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Liu X, Luo Y, Lin T, Xie Z, Qi X. Gold nanoclusters-based fluorescence resonance energy transfer for rapid and sensitive detection of Pb 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 315:124302. [PMID: 38640623 DOI: 10.1016/j.saa.2024.124302] [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: 11/14/2023] [Revised: 04/12/2024] [Accepted: 04/14/2024] [Indexed: 04/21/2024]
Abstract
Lead pollution has remained a significant global concern for several decades due to its detrimental effects on the brain, heart, kidneys, lungs, and immune system across all age groups. Addressing the demand for detecting trace amounts of lead in food samples, we have developed a novel biosensor based on fluorescence resonance energy transfer (FRET) from fluorescein R6G to gold nanoclusters (AuNCs-CCY). By utilizing polypeptides as a template, we successfully synthesized AuNCs-CCY with an excitation spectrum that overlaps with the emission spectrum of R6G. Exploiting the fact that Pb2+ induces the aggregation of gold nanoclusters, leading to the separation of R6G from AuNCs-CCY and subsequent fluorescence recovery, we achieved the quantitative detection of Pb2+. Within the concentration range of 0.002-0.20 μM, a linear relationship was observed between the fluorescence enhancement value (F-F0) and Pb2+ concentration, characterized by the linear equation y = 2398.69x + 87.87 (R2 = 0.996). The limit of detection (LOD) for Pb2+ was determined to be 0.00079 μM (3σ/K). The recovery rate ranged from 96 % to 104 %, with a relative standard deviation (RSD) below 10 %. These findings demonstrate the potential application value of our biosensor, which offers a promising approach to address the urgent need for sensitive detection of heavy metal ions, specifically Pb2+, in food samples.
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Affiliation(s)
- Xuemei Liu
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing 100124, China.
| | - Yunjing Luo
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing 100124, China.
| | - Taifeng Lin
- Faculty of Environment and Life, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing 100124, China.
| | - Ziqi Xie
- Faculty of Materials and Manufacture, Beijing University of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing 100124, China.
| | - Xiaohua Qi
- Chinese Academy of Inspection and Quarantine, Beijing 100123, China.
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Gupta A, Rotake D, Darji A. Sensing lead ions in water: a comprehensive review on strategies and sensor materials. ANAL SCI 2024; 40:997-1021. [PMID: 38523231 DOI: 10.1007/s44211-024-00547-1] [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: 11/24/2023] [Accepted: 02/25/2024] [Indexed: 03/26/2024]
Abstract
It is well-known fact that elevated lead ions (Pb2+), the third most toxic among heavy metal ions in aqueous systems, pose a threat to human health and aquatic ecosystems when they exceed permissible limits. Pb2+ is commonly found in industrial waste and fertilizers, contaminating water sources and subsequently entering the human body, causing various adverse health conditions. Unlike being expelled, Pb2+ accumulates within the body, posing potential health risks. The harmful impact of presence of Pb2+ in water have prompted researchers to diligently work toward maintaining water quality. Recognizing the importance of Pb2+, this review article makes a sincere and effective effort to address the issues associated with Pb2+. This overview article gives insights into various sensing approaches to detect Pb2+ in water using different sensing materials, including 2-dimensional materials, thiols, quantum dots, and polymers. Herein, different sensing approaches such as electrochemical, optical, field effect transistor-based, micro-electromechanical system-based, and chemi resistive are thoroughly explained. Field effect transistor-based and chemiresistive work on similar principles and are compared on the basis of their fabrication processes and sensing capabilities. In conclusion, future directions for chemiresistive sensors in Pb2+ detection are proposed, emphasizing their simplicity, portability, straightforward functionality, and ease of fabrication. Notably, it sheds light on various thiol and ligand compounds and coupling strategies utilized in Pb2+ detection. This comprehensive study is expected to benefit individuals engaged in Pb2+ detection.
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Affiliation(s)
- Anju Gupta
- Department of Electronics Engineering, Sardar Vallabhbhai National Institute of Technology, Ichchhanath, Surat, 395007, Gujarat, India
- Department of Biomedical Engineering, Shri Ramdeobaba College of Engineering and Management, Ramdeo Tekdi, Nagpur, 440013, Maharashtra, India
| | - Dinesh Rotake
- Department of Electrical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Hyderabad, 502284, Telangana, India.
| | - Anand Darji
- Department of Electronics Engineering, Sardar Vallabhbhai National Institute of Technology, Ichchhanath, Surat, 395007, Gujarat, India
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Aparna A, Sreehari H, Chandran A, Anjali KP, Alex AM, Anuvinda P, Gouthami GB, Pillai NP, Parvathy N, Sadanandan S, Saritha A. Ligand-protected nanoclusters and their role in agriculture, sensing and allied applications. Talanta 2021; 239:123134. [PMID: 34922101 DOI: 10.1016/j.talanta.2021.123134] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 12/16/2022]
Abstract
Nano biotechnology, when coupled with green chemistry, can revolutionize human life because of the vast opportunities and benefits it can offer to the quality of human life. Luminescent metal nanoclusters (NCs) have recently developed as a potential research area with applications in different areas like medical, imaging, sensing etc. Recently these new candidates have proved to be beneficial in the food supply chain enabling controlled release of nutrients, pesticides and as nanosensors for the detection of contaminants and play roles in healthy food storage and maintaining food quality. An assortment of nanomaterials has been employed for these applications and reviews have been published on the use of nanotechnology in agriculture. Ligand-protected metal nanoclusters are a distinctive class of small organic-inorganic nanostructures that garnered immense research interest in recent years owing to their stability at specific "magic size" compositions along with tunable properties that make them promising candidates for a wide range of nanotechnology-based applications. This review tries to consolidate the recent developments in the area of ligand-protected nanoclusters in connection with the detection of pesticides, food contaminants, heavy metal ions and plant growth monitoring for healthy agricultural practices. Its antimicrobial activity to manage the microbial contamination is highlighted. The review also throws light on the various perspectives by which food production and allied areas will be transformed in future.
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Affiliation(s)
- Asok Aparna
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - H Sreehari
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - Amrutha Chandran
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - K P Anjali
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - Ansu Mary Alex
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - P Anuvinda
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - G B Gouthami
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - Neeraja P Pillai
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - N Parvathy
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - Sandhya Sadanandan
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India
| | - Appukuttan Saritha
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, India.
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Le VT, Duong TG, Le VT, Phan TL, Huong Nguyen TL, Chau TP, Doan VD. Effective reduction of nitrophenols and colorimetric detection of Pb(ii) ions by Siraitia grosvenorii fruit extract capped gold nanoparticles. RSC Adv 2021; 11:15438-15448. [PMID: 35424067 PMCID: PMC8698254 DOI: 10.1039/d1ra01593a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 04/15/2021] [Indexed: 12/24/2022] Open
Abstract
This study presents a simple and green approach for the synthesis of Siraitia grosvenorii fruit extract capped gold nanoparticles (SG-AuNPs). The SG-AuNPs samples prepared under the optimized conditions were characterized by various techniques (UV-Vis, XRD, FTIR, HR-TEM, EDX, DLS). The biosynthesized nanoparticles were then studied for the reduction of 2-nitrophenol (2-NP) and 3-nitrophenols (3-NP) and for colorimetric detection of Pb2+ ions. The characterization results revealed that the crystals of SG-AuNPs were spherical with an average size of 7.5 nm. The FTIR and DLS analyses proved the presence of the biomolecule layer around AuNPs, which played an important role in stabilizing the nanoparticles. The SG-AuNPs showed excellent catalytic activity in the reduction of 3-NP and 2-NP, achieving complete conversion within 14 min. The catalytic process was endothermic and followed pseudo-first-order kinetics. The activation energy was determined to be 10.64 and 26.53 kJ mol-1 for 2-NP and 3-NP, respectively. SG-AuNPs maintained high catalytic performance after five recycles. The fabricated material was also found to be highly sensitive and selective to Pb2+ ions with the detection limit of 0.018 μM in a linear range of 0-1000 μM. The practicality of the material was validated through the analyses of Pb2+ in mimic pond water samples. The developed nanoparticles could find tremendous applications in environmental monitoring.
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Affiliation(s)
- Van Thuan Le
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University 03 Quang Trung Da Nang City 550000 Vietnam
- The Faculty of Environmental and Chemical Engineering, Duy Tan University 03 Quang Trung Da Nang City 550000 Vietnam
| | - Truong Giang Duong
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City 12 Nguyen Van Bao Ho Chi Minh City 700000 Vietnam
| | - Van Tan Le
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City 12 Nguyen Van Bao Ho Chi Minh City 700000 Vietnam
| | - Thanh Long Phan
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City 12 Nguyen Van Bao Ho Chi Minh City 700000 Vietnam
| | - Thi Lan Huong Nguyen
- Institute of Biotechnology and Food Technology, Industrial University of Ho Chi Minh City Ho Chi Minh City 700000 Vietnam
| | - Tan Phat Chau
- Institute of Applied Science & Technology, Van Lang University Ho Chi Minh City 700000 Vietnam
| | - Van-Dat Doan
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City 12 Nguyen Van Bao Ho Chi Minh City 700000 Vietnam
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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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