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Zeng J, Zhang T, Liang G, Mo J, Zhu J, Qin L, Liu X, Ni Z. A "turn off-on" fluorescent sensor for detection of Cr(Ⅵ) based on upconversion nanoparticles and nanoporphyrin. Spectrochim Acta A Mol Biomol Spectrosc 2024; 311:124002. [PMID: 38364512 DOI: 10.1016/j.saa.2024.124002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/16/2024] [Accepted: 02/04/2024] [Indexed: 02/18/2024]
Abstract
Hexavalent chromium (Cr(Ⅵ)) is a significant environmental pollutant because of its toxic and carcinogenic properties and wide use in various industries. Hence, there is an urgent need to develop accurate and selective approaches to detect the concentration of Cr(Ⅵ) in agricultural and aquaculture products to help humans avoid potential hazards of indirectly taking in Cr(Ⅵ). In this work, we report a "turn off-on" fluorescent sensor based on citric acid coated, 808 nm-excited core-shell upconversion nanoparticles (CA-UCNPs) and self-assembled copper porphyrin nanoparticles (nano CuTPyP) for sensitive and specific detection of Cr(Ⅵ). Nano copper 5, 10, 15, 20-tetra(4-pyridyl)-21H-23H- porphine obtained by acid-base neutralization micelle-confined self-assembly method function as an effective quencher due to its excellent optical property and water solubility. Through electrostatic interactions, positively charged nano CuTPyP are attracted to the surface of negatively charged CA-UCNPs, which can almost completely quench the fluorescence emission. In the presence of Cr(Ⅵ), nano CuTPyP can discriminatively interact with Cr(Ⅵ) and form nano CuTPyP/Cr(Ⅵ) complex, which separates nano CuTPyP from CA-UCNPs and restores the fluorescence. The sensing system exhibits a good linear response to Cr(Ⅵ) concentration in the range from 0.5 to 400 µM with a detection limit of 0.36 µM. The sensing method also displays high selectivity against other common ions including trivalent chromium and is applied to the analysis of Cr(Ⅵ) in actual rice and fish samples with satisfactory results.
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Affiliation(s)
- Jiaying Zeng
- School of Public Health, Southeast University, Nanjing 210009, PR China
| | - Ting Zhang
- School of Public Health, Southeast University, Nanjing 210009, PR China
| | - Geyu Liang
- School of Public Health, Southeast University, Nanjing 210009, PR China
| | - Jingwen Mo
- Engineering Research Center of New Light Sources Technology & Equipment-Ministry of Education, Jiangsu Key Laboratory for Design & Manufacture of Micro/Nano Biomedical Instruments and School of Mechanical Engineering, Southeast University, Nanjing 210096, PR China.
| | - Jianxiong Zhu
- Engineering Research Center of New Light Sources Technology & Equipment-Ministry of Education, Jiangsu Key Laboratory for Design & Manufacture of Micro/Nano Biomedical Instruments and School of Mechanical Engineering, Southeast University, Nanjing 210096, PR China
| | - Longhui Qin
- Engineering Research Center of New Light Sources Technology & Equipment-Ministry of Education, Jiangsu Key Laboratory for Design & Manufacture of Micro/Nano Biomedical Instruments and School of Mechanical Engineering, Southeast University, Nanjing 210096, PR China
| | - Xiaojun Liu
- Engineering Research Center of New Light Sources Technology & Equipment-Ministry of Education, Jiangsu Key Laboratory for Design & Manufacture of Micro/Nano Biomedical Instruments and School of Mechanical Engineering, Southeast University, Nanjing 210096, PR China.
| | - Zhonghua Ni
- Engineering Research Center of New Light Sources Technology & Equipment-Ministry of Education, Jiangsu Key Laboratory for Design & Manufacture of Micro/Nano Biomedical Instruments and School of Mechanical Engineering, Southeast University, Nanjing 210096, PR China.
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Wei L, Zhu D, Cheng Q, Gao Z, Wang H, Qiu J. Aptamer-Based fluorescent DNA biosensor in antibiotics detection. Food Res Int 2024; 179:114005. [PMID: 38342532 DOI: 10.1016/j.foodres.2024.114005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/03/2024] [Accepted: 01/08/2024] [Indexed: 02/13/2024]
Abstract
The inappropriate employment of antibiotics across diverse industries has engendered profound apprehensions concerning their cumulative presence within human bodies and food commodities. Consequently, many nations have instituted stringent measures limiting the admissible quantities of antibiotics in food items. Nonetheless, conventional techniques employed for antibiotic detection prove protracted and laborious, prompting a dire necessity for facile, expeditious, and uncomplicated detection methodologies. In this regard, aptamer-based fluorescent DNA biosensors (AFBs) have emerged as a sanguine panacea to surmount the limitations of traditional detection modalities. These ingenious biosensors harness the binding prowess of aptamers, singular strands of DNA/RNA, to selectively adhere to specific target antibiotics. Notably, the AFBs demonstrate unparalleled selectivity, affinity, and sensitivity in detecting antibiotics. This comprehensive review meticulously expounds upon the strides achieved in AFBs for antibiotic detection, particularly emphasizing the labeling modality and the innovative free-label approach. It also elucidates the design principles behind a diverse array of AFBs. Additionally, a succinct survey of signal amplification strategies deployed within these biosensors is provided. The central objective of this review is to apprise researchers from diverse disciplines of the contemporary trends in AFBs for antibiotic detection. By doing so, it aspires to instigate a concerted endeavor toward the development of heightened sensitivity and pioneering AFBs, thereby contributing to the perpetual advancement of antibiotic detection methodologies.
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Affiliation(s)
- Luke Wei
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Dingze Zhu
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Qiuyue Cheng
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Zihan Gao
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Honglei Wang
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Jieqiong Qiu
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China.
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Ou D, Yan H, Chen Z. An impedance labeling free electrochemical aptamer sensor based on tetrahedral DNA nanostructures for doxorubicin determination. Mikrochim Acta 2024; 191:94. [PMID: 38217713 DOI: 10.1007/s00604-024-06176-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/26/2023] [Indexed: 01/15/2024]
Abstract
Based on the electrochemical impedance method, a marker-free biosensor with aptamer as a biometric element was developed for the determination of doxorubicin (DOX). By combining aptamer with rigid tetrahedral DNA nanostructures (TDNs) and fixing them on the surface of gold electrode (GE) as biometric elements, the density and directivity of surface nanoprobes improved, and DOX was captured with high sensitivity and specificity. DOX was captured by immobilized aptamers on the GE, which inhibited electron transfer between the GE and [Fe(CN)6]3-/4- in solution, resulting in a change in electrochemical impedance. When the DOX concentration was between 10.0 and 100.0 nM, the aptasensor showed a linear relationship with charge transfer resistance, the relative standard deviation (RSD) ranged from 3.6 to 5.9%, and the detection limit (LOD) was 3.0 nM. This technique offered a successful performance for the determination of the target analyte in serum samples with recovery in the range 97.0 to 99.6% and RSD ranged from 4.8 to 6.5%. This method displayed the advantages of fast response speed, good selectivity, and simple sensor structure and showed potential application in therapeutic drug monitoring.
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Affiliation(s)
- Dan Ou
- Department of Pharmacy, The Second Affiliated Hospital of Guangxi Medical University, Nanning, 530007, China
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Huixian Yan
- Department of Interventional Radiology, Guangxi Academy of Medical Science, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, 530016, China
| | - Zuanguang Chen
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China.
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He W, Chen Z, Yu C, Shen Y, Wu D, Liu N, Zhang X, Wu F, Chen J, Zhang T, Lan J. Unlabelled LRET biosensor based on double-stranded DNA for the detection of anthraquinone anticancer drugs. Mikrochim Acta 2023; 191:15. [PMID: 38087000 DOI: 10.1007/s00604-023-06076-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 10/30/2023] [Indexed: 12/18/2023]
Abstract
Based on upconversion nanoparticles (UCNPs) as energy donor and herring sperm DNA (hsDNA) as molecular recognition element, an unlabelled upconversion luminescence (UCL) affinity biosensor was constructed for the detection of anthraquinone (AQ) anticancer drugs in biological fluids. AQ anticancer drugs can insert into the double helix structure of hsDNA on the surface of UCNPs, thereby shortening the distance from UCNPs. Therefore, the luminescence resonance energy transfer (LRET) phenomenon is effectively triggered between UCNPs and AQ anticancer drugs. Hence, AQ anticancer drugs can be quantitatively detected according to the UCL quenching rate. The biosensor showed good sensitivity and stability for the detection of daunorubicin (DNR) and doxorubicin (ADM). For the detection of DNR, the linear range is 1-100 μg·mL-1 with a limit of detection (LOD) of 0.60 μg·mL-1, and for ADM, the linear range is 0.5-100 μg·mL-1 with a LOD of 0.38 μg·mL-1. The proposed biosensor provides a convenient method for monitoring AQ anticancer drugs in clinical biological fluids in the future.
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Affiliation(s)
- Wenhui He
- Department of Orthopaedics Institute, Fuzhou Second Hospital, Fuzhou, Fujian, 350007, People's Republic of China
| | - Zhiwei Chen
- The School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Chunxiao Yu
- The School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Yiping Shen
- The School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Dongzhi Wu
- Department of Orthopaedics Institute, Fuzhou Second Hospital, Fuzhou, Fujian, 350007, People's Republic of China
| | - Nannan Liu
- Department of Orthopaedics Institute, Fuzhou Second Hospital, Fuzhou, Fujian, 350007, People's Republic of China
| | - Xi Zhang
- The School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Fang Wu
- The School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Jinghua Chen
- The School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Tao Zhang
- Department of Orthopaedics Institute, Fuzhou Second Hospital, Fuzhou, Fujian, 350007, People's Republic of China.
| | - Jianming Lan
- The School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, 350108, People's Republic of China.
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