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Yang Y, Li D, Qie S, Su S, Hu M. Composite Eu@Cd-CP as a fluorescent probe for the detection of some food additives. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 317:124401. [PMID: 38703414 DOI: 10.1016/j.saa.2024.124401] [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: 02/02/2024] [Revised: 04/11/2024] [Accepted: 04/30/2024] [Indexed: 05/06/2024]
Abstract
A transition metal coordination polymer (CP), [Cd(Hdpcp)]n (Cd-CP) was prepared based on 3-(2,4-dicarboxyphenyl)-6-carboxypyridine ligand (H3dpcp), and then its composite Eu@Cd-CP was synthesized by the post-modification through loading Eu3+ ions on Cd-CP. Eu@Cd-CP has outstanding fluorescence stability in aqueous solution with a wide range of pH. Furthermore, Eu@Cd-CP can distinguish sodium salicylate (SS) and sodium dehydroacetate (SA) in some food additives by quenching the characteristic fluorescence of Eu3+ ion. Eu@Cd-CP is the first known CP-based fluorescent probe for selective detection of SS and SA. In addition, the fluorescence mechanisms of discerning above analytes by Eu@Cd-CP have been thoroughly evaluated. It has found that synergistic effect of the dynamic process, photoinduced electron transfer (PET) process, energy absorption competition, and formation of Eu-O bonding interactions in sensing SA lead to the fluorescence quenching of Eu@Cd-CP. The fluorescence response mechanism of Eu@Cd-CP with SA is ascribed to the combination of the dynamic process, PET process, and energy absorption competition. A series of portable devices based on Eu@Cd-CP including fluorescence test strips, lamp beads, and composite films were developed to discern SS and SA via visual changes in luminescence color. This composite material can be potentially used as a multifunctional fluorescent probe for practical applications.
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Affiliation(s)
- Yefang Yang
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China; Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, Hohhot 010021, China
| | - Dechao Li
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China; Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, Hohhot 010021, China
| | - Shaowen Qie
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China; Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, Hohhot 010021, China
| | - Shuai Su
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China; Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, Hohhot 010021, China
| | - Ming Hu
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China; Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, Hohhot 010021, China.
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2
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Li Z, Li S, Jiang L, Xiao J, Niu J, Zhang Y, Chen C, Zhou Q. Construction of nitrogen-doped carbon dots-based fluorescence probe for rapid, efficient and sensitive detection of chlortetracycline. CHEMOSPHERE 2024; 361:142535. [PMID: 38844108 DOI: 10.1016/j.chemosphere.2024.142535] [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: 02/23/2024] [Revised: 05/21/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024]
Abstract
Antibiotics are widely used in clinical medicine due to their excellent antibacterial abilities. As typical emerging pollutants, their misuse can lead to excess antibiotics entering the environment, causing antimicrobial resistance and leading to serious health problems via food chain. Herein, a nano-fluorescent probe based on nitrogen-doped carbon dots (N-CDs) was constructed for the sensitive detection of chlortetracycline (CTC). N-CDs with stable fluorescence were synthesized by hydrothermal method using alizarin red and melamine as raw materials. The N-CDs exhibited significant independence to excitation wavelength. The fluorescence of N-CDs was significantly quenched by CTC ascribing to the fluorescence resonance energy transfer mechanism. The concentration of N-CDs, solution pH and incubation time were optimized to obtain the optimal detection parameters. Under optimal conditions, CTC exhibited excellent linearity over the range of 20-1200 μg/L, and the detection limit was 8.74 μg/L. The method was validated with actual water samples and achieved satisfied spiked recoveries of 97.6-102.6%. Therefore, the proposed method has significant application value in the detection of CTC in waters.
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Affiliation(s)
- Zhi Li
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Shuangying Li
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Liushan Jiang
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Junping Xiao
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Jingwen Niu
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Yue Zhang
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Chunmao Chen
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China.
| | - Qingxiang Zhou
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China.
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Raveendran P T V, C A, Neeroli Kizhakayil R. Fe 3+-induced luminescence quenching in carbon dots - mechanism unveiled. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2349-2358. [PMID: 38563425 DOI: 10.1039/d3ay02202a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Carbon dot (CD)-based fluorimetric sensors have attracted immense attention for the detection of metal ions. Among the available works in this direction, more than 70% of the studies reported the detection of Fe3+ through luminescence quenching. Ferric ions are significant species from environmental and biological point of view. Excited-state electron transfer from carbon dots to ferric ions is suggested as the reason for the luminescence quenching. However, to date, no solid proof was provided to demonstrate this electron transfer process. Herein, N-doped blue luminescent carbon dots prepared via hydrothermal carbonization are used to demonstrate the exact mechanism operating in the above-mentioned detection strategy. The carbon dots possessed an average size of 4.9 nm, and exhibited good aqueous solubility as well as an excitation wavelength-dependent emission. Fe3+-mediated luminescence quenching was quantitatively achieved at the micromolar level, with a detection limit of 1.426 μM. The CD-mediated reduction of ferric ions is confirmed by spectral analysis. Fe3+-induced luminescence quenching was partially restored in the presence of ascorbic acid, enabling the sub-micromolar level monitoring of this analyte, with the lowest detection amount of 276 nM. Turnbull's blue method is adopted for confirming the reducing role of ascorbic acid, which eventually increased the luminescence of the system, evoking a turn-on response.
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Affiliation(s)
- Varsha Raveendran P T
- Advanced Materials Research Centre, Department of Chemistry, University of Calicut, Kerala-673 635, India.
| | - Anjali C
- Advanced Materials Research Centre, Department of Chemistry, University of Calicut, Kerala-673 635, India.
| | - Renuka Neeroli Kizhakayil
- Advanced Materials Research Centre, Department of Chemistry, University of Calicut, Kerala-673 635, India.
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Lin Z, Zeng Q, Yao W, Chen W, Cai C, Yang J, Lin X, Chen W. A fluorescence "turn-on" sensor for ascorbic acid in fruit juice and beverage based on ascorbate oxidase-like activity of citric acid-derived carbon dots. Food Chem 2024; 437:137928. [PMID: 37976784 DOI: 10.1016/j.foodchem.2023.137928] [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: 09/06/2023] [Revised: 10/27/2023] [Accepted: 11/01/2023] [Indexed: 11/19/2023]
Abstract
Citric acid-derived carbon dots (CA-CDs) without any modifications were found to have the ascorbate oxidase (AAO)-like activity. The CA-CDs have high affinity for ascorbic acid (AA), which is similar to natural AAO. The robustness of CA-CDs is greater than that of AAO. Based on the AAO mimetic activity of CA-CDs, a sensitive turn-on mode and natural enzyme-free fluorescence detection method has been developed for AA in some fruit juice and beverage samples with satisfied recoveries. This study provides CDs-based AAO mimetic nanozymes to replace the expensive natural enzymes or heavy metal-based nanozymes, which will show great potential in biological and food assays.
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Affiliation(s)
- Zhen Lin
- Department of Pharmaceutical Analysis, Faculty of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou 350122, China.
| | - Qi Zeng
- Department of Pharmaceutical Analysis, Faculty of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou 350122, China; Department of Pharmaceutical Analysis, Faculty of Pharmacy, Quanzhou Medical College, Quanzhou 362011, China
| | - Wensong Yao
- College of Medical Sciences, Ningde Normal University, Ningde 352100, China.
| | - Wei Chen
- Department of Pharmaceutical Analysis, Faculty of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou 350122, China
| | - Chuangui Cai
- Department of Pharmaceutical Analysis, Faculty of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou 350122, China
| | - Jialin Yang
- Department of Pharmaceutical Analysis, Faculty of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou 350122, China
| | - Xinhua Lin
- Department of Pharmaceutical Analysis, Faculty of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou 350122, China
| | - Wei Chen
- Department of Pharmaceutical Analysis, Faculty of Pharmacy, Fujian Medical University, Fuzhou 350122, China; Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, Fujian Medical University, Fuzhou 350122, China.
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Al-Mashriqi HS, Sanga P, Chen J, Li X, Xiao J, Li Y, Qiu H. Green-emitting carbon dots as a "turn on" fluorescence bio-probe for highly sensitive and selective detection of lipase in human serum. Anal Bioanal Chem 2024; 416:971-981. [PMID: 38082135 DOI: 10.1007/s00216-023-05086-8] [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: 09/10/2023] [Revised: 11/13/2023] [Accepted: 11/28/2023] [Indexed: 01/23/2024]
Abstract
Enzyme activity assays play a crucial role in numerous fields, including biotechnology, the food industry, and clinical diagnostics. Lipases are particularly important enzymes due to their widespread use in lipid metabolism and esterification reactions. Here, we present a pioneering method for the sensitive and selective determination of lipase activity using green carbon dots (G-CDs) for first time. G-CDs are a fascinating class of carbon nanomaterials with unique optical properties and biocompatibility, making them ideal candidates for enzyme activity assays. This approach eliminates the need for traditional fluorophores or chromogenic substrates, reducing costs, fast response time (1 min), and environmental impact with a quantum yield (QY) of 7.42%. As designed, the G-CDs fluorescent probe turn-on demonstrated a reliable linear detection range from 0 to 9 mg/mL under ideal conditions, with detection limit of 0.01 mg/mL and limit of quantification (LOQ) of 0.045 mg/mL, respectively. Furthermore, the G-CDs system was thoroughly evaluated in human serum samples, showing recoveries ranging from 100.0 to 105.0%. These findings highlight the promising applicability of the G-CDs probe for lipase detection, yielding highly favorable results.
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Affiliation(s)
- Haitham Saad Al-Mashriqi
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100039, China
| | - Pascaline Sanga
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100039, China
| | - Jia Chen
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.
- Xinjiang Uygur Autonomous Product Quality Supervision and Inspection Institute, Urumqi, 830000, China.
| | - Xin Li
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100039, China
| | - Jing Xiao
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100039, China
| | - Yan Li
- Xinjiang Uygur Autonomous Product Quality Supervision and Inspection Institute, Urumqi, 830000, China
| | - Hongdeng Qiu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100039, China.
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Meng Q, Yao J, Chen M, Dong Y, Liu X, Zhao S, Qiao R, Bai C, Qu C, Miao H. Using Cu 2+ to regulate the emission feature of near-infrared fluorescent sensor with AIE: To detect ascorbic acid in food samples and its application in bioimaging. Anal Chim Acta 2023; 1276:341602. [PMID: 37573096 DOI: 10.1016/j.aca.2023.341602] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/02/2023] [Accepted: 07/07/2023] [Indexed: 08/14/2023]
Abstract
Conventional ascorbic acid (AA) detection methods such as chromatography, capillary electrophoresis, colorimetry, electrochemical detection, and enzymatic analysis require expensive equipment and complicated operation. Simple, rapid, and accurate AA detection is essential to inspect food quality, diagnose diseases, and assess immunity in humans. In this study, the first near-infrared fluorescence sensor DBHM with aggregation-induced emission was developed to detect AA under the involvement of Cu2+. The DBHM + Cu2+ sensor showed high sensitivity to AA with a limit of detection of 2.37 μM. The AA detection mechanism was investigated by optical studies, 1H NMR titration, high-resolution mass spectrometry, and infrared spectroscopy. AA was detected qualitatively and quantitatively by the DBHM + Cu2+ sensor in beverages, fruits, and Vitamin C tablets using a dual-mode (fluorescence and smartphone app) sensing platform. The new sensing system also showed low toxicity and excellent bioimaging in HeLa cells, C. elegans, and mice. This sensor could advance AA detection technology in the food industry and has potential bioimaging applications.
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Affiliation(s)
- Qian Meng
- School of Chemistry and Materials Engineering, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang Normal University, Fuyang, Anhui Province, 236037, PR China
| | - Junxiong Yao
- School of Chemistry and Materials Engineering, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang Normal University, Fuyang, Anhui Province, 236037, PR China
| | - Mengyu Chen
- School of Chemistry and Materials Engineering, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang Normal University, Fuyang, Anhui Province, 236037, PR China
| | - Yajie Dong
- School of Chemistry and Materials Engineering, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang Normal University, Fuyang, Anhui Province, 236037, PR China
| | - Xinyi Liu
- School of Chemistry and Materials Engineering, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang Normal University, Fuyang, Anhui Province, 236037, PR China
| | - Shuyang Zhao
- School of Chemistry and Materials Engineering, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang Normal University, Fuyang, Anhui Province, 236037, PR China
| | - Rui Qiao
- School of Chemistry and Materials Engineering, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang Normal University, Fuyang, Anhui Province, 236037, PR China; Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, PR China.
| | - Cuibing Bai
- School of Chemistry and Materials Engineering, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang Normal University, Fuyang, Anhui Province, 236037, PR China; Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, PR China.
| | - Changqing Qu
- Research Center of Anti-aging Chinese Herbal Medicine of Anhui Province, Fuyang, Anhui, 236037, PR China
| | - Hui Miao
- School of Chemistry and Materials Engineering, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Anhui Provincical Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang Normal University, Fuyang, Anhui Province, 236037, PR China.
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7
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Muro-Hidalgo JM, Bazany-Rodríguez IJ, Hernández JG, Pabello VML, Thangarasu P. Histamine Recognition by Carbon Dots from Plastic Waste and Development of Cellular Imaging: Experimental and Theoretical Studies. J Fluoresc 2023; 33:2041-2059. [PMID: 36976400 PMCID: PMC10539467 DOI: 10.1007/s10895-023-03201-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 03/03/2023] [Indexed: 03/29/2023]
Abstract
The present work highlights the sustainable approach for the transformation of plastic waste into fluorescent carbon dots (CDs) through carbonization and then they were functionalized with L-cysteine and o-phenylenediamine. CDs which were characterized by different analytical techniques such as X-ray diffraction (XRD), thermogravimetric analysis (TGA), Scanning electron microscopy (SEM), and transmission electron microscopy (TEM) are employed to recognize Cu2+, Fe2+, and Hg2+ ions. The results show that the fluorescence emission was considerably quenched, and it is consistent with the interference and Jobs plots. The detection limit was found to be 0.35µM for Cu(II), 1.38 µM for Hg(II), and 0.51µM Fe(III). The interaction of CDs with metal ions enhances the fluorescence intensity detecting histamine successfully. It shows that plastic waste-based CDs can be applied clinically to detect toxic metals and biomolecules. Moreover, the system was employed to develop the cellular images using Saccharomyces cerevisiae cells with the support of a confocal microscope. Furthermore, theoretical studies were performed for the naphthalene layer (AR) as a model for C-dots, then optimized its structure and analyzed by using the molecular orbital. The obtained TD-DFT spectra coincided with experimental spectra for CDs/M2+/histamine systems.
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Affiliation(s)
- Jessica M Muro-Hidalgo
- Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, 04510, Mexico City, México
| | - Iván J Bazany-Rodríguez
- Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, 04510, Mexico City, México
| | - José Guadalupe Hernández
- Centro Tecnológico, Facultad de Estudios Superiores (FES-Aragón), State of Mexico, Universidad Nacional Autónoma de México (UNAM), 57130, Aragon, México
| | - Victor Manuel Luna Pabello
- Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, 04510, Mexico City, México
| | - Pandiyan Thangarasu
- Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, 04510, Mexico City, México.
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8
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Sang M, Meng X, Zhang Y, Li Z, Zhou Q, Jing X, Sun X, Zhao W. An "on-off-on" electrochemiluminescence aptasensor based on a self-enhanced luminophore for ochratoxin A detection. Anal Bioanal Chem 2023; 415:5833-5844. [PMID: 37477648 DOI: 10.1007/s00216-023-04864-8] [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: 05/15/2023] [Revised: 06/11/2023] [Accepted: 07/03/2023] [Indexed: 07/22/2023]
Abstract
A highly selective and sensitive "on-off-on" electrochemiluminescence (ECL) aptasensor based on a self-enhanced luminophore was developed for the detection of ochratoxin A (OTA). Specifically, polyethyleneimine functionalized multi-walled carbon nanotubes decorated with gold nanoparticles (AuNPs-PEI-MWCNTs) were used as the electrode matrix to accelerate electron transfer and provide a favorable microenvironment for self-enhanced luminophore loading and ECL signal enhancement. In addition, black phosphorus quantum dots (BPQDs) were used as co-reactants of the ECL reagent tris (2,2'-bipyridyl) ruthenium(II) (Ru(bpy)32+) in ECL experiments, and the reaction mechanism was investigated. The self-enhanced luminophore Ru@SiO2-BPQDs was obtained by encapsulating Ru(bpy)32+ in silica (SiO2) nanoparticles and then combining it with BPQDs through electrostatic interaction. In conventional ECL systems, the emitter and its co-reactants reacted via the inter-nanoparticle pathway, leading to long distance electron transfer. However, the electron transfer distance in the self-enhanced luminophore was significantly shortened due to the intra-nanoparticle electron transfer pathway because BPQDs and oxidized Ru(bpy)32+ were bound within one nanoparticle, thereby improving ECL efficiency to achieve the first "switch-on" state. Then, the luminophore was quenched using ferrocenes (Fc) modified on an aptamer to achieve the "switch-off" state. Finally, OTA was specifically identified by the adapter, causing Fc to be released from the sensor interface, restoring the ECL intensity to achieve the second "switch-on" state. Under optimal conditions, the aptasensor exhibited good sensitivity, stability, and reproducibility, with a linear detection range from 0.1 to 320 ng/mL and a detection limit of 0.03 ng/mL. The novel ECL aptasensor provided a common analytical tool for the detection of mycotoxins and other small molecules.
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Affiliation(s)
- Maosheng Sang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo, 255049, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
| | - Xiaoya Meng
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo, 255049, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
| | - Yuhao Zhang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo, 255049, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
| | - Zhongyu Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo, 255049, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
| | - Quanlong Zhou
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo, 255049, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
| | - Xiangzhu Jing
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo, 255049, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
| | - Xia Sun
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo, 255049, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo, 255049, China
| | - Wenping Zhao
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Xilu, Zibo, 255049, China.
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 266 Xincun Xilu, Zibo, 255049, China.
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, No. 266 Xincun Xilu, Zibo, 255049, China.
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9
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Kumara BN, Kalimuthu P, Prasad KS. Synthesis, properties and potential applications of photoluminescent carbon nanoparticles: A review. Anal Chim Acta 2023; 1268:341430. [PMID: 37268342 DOI: 10.1016/j.aca.2023.341430] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 05/24/2023] [Accepted: 05/24/2023] [Indexed: 06/04/2023]
Abstract
Photoluminescent-carbon nanoparticles (PL-CNPs) are a new class of materials that received immense interest among researchers due to their distinct characteristics, including photoluminescence, high surface-to-volume ratio, low cost, ease of synthesis, high quantum yield, and biocompatibility. By exploiting these outstanding properties, many studies have been reported on its utility as sensors, photocatalysts, probes for bio-imaging, and optoelectronics applications. From clinical applications to point-of-care test devices, drug loading to tracking of drug delivery, and other research innovations demonstrated PL-CNPs as an emerging material that could substitute conventional approaches. However, some of the PL-CNPs have poor PL properties and selectivity due to the presence of impurities (e.g., molecular fluorophores) and unfavourable surface charges by the passivation molecules, which impede their applications in many fields. To address these issues, many researchers have been paying great attention to developing new PL-CNPs with different composite combinations to achieve high PL properties and selectivity. Herein, we thoroughly discussed the recent development of various synthetic strategies employed to prepare PL-CNPs, doping effects, photostability, biocompatibility, and applications in sensing, bioimaging, and drug delivery fields. Moreover, the review discussed the limitations, future direction, and perspectives of PL-CNPs in possible potential applications.
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Affiliation(s)
- B N Kumara
- Nanomaterial Research Laboratory (NMRL), Nano Division, Yenepoya Research Centre, Yenepoya (Deemed to Be University), Deralakatte, Mangalore, 575 018, India
| | - Palraj Kalimuthu
- School of Chemistry and Molecular Biosciences, University of Queensland, Brisbane, 4072, Australia.
| | - K S Prasad
- Centre for Nutrition Studies, Yenepoya (Deemed to Be University), Deralakatte, Mangalore, 575 018, India.
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10
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Wang B, Lan J, Ou J, Bo C, Gong B. Ganoderma lucidum bran-derived blue-emissive and green-emissive carbon dots for detection of copper ions. RSC Adv 2023; 13:14506-14516. [PMID: 37188255 PMCID: PMC10176043 DOI: 10.1039/d3ra02168h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 05/02/2023] [Indexed: 05/17/2023] Open
Abstract
Ganoderma lucidum bran (GB) has a broad application prospect in the preparation of activated carbon, livestock feed, and biogas, but the preparation of carbon dots (CDs) from GB has never been reported. In this work, GB was applied as a carbon source and nitrogen source to prepare both blue fluorescent CDs (BCDs) and green fluorescent CDs (GCDs). The former were prepared at 160 °C for 4 h by a hydrothermal approach, while the latter were acquired at 25 °C for 24 h by chemical oxidation. Two kinds of as-synthesized CDs exhibited unique excitation-dependent fluorescence behavior and high fluorescent chemical stability. Based on the fantastic optical behavior of the CDs, they were utilized as probes for fluorescent determination of copper ions (Cu2+). In the range of 1-10 μmol L-1, the fluorescent intensity of BCDs and GCDs decreased linearly with the increase of Cu2+ concentration; the linear correlation coefficient reached 0.9951 and 0.9982, and the limit of detection (LOD) was 0.74 and 1.08 μmol L-1, respectively. In addition, these CDs remained stable in 0.001-0.1 mmol L-1 salt solutions; BCDs were more stable in the neutral pH range, but GCDs were more stable in neutral to alkaline conditions. The CDs prepared from GB are not only simple and low-cost, but also can realize the comprehensive utilization of biomass.
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Affiliation(s)
- Baoying Wang
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University Yinchuan 750021 China
| | - Jingming Lan
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University Yinchuan 750021 China
| | - Junjie Ou
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University Yinchuan 750021 China
| | - Chunmiao Bo
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University Yinchuan 750021 China
| | - Bolin Gong
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University Yinchuan 750021 China
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11
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Sun P, Song W, Zou Y, Tian M, Zhang F, Chai F. The fabrication of N-doped carbon dots by methionine and their utility in sensing Cu 2+ in real water. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:1631-1638. [PMID: 36946000 DOI: 10.1039/d3ay00056g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Copper ions (Cu2+) are ubiquitous in the ecosystem and cause serious environmental pollution, posing a threat to human health. Therefore, sensitive detection of Cu2+ is urgently needed. Herein, we employed a solvothermal method to prepare blue-emitting carbon dots (Met-CDs) using formamide (FA) and methionine (Met) as precursors, with a high quantum yield (QY) of 38%. Based on the good optical stability of Met-CDs and selective quenching by Cu2+, a sensitive probe using Met-CDs for the detection of Cu2+ in water was successfully designed. Within the linear range of 0.15-2 μM, the limit of detection (LOD) was determined to be as low as 47.7 nM, enabling the quantitative detection of Cu2+. Moreover, the recovery data of the spiked analysis of lake/river water samples were also satisfactory and verified the feasibility of the probe by the analysis of Cu2+ in natural conditions.
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Affiliation(s)
- Peng Sun
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| | - Wanyu Song
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| | - Yu Zou
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| | - Miaomiao Tian
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| | - Fang Zhang
- Purple Mountain Laboratories, Mozhou East Road, Nanjing, Jiangsu Province, 211111, People's Republic of China
| | - Fang Chai
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
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12
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Li Z, Zhou Q, Li S, Liu M, Li Y, Chen C. Carbon dots fabricated by solid-phase carbonization using p-toluidine and l-cysteine for sensitive detection of copper. CHEMOSPHERE 2022; 308:136298. [PMID: 36064008 DOI: 10.1016/j.chemosphere.2022.136298] [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: 04/27/2022] [Revised: 08/14/2022] [Accepted: 08/29/2022] [Indexed: 06/15/2023]
Abstract
In this study, a label-free "turn off" fluorescent sensor has been resoundingly fabricated using carbon dots (CDs) for ultrasensitive detection of copper ions (Cu2+). CDs are prepared by solid phase carbonization method using p-toluidine and l-cysteine as the precursors. The synthesized CDs exhibited the highest fluorescence intensity with excitation and emission wavelengths set at 300 nm and 400 nm, respectively. The CDs were selective and sensitive to Cu2+ due to the static quenching mechanism. The concentration of CDs, and solution pH and incubation time were important parameters for the developed sensor. The experimental results showed that 20 mgL-1 was enough for the analysis. As the solution pH was concerned, it was apparent that the sensor was endowed with an excellent response signal to Cu2+ and provided high sensitivity at pH 12. The interaction occurred very quickly, and the incubation time could be set at 1 min. The sensor provided a two-stage calibration curve to Cu2+ in the range of 0.05-0.7 and 0.7-4 μM with a limit of detection of 47 nM. The obtained results clearly demonstrated that this facile method was fast, reliable and selective for detecting Cu2+, which would explore a prospective strategy for developing effective and low-cost sensors for monitoring metal ions in aqueous environments.
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Affiliation(s)
- Zhi Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Qingxiang Zhou
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, 102249, China.
| | - Shuangying Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Menghua Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Yanhui Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Chunmao Chen
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, 102249, China.
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13
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Lu Q, zhang D, Xu F, He G, Qian J, Xia J. Porous fluorescent polyaminocarbazole synthesis and their sensing applications. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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14
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Cai TT, Tian Y, Huang P, Wu FY. Dual-product synergistically enhanced ratiometric fluorescence assay for alkaline phosphatase activity using core-shell lanthanide-based nanoprobe. Anal Chim Acta 2022; 1235:340550. [DOI: 10.1016/j.aca.2022.340550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/23/2022] [Accepted: 10/22/2022] [Indexed: 11/01/2022]
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15
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Peng F, Zhou X, Cheng W, Ma J, Jiang H. A Carbon Dots Probe for Specific Determination of Cysteine based on Inner Filter Effect. JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1134/s1061934822090039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Won S, Kim J. The detection of Fe (III) and ascorbic acid by fluorescence quenching and recovery of carbon dots prepared from coffee waste. KOREAN J CHEM ENG 2022. [DOI: 10.1007/s11814-022-1138-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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17
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Zhang CY, Chai TQ, Chen GY, Zhang WY, Zhang H, Yang FQ. Investigation on the peroxidase-mimic activity of adenine phosphate and its applications. Microchem J 2022. [DOI: 10.1016/j.microc.2021.106992] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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18
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Lin YS, Yang ZY, Anand A, Huang CC, Chang HT. Carbon dots with polarity-tunable characteristics for the selective detection of sodium copper chlorophyllin and copper ions. Anal Chim Acta 2022; 1191:339311. [PMID: 35033242 DOI: 10.1016/j.aca.2021.339311] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 11/18/2021] [Indexed: 11/28/2022]
Abstract
Compared to water-soluble carbon dots (CDs) the properties and applications of hydrophobic CDs are rarely addressed. In this study, a one-pot, simple chemical oxidation approach has been applied to synthesize hydrophobic carbon dots (TO-CDs) at room temperature from triolein (TO) in concentrated sulfuric acid solution. Sodium copper chlorophyllin (SCC) quenches the fluorescence of TO-CDs by a photoinduced electron transfer process. Upon excitation at 400 nm, the fluorescence intensity of TO-CDs probe at 500 nm shows a linear response against the SCC concentration ranging from 1.0 to 10 μM, with a limit of detection (LOD) of 0.61 μM. Quantitation of SCC in flavored drinks shows percentage recovery (%R) vaues of 98-103% and relative standard deviation (RSD) values less than 6.5%. The hydrophobic TO-CDs can be converted into hydrophilic TO-CDs through hydrolysis in NaOH solution. The presence of sulfonyl groups on the hydrophilic TO-CDs enhances the coordination ability of the CDs toward Cu2+ ions, leading to fluorescence quenching which allows for the detection of Cu2+ ions with LOD of 0.21 μM and a linear range of 0.5-10 μM. The hydrophilic TO-CD probe possesses high selectivity toward Cu2+ ions (tolerance at least ten-fold comparative to other metal ions). The assay has been validated with the analysis of spiked soil samples, with %R values of Cu concentration of 97.8-99.0% and RSDs below 2.0%. The surface tunable CD probes demonstrate their potential for the rapid screening of Cu2+ ions in environmental samples and SCC in foods.
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Affiliation(s)
- Yu-Syuan Lin
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan
| | - Zong-Yu Yang
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan
| | - Anisha Anand
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Chih-Ching Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, 20224, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 20224, Taiwan; School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
| | - Huan-Tsung Chang
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan.
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19
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Han Y, Wang Y, Liu X, Chen J, Qiu H. Green- and Red-Emitting Fluorescent Silicon Nanoparticles: Synthesis, Mechanism, and Acid Phosphatase Sensing. ACS APPLIED BIO MATERIALS 2022; 5:295-304. [PMID: 35014839 DOI: 10.1021/acsabm.1c01086] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Until now, the green and facile synthesis of multicolor fluorescent silicon nanoparticles (SiNPs) with favorable biocompatibility for cellular imaging and biosensors is still a challenge. Herein, a facile one-step room temperature method for preparing fluorescent SiNPs displayed different emission wavelengths was reported. Green and red fluorescent SiNPs (G-SiNPs and R-SiNPs) were synthesized by adjusting the concentration of the reducing agent 2,4-diaminophenol hydrochloride when the amount of N-[3-(trimethoxysilyl)-propyl]-ethylenediamine was consistent. Characterized by Fourier transform infrared spectroscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy, the results revealed that the G-SiNPs and R-SiNPs were assembled by polymerization of different building blocks, and the emission characteristics of these SiNPs were attributed to the difference in their structural composition and particle size. Interestingly, these fluorescent SiNPs exhibited excellent water solubility, salt tolerance, pH stability, photobleaching resistance, and low cytotoxicity, which facilitated multicolor cell imaging, and further led to these SiNPs were highly attractive in a variety of applications, such as multi-channel sensing and biological imaging. Furthermore, the R-SiNPs have shown the potential to detect acid phosphatase, which is a biomarker of prostate cancer.
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Affiliation(s)
- Yangxia Han
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Yuxiang Wang
- Key Laboratory of Sensor and Sensing Technology of Gansu Province, Gansu Academy of Sciences, Lanzhou 730000, China
| | - Xingchen Liu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Jia Chen
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Hongdeng Qiu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.,School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
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20
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Red-emission carbon dots as fluorescent “on–off–on” probe for highly sensitive and selective detection of Cu2+ and glutathione. Anal Bioanal Chem 2022; 414:2219-2233. [DOI: 10.1007/s00216-021-03859-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/27/2021] [Accepted: 12/20/2021] [Indexed: 02/08/2023]
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21
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Yang Y, Pei X, Zhang S, Li Y, Yuan Y, Huang X. Dynamic reversible hydrogel-bearing cucurbit[6]uril units: Unique recognition of copper ions. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2021.105095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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22
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Qi H, Zhang T, Jing C, Zhang Z, Chen Y, Chen Y, Deng Q, Wang S. Metal-organic gel as a fluorescence sensing platform to trace copper(II). ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 14:52-57. [PMID: 34889920 DOI: 10.1039/d1ay01716k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Metal-organic gel (MOG), as a novel type of metallic organic hybrid material, exhibits diverse properties. However, its application in fluorescence detection for specific metal ions has rarely been exploited. In this work, we have designed and synthesized a MOG based on Al-carboxylate coordination assemblies (denoted as MOG-Al). The resultant MOG-Al shows good specific fluorescence signal response to trace Cu2+. Under optimal conditions, the fluorescence quenching degrees (F0 - F) of the MOG-Al have a linear correlation with Cu2+ concentration ranging from 0.05 to 100 μM, and the limit of detection (LOD) is 45.00 nM. The proposed sensing platform was also applied for the detection of Cu2+ in real samples. Satisfactory recoveries (92-116%) for Cu2+ in rice, soybean milk powder and pork liver were obtained. These results indicate that MOG-Al is a promising material for the specific and sensitive sensing of Cu2+.
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Affiliation(s)
- Hao Qi
- Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education of China, School of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Tianli Zhang
- Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education of China, School of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Chuang Jing
- Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education of China, School of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Zhen Zhang
- Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education of China, School of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Yujie Chen
- Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education of China, School of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Yali Chen
- Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education of China, School of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Qiliang Deng
- Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education of China, School of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Shuo Wang
- Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education of China, School of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China.
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23
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Borah N, Kalita AJ, Guha AK, Das MR, Tamuly C. Dual colorimetric sensing of ascorbic acid and thyroxine using Ag-EGCG-CTAB via a DFT approach. RSC Adv 2021; 11:36698-36706. [PMID: 35494345 PMCID: PMC9043532 DOI: 10.1039/d1ra04204a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 10/19/2021] [Indexed: 01/06/2023] Open
Abstract
In this work, a colorimetric approach for the detection of ascorbic acid (AA) and thyroxine (TH) was developed by synthesizing cost-effective silver nanoparticles (AgNPs) decorated with epigallocatechin gallate (EGCG) and CTAB. EGCG is the major bioactive chemical constituent that played a significant role in this study. The environment around the nanoparticle (NP) was controlled by adding CTAB surfactants. The synthesized NPs were characterized by different advanced techniques including XRD, XPS, SEM, and TEM. UV-visible spectra were thoroughly analyzed for sensing of AA and TH and the colour change of the solution can be visually monitored. The change in the localized surface plasmon resonance (LSPR) properties was used as an asset for the detection of AA and TH. A good linear relationship was obtained in both the sensing schemes with a limit of detection (LoD) of 0.67 μM and 0.33 μM for AA and TH respectively. Furthermore, the nanoparticles (NP) were implemented for real-sample analysis (pharmaceutical tablets). A cost-effective filter paper strip-based method coupled with smartphone scanning sensing was developed for the detection of AA. The interaction of AA and TH with the probe was depicted by a density functional theory (DFT) analysis. The synthesized NPs show tremendous selectivity towards AA and TH and excellent potential for practical applications.
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Affiliation(s)
- Nirangkush Borah
- Natural Product Chemistry Section, CSIR-North East Institute of Science and Technology, Branch Itanagar Arunachal Pradesh-791110 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 India
| | | | - Ankur Kanti Guha
- Department of Chemistry, Cotton University Guwahati Assam-781001 India
| | - Manash R Das
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 India
- Material Science & Technology Division, CSIR-North East Institute of Science & Technology Jorhat Assam-785006 India
| | - Chandan Tamuly
- Natural Product Chemistry Section, CSIR-North East Institute of Science and Technology, Branch Itanagar Arunachal Pradesh-791110 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 India
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24
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Li S, Wang Y, Mu S, Zhang J, Liu X, Rizvi SFA, Zhang H, Ding N, Wu L. A feasible self-assembled near-infrared fluorescence sensor for acid phosphatase detection and cell imaging. Analyst 2021; 146:5558-5566. [PMID: 34515720 DOI: 10.1039/d1an01218e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The single signal amplification strategy is significant for detecting various disease biomarkers but is restricted by its limited accuracy. The multi-signal and multi-mode methods have overcome this deficiency. Acid phosphatase (ACP) is an important intracellular enzyme but one-step cell imaging material-based probes are scarce for ACP. Herein, we designed a one-step self-assembled polymer probe using neutral red (NR), modified-(pyridoxal-5'-phosphate (PLP)) and Eu3+. The polymer exhibited non-emission and excellent stability. Upon the catalytic hydrolysis reaction of ACP, the polymer exhibited two strong fluorescence signals at 373 nm and 613 nm and an appreciable decline of absorbance at 395 nm. The probe has excellent selectivity and higher sensitivity with a limit of detection as low as 0.02 mU mL-1. It possesses favorable biocompatibility and has been successfully used to detect and image intracellular ACP in several living cells.
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Affiliation(s)
- Shuangqin Li
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.
| | - Yaya Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.
| | - Shuai Mu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.
| | - Jinlong Zhang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.
| | - Xiaoyan Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.
| | - Syed Faheem Askari Rizvi
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.
| | - Haixia Zhang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.
| | - Nana Ding
- College of Chemical Engineering, Northwest Minzu University, Lanzhou, Gansu 730030, China.
| | - Lan Wu
- College of Chemical Engineering, Northwest Minzu University, Lanzhou, Gansu 730030, China.
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25
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Green synthesis of carbon dots for ultrasensitive detection of Cu2+ and oxalate with turn on-off-on pattern in aqueous medium and its application in cellular imaging. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113443] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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26
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Hu Y, Ji W, Qiao J, Li H, Zhang Y, Luo J. Simple and Sensitive Multi-components Detection Using Synthetic Nitrogen-doped Carbon Dots Based on Soluble Starch. J Fluoresc 2021; 31:1379-1392. [PMID: 34156612 DOI: 10.1007/s10895-021-02764-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/01/2021] [Indexed: 10/21/2022]
Abstract
Although carbon dots (CDs) as fluorescent sensors have been widely exploited, multi-component detection using CDs without tedious surface modification is always a challenging task. Here, two kinds of nitrogen-doped CDs (NCD-m and NCD-o) based on soluble starch (SS) as carbon source were prepared through one-pot hydrothermal process using m-phenylenediamine and o-phenylenediamine as nitrogenous dopant respectively. Through fluorescence "on-off" mechanism of CDs, NCD-m and NCD-o could be used as a fluorescence sensor for detection of Fe 3+ and Ag + with LOD of 0.25 and 0.51 μM, respectively. Additionally, NCD-m could be used for indirect detection of ascorbic acid (AA) with LOD of 5.02 μM. Moreover, fluorescence intensity of NCD-m also exhibited the sensitivity to pH change from 2 to 13. More importantly, Both NCD-m and NCD-o had potential application for analysis of complicated real samples such as tap water, Vitamin C tablets and orange juice. Ultimately, the small size of NCD-m could contribute to reinforcing intracellular endocytosis, which allowed them to be used for bacteria imaging. Obviously, these easily obtainable nitrogen-doped CDs were able to be used for multi-components detection. Strategy for synthesis of nitrogen-doped carbon dots (NCDs) and a schematic for fabrication of as-prepared NCDs for detection of Fe 3+, Ag + and ascorbic acid (AA).
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Affiliation(s)
- Yuanyuan Hu
- Medical College, China Three Gorges University, Yichang, 443002, China.
- Third-Grade Pharmacological Laboratory On Traditional Chinese Medicine (Approved By State Administration of Traditional Chinese Medicine of China, SATCM), China Three Gorges University, Yichang, 443002, China.
| | - Wenxuan Ji
- Medical College, China Three Gorges University, Yichang, 443002, China
| | - Jinjuan Qiao
- Department of Medical Laboratory, Weifang Medical University, Weifang, 261053, China
| | - Heng Li
- Department of Medical Laboratory, Weifang Medical University, Weifang, 261053, China
| | - Yun Zhang
- School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, China
| | - Jun Luo
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, 443003, China.
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27
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Li C, Xu Y, Liu SY, Zhang Y, Yin W, Dai Z, Zou X. Cancer cell identification by facile imaging of intracellular reductive substances with fluorescent nanosensor. Talanta 2021; 234:122650. [PMID: 34364459 DOI: 10.1016/j.talanta.2021.122650] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 06/11/2021] [Accepted: 06/22/2021] [Indexed: 10/21/2022]
Abstract
Ascorbic acid (AA) and glutathione (GSH), the most abundant intracellular reductive substances, have been widely used as biomarkers for cancer cells identification. The current methods relying on imaging of AA or GSH alone to identify cancer cells may cause systematic errors, since a mutual conversion relationship exists between AA and GSH. In this work, we propose a fluorescent nanosensor for the simultaneous imaging of intracellular reductive substances including AA and GSH. Biocompatible fluorescent silicon nanoparticles (SiNPs) with rich surface amine and carboxyl groups were synthesized. The fluorescence of the SiNP was initially quenched by chelation of Fe3+ ions, forming SiNP/Fe3+ complex as the fluorescent nanosensor. Upon the redox reaction with reductive substances, the nanosensor showed sensitively fluorescent recovery. Moreover, benefited from the efficient cellular uptake of the SiNP/Fe3+ and the overexpressed intracellular reductive substances in cancer cells, the fluorescent nanosensor was used to accurately identify the human breast carcinoma (MCF-7) cells from normal mammary epithelial (MCF-10A) cells by imaging of intracellular AA and GSH simultaneously. This strategy would be promising in imaging-guided precision cancer diagnosis.
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Affiliation(s)
- Chunrong Li
- School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China; Qiannan Medical College for Nationalities, Duyun, 558000, China
| | - Yuzhi Xu
- School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Si-Yang Liu
- School of Biomedical Engineering, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Yanfei Zhang
- School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Wen Yin
- School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Zong Dai
- School of Biomedical Engineering, Sun Yat-Sen University, Guangzhou, 510006, China.
| | - Xiaoyong Zou
- School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China.
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Qian J, Lu Q, Xu F, Chen L, Xia J. Two-dimensional nano-layered materials as multi-responsive chemosensors constructed by carbazole- and fluorene-based polyaniline-like derivatives. JOURNAL OF HAZARDOUS MATERIALS 2021; 410:124544. [PMID: 33246818 DOI: 10.1016/j.jhazmat.2020.124544] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 10/28/2020] [Accepted: 11/09/2020] [Indexed: 06/12/2023]
Abstract
The development of multi-responsive chemosensors has a bright application prospect in environmental monitoring and biological diagnosis. In this paper, we report two kinds of fluorescent polyaniline-like derivatives containing of carbazole or fluorene moieties with two-dimensional (2D) nano-layered structure and their applications in the detection of Al3+, Fe3+, Cu2+ and HCl in different environments. Through the analysis of the structure and properties of these two 2D materials, we find that the prepared (Poly(9,9'-(9,9-dihexyl-9H-fluorene-2,7-diyl)bis(9H-carbazol-3-amine))) PDFCA material performs excellent sensing properties for above analytes. Relevant density functional theory (DFT) calculation further confirms the potential application of 2D nano-layered PDFCA material in sensing field. This study presents that 2D nano-layered PDFCA material is considerably competitive in the development of multi-responsive chemosensors, and it will greatly accelerate the research of 2D polymer materials.
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Affiliation(s)
- Junning Qian
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People's Republic of China
| | - Qingyi Lu
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People's Republic of China
| | - Feng Xu
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People's Republic of China
| | - Ling Chen
- Hubei Institute of Quality Supervision and Inspection, Wuhan 430072, People's Republic of China
| | - Jiangbin Xia
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People's Republic of China; Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People's Republic of China.
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29
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Yang Y, Chen P, Liu Y, Cai Z, Wang X, Me Y, Ding X, Lin L, Jiang H, Zhang Z, Ju Y. A colorimetric indicator-displacement assay based on stable Cu 2+ selective carbon dots for fluorescence turn-on detection of pyrophosphate anions in urine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 251:119479. [PMID: 33503563 DOI: 10.1016/j.saa.2021.119479] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/01/2021] [Accepted: 01/10/2021] [Indexed: 06/12/2023]
Abstract
Determination of PPi levels in urine represents a measurable factor for diagnostic, treatment, and monitoring of urolithiasis. Owing to the quenching ability of Cu2+ on fluorescent carbon dots (CDs) and strong binding affinity between Cu2+ and PPi, we develop a new off-on assay for PPi detection using newly BPHA CDs (BPHA: N,N-bis(pyridin-2-ylmethyl)hexan-1-amine). The fluorescence intensity of BPHA CDs was significantly quenched by Cu2+ ("off") through forming BPHA CDs/Cu2+ complexes and the fluorescence intensity of BPHA CDs /Cu2+ system was completely resumed by PPi ("on") owing to the release of free Cu2+. The fluorescence turn-off/on approach showed a highly selective response to PPi over the large family of other anions. The detection limits were 0.094 μM for Cu2+ and 0.025 μM for PPi, respectively. A wide linear range for PPi was up to 4400 μM. The indicator displacement assay (IDAs) using pyrocatechol violet (PV) as a colorimetric indicator was carried out to detect PPi with the naked eyes. The "off-on" fluorescent sensor based on BPHA CDs shows many merits, including convenient operation, cost-saving, high sensitivity, selectivity, stability and wide detecting range, which is applied to PPi detection in human urine sample.
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Affiliation(s)
- Yi Yang
- Changzhou Vocational Institute of Engineering, Changzhou 213164, China
| | - Pei Chen
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China; West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yuqing Liu
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China; School of Medicine, Xiamen University, Xiamen 361005, China
| | - Zheng Cai
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Xiyao Wang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yang Me
- The First affiliated Hospital, Nanjing Medical University, Nanjing 211166, China
| | - Xiongyu Ding
- The First affiliated Hospital, Nanjing Medical University, Nanjing 211166, China
| | - Lan Lin
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Huijun Jiang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Zhenqin Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yichun Ju
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.
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Zhang S, Lu Z, Li S, Wang T, Li J, Chen M, Chen S, Sun M, Wang Y, Rao H, Liu T. Portable smartphone device-based multi-signal sensing system for on-site and visual determination of alkaline phosphatase in human serum. Mikrochim Acta 2021; 188:157. [PMID: 33825047 DOI: 10.1007/s00604-021-04803-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/20/2021] [Indexed: 02/08/2023]
Abstract
To provide the basis for clinical diagnosis in an emergency case, a portable smartphone device-based multi-signal sensing system for on-site determination of alkaline phosphatase (ALP) is introduced. In this system, cobalt hydroxide (CoOOH) nanoflakes can oxidize O-phenylenediamine (OPD) to produce 2,3-diaminophenazine (OxOPD), resulting in a strong fluorescence at 565 nm and an absorbance at 420 nm, respectively. The ascorbic acid 2-phosphate (AAP) can be hydrolyzed by alkaline phosphatase (ALP) to yield ascorbic acid (AA). Then, AA reduces the CoOOH nanoflakes to produce Co2+, and AA is oxidized to form dehydroascorbic acid (DHAA), thereby inhibiting the formation of OxOPD. The reaction product DHAA further combines with OPD to yield 3-(1,2-dihydroxyethyl)furo[3,4-b]quinoxalin-1(3H)-one (DFQ) accompanied by a strong fluorescence at 430 nm. Based on this, the fluorometric assay for ALP has a wide linear range from 0.8 to 190 U/L with a low detection limit of 0.16 U/L, and the colorimetric assay from 3 to 130 U/L with a detection limit of 1.94 U/L. Moreover, a portable smartphone sensing platform integrated with fluorescent and colorimetric signals was established for rapid determination of ALP without spectrometers. Recoveries of 97-104% for spiked samples and relative standard deviations (RSD) of less than 2% (n = 3) confirmed the feasibility of the developed platform in complicated samples, opening up new horizons for on-site evaluation in the biomedical field.
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Affiliation(s)
- Shuxin Zhang
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China
| | - Zhiwei Lu
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China
| | - Suying Li
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China
| | - Tanke Wang
- College of Information Engineering, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China
| | - Jian Li
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China
| | - Maoting Chen
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China
| | - Suru Chen
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China
| | - Mengmeng Sun
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China
| | - Yanying Wang
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China
| | - Hanbing Rao
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China.
| | - Tao Liu
- College of Information Engineering, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an, 625014, People's Republic of China.
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Rossini EL, Milani MI, Lima LS, Pezza HR. Paper microfluidic device using carbon dots to detect glucose and lactate in saliva samples. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 248:119285. [PMID: 33310613 DOI: 10.1016/j.saa.2020.119285] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 11/23/2020] [Accepted: 11/23/2020] [Indexed: 06/12/2023]
Abstract
Bioanalyses are commonly performed with blood or serum samples. However, these analyses often require invasive and painful blood collection using a needle or finger pricking. Saliva is an alternative and very attractive biological medium for performing clinical analyses, since it contains many types of clinically relevant biomarkers and compounds. Its collection is straightforward and can be achieved in a non-invasive and stress-free way. However, the analytes are frequently present at low concentrations, while the viscosity of whole saliva hinders its analysis using paper devices, especially those with multiple layers (3D-μPADs). This work explores the use of a simple, fast, and low-cost saliva sample pretreatment using a cotton-paper-syringe filtration system, allowing the analysis of saliva samples using multilayer paper devices. The proposed methodology employs the oxidation of glucose and lactate, catalyzed by specific oxidase enzymes, producing hydrogen peroxide. The detection is based on the fluorescence quenching of carbon dots in the presence of hydrogen peroxidase. The concentrations of the analytes showed good linear correlations with the fluorescence quenching, with LODs of 2.60 × 10-6 and 8.14 × 10-7 mol L-1 for glucose and lactate, respectively. The proposed method presented satisfactory intra-day and inter-day repeatabilities, with %RSD values in the range 3.82-6.61%. The enzymatic systems proved to be specific for the analytes and the matrix had no significant influence on the glucose and lactate determinations. The proposed methodology was successfully applied to saliva and serum samples and was validated using certified material.
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Affiliation(s)
- Eduardo Luiz Rossini
- Instituto de Química, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, Rua Prof. Francisco Degni 55, C.P. 355, 14800-900 Araraquara, SP, Brazil.
| | - Maria Izabel Milani
- Instituto de Química, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, Rua Prof. Francisco Degni 55, C.P. 355, 14800-900 Araraquara, SP, Brazil
| | - Liliane Spazzapam Lima
- Instituto de Química, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, Rua Prof. Francisco Degni 55, C.P. 355, 14800-900 Araraquara, SP, Brazil
| | - Helena Redigolo Pezza
- Instituto de Química, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, Rua Prof. Francisco Degni 55, C.P. 355, 14800-900 Araraquara, SP, Brazil
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Wang T, Luo H, Jing X, Yang J, Huo M, Wang Y. Synthesis of Fluorescent Carbon Dots and Their Application in Ascorbic Acid Detection. Molecules 2021; 26:1246. [PMID: 33669142 PMCID: PMC7956759 DOI: 10.3390/molecules26051246] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/21/2021] [Accepted: 02/22/2021] [Indexed: 11/16/2022] Open
Abstract
Water-soluble fluorescent carbon dots (CDs) were synthesized by a hydrothermal method using citric acid as the carbon source and ethylenediamine as the nitrogen source. The repeated and scale-up synthetic experiments were carried out to explore the feasibility of macroscopic preparation of CDs. The CDs/Fe3+ composite was prepared by the interaction of the CDs solution and Fe3+ solution. The optical properties, pH dependence and stability behavior of CDs or the CDs/Fe3+ composite were studied by ultraviolet spectroscopy and fluorescence spectroscopy. Following the principles of fluorescence quenching after the addition of Fe3+ and then the fluorescence recovery after the addition of asorbic acid, the fluorescence intensity of the carbon dots was measured at λex = 360 nm, λem = 460 nm. The content of ascorbic acid was calculated by quantitative analysis of the changing fluorescence intensity. The CDs/Fe3+ composite was applied to the determination of different active molecules, and it was found that the composite had specific recognition of ascorbic acid and showed an excellent linear relationship in 5.0-350.0 μmol·L-1. Moreover, the detection limit was 3.11 μmol·L-1. Satisfactory results were achieved when the method was applied to the ascorbic acid determination in jujube fruit. The fluorescent carbon dots composites prepared in this study may have broad application prospects in a rapid, sensitive and trace determination of ascorbic acid content during food processing.
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Affiliation(s)
- Tengfei Wang
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China; (T.W.); (H.L.); (X.J.); (J.Y.)
| | - Hui Luo
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China; (T.W.); (H.L.); (X.J.); (J.Y.)
| | - Xu Jing
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China; (T.W.); (H.L.); (X.J.); (J.Y.)
| | - Jiali Yang
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China; (T.W.); (H.L.); (X.J.); (J.Y.)
| | - Meijun Huo
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Yu Wang
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu 030801, Shanxi, China; (T.W.); (H.L.); (X.J.); (J.Y.)
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33
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Advances of Carbon Quantum Dots for Fluorescence Turn-On Detection of Reductive Small Biomolecules. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2021. [DOI: 10.1016/s1872-2040(20)60070-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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34
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Wang H, Wang X, Kong RM, Xia L, Qu F. Metal-organic framework as a multi-component sensor for detection of Fe3+, ascorbic acid and acid phosphatase. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.10.017] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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35
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Han Y, Quan K, Chen J, Qiu H. Advances and prospects on acid phosphatase biosensor. Biosens Bioelectron 2020; 170:112671. [DOI: 10.1016/j.bios.2020.112671] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/21/2020] [Accepted: 09/30/2020] [Indexed: 02/01/2023]
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36
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YUE XY, ZHOU ZJ, WU YM, LI Y, LI JC, BAI YH, WANG JL. Application Progress of Fluorescent Carbon Quantum Dots in Food Analysis. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1016/s1872-2040(20)60049-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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37
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Smartphone colorimetric assay of acid phosphatase based on a controlled iodine-mediated etching of gold nanorods. Anal Bioanal Chem 2020; 412:8051-8059. [PMID: 33001243 DOI: 10.1007/s00216-020-02954-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/20/2020] [Accepted: 09/14/2020] [Indexed: 12/11/2022]
Abstract
A simple but efficient colorimetric assay was developed for the detection and quantification of acid phosphatase (ACP) using a smartphone. This strategy is based on target-controlled iodine-mediated etching of gold nanorods (AuNRs). Due to effective hydrolysis of the substrate pyrophosphate (PPi) by ACP, chelated Cu2+ with PPi was released, which promoted the redox reaction with an iodide ion (I-), leading to the formation of I3-. As the etching agent of AuNRs, I3- caused a blueshift of the localized surface plasmon resonance peak and, more importantly, an observable color change. The vivid colors were recorded with a smartphone camera and directly analyzed using an image-processing app. On the basis of the direct correlation between ACP concentration and the etching degree of AuNRs as well as color change, this smartphone nanocolorimetry technique showed a good linear response toward ACP over the range of 0-15.0 U/L, with a detection limit of 0.97 U/L. Using the standard addition method, the practical applicability of the proposed smartphone-based assay was successfully demonstrated by determining ACP in human serum samples, with results consistent with those obtained by UV-Vis spectrophotometry.
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38
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Li C, Wang YT, Chen Y, Wang Y. Hyperbranched Poly(amido amine) Entrapped Tetraphenylethene as a Fluorescence Probe for Sequential Quadruple-Target Detection and Its Potential as a Chemical Logic Gate. Anal Chem 2020; 92:9755-9763. [PMID: 32575978 DOI: 10.1021/acs.analchem.0c01155] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Fluorescence sensors exhibit great potential as molecular logic gates to perform computation on a nanometer scale. For achieving the more complex artificial intelligence activities, developing complex logic gates using multitarget sensing systems with multi-input characteristics is highly desirable. Herein, a water-soluble quadruple-target fluorescence sensor that embeds a small amount (4.1 wt %) of tetraphenylethene (TPE) units into hyperbranched poly(amido amine) (TPE-HPA) has been designed. The nonfluorescent TPE-HPA could experience the fluorescence "off-on-off-on-off" by sequential addition of sodium hexametaphosphate (SHMP), Fe3+, ascorbic acid (AA), and H2O2. The as-prepared quadruple-target sensor showed good sensitivity and selectivity to SHMP, Fe3+, AA, and H2O2, and the limit of detection values were 29 nM, 20 nM, 0.66 μM, and 0.78 μM, respectively. On the basis of the multitarget sensing nature of TPE-HPA, chemical or electrochemical-induced logic gates were constructed, including YES, NOT, OR, NOR, NAND, INHIBIT, IMP, and higher logic systems.
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Affiliation(s)
- Cheng Li
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, People's Republic of China
| | - Yi-Ting Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, People's Republic of China
| | - Yu Chen
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, People's Republic of China.,Tianjin Engineering Technology Center of Chemical Wastewater Source Reduction and Recycling, School of Science, Tianjin Chengjian University, Tianjin 300384, People's Republic of China
| | - Yong Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, People's Republic of China
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Zhou Y, Zhang G, Xu T, Wu Y, Dong C, Shuang S. Silk Fibroin-Confined Star-Shaped Decahedral Silver Nanoparticles as Fluorescent Probe for Detection of Cu 2+ and Pyrophosphate. ACS Biomater Sci Eng 2020; 6:2770-2777. [PMID: 33463305 DOI: 10.1021/acsbiomaterials.9b01862] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A green, one-step method for the fabrication of silk fibroin (SF) protected silver decahedral nanoparticles (SF@AgNPs) has been developed. High-resolution transmission electron microscopy characterization demonstrated that the silver decahedral nanoparticles can provide more binding sites with (111) facets. Moreover, a facile strategy based on Cu2+ mediated SF@AgNPs was reported as an on-off-on fluorescent system for the detection of Cu2+, and the SF@AgNPs can be also used for the determination of pyrophosphate ion (P2O74-, PPi). The fluorescence of SF@AgNPs was quenched by Cu2+ as a complex formed between SF and Cu2+ and was restored when PPi was introduced into the system due to the higher binding affinity between PPi and Cu2+. Herein, a novel SF@AgNPs-Cu2+ fluorescent probe for Cu2+ and PPi detection is presented. The proposed assay shows a linear relationship at a Cu2+ concentration range from 1 to 6 μM with a detection limit of 33.3 nM. This simple, reliable, selective, and environmentally friendly fluorescent probe also has a wide concentration range from 100 to 700 μM with a detection limit of 6.7 μM for PPi. The 16 types of anions lead to negligible changes in the SF@AgNPs-Cu2+ complexes, while restoring the fluorescence intensity of the complexes when added with PPi. Additionally, it is demonstrated that the SF@AgNPs-based fluorescent assay works in real biological samples. It suggests that this proposed method has the potential for application in the clinical detection of Cu2+ and PPi.
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Affiliation(s)
- Ying Zhou
- School of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Guomei Zhang
- School of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Ting Xu
- School of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Yuzhou Wu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Chuan Dong
- School of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Shaomin Shuang
- School of Chemistry and Chemical Engineering, Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
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40
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Wang J, Lu Q, Weng C, Li X, Yan X, Yang W, Li B, Zhou X. Label-Free Colorimetric Detection of Acid Phosphatase and Screening of Its Inhibitors Based on Biomimetic Oxidase Activity of MnO2 Nanosheets. ACS Biomater Sci Eng 2020; 6:3132-3138. [DOI: 10.1021/acsbiomaterials.0c00217] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Jing Wang
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Qiaoyun Lu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Chenyuan Weng
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Xiaoyun Li
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Xiaoqiang Yan
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Wei Yang
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Bingzhi Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Xuemin Zhou
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
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41
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Zhang W, Li N, Chang Q, Chen Z, Hu S. Making a cup of carbon dots for ratiometric and colorimetric fluorescent detection of Cu2+ ions. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124233] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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42
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Wang Q, Ma X, Lv H, Wei A, Wu T, Ding L, Ma X, Ma C. MnO 2 nanoparticle mediated colorimetric turn-off determination of ascorbic acid. NEW J CHEM 2020. [DOI: 10.1039/c9nj05751j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The scheme of the turn-off colorimetric response of AA to the TMB–MnO2 NP system.
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Affiliation(s)
- Qi Wang
- Chemistry & Chemical Engineering Department
- Taiyuan Institute of Technology
- Taiyuan
- P. R. China
| | - Xulu Ma
- Chemistry & Chemical Engineering Department
- Taiyuan Institute of Technology
- Taiyuan
- P. R. China
| | - Houhua Lv
- Chemistry & Chemical Engineering Department
- Taiyuan Institute of Technology
- Taiyuan
- P. R. China
| | - Awen Wei
- Chemistry & Chemical Engineering Department
- Taiyuan Institute of Technology
- Taiyuan
- P. R. China
| | - Tingxuan Wu
- Chemistry & Chemical Engineering Department
- Taiyuan Institute of Technology
- Taiyuan
- P. R. China
| | - Lifeng Ding
- Chemistry & Chemical Engineering Department
- Taiyuan Institute of Technology
- Taiyuan
- P. R. China
| | - Xiang Ma
- Chemistry & Chemical Engineering Department
- Taiyuan Institute of Technology
- Taiyuan
- P. R. China
| | - Chunlei Ma
- Chemistry & Chemical Engineering Department
- Taiyuan Institute of Technology
- Taiyuan
- P. R. China
| |
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