthopedics, Tongji Hospital Affiliated
to Tongji University School of Medicine, Shanghai 200065, China
- Key
Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Tongji University, Shanghai 200065, China
| | - Cuiping Wang
- Key
Laboratory for Functional Material, University
of Science and Technology Liaoning, Anshan 114051, China
| | - Xifan Mei
- Department
of Basic Science, Jinzhou Medical University, Jinzhou 121001, China
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