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Sadhu VA, Jha S, Mehta VN, Miditana SR, Park TJ, Kailasa SK. Green Synthetic Approach for the Preparation of Blue Emitting Gold Nanoclusters: A Simple Analytical Method for Detection of Hexaconazole Fungicide. J Fluoresc 2024:10.1007/s10895-024-03714-9. [PMID: 38676770 DOI: 10.1007/s10895-024-03714-9] [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: 02/05/2024] [Accepted: 04/08/2024] [Indexed: 04/29/2024]
Abstract
Blue emissive Argyreia nervosa-capped gold nanoclusters (A. nervosa-AuNCs) were synthesized via a simple environment-friendly method. The developed probe exhibits rapid response towards the target analyte (hexaconazole fungicide). Several characterizations, including FT-IR, UV-visible, fluorescence, HR-TEM, XPS, and fluorescence lifetime, were studied to confirm the formation of A. nervosa-AuNCs. The A. nervosa-AuNCs displayed emission and excitation peaks at 470 and 390 nm, respectively. Furthermore, the quantum yield (QY) of A. nervosa-AuNCs was 21.25%. The as-synthesized A. nervosa-AuNCs showed a good linear response with hexaconazole in the concentration range of 0.025-180 μM, with a detection limit (LOD) of 21.94 nM, indicating A. nervosa-AuNCs could be used as a sensitive and selective probe for detecting hexaconazole through a fluorescence "turn-off" mechanism. The A. nervosa-AuNCs were successfully used to detect hexaconazole in real samples. Moreover, A. nervosa-AuNCs were used as a bio-imaging probe for visualization of Saccharomyces cerevisiae cells.
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Affiliation(s)
- Vibhuti Atulbhai Sadhu
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, 395 007, Gujarat, India
| | - Sanjay Jha
- ASPEE Shakilam Biotechnology Institute, Navsari Agricultural University, Surat, 39500, Gujarat, India
| | - Vaibhavkumar N Mehta
- ASPEE Shakilam Biotechnology Institute, Navsari Agricultural University, Surat, 39500, Gujarat, India
| | - Sankara Rao Miditana
- Department of Chemistry, Govt. Degree College, Puttur, Tirupati -517583, Andhra Pradesh, India
| | - Tae Jung Park
- Department of Chemistry, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, Seoul, 06974, Republic of Korea
| | - Suresh Kumar Kailasa
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, 395 007, Gujarat, India.
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Sadhu VA, Jha S, Park TJ, Kailasa SK. Green Emissive Molybdenum Nanoclusters for Selective and Sensitive Detection of Hydroxyl Radical in Water Samples. J Fluoresc 2024:10.1007/s10895-023-03578-5. [PMID: 38190011 DOI: 10.1007/s10895-023-03578-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 12/28/2023] [Indexed: 01/09/2024]
Abstract
In this work, Cassia tora (C. tora) have been used as a template to synthesize green fluorescent C. tora molybdenum nanoclusters (C. tora-MoNCs) through a green chemistry approach. These C. tora-MoNCs showed a quantum yield (QY) of 7.72% and exhibited a significant emission peak at 498 nm when excited at 380 nm. The as-prepared C. tora-MoNCs had an average size of 3.48 ± 0.80 nm and showed different surface functionality. The as-synthesized C. tora-MoNCs were successfully identified the hydroxyl radical (•OH) via a fluorescence quenching mechanism. Also, fluorescence lifetime and Stern-Volmer proved that after the addition of •OH radicals it was quenched the fluorescence intensity via a static quenching mechanism. The limit of detection is 9.13 nM, and this approach was successfully utilized for sensing •OH radicals in water samples with a good recovery rate.
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Affiliation(s)
- Vibhuti Atulbhai Sadhu
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, 395 007, Surat, Gujarat, India
| | - Sanjay Jha
- ASPEE Shakilam Biotechnology Institute, Navsari Agricultural University, 39500, Surat, Gujarat, India
| | - Tae Jung Park
- Department of Chemistry, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, 06974, Seoul, Republic of Korea
| | - Suresh Kumar Kailasa
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, 395 007, Surat, Gujarat, India.
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Xu Z, Xu H, Duan H, Li J, Hu X, Jiang K, Wang G, Zhang Y. Smartphone-Aided Fluorescence Detection of Cardiac Biomarker Myoglobin by a Ratiometric Fluorescent AuNCs-QDs Nanohybrids Probe with High Sensitivity. J Fluoresc 2024; 34:179-190. [PMID: 37166611 DOI: 10.1007/s10895-023-03246-8] [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: 03/15/2023] [Accepted: 04/14/2023] [Indexed: 05/12/2023]
Abstract
Simple and sensitive detection of cardiac biomarkers is of great significance for early diagnosis and prevention of acute myocardial infarction (AMI). Here, a ratiometric fluorescent nanohybrids probe (AuNCs-QDs) was synthesized through the coupling of bovine serum albumin-functionalized gold nanoclusters (AuNCs) with CdSe/ZnS quantum dots (QDs) to realize simple and sensitive detection of cardiac biomarker myoglobin (Mb). The AuNCs-QDs probe shows pink fluorescence under UV light, with two emission peaks at 468 nm and 630 nm belonging to QDs and AuNCs, respectively. Importantly, the presence of Mb caused fluorescence quenching of the blue-emitting QDs, thereby inhibiting the fluorescence resonance energy transfer (FRET) process between QDs and AuNCs, and reducing the fluorescence intensity ratio (F468/F630) of AuNCs-QDs probe effectively. As the concentration of Mb increases, the ratiometric fluorescent probe also exhibits a visible fluorescence color change. The detection limit was as low as 4.99 μg/mL, and the response of the probe to Mb showed a good linear relationship up to 0.52 mg/mL. Moreover, the probe has excellent specificity for Mb. Besides, the AuNCs-QDs has been applied to detect Mb of urine samples. More importantly, we also developed an AuNCs-QDs probe modified smartphone-aided paper-based strip for on-site monitoring of Mb. As far as we know, this is the first report of a smartphone-aided paper-based strip for on-site quick monitoring of Mb, which provides a useful approach for AMI biomarker monitoring and may can be extended to other medical diagnostics.
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Affiliation(s)
- Zichen Xu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Hedan Xu
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing University of Science and Technology, No. 12 East Road, University Town, Chongqing, 401331, People's Republic of China
| | - Hongliang Duan
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing University of Science and Technology, No. 12 East Road, University Town, Chongqing, 401331, People's Republic of China
| | - Junjie Li
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing University of Science and Technology, No. 12 East Road, University Town, Chongqing, 401331, People's Republic of China
| | - Xiao Hu
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing University of Science and Technology, No. 12 East Road, University Town, Chongqing, 401331, People's Republic of China
| | - Kaixin Jiang
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing University of Science and Technology, No. 12 East Road, University Town, Chongqing, 401331, People's Republic of China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China.
| | - Yuanyuan Zhang
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing University of Science and Technology, No. 12 East Road, University Town, Chongqing, 401331, People's Republic of China.
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Sadhu VA, Jha S, Park TJ, Kailasa SK. Synthesis of copper nanoclusters from Bacopa monnieri leaves for fluorescence sensing of dichlorvos. LUMINESCENCE 2023; 38:1872-1882. [PMID: 37555766 DOI: 10.1002/bio.4575] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/05/2023] [Accepted: 08/06/2023] [Indexed: 08/10/2023]
Abstract
In this work, a facile one-step green synthesis was developed for the fabrication of blue fluorescent copper nanocluster (Brahmi-CuNCs) from the extract of Bacopa monnieri (common name is Brahmi) via a microwave method. The as-prepared Brahmi-CuNCs emitted blue fluorescence at 452 nm when excited at 352 nm and showed a quantum yield of 31.32%. Brahmi-derived blue fluorescent CuNCs acted as a probe for fluorescence sensing of dichlorvos. Upon the addition of dichlorvos, the blue emission for Brahmi-CuNCs was gradually turned off, favouring establishment of a calibration graph in the range 0.5-100 μM with a detection limit of 0.23 μM. The as-synthesized Brahmi-CuNCs exhibited marked sensitivity and selectivity towards dichlorvos, favourable for assaying dichlorvos in various samples (cabbage, apple juice, and rice).
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Affiliation(s)
- Vibhuti Atulbhai Sadhu
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India
| | - Sanjay Jha
- ASPEE Shakilam Biotechnology Institute, Navsari Agricultural University, Surat, Gujarat, India
| | - Tae Jung Park
- Department of Chemistry, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, Seoul, Republic of Korea
| | - Suresh Kumar Kailasa
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India
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Ghinaiya NV, Mehta VN, Jha S, Park TJ, Kailasa SK. Synthesis of Greenish-Yellow Fluorescent Copper Nanocluster for the Selective and Sensitive Detection of Fipronil Pesticide in Vegetables and Grain Samples. J Fluoresc 2023:10.1007/s10895-023-03464-0. [PMID: 37843695 DOI: 10.1007/s10895-023-03464-0] [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: 09/06/2023] [Accepted: 09/30/2023] [Indexed: 10/17/2023]
Abstract
In this paper, a new synthetic route is introduced for the synthesis of high-luminescent greenish-yellow fluorescent copper nanoclusters (PVP@A. senna-Cu NCs) using Avaram senna (A. senna) and polyvinylpyrrolidone (PVP) as templates. A. senna plant extract mainly contains variety of phytochemicals including glycosides, sugars, saponins, phenols, and terpenoids that show good pharmacological activities such as anti-inflammatory, antioxidant, and antidiabetic. PVP is a stable and biocompatible polymer that is used as a stabilizing agent for the synthesis of PVP@A. senna-Cu NCs. The size, surface functionality, and element composition of the fabricated Cu NCs were confirmed by various analytical techniques. The as-prepared greenish-yellow fluorescent Cu NCs exhibit significant selectivity towards fipronil, thereby favoring to assay fipronil pesticide with good linearity in the range of 3.0-30 μM with a detection limit of 65.19 nM. More importantly, PVP@A. senna-Cu NCs are successfully applied to assay fipronil in vegetable and grain samples.
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Affiliation(s)
- Nirav Vajubhai Ghinaiya
- Department of Chemistry, Sardar Vallbhbhai National Institute of Technology, Surat, 395007, Gujarat, India
| | - Vaibhavkumar N Mehta
- ASPEE SHAKILAM Biotechnology Institute, Navsari Agricultural University, Surat, 395007, Gujarat, India
| | - Sanjay Jha
- ASPEE SHAKILAM Biotechnology Institute, Navsari Agricultural University, Surat, 395007, Gujarat, India
| | - Tae Jung Park
- Department of Chemistry, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, Seoul, 06974, Republic of Korea
| | - Suresh Kumar Kailasa
- Department of Chemistry, Sardar Vallbhbhai National Institute of Technology, Surat, 395007, Gujarat, India.
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Saied M, Hasanin M, Abdelghany TM, Amin BH, Hashem AH. Anticandidal activity of nanocomposite based on nanochitosan, nanostarch and mycosynthesized copper oxide nanoparticles against multidrug-resistant Candida. Int J Biol Macromol 2023; 242:124709. [PMID: 37141971 DOI: 10.1016/j.ijbiomac.2023.124709] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 03/22/2023] [Accepted: 04/28/2023] [Indexed: 05/06/2023]
Abstract
Recently, antimicrobial resistance has increased globally particularly Candida infections. Most of antifungal drugs used for treating candidiasis became resistant to most of Candida species. In the current study, a nanocomposite based on mycosynthesized copper oxide nanoparticles (CuONPs), nanostarch, nanochitosan was prepared. Results illustrated that twenty-four Candida isolates were isolated from clinical samples. Furthermore, three Candida strains were selected as the most resistant among others toward commercial antifungal drugs; these selected strains were identified genetically as C. glabrata MTMA 19, C. glabrata MTMA 21 and C. tropicalis MTMA 24. Characterization of the prepared nanocomposite was carried out using physiochemical analysis included Ultraviolet-visible spectroscopy (Uv-Vis), Fourier-Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray spectroscopy (EDX) and Transmission Electron Microscopy (TEM). Moreover, the nanocomposite exhibited promising anticandidal activity against C. glabrata MTMA 19, C. glabrata MTMA 21 and C. tropicalis MTMA 24, where the inhibition zones were 15.3, 27 and 28 mm, respectively. Ultrastructure changes observed in nanocomposite-treated C. tropicalis demonstrated disruption of the cell wall which led to cell death. In conclusion, our results confirmed that the novel biosynthesized nanocomposite based on mycosynthesized CuONPs, nanostarch and nanochitosan is a promising anticandidal agent to fight multidrug-resistant Candida.
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Affiliation(s)
- Mohamed Saied
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt
| | - Mohamed Hasanin
- Cellulose and Paper Department, National Research Centre, Dokki, Cairo 12622, Egypt.
| | - Tarek M Abdelghany
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt
| | - Basma H Amin
- Regional Center for Mycology and Biotechnology, Al-Azhar University, Cairo, Egypt
| | - Amr H Hashem
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt.
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Harshita, Park TJ, Kailasa SK. Microwave-assisted synthesis of blue fluorescent molybdenum nanoclusters with maltose-cysteine Schiff base for detection of myoglobin and γ-aminobutyric acid in biofluids. LUMINESCENCE 2023. [PMID: 36758217 DOI: 10.1002/bio.4454] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 01/19/2023] [Accepted: 02/01/2023] [Indexed: 02/11/2023]
Abstract
The fabrication of stable fluorescent MoNCs (molybdenum nanoclusters) in aqueous media is quite challenging as it is not much explored yet. Herein, we report a facile and efficient strategy for fabricating MoNCs using 2,3 dialdehyde maltose-cysteine Schiff base (DAM-cysteine) as a ligand for detecting myoglobin and γ-aminobutyric acid (GABA) in biofluids with high selectivity and sensitivity. The DAM-cysteine-MoNCs displayed fluorescence of bright blue color under a UV light at 365 nm with an emission peak at 444 nm after excitation at 370 nm. The synthesized DAM-cysteine-MoNCs were homogeneously distributed with a mean size of 2.01 ± 0.98 nm as confirmed by the high-resolution transmission electron microscopy (HR-TEM). Further, X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared (FT-IR) techniques were utilized to confirm the elemental oxidation states and surface functional groups of the DAM-cysteine-MoNCs. After the addition of myoglobin and GABA, the emission peak of DAM-cysteine-MoNCs at 444 nm was significantly quenched. This resulted in the development of a quantitative assay for the detection of myoglobin (0.1-0.5 μM) and GABA (0.125-2.5 μM) with the lower limit of detection as 56.48 and 112.75 nM for myoglobin and GABA, respectively.
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Affiliation(s)
- Harshita
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India
| | - Tae-Jung Park
- Department of Chemistry, Research Institute of Chem-Bio Diagnostic Technology, Chung-Ang University, Seoul, Republic of Korea
| | - Suresh Kumar Kailasa
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India
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Wang Z, Zhang S, Xie H, Sun D, Wang W, Li S, Xin X. Dispersing Hydrophobic Copper Nanoclusters in Aqueous Solutions Triggered by Polyoxometalate with Aggregation-Induced Eimission Properties. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131147] [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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Kateshiya MR, Desai ML, Malek NI, Kailasa SK. Advances in Ultra-small Fluorescence Nanoprobes for Detection of Metal Ions, Drugs, Pesticides and Biomarkers. J Fluoresc 2022; 33:775-798. [PMID: 36538145 DOI: 10.1007/s10895-022-03115-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022]
Abstract
Identification of trace level chemical species (drugs, pesticides, metal ions and biomarkers) plays key role in environmental monitoring. Recently, fluorescence assay has shown significant advances in detecting of trace level drugs, pesticides, metal ions and biomarkers in real samples. Ultra-small nanostructure materials (metal nanoclusters (NCs), quantum dots (QDs) and carbon dots (CDs)) have been integrated with fluorescence spectrometer for sensitive and selective analysis of trace level target analytes in various samples including environmental and biological samples. This review summarizes the properties of metal NCs and ligand chemistry for the fabrication of metal NCs. We also briefly summarized the synthetic routes for the preparation of QDs and CDs. Advances of ultra-small fluorescent nanosensors (NCs, QDs and CDs) for sensing of metal ions, drugs, pesticides and biomarkers in various sample matrices are briefly discussed. Additionally, we discuss the recent challenges and future perspectives of ultra-small materials as fluorescent sensors for assaying of wide variety of target analytes in real samples.
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Borse S, Murthy Z, Kailasa SK. Synthesis of red emissive copper nanoclusters with 2-mercaptopyrimidine for promoting selective and sensitive fluorescent sensing of creatinine as a kidney disease biomarker in biofluids. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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