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He X, Liu S, Hu X, Huang X, Zhang H, Mao X. Precious metal clusters as fundamental agents in bioimaging usability. Front Chem 2023; 11:1296036. [PMID: 38025077 PMCID: PMC10665568 DOI: 10.3389/fchem.2023.1296036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
Fluorescent nanomaterials (NMs) are widely used in imaging techniques in biomedical research. Especially in bioimaging systems, with the rapid development of imaging nanotechnology, precious metal clusters such as Au, Ag, and Cu NMs have emerged with different functional agents for biomedical applications. Compared with traditional fluorescent molecules, precious metal clusters have the advantages of high optical stability, easy regulation of shape and size, and multifunctionalization. In addition, NMs possess strong photoluminescent properties with good photostability, high release rate, and sub-nanometer size. They could be treated as fundamental agents in bioimaging usability. This review summarizes the recent advances in bioimaging utilization, it conveys that metal clusters refer to Au, Ag, and Cu fluorescent clusters and could provide a generalized overview of their full applications. It includes optical property measurement, precious metal clusters in bioimaging systems, and a rare earth element-doped heterogeneous structure illustrated in biomedical imaging with specific examples, that provide new and innovative ideas for fluorescent NMs in the field of bioimaging usability.
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Affiliation(s)
- Xiaoxiao He
- Department of Medical Engineering, Daping Hospital, Army Medical University, Chongqing, China
| | - Shaojun Liu
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Biomedical Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
| | - Xi Hu
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Biomedical Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
| | - Xiongyi Huang
- Department of Medical Engineering, Daping Hospital, Army Medical University, Chongqing, China
| | - Hehua Zhang
- Department of Medical Engineering, Daping Hospital, Army Medical University, Chongqing, China
| | - Xiang Mao
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Biomedical Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
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Busi KB, Palanivel M, Jyothi K, LaiGuan Zoey F, Zahid S, Ghosh KK, Agrawalla BK, Gulyás B, Halkarni SS, Thondamal M, Padmanabhan P, Chakrabortty S. Potential impact of various surface ligands on the cellular uptake and biodistribution characteristics of red, green, and blue emitting Cu nanoclusters. RSC Adv 2023; 13:25862-25870. [PMID: 37655353 PMCID: PMC10466281 DOI: 10.1039/d3ra03606e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 08/14/2023] [Indexed: 09/02/2023] Open
Abstract
Surface functionalization has a prominent influence on tuning/manipulating the physicochemical properties of nanometer scaled materials. Ultrasmall sized nanoclusters with very few atoms have received enormous attention due to their bright fluorescence, biocompatibility, lower toxicity, good colloidal stability and strong photostability. These properties make them suitable for diagnostic applications. In this work, we intend to study the effect of surface functional ligands on their biodistribution both in vitro and in vivo organelle systems for bioimaging applications.
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Affiliation(s)
- Kumar Babu Busi
- Department of Chemistry, SRM University AP Andhra Pradesh Andhra Pradesh 522240 India
| | - Mathangi Palanivel
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore 59 Nanyang Drive Singapore 636921 Singapore
| | - Kotha Jyothi
- Department of Biological Sciences, SRM University AP Andhra Pradesh Andhra Pradesh 522240 India
| | - Fong LaiGuan Zoey
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore 59 Nanyang Drive Singapore 636921 Singapore
| | - Syed Zahid
- Department of Mechanical Engineering, SRM University AP Andhra Pradesh Andhra Pradesh 522240 India
| | - Krishna Kanta Ghosh
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore 59 Nanyang Drive Singapore 636921 Singapore
- Cognitive Neuroimaging Centre, Nanyang Technological University 59 Nanyang Drive Singapore 636921 Singapore
| | | | - Balázs Gulyás
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore 59 Nanyang Drive Singapore 636921 Singapore
- Cognitive Neuroimaging Centre, Nanyang Technological University 59 Nanyang Drive Singapore 636921 Singapore
- Department of Clinical Neuroscience, Karolinska Institute 17176 Stockholm Sweden
| | | | - Manjunatha Thondamal
- Department of Biological Sciences, SRM University AP Andhra Pradesh Andhra Pradesh 522240 India
- Department of Biotechnology, School of Technology, Gandhi Institute of Technology and Management (GITAM) Visakhapatnam Andhra Pradesh 530045 India
| | - Parasuraman Padmanabhan
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore 59 Nanyang Drive Singapore 636921 Singapore
- Cognitive Neuroimaging Centre, Nanyang Technological University 59 Nanyang Drive Singapore 636921 Singapore
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Chandran N, Janardhanan P, Bayal M, Pilankatta R, Nair SS. Development of PEGylated Cu nanoclusters: A nontoxic, multifunctional colloidal system for bioimaging and peroxide sensing. Biochim Biophys Acta Gen Subj 2023; 1867:130372. [PMID: 37127204 DOI: 10.1016/j.bbagen.2023.130372] [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: 02/08/2023] [Revised: 04/21/2023] [Accepted: 04/26/2023] [Indexed: 05/03/2023]
Abstract
This study introduces the development of blue-emitting colloidal Cu NCs through a novel and easy PEGylation method using different functional groups, including -SH and -COOH. The surface functionalization controls the size, cellular toxicity, and emission properties of Cu NCs. The combination of PEG, thiol, and carboxylic groups protects the particle surface from aggregation and oxidation. Among the samples, CAGP (Surface modified Cu NCs with -SH-COOH-PEG combination) emerges as an amazing candidate with the lowest toxicity and enhanced blue emission properties. The bright blue fluorescence emission from Hela cells after treatment with CAGP demonstrated this property. It also has excellent peroxide sensing potential, with a detection limit of 1.4 μM. Because of their excellent bioimaging and peroxide sensing properties, these Cu NCs could be a promising candidate for cellular oxidative stress sensing applications with high clinical relevance.
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Affiliation(s)
- Neeli Chandran
- Department of Physics, Central University of Kerala, Periye, Kasaragod, Kerala 671316, India
| | - Prajit Janardhanan
- Department of Biochemistry and Molecular Biology, Central University of Kerala, Periye, Kasaragod, Kerala 671316, India
| | - Manikanta Bayal
- Department of Physics, Central University of Kerala, Periye, Kasaragod, Kerala 671316, India
| | - Rajendra Pilankatta
- Department of Biochemistry and Molecular Biology, Central University of Kerala, Periye, Kasaragod, Kerala 671316, India.
| | - Swapna S Nair
- Department of Physics, Central University of Kerala, Periye, Kasaragod, Kerala 671316, India.
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Busi KB, Das S, Palanivel M, Ghosh KK, Gulyás B, Padmanabhan P, Chakrabortty S. Surface Ligand Influences the Cu Nanoclusters as a Dual Sensing Optical Probe for Localized pH Environment and Fluoride Ion. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:529. [PMID: 36770489 PMCID: PMC9919789 DOI: 10.3390/nano13030529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/25/2023] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
Functional metal nanomaterials, especially in the nanocluster (NC) size regime, with strong fluorescence, aqueous colloidal stability, and low toxicity, necessitate their application potential in biology and environmental science. Here, we successfully report a simple cost-effective method for red-/green-color-emitting protein/amino-acid-mediated Cu NCs in an aqueous medium. As-synthesized Cu NCs were characterized through UV-Vis absorption spectroscopy, fluorescence spectroscopy, time-resolved photoluminescence, dynamic light scattering, zeta potential, transmission electron microscopy and X-ray photoelectron spectroscopy. The optical properties of both Cu NCs responded linearly to the variation in pH in the neutral and alkaline ranges, and a robust pH reversible nature (between pH 7 and 11) was observed that could be extended to rapid, localized pH sensor development. However, a contrasting pH response nature between protein-Cu NCs and amino acid-Cu NCs was recorded. The alteration in protein secondary structure and strong binding nature of the surfactants were suggested to explain this behavior. Furthermore, we investigated their use as an efficient optical probe for fluoride ion detection. The limit of detection for protein-Cu NCs is 6.74 µM, whereas the limit of detection for amino acid-Cu NCs is 4.67 µM. Thus, it is anticipated that ultrasmall Cu NCs will exhibit promise in biological and environmental sensing applications.
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Affiliation(s)
- Kumar Babu Busi
- Department of Chemistry, SRM University, Guntur 522240, Andhra Pradesh, India
| | - Subhalaxmi Das
- Department of Chemistry, SRM University, Guntur 522240, Andhra Pradesh, India
| | - Mathangi Palanivel
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, Singapore 636921, Singapore
| | - Krishna Kanta Ghosh
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, Singapore 636921, Singapore
| | - Balázs Gulyás
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, Singapore 636921, Singapore
- Cognitive Neuroimaging Centre, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore
- Department of Clinical Neuroscience, Karolinska Institute, 17176 Stockholm, Sweden
| | - Parasuraman Padmanabhan
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 59 Nanyang Drive, Singapore 636921, Singapore
- Cognitive Neuroimaging Centre, Nanyang Technological University, 59 Nanyang Drive, Singapore 636921, Singapore
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Development of a paper printed colorimetric sensor based on Cu-Curcumin nanoparticles for evolving point-of-care clinical diagnosis of sodium. Sci Rep 2022; 12:6247. [PMID: 35428770 PMCID: PMC9012761 DOI: 10.1038/s41598-022-09852-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/21/2022] [Indexed: 12/19/2022] Open
Abstract
The homeostatic control of Sodium (Na+) ion in the human body assumes paramount relevance owing to its physiological importance. Any deviation from the normal level causes serious health problems like hypernatremia, hyponatremia, stroke, kidney problems etc. Therefore, quantification of Na+ levels in body fluids has significant diagnostic and prognostic importance. However, interfering ions like Potassium ion (K+) is the major hurdle in sodium detection. In this work, we synthesized the clusters of 3-9 nm-sized highly stable and pure Copper nanoparticles surface functionalised with curcumin, through chemical reduction method. Each cluster of particles is encapsulated in a curcumin layer which is clearly visible in TEM images. The results show that these curcumin functionalized Cu NPs (CuC) are highly selective to the colorimetric detection of Na+. The ions like K+, Mg2+ and Zn2+ did not interfere with the Na+ in this sensing technique. Low-cost paper-based sensor strips are fabricated and calibrated for the sensing of sodium in the physiological range and shade cards were developed as a calorimetric guide for estimation of Na+ which makes them ideal point of care diagnostic platform. We demonstrate that the proposed CuC paper strip can be used for detecting Na+ concentration within the whole physiological range in both blood serum and urine.
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Cheng Z, Gu L, Zhao Y, Yang L, Chen L, Wang T, Luo M, Wei J, Li P. Copper ions assisted fluorescent detection of some dithiocarbamates based on nickel nanocluster with aggregation-induced emission enhancement behavior. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127555. [PMID: 34879534 DOI: 10.1016/j.jhazmat.2021.127555] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/06/2021] [Accepted: 10/17/2021] [Indexed: 06/13/2023]
Abstract
Pesticide residue contamination has become an urgent issue since it threatens both the natural environment and public health. In this study, a fluorescent method for detecting dithiocarbamate (DTC) compounds was constructed based on novel nickel nanoclusters (Ni NCs) and copper ions (Cu2+). The water-soluble fluorescent Ni NCs were synthesized for the first time through a one-pot method using glutathione as stabilizer and ascorbic acid as reducing agent. The as-prepared Ni NCs exhibited a maximum fluorescence emission at 445 nm when excited by 380 nm. And they displayed aggregation-induced emission enhancement when ethylene glycol was introduced into the nanocluster aqueous solution. Based on the Ni NCs, a label-free fluorescence quenching sensor was established for sensitive and selective detection of DTC compounds with the assistance of Cu2+. The complex formed by DTC and Cu2+ led to fluorescence quenching of Ni NCs through inner filter effect. The sensing method was successfully applied to two typical DTC compounds, thiram and disulfiram, with good linearity over a wide linear range and a low detection limit. Moreover, the proposed approach was capable of thiram detection in real samples, which confirms the potential of this sensing method as a platform for DTC compound detection.
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Affiliation(s)
- Zehua Cheng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Liqiang Gu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Yunyang Zhao
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Macau, China
| | - Lele Yang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Ling Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Ting Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Mai Luo
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Jinchao Wei
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China.
| | - Peng Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China.
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Pepsin mediated synthesis of blue fluorescent copper nanoclusters for sensing of flutamide and chloramphenicol drugs. Microchem J 2021. [DOI: 10.1016/j.microc.2021.105947] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Liu J, Cao C. Evaluation of a GSH-targeting prodrug via a sulfonamide-induced "integrative" platform for selective cancer therapy. Analyst 2020; 145:4901-4905. [PMID: 32478783 DOI: 10.1039/d0an00627k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A sulfonamide-appended gemcitabine prodrug was newly produced. The prodrug was shown to efficiently distinguish GSH from cysteine and homocysteine. Upon reaction of this prodrug with GSH, which is relatively abundant in tumor cells, sulfonyl group cleavage occurred as well as active release of the drug GMC and a concomitant increase in the innate fluorescence intensity. As a proof of concept, colocalization experiments were carried out; these experiments demonstrated that the probe LHX resulted in, via receptor-mediated endocytosis, significantly improved therapeutic efficacy and few side effects. Thus, these results indicated the theranostic agent to be a promising "integrative" platform for efficient cancer therapy. The agent can be activated in real time, and not only be selectively monitored and localized by specific tumour cells, but also undergo cascaded cleavage to induce both a fluorogenic response and release of an active cytotoxic drug.
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Affiliation(s)
- Jun Liu
- The College of Chemistry and Chemical Engineering, Hexi University, Zhangye City 734000, Gansu Province, P. R. China.
| | - Cheng Cao
- The College of Chemistry and Chemical Engineering, Hexi University, Zhangye City 734000, Gansu Province, P. R. China.
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Zhang S, Zhang X, Su Z. Biomolecule conjugated metal nanoclusters: bio-inspiration strategies, targeted therapeutics, and diagnostics. J Mater Chem B 2020; 8:4176-4194. [DOI: 10.1039/c9tb02936b] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
To help those suffering from viral infections and cancers, scientists are exploring enhanced therapeutic methods via metal nanoclusters (MNCs).
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Affiliation(s)
- Shan Zhang
- State Key Laboratory of Chemical Resource Engineering
- Beijing Key Laboratory of Advanced Functional Polymer Composites
- Beijing University of Chemical Technology
- 100029 Beijing
- China
| | - Xiaoyuan Zhang
- Faculty of Physics and Astronomy
- Friedrich-Schiller University Jena
- 07743 Jena
- Germany
| | - Zhiqiang Su
- State Key Laboratory of Chemical Resource Engineering
- Beijing Key Laboratory of Advanced Functional Polymer Composites
- Beijing University of Chemical Technology
- 100029 Beijing
- China
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