1
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Prajapati A, Yadav RK, Shahin R, Shukla R, Mishra S, Singh S, Yadav S, Baeg JO, Singhal R, Gupta NK, Ali MS, Yadav KK. Synergistic effects of covalently coupled eosin-Y with B en-graphitic carbon nitride framework for improved photocatalytic activity in solar light-driven Biginelli product generation and NADH regeneration. Photochem Photobiol 2024. [PMID: 38943225 DOI: 10.1111/php.13986] [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: 02/23/2024] [Revised: 05/07/2024] [Accepted: 06/03/2024] [Indexed: 07/01/2024]
Abstract
Elevated global pollution level is the prime reason that contributes to the onset of various harmful health diseases. The products of Biginelli reaction are enormously used in the pharmaceutical industry as they have antiviral, antibacterial, and calcium channel modulation abilities. This work reports a novel eosin Y sensitized boron graphitic carbon nitride (EY-Ben-g-C3N4) as a photocatalyst that efficiently produced 3,4-dihydropyrimidine-2-(1H)-one by the Biginelli reaction of benzaldehyde, urea, and methyl acetoacetate. The photocatalyst EY-Ben-g-C3N4 showed a successful generation of 3,4-dihydropyrimidine-2-(1H)-one (Biginelli product) in good yield via photocatalysis which is an eco-friendly method and has facile operational process. In addition to the production of Biginelli products, the photocatalyst also showed a remarkable NADH regeneration of 81.18%. The incorporation of g-C3N4 with boron helps increase the surface area and the incorporation of eosin Y which is an inexpensive and non-toxic dye, and in Ben-g-C3N4, enhanced the light-harvesting capacity of the photocatalyst. The production of 3,4-dihydropyrimidine-2-(1H)-one and NADH by the EY-Ben-g-C3N4 photocatalyst is attributed to the requisite band gap, high molar absorbance, low rate of charge recombination, and increased capacity of the photocatalyst to harvest solar light energy.
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Affiliation(s)
- Anurag Prajapati
- Department of Chemistry and Environmental Science, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Rajesh K Yadav
- Department of Chemistry and Environmental Science, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Rehana Shahin
- Department of Chemistry and Environmental Science, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Ravindra Shukla
- Department of Chemistry and Environmental Science, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Shaifali Mishra
- Department of Chemistry and Environmental Science, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Satyam Singh
- Department of Chemistry and Environmental Science, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Suman Yadav
- Department of Chemistry, Swami Shraddhanand College, Delhi University, New Delhi, India
| | - Jin-OoK Baeg
- Korea Research Institute of Chemical Technology, Daejeon, South Korea
| | - Rajat Singhal
- Centre for Sustainable Technologies, Indian Institute of Science, Bengaluru, India
| | - Navneet K Gupta
- Centre for Sustainable Technologies, Indian Institute of Science, Bengaluru, India
| | - Mohd Sajid Ali
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Bhopal, India
- Environmental and Atmospheric Sciences Research Group, Scientific Research Center, Al-Ayen University, Thi-Qar, Nasiriyah, Iraq
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2
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Chaulagain N, Garcia JC, Manoj A, Shankar K. Ultrasensitive detection of Ag +and Ce 3+ions using highly fluorescent carboxyl-functionalized carbon nitride nanoparticles. NANOTECHNOLOGY 2024; 35:315502. [PMID: 38604135 DOI: 10.1088/1361-6528/ad3d66] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 04/11/2024] [Indexed: 04/13/2024]
Abstract
The fluorescence quenching of carboxyl-rich g-C3N4nanoparticles was found to be selective to Ag+and Ce3+with a limit of detection as low as 30 pM for Ag+ions. A solid-state thermal polycondensation reaction was used to produce g-C3N4nanoparticles with distinct green fluorescence and high water solubility. Dynamic light scattering indicated an average nanoparticle size of 95 nm. The photoluminescence absorption and emission maxima were centered at 405 nm and 540 nm respectively which resulted in a large Stokes shift. Among different metal ion species, the carboxyl-rich g-C3N4nanoparticles were selective to Ag+and Ce3+ions, as indicated by strong fluorescence quenching and a change in the fluorescence lifetime. The PL sensing of heavy metal ions followed modified Stern-Volmer kinetics, and CNNPs in the presence of Ag+/Ce3+resulted in a higher value ofKapp(8.9 × 104M-1) indicating a more efficient quenching process and stronger interaction between CNNP and mixed ions. Sensing was also demonstrated using commercial filter paper functionalized with g-C3N4nanoparticles, enabling practical on-site applications.
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Affiliation(s)
- Narendra Chaulagain
- Department of Electrical and Computer Engineering, University of Alberta, 9211-116 St, Edmonton, AB T6G 1H9, Canada
| | - John C Garcia
- Department of Electrical and Computer Engineering, University of Alberta, 9211-116 St, Edmonton, AB T6G 1H9, Canada
| | - Aparna Manoj
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal, 462066, India
| | - Karthik Shankar
- Department of Electrical and Computer Engineering, University of Alberta, 9211-116 St, Edmonton, AB T6G 1H9, Canada
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3
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Polanco EA, Opdam LV, Passerini L, Huber M, Bonnet S, Pandit A. An artificial metalloenzyme that can oxidize water photocatalytically: design, synthesis, and characterization. Chem Sci 2024; 15:3596-3609. [PMID: 38455019 PMCID: PMC10915814 DOI: 10.1039/d3sc05870k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/29/2024] [Indexed: 03/09/2024] Open
Abstract
In nature, light-driven water oxidation (WO) catalysis is performed by photosystem II via the delicate interplay of different cofactors positioned in its protein scaffold. Artificial systems for homogeneous photocatalytic WO are based on small molecules that often have limited solubility in aqueous solutions. In this work, we alleviated this issue and present a cobalt-based WO-catalyst containing artificial metalloenzyme (ArM) that is active in light-driven, homogeneous WO catalysis in neutral-pH aqueous solutions. A haem-containing electron transfer protein, cytochrome B5 (CB5), served to host a first-row transition-metal-based WO catalyst, CoSalen (CoIISalen, where H2Salen = N,N'-bis(salicylidene)ethylenediamine), thus producing an ArM capable of driving photocatalytic WO. The CoSalen ArM formed a water-soluble pre-catalyst in the presence of [Ru(bpy)3](ClO4)2 as photosensitizer and Na2S2O8 as the sacrificial electron acceptor, with photocatalytic activity similar to that of free CoSalen. During photocatalysis, the CoSalen-protein interactions were destabilized, and the protein partially unfolded. Rather than forming tens of nanometer sized CoOx nanoparticles as free CoSalen does under photocatalytic WO conditions, the CB5 : CoSalen ArM showed limited protein cross-linking and remained soluble. We conclude that a weak, dynamic interaction between a soluble cobalt species and apoCB5 was formed, which generated a catalytically active adduct during photocatalysis. A detailed analysis was performed on protein stability and decomposition processes during the harsh oxidizing reaction conditions of WO, which will serve for the future design of WO ArMs with improved activity and stability.
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Affiliation(s)
- Ehider A Polanco
- Leiden Institute of Chemistry, Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Laura V Opdam
- Leiden Institute of Chemistry, Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Leonardo Passerini
- Department of Physics, Huygens-Kamerlingh Onnes Laboratory, Leiden University Niels Bohrweg 2 2333 CA Leiden The Netherlands
| | - Martina Huber
- Department of Physics, Huygens-Kamerlingh Onnes Laboratory, Leiden University Niels Bohrweg 2 2333 CA Leiden The Netherlands
| | - Sylvestre Bonnet
- Leiden Institute of Chemistry, Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Anjali Pandit
- Leiden Institute of Chemistry, Leiden University Einsteinweg 55 2333 CC Leiden The Netherlands
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4
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El-Reash YGA, Ghaith EA, El-Awady O, Algethami FK, Lin H, Abdelrahman EA, Awad FS. Highly fluorescent hydroxyl groups functionalized graphitic carbon nitride for ultrasensitive and selective determination of mercury ions in water and fish samples. J Anal Sci Technol 2023. [DOI: 10.1186/s40543-023-00379-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023] Open
Abstract
AbstractHeavy metal ion pollution is always a serious problem worldwide. Therefore, monitoring heavy metal ions in environmental water is a crucial and difficult step to ensure the safety of people and the environment. A mercury ion (Hg2+) fluorescence probe with excellent sensitivity and selectivity is described here. The functionalized graphitic carbon nitride nanosheets (T/G-C3N4) fluorescence probe was fabricated using melamine as a precursor by the pyrolysis technique, followed by a rapid KOH heat treatment method for 2 min. The chemical structure and morphology of the T/G-C3N4 probe were characterized using multiple analytical techniques including UV–Vis, SEM, XPS, XRD, and fluorometer spectroscopy. Geometry optimization of T/G-C3N4 as a modified probe was performed to assess its stability and interaction ability with Hg(II) via using the density function approach. The T/G-C3N4 probe showed a linear response based on quenching over the range 0–1.25 × 103 nM Hg(II); the detection limit was 27 nM. The remarkable sensitivity of T/G-C3N4 towards the Hg2+ ions was explained by the intense coordination and fast chelation kinetics of Hg2+ with the NH2, CN, C=N, and OH groups of T/G-C3N4 nanoprobe. The T/G-C3N4 probe demonstrates exceptional selectivity for Hg2+ ions among other metal ions including (Na+, Ag+, Mg2+, Fe2+, Fe3+, Co2+, Ni2+, Cd2+, K+, Ca2+, Cu2+, Pb2+, Mn2+ and Hg2+) and over a broad pH range (6–10), together with remarkable long-term fluorescence stability in water (> 30 days) and minimal toxicity. T/G-C3N4 was used to detect and quantify Hg2+ ions in tuna and mackerel fish and the results compared to ICP-AES. The results obtained offer a new simple and green technique for the design of multifunctional fluorescent probe appropriate for environmental applications.
Graphical Abstract
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5
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Anusuyadevi K, Velmathi S. Design strategies of carbon nanomaterials in fluorescent sensing of biomolecules and metal ions -A review. RESULTS IN CHEMISTRY 2023. [DOI: 10.1016/j.rechem.2023.100918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
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6
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Behera P, Ray A, Prakash Tripathy S, Acharya L, Subudhi S, Parida K. ZIF-8 derived porous C, N co-doped ZnO modified B-g-C3N4: A Z-Scheme charge dynamics approach operative towards photocatalytic Hydrogen evolution and Ciprofloxacin degradation. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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7
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Patel MR, Kailasa SK. Carbon Nitride Nanomaterials: Properties, Synthetic Approaches and New Insights in Fluorescence Spectrometry for Assaying of Metal Ions, Organic and Biomolecules. ChemistrySelect 2022. [DOI: 10.1002/slct.202201849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Mayurkumar Revabhai Patel
- Department of Chemistry Sardar Vallabhbhai National Institute of Technology Surat 395007 Gujarat India
| | - Suresh Kumar Kailasa
- Department of Chemistry Sardar Vallabhbhai National Institute of Technology Surat 395007 Gujarat India
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8
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Bao J, Bai W, Wu M, Gong W, Yu Y, Zheng K, Liu L. Template-mediated copper doped porous g-C 3N 4 for efficient photodegradation of antibiotic contaminants. CHEMOSPHERE 2022; 293:133607. [PMID: 35032511 DOI: 10.1016/j.chemosphere.2022.133607] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/30/2021] [Accepted: 01/11/2022] [Indexed: 06/14/2023]
Abstract
Graphite carbon nitride (g-C3N4) has great potential to treat antibiotic wastewater, but limited by small specific surface area, rapid recombination of photogenerated carriers and narrow visible light absorption range. In order to solve above problems, we designed a simple template-mediated approach by supramolecular self-assembly (Cu-melamine-cyanuric acid) to prepare copper doped porous graphitic carbon nitride (Cu-pCN) photocatalyst. The pre-organized template self-assembly driven by hydrogen bonds and electrostatic interaction, resulted in highly porous structure. The specific surface area of Cu-pCN increased to 142.8 m2/g from 11.37 m2/g of conventional bulk g-C3N4. In addition, the doping of Cu endowed them with better light absorption, higher separation and transfer rate of photogenerated carriers. Consequently, the obtained Cu-pCN displayed the superior photocatalytic degradation rate for tetracycline (TC) and high recycling stability.
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Affiliation(s)
- Jie Bao
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Park, Hangzhou, 310018, China
| | - Wending Bai
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Park, Hangzhou, 310018, China
| | - Mingbang Wu
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Park, Hangzhou, 310018, China
| | - Wenli Gong
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Park, Hangzhou, 310018, China
| | - Yucong Yu
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Park, Hangzhou, 310018, China
| | - Kang Zheng
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Park, Hangzhou, 310018, China
| | - Lin Liu
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, 928 Second Avenue, Xiasha Higher Education Park, Hangzhou, 310018, China.
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9
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Talesh Ramezani A, Rabiei R, Badiei A, Mohammadi Ziarani G, Ghasemi JB. A new fluorescence probe for detection of Cu +2 in blood samples: Circuit logic gate. Anal Biochem 2021; 639:114525. [PMID: 34929153 DOI: 10.1016/j.ab.2021.114525] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 11/01/2022]
Abstract
A Fluorescence probe was designed based on 8-hydroxyquinoline chitosan silica precursor (HQCS) for selective detection of Al3+, Cu2+. The HQCS has no observable fluorescence signal, but after the addition of Al3+, a huge fluorescence signal appeared, and the selective quenching was absorbed after the addition of Cu2+. The effect of other different cations, including Cu2+, Mg2+, Ca2+, Pb2+, Zn2+, Hg2+, Ag+, Fe3+, and K+ was studied. The addition of Cu2+ to the probe (HQCSAL) decreased the fluorescence very repeatable, and the variation of the fluorescence vs. Cu2+ was monotonic and linear. Therefore, the prepared probe was used to determine Cu2+ ions in real samples. The mechanism of fluorescence variation by adding cations to the probe solution was studied using the Stern-Volmer equation. Under the optimum conditions, the linear range and detection limit were 3.5-31 μM and 1 μM, respectively. The probe accuracy on the copper determination in the blood and tap waters was comparable to the ICP-OES results. The circuit logic gate mimic was designed for the fluorescence behavior of the probe constituents.
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Affiliation(s)
| | - Razieh Rabiei
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Alireza Badiei
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | | | - Jahan B Ghasemi
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran.
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10
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Nazerdeylami S, Ghasemi JB, Amiri A, Mohammadi Ziarani G, Badiei A. An On-off Supramolecular Fluorescence Switch for Detection of Pb 2+ Ions and Vitamin C. J Fluoresc 2021; 32:165-173. [PMID: 34674114 DOI: 10.1007/s10895-021-02797-y] [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: 06/17/2021] [Accepted: 08/03/2021] [Indexed: 11/29/2022]
Abstract
β-cyclodextrin-hydroxyquinoline functionalized graphene oxide (GO-CD-HQ) was facilely fabricated to monitor and quantitatively analyze cations in aqueous media. The optical probe was notably selective enhanced toward Pb2+ ions over the other tested ions like Cu2+, Hg2+, Ca2+, Na+, K+, Zn2+, Fe2+, Fe3+, Ag+, Mg2+, and Cd2+ at 468 nm as an emission wavelength. The probe was shown the best performance in pH value, 5, and optimum time 1 min. Absorption spectra have clearly confirmed the static type fluorescence enhancement mechanism of GO-CD-HQ. Under the optimal conditions, the detection limit of it and linear concentration range for Pb2+ ions were obtained as 3.72 × 10-5 M and (5-60) × 10-5 M, respectively. Additionally, the developed assay exhibited logic gate behavior with Pb2+ ions and vitamin C as a masking agent for cited ions.
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Affiliation(s)
| | - Jahan B Ghasemi
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Ahmad Amiri
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | | | - Alireza Badiei
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran.
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11
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Zhao HM, Bao B, Sun T, Xue B. Depolymerized phosphorus-doped polymeric carbon nitride: A mercury (II) ion fluorescent probe. CERAMICS INTERNATIONAL 2021; 47:24115-24120. [DOI: 10.1016/j.ceramint.2021.05.122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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12
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Yu Y, Sheng W, Liu C, Gao N, Tian B, Zhu H, Jia P, Li Z, Zhang X, Wang K, Li X, Zhu B. A simple sensitive ratiometric fluorescent probe for the detection of mercury ions in living cells and zebrafish. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 249:119279. [PMID: 33341742 DOI: 10.1016/j.saa.2020.119279] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 11/18/2020] [Accepted: 11/21/2020] [Indexed: 06/12/2023]
Abstract
Mercury, as a highly toxic heavy metal, can cause very serious harm to human health and even death in severe cases. Therefore, we synthesized a novel ratiometric fluorescent probe for detecting mercury ions, with mercaptoethanol as the recognition receptor. Probe CMER could determine mercury ions in 0-1.6 μM and the detection limit is 7.6 nM. Moreover, CMER manifested a fast response for Hg2+ (within 5 s) and simultaneously observed that the color changed from light yellow to orange by naked eye. In addition to these preeminent spectral properties, the probe also had satisfactory bioimaging results in RAW 264.7 macrophage cells and zebrafish.
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Affiliation(s)
- Yamin Yu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Wenlong Sheng
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Caiyun Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China.
| | - Na Gao
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Bin Tian
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Hanchuang Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Pan Jia
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Zilu Li
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xue Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Kun Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xiwei Li
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Baocun Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China.
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13
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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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14
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Nanbedeh S, Faghihi K. Synthesis and Characterization of New Mesoporous Polyurethane-Nitrogen Doped Carbon Dot Nanocomposites: Ultrafast, Highly Selective and Sensitive Turn-off Fluorescent Sensors for Fe 3+ Ions. J Fluoresc 2021; 31:517-539. [PMID: 33452636 DOI: 10.1007/s10895-020-02680-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 12/28/2020] [Indexed: 12/27/2022]
Abstract
A new fluorescent mesoporous polyurethane (PU) (9) was synthesized by reaction between 2,2'-(methylenebis(4,1-phenylene))bis(5-isocyanatoisoindoline-1,3-dione) (Diisocyanate) (5) and 4,4',4″-((1,3,5-triazine-2,4,6-triyl)tris (azanediyl))triphenol (Triol, TO) (8) (molar ratio 3:2). PU was characterized by using FT-IR, 1H-NMR, XRD, UV-Vis, TGA, Nitrogen adsorption-desorption isotherm, BET, FE-SEM and Photoluminescence (PL) analyses. To the best of our knowledge, this is the first time that a fluorescent polyurethane has been made without the use of commercial fluorescent materials. PU has high fluorescent intensity and it is ultrafast (about few seconds), highly selective and sensitive turn-off fluorescent sensor for Fe3+ ions. This chemosensor exhibited a wide concentration range of (10-250)×10-6 M Fe3+ with quenching efficiency (η) 97.50%. Limit of detection (LOD), limit of quantification (LOQ) and quenching constant (Ksv) values were calculated 10.10×10-6 M, 30.60×10-6 M and 6919.31 M-1, respectively. Nitrogen doped carbon dots (N-doped CDs) as fluorescent nanoparticles and with the aim of improving Fe3+ detecting were synthesized by microwave-assisted and using citric acid monohydrate (10) and ethylenediamine (11) as carbon and nitrogen sources, respectively. Fluorescent nanocomposites (FNCs) were prepared by using casting and in-situ methods. In both methods, two nanocomposites containing 5 and 10%w of N-doped CDs were prepared. FNCs were characterized by using FT-IR, UV-Vis, XRD, TGA, Nitrogen adsorption-desorption isotherm, BET, FE-SEM and PL analyses. All nanocomposites showed better thermal property and sensitivity and lower LOD values in lower concentration of Fe3+ related to PU. Among them, FNC10in exhibited the best results as η, LOD, LOQ, Ksv reached 99.80%, 1.15×10-6 M, 3.48×10-6 M and 53,551.48 M-1, respectively.
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Affiliation(s)
- Saber Nanbedeh
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-8-8349, Iran
| | - Khalil Faghihi
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-8-8349, Iran.
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15
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Chen S, Huang Y, Yang Y, Luo F, Zhao Q, Chen G. Ultrasensitive Fe 3+ ion detection based on pH-insensitive fluorescent graphene nanosensors in strong acid and neutral media. NEW J CHEM 2021. [DOI: 10.1039/d0nj06201d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Schematic illustration of the preparation of FRGO and the detection of Fe3+ ions in strong acid and neutral media.
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Affiliation(s)
- Songlin Chen
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Yajing Huang
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Yang Yang
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Fanghua Luo
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Qinghua Zhao
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
- Graphene Powder & Composite Research Center of Fujian Province
| | - Guohua Chen
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
- Graphene Powder & Composite Research Center of Fujian Province
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Nazerdeylami S, Ghasemi JB, Amiri A, Mohammadi Ziarani G, Badiei A. A highly sensitive fluorescence measurement of amphetamine using 8-hydroxyquinoline-β-cyclodextrin grafted on graphene oxide. DIAMOND AND RELATED MATERIALS 2020; 109:108032. [DOI: 10.1016/j.diamond.2020.108032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
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Shiravand G, Badiei A, Goldooz H, Karimi M, Ziarani GM, Faridbod F, Ganjali MR. A Fluorescent g-C3N4 Nanosensor for Detection of Dichromate Ions. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411014666180627150248] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Background:
Dichromate (Cr2O7
2-) ion is one of the carcinogenic and toxic spices in
environment which can easily contaminate the environment due to its high solubility in water. Therefore,
a lot of attention has been focused on the detection of Cr2O7
2- with high sensitivity and selectivity.
Methods:
In present work, nitrogen-rich precursor was used for synthesizing graphitic carbon nitride
(g-C3N4) nanostructures through hydrothermal oxidation of g-C3N4 nanosheets. The prepared
nanostructures show two distinct fluorescence emissions centered at 368 and 450 nm which are highly
sensitive toward Cr2O7
2- ions.
Results:
The as-prepared g-C3N4 was characterized by several techniques such as Fourier-Transform
Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD) and
fluorescence emission spectra. The XRD pattern of prepared nanostructures illustrated two diffraction
patterns (at 13.4° and 27.6°) indicating tri-s-tri-azine-based structures. The g-C3N4 exhibited good selectivity
and sensitivity toward Cr2O7
2- among other anions. According to titration test, the detection
limit and stern-volmer constant (Ksv) were calculated as 40 nM and 0.13×106 M-1, respectively. The
investigation of quenching mechanism shows that Cr2O7
2- may form hydrogen bonding with surface
groups of g-C3N4 (such as NH2, OH and COOH) resulted in more fluorescence quenching in comparison
with the pure inner filter effect.
Conclusion:
The g-C3N4 nanostructures were successfully synthesized through the hydrothermal oxidation.
The as-prepared g-C3N4 can be used as a highly sensitive fluorescent probe for the selective
determination of Cr2O7
2 ion among other anions. The quenching mechanism was experimentally studied.
According to reliable responses in real sample tests, it can be proposed that g-C3N4 nanostructure
is a suitable sensitive nanosensor for detection of Cr2O7
2 ions in aqueous media.
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Affiliation(s)
- Ghasem Shiravand
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Alireza Badiei
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Hassan Goldooz
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Mehdi Karimi
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Ghodsi M. Ziarani
- Department of Chemistry, Faculty of Science, Alzahra University, Tehran, Iran
| | - Farnoush Faridbod
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Mohammad R. Ganjali
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
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Nazerdeylami S, Ghasemi JB, Amiri A, Mohammadi Ziarani G, Badiei A. Fluorescence turn off-on probe (β-cyclodextrin-hydroxyquinoline) for monitoring of Cd 2+ ions and tetracycline. Methods Appl Fluoresc 2020; 8:025009. [PMID: 32101795 DOI: 10.1088/2050-6120/ab7a75] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
In this paper, a photoluminescent turn off-on switch probe β-cyclodextrin-hydroxyquinoline (β-CD-HQ) was efficiently applied for detection and measurement of Cd2+ ions and detection of tetracycline. The proposed assay has shown an excellent selective fluorescence response toward Cd2+ ions over other ions like Al3+, Pb2+, Zn2+, Co2+, K+, Na+ and Sr2+. The fluorescence emission intensity of the probe is slightly affected by competing ions. In optimum pH value, 4, the limit of detection and linear concentration range were 0.05 nM and 0.1-1.5 nM, respectively. Additionally, the extraordinary output signal of β-CD-HQ was utilized to investigate the logic behavior of β-CD-HQ in the aqueous media. Accordingly, a solid support logic circuit was made by producing the fluorescence output signal under the stimulation of Cd2+ ions and tetracycline as inputs.
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Pan Z, Xu Z, Chen J, Hu L, Li H, Zhang X, Gao X, Wang M, Zhang J. Coumarin Thiourea-Based Fluorescent Turn-on Hg 2+ Probe That Can Be Utilized in a Broad pH Range 1-11. J Fluoresc 2020; 30:505-514. [PMID: 32146649 DOI: 10.1007/s10895-020-02517-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 02/14/2020] [Indexed: 10/24/2022]
Abstract
A novel coumarin-thiourea conjugate was synthesized facilely. It served as a fluorescent turn-on chemosensor for selective detection of Hg2+ ion over other common competitive metal ions including Li+, Na+, K+, Ag+, Cu2+, Fe2+, Zn2+, Co2+, Ni2+, Mn2+, Sr2+, Ca2+, Mg2+, Al3+, Cr3+ and Fe3+ ions based on the Hg2+-promoted desulfurization and cyclization reactions. Addition of Hg2+ ion to the sensor solution in 2:8 EtOH/H2O induced a hypsochromic shift of the UV-Vis absorption band from 360 nm to 340 nm accompanying distinct enhancement in the absorption intensity while addition of other metal ions failed to bring about substantial change in the absorption spectra. Addition of Hg2+ to the sensor solution also caused marked increase in the fluorescence emission intensity and most common competitive metal ions did not interfere with the selective sensing of Hg2+ ion by the sensor. The detection limit of Hg2+ ion by the probe was calculated to be 1.46 × 10-7 M and the probe could be utilized for selective detection of Hg2+ ion by fluorescence turn-on mode over a broad pH range of 1-11.
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Affiliation(s)
- Zhixiu Pan
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Zhenxiang Xu
- Penglai Xinguang Pigment Chemical Co., Ltd, Penglai, 265601, People's Republic of China
| | - Jie Chen
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China.
| | - Luping Hu
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Hongqi Li
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China.
| | - Xin Zhang
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Xucheng Gao
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Mengxuan Wang
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Jian Zhang
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
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