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Hou X, Ga L, Zhang X, Ai J. Advances in the application of logic gates in nanozymes. Anal Bioanal Chem 2024:10.1007/s00216-024-05240-w. [PMID: 38488951 DOI: 10.1007/s00216-024-05240-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 03/17/2024]
Abstract
Nanozymes are a class of nanomaterials with biocatalytic function and enzyme-like activity, whose advantages include high stability, low cost, and mass production. They can catalyze the substrates of natural enzymes based on specific nanostructures and serve as substitutes for natural enzymes. Their applied research involves a wide range of fields such as biomedicine, environmental governance, agriculture, and food. Molecular logic gates are a new cross-disciplinary discipline, which can simulate the function of silicon circuits on a molecular scale, perform single or multiple input logic operations, and generate logic outputs. A molecular logic gate is a binary operation that converts an input signal into an output signal according to the rules of Boolean logic, generating two signals, a high level, and a low level. The high and low levels represent the "true" and "false" values of the logic gates, and their outputs correspond to "l" and "0" of the molecular logic gates, respectively. The combination of nanozymes and logic gates is a novel and attractive research direction, and the cross-application of the two brings new opportunities and ideas for various fields, such as the construction of efficient biocomputers, intelligent drug delivery systems, and the precise diagnosis of diseases. This review describes the application of logic gates based on nanozymes, which is expected to provide a certain theoretical foundation for researchers' subsequent studies.
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Affiliation(s)
- Xiangru Hou
- College of Chemistry and Enviromental Science, Inner Mongolia Key Laboratory of Environmental Chemistry, Inner Mongolia Normal University, 81 zhaowudalu, Hohhot, 010022, China
| | - Lu Ga
- College of Pharmacy, Inner Mongolia Medical University, Jinchuankaifaqu, Hohhot, 010110, China
| | - Xin Zhang
- College of Chemical Engineering, Inner Mongolia University of Technology, 49 Aimin Road, Hohhot, 010051, China.
| | - Jun Ai
- College of Chemistry and Enviromental Science, Inner Mongolia Key Laboratory of Environmental Chemistry, Inner Mongolia Normal University, 81 zhaowudalu, Hohhot, 010022, China.
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2
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Ma L, Ma C, Chen G, Gu J, Yang T, Li L, Gao H, Xiong Y, Wu Y, Zhu C, Zhou Y, Hu A, Chen K, Liu Z. Nitrogen and Sulfur co-doped Carbon dots as an "on-off-on" Fluorescent Sensor for the Detection of Hg 2+ and Ampicillin. J Fluoresc 2024:10.1007/s10895-024-03656-2. [PMID: 38457076 DOI: 10.1007/s10895-024-03656-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 03/01/2024] [Indexed: 03/09/2024]
Abstract
Herein, a fluorescent "on-off-on" nanosensor based on N,S-CDs was developed for highly precise and sensitive recognition of Hg2+ and ampicillin (AMP). Nitrogen and sulfur co-doped carbon dots with blue fluorescence were synthesized by one-pot hydrothermal method using ammonium citrate and DL-methionine as precursors. N,S-CDs exhibited a surface abundant in -OH, -COOH, and -NH2 groups, aiding in creating non-fluorescent ground state complexes when combined with Hg2+, leading to the suppression of N,S-CDs' fluorescence. Subsequent to additional AMP application, the mixed system's fluorescence was restored. Based on this N,S-CDs sensing system, the thresholds for detection for AMP and Hg2+ were discovered to be 0.121 µM and 0.493 µM, respectively. Furthermore, this methodology proved effective in identifying AMP in real samples of tap and lake water, yielding satisfactory results. Consequently, in the area of bioanalysis in intricate environmental sample work, the sensing system showed tremendous promise.
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Affiliation(s)
- LongYao Ma
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - ChaoQun Ma
- School of Science, Jiangnan University, Wuxi, 214122, China.
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China.
| | - GuoQing Chen
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Jiao Gu
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Taiqun Yang
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Lei Li
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Hui Gao
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Yi Xiong
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Yamin Wu
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Chun Zhu
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Yan Zhou
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Anqi Hu
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - Kun Chen
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
| | - ZhaoChen Liu
- School of Science, Jiangnan University, Wuxi, 214122, China
- Jiangsu Provincial Research Center of Light Industrial optoelectronic engineering and Technology, Wuxi, 214122, China
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3
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Maity S, Modak MD, Tomar MS, Wasnik K, Gupta PS, Patra S, Pareek D, Singh M, Pandey M, Paik P. Facile cost-effective green synthesis of carbon dots: selective detection of biologically relevant metal ions and synergetic efficiency for treatment of cancer. Biomed Mater 2024; 19:025043. [PMID: 38364283 DOI: 10.1088/1748-605x/ad2a3c] [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: 09/20/2023] [Accepted: 02/16/2024] [Indexed: 02/18/2024]
Abstract
A facile cost-effective green synthesis approach has been used to synthesize carbon-dot (CDs) from the Kernel part of theAzadirachta Indicaseeds and investigated their fluorescent and metal ions sensing capability and also used for the delivery of drugs. Metallic ions such as Ca2+, K+, Na+, Fe3+,and Zn2+which are biologically important for many reactions and are selectively detected through the novel CDs. The resultant dot size of CDs (∼4 nm) is useful to eliminate the 'Achilles heel' problems, which is associated with the Zn2+in the body and its detection is a very challenging task. It is found that the sensitivity of CDs for the detection of Zn2+can be regulated by using different solvents. These CDs can also be used as a sensing probe for the selective detection of Fe3+at a very low concentration of solution (∼5 μM). The synthesis method of CDs reported here is cost-effective, very fast and it is highly selective towards Fe3+and Zn2+. Due to the fast response capability of these CDs, logic gate operation is achieved and it provides a new understanding to construct potential next-generation molecular devices for the detection of different biomolecules with high selectivity. Additionally, these CDs are biocompatible against normal healthy cells, capable of loading small biomolecules and drugs due to their porous nature, and exhibited potential impact for breast cancer therapy. It is observed that a significant synergic therapeutic effect of CDs loaded with doxorubicin against breast cancer cells is very promising. Thus, the CDs reported herein in this work have been synthesized through a green synthesis approach and can be used as a molecular probe for the detection of metal ions as well as for drug delivery applications.
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Affiliation(s)
- Somedutta Maity
- School of Engineering Sciences and Technology, University of Hyderabad, Hyderabad 500 046, Telangana, India
| | - Monami Das Modak
- School of Engineering Sciences and Technology, University of Hyderabad, Hyderabad 500 046, Telangana, India
| | - Munendra Singh Tomar
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, Anschutz Medical Campus, Aurora, CO 80045, United States of America
| | - Kirti Wasnik
- School of Biomedical Engineering, Indian Institute of Technology (BHU), Varanasi 221 005, UP, India
| | - Prem Shankar Gupta
- School of Biomedical Engineering, Indian Institute of Technology (BHU), Varanasi 221 005, UP, India
| | - Sukanya Patra
- School of Biomedical Engineering, Indian Institute of Technology (BHU), Varanasi 221 005, UP, India
| | - Divya Pareek
- School of Biomedical Engineering, Indian Institute of Technology (BHU), Varanasi 221 005, UP, India
| | - Monika Singh
- School of Biomedical Engineering, Indian Institute of Technology (BHU), Varanasi 221 005, UP, India
| | - Monica Pandey
- School of Biomedical Engineering, Indian Institute of Technology (BHU), Varanasi 221 005, UP, India
| | - Pradip Paik
- School of Biomedical Engineering, Indian Institute of Technology (BHU), Varanasi 221 005, UP, India
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4
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Chi J, Song Y, Feng L. A ratiometric fluorescent paper sensor based on dye-embedded MOF for high-sensitive detection of arginine. Biosens Bioelectron 2023; 241:115666. [PMID: 37690353 DOI: 10.1016/j.bios.2023.115666] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/23/2023] [Accepted: 09/02/2023] [Indexed: 09/12/2023]
Abstract
Ratiometric fluorescent sensors can suppress the interference of factors unrelated to analysis due to their built-in self-calibration characteristics, which exhibit higher sensitivity and more obvious visual detection in the process of qualitative and quantitative analysis. Herein, we constructed a ratiometric fluorescence probe based on fluorescent/colorimetric dual-mode method for the determination of arginine by encapsulating rhodamine B in-situ into UiO-66-NH2 MOFs (UiO-66-NH2@RhB). The as-prepared probe showed dual-emission characteristics under a single excitation wavelength. The fluorescence intensity of UiO-66-NH2 was increased significantly by arginine, while the emission peak intensity of rhodamine B remained stable, resulting in a single-signal response with fixed reference. Furthermore, the practicality of the presented sensor was successfully validated by quantitative detection of arginine in human serum. More significantly, paper-based sensors for arginine detection were devised by using carboxymethyl cellulose modified filter papers. Under the irradiation of ultraviolet light, the paper-based sensors would produce obvious color variation from lightpink to bluish violet. This work provided a convenient and efficient method for on-site detection of arginine.
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Affiliation(s)
- Jie Chi
- College of Sciences, Northeastern University, Shenyang, 110819, China; Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
| | - Yanyan Song
- College of Sciences, Northeastern University, Shenyang, 110819, China.
| | - Liang Feng
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China.
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5
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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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6
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Liu X, Shi T, Xu C, Zhu M, Wang Y. A highly selective and sensitive ICT-based Cu 2+ fluorescent probe and its application in bioimaging. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 262:115127. [PMID: 37320915 DOI: 10.1016/j.ecoenv.2023.115127] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/05/2023] [Accepted: 06/08/2023] [Indexed: 06/17/2023]
Abstract
Cu2+ is an essential trace element for the organism, but its excess can also cause irreversible damage to the organism. As such, a "Turn-Off" fluorescent probe DPAP for the specific detection of Cu2+ was successfully constructed. DPAP exhibits large Stokes shift (120 nm), fast reaction speed (1 min), low detection limit (15.2 nM), low toxicity, and good cell permeability. Cu2+ quenches the fluorescence of DPAP by blocking its intramolecular charge transfer process to achieve the detection of Cu2+ and has been confirmed by HRMS, 1H NMR and DFT calculations. Excitingly, the five-cycle detection of Cu2+ and the successful recovery of trace Cu2+ in environmental water samples fully demonstrate the potential of DPAP for practical applications. In particular, DPAP can observe the distribution and translocation patterns of exogenous Cu2+ in HeLa cells and zebrafish in real-time. This research concept has offered important theoretical support for the study of the environmental behavior of heavy metal ions.
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Affiliation(s)
- Xina Liu
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Taozhong Shi
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Chenyang Xu
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Meiqing Zhu
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, China.
| | - Yi Wang
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China.
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7
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Peng L, Guo H, Wu N, Liu B, Wang M, Tian J, Ren B, Yu Z, Yang W. Rapid detection of the biomarker for cystinuria by a metal-organic framework fluorescent sensor. Talanta 2023; 262:124715. [PMID: 37245430 DOI: 10.1016/j.talanta.2023.124715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 05/30/2023]
Abstract
Arginine (Arg) is considered a valuable biomarker for various diseases, including cystinuria, and its concentration level holds significant implications for human health. To achieve the purposes of food evaluation and clinical diagnosis, it is imperative to develop a rapid and facile method for selective and sensitive determination of Arg. In this work, a novel fluorescent material (Ag/Eu/CDs@UiO-66) was synthesized by encapsulating carbon dots (CDs), Eu3+ and Ag + into UiO-66. This material can serve as a ratiometric fluorescent probe for detecting Arg. It exhibits a high sensitivity with a detection limit of 0.74 μM and a relatively broad linear range from 0-300 μM. After dispersing the composite Ag/Eu/CDs@UiO-66 in an Arg solution, the red emission of Eu3+ center at 613 nm was significantly enhanced, while the characteristic peak of CDs center at 440 nm remained unchanged. Therefore, a ratio fluorescence probe could be constructed based on the peak height ratio of the two emission peaks to achieve selective detection of Arg. In addition, the remarkable ratiometric luminescence response induced by Arg results in a significant color transition from blue to red under UV-lamp for Ag/Eu/CDs@UiO-66, which was convenient for visual analysis.
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Affiliation(s)
- Liping Peng
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, PR China
| | - Hao Guo
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, PR China.
| | - Ning Wu
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, PR China
| | - Bingqing Liu
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, PR China
| | - Mingyue Wang
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, PR China
| | - Jiaying Tian
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, PR China
| | - Borong Ren
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, PR China
| | - Zhiguo Yu
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, PR China
| | - Wu Yang
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province; College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, PR China.
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Meng Y, Guo Q, Xu H, Jiao Y, Liu Y, Shuang S, Dong C. Strategy to synthesize long-wavelength emission carbon dots and their multifunctional application for pH variation and arginine sensing and bioimaging. Talanta 2023; 254:124180. [PMID: 36535213 DOI: 10.1016/j.talanta.2022.124180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/25/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022]
Abstract
In this work, we designed N and S co-doped carbon dots (N,S-CDs) with long-wavelength emission and their multifunctional application in pH variation, arginine (Arg) sensing, bioimaging in living cells and zebrafish, and fluorescent materials. The N,S-CDs with excitation wavelength-dependent properties were prepared using neutral red (NR) and dl-methionine (DL-Met) as raw materials by one-pot hydrothermal strategy. The N,S-CDs exhibited a unique pH-sensitive luminescence trait within pH range of 3.2-11.0 and have great linear relationship of 4.8-8.0, which indicating their potential application as an imaging reagent in physiological environments. Arg can quench the PL of N,S-CDs due to static quenching. (SQ). The linear range is 2.5-62.5 μM and the LOD is calculated as 0.68 μM. Furthermore, the as-proposed N,S-CDs can be applied as imaging reagents for monitoring of pH and Arg in vivo and vitro owing to outstanding biocompatibility and low cytotoxicity. Interestingly, the N,S-CDs were also used in fluorescent composite films and phosphors owing to exceptional optical properties. All these results indicate that the N,S-CDs have huge potentiality in the areas of fluorescence sensing, bioimaging and fluorescent materials.
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Affiliation(s)
- Yating Meng
- Institute of Environmental Science, And School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Qiaozhi Guo
- Institute of Environmental Science, And School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Hongmei Xu
- Institute of Environmental Science, And School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Yuan Jiao
- College of Environmental Science and Engineering, Taiyuan University of Technology, Jinzhong, 030600, China
| | - Yang Liu
- Institute of Environmental Science, And School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Shaomin Shuang
- Institute of Environmental Science, And School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Chuan Dong
- Institute of Environmental Science, And School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China.
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9
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Wei S, Shi X, Wang C, Zhang H, Jiang C, Sun G, Jiang C. Facile synthesis of nitrogen-doped carbon dots as sensitive fluorescence probes for selective recognition of cinnamaldehyde and l-Arginine/l-Lysine in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 287:122039. [PMID: 36410179 DOI: 10.1016/j.saa.2022.122039] [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: 07/17/2022] [Revised: 09/22/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
The disorder of amino acid metabolism and the abuse of small molecule drugs pose serious threats to public health. However, due to the limitations of existing detection technologies in sensing cinnamaldehyde (CAL) and l-Arginine/l-Lysine (l-Arg/l-Lys), there is an urgent need to develop new sensing strategies to meet the severe challenges currently facing. Herein, nitrogen-doped carbon dots (N-CDs) were developed using a simple one-pot hydrothermal carbonization method. These N-CDs exhibited numerous distinctive characteristics such as excellent photoluminescence, high water dispersibility, favorable biocompatibility, and superior chemical inertness. Strikingly, the as-prepared CDs as a highly efficient fluorescent probe possessed significant sensitivity and selectivity toward CAL and l-Arg/l-Lys over other analytes with a low detection limit of 58 nM and 16 nM/18 nM, respectively. The fluorescence of N-CDs could be quenched by CAL through an electron transfer process. Then, the strong electrostatic interaction between l-Arg/l-Lys and N-CDs induced the efficient fluorescence recovery. More importantly, the outstanding biosafety and excellent analyte-responsive fluorescence characteristics of N-CDs have also been verified in living cells as well as in serum and urine. Overall, the N-CDs had a wide application prospect in the diagnosis of amino acid metabolic diseases and small molecule drug sensing.
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Affiliation(s)
- Shanshan Wei
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Xinyuan Shi
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Chenzhao Wang
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Hongyuan Zhang
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Chunzhu Jiang
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Guoying Sun
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China.
| | - Chunhuan Jiang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, PR China.
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10
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Ratre P, Nazeer N, Kumari R, Thareja S, Jain B, Tiwari R, Kamthan A, Srivastava RK, Mishra PK. Carbon-Based Fluorescent Nano-Biosensors for the Detection of Cell-Free Circulating MicroRNAs. BIOSENSORS 2023; 13:226. [PMID: 36831992 PMCID: PMC9953975 DOI: 10.3390/bios13020226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/02/2023] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
Currently, non-communicable diseases (NCDs) have emerged as potential risks for humans due to adopting a sedentary lifestyle and inaccurate diagnoses. The early detection of NCDs using point-of-care technologies significantly decreases the burden and will be poised to transform clinical intervention and healthcare provision. An imbalance in the levels of circulating cell-free microRNAs (ccf-miRNA) has manifested in NCDs, which are passively released into the bloodstream or actively produced from cells, improving the efficacy of disease screening and providing enormous sensing potential. The effective sensing of ccf-miRNA continues to be a significant technical challenge, even though sophisticated equipment is needed to analyze readouts and expression patterns. Nanomaterials have come to light as a potential solution as they provide significant advantages over other widely used diagnostic techniques to measure miRNAs. Particularly, CNDs-based fluorescence nano-biosensors are of great interest. Owing to the excellent fluorescence characteristics of CNDs, developing such sensors for ccf-microRNAs has been much more accessible. Here, we have critically examined recent advancements in fluorescence-based CNDs biosensors, including tools and techniques used for manufacturing these biosensors. Green synthesis methods for scaling up high-quality, fluorescent CNDs from a natural source are discussed. The various surface modifications that help attach biomolecules to CNDs utilizing covalent conjugation techniques for multiple applications, including self-assembly, sensing, and imaging, are analyzed. The current review will be of particular interest to researchers interested in fluorescence-based biosensors, materials chemistry, nanomedicine, and related fields, as we focus on CNDs-based nano-biosensors for ccf-miRNAs detection applications in the medical field.
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Affiliation(s)
- Pooja Ratre
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Nazim Nazeer
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Roshani Kumari
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Suresh Thareja
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda 151401, India
| | - Bulbul Jain
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Rajnarayan Tiwari
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Arunika Kamthan
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
| | - Rupesh K. Srivastava
- Department of Biotechnology, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Pradyumna Kumar Mishra
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal 462030, India
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11
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Chitosan-Based Carbon Dots with Applied Aspects: New Frontiers of International Interest in a Material of Marine Origin. Mar Drugs 2022; 20:md20120782. [PMID: 36547929 PMCID: PMC9780941 DOI: 10.3390/md20120782] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/10/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022] Open
Abstract
Carbon dots (CDs) have attracted significant research attention worldwide due to their unique properties and advantageous attributes, such as superior optical properties, biocompatibility, easy surface functionalization, and more. Moreover, biomass-derived CDs have attracted much attention because of their additional advantages related to more environmentally friendly and lower-cost synthesis. In this respect, chitosan has been recently explored for the preparation of CDs, which in comparison to other natural precursors exhibited additional advantages. Beyond the benefits related to the eco-friendly and abundant nature of chitosan, using it as a nanomaterial precursor offers additional benefits in terms of structure, morphology, and dopant elements. Furthermore, the high content of nitrogen in chitosan allows it to be used as a single carbon and nitrogen precursor for the preparation of N-doped CDs, significantly improving their fluorescent properties and, therefore, their performances. This review addresses the most recent advances in chitosan-based CDs with a special focus on synthesis methods, enhanced properties, and their applications in different fields, including biomedicine, the environment, and food packaging. Finally, this work also addresses the key challenges to be overcome to propose future perspectives and research to unlock their great potential for practical applications.
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12
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Chopra T, Sasan S, Devi L, Parkesh R, Kapoor KK. A comprehensive review on recent advances in copper sensors. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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13
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Hou MJ, Wang ZQ, Chen JT, Tan ZK, Mao GJ, Fei J, Li CY. A Dual-Channel Fluorescent Nanoprobe for Sequential Detection of ATP and Peroxynitrite to Accurately Distinguish between Normal Cells and Cancer Cells. Anal Chem 2022; 94:14257-14264. [DOI: 10.1021/acs.analchem.2c02580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mei-Jia Hou
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Zhi-Qing Wang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Jun-Tao Chen
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Zhi-Ke Tan
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Guo-Jiang Mao
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, PR China
| | - Junjie Fei
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Chun-Yan Li
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
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14
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Song L, Yang B, Fan X, Mao Y, Shan H, Wang J, Niu K, Hao Z, Zeng Z, Li Y, Zhao A, Lin H, Chi L, Li Q. Intra- and Inter-Self-Assembly of Identical Supramolecules on Silver Surfaces. J Phys Chem Lett 2022; 13:8902-8907. [PMID: 36126251 DOI: 10.1021/acs.jpclett.2c02501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Self-assembly of identical organometallic supramolecules into ordered superstructures is of great interest in both chemical science and nanotechnology due to its potential to generate neoteric properties through collective effects. In this work, we demonstrate that large-scale self-organization of atomically precise organometallic supramolecules can be achieved through cascaded on-surface chemical reactions, by the combination of intra- and inter-supramolecular interactions. Supramolecules with defined size and shape are first built through intramolecular reaction and intermolecular metal coordination, followed by the formation of well-ordered two-dimensional arrays with the assistance of Br atoms by -C-H···Br interactions. The mechanism of this process has been investigated from the perspectives of thermodynamics and kinetics.
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Affiliation(s)
- Luying Song
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Biao Yang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
| | - Xing Fan
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
| | - Yahui Mao
- Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Huan Shan
- Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Junbo Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Kaifeng Niu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
- Department of Physics, Chemistry and Biology, Linköping University, Linköping 58183, Sweden
| | - Zhengming Hao
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
| | - Zhiwen Zeng
- National Synchrotron Radiation Laboratory, Department of Chemical Physics and Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230029, P. R. China
| | - Youyong Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
| | - Aidi Zhao
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
- Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Haiping Lin
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Lifeng Chi
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China
| | - Qing Li
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, P. R. China
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15
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Water-Soluble Single-Benzene Chromophores: Excited State Dynamics and Fluorescence Detection. Molecules 2022; 27:molecules27175522. [PMID: 36080287 PMCID: PMC9457774 DOI: 10.3390/molecules27175522] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/24/2022] [Accepted: 08/25/2022] [Indexed: 11/17/2022] Open
Abstract
Two water-soluble single-benzene-based chromophores, 2,5-di(azetidine-1-yl)-tereph- thalic acid (DAPA) and its disodium carboxylate (DAP-Na), were conveniently obtained. Both chromophores preserved moderate quantum yields in a wide range of polar and protonic solvents. Spectroscopic studies demonstrated that DAPA exhibited red luminescence as well as large Stokes shift (>200 nm) in aqueous solutions. Femtosecond transient absorption spectra illustrated quadrupolar DAPA usually involved the formation of an intramolecular charge transfer state. Its Frank−Condon state could be rapidly relaxed to a slight symmetry-breaking state upon light excitation following the solvent relaxation, then the slight charge separation may occur and the charge localization became partially asymmetrical in polar environments. Density functional theory (DFT) calculation results were supported well with the experimental measurements. Unique pH-dependent fluorescent properties endows the two chromophores with rapid, highly selective, and sensitive responses to the amino acids in aqueous media. In detail, DAPA served as a fluorescence turn-on probe with a detection limit (DL) of 0.50 μM for Arg and with that of 0.41 μM for Lys. In contrast, DAP-Na featured bright green luminescence and showed fluorescence turn-off responses to Asp and Glu with the DLs of 0.12 μM and 0.16 μM, respectively. Meanwhile, these two simple-structure probes exhibited strong anti-interference ability towards other natural amino acids and realized visual identification of specific analytes. The present work helps to understand the photophysic−structure relationship of these kinds of compounds and render their fluorescent detection applications.
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16
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Wei S, Liu B, Shi X, Cui S, Zhang H, Lu P, Guo H, Wang B, Sun G, Jiang C. Gadolinium (III) doped carbon dots as dual-mode sensor for the recognition of dopamine hydrochloride and glutamate enantiomers with logic gate operation. Talanta 2022; 252:123865. [DOI: 10.1016/j.talanta.2022.123865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/16/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022]
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17
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Wang M, Liu M, Nong S, Song W, Zhang X, Shen S, Jian G, Chen X, Li Z, Xu L. Highly Luminescent Nucleoside-Based N, P-Doped Carbon Dots for Sensitive Detection of Ions and Bioimaging. Front Chem 2022; 10:906806. [PMID: 35747344 PMCID: PMC9210210 DOI: 10.3389/fchem.2022.906806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 04/28/2022] [Indexed: 12/28/2022] Open
Abstract
The efficient detection of Fe3+ and MnO4− in a water environment is very important and challenging due to their harmful effects on the health of humanity and environmental systems. Good biocompatibility, sensitivity, selectivity, and superior photophysical properties were important attributes of carbon dot-based CDs sensors for sensing applications. In this work, we synthesized N, P-co-doped carbon dots (N/P CDs) with guanosine 5′-monophosphate (GMP) as a green carbon source, with high fluorescence quantum yield in water (QY, 53.72%). First, the luminescent N/P CDs showed a three-state “on-off-on” fluorescence response upon the sequential addition of Fe3+ and F−, with a low detection limit of 12 nM for Fe3+ and 8.5 nM for F−, respectively. Second, the N/P CDs also exhibited desirable selectivity and sensitivity for toxic MnO4− detection with the limit of detection of 18.2 nM, through a turn-off mechanism. Moreover, the luminescent N/P CDs successfully monitored the aforementioned ions in environmental water samples and in Escherichia coli.
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Affiliation(s)
- Mengru Wang
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Mengling Liu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Shuli Nong
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Wenzhu Song
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Xianpeng Zhang
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Shuang Shen
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Guohong Jian
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Xiangyao Chen
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
| | - Zhanchao Li
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
- *Correspondence: Li Xu, ; Zhanchao Li ,
| | - Li Xu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, China
- Guangdong Pharmaceutical University−University of Hong Kong Joint Biomedical Innovation Platform, Zhongshan, China
- *Correspondence: Li Xu, ; Zhanchao Li ,
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18
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Tang H, Tang Y, Xiao M, Zhu H, Guo M. Study on Microwave Synthesis Mechanism of Carbon Dots Based on NMR Characterization. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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19
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A Facile Colorimetric Method for Ultra-rapid and Sensitive Detection of Copper Ions in Water. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02255-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Small nanoparticles bring big prospect: The synthesis, modification, photoluminescence and sensing applications of carbon dots. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.09.085] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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21
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A single carbazole based chemosensor for multiple targets: Sensing of Fe3+ and arginine by fluorimetry and its applications. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113693] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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22
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Ni J, Kong L, Tang M, Song Y, Zhao J, Wang W, Sun T, Wang Y, Wang L. Sensitive visual detection of intracellular zinc ions based on signal-on polydopamine carbon dots. NANOTECHNOLOGY 2022; 33:185502. [PMID: 35062011 DOI: 10.1088/1361-6528/ac4dc1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/21/2022] [Indexed: 06/14/2023]
Abstract
The concentration of intracellular zinc ions is a significant clinical parameter for diagnosis. However, it is still a challenge for direct visual detection of zinc ions in cells at single-cell level. To address this issue, herein, water-soluble amino-rich polydopamine carbon quantum dots (PDA-CQDs) were successfully synthesized, with strong blue-green fluorescence as the probes for zinc ions detection in cells. The structure and properties of PDA-CQDs were confirmed by transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transformed infrared (FT-IR), UV-visible spectrophotometry (UV-vis), and fluorescence spectroscopy. Importantly, by successfully linking salicylaldehyde (SA) to PDA-CQDs via nucleophilic reaction, the FL quenching and Zn ions induced FL-recovering system was built up, thus offering a signal-on platform for the detection of zinc ions. This PDA-CQDs-SA nanoprobe can be applied for the detection of Zn2+with a detection limit of 0.09μM, with good biocompatibility confirmed using cytotoxicity assay. Of significance, the results of fluorescence bioimaging showed that PDA-CQDs-SA is able to detect Zn2+in single-cell visually, with the detection limit of Zn ions in cells as low as 0.11μM per cell, which was confirmed using flow cytometry. Therefore, this work offers a potential probe for Zn2+detection in cells at single-cell level, towards the precise diagnosis of zinc ions related diseases.
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Affiliation(s)
- Jiatong Ni
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Lixiang Kong
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Minglu Tang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Yan Song
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Junge Zhao
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Wenxin Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Tiedong Sun
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Ying Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Lei Wang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China
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23
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Ratiometric fluorescence and colorimetric dual-mode sensing platform based on carbon dots for detecting copper(II) ions and D-penicillamine. Anal Bioanal Chem 2022; 414:1651-1662. [DOI: 10.1007/s00216-021-03789-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 10/27/2021] [Accepted: 11/11/2021] [Indexed: 11/01/2022]
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24
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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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25
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Gao Y, Liu Y, Zhang H, Lu W, Jiao Y, Shuang S, Dong C. One-pot synthesis of efficient multifunctional nitrogen-doped carbon dots with efficient yellow fluorescence emission for detection of hypochlorite and thiosulfate. J Mater Chem B 2022; 10:8910-8917. [DOI: 10.1039/d2tb01695h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
CD-based ratiometric fluorescence probes are of great significance for visual detection, but accomplishing this goal is still a particularly challenging task.
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Affiliation(s)
- Yifang Gao
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan, 030006, China
| | - Yang Liu
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Huilin Zhang
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Wenjing Lu
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Yuan Jiao
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan, 030006, China
| | - Shaomin Shuang
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Chuan Dong
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
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26
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Wang C, Bai FY, You ZX, Xing YH, Shi Z. Framework Materials Based on Naphthalenediimide Derivatives Supported by Aromatic Carboxylic Acids for Application as Multifunctional Fluorescence Sensors. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chen Wang
- College of Chemistry and Chemical Engineering Liaoning Normal University Huanghe Road 850# Dalian 116029 P. R. China
| | - Feng Ying Bai
- College of Chemistry and Chemical Engineering Liaoning Normal University Huanghe Road 850# Dalian 116029 P. R. China
| | - Zi Xin You
- College of Chemistry and Chemical Engineering Liaoning Normal University Huanghe Road 850# Dalian 116029 P. R. China
| | - Yong Heng Xing
- College of Chemistry and Chemical Engineering Liaoning Normal University Huanghe Road 850# Dalian 116029 P. R. China
| | - Zhan Shi
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of Chemistry Jilin University Changchun 130012 P. R. China
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27
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Effective Diagnosis of Foot-And-Mouth Disease Virus (FMDV) Serotypes O and A Based on Optical and Electrochemical Dual-Modal Detection. Biomolecules 2021; 11:biom11060841. [PMID: 34198783 PMCID: PMC8229964 DOI: 10.3390/biom11060841] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 12/31/2022] Open
Abstract
Foot-and-mouth disease virus (FMDV) is a highly contagious disease that affects cloven-hoofed animals. The traditional diagnostic methods for FMDV have several drawbacks such as cross-reactivity, low sensitivity, and low selectivity. To overcome these drawbacks, we present an optical and electrochemical dual-modal approach for the specific detection of FMDV serotypes O and A by utilizing a magnetic nanoparticle labeling technique with resorufin β-d-glucopyranoside (res-β-glc) and β-glucosidase (β-glc), without the use of typical lateral flow assay or polymerase chain reaction. FMDV serotypes O and A were reacted with pan-FMDV antibodies that recognize all seven FMDV serotypes (O, A, C, Asia 1, SAT 1, SAT 2, and SAT 3). The antigen–antibody complex was then immobilized on magnetic nanoparticles and reacted with β-glc-conjugated FMDV type O or type A antibodies. Subsequently, the addition of res-β-glc resulted in the release of fluorescent resorufin and glucose owing to catalytic hydrolysis by β-glc. The detection limit of fluorescent signals using a fluorescence spectrophotometer was estimated to be log(6.7) and log(5.9) copies/mL for FMDV type O and A, respectively, while that of electrochemical signals using a glucometer was estimated to be log(6.9) and log(6.1) copies/mL for FMDV type O and A, respectively. Compared with a commercially available lateral flow assay diagnostic kit for immunochromatographic detection of FMDV type O and A, this dual-modal detection platform offers approximately four-fold greater sensitivity. This highly sensitive and accurate dual-modal detection method can be used for effective disease diagnosis and treatment, and will find application in the early-stage diagnosis of viral diseases and next-generation diagnostic platforms.
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28
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Zhou Y, Huang X, Hu X, Tong W, Leng Y, Xiong Y. Recent advances in colorimetry/fluorimetry-based dual-modal sensing technologies. Biosens Bioelectron 2021; 190:113386. [PMID: 34119839 DOI: 10.1016/j.bios.2021.113386] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/24/2021] [Accepted: 05/27/2021] [Indexed: 12/19/2022]
Abstract
Tailored to the increasing demands for sensing technologies, the fabrication of dual-modal sensing technologies through combining two signal transduction channels into one method has been proposed and drawn considerable attention. The integration of two sensing signals not only promotes the analytical efficiency with reduced assumption, but also improves the analytical performances with enlarged detection linear range, enhanced accuracy, and boosted application flexibility. The two top-rated output signals for developing dual-modal sensors are colorimetric and fluorescent signals because of their outstanding merits for point of care applications and real-time sensitive sensing. Given the rapid development of material chemistry and nanotechnology, the recent decade has witnessed great advance in colorimetric/fluorimetric signal based dual-modal sensing technologies. The new sensing strategy leads to a broad avenue for various applications in disease diagnosis, environmental monitoring and food safety because of the complementary and synergistic effects of the two output signals. In this state-of-the-art review, we comprehensively summarize different types of colorimetric/fluorimetric dual-modal sensing methods by highlighting representative research in the last 5 years, digging into their sensing methodologies, particularly the working principles of the signal transduction systems. Then, the challenges and future prospects for boosting further development of this research field are discussed.
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Affiliation(s)
- Yaofeng Zhou
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China
| | - Xiaolin Huang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China
| | - Xinyu Hu
- School of Qianhu, Nanchang University, Nanchang, 330031, PR China
| | - Weipeng Tong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China
| | - Yuankui Leng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China.
| | - Yonghua Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China; Jiangxi-OAI Joint Research Institute, Nanchang University, Nanchang, 330047, PR China
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29
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Zhang H, Li Z, Huang H, Ouyang S, Deng Y, Zhao Q. Assaying of Cu 2+ with near-infrared l-cysteine-capped CdSeTe/CdS quantum dots and its effect on cell imaging. LUMINESCENCE 2021; 36:1513-1524. [PMID: 34048630 DOI: 10.1002/bio.4096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 05/13/2021] [Accepted: 05/15/2021] [Indexed: 11/11/2022]
Abstract
Near-infrared (NIR) core-shell CdSeTe/CdS quantum dots (QDs) modified with l-cysteine were synthesized in aqueous solution. The QDs had a special NIR-emitting spectrum, high fluorescence stability and low cytotoxicity. In addition, they exhibited an obvious fluorescence quenching when Cu2+ was present. An NIR nanosensor was prepared for rapidly, sensitively, and selectively determining Cu2+ in solution quantitatively and monitoring the changes in Cu2+ in cells with fluorescence imaging in a semiquantitative way. The linear relationship between the relative fluorescence intensity (F0 /F) and the concentration of Cu2+ from 5.12 × 10-8 M to 2.56 × 10-5 M in solution was observed using an NIR fluorescence spectrophotometer with R2 equal to 0.9958. Moreover, in the experiment with the fluorescence microscope, F0 /F versus the concentration of Cu2+ from 5.00 × 10-8 M to 7.68 × 10-6 M also showed a good linear relationship with R2 equal to 0.9817. Practical water sample ion detecting experiments had good accuracy and recovery rates. Cell experiments showed that the NIR imaging intensity of cells was inversely proportional to the concentration of copper ions, therefore NIR QDs have great potential for detection of metal ions in solution and in cells.
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Affiliation(s)
- Huan Zhang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Zhenzhen Li
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Huaying Huang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Si Ouyang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Yiqing Deng
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
| | - Qiang Zhao
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, China
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30
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Pawar S, Duadi H, Fleger Y, Fixler D. Carbon Dots-Based Logic Gates. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:232. [PMID: 33477327 PMCID: PMC7830989 DOI: 10.3390/nano11010232] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 12/11/2022]
Abstract
Carbon dots (CDs)-based logic gates are smart nanoprobes that can respond to various analytes such as metal cations, anions, amino acids, pesticides, antioxidants, etc. Most of these logic gates are based on fluorescence techniques because they are inexpensive, give an instant response, and highly sensitive. Computations based on molecular logic can lead to advancement in modern science. This review focuses on different logic functions based on the sensing abilities of CDs and their synthesis. We also discuss the sensing mechanism of these logic gates and bring different types of possible logic operations. This review envisions that CDs-based logic gates have a promising future in computing nanodevices. In addition, we cover the advancement in CDs-based logic gates with the focus of understanding the fundamentals of how CDs have the potential for performing various logic functions depending upon their different categories.
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Affiliation(s)
- Shweta Pawar
- Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel; (S.P.); (H.D.)
| | - Hamootal Duadi
- Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel; (S.P.); (H.D.)
| | - Yafit Fleger
- Bar-Ilan Institute of Nanotechnology & Advanced Materials (BINA), Bar Ilan University, Ramat Gan 5290002, Israel;
| | - Dror Fixler
- Faculty of Engineering and the Institute of Nanotechnology and Advanced Materials, Bar Ilan University, Ramat Gan 5290002, Israel; (S.P.); (H.D.)
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31
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Shi Y, Sun Y, Qu X, Zhou L, Yue T, Yuan Y. Preparation of species-specific monoclonal antibody and development of fluorescence immunoassay based on fluorescence resonance energy transfer of carbon dots for accurate and sensitive detection of Alicyclobacillus acidoterrestris in apple juice. Food Chem 2021; 347:129069. [PMID: 33493839 DOI: 10.1016/j.foodchem.2021.129069] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 12/16/2022]
Abstract
The growth and metabolism of Alicyclobacillus acidoterrestris can lead to the spoilage of commercial fruit juice. Existing methods have some drawbacks such as complex sample pretreatment, skilled technician requirement, reduced sensitivity and specificity. Herein, a novel fluorescence immunoassay was developed using a monoclonal antibody (mAb) against A. acidoterrestris as the sensing element and carbon dots (CDs) as the signal response unit. The CDs can be quenched via fluorescence resonance energy transfer (FRET) by the oxidization product of p-phenylenediamine (PPD), a chromogenic substrate of horseradish peroxidase (HRP). This approach showed enhanced accuracy and sensitivity with relatively low limit of detection (LOD) of 6.16 × 102 CFU mL-1. Moreover, apple juice contaminated with 1 CFU mL-1 of A. acidoterrestris can be identified after 24 h enrichment. This fluorescence immunoassay could serve as a powerful tool for laboratory identification and on-site inspection of A. acidoterrestris, reducing the adverse effect on the quality of fruit juice.
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Affiliation(s)
- Yiheng Shi
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Yuhan Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Xiaowei Qu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Lei Zhou
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Tianli Yue
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; College of Food Science and Techonology, Northwest University, Xi'an 710069, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China.
| | - Yahong Yuan
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China.
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32
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Tashi L, Singhaal R, Nisa ZU, Devi S, Sheikh HN. Asparagine modified downconversion NaGdF 4:Dy 3+/Tb 3+ nanophosphor for selective and sensitive detection of Cu( ii) ion. NEW J CHEM 2021. [DOI: 10.1039/d1nj02685b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Pure NaGdF4, NaGdF4:Dy3+, and Dy3+/Tb3+ co-doped NaGdF4 nanoparticles with different concentrations of Tb3+ (ranging from 3 to 20 mol%) were prepared via hydrothermal method.
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Affiliation(s)
- Lobzang Tashi
- Department of Chemistry, University of Jammu, Baba Sahib Ambedkar Road, Jammu, 180006, India
| | - Richa Singhaal
- Department of Chemistry, University of Jammu, Baba Sahib Ambedkar Road, Jammu, 180006, India
| | - Zaib ul Nisa
- Department of Chemistry, University of Jammu, Baba Sahib Ambedkar Road, Jammu, 180006, India
| | - Swaita Devi
- Department of Chemistry, University of Jammu, Baba Sahib Ambedkar Road, Jammu, 180006, India
| | - Haq Nawaz Sheikh
- Department of Chemistry, University of Jammu, Baba Sahib Ambedkar Road, Jammu, 180006, India
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33
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Yao GX, Li P, Zhang JQ, Wang L, Liu H, Dong WK. A highly efficient yet stable salamo-type fluorescent chemosensor with multiple responses to Cu 2+ and S 2−. NEW J CHEM 2021. [DOI: 10.1039/d1nj02763h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A new salamo-type compound H3L has been synthesized, and exploited as a chemosensor with multiple responses to Cu2+ and S2−. The crystal structure of the Cu(ii) complex has been determined by X-ray crystallographic analysis.
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Affiliation(s)
- Guang-Xu Yao
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China
| | - Peng Li
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China
| | - Jin-Qiang Zhang
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China
| | - Li Wang
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China
| | - Hui Liu
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China
| | - Wen-Kui Dong
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China
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34
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Bu D, Song H, Li Z, Wei L, Zhang H, Yu M. Carbon‐dot‐based ratiometric fluorescent probe of intracellular zinc ion and persulfate ion with low dark toxicity. LUMINESCENCE 2020; 35:1319-1327. [DOI: 10.1002/bio.3894] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 05/31/2020] [Accepted: 06/02/2020] [Indexed: 01/25/2023]
Affiliation(s)
- Dandan Bu
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou China
| | - Huanhuan Song
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou China
| | - Zhanxian Li
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou China
| | - Liuhe Wei
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou China
| | - Hongyan Zhang
- Beijing Key Laboratory of Clothing Materials R &D and Assessment, Beijing Engineering Research Center of Textile, Nanofiber Beijing Institute of Fashion Technology Beijing China
| | - Mingming Yu
- Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou China
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35
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Qian J, Wen C, Xia J. Development of highly efficient chemosensors for Cu 2+ and N 2H 4 detection based on 2D polyaniline derivatives by template-free chemical polymerization method. JOURNAL OF HAZARDOUS MATERIALS 2020; 389:121902. [PMID: 31874755 DOI: 10.1016/j.jhazmat.2019.121902] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/14/2019] [Accepted: 12/14/2019] [Indexed: 06/10/2023]
Abstract
Chemosensors play an important role in environmental protection, medical diagnosis and energy conservation. Although polyaniline and its derivatives and two-dimensional (2D) materials have been applied as chemosensors in many reports, the concept of two-dimensional (2D) polyaniline derivatives has not been achieved in chemosensors. Here, two kinds of two-dimensional (2D) polyaniline derivatives are designed and synthesized by template-free chemical polymerization. It can be found that these two two-dimensional (2D) chemosensors exhibit high selectivity and sensitivity to Cu2+ and N2H4. Moreover, it is noteworthy that one of the two-dimensional materials can achieve the limit of detection (LOD) of 45 nM and 8 nM for Cu2+ and N2H4, respectively. Especially, these results imply that this two-dimensional polyaniline derivative is promising as the chemosensor in sensing field.
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Affiliation(s)
- Junning Qian
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, People's Republic of China
| | - Can Wen
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, People's Republic of China
| | - Jiangbin Xia
- Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, People's Republic of China; Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, People's Republic of China.
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36
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Ratiometric assay of mercury ion based on nitrogen-doped carbon dots with two different optical signals: second-order scattering and fluorescence. Anal Bioanal Chem 2020; 412:4375-4382. [PMID: 32358647 DOI: 10.1007/s00216-020-02676-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/27/2020] [Accepted: 04/21/2020] [Indexed: 12/14/2022]
Abstract
Ratiometric assays, which can effectively surmount external interference, have attracted extensive research interests. Herein, a novel ratiometric sensing platform for Hg2+ is designed based on nitrogen-doped carbon dots (N-CDs) with two different optical signals. Under a single excitation, N-CDs have two emission peaks around 668 nm and 412 nm, which are second-order scattering and fluorescence, respectively. Upon the addition of Hg2+, the weak scattering emission at 668 nm can be increased apparently, while the strong fluorescence intensity at 412 nm is weakened. Moreover, the ratio of scattering intensity to fluorescence intensity is linearly dependent on Hg2+ concentration (0.1-10 μM and 10-30 μM, respectively), and the detection limit is 66 nM. In addition, the ratiometric sensing mechanism is investigated in detail, which is due to the combined effect of aggregation-induced fluorescence quenching and scattering enhancement. Furthermore, the developed sensing approach holds a promising application for Hg2+ detection in actual samples. Graphical abstract.
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37
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Balasurya S, Syed A, Thomas AM, Bahkali AH, Elgorban AM, Raju LL, Khan SS. Highly sensitive and selective colorimetric detection of arginine by polyvinylpyrrolidone functionalized silver nanoparticles. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.112361] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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38
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Li Y, Ban Y, Wang R, Wang Z, Li Z, Fang C, Yu M. FRET-based ratiometric fluorescent detection of arginine in mitochondrion with a hybrid nanoprobe. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.07.047] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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39
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Fan Q, Li J, Zhu Y, Yang Z, Shen T, Guo Y, Wang L, Mei T, Wang J, Wang X. Functional Carbon Quantum Dots for Highly Sensitive Graphene Transistors for Cu 2+ Ion Detection. ACS APPLIED MATERIALS & INTERFACES 2020; 12:4797-4803. [PMID: 31909585 DOI: 10.1021/acsami.9b20785] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Cu2+ ions play essential roles in various biological events that occur in the human body. It is important to establish an efficient and reliable detection of Cu2+ ions for people's health. The solution-gated graphene transistors (SGGTs) have been extensively investigated as a promising platform for chemical and biological sensing applications. Herein, highly sensitive and highly selective sensor for Cu2+ ion detection is successfully constructed based on SGGTs with gate electrodes modified by functional carbon quantum dots (CQDs). The sensing mechanism of the sensor is that the coordination of CQDs and Cu2+ ions induces the capacitance change of the electrical double layer (EDL) near the gate electrode and then results in the change of channel current. Compared to other metal ions, Cu2+ ions have an excellent binding nature with CQDs that make it an ultrahigh selective sensor. The CQD-modified sensor achieves excellent Cu2+ ion detection with a minimal level of concentration (1 × 10-14 M), which is several orders of magnitude lower than the values obtained from other conventional detection methods. Interestingly, the device also displays a quick response time on the order of seconds. Due to the functionalized nature of CQDs, SGGTs with CQD-modified gate show good prospects to achieve multifunctional sensing platform in biochemical detections.
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Affiliation(s)
- Qin Fan
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering , Hubei University , Wuhan 430062 , China
| | - Jinhua Li
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering , Hubei University , Wuhan 430062 , China
| | - Yuhua Zhu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering , Hubei University , Wuhan 430062 , China
| | - Zilu Yang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering , Hubei University , Wuhan 430062 , China
| | - Tao Shen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering , Hubei University , Wuhan 430062 , China
| | - Yizhong Guo
- Institute of Microstructure and Properties of Advanced Materials , Beijing University of Technology , Beijing 100124 , China
| | - Lihua Wang
- Institute of Microstructure and Properties of Advanced Materials , Beijing University of Technology , Beijing 100124 , China
| | - Tao Mei
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering , Hubei University , Wuhan 430062 , China
| | - Jianying Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering , Hubei University , Wuhan 430062 , China
| | - Xianbao Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering , Hubei University , Wuhan 430062 , China
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40
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Tan Q, Zhang R, Zhang G, Liu X, Qu F, Lu L. Embedding carbon dots and gold nanoclusters in metal-organic frameworks for ratiometric fluorescence detection of Cu 2. Anal Bioanal Chem 2020; 412:1317-1324. [PMID: 31927600 DOI: 10.1007/s00216-019-02353-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/07/2019] [Accepted: 12/11/2019] [Indexed: 12/31/2022]
Abstract
Herein, a dual-emission metal-organic framework based ratiometric fluorescence nanoprobe was reported for detecting copper(II) ions. In particular, carbon dots (CDs) and gold nanoclusters (AuNCs) were embedded into ZIF-8 (one of the classical metal-organic frameworks) to form CDs/AuNCs@ZIF-8 nanocomposites, which exhibited dual-emission peaks at UV excitation. In the presence of Cu2+, the fluorescence attributed to AuNCs can be rapidly quenched, while the fluorescence of CDs serves as reference with undetectable changes. Therefore, the CDs/AuNCs@ZIF-8 nanocomposites were utilized as a ratiometric fluorescence nanoprobe for sensitive and selective detection of Cu2+. A good linear relationship between the ratiometric fluorescence signal of CDs/AuNCs@ZIF-8 and Cu2+ concentration was obtained in the range of 10-3-103 μM, and the detection limit was as low as 0.3324 nM. The current ratiometric fluorescence nanoprobe showed promising prospects in cost-effective and rapid determination of Cu2+ ions with good sensitivity and selectivity. Furthermore, this nanoprobe has been successfully applied for the quantitative detection of Cu2+ in serum samples, indicating its value of practical application. Graphical abstract Carbon dots (CDs) and gold nanoclusters (AuNCs) were embedded into metal-organic frameworks (ZIF-8) to form CDs/AuNCs@ZIF-8 nanocomposites, which exhibited dual-emission peaks at 365 nm excitation. In the presence of Cu2+, the fluorescence emission peak at 574 nm can rapidly respond by quenching, while the fluorescence at 462 nm serves as reference with undetectable changes.
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Affiliation(s)
- Qingqing Tan
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, Shandong, China
| | - Ruirui Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, 250014, Shandong, China
| | - Guoyan Zhang
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, Shandong, China
| | - Xiaoya Liu
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, Shandong, China
| | - Fengli Qu
- College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, Shandong, China.
| | - Limin Lu
- Institute of Functional Materials and Agricultural Applied Chemistry, College of Science, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China.
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41
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Zhang H, Gao Y, Jiao Y, Lu W, Shuang S, Dong C. Highly sensitive fluorescent carbon dots probe with ratiometric emission for the determination of ClO−. Analyst 2020; 145:2212-2218. [DOI: 10.1039/c9an02570g] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A ratiometric fluorescent N,S co-doped carbon dots (N,S-CD) probe for ClO− has been facilely obtained via a one-step hydrothermal method.
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Affiliation(s)
- Huilin Zhang
- College of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Yifang Gao
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Yuan Jiao
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Wenjing Lu
- College of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Shaomin Shuang
- College of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Chuan Dong
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
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42
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Zhang J, Zhao X, Liu X, Dong C. Enhanced chemical sensing for Cu2+ based on composites of ZIF-8 with small molecules. RSC Adv 2020; 10:13998-14006. [PMID: 35498443 PMCID: PMC9051611 DOI: 10.1039/c9ra10695b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 03/23/2020] [Indexed: 02/05/2023] Open
Abstract
Two organic molecules, pyridoxal hydrazide (PAH) and salicylaldehyde based Rhodamine B hydrazone (RBS) were integrated into zeolitic imidazolate framework-8 (ZIF-8) to give composites, namely PAH/ZIF-8 and RBS/ZIF-8. The organic molecules and ZIF-8 are proposed to be assembled via hydrogen bonds and π–π stacking in the composites. The mass fraction of PAH and RBS in the composites was calculated to be 21.86% and 29.3%. The fluorescence of PAH/ZIF-8 is quenched regularly by Cu2+. The detection limit for Cu2+ was calculated to be 1.42 nM for PAH/ZIF-8, which is one order of magnitude lower than that of PAH. The detection limit for Cu2+ was determined to be 0.8 μM for RBS/ZIF-8, which is three times lower than that of RBS. The two composites both display high selectivity to Cu2+ over competing metal ions. The PAH/ZIF-8 fluorescent sensor was successfully applied to Cu2+ determination in environmental water. PAH/ZIF-8 exhibits excellent cell membrane permeability and low cytotoxicity in cellular imaging. The enhanced chemical sensor was designed by introducing small molecules into ZIF-8 for the specific recognition of Cu2+. An enhanced chemical sensor was designed by introducing small molecules into ZIF-8 for the specific recognition of Cu2+.![]()
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Affiliation(s)
- Jun Zhang
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Xiuyang Zhao
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Xuefeng Liu
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Chuan Dong
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
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43
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Zhang Z, Wang F, Chen X. Recent advances in the development of polydiacetylene-based biosensors. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2019.08.035] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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A ratiometric fluorescent nanoprobe consisting of ssDNA-templated silver nanoclusters for detection of histidine/cysteine, and the construction of combinatorial logic circuits. Mikrochim Acta 2019; 186:648. [DOI: 10.1007/s00604-019-3749-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/10/2019] [Indexed: 02/06/2023]
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Tong L, Mozneb M, Bravo E, Ferrando V, Li CZ. Whole cell analysis ranging from intercellular assay to organ on a chip. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.05.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Lu W, Du F, Zhao X, Shi L, Shuang S, Cui XT, Dong C. Sulforaphane-Conjugated Carbon Dots: A Versatile Nanosystem for Targeted Imaging and Inhibition of EGFR-Overexpressing Cancer Cells. ACS Biomater Sci Eng 2019; 5:4692-4699. [PMID: 33448841 DOI: 10.1021/acsbiomaterials.9b00690] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Because of the demand for precision medicine, the investigatation on the application of carbon-dots-based nanosystems in the field of biomedicine is attracting more and more attention. Therefore, we have built a multifunctional nanosystem based on sulforaphane-conjugated carbon dots (SFN-CDs) with thiourea skeleton and applied for EGFR-overexpressing cancer cells targeted imaging and inhibiting. The SFN-CDs are formed by grafting sulforaphane on the amino-rich yellow fluorescent carbon dots, which have excellent optical stability and can be distinguished from normal cells for targeted imaging of cancer cells. The vitro toxicity experiments demonstrated that the SFN-CDs can effectively inhibit EGFR-overexpressing cancer cell proliferation at concentrations below 100 μg mL-1. All these results validated that SFN-CDs nanoparticles with integration of diagnostic and therapeutic functions can be used as a potential nanodurg in early stage of cancer control. Moreover, this work provides useful insight into targeted nanoparticle design in the biological nanomedicine field.
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Affiliation(s)
- Wenjing Lu
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Fangfang Du
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Xuewei Zhao
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Lihong Shi
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Shaomin Shuang
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Xinyan Tracy Cui
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15260 United States
| | - Chuan Dong
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
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Li Y, An L, Lin J, Tian Q, Yang S. Smart nanomedicine agents for cancer, triggered by pH, glutathione, H 2O 2, or H 2S. Int J Nanomedicine 2019; 14:5729-5749. [PMID: 31440046 PMCID: PMC6664425 DOI: 10.2147/ijn.s210116] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 05/23/2019] [Indexed: 12/11/2022] Open
Abstract
Effective tumor diagnosis and therapy have always been a significant but challenging issue. Although nanomedicine has shown great potential for improving the outcomes of tumor diagnosis and therapy, the nonspecial targeted distribution of nanomedicine agents in the whole body causes a low diagnosis signal-to-noise ratio and a potential risk of systemic toxicity. Recently, the development of smart nanomedicine agents with diagnosis and therapy functions that can only be activated by the tumor microenvironment (TME) is regarded as an effective strategy to improve the theranostic sensitivity and selectivity, as well as reduce the potential side effects during treatment. This article will introduce and summarize the latest achievements in the design and fabrication of TME-responsive smart nanomedicine agents, and highlight their prospects for enhancing tumor diagnosis and therapy.
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Affiliation(s)
- Yaping Li
- Key Laboratory of Resource Chemistry of the Ministry of Education
- The Shanghai Key Laboratory of Rare Earth Functional Materials
- The Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai200234, People's Republic of China
| | - Lu An
- Key Laboratory of Resource Chemistry of the Ministry of Education
- The Shanghai Key Laboratory of Rare Earth Functional Materials
- The Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai200234, People's Republic of China
| | - Jiaomin Lin
- Key Laboratory of Resource Chemistry of the Ministry of Education
- The Shanghai Key Laboratory of Rare Earth Functional Materials
- The Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai200234, People's Republic of China
| | - Qiwei Tian
- Key Laboratory of Resource Chemistry of the Ministry of Education
- The Shanghai Key Laboratory of Rare Earth Functional Materials
- The Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai200234, People's Republic of China
| | - Shiping Yang
- Key Laboratory of Resource Chemistry of the Ministry of Education
- The Shanghai Key Laboratory of Rare Earth Functional Materials
- The Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai200234, People's Republic of China
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Cao X, Li Y, Yu Y, Fu S, Gao A, Chang X. Multifunctional supramolecular self-assembly system for colorimetric detection of Hg 2+, Fe 3+, Cu 2+ and continuous sensing of volatile acids and organic amine gases. NANOSCALE 2019; 11:10911-10920. [PMID: 31139798 DOI: 10.1039/c9nr01433k] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A novel multifunctional gelator (1) based on an azobenzene derivative was designed and characterized. This compound could gelate some solvents including hexane, petroleum ether, DMSO, acetonitrile and ethanol through a heating-cooling procedure. The self-assembly process in different solvents was studied by means of UV-vis absorption and Fourier transform infrared (FTIR) spectra, field emission scanning electron microscopy (FESEM), rheological measurements, X-ray powder diffraction and water contact angle experiments. Interestingly, compound 1 had a high-contrast colorimetric detection ability towards Hg2+, Cu2+, Fe3+ and volatile acids and further organic amine gases in solution through its color change. At the same time, organogel 1 in acetonitrile also exhibited detection performance through a color or gel state change. In the response process, the self-assembly structures were changed from a nanofiber into a microsphere under induction by analytes. More significantly, film 1 could continuously detect volatile acids and organic amine gases. The number of cycles of film 1 for the detection of volatile acids and organic amine gases was at least seven times. The limit of detection (LOD) of film 1 towards TFA was calculated to be 0.0848 ppb. The sensing mechanisms were studied using 1HNMR, FESEM, UV-vis absorption spectra and HRMS. The intramolecular cyclization occurred on molecule 1 and a H2S molecule was lost during the detection process of Hg2+. It was proposed that the -N[double bond, length as m-dash]N- bonding could be coordinated by Fe3+ and Cu2+ and this further induced the absorption spectra and color change. For a volatile acid, it was possible that the volatile acid was combined with the N,N-dimethyl amine group of molecule 1. This research opens up a novel pathway to the fabrication of supramolecular self-assembly gels to detect polymetallic ions and trace volatile acids in the environment.
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Affiliation(s)
- Xinhua Cao
- College of Chemistry and Chemical Engineering, Henan Province Key laboratory of Utilization of Non-metallic Mineral in the South of Henan, Xinyang Normal University, Xinyang 464000, China.
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Shi X, Wei W, Fu Z, Gao W, Zhang C, Zhao Q, Deng F, Lu X. Review on carbon dots in food safety applications. Talanta 2019; 194:809-821. [DOI: 10.1016/j.talanta.2018.11.005] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 10/24/2018] [Accepted: 11/04/2018] [Indexed: 12/15/2022]
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50
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Li X, Shi L, Li L, Dong C, Li CZ, Shuang S. Recent Advances in Carbon Nanodots: Properties and Applications in Cancer Diagnosis and Treatment. JOURNAL OF ANALYSIS AND TESTING 2019. [DOI: 10.1007/s41664-019-00089-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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