1
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Shiraishi Y, Oshima T, Hirai T. Isomerization, Protonation, and Hydrolysis Properties of Naphthalimide-Containing Spiropyran in Aqueous Media. J Phys Chem B 2024; 128:8797-8806. [PMID: 39215717 DOI: 10.1021/acs.jpcb.4c03894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Synthesis of spiropyrans exhibiting ring-opening/closing isomerization driven by external stimuli is a challenging subject for the development of molecular sensors. A napthalimide-containing spiropyran (1) promotes rapid isomerization between the spirocyclic (SP) form and ring-opened merocyanine (MC) form by the change in solvent polarity even under the dark condition at room temperature. In this work, the effect of water on the isomerization behavior of 1 was studied. The addition of water caused an MC-water H-bonding interaction and shifted the resonance MC structure to the zwitterionic form with a lower ground-state energy. The stabilized MC form promoted spontaneous SP → MC isomerization and increased the equilibrium MC concentration. The effect of pH on the behavior of 1 was also studied. In acidic-neutral media, protonation/deprotonation of the naphthalimide moiety led to rapid and reversible changes in the absorption spectra. In contrast, strongly basic media (pH > 12) promoted irreversible base-catalyzed hydrolysis of the alkene moiety.
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Affiliation(s)
- Yasuhiro Shiraishi
- Research Center for Solar Energy Chemistry and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita 565-0871, Japan
| | - Taku Oshima
- Research Center for Solar Energy Chemistry and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
| | - Takayuki Hirai
- Research Center for Solar Energy Chemistry and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
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2
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Chen H, Tang Z, Yang Y, Hao Y, Chen W. Recent Advances in Photoswitchable Fluorescent and Colorimetric Probes. Molecules 2024; 29:2521. [PMID: 38893396 PMCID: PMC11173890 DOI: 10.3390/molecules29112521] [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: 04/28/2024] [Revised: 05/24/2024] [Accepted: 05/25/2024] [Indexed: 06/21/2024] Open
Abstract
In recent years, significant advancements have been made in the research of photoswitchable probes. These probes undergo reversible structural and electronic changes upon light exposure, thus exhibiting vast potential in molecular detection, biological imaging, material science, and information storage. Through precisely engineered molecular structures, the photoswitchable probes can toggle between "on" and "off" states at specific wavelengths, enabling highly sensitive and selective detection of targeted analytes. This review systematically presents photoswitchable fluorescent and colorimetric probes built on various molecular photoswitches, primarily focusing on the types involving photoswitching in their detection and/or signal response processes. It begins with an analysis of various molecular photoswitches, including their photophysical properties, photoisomerization and photochromic mechanisms, and fundamental design concepts for constructing photoswitchable probes. The article then elaborates on the applications of these probes in detecting diverse targets, including cations, anions, small molecules, and biomacromolecules. Finally, it offers perspectives on the current state and future development of photoswitchable probes. This review aims to provide a clear introduction for researchers in the field and guidance for the design and application of new, efficient fluorescent and colorimetric probes.
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Affiliation(s)
- Hongjuan Chen
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (H.C.); (Y.Y.)
| | - Zilong Tang
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (H.C.); (Y.Y.)
| | - Yewen Yang
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (H.C.); (Y.Y.)
| | - Yuanqiang Hao
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (H.C.); (Y.Y.)
| | - Wansong Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410017, China
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3
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Shiraishi Y, Yomo K, Hirai T. Polarity-Driven Isomerization of a Hydroxynaphthalimide-Containing Spiropyran at Room Temperature. ACS PHYSICAL CHEMISTRY AU 2023; 3:290-298. [PMID: 37249936 PMCID: PMC10214515 DOI: 10.1021/acsphyschemau.2c00067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/11/2023] [Accepted: 01/23/2023] [Indexed: 05/31/2023]
Abstract
Design of spiropyrans showing spontaneous isomerization driven by the polarity of solvents is an important consideration for the synthesis of optical sensory materials. Although some spiropyrans undergo polarity-driven isomerization, they must be heated owing to the high activation energy required for isomerization. In this study, we describe that a spiropyran containing a hydroxynaphthalimide unit (1) exhibits a polarity-driven isomerization at room temperature. It exists as a colorless spirocyclic (SP) form in less polar solvents but is isomerized to a colored merocyanine (MC) form in polar solvents. The equilibrium amount of the MC form increases with an increase in the polarity of solvents. The MC form involves two resonance structures-the quinoidal and zwitterionic forms. In polar media, the zwitterionic form dominates mainly owing to solvation by polar molecules. Solvation stabilizes the negative charge of the zwitterionic form and decreases its ground state energy, thereby enhancing SP → MC isomerization. The SP ⇌ MC isomerization terminates within barely 30 s even at room temperature because the naphthol moiety with high π-electron density lowers the activation energy for the rate-determining rotational step.
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4
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Yang Y, Zhao H, Li Y, Chen Y, Wang Z, Wu W, Hu L, Zhu J. Tuning the Photochromism of Spiropyran in Functionalized Nanoporous Silica Nanoparticles for Dynamic Anticounterfeiting Applications. ACS OMEGA 2023; 8:16459-16470. [PMID: 37179600 PMCID: PMC10173341 DOI: 10.1021/acsomega.3c01604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 04/13/2023] [Indexed: 05/15/2023]
Abstract
Here, we report a novel invisible ink with different decay times based on thin films with different molar ratios of spiropyran (SP)/Si, which allows the encryption of messages over time. Nanoporous silica has been found to be an excellent substrate to improve the solid photochromism of spiropyran, but the hydroxyl groups of silica have a serious effect on fade speeds. The density of silanol groups in silica has an influence on the switching behavior of spiropyran molecules, as they stabilize the amphiphilic merocyanine isomers and thus slow down the fading process from the open to the closed form. Here, we investigate the solid photochromic behavior of spiropyran by sol-gel modification of the silanol groups and explore its potential application in UV printing and dynamic anticounterfeiting. To extend its applications, spiropyran is embedded in organically modified thin films prepared by the sol-gel method. Notably, by using the different decay times of thin films with different SP/Si molar ratios, time-dependent information encryption can be realized. It provides an initial "false" code, which does not display the required information, and only after a given time will the encrypted data appear.
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Affiliation(s)
- Yuhui Yang
- College
of Materials Science and Engineering, Zhejiang
Sci-Tech University, Hangzhou 310018, China
- Department
of Polymer Materials, Zhejiang Sci-Tech
University, Hangzhou 310018, China
- Institute
of Smart Biomedical Materials, Zhejiang
Sci-Tech University, Hangzhou 310018, China
| | - Huimin Zhao
- College
of Materials Science and Engineering, Zhejiang
Sci-Tech University, Hangzhou 310018, China
| | - Yuqing Li
- College
of Materials Science and Engineering, Zhejiang
Sci-Tech University, Hangzhou 310018, China
| | - Yilong Chen
- College
of Materials Science and Engineering, Zhejiang
Sci-Tech University, Hangzhou 310018, China
| | - Zhaohui Wang
- College
of Materials Science and Engineering, Zhejiang
Sci-Tech University, Hangzhou 310018, China
| | - Wei Wu
- College
of Materials Science and Engineering, Zhejiang
Sci-Tech University, Hangzhou 310018, China
| | - Leilei Hu
- College
of Materials Science and Engineering, Zhejiang
Sci-Tech University, Hangzhou 310018, China
| | - Jiangkun Zhu
- College
of Materials Science and Engineering, Zhejiang
Sci-Tech University, Hangzhou 310018, China
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5
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Kozlenko AS, Ozhogin IV, Pugachev AD, Lukyanova MB, El-Sewify IM, Lukyanov BS. A Modern Look at Spiropyrans: From Single Molecules to Smart Materials. Top Curr Chem (Cham) 2023; 381:8. [PMID: 36624333 DOI: 10.1007/s41061-022-00417-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 11/30/2022] [Indexed: 01/11/2023]
Abstract
Photochromic compounds of the spiropyran family have two main isomers capable of inter-switching with UV or visible light. In the current review, we discuss recent advances in the synthesis, investigation of properties, and applications of spiropyran derivatives. Spiropyrans of the indoline series are in focus as the most promising representatives of multi-sensitive spirocyclic compounds, which can be switched by a number of external stimuli, including light, temperature, pH, presence of metal ions, and mechanical stress. Particular attention is paid to the structural features of molecules, their influence on photochromic properties, and the reactions taking place during isomerization, as the understanding of the structure-property relationships will rationalize the synthesis of compounds with predetermined characteristics. The main prospects for applications of spiropyrans in such fields as smart material production, molecular electronics and nanomachinery, sensing of environmental and biological molecules, and photopharmacology are also discussed.
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Affiliation(s)
- Anastasia S Kozlenko
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia.
| | - Ilya V Ozhogin
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia
| | - Artem D Pugachev
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia
| | - Maria B Lukyanova
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia
| | - Islam M El-Sewify
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia.,Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Boris S Lukyanov
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Prosp., 194/2, Rostov-On-Don, 344090, Russia
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6
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He Z, Li Y, Wu H, Yang Y, Chen Y, Zhu J, Li Q, Jiang G. Novel Stimuli-Responsive Spiropyran-Based Switch@HOFs Materials Enable Dynamic Anticounterfeiting. ACS APPLIED MATERIALS & INTERFACES 2022; 14:48133-48142. [PMID: 36251800 DOI: 10.1021/acsami.2c13052] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Developing smart fluorescent materials having very advanced levels, showing dynamic displays of encrypted messaging, remains a huge challenge. In this paper, we present a unique method based on combining a common photochromic molecule spiropyran (SP) with hydrogen-bonded organic frameworks (HOFs), which allows for reversible switching of SP in solid states and shows dynamic displays of encrypted information. With the irradiation time extended, the fluorescence emission undergo an evident transformation from yellow-green to orange to red, because of the fluorescence resonance energy transfer (FRET) process between the unique HOFs and merocyanine (MC) isomer. By doping with polydimethylsiloxane (PDMS), we obtained free-standing membranes with high flexibility and mechanical strength, which can be reversibly and repeatedly bent and folded at angles of >90°. Notably, the comparison of fatigue resistance between SP2/PDMS (can be used for no more than 5 times) and SP2 ⊂ HOF2/PDMS (can be used for more than 100 times) further proved the importance of HOFs. This composite system has many advantages: (1) it has diverse dynamic fluorescence emission and visible colors regulated by ultraviolet radiation with high contrast and can be reversibly converted; (2) these changes in behavior can be achieved by simple UV illumination; and (3) compared with previous work, this work not only shows the dynamic fluorescence emission, but also shows the dynamic information during the decryption.
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Affiliation(s)
- Zhe He
- College of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yuqing Li
- College of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Han Wu
- College of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yuhui Yang
- College of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Institute of Smart Biomedical Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yilong Chen
- College of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jiangkun Zhu
- College of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Qiuna Li
- College of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Guohua Jiang
- College of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Institute of Smart Biomedical Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
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7
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Banerjee S, Mandal M, Halder S, Karak A, Banik D, Jana K, Mahapatra AK. An ICT-guided ratiometric naphthalene-benzothiazole-based probe for the detection of cyanide with real-time applications in human breast cancer cells. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:3209-3217. [PMID: 35943416 DOI: 10.1039/d2ay00898j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A methoxynaphthalene benzothiazole conjugate (MNBTZ) armed with CC vinylic double bonds was synthesized and utilized for the selective detection of CN- ions. The probe showed yellow fluorescence due to ICT from the methoxynaphthalene moiety to benzothiazole, which instantly changed to light purple upon the nucleophilic addition of CN- to the vinylic double bond, inhibiting ICT due to the break-in conjugation. The effectiveness of the probe was proved by this brilliant ratiometric fluorescence change, which was achieved selectively as observed by experiments with competing anions. 1H NMR titrations and DFT calculations support this mechanism. A low detection limit of 2.1(±0.0022) × 10-8 M along with good fluorescence color change on solid TLC plates and human breast cancer cells makes it amenable to CN- sensing.
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Affiliation(s)
- Shilpita Banerjee
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711 103, India.
| | - Moumi Mandal
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711 103, India.
| | - Satyajit Halder
- Division of Molecular Medicine, Bose Institute, P 1/12, CIT Scheme VIIM, Kolkata-700 054, India
| | - Anirban Karak
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711 103, India.
| | - Dipanjan Banik
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711 103, India.
| | - Kuladip Jana
- Division of Molecular Medicine, Bose Institute, P 1/12, CIT Scheme VIIM, Kolkata-700 054, India
| | - Ajit Kumar Mahapatra
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711 103, India.
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8
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Shcherbatykh AA, Chernov’yants MS, Voloshin NA, Chernyshev AV. Spiropyran 5,6′-dichloro-1,3,3-trimethylspiro[indoline-2,2′-2H-pyrano[3,2-h]quinoline] application as a spectorphotometric and fluorescent probe for glutathione and cysteine sensing. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02259-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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9
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Cyanide Anion Determination Based on Nucleophilic Addition to 6-[(E)-(4-Nitrophenyl)diazenyl]-1′,3,3′,4-tetrahydrospiro[chromene-2,2′-indole] Derivatives. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10050185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
This work provides a novel approach for the instant detection of CN− anions based on chromogenic 6-[(E)-(4-nitrophenyl)diazenyl]-1′,3,3′,4-tetrahydrospiro[chromene-2,2′-indole] derivatives. New colorimetric detectors were synthesized and characterized. These compounds exhibited a substantial color change from orange to magenta and blue when treated with cyanide ions in a CH3CN solution buffered with sodium phosphate and demonstrated high selectivity to CN− anions. Common anions were tested, and they did not interfere with cyanide detection, except for carbonates and hydrosulfites. The simple preparation of a molecular sensor and the easily noticeable color change makes this a practical system for the monitoring of CN− ions. This color change is explained by nucleophilic substitution of the pyrane ring oxygen atom at the indoline C-2 atom by the cyanide anion. This generates the appearance of intensively colored 4-(4-nitrophenylazo)phenolate chromophore and allows for determining very low levels of CN− anion.
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10
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Dual mode of cyanide detection by Fluorescein-Based “Turn-ON” Bi-Signaling fluorescence and colorimetric sensing: Agricultural product and cellular studies. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113636] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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11
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Krämer J, Kang R, Grimm LM, De Cola L, Picchetti P, Biedermann F. Molecular Probes, Chemosensors, and Nanosensors for Optical Detection of Biorelevant Molecules and Ions in Aqueous Media and Biofluids. Chem Rev 2022; 122:3459-3636. [PMID: 34995461 PMCID: PMC8832467 DOI: 10.1021/acs.chemrev.1c00746] [Citation(s) in RCA: 131] [Impact Index Per Article: 65.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Indexed: 02/08/2023]
Abstract
Synthetic molecular probes, chemosensors, and nanosensors used in combination with innovative assay protocols hold great potential for the development of robust, low-cost, and fast-responding sensors that are applicable in biofluids (urine, blood, and saliva). Particularly, the development of sensors for metabolites, neurotransmitters, drugs, and inorganic ions is highly desirable due to a lack of suitable biosensors. In addition, the monitoring and analysis of metabolic and signaling networks in cells and organisms by optical probes and chemosensors is becoming increasingly important in molecular biology and medicine. Thus, new perspectives for personalized diagnostics, theranostics, and biochemical/medical research will be unlocked when standing limitations of artificial binders and receptors are overcome. In this review, we survey synthetic sensing systems that have promising (future) application potential for the detection of small molecules, cations, and anions in aqueous media and biofluids. Special attention was given to sensing systems that provide a readily measurable optical signal through dynamic covalent chemistry, supramolecular host-guest interactions, or nanoparticles featuring plasmonic effects. This review shall also enable the reader to evaluate the current performance of molecular probes, chemosensors, and nanosensors in terms of sensitivity and selectivity with respect to practical requirement, and thereby inspiring new ideas for the development of further advanced systems.
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Affiliation(s)
- Joana Krämer
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Rui Kang
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Laura M. Grimm
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Luisa De Cola
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Dipartimento
DISFARM, University of Milano, via Camillo Golgi 19, 20133 Milano, Italy
- Department
of Molecular Biochemistry and Pharmacology, Instituto di Ricerche Farmacologiche Mario Negri, IRCCS, 20156 Milano, Italy
| | - Pierre Picchetti
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Frank Biedermann
- Institute
of Nanotechnology, Karlsruhe Institute of
Technology (KIT), Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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12
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Spiropyran and spironaphthoxazine based opto-chemical probes for instant ion detection with high selectivity and sensitivity to trace amounts of cyanide. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113626] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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13
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Shiraishi Y, Takagi S, Yomo K, Hirai T. Spontaneous Isomerization of a Hydroxynaphthalene-Containing Spiropyran in Polar Solvents Enhanced by Hydrogen Bonding Interactions. ACS OMEGA 2021; 6:35619-35628. [PMID: 34984293 PMCID: PMC8717586 DOI: 10.1021/acsomega.1c05400] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/22/2021] [Indexed: 06/01/2023]
Abstract
The synthesis of spiropyran dyes exhibiting solvent-driven isomerization even in the dark condition is an important subject for the design of optical materials. A conventional synthesis strategy involves the conjugation of indoline moieties with electron-deficient aromatic moieties. Herein, we report that a spiropyran conjugated with a hydroxynaphthalene moiety (1) is a new member exhibiting solvent-driven isomerization, even bearing an electron-donating -OH moiety. The dye exists as a colorless spirocyclic (SP) form in nonpolar media. It, however, shows a blue color in polar media, especially in aqueous media, due to the formation of ring-opened merocyanine (MC) forms, where the isomerization terminates in 10 s even at room temperature. The spontaneous SP → MC isomerization originates from the MC forms stabilized by the highly delocalized π-electrons on the hydroxynaphthalene moiety. The solvation in polar media and the hydrogen bonding interaction with water molecules decrease the ground-state energy of the MC forms, triggering spontaneous isomerization. The dye exhibits two MC absorption bands assigned to the trans-trans-cis (TTC) and cis-trans-cis (CTC) isomers. The absorbance of the CTC band increases more significantly with an increase in the water content, and the increase exhibits a linear relationship with a hydrogen-bond donor acidity of solvents. The phenolate oxygen of the CTC form has larger hydrogen-bond acceptor basicity, resulting in stronger stabilization by the water molecule.
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14
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Visually detecting cyanide ion in aqueous solution sensitively and selectively using a merocyanine salt with the help of a smartphone. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130757] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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15
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Detection of cyanide (CN−) ion with high selectivity and sensitivity by using ‘Turn-ON’ fluorescence strategy of Rhodamine Schiff base. J INDIAN CHEM SOC 2021. [DOI: 10.1016/j.jics.2021.100063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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16
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Kumar A, Kumar R, Kumar S. Cyanide‐Ion‐Induced J‐Aggregation of Merocyanine Dye for Paper‐Based Colorimetric Detection in Water. ChemistrySelect 2021. [DOI: 10.1002/slct.202100147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Arvind Kumar
- Department of Chemistry, St. Stephen's College (University of Delhi) University Enclave Delhi 110007 India
| | - Rajesh Kumar
- Defence Laboratory Jodhpur Jodhpur 342011 Rajasthan India
| | - Satish Kumar
- Department of Chemistry, St. Stephen's College (University of Delhi) University Enclave Delhi 110007 India
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17
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Liu Q, Zhao Y, Zhang Y, Xie K, Liu R, Ren B, Yan Y, Li L. A spiropyran functionalized fluorescent probe for mitochondria targeting and imaging of endogenous hydrogen sulfide in living cells. Analyst 2021; 145:8016-8021. [PMID: 33057526 DOI: 10.1039/d0an01298j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A turn-on spiropyran functionalized fluorescein derivative (FMC) is developed for targeting HS- in mitochondria. FMC exhibits very weak fluorescence at 525 nm under the excitation of 470 nm in aqueous solution due to its colorless spiropyran form; upon addition of HS-, a strong fluorescence enhancement by 6.4-fold is observed with spirocycle-opened merocyanine form and rapid trapping kinetics for HS-. FMC has good biocompatibility and high selectivity towards HS- with a detection limit of 88.2 nM and is very sensitive among the reported H2S fluorescent probes. Moreover, the significant colocalization of FMC with Mito Tracker® Deep Red FM in human laryngeal epidermoid carcinoma (HEp-2) cells and the Pearson correlation coefficient of 0.87 together demonstrate that FMC can target and image the endogenous H2S in the mitochondria of living cells.
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Affiliation(s)
- Qiaoling Liu
- Department of Chemistry, Taiyuan Normal University, 319 University Street, Jinzhong 030619, Yuci District, P. R. China.
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18
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Mu S, Gao H, Li C, Li S, Wang Y, Zhang Y, Ma C, Zhang H, Liu X. A dual-response fluorescent probe for detection and bioimaging of hydrazine and cyanide with different fluorescence signals. Talanta 2021; 221:121606. [DOI: 10.1016/j.talanta.2020.121606] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 08/25/2020] [Accepted: 08/27/2020] [Indexed: 10/23/2022]
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19
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Rathod RV, Bera S, Mondal D. 5'-Hydroxymethyl fluorescein: A colorimetric chemosensor for naked-eye sensing of cyanide ion in a biological fluid. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 238:118419. [PMID: 32438290 DOI: 10.1016/j.saa.2020.118419] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/21/2020] [Accepted: 04/26/2020] [Indexed: 06/11/2023]
Abstract
A two-step synthetic method to prepare a highly sensitive and selective chemosensor 5'-hydroxymethyl fluorescein (5'-HMF) is described herein. This sensor was explored as a colorimetric sensor for naked-eye detection of cyanide ion in the biological fluid as well as in organic and aqueous media. The addition of cyanide ion to 5'-HMF resulted in a rapid change in color in aqueous medium from light green to dark fluorescent green, and in acetonitrile from light pink to purple. A significant bathochromic shift in the absorption spectra enables cyanide ion to be detected by naked eyes in water and acetonitrile without any interference of the competing anions such as, AcO-, F- and SCN- in aqueous solution. Using the 1HNMR titration experiments and Job's plot from absorbance spectroscopy, the interaction of CN- ion with 5'-HMF has been investigated and binding stoichiometry was found to be 1:2 (5'-HMF to CN-). The limit of detection (LOD) of the sensor for CN- was 3.68 μM in water with a linearity (R2 = 0.9923) in the range of 0.50 to 30.0 μM concentration assuming 1:2 (5'-HMF to CN-) binding stoichiometry. In addition, the sensor 5'-HMF sensed the CN- ion in human saliva with the LOD as 7.0 μM in aq. medium.
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Affiliation(s)
- Reena V Rathod
- School of Chemical Sciences, Central University of Gujarat, Gandhinagar - 382030, India
| | - Smritilekha Bera
- School of Chemical Sciences, Central University of Gujarat, Gandhinagar - 382030, India.
| | - Dhananjoy Mondal
- School of Chemical Sciences, Central University of Gujarat, Gandhinagar - 382030, India.
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20
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Keleş E, Aydıner B, Nural Y, Seferoğlu N, Şahin E, Seferoğlu Z. A new mechanism for selective recognition of cyanide in organic and aqueous solution. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000342] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Ergin Keleş
- Department of Chemistry; Gazi University; 06560 Ankara Turkey
| | - Burcu Aydıner
- Department of Chemistry; Gazi University; 06560 Ankara Turkey
| | - Yahya Nural
- Department of Analytical Chemistry; Faculty of Pharmacy; Mersin University; 33169 Mersin Turkey
- Advanced Technology; Research and Application Center; Mersin University; 33343 Mersin Turkey
| | - Nurgül Seferoğlu
- Department of Advanced Technology; Gazi University; 06560 Ankara Turkey
| | - Ertan Şahin
- Department of Chemistry; Faculty of Science; Atatürk University; 25240 Erzurum Turkey
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21
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Chemo- and biosensing applications of spiropyran and its derivatives - A review. Anal Chim Acta 2020; 1110:199-223. [DOI: 10.1016/j.aca.2020.01.057] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 01/24/2020] [Accepted: 01/24/2020] [Indexed: 12/20/2022]
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22
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Dey S, Sen C, Sinha C. Chromogenic hydrazide Schiff base reagent: Spectrophotometric determination of CN - ion. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 225:117471. [PMID: 31450225 DOI: 10.1016/j.saa.2019.117471] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 08/08/2019] [Accepted: 08/14/2019] [Indexed: 06/10/2023]
Abstract
A Schiff base reagent, Picolinohydrazide-naphthol (HL), is used for trace level detection of toxic CN- selectively in presence of eighteen other anions (SCN-, OCN-, S2O32-, HPO42-, H2PO4-, I-, ClO4-, HSO4-, SO42-, AsO43-, NO2-, AsO2-, Cl-, F-, HF2-, NO3-, Br-, N3-) by visual color change, colorless to yellow, in DMSO/H2O (9:1, v/v) at pH, 7.2 (HEPES buffer) medium. The sensitivity of the probe shows that the limit of detection (LOD) is 7.08 μM. The probable mechanism for the sensing behavior involves the deprotonation of naphthol-OH by CN- that has been authenticated by 1H NMR titration and Mass spectra. The composition (1:1 mol ratio) is supported by Job's plot and binding constant (Ka, 1.5 × 104 M-1) is reported by Benesi-Hildebrand plot. Furthermore, a simple paper strip device is fabricated for the determination of CN- ion in water. DFT computation is carried out to explain the electronic spectral feature of the sensor.
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Affiliation(s)
- Sunanda Dey
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India
| | - Chandana Sen
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India; Department of Chemistry, Sripat Singh College, Jiaganj, Murshidabad, Pin-742123, West Bengal, India
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23
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Abstract
Using light as an external stimulus plays a key role not only in modulating activities of nanozymes, but also in constructing efficient biosensing systems.
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Affiliation(s)
- Yufeng Liu
- Department of Biomedical Engineering
- College of Engineering and Applied Sciences
- Nanjing National Laboratory of Microstructures
- Jiangsu Key Laboratory of Artificial Functional Materials
- Chemistry and Biomedicine Innovation Center (ChemBIC)
| | - Xiaoyu Wang
- Department of Biomedical Engineering
- College of Engineering and Applied Sciences
- Nanjing National Laboratory of Microstructures
- Jiangsu Key Laboratory of Artificial Functional Materials
- Chemistry and Biomedicine Innovation Center (ChemBIC)
| | - Hui Wei
- Department of Biomedical Engineering
- College of Engineering and Applied Sciences
- Nanjing National Laboratory of Microstructures
- Jiangsu Key Laboratory of Artificial Functional Materials
- Chemistry and Biomedicine Innovation Center (ChemBIC)
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24
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Alreja P, Kaur N. “Test kit” of chromogenic and ratiometric 1,10-phenanthroline based chemosensor for the recognition of F− and CN– ions. INORG CHEM COMMUN 2019. [DOI: 10.1016/j.inoche.2019.107600] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Stimuli-chromism of photoswitches in smart polymers: Recent advances and applications as chemosensors. Prog Polym Sci 2019. [DOI: 10.1016/j.progpolymsci.2019.101149] [Citation(s) in RCA: 109] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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26
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Garcia J, Addison JB, Liu SZ, Lu S, Faulkner AL, Hodur BM, Balmond EI, Or VW, Yun JH, Trevino K, Shen B, Shaw JT, Frank NL, Louie AY. Antioxidant Sensing by Spiropyrans: Substituent Effects and NMR Spectroscopic Studies. J Phys Chem B 2019; 123:6799-6809. [PMID: 31284715 DOI: 10.1021/acs.jpcb.9b03424] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The development of stimuli-responsive small molecules for probing biologically active antioxidants such as glutathione (GSH) has important ramifications in the detection of oxidative stress. An ideal sensor for biological applications should exhibit sufficient sensitivity and selectivity for detection at physiological concentrations and be reversible to allow continuous and dynamic monitoring of antioxidant levels. Designing a suitable sensor thus requires a detailed understanding of activation properties and mechanism of action. In this work, we report a new set of GSH-responsive spiropyrans and demonstrate how changes in the electronic structure of spiropyrans influence GSH sensing with high specificity versus other structurally similar and biologically relevant redox-active molecules. The sensitivity, selectivity, kinetics, binding constant, and reversibility of GSH-responsive-substituted spiropyrans were investigated using UV-vis spectroscopy and laser irradiation experiments. Detailed studies of the mechanism of interaction between spiropyrans with GSH were investigated using NMR spectroscopy. Understanding how electronic effects impact the sensing ability of spiropyrans toward antioxidants and elucidating the mechanism of the spiropyran-GSH interaction will facilitate the design of more effective sensors for detection of antioxidants in vivo.
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Affiliation(s)
- Joel Garcia
- Chemistry Department , De La Salle University , 2401 Taft Avenue , 1004 Manila , Philippines
| | | | | | - Samuel Lu
- Department of Chemistry , University of Victoria , Victoria , British Columbia V8 V 2Y2 , Canada
| | | | | | | | | | | | | | | | | | - Natia L Frank
- Department of Chemistry , University of Victoria , Victoria , British Columbia V8 V 2Y2 , Canada
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27
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Wang L, Yao Y, Wang J, Dong C, Han H. Selective sensing Ca
2+
with a spiropyran‐based fluorometric probe. LUMINESCENCE 2019; 34:707-714. [DOI: 10.1002/bio.3656] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 05/07/2019] [Accepted: 05/10/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Li Wang
- Institute of Environmental ScienceShanxi University Taiyuan 030006 China
| | - Yuanjun Yao
- School of Chemistry and Chemical EngineeringShanxi University Taiyuan 030006 China
| | - Jiao Wang
- School of Chemistry and Chemical EngineeringShanxi University Taiyuan 030006 China
| | - Chuan Dong
- Institute of Environmental ScienceShanxi University Taiyuan 030006 China
| | - Hui Han
- Institute of Environmental ScienceShanxi University Taiyuan 030006 China
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28
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Perry A. New mechanism, new chromophore: investigating the electrophilic behaviour of styrylindolium dyes. Org Biomol Chem 2019; 17:4825-4834. [PMID: 31033987 DOI: 10.1039/c9ob00641a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
To inform the design of future merocyanine-based sensors for nucleophilic analytes, a range of model styrylindolium salts were synthesised, and their behaviour towards cyanide, methanethiolate and sulfide was examined using spectroscopic techniques. In the majority of cases, standard 1,2- and 1,4-nucleophilic additions predominated; however, 4-nitrostyrylindolium salts underwent an unexpected dearomatising 1,8-addition with sulfur-centred nucleophiles. The enamine triene products thus produced display useful optical properties and provide a platform for novel sensor design, and the unusual 1,8-reaction pathway enables synthesis of novel molecular architecture.
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Affiliation(s)
- Alexis Perry
- Biosciences, University of Exeter, Stocker Road, Exeter EX4 4QD, UK.
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29
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Kortekaas L, Browne WR. The evolution of spiropyran: fundamentals and progress of an extraordinarily versatile photochrome. Chem Soc Rev 2019; 48:3406-3424. [DOI: 10.1039/c9cs00203k] [Citation(s) in RCA: 250] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Spiropyrans have played a pivotal role in the emergence of the field of chromism following their discovery in the early 20th century, with almost ubiquitous use in materials applications especially since their photochromism was discovered in 1952.
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Affiliation(s)
- Luuk Kortekaas
- Molecular Inorganic Chemistry
- Stratingh institute for Chemistry
- University of Groningen
- 9747AG Groningen
- The Netherlands
| | - Wesley R. Browne
- Molecular Inorganic Chemistry
- Stratingh institute for Chemistry
- University of Groningen
- 9747AG Groningen
- The Netherlands
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30
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Belikov MY, Ievlev MY, Fedoseev SV, Ershov OV. Tuning the photochromic properties of chromophores containing a nitrile-rich acceptor: a novel branch in the investigation of negative photochromes. NEW J CHEM 2019. [DOI: 10.1039/c9nj01648a] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
High photoswitching contrast and variation of the thermal stability of the photoinduced form for a novel group of reverse photochromes are described for the first time.
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31
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Abdollahi A, Roghani-Mamaqani H, Razavi B, Salami-Kalajahi M. The light-controlling of temperature-responsivity in stimuli-responsive polymers. Polym Chem 2019. [DOI: 10.1039/c9py00890j] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Light-controlling of phase separation in temperature-responsive polymer solutions by using light-responsive materials for reversible controlling physical and chemical properties of the media with an out-of-system stimulus with tunable intensity.
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Affiliation(s)
- Amin Abdollahi
- Faculty of Polymer Engineering
- Sahand University of Technology
- Tabriz
- Iran
| | - Hossein Roghani-Mamaqani
- Faculty of Polymer Engineering
- Sahand University of Technology
- Tabriz
- Iran
- Institute of Polymeric Materials
| | - Bahareh Razavi
- Faculty of Polymer Engineering
- Sahand University of Technology
- Tabriz
- Iran
| | - Mehdi Salami-Kalajahi
- Faculty of Polymer Engineering
- Sahand University of Technology
- Tabriz
- Iran
- Institute of Polymeric Materials
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32
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Chng S, Moloney MG, Wu LYL. Photochromic Materials by Postpolymerisation Surface Modification. ACS OMEGA 2018; 3:15554-15565. [PMID: 31458211 PMCID: PMC6644173 DOI: 10.1021/acsomega.8b02521] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 10/29/2018] [Indexed: 06/09/2023]
Abstract
Photochromic materials are available by a postpolymerization surface modification of diverse polymers in a multistep sequential process mediated, first, by carbene insertion chemistry, second, by diazonium coupling with a tethered precursor, and finally by coupling to a spiropyran. This three-step sequence is efficient, and surface loading densities of 1013 molecules cm-2 are typically achievable, leading to materials with observable photochromic and wettability behavior, which operate over multiple cycles without significant photobleaching or loss of efficacy. Materials suitable for application in this process include both reactive, but also lower surface energy polymers. Although the process is particularly efficient for high surface area materials, surface modification onto lower surface area substrates, while being intrinsically less efficient, is nonetheless sufficiently effective that changes in macroscopic photochromic properties are readily observable.
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Affiliation(s)
- Shuyun Chng
- Department
of Chemistry, Chemistry Research Laboratory, The University of Oxford, 12-Mansfield Road, Oxford OX1 3TA, United Kingdom
- Singapore
Institute of Manufacturing Technology, 2 Fusionopolis Way, #08-04, Innovis, Singapore 138634
| | - Mark G. Moloney
- Department
of Chemistry, Chemistry Research Laboratory, The University of Oxford, 12-Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Linda Y. L. Wu
- Singapore
Institute of Manufacturing Technology, 2 Fusionopolis Way, #08-04, Innovis, Singapore 138634
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33
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Abdollahi A, Sahandi-Zangabad K, Roghani-Mamaqani H. Light-Induced Aggregation and Disaggregation of Stimuli-Responsive Latex Particles Depending on Spiropyran Concentration: Kinetics of Photochromism and Investigation of Reversible Photopatterning. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:13910-13923. [PMID: 30395471 DOI: 10.1021/acs.langmuir.8b02296] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Light-controlling the physical and chemical properties of smart polymers by using photochromic compounds has been an interesting research subject. Incorporation of spiropyran (SP) on the surface of particles can induce photoswitchable aggregation/disaggregation to stimuli-responsive colloids. Herein, we developed a novel class of stimuli-responsive latex particles bearing SP with different contents (0, 0.5, 1, 3, and 5 wt %) by semicontinuous emulsifier-free emulsion copolymerization, which is able to change the particle size by light-induced aggregation/disaggregation in response to ultraviolet (UV) irradiation and visible light. The scanning electron microscopy images revealed the spherical morphology of the latex particles, with the size in the range of 400-900 nm. Light-induced aggregation and disaggregation of stimuli-responsive latex particles were investigated by dynamic light scattering and also confirmed by variation of transmittance during UV illumination time using ultraviolet-visible spectroscopy. The range of the light-induced shift in the particle size is about 200-600 nm (depending on the concentration of SP), where the reduction of transmittance upon UV irradiation (and conversely upon visible light) confirms the ability of latex particles for displaying reversible photoswitchable aggregation/disaggregation and also light-controlling the particle size. The kinetics of SP to merocyanine (MC) and MC to SP isomerizations were experimentally investigated and fitted by exponential equations. The photochromic latexes displayed remarkable photoswitchability and photofatigue resistant properties under alternating UV and visible light irradiation cycles. Additionally, these stimuli-responsive latexes displayed potential applications such as anticounterfeiting inks in erasable and rewritable writings on cellulosic papers for increasing safety in security documents.
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Affiliation(s)
- Amin Abdollahi
- Department of Polymer Engineering , Sahand University of Technology , P.O. Box: 51335-1996, Tabriz 51368 , Iran
| | - Keyvan Sahandi-Zangabad
- Department of Polymer Engineering , Sahand University of Technology , P.O. Box: 51335-1996, Tabriz 51368 , Iran
| | - Hossein Roghani-Mamaqani
- Department of Polymer Engineering , Sahand University of Technology , P.O. Box: 51335-1996, Tabriz 51368 , Iran
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34
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Tran HM, Nguyen TH, Nguyen VQ, Tran PH, Thai LD, Truong TT, Nguyen LTT, Nguyen HT. Synthesis of a Novel Fluorescent Cyanide Chemosensor Based on Photoswitching Poly(pyrene-1-ylmethyl-methacrylate-random-methyl methacrylate-random-methacrylate spirooxazine). Macromol Res 2018. [DOI: 10.1007/s13233-019-7030-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Cao X, Gan W, Shi Y, Xu H, Gao H. Tunable Fluorescence from a Responsive Hyperbranched Polymer with Spatially Arranged Fluorophore Arrays. Chem Asian J 2018; 13:3723-3728. [DOI: 10.1002/asia.201801244] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 09/13/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Xiaosong Cao
- Department of Chemistry and Biochemistry University of Notre Dame, Notre Dame, IN 46556-5670 (USA)
| | - Weiping Gan
- Department of Chemistry and Biochemistry University of Notre Dame, Notre Dame, IN 46556-5670 (USA)
| | - Yi Shi
- Department of Chemistry and Biochemistry University of Notre Dame, Notre Dame, IN 46556-5670 (USA)
| | - Hui Xu
- Department of Chemistry and Biochemistry University of Notre Dame, Notre Dame, IN 46556-5670 (USA)
| | - Haifeng Gao
- Department of Chemistry and Biochemistry University of Notre Dame, Notre Dame, IN 46556-5670 (USA)
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36
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Liang C, Jiang S. Fluorescence light-up detection of cyanide in water based on cyclization reaction followed by ESIPT and AIEE. Analyst 2018; 142:4825-4833. [PMID: 29177284 DOI: 10.1039/c7an01479a] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Schiff base 1 (2,4-di-tert-butyl-6-((2-hydroxyphenyl-imino)-methyl)phenol) containing two hydroxyl groups could undergo an oxidative cyclization reaction and then generate hydroxyphenylbenzoxazole (HBO) 2 when CN- was present as a catalyst. The multistep cyclization reaction was proved by spectroscopy, 1H NMR, 13C NMR and mass spectra. C[double bond, length as m-dash]N isomerization is the predominant decay process of the excited states, so sensor 1 is weakly emissive in solution at ambient temperature. When 1 reacts with CN-, the emission is remarkably enhanced, where 1 is converted to 2. The cyclization product HBO 2 displays bright green luminescence in micellar due to the ESIPT (excited-state intramolecular proton transfer) as well as AIEE (aggregation-induced emission enhancement) effect. The detection limit is 5.92 × 10-7 M, lower than the WHO guideline of CN- in drinking water (1.9 μM). The selective and competitive experiments reveal that sensor 1 shows high sensing selectivity and sensitivity for CN- over other anions. Test papers containing absorbed 1 were prepared and applied for practical application of cyanide detection.
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Affiliation(s)
- Chunshuang Liang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Avenue, Changchun 130012, P. R. China.
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37
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Fredrich S, Bonasera A, Valderrey V, Hecht S. Sensitive Assays by Nucleophile-Induced Rearrangement of Photoactivated Diarylethenes. J Am Chem Soc 2018; 140:6432-6440. [DOI: 10.1021/jacs.8b02982] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Sebastian Fredrich
- Department of Chemistry & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Aurelio Bonasera
- Department of Chemistry & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Virginia Valderrey
- Department of Chemistry & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Stefan Hecht
- Department of Chemistry & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
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38
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Samanta D, Galaktionova D, Gemen J, Shimon LJW, Diskin-Posner Y, Avram L, Král P, Klajn R. Reversible chromism of spiropyran in the cavity of a flexible coordination cage. Nat Commun 2018; 9:641. [PMID: 29440687 PMCID: PMC5811438 DOI: 10.1038/s41467-017-02715-6] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 12/20/2017] [Indexed: 11/08/2022] Open
Abstract
Confining molecules to volumes only slightly larger than the molecules themselves can profoundly alter their properties. Molecular switches-entities that can be toggled between two or more forms upon exposure to an external stimulus-often require conformational freedom to isomerize. Therefore, placing these switches in confined spaces can render them non-operational. To preserve the switchability of these species under confinement, we work with a water-soluble coordination cage that is flexible enough to adapt its shape to the conformation of the encapsulated guest. We show that owing to its flexibility, the cage is not only capable of accommodating-and solubilizing in water-several light-responsive spiropyran-based molecular switches, but, more importantly, it also provides an environment suitable for the efficient, reversible photoisomerization of the bound guests. Our findings pave the way towards studying various molecular switching processes in confined environments.
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Affiliation(s)
- Dipak Samanta
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Daria Galaktionova
- Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Julius Gemen
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Linda J W Shimon
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Yael Diskin-Posner
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Liat Avram
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Petr Král
- Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA
- Department of Physics, University of Illinois at Chicago, Chicago, IL, 60607, USA
- Department of Biopharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Rafal Klajn
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel.
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39
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Heng S, Reineck P, Vidanapathirana AK, Pullen BJ, Drumm DW, Ritter LJ, Schwarz N, Bonder CS, Psaltis PJ, Thompson JG, Gibson BC, Nicholls SJ, Abell AD. Rationally Designed Probe for Reversible Sensing of Zinc and Application in Cells. ACS OMEGA 2017; 2:6201-6210. [PMID: 30023765 PMCID: PMC6044982 DOI: 10.1021/acsomega.7b00923] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 09/08/2017] [Indexed: 05/19/2023]
Abstract
Biologically compatible fluorescent ion sensors, particularly those that are reversible, represent a key tool for answering a range of fundamental biological questions. We report a rationally designed probe with a 6'-fluoro spiropyran scaffold (5) for the reversible sensing of zinc (Zn2+) in cells. The 6'-fluoro substituent overcomes several limitations normally associated with spiropyran-based sensors to provide an improved signal-to-background ratio and faster photoswitching times in aqueous solution. In vitro studies were performed with 5 and the 6'-nitro analogues (6) in HEK 293 and endothelial cells. The new spiropyran (5) can detect exogenous Zn2+ inside both cell types and without affecting the proliferation of endothelial cells. Studies were also performed on dying HEK 293 cells, with results demonstrating the ability of the key compound to detect endogenous Zn2+ efflux from cells undergoing apoptosis. Biocompatibility and photoswitching of 5 were demonstrated within endothelial cells but not with 6, suggesting the future applicability of sensor 5 to study intracellular Zn2+ efflux in these systems.
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Affiliation(s)
- Sabrina Heng
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
- E-mail:
| | - Philipp Reineck
- CNBP, School of Science, RMIT
University, Melbourne, Victoria 3001, Australia
| | - Achini K. Vidanapathirana
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Benjamin J. Pullen
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Daniel W. Drumm
- CNBP, School of Science, RMIT
University, Melbourne, Victoria 3001, Australia
| | - Lesley J. Ritter
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Nisha Schwarz
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Claudine S. Bonder
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Peter J. Psaltis
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Jeremy G. Thompson
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Brant C. Gibson
- CNBP, School of Science, RMIT
University, Melbourne, Victoria 3001, Australia
| | - Stephen J. Nicholls
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
| | - Andrew D. Abell
- ARC
Center of Excellence for Nanoscale BioPhotonics (CNBP), Institute
for Photonics and Advanced Sensing (IPAS), Department of Chemistry, CNBP, Heart Health
Theme, South Australian Health and Medical Research Institute and
Adelaide Medicine School, CNBP, IPAS, The Robinson Research Institute, School
of Medicine, and Centre for Cancer Biology, University of South Australia and SA Pathology
& Adelaide Medical School, The University
of Adelaide, Adelaide, South Australia 5000, Australia
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40
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Jackson R, Logue BA. A review of rapid and field-portable analytical techniques for the diagnosis of cyanide exposure. Anal Chim Acta 2017; 960:18-39. [DOI: 10.1016/j.aca.2016.12.039] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 12/20/2016] [Accepted: 12/22/2016] [Indexed: 12/22/2022]
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41
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Valderrey V, Bonasera A, Fredrich S, Hecht S. Light-Activated Sensitive Probes for Amine Detection. Angew Chem Int Ed Engl 2017; 56:1914-1918. [PMID: 28090723 DOI: 10.1002/anie.201609989] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 11/18/2016] [Indexed: 12/29/2022]
Abstract
Our new, simple, and accurate colorimetric method is based on diarylethenes (DAEs) for the rapid detection of a wide range of primary and secondary amines. The probes consist of aldehyde- or ketone-substituted diarylethenes, which undergo an amine-induced decoloration reaction, selectively to give the ring-closed isomer. Thus, these probes can be activated at the desired moment by light irradiation, with a sensitivity that allows the detection of amines at concentrations as low as 10-6 m in solution. In addition, the practical immobilization of DAEs on paper makes it possible to detect biogenic amines, such as cadaverine, in the gas phase above a threshold of 12 ppbv within 30 seconds.
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Affiliation(s)
- Virginia Valderrey
- Institut für Chemie & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, 12489, Berlin, Germany
| | - Aurelio Bonasera
- Institut für Chemie & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, 12489, Berlin, Germany
| | - Sebastian Fredrich
- Institut für Chemie & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, 12489, Berlin, Germany
| | - Stefan Hecht
- Institut für Chemie & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, 12489, Berlin, Germany
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42
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Valderrey V, Bonasera A, Fredrich S, Hecht S. Lichtaktivierte Sensoren zur empfindlichen Amindetektion. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201609989] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Virginia Valderrey
- Institut für Chemie & IRIS Adlershof; Humboldt-Universität zu Berlin; Brook-Taylor-Straße 2 12489 Berlin Deutschland
| | - Aurelio Bonasera
- Institut für Chemie & IRIS Adlershof; Humboldt-Universität zu Berlin; Brook-Taylor-Straße 2 12489 Berlin Deutschland
| | - Sebastian Fredrich
- Institut für Chemie & IRIS Adlershof; Humboldt-Universität zu Berlin; Brook-Taylor-Straße 2 12489 Berlin Deutschland
| | - Stefan Hecht
- Institut für Chemie & IRIS Adlershof; Humboldt-Universität zu Berlin; Brook-Taylor-Straße 2 12489 Berlin Deutschland
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43
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Piskorz K, Dust JM, Buncel E, Lebel O, Nunzi JM. Deceleration of thermal ring closure in a glass-forming mexylaminotriazine-substituted merocyanine (MC) linked to intramolecular hydrogen bonding. NEW J CHEM 2017. [DOI: 10.1039/c6nj03368g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A new glass-forming photochromic spiropyran dye is reported, and its ring closure reaction is hindered by intramolecular hydrogen bonding.
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Affiliation(s)
- Konrad Piskorz
- Department of Chemistry Queen's University
- Kingston
- Canada
| | - Julian M. Dust
- Department of Chemistry and Environmental Science
- Grenfell Campus
- Memorial University of Newfoundland
- Corner Brook
- Canada
| | - Erwin Buncel
- Department of Chemistry Queen's University
- Kingston
- Canada
| | - Olivier Lebel
- Department of Chemistry and Chemical Engineering
- Royal Military College of Canada
- Kingston
- Canada
| | - Jean-Michel Nunzi
- Department of Chemistry Queen's University
- Kingston
- Canada
- Department of Physics
- Engineering Physics and Astronomy
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44
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Thanayupong E, Suttisintong K, Sukwattanasinitt M, Niamnont N. Turn-on fluorescent sensor for the detection of cyanide based on a novel dicyanovinyl phenylacetylene. NEW J CHEM 2017. [DOI: 10.1039/c6nj03794a] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A novel phenylacetylene derivative (3) was successfully synthesized via Sonogashira coupling and a Knoevenagel reaction for cyanide ion detection.
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Affiliation(s)
- Eknarin Thanayupong
- Organic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut's University of Technology Thonburi
- Bangkok
- Thailand
- Luminescence & Scintillation Materials Research Unit, Faculty of Science, King Mongkut's University of Technology Thonburi
- Bangkok
| | - Khomson Suttisintong
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Thanon Phahonyothin, Tumbon Khlong Nueng, Amphoe Khlong Luang
- Thailand
| | - Mongkol Sukwattanasinitt
- Organic Synthesis Research Unit, Department of Chemistry, Faculty of Science and Nanotec-CU Center of Excellence on Food and Agriculture, Chulalongkorn University
- Bangkok
- Thailand
| | - Nakorn Niamnont
- Organic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut's University of Technology Thonburi
- Bangkok
- Thailand
- Luminescence & Scintillation Materials Research Unit, Faculty of Science, King Mongkut's University of Technology Thonburi
- Bangkok
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45
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Sahoo PR, Prakash K, Mishra P, Agarwal P, Gupta N, Kumar S. Synthesis, X-ray, 1H-NMR and DFT analysis of the phthalimide–hydrazone probes as selective anion sensor. Supramol Chem 2016. [DOI: 10.1080/10610278.2016.1264074] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Priya Ranjan Sahoo
- Department of Chemistry, St. Stephen’s College, University Enclave, Delhi, India
| | - Kunal Prakash
- Department of Chemistry, St. Stephen’s College, University Enclave, Delhi, India
| | - Pragati Mishra
- Department of Chemistry, St. Stephen’s College, University Enclave, Delhi, India
| | - Palak Agarwal
- Department of Chemistry, St. Stephen’s College, University Enclave, Delhi, India
| | - Nikita Gupta
- Department of Chemistry, St. Stephen’s College, University Enclave, Delhi, India
| | - Satish Kumar
- Department of Chemistry, St. Stephen’s College, University Enclave, Delhi, India
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46
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47
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Kho YM, Hur DY, Shin EJ. Detection of Cyanide Anion by Zinc Porphyrin-Spiropyran Dyad. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10924] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Young-Min Kho
- Department of Chemistry; Sunchon National University; Suncheon 540-950 Korea
| | - Dae Young Hur
- Department of Chemistry; Sunchon National University; Suncheon 540-950 Korea
| | - Eun Ju Shin
- Department of Chemistry; Sunchon National University; Suncheon 540-950 Korea
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48
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Shiraishi Y, Nakamura M, Hayashi N, Hirai T. Coumarin-Spiropyran Dyad with a Hydrogenated Pyran Moiety for Rapid, Selective, and Sensitive Fluorometric Detection of Cyanide Anion. Anal Chem 2016; 88:6805-11. [PMID: 27268123 DOI: 10.1021/acs.analchem.6b01279] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
We synthesized a coumarin-spiropyran dyad with a hydrogenated pyran moiety (2), behaving as an off-on type fluorescent receptor for rapid, selective, and sensitive detection of cyanide anion (CN(-)) in aqueous media. The receptor itself shows almost no fluorescence with a quantum yield < 0.01, due to the delocalization of π-electrons over the molecule. Selective nucleophilic addition of CN(-) to the spirocarbon of the molecule rapidly promotes spirocycle opening within only 3 min. This leads to localization of π-electrons on the coumarin moiety and exhibits strong light-blue fluorescence at 459 nm with very high quantum yield (0.52). As a result of this, the receptor facilitates rapid, selective, and sensitive fluorometric detection of CN(-) as low as 1.0 μM.
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Affiliation(s)
- Yasuhiro Shiraishi
- Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University , Toyonaka 560-8531, Japan.,PRESTO, JST, Saitama 332-0012, Japan
| | - Masaya Nakamura
- Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University , Toyonaka 560-8531, Japan
| | - Naoto Hayashi
- Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University , Toyonaka 560-8531, Japan
| | - Takayuki Hirai
- Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University , Toyonaka 560-8531, Japan
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49
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Verma R, Adhikary RR, Banerjee R. Smart material platforms for miniaturized devices: implications in disease models and diagnostics. LAB ON A CHIP 2016; 16:1978-1992. [PMID: 27108534 DOI: 10.1039/c6lc00173d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Smart materials are responsive to multiple stimuli like light, temperature, pH and redox reactions with specific changes in state. Various functionalities in miniaturised devices can be achieved through the application of "smart materials" that respond to changes in their surroundings. The change in state of the materials in the presence of a stimulus may be used for on demand alteration of flow patterns in devices, acting as microvalves, as scaffolds for cellular aggregation or as modalities for signal amplification. In this review, we discuss the concepts of smart trigger responsive materials and their applications in miniaturized devices both for organ-on-a-chip disease models and for point-of-care diagnostics. The emphasis is on leveraging the smartness of these materials for example, to allow on demand sample actuation, ion dependent spheroid models for cancer or light dependent contractility of muscle films for organ-on-a-chip applications. The review throws light on the current status, scope for technological enhancements, challenges for translation and future prospects of increased incorporation of smart materials as integral parts of miniaturized devices.
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Affiliation(s)
- Ritika Verma
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, India.
| | - Rishi Rajat Adhikary
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, India.
| | - Rinti Banerjee
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, India.
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50
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Shiraishi Y, Nakamura M, Kogure T, Hirai T. Off–on fluorometric detection of cyanide anions in an aqueous mixture by an indane-based receptor. NEW J CHEM 2016. [DOI: 10.1039/c5nj02873f] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An indanedione–coumarin conjugate behaves as an off–on type fluorescent receptor for rapid, selective, and sensitive detection of cyanide anions in an aqueous mixture via a nucleophilic interaction with the electrophilic β-carbon of the receptor.
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Affiliation(s)
- Yasuhiro Shiraishi
- Research Center for Solar Energy Chemistry
- and Division of Chemical Engineering
- Graduate School of Engineering Science
- Osaka University
- Toyonaka 560-8531
| | - Masaya Nakamura
- Research Center for Solar Energy Chemistry
- and Division of Chemical Engineering
- Graduate School of Engineering Science
- Osaka University
- Toyonaka 560-8531
| | - Tetsuri Kogure
- Research Center for Solar Energy Chemistry
- and Division of Chemical Engineering
- Graduate School of Engineering Science
- Osaka University
- Toyonaka 560-8531
| | - Takayuki Hirai
- Research Center for Solar Energy Chemistry
- and Division of Chemical Engineering
- Graduate School of Engineering Science
- Osaka University
- Toyonaka 560-8531
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