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Liu KQ, Wang ZX, Li F, Li HY, Wang W. Preparation and utilization of carbon dots as a nanoprobe for sensitive detection of tartrazine and palladium (II). Analyst 2024; 149:3073-3077. [PMID: 38752735 DOI: 10.1039/d4an00502c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
We prepared novel green, eco-friendly carbon dots as a dual-channel probe for highly sensitive and selective detection of tartrazine (Trz) and palladium(II) (Pd(II)) involving, respectively, FRET and electron transfer mechanisms. Furthermore, the successful utilization of the carbon dots for detecting Trz and Pd(II) in actual samples implies its potential application prospects in analysis.
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Affiliation(s)
- Kai-Qi Liu
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Zhong-Xia Wang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Feng Li
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Heng-Ye Li
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Wei Wang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
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Xing S, Zheng K, Shi L, Kang K, Peng Z, Zhang X, Liu B, Yang H, Yue G. Fluorescence Detection of Pb 2+ in Environmental Water Using Biomass Carbon Quantum Dots Modified with Acetamide-Glycolic Acid Deep Eutectic Solvent. Molecules 2024; 29:1662. [PMID: 38611941 PMCID: PMC11013460 DOI: 10.3390/molecules29071662] [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: 03/07/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
In this study, a novel green fluorescent probe material, nitrogen-doped carbon quantum dots (N-CQDs), was prepared by a one-step hydrothermal synthesis method using walnut green skin as a carbon source and acetamide-glycolic acid deep eutectic solvent (AGADES) as a modifier. By covalent coupling, the amide chromophore in AGADES is designed to cover the surface of walnut green skin carbon quantum dots (W-CQDs), forming a fluorescence energy resonance effect and improving the fluorescence performance of the carbon quantum dots. The prepared N-CQDs have a uniform particle size distribution, and the fluorescence quantum efficiency has increased from 12.5% to 32.5%. Within the concentration range of 0.01~1000 μmol/L of Pb2+, the linear detection limit is 1.55 nmol/L, which can meet the trace detection of Pb2+ in the water environment, and the recycling rate reaches 97%. This method has been successfully applied to the fluorescence detection and reuse of Pb2+ in actual water bodies, providing new ideas and methods for the detection of heavy metal ions in environmental water.
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Affiliation(s)
- Shiwen Xing
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang 050018, China
| | - Keyang Zheng
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang 050018, China
| | - Lei Shi
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang 050018, China
| | - Kaiming Kang
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang 050018, China
| | - Zhixiao Peng
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang 050018, China
- School of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Xiaojie Zhang
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang 050018, China
- School of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Baoyou Liu
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang 050018, China
| | - Huilong Yang
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang 050018, China
| | - Gang Yue
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
- Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang 050018, China
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Han L, Guo Y, Zhang H, Wang Z, Zhang F, Wang Y, Li X, Wang Y, Ye J. Preparation of carbon quantum dot fluorescent probe from waste fruit peel and its use for the detection of dopamine. RSC Adv 2024; 14:1813-1821. [PMID: 38192308 PMCID: PMC10772540 DOI: 10.1039/d3ra06799h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 12/26/2023] [Indexed: 01/10/2024] Open
Abstract
Carbon quantum dots (CQDs), as a new type of fluorescent nanomaterial, are widely used in the detection of small molecules. Abnormal dopamine secretion can lead to diseases such as Parkinson's disease and schizophrenia. Therefore, it is highly significant to detect dopamine levels in the human body. Using discarded fruit peels to prepare carbon quantum dots can achieve the reuse of kitchen waste, reduce pollution, and create value. Nitrogen-doped carbon quantum dots (N-CQDs) were prepared using the hydrothermal method, with orange peel as the raw material. The fluorescence quantum yield of N-CQDs reached a high value of 35.37% after optimizing the temperature, reaction time, and ethylenediamine dosage. N-CQDs were characterized using various techniques, including ultraviolet visible (UV-vis) spectroscopy, fluorescence spectrophotometer (PL), transmission electron microscopy (TEM), and Fourier transform infrared spectroscopy (FT-IR). These analyses confirmed the successful doping of nitrogen in the CQDs. The DA concentration ranged from 0 to 300 μmol L-1, and the linear equation for fluorescence quenching of N-CQDs was F/F0 = -0.0056c + 0.98647, with an R2 value of 0.99071. The detection limit was 0.168 μmol L-1. The recovery and precision of dopamine in rabbit serum were 98% to 103% and 2% to 6%, respectively. The prepared N-CQDs could be used as a fluorescent probe to effectively detect DA.
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Affiliation(s)
- Li Han
- School of Biological and Chemical Engineering, Qilu Institute of Technology Jinan 250200 P. R. China
| | - Yingkai Guo
- Jinan Engineering Consulting Institute Jinan China
| | - Haohao Zhang
- School of Biological and Chemical Engineering, Qilu Institute of Technology Jinan 250200 P. R. China
| | - Zifan Wang
- School of Biological and Chemical Engineering, Qilu Institute of Technology Jinan 250200 P. R. China
| | - Fan Zhang
- School of Biological and Chemical Engineering, Qilu Institute of Technology Jinan 250200 P. R. China
| | - Yiran Wang
- School of Biological and Chemical Engineering, Qilu Institute of Technology Jinan 250200 P. R. China
| | - Xingqi Li
- School of Biological and Chemical Engineering, Qilu Institute of Technology Jinan 250200 P. R. China
| | - Ying Wang
- School of Biological and Chemical Engineering, Qilu Institute of Technology Jinan 250200 P. R. China
| | - Jiajia Ye
- School of Biological and Chemical Engineering, Qilu Institute of Technology Jinan 250200 P. R. China
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Bosu S, Rajamohan N, Sagadevan S, Raut N. Biomass derived green carbon dots for sensing applications of effective detection of metallic contaminants in the environment. CHEMOSPHERE 2023; 345:140471. [PMID: 37871875 DOI: 10.1016/j.chemosphere.2023.140471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/10/2023] [Accepted: 10/15/2023] [Indexed: 10/25/2023]
Abstract
The rapid consumption of metals and unorganized disposal have led to unprecedented increases in heavy metal ion concentrations in the ecosystem, which disrupts environmental homeostasis and results in agricultural biodiversity loss. Mitigation and remediation plans for heavy metal pollution are largely dependent on the discovery of cost-effective, biocompatible, specific, and robust detectors because conventional methods involve sophisticated electronics and sample preparation procedures. Carbon dots (CDs) have gained significant importance in sensing applications related to environmental sustainability. Fluorescence sensor applications have been enhanced by their distinctive spectral properties and the potential for developing efficient photonic devices. With the recent development of biomass-functionalized carbon dots, a wide spectrum of multivalent and bivalent transition metal ions responsible for water quality degradation can be detected with high efficiency and minimal toxicity. This review explores the various methods of manufacturing carbon dots and the biochemical mechanisms involved in metal detection using green carbon dots for sensing applications involving Cu (II), Fe (III), Hg (II), and Cr (VI) ions in aqueous systems. A detailed discussion of practical challenges and future recommendations is presented to identify feasible design routes.
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Affiliation(s)
- Subrajit Bosu
- Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar, P C-311, Oman
| | - Natarajan Rajamohan
- Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar, P C-311, Oman.
| | - Suresh Sagadevan
- Nanotechnology and Catalysis Research Centre, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Nitin Raut
- Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar, P C-311, Oman
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Cui X, Zhang Y, Chen Z, Xiao H, Xiong R, Huang C. Xylan derived carbon dots composite with PCL/PLA for construction biomass nanofiber membrane used as fluorescence sensor for detection Cu 2+ in real samples. Int J Biol Macromol 2023; 252:126431. [PMID: 37604423 DOI: 10.1016/j.ijbiomac.2023.126431] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/14/2023] [Accepted: 08/18/2023] [Indexed: 08/23/2023]
Abstract
Water and soil pollution caused by Cu2+ is not conducive to sustainable development of environment and could cause damage to environment and even human body. Currently, fluorescent sensor solutions analysis method has been used for Cu2+ detection, but they also suffer from drawbacks including easy leakage, difficult storage, and inaccurate. Herein, a green solid-state biomass fluorescence platform (NBU-CDs) consisting of xylan-derived carbon dots (U-CDs) and polylactic acid/polycaprolactone (PLA/PCL) was designed by using in situ electrospinning technology. The prepared NBU-CDs fluorescence platform showed good fluorescence effect and can be served as fluorescence sensor for detecting Cu2+ with high sensitively, selectively and low detection limit (LOD = 0.83 μM). The practical applications of NBU-CDs exhibited high specificity for Cu2+ detection in zebrafish, water samples (school lake, Xuanwu Lake and Yangtze River) with high recovery rates of 97 %-104 % and soil (pond soil, grassland soil and bamboo soil) samples, respectively. The developed fluorescence platform was utilized to predict water and soil safety by monitoring Cu2+ concentration and provides a new strategy for Cu2+ detection.
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Affiliation(s)
- Xiaoci Cui
- Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, China
| | - Yingying Zhang
- Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, China.
| | - Zhiyuan Chen
- Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, China
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick E3B5A3, Canada
| | - Ranhua Xiong
- Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, China.
| | - Chaobo Huang
- Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, China.
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Swathi R, Reddy GB, Rajkumar B, Ramakrishna D, Swamy PY. Jamun Seed-Derived Nitrogen-Doped Carbon Dots: A Novel Microwave-Assisted Synthesis for Ultra-Bright Fluorescence and Mn 7+ Detection. J Fluoresc 2023:10.1007/s10895-023-03438-2. [PMID: 37747598 DOI: 10.1007/s10895-023-03438-2] [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: 08/03/2023] [Accepted: 09/08/2023] [Indexed: 09/26/2023]
Abstract
For the synthesis of heteroatom-doped carbon nanostructures, biomass is considered as a promising option. Utilizing the microwave-assisted method, we have demonstrated an easy and straightforward one-pot synthesis of nitrogen-doped luminous carbon dots (NCDs) from jamun seed powder and guanidine hydrochloride. Structural and morphological analyses were performed using various analytical techniques. Under ultraviolet light of 315 nm, NCDs emit a bright blue fluorescence, possess a high quantum yield of 26.90%, exhibit strong water dispersion, and demonstrated excellent stability. The average particle size of the NCDs was found to be 7.5±1.2 nm, with a spherical shape. NCDs exhibit high selectivity and sensitivity in fluorescence quenching when exposed to Mn7+ ions. Over a concentration range of 2-30 µM, the fluorescence response (F0/F) shows a linear relationship with Mn7+ concentration, with a detection limit of 0.81 µM. The probe exhibited negligible interference and proved to be effective in accurately quantifying Mn7+ in spiked real-water samples.
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Affiliation(s)
- R Swathi
- Department of Chemistry, Osmania University, Hyderabad, Telangana, 500008, India
| | - G Bhagavanth Reddy
- Department of Chemistry, Palamuru University, Wanaparthy, Telangana, 509001, India
| | - Bandi Rajkumar
- Department of Chemistry, Osmania University, Hyderabad, Telangana, 500008, India
| | - Dadigala Ramakrishna
- Department of Chemistry, Osmania University, Hyderabad, Telangana, 500008, India
| | - P Yadagiri Swamy
- Department of Chemistry, Osmania University, Hyderabad, Telangana, 500008, India.
- Department of Chemistry, Palamuru University, Wanaparthy, Telangana, 509001, India.
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