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Krisanova N, Pastukhov A, Dekaliuk M, Dudarenko M, Pozdnyakova N, Driuk M, Borisova T. Mercury-induced excitotoxicity in presynaptic brain nerve terminals: modulatory effects of carbonaceous airborne particulate simulants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:3512-3525. [PMID: 38085481 DOI: 10.1007/s11356-023-31359-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 11/30/2023] [Indexed: 01/19/2024]
Abstract
Multipollutant approach is a breakthrough in up-to-date environmental quality and health risk estimation. Both mercury and carbonaceous air particulate are hazardous neurotoxicants. Here, the ability of carbonaceous air particulate simulants, i.e. carbon dots obtained by heating of organics, and nanodiamonds, to influence Hg2+-induced neurotoxicity was monitored using biological system, i.e. presynaptic rat cortex nerve terminals. Using HgCl2 and classical reducing/chelating agents, an adequate synaptic parameter, i.e. the extracellular level of key excitatory neurotransmitter L-[14C]glutamate, was selected for further analysis. HgCl2 starting from 5 µM caused an acute and concentration-dependent increase in the extracellular L-[14C]glutamate level in nerve terminals. Combined application of Hg2+ and carbon dots from heating of citric acid/urea showed that this simulant was able to mitigate in an acute manner excitotoxic Hg2+-induced increase in the extracellular L-[14C]glutamate level in nerve terminals by 37%. These carbon dots and Hg2+ acted as a complex in nerve terminals that was confirmed with fluorimetric data on Hg2+-induced changes in their spectroscopic features. Nanodiamonds and carbon dots from β-alanine were not able to mitigate a Hg2+-induced increase in the extracellular L-[14C]glutamate level in nerve terminals. Developed approach can be applicable for monitoring capability of different particles/compounds to have Hg2+-chelating signs in the biological systems. Therefore, among testing simulants, the only carbon dots from citric acid/urea were able to mitigate acute Hg2+-induced neurotoxicity in nerve terminals, thereby showing a variety of effects of carbonaceous airborne particulate in situ and its potential to interfere and modulate Hg2+-associated health hazard.
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Affiliation(s)
- Nataliya Krisanova
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Artem Pastukhov
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Mariia Dekaliuk
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Marina Dudarenko
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Natalia Pozdnyakova
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Mikola Driuk
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine
| | - Tatiana Borisova
- The Department of Neurochemistry, The Palladin Institute of Biochemistry, The National Academy of Sciences of Ukraine, 9 Leontovicha Street, Kiev, 01054, Ukraine.
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2
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Meher MK, Unnikrishnan BS, Tripathi DK, Packirisamy G, Poluri KM. Baicalin functionalized PEI-heparin carbon dots as cancer theranostic agent. Int J Biol Macromol 2023; 253:126846. [PMID: 37717866 DOI: 10.1016/j.ijbiomac.2023.126846] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/31/2023] [Accepted: 09/08/2023] [Indexed: 09/19/2023]
Abstract
The worldwide prevalence of cancer and its significantly rising risks with age have garnered the attention of nanotechnology for prompt detection and effective therapy with minimal or no adverse effects. In the current study, heparin (HP) polymer derived heteroatom (N, S-) co-doped CDs were synthesized using hydrothermal synthesis method to efficiently deliver natural anticancer compound baicalin (BA). Heparin carbon dots (HCDs) were passivated with polyethylenimine (PEI) to improve its fluorescence quantum yield. The surface passivation of CDs by polycationic PEI polymer not only facilitated loading of BA, but also played a crucial role in the pH-responsive drug delivery. The sustained release of BA (up to 80 %) in mildly acidic pH (5.5 and 6.5) conditions endorsed its drug delivery potential for cancer-specific microenvironments. BA-loaded PHCDs exhibited enhanced anticancer activity as compared to BA/PHCDs indicating the effectiveness of the nanoformulation, Furthermore, the flow cytometry analysis confirmed that BA-PHCDs treated cells were arrested in the G2/M phase of cell cycle and had a higher potential for apoptosis. Bioimaging study demonstrated the excellent cell penetration efficiency of PHCDs with complete cytoplasmic localization. All this evidence comprehensively demonstrates the potency of BA-loaded PHCDs as a nanotheranostic agent for cancer.
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Affiliation(s)
- Mukesh Kumar Meher
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
| | - B S Unnikrishnan
- Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
| | - Deepak Kumar Tripathi
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
| | - Gopinath Packirisamy
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India; Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
| | - Krishna Mohan Poluri
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India; Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India.
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3
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Benner D, Yadav P, Bhatia D. Red emitting carbon dots: surface modifications and bioapplications. NANOSCALE ADVANCES 2023; 5:4337-4353. [PMID: 37638168 PMCID: PMC10448348 DOI: 10.1039/d3na00469d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 08/03/2023] [Indexed: 08/29/2023]
Abstract
Quantum dots (QDs), and carbon quantum dots (CDs) in particular, have received significant attention for their special characteristics. These particles, on the scale of several nanometers, are often produced using simple and green methods, with naturally occurring organic precursors. In addition to facile production methods, CDs present advantageous applications in the field of medicine, primarily for bioimaging, antibacterial and therapeutics. Also, CDs present great potential for surface modification through methods like doping or material mixing during synthesis. However, the bulk of current literature focuses on CDs emitting in the blue wavelengths which are not very suitable for biological applications. Red emitting CDs are therefore of additional interest due to their brightness, photostability, novelty and deeper tissue penetration. In this review article, red CDs, their methods of production, and their biological applications for translational research are explored in depth, with emphasis on the effects of surface modifications and doping.
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Affiliation(s)
- Dawson Benner
- Department of Engineering, Texas A&M University College Station 77843 Texas USA
| | - Pankaj Yadav
- Biological Engineering Discipline, Indian Institute of Technology Gandhinagar Palaj 382355 Gujarat India
| | - Dhiraj Bhatia
- Biological Engineering Discipline, Indian Institute of Technology Gandhinagar Palaj 382355 Gujarat India
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4
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Deng XR, Hu AW, Hu SQ, Yang WL, Sun C, Xiao SJ, Yang GP, Zheng QQ, Liang RP, Zhang L, Qiu JD. An in-situ strategy to construct uracil-conjugated covalent organic frameworks with tunable fluorescence/recognition characteristics for sensitive and selective Mercury(II) detection. Anal Chim Acta 2023; 1252:341056. [PMID: 36935154 DOI: 10.1016/j.aca.2023.341056] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 02/25/2023] [Accepted: 03/05/2023] [Indexed: 03/08/2023]
Abstract
Previous researches of covalent organic frameworks (COFs) have shown their potential as fluorescent probes, but the regulation of their optical properties and recognition characteristics still remains a challenge, and most of reports required complicated post-decoration to improve the sensing performance. In this context, we propose a novel in-situ strategy to construct uracil-conjugated COFs and modulate their fluorescence properties for sensitive and selective mercury(II) detection. By using 1,3,6,8-tetrakis(4-formylphenyl)pyrene (TFPPy) and 1,3,6,8-tetrakis(4-aminophenyl)pyrene (TAPPy) as fundamental blocks and 5-aminouraci (5-AU) as the functional monomer, a series of COFs (Py-COFs and Py-U-COFs-1 to Py-U-COFs-5) with tunable fluorescence were solvothermally synthesized through an in-situ Schiff base reaction. The π-conjugated framework serves as a signal reporter, the evenly and densely distributed uracil acts as a mercury(II) receptor, and the regular pores (channels) make the rapid and sensitive detection of the mercury(II) possible. In this research, we manage to regulate the crystalline structure, the fluorescence properties, and the sensing performance of COFs by simply changing the molar ratio of precursors. We expect this research to open up a new strategy for effective and controllable construction of functionalized COFs for environmental analysis.
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Affiliation(s)
- Xi-Rui Deng
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China
| | - A-Wei Hu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China
| | - Sheng-Qian Hu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China
| | - Wen-Li Yang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China
| | - Chen Sun
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China
| | - Sai-Jin Xiao
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology (ECUT), Nanchang, 330013, PR China
| | - Gui-Ping Yang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China
| | - Qiong-Qing Zheng
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China
| | - Ru-Ping Liang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China
| | - Li Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China.
| | - Jian-Ding Qiu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, PR China; State Key Laboratory of Nuclear Resources and Environment, East China University of Technology (ECUT), Nanchang, 330013, PR China.
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5
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Naik VM, Waghmare RD, Gore AH, Anbhule PV, Kolekar GB. Greenish‐Yellow Emitting Carbon Dots as ‘On‐Off‐On’ Fluorescent Probe for Selective Determination of Mercury (II) and Sulphide Ions. ChemistrySelect 2022. [DOI: 10.1002/slct.202201193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Vaibhav M. Naik
- P. E. S.'s Ravi S. Naik College of Arts and Science Farmagudi Ponda-Goa 403401
- Fluorescence Spectroscopy Research Laboratory Department of Chemistry Shivaji University Kolhapur 416004, (MS India
| | - Ravindra D. Waghmare
- Fluorescence Spectroscopy Research Laboratory Department of Chemistry Shivaji University Kolhapur 416004, (MS India
| | - Anil H. Gore
- Tarsadia Institute of Chemical Science Uka Tarsadia University Bardoli Gujarat India
| | - Prashant V. Anbhule
- Fluorescence Spectroscopy Research Laboratory Department of Chemistry Shivaji University Kolhapur 416004, (MS India
| | - Govind B. Kolekar
- Fluorescence Spectroscopy Research Laboratory Department of Chemistry Shivaji University Kolhapur 416004, (MS India
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6
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Wang Y, Zeng S, Cui H, Li H, Li Z, Wang J, Chen Q. Reversible Chemical Protein Modification to Endogenous Glutathione and Its Utilities in the Manufacture of Transcellular Pro-Enzymes. Biomacromolecules 2022; 23:2138-2149. [PMID: 35471918 DOI: 10.1021/acs.biomac.2c00152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Proteins have been perceived as being an intriguing modality of therapeutics for the treatment of intractable diseases in view of their superlative precision and versatility. Nonetheless, proteins' intrinsic characters, particularly their being hydrophilic macromolecules with unmethodical charges, have imposed the exceeding challenge of seeking transcellular trafficking into cells' interiors. To circumvent this drawback, we have attempted to employ triple-functional amine-reactive 4-(2-((2-(((4-nitrophenoxy)carbonyl)oxy)ethyl)disulfaneyl)ethoxy)-4-oxobutanoic acid for the efficient incorporation of the anionic carboxyl moiety into amine-enriched enzymes, resulting in overall negatively charged pro-enzymes. The resulting pro-enzymes could be readily electrostatically assembled with cationic species [for instance: block copolymers of poly(ethylene glycol)-polylysine] into core-shell architectural delivery nanoparticles for their facilitated endocytosis into cells. Noteworthy is the aforementioned carboxylation chemistry designed to allow facile reversal of the pro-enzymes to the original amine groups due to the thiolysis of intermediate disulfide linkage for subsequent cascade reactions in response to the cytosol-enriched glutathione. Therefore, cytosol-selective structural disassembly for the liberation and activation of the pro-enzymes was accomplished. Our subsequent investigations utilizing ribonuclease A and catalase as the model enzymes demonstrated appreciable transcellular transportation of the active enzymes to the cell interiors, exerting overwhelming cytotoxic potencies and H2O2 scavenging capacities, respectively. Hence, we reported an unprecedented redox-stimulated charge reversal strategy in engineering cytosol-activatable pro-enzymes, manifesting a simple and efficient approach in the manufacture of transcellular proteinic therapeutics, which should be highlighted to promote their wide availability for use with diverse functional proteins as molecular biological tools and precision therapeutics.
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Affiliation(s)
- Yu Wang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China.,School of Bioengineering, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
| | - Shuang Zeng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China.,School of Bioengineering, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
| | - Hongyan Cui
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China.,School of Bioengineering, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
| | - Haidong Li
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China.,School of Bioengineering, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
| | - Zhen Li
- College of Pharmacy, Dalian Medical University, No. 9 West Section Lvshun South Road, Dalian 116044, China
| | - Jingyun Wang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China.,School of Bioengineering, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
| | - Qixian Chen
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China.,School of Bioengineering, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
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7
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Boruah A, Saikia BK. Chemical Fabrication of Efficient Blue‐luminescent Carbon Quantum Dots from Coal Washery Rejects (Waste) for Detection of Hg
2+
and Cr
6+
Ions in Water. ChemistrySelect 2022. [DOI: 10.1002/slct.202104567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Anusuya Boruah
- Coal & Energy Group Materials Science and Technology Division CSIR-North East Institute of Science and Technology Jorhat-785006 Assam India. Academy of Scientific and Innovative Research Ghaziabad 201002 India
| | - Binoy K. Saikia
- Coal & Energy Group Materials Science and Technology Division CSIR-North East Institute of Science and Technology Jorhat-785006 Assam India. Academy of Scientific and Innovative Research Ghaziabad 201002 India
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8
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Dual Fluorometric Detection of Fe 3+ and Hg 2+ Ions in an Aqueous Medium Using Carbon Quantum Dots as a "Turn-off" Fluorescence Sensor. J Fluoresc 2022; 32:1143-1154. [PMID: 35318547 DOI: 10.1007/s10895-022-02922-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 03/01/2022] [Indexed: 10/18/2022]
Abstract
The present study aimed to develop a carbon dots-based fluorescence (FL) sensor that can detect more than one pollutant simultaneously in the same aqueous solution. The carbon dots-based FL sensor has been prepared by employing a facile hydrothermal method using citric acid and ethylenediamine as precursors. The as-synthesized CDs displayed excellent hydrophilicity, good photostability and blue fluorescence under UV light. They have been used as an efficient "turn-off" FL sensor for dual sensing of Fe3+ and Hg2+ ions in an aqueous medium with high sensitivity and selectivity through a static quenching mechanism. The lowest limit of detection (LOD) for Fe3+ and Hg2+ ions was found to be 0.406 µM and 0.934 µM, respectively over the concentration range of 0-50 µM. Therefore, the present work provides an effective strategy to monitor the concentration of Fe3+ and Hg2+ ions simultaneously in an aqueous medium using environment-friendly CDs.
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9
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Harroun SG, Zhang Y, Lin YS, Chang HT. Surface-enhanced Raman spectroscopy and density functional theory study of thymine-1-acetic acid interaction with silver nanoparticles. CAN J CHEM 2022. [DOI: 10.1139/cjc-2021-0085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Thymine-1-acetic acid (TAA) is a modified nucleobase often used to add thymine functionality to materials. This study reports the Raman band assignments for TAA by comparing its experimental and density functional theory (DFT) simulated Raman spectra. Further comparison of experimental surface-enhanced Raman spectroscopy (SERS) of TAA on silver nanoparticles (Ag NPs) with simulated spectra of various complexes of xAg+ (x = 1, 2, or 3) and TAA reveals its likely adsorption orientation on the Ag NPs. This is one of the few studies that has achieved reasonably accurate simulation of SERS by employing multiple unconnected Ag+ ions, which could represent a compromise between a single atom or ion on one hand and a computationally expensive cluster on the other.
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Affiliation(s)
- Scott G. Harroun
- Département de chimie, Université de Montréal, Montreal, QC H3C 3J7, Canada
| | - Yaoting Zhang
- Department of Chemistry, Queen’s University, Kingston, ON K7L 3N6, Canada
| | - Yu-Syuan Lin
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Huan-Tsung Chang
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
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10
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A carbon-based fluorescent probe (N-CDs) encapsulated in a zeolite matrix (NaFZ) for ultrasensitive detection of Hg (II) in fish. Talanta 2021; 234:122646. [PMID: 34364455 DOI: 10.1016/j.talanta.2021.122646] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 06/16/2021] [Accepted: 06/18/2021] [Indexed: 11/23/2022]
Abstract
In this work, a novel strategy was addressed to fabricate new sensing probe (N-CDs@NaFZ) from nitrogen doped carbon dots (N-CDs) confined in Al-free ferrisilicates zeolite (NaFZ) by hydrothermal/solvothermal method. The probe was systematically characterized by HR-TEM, FTIR, energy dispersive X-ray (EDX), powder X-ray diffraction, and UV-Vis absorption and fluorescence spectrophotometers. Characterization of the designed nanocomposite template N-CDs@NaFZ by fluorescence spectrum demonstrates a variety of important conducts as stability improvements, reasonable dispersibility in water, highly emission intensity enhancement at 435 nm when excited at 340 nm, excitation independent fluorescence behaviors, great quantum yield percentage of 91.2%, and narrow size distribution 12 nm, as a nano-space confinement effect of zeolite effectively increase the rigidity of N-CDs. Based on the fluorescence quenching mechanism, the designed approach exhibits an excellent selectivity and good sensitive response to the presence of Hg(II) ions under ambient temperature, with a wide linear range of 0.1-1500 nM and lower detection limits of 5.5 pM. Influences of variables pH and incubation time were optimized. The N-CDs@NaFZ sensor was effectively applied for the detection of Hg(II) ions in the farmed and wild rainbow trout fishes, and the results are in reasonable agreement when compared with that obtained by the cold vapor atomic absorption method.
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11
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Thymine-Functionalized Gold Nanoparticles (Au NPs) for a Highly Sensitive Fiber-Optic Surface Plasmon Resonance Mercury Ion Nanosensor. NANOMATERIALS 2021; 11:nano11020397. [PMID: 33557300 PMCID: PMC7916032 DOI: 10.3390/nano11020397] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 01/29/2021] [Accepted: 01/29/2021] [Indexed: 01/08/2023]
Abstract
Mercury ion (Hg2+) is considered to be one of the most toxic heavy metal ions. Once the content of Hg2+ exceeds the quality standard in drinking water, the living environment and health of human beings will be threatened and destroyed. Therefore, the establishment of simple and efficient methods for Hg2+ ion detection has important practical significance. In this paper, we present a highly sensitive and selective fiber-optic surface plasmon resonance (SPR) Hg2+ ion chemical nanosensor by designing thymine (T)-modified gold nanoparticles (Au NPs/T) as the signal amplification tags. Thymine-1-acetic acid (T-COOH) was covalently coupled to the surface of 2-aminoethanethiol (AET)-modified Au NPs and Au film by 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride/N-Hydroxysuccinimide (EDC/NHS) activation effect, respectively. In the presence of Hg2+ ions, the immobilized thymine combines specifically with Hg2+ ions, and forms an Au/thymine-Hg2+-thymine/Au (Au/T-Hg2+-T/Au) complex structure, leading to a shift in SPR wavelength due to the strong electromagnetic couple between Au NPs and Au film. Under optimal conditions, the proposed sensor was found to be highly sensitive to Hg2+ in the range of 80 nM–20 µM and the limit of detection (LOD) for Hg2+ was as low as 9.98 nM. This fiber-optic SPR sensor afforded excellent selectivity for Hg2+ ions against other heavy metal ions such as Fe3+, Cu2+, Ni2+, Ba2+, K+, Na+, Pb2+, Co2+, and Zn2+. In addition, the proposed sensor was successfully applied to Hg2+ assay in real environmental samples with excellent recovery. Accordingly, considering its simple advantages, this novel strategy provides a potential platform for on-site determination of Hg2+ ions by SPR sensor.
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12
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Ghosh Dastidar D, Mukherjee P, Ghosh D, Banerjee D. Carbon quantum dots prepared from onion extract as fluorescence turn-on probes for selective estimation of Zn2+ in blood plasma. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125781] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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Hao X, Dai S, Wang J, Fang Z. Synthesis of blue fluorescent carbon dots and their application in detecting mercury and iodine based on "off-on" mode. LUMINESCENCE 2021; 36:721-732. [PMID: 33300263 DOI: 10.1002/bio.3993] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/25/2020] [Accepted: 12/06/2020] [Indexed: 12/15/2022]
Abstract
In this study, a type of blue-emission fluorescent carbon dot was synthesized using malic acid, urea, and water. This material demonstrates strong stability to heat, ionic strength, and time. It was found that mercury ions can quench the blue fluorescence of the material, and using iodine ions, the fluorescence can be recovered. Hence, we designed an "off-on" mode to detect mercury and iodine ions using the carbon dots. The results showed that this material exhibits good selectivity and recovery rate. Concurrently, imaging experiments showed that this material demonstrates low cytotoxicity and can be used in cell fluorescence imaging. The study concludes that this material has wider application prospects in the future.
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Affiliation(s)
- Xiaoliang Hao
- College of Chemical Engineering, University of Science and Technology Liaoning, Anshan, China
| | - Shujuan Dai
- College of Mining Engineering, University of Science and Technology Liaoning, Anshan, China
| | - Jing Wang
- College of Chemical Engineering, University of Science and Technology Liaoning, Anshan, China
| | - Zhigang Fang
- College of Chemical Engineering, University of Science and Technology Liaoning, Anshan, China
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14
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Das S, Ngashangva L, Goswami P. Carbon Dots: An Emerging Smart Material for Analytical Applications. MICROMACHINES 2021; 12:84. [PMID: 33467583 PMCID: PMC7829846 DOI: 10.3390/mi12010084] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/09/2021] [Accepted: 01/12/2021] [Indexed: 12/16/2022]
Abstract
Carbon dots (CDs) are optically active carbon-based nanomaterials. These nanomaterials can change their light emission properties in response to various external stimuli such as pH, temperature, pressure, and light. The CD's remarkable stimuli-responsive smart material properties have recently stimulated massive research interest for their exploitation to develop various sensor platforms. Herein, an effort has been made to review the major advances made on CDs, focusing mainly on its smart material attributes and linked applications. Since the CD's material properties are largely linked to their synthesis approaches, various synthesis methods, including surface passivation and functionalization of CDs and the mechanisms reported so far in their photophysical properties, are also delineated in this review. Finally, the challenges of using CDs and the scope for their further improvement as an optical signal transducer to expand their application horizon for developing analytical platforms have been discussed.
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Affiliation(s)
| | | | - Pranab Goswami
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India; (S.D.); (L.N.)
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15
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Hydroxyl rich graphene quantum dots for the determination of Hg(II) in the presence of large concentration of major interferents and in living cells. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104915] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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16
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Ye Z, Zhang Y, Li G, Li B. Fluorescent Determination of Mercury(II) by Green Carbon Quantum Dots Synthesized from Eggshell Membrane. ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1759618] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Zhiguo Ye
- Engineering Research Center of Electrochemical Technology and Application, School of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, China
| | - Yanhui Zhang
- Engineering Research Center of Electrochemical Technology and Application, School of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, China
| | - Guixin Li
- Engineering Research Center of Electrochemical Technology and Application, School of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, China
| | - Baoxin Li
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, China
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17
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V. R, Gujar V, Pathan H, Islam S, Tawre M, Pardesi K, Santra MK, Ottoor D. Bioimaging Applications of Carbon dots (C. dots) and its Cystamine Functionalization for the Sensitive Detection of Cr(VI) in Aqueous Samples. J Fluoresc 2019; 29:1381-1392. [DOI: 10.1007/s10895-019-02448-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 10/01/2019] [Indexed: 01/05/2023]
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18
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Supchocksoonthorn P, Thongsai N, Moonmuang H, Kladsomboon S, Jaiyong P, Paoprasert P. Label-free carbon dots from black sesame seeds for real-time detection of ammonia vapor via optical electronic nose and density functional theory calculation. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.04.087] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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19
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Yahyazadeh E, Shemirani F. Easily synthesized carbon dots for determination of mercury(II) in water samples. Heliyon 2019; 5:e01596. [PMID: 31193159 PMCID: PMC6520557 DOI: 10.1016/j.heliyon.2019.e01596] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/08/2019] [Accepted: 04/25/2019] [Indexed: 12/27/2022] Open
Abstract
In this work, a simple thermal method was used to synthesize carbon dots from citric acid and glycine precursors. It was found that Hg(II) ions can selectively quench the fluorescence emission of these carbon dots. Subsequently, a sensor was designed and optimized for the determination of Hg(II) ions. The limit of detection and quantification of the sensor were found to be 38 and 112 ppb, respectively. The sensor showed good selectivity toward Hg(II) ions and was successfully used for the determination of Hg(II) ions in mineral water samples.
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Affiliation(s)
| | - Farzaneh Shemirani
- School of Chemistry, College of Science, University of Tehran, P.O. Box 14155-6455, Tehran, Iran
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20
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Park HJ, Lee SS. Strategic Approaches for Highly Selective and Sensitive Detection of Hg 2+ Ion Using Mass Sensitive Sensors. ANAL SCI 2019; 35:883-888. [PMID: 31006718 DOI: 10.2116/analsci.19p070] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Here we present a quartz crystal microbalance (QCM) sensor for the highly selective and sensitive detection of Hg2+ ion, a toxic chemical species and a hazardous environmental contaminant. Hg2+ ion can be quantitatively measured based on changes in the resonance frequency of QCM following mass changes on the QCM sensor surface. The high selectivity for Hg2+ ion in this study can be obtained using a thymine-Hg2+-thymine pair, which is more stable than the adenine-thymine base pair in DNA. On the other hand, gold nanoparticles (AuNPs) and their size-enhancement techniques were used to amplify the QCM signals to increase the sensitivity for Hg2+ ion. With this strategic approach, the proposed QCM sensor can be used to quantitatively analyze Hg2+ ion with high selectivity and sensitivity. The detection limit was as low as 98.7 pM. The sensor failed to work with other metal ions at concentrations 1000-times higher than that of the Hg2+ ion. Finally, the recovery does not exceed 10% of the original value for the detection of Hg2+ ion in tap and bottled water. The results indicate acceptable accuracy and precision for practical applications.
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Affiliation(s)
- Hyeoun Ji Park
- Department of Pharmaceutical Engineering, Soonchunhyang University
| | - Soo Suk Lee
- Department of Pharmaceutical Engineering, Soonchunhyang University
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21
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Wu XJ, Kong F, Zhao CQ, Ding SN. Ratiometric fluorescent nanosensors for ultra-sensitive detection of mercury ions based on AuNCs/MOFs. Analyst 2019; 144:2523-2530. [DOI: 10.1039/c8an02414f] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Ratiometric fluorescent nanosensors were developed to detect mercury ions (Hg2+) using enhanced dual emissions from glutathione stabilized gold nanoclusters/indium-based metal–organic frameworks modified with cysteine (AuNCs/MIL-68(In)-NH2/Cys).
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Affiliation(s)
- Xi-Jin Wu
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- China
| | - Fan Kong
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- China
| | - Chun-Qin Zhao
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- China
| | - Shou-Nian Ding
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- China
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22
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Fabrication of poly (4,4′-oxybisbenzenamine) and its conjugated copolymers initiated by easily accessible carbon dots. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.09.050] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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23
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Chan KK, Yap SHK, Yong KT. Biogreen Synthesis of Carbon Dots for Biotechnology and Nanomedicine Applications. NANO-MICRO LETTERS 2018; 10:72. [PMID: 30417004 PMCID: PMC6208800 DOI: 10.1007/s40820-018-0223-3] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 09/02/2018] [Indexed: 05/14/2023]
Abstract
Over the past decade, carbon dots have ignited a burst of interest in many different fields, including nanomedicine, solar energy, optoelectronics, energy storage, and sensing applications, owing to their excellent photoluminescence properties and the easiness to modify their optical properties through doping and functionalization. In this review, the synthesis, structural and optical properties, as well as photoluminescence mechanisms of carbon dots are first reviewed and summarized. Then, we describe a series of designs for carbon dot-based sensors and the different sensing mechanisms associated with them. Thereafter, we elaborate on recent research advances on carbon dot-based sensors for the selective and sensitive detection of a wide range of analytes, including heavy metals, cations, anions, biomolecules, biomarkers, nitroaromatic explosives, pollutants, vitamins, and drugs. Lastly, we provide a concluding perspective on the overall status, challenges, and future directions for the use of carbon dots in real-life sensing.
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Affiliation(s)
- Kok Ken Chan
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Stephanie Hui Kit Yap
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Ken-Tye Yong
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
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