1
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Khan A, Meena VK, Silswal A, Koner AL. A perylenemonoimide-based fluorescent probe: ultrasensitive and selective tracing of endogenous peroxynitrite in living cells. Analyst 2023; 148:5851-5855. [PMID: 37881949 DOI: 10.1039/d3an01469j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Peroxynitrite (ONOO-), a highly reactive species, plays a key role in various physiological and pathological processes. Herein, a red-emitting fluorescent reporter perylenemonoimide-boronate ester (PMI-BE) was synthesized and utilized for ultrasensitive detection of ONOO-. The unique feature of PMI-BE is its nanomolar sensitivity with high selectivity towards ONOO-. Moreover, PMI-BE also detects endogenously generated ONOO- in live cells.
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Affiliation(s)
- Aasif Khan
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
| | - Vinod Kumar Meena
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
| | - Akshay Silswal
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
| | - Apurba Lal Koner
- Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
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2
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Khan Z, Sekar N. Deep Red to NIR Emitting Xanthene Hybrids: Xanthene‐Hemicyanine Hybrids and Xanthene‐Coumarin Hybrids. ChemistrySelect 2023. [DOI: 10.1002/slct.202203377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Zeba Khan
- Department of Dyestuff Technology (Currently named as Department of Specialty Chemicals Technology) Institute of Chemical Technology, Matunga (E) Mumbai Maharashtra India, PIN 400019
| | - Nagaiyan Sekar
- Department of Dyestuff Technology (Currently named as Department of Specialty Chemicals Technology) Institute of Chemical Technology, Matunga (E) Mumbai Maharashtra India, PIN 400019
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3
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Kantarod K, Soorukram D, Kuhakarn C, Surawatanawong P, Wattanathana W, Reutrakul V, Leowanawat P. Color-tunable emissive heptagon-embedded polycyclic aromatic dicarboximides. Chem Commun (Camb) 2022; 58:9468-9471. [PMID: 35894790 DOI: 10.1039/d2cc03461a] [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
Heptagon-embedded polycyclic aromatic dicarboximides were developed as new push-pull fluorescent dyes through palladium-catalysed [4+3] annulation followed by nucleophilic substitution. The introduction of a seven-membered ring in these push-pull systems can efficiently modulate the optical properties leading to an enhancement of the fluorescence quantum yields up to 0.93 with color tunable emission covering the visible-NIR spectrum.
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Affiliation(s)
- Kritchasorn Kantarod
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand.
| | - Darunee Soorukram
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand.
| | - Chutima Kuhakarn
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand.
| | - Panida Surawatanawong
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand.
| | - Worawat Wattanathana
- Department of Materials Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
| | - Vichai Reutrakul
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand.
| | - Pawaret Leowanawat
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand.
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4
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Somashekharappa GM, Paul M, Govind C, Mathew R, Karunakaran V. Ultrafast Intermolecular Interaction Dynamics between NIR-Absorbing Unsymmetrical Squaraines and PCBM: Effects of Halogen Substitution. J Phys Chem B 2022; 126:4509-4519. [PMID: 35679578 DOI: 10.1021/acs.jpcb.1c10840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Among near-infrared (NIR) dyes, squaraine derivatives are applied as efficient sensitizers in optoelectronic and biomedical devices due to their simple synthesis, intense absorption, and emission and exceptional photochemical stability. The fundamental understanding of the structure-property relationships of sensitizers provides the insight to increase the efficiency of such devices. Here, unsymmetrical squaraine derivatives (ABSQs) with donor-acceptor-donor (D-A-D') architectures having N,N-dimethyl amino anthracene and benzothiazole (ABSQ-H) halogenated with fluoride (ABSQ-F), chloride (ABSQ-Cl), and bromide (ABSQ-Br) were synthesized to understand the effect of halogen on the photophysical properties and intermolecular interaction dynamics with phenyl-C61-butyric acid methyl ester (PCBM), which is used widely as an electron acceptor in bulk heterojunction-based devices. Interestingly, ABSQ-H exhibited intense absorption (ε ∼ 6.72 × 104 M-1 cm-1) spectra centered at ∼660 nm. Upon halogen substitution, a bathochromic shift in the absorption spectra with an increase of molar absorptivity was observed (ε ∼ 8.59 × 104 M-1 cm-1), which is beneficial for NIR light harvesting. The femtosecond transient absorption spectra of ABSQs revealed that the polarity of the solvent controlled the excited-state relaxation dynamics. Upon addition of PCBM, the fluorescence intensity and dynamics of halogenated ABSQs were quenched, and the formation of a squaraine radical cation was observed, reflecting the occurrence of intermolecular charge-transfer dynamics between ABSQs and PCBM. Thus, the observation of a bathochromic shift with intense absorption and an efficient intermolecular interaction with PCBM upon halogenation of ABSQs provide a design strategy for the development of unsymmetrical squaraine derivatives for bulk heterojunction-based optoelectronic devices.
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Affiliation(s)
- Guruprasad M Somashekharappa
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Megha Paul
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Chinju Govind
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ranimol Mathew
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Venugopal Karunakaran
- Photosciences and Photonics Section, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695 019, Kerala, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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5
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Roy R, Khan A, Dutta T, Koner AL. Red to NIR-emissive anthracene-conjugated PMI dyes with dual functions: singlet-oxygen response and lipid-droplet imaging. J Mater Chem B 2022; 10:5352-5363. [PMID: 35583595 DOI: 10.1039/d2tb00349j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The rich chemistry of solution-processable red and near-infrared (NIR) organic emitters has emerged as an attractive and progressive research field because of their particular applications in organic optoelectronics and bioimaging. Also, one can see that the research area of perylene monoimide-based red and NIR-emissive fluorophores is underexplored, which prompted us to design and synthesize three anthracene-conjugated PMI dyes exhibiting strong emission in the red and NIR window in solution. Three PMI-based fluorophores were synthesized via conjoining anthracene and donor moieties (-Ph, -N,N-PhNMe2) with a PMI core via an acetylene linkage at the peri-position, which helped to attain extensive electronic conjugation, which was reflected in red and NIR-emission in solution. The key molecular features to be highlighted here are: all three dyes are strongly emissive in solution, as unveiled by the excellent absolute fluorescence QYs; and they possess tuneable emission properties, guided by the donor strength and a profound Stokes shift (100-200 nm). The three fluorescent dyes demonstrated appreciable singlet-oxygen (1O2) sensitivity when photoirradiated with methylene blue (MB) in solution, showing a substantial blue-shift in emission in a ratiometric manner. Further, the treatment of dye-MB solution with α-tocopherol (1O2 scavenger) validated the presence of 1O2 as the only oxidizing species generated by MB in solution. Computational investigations gave insight into the twisting of donor moieties in their ground-state optimized geometries, the modulation of the FMO energy gap, and the thermodynamic feasibility of the 1O2 reaction. Finally, via taking advantage of the red and NIR-emission, we successfully utilized one of the fluorophores as a lipid-droplet marker for bioimaging in HepG2 cells.
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Affiliation(s)
- Rupam Roy
- Bionanotechnology Laboratory, Department of Chemistry Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
| | - Aasif Khan
- Bionanotechnology Laboratory, Department of Chemistry Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
| | - Tanoy Dutta
- Bionanotechnology Laboratory, Department of Chemistry Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
| | - Apurba Lal Koner
- Bionanotechnology Laboratory, Department of Chemistry Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, Madhya Pradesh, India.
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6
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Mohd Yusof Chan NN, Idris A, Zainal Abidin ZH, Tajuddin HA, Abdullah Z. White light employing luminescent engineered large (mega) Stokes shift molecules: a review. RSC Adv 2021; 11:13409-13445. [PMID: 35423891 PMCID: PMC8697633 DOI: 10.1039/d1ra00129a] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 05/14/2021] [Accepted: 03/03/2021] [Indexed: 12/14/2022] Open
Abstract
Large (mega) Stokes shift molecules have shown great potential in white light emission for optoelectronic applications, such as flat panel display technology, light-emitting diodes, photosensitizers, molecular probes, cellular and bioimaging, and other applications. This review aims to summarize recent developments of white light generation that incorporate a large Stokes shift component, key approaches to designing large Stokes shift molecules, perspectives on future opportunities, and remaining challenges confronting this emerging research field. After a brief introduction of feasible pathways in generating white light, exemplifications of large Stokes shift molecules as white light candidates from organic and inorganic-based materials are illustrated. Various possible ways to design such molecules have been revealed by integrating the photophysical mechanisms that are essential to produce red-shifted emission upon photoexcitation, such as excited state intramolecular proton transfer (ESIPT), intramolecular charge transfer (ICT), excited state geometrical relaxation or structural deformation, aggregation-induced emission (AIE) alongside the different formations of aggregates, interplay between monomer and excimer emission, host-guest interaction, and lastly metal to ligand charge transfer (MLCT) via harvesting triplet state. Furthermore, previously reported fluorescent materials are described and categorized based on luminescence behaviors on account of the Stokes shifts value. This review will serve as a rationalized introduction and reference for researchers who are interested in exploring large or mega Stokes shift molecules, and will motivate new strategies along with instigation of persistent efforts in this prominent subject area with great avenues.
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Affiliation(s)
- Nadia Nabihah Mohd Yusof Chan
- Department of Chemistry, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia
- Centre for Ionics University of Malaya, Department of Physics, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia
| | - Azila Idris
- Department of Chemistry, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia
| | - Zul Hazrin Zainal Abidin
- Centre for Ionics University of Malaya, Department of Physics, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia
| | - Hairul Anuar Tajuddin
- Department of Chemistry, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia
| | - Zanariah Abdullah
- Department of Chemistry, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia
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7
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Costabel D, Skabeev A, Nabiyan A, Luo Y, Max JB, Rajagopal A, Kowalczyk D, Dietzek B, Wächtler M, Görls H, Ziegenbalg D, Zagranyarski Y, Streb C, Schacher FH, Peneva K. 1,7,9,10-Tetrasubstituted PMIs Accessible through Decarboxylative Bromination: Synthesis, Characterization, Photophysical Studies, and Hydrogen Evolution Catalysis. Chemistry 2021; 27:4081-4088. [PMID: 33241590 PMCID: PMC7986912 DOI: 10.1002/chem.202004326] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/04/2020] [Indexed: 01/01/2023]
Abstract
In this work, we present a new synthetic strategy for fourfold-substituted perylene monoimides via tetrabrominated perylene monoanhydrides. X-ray diffraction analysis unveiled the intramolecular stacking orientation between the substituents and semicircular packing behavior. We observed the remarkable influence of the substituent on the longevity and nature of the excited state upon visible light excitation. In the presence of poly(dehydroalanine)-graft-poly(ethylene glycol) graft copolymers as solubilizing template, the chromophores are capable of sensitizing [Mo3 S13 ]2- clusters in aqueous solution for stable visible light driven hydrogen evolution over three days.
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Affiliation(s)
- Daniel Costabel
- Institute of Organic Chemistry and Macromolecular ChemistryFriedrich Schiller University JenaLessingstraße 807743JenaGermany
| | - Artem Skabeev
- Institute of Organic Chemistry and Macromolecular ChemistryFriedrich Schiller University JenaLessingstraße 807743JenaGermany
| | - Afshin Nabiyan
- Institute of Organic Chemistry and Macromolecular ChemistryFriedrich Schiller University JenaLessingstraße 807743JenaGermany
| | - Yusen Luo
- Institute of Physical ChemistryAbbe Center of PhotonicsFriedrich Schiller University JenaHelmholtzweg 407743JenaGermany
| | - Johannes B. Max
- Institute of Organic Chemistry and Macromolecular ChemistryFriedrich Schiller University JenaLessingstraße 807743JenaGermany
| | - Ashwene Rajagopal
- Institute of Inorganic Chemistry 1Ulm UniversityAlbert-Einstein-Allee 1189081UlmGermany
| | - Daniel Kowalczyk
- Institute of Chemical EngineeringUlm UniversityAlbert-Einstein-Allee 1189081UlmGermany
| | - Benjamin Dietzek
- Institute of Physical ChemistryAbbe Center of PhotonicsFriedrich Schiller University JenaHelmholtzweg 407743JenaGermany
- Department of Functional InterfacesLeibniz Institute of Photonic Technology JenaAlbert-Einstein-Straße 907745JenaGermany
- Center for Energy and Environmental Chemistry Jena andJena Center of Soft MatterFriedrich Schiller University JenaPhilosophenweg 7a07743JenaGermany
| | - Maria Wächtler
- Institute of Physical ChemistryAbbe Center of PhotonicsFriedrich Schiller University JenaHelmholtzweg 407743JenaGermany
- Department of Functional InterfacesLeibniz Institute of Photonic Technology JenaAlbert-Einstein-Straße 907745JenaGermany
| | - Helmar Görls
- Institute of Inorganic and Analytical ChemistryFriedrich Schiller University JenaHumboldt Straße 807743JenaGermany
| | - Dirk Ziegenbalg
- Institute of Chemical EngineeringUlm UniversityAlbert-Einstein-Allee 1189081UlmGermany
| | - Yulian Zagranyarski
- Faculty of Chemistry and PharmacySofia University “St. Kliment Ohridski”1 James Bourchier Blvd.1164SofiaBulgaria
| | - Carsten Streb
- Institute of Inorganic Chemistry 1Ulm UniversityAlbert-Einstein-Allee 1189081UlmGermany
| | - Felix H. Schacher
- Institute of Organic Chemistry and Macromolecular ChemistryFriedrich Schiller University JenaLessingstraße 807743JenaGermany
- Center for Energy and Environmental Chemistry Jena andJena Center of Soft MatterFriedrich Schiller University JenaPhilosophenweg 7a07743JenaGermany
| | - Kalina Peneva
- Institute of Organic Chemistry and Macromolecular ChemistryFriedrich Schiller University JenaLessingstraße 807743JenaGermany
- Center for Energy and Environmental Chemistry Jena andJena Center of Soft MatterFriedrich Schiller University JenaPhilosophenweg 7a07743JenaGermany
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8
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Kovalev IS, Sadieva LK, Taniya OS, Yurk VM, Minin AS, Santra S, Zyryanov GV, Charushin VN, Chupakhin ON, Tsurkan MV. Computer vision vs. spectrofluorometer-assisted detection of common nitro-explosive components with bola-type PAH-based chemosensors. RSC Adv 2021; 11:25850-25857. [PMID: 35479431 PMCID: PMC9037216 DOI: 10.1039/d1ra03108b] [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: 04/21/2021] [Accepted: 07/01/2021] [Indexed: 11/23/2022] Open
Abstract
Computer vision (CV) algorithms are widely utilized in imaging processing for medical and personal electronics applications. In sensorics CV can provide a great potential to quantitate chemosensors' signals. Here we wish to describe a method for the CV-assisted spectrofluorometer-free detection of common nitro-explosive components, e.g. 2,4-dinitrotoluene (DNT) and 2,4,6-trinitrotoluene (TNT), by using polyaromatic hydrocarbon (PAH, PAH = 1-pyrenyl or 9-anthracenyl) – based bola-type chemosensors. The PAH components of these chemical bolas are able to form stable, bright emissive in a visual wavelength region excimers, which allows their use as extended matrices of the RGB colors after imaging and digital processing. In non-polar solvents, the excimers have poor chemosensing properties, while in aqueous solutions, due to the possible micellar formation, these excimers provide “turn-off” fluorescence detection of DNT and TNT in the sub-nanomolar concentrations. A combination of these PAH-based fluorescent chemosensors with the proposed CV-assisted algorithm offers a fast and convenient approach for on-site, real-time, multi-thread analyte detection without the use of fluorometers. Although we focus on the analysis of nitro-explosives, the presented method is a conceptual work describing a general use of CV for quantitative fluorescence detection of various analytes as a simpler alternative to spectrofluorometer-assisted methods. Simplified computer vision-assisted algorithm for the excimer fluorescence "turn-off" detection of nitro-analytes in aqueous media is described.![]()
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Affiliation(s)
- Igor S. Kovalev
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
| | - Leila K. Sadieva
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
| | - Olga S. Taniya
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
| | - Victoria M. Yurk
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
| | - Artem S. Minin
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- M. N. Mikheev Institute of Metal Physics
- Ural Branch of the Russian Academy of Sciences
| | - Sougata Santra
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
| | - Grigory V. Zyryanov
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
| | - Valery N. Charushin
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
| | - Oleg N. Chupakhin
- Ural Federal University named after the first President of Russia B. N. Yeltsin
- Yekaterinburg
- Russian Federation
- I. Ya. Postovskiy Institute of Organic Synthesis
- Ural Division of the Russian Academy of Sciences
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9
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Roy R, Sajeev NR, Sharma V, Koner AL. Aggregation Induced Emission Switching Based Ultrasensitive Ratiometric Detection of Biogenic Diamines Using a Perylenediimide-Based Smart Fluoroprobe. ACS APPLIED MATERIALS & INTERFACES 2019; 11:47207-47217. [PMID: 31738046 DOI: 10.1021/acsami.9b14690] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In recent years, the widely explored phenomenon "aggregation-induced emission (AIE)" has played a crucial role in the development of luminescent materials for light-emitting applications. In the same direction, the contribution of its sister concept "AIE switching" has been impressive. In comparison, the application of this concept in the field of biosensing or bioimaging is still in its infancy. Therefore, to shed light into the sensing of bioanalytes, we have developed a new perylenediimide (PDI)-based small fluorescent probe, benzoannulated PDI (Bp(Im)2MA), that selectively detects diamines and biogenic amines (BAs) in solution via an "AIE-switching" phenomenon. The synthesized probe containing the bay-annulated anhydride moiety exhibits strong cyan emission in solution. In the mechanism, we have shown that the terminal free amine group of BAs readily reacts with a highly reactive anhydride moiety, which opens the cyclic anhydride moiety. In the open conformation, the free amine group along with a carboxylate group modulates the polarity of the system strikingly. Because of this induced polarity, the monomer of Bp(Im)2MA-BAs conjugate aggregated in solution, thereby exhibiting a significant change in emission property in solution. This method may also be called a very simple and straightforward "naked eye" detection of BAs in solution, with a nanomolar detection limit. A detailed spectroscopic and microscopic investigation demonstrated the existence of the aggregated state. As the reporter dye also emits strongly in the solid state (yellowish orange), it therefore instantly made vapor-phase detection of BAs feasible. Finally, this vapor-phase detection of BAs by the probe was applied very effectively in the determination of spoilage of raw fish.
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Affiliation(s)
- Rupam Roy
- Bionanotechonlogy Lab, Department of Chemistry , Indian Institute of Science Education and Research Bhopal , Bhopal Bypass Road , Bhauri, Bhopal , Madhya Pradesh , India
| | - Nihara R Sajeev
- Bionanotechonlogy Lab, Department of Chemistry , Indian Institute of Science Education and Research Bhopal , Bhopal Bypass Road , Bhauri, Bhopal , Madhya Pradesh , India
| | - Vikas Sharma
- Bionanotechonlogy Lab, Department of Chemistry , Indian Institute of Science Education and Research Bhopal , Bhopal Bypass Road , Bhauri, Bhopal , Madhya Pradesh , India
| | - Apurba Lal Koner
- Bionanotechonlogy Lab, Department of Chemistry , Indian Institute of Science Education and Research Bhopal , Bhopal Bypass Road , Bhauri, Bhopal , Madhya Pradesh , India
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10
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Zhang S, Ailneni C, Al-Mohammed Baqer O, Lolla M, Mannava BB, Siraswal P, Yen C, Jin J. Diorganyl tellurides as substrates in Sonogashira coupling reactions under mild conditions. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1692224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Shaozhong Zhang
- Department of Chemistry, Western Illinois University, Macomb, IL, USA
| | - Chandra Ailneni
- Department of Chemistry, Western Illinois University, Macomb, IL, USA
| | | | - Mahati Lolla
- Department of Chemistry, Western Illinois University, Macomb, IL, USA
| | | | | | - Changchi Yen
- Department of Chemistry, Western Illinois University, Macomb, IL, USA
| | - Jin Jin
- Department of Chemistry, Western Illinois University, Macomb, IL, USA
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