1
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Weng Y, Hong Y, Deng J, Cao S, Fan LJ. Preparation and dynamic color-changing study of fluorescent polymer nanoparticles for individualized and customized anti-counterfeiting application. J Colloid Interface Sci 2024; 655:622-633. [PMID: 37956549 DOI: 10.1016/j.jcis.2023.11.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/30/2023] [Accepted: 11/05/2023] [Indexed: 11/15/2023]
Abstract
Preparing new fluorescent materials for individualized and customized anti-counterfeiting applications to meet needs from the rapid development of e-commerce is of great significance. This paper reports the preparation of dynamic color-changing fluorescent polymer nanoparticles (PNPs) by constructing a fluorescence resonance energy transfer (FRET) pair between aggregation-induced emission (AIE) structures and photochromic structures. At first, methyl methacrylate (MMA) was used as the main monomer and tetraphenylethylene (TPE, a typical AIE structure) modified methacrylate (TPE-MA) and photochromic spiropyran (SP) modified methacrylate (SP-MA) as minor monomers were copolymerized to obtain the ternary copolymer PMMA-TPE-SP. Then, two types of PNPs based on this terpolymer was prepared via the reprecipitation method, with and without the addition of an amphiphilic polymer as the surfactant. The photophysical study shows that the fluorescence color of PNPs dynamically changes from blue to light violet and finally to red under UV light irradiation, a process that can be reversed under visible light. The PNPs were alternately irradiated with UV light and visible light for 10 cycles, which proved their good photoswitching reproducibility. The PNPs prepared with addition of surfactant were found to have stronger fluorescence and better stability. Finally, the photochromic fluorescent inks were prepared based on these PNPs. Several anti-counterfeiting scenarios and modes were designed, exhibiting excellent photochromic behavior on cellulose paper, even after 120 days of long-term storage. With simple equipment, desirable anti-counterfeiting effects with dynamic fluorescence color changing was achieved. This study demonstrated a promising hard-to-imitate anti-counterfeiting encryption strategy, which can achieve multiple outputs with simple operation and can be personalized and customized as needed.
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Affiliation(s)
- Yuchen Weng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Ying Hong
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Jingyu Deng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Sicheng Cao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Li-Juan Fan
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China.
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2
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Zhong W, Liang K, Liu W, Shang L. Ligand-protected nanocluster-mediated photoswitchable fluorescent nanoprobes towards dual-color cellular imaging. Chem Sci 2023; 14:8823-8830. [PMID: 37621438 PMCID: PMC10445476 DOI: 10.1039/d3sc03593j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 07/29/2023] [Indexed: 08/26/2023] Open
Abstract
Development of robust multi-color photoswitchable fluorescent probes is critical for many optical applications, but it remains a challenge to rationally design these probes. Here, we report a new design of Förster resonance energy transfer-based dual-color photoswitchable fluorescent nanoparticles (DPF NPs) by taking advantage of the distinct properties of ligand-protected gold nanoclusters (AuNCs). Detailed photophysical studies revealed that ultrasmall-sized AuNCs not only act as the FRET donors due to their intrinsic fluorescence properties, but also play a significant role in regulating the photochromic and aggregate properties of spiropyran through ligand-spiropyran interactions. These DPF NPs exhibit a high fluorescence on/off ratio (∼90%) for both green and red fluorescence emission, and good reversibility during cycled photo-stimulation. Cell imaging experiments showed that DPF NPs could specifically accumulate in lipid droplets, and enable photoswitchable dual-color imaging in living cells. Moreover, by labeling mitochondria with a green-emitting marker, we demonstrated that DPF NPs can distinguish different targets based on dynamic and static fluorescence signals at the sub-cellular level in two emission channels reliably. This study provides a new strategy for designing robust photoswitchable fluorescent probes by modulating the properties of photochromic dyes through ligand-protected nanoclusters, which can be generalized for the development of other photoswitch systems towards advanced optical applications.
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Affiliation(s)
- Wencheng Zhong
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU) Xi'an 710072 China
| | - Kangqiang Liang
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU) Xi'an 710072 China
| | - Wenfeng Liu
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU) Xi'an 710072 China
| | - Li Shang
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU) Xi'an 710072 China
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen Shenzhen 518057 China
- Chongqing Science and Technology Innovation Center of Northwestern Polytechnical University Chongqing 401135 China
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3
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Jiang J, Chen Q, Xu M, Chen J, Wu S. Photoresponsive Diarylethene-Containing Polymers: Recent Advances and Future Challenges. Macromol Rapid Commun 2023:e2300117. [PMID: 37183270 DOI: 10.1002/marc.202300117] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/26/2023] [Indexed: 05/16/2023]
Abstract
Photoresponsive polymers have attracted increasing interest owing to their potential applications in anticounterfeiting, information encryption, adhesives, etc. Among them, diarylethene (DAE)-containing polymers are one of the most promising photoresponsive polymers and have unique thermal stability and fatigue resistance compared to azobenzene- and spiropyran-containing polymers. Herein, the design of DAE-containing polymers based on different types of structures, including main chain polymers, side-chain polymers, and crosslinked polymers, is introduced. The mechanism and applications of DAE-containing polymers in anti-counterfeiting, information encryption, light-controllable adhesives, and photoinduced healable materials are reviewed. In addition, the remaining challenges of DAE-containing polymers are also discussed.
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Affiliation(s)
- Jiawei Jiang
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Qing Chen
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Muhuan Xu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Jian Chen
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, Hunan Province College Key Laboratory of QSAR/QSPR, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Si Wu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, China
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4
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Babazadeh-Mamaqani M, Roghani-Mamaqani H, Abdollahi A, Salami-Kalajahi M. Optical Chemosensors based on Spiropyran-Doped Polymer Nanoparticles for Sensing pH of Aqueous Media. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:9410-9420. [PMID: 35876012 DOI: 10.1021/acs.langmuir.2c01389] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Photochromic polymers, which are prepared by the incorporation of photochromic compounds into polymer matrices, show fluorescence emission along with color change under UV light irradiation. Polymer nanoparticles yield high chromic properties at low chromophore loadings, as they have a large surface area to absorb a high level of light irradiation. Particle size is a significant parameter to control optical properties, where the decrease of particle size results in a high light absorption and efficiency of photochromism and fluorescence emission. Reverse atom transfer radical polymerization was used to synthesize methyl methacrylate homopolymer and its copolymers with different comonomers to yield polymers with a narrow molecular weight distribution. Spiropyran was doped to the polymeric nanoparticles during nanoprecipitation to yield photochromic polymer nanoparticles. Particle size below 100 nm for the photochromic nanoparticles was shown by dynamic light scattering. Morphology investigation with microscopic analysis showed spherical morphology for nanoparticles. The photochromic properties of the polymer nanocarriers were studied in both acidic and alkaline media. The results indicated that the pH of the media as well as the copolymer composition significantly affect the optical properties. Therefore, the photochromic polymer nanoparticles could have potential applications as optical pH chemosensors by colorimetric and fluorometric detection mechanisms. The nanoparticles with hydroxyl- or amine-functional groups were shown to be highly efficient for pH chemosensor applications. Finally, photochromic cellulosic papers prepared from the photochromic polymer nanoparticles were highly applicable in the detection of acid vapors.
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Affiliation(s)
- Milad Babazadeh-Mamaqani
- Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box, Tabriz 51335-1996, Iran
| | - Hossein Roghani-Mamaqani
- Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box, Tabriz 51335-1996, Iran
- Institute of Polymeric Materials, Sahand University of Technology, P.O. Box, Tabriz 51335-1996, Iran
| | - Amin Abdollahi
- Polymer Research Laboratory, Department of Chemistry, Institute for Advanced Studies in Basic Science (IASBS), Zanjan 45137-66731, Iran
| | - Mehdi Salami-Kalajahi
- Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box, Tabriz 51335-1996, Iran
- Institute of Polymeric Materials, Sahand University of Technology, P.O. Box, Tabriz 51335-1996, Iran
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5
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Keyvan Rad J, Balzade Z, Mahdavian AR. Spiropyran-based advanced photoswitchable materials: A fascinating pathway to the future stimuli-responsive devices. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C: PHOTOCHEMISTRY REVIEWS 2022. [DOI: 10.1016/j.jphotochemrev.2022.100487] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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6
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Abdollahi A, Roghani-Mamaqani H, Salami-Kalajahi M, Razavi B. Encryption and authentication of security patterns by ecofriendly multi-color photoluminescent inks containing oxazolidine-functionalized nanoparticles. J Colloid Interface Sci 2020; 580:192-210. [PMID: 32683117 DOI: 10.1016/j.jcis.2020.06.121] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/20/2020] [Accepted: 06/29/2020] [Indexed: 12/11/2022]
Abstract
Counterfeiting of confidential documents has been a costly challenge for banks, companies, and customers. Encryption of invisible security marks, such as barcodes, quick response codes, and logos, in national or international confidential documents by high-security anticounterfeiting inks is the most significant solution for counterfeiting problems. Ecofriendly multi-color photoluminescent anticounterfeiting inks based on highly-fluorescent polymer nanoparticles functionalized with new oxazolidine derivatives were developed for the fast and facile encryption of security labels on cellulosic documents, such as paper currency, passport, and certificate. Depending on the polarity of functionalized polymer nanoparticles, a wide range of colors and fluorescence emissions were observed as a result of polar-polar interactions between the oxazolidine molecules and surface functional groups of the nanoparticles. The fluorescent polymer nanoparticles showed spherical, vesicular, and cauliflower-like morphologies resulted from different surface functional groups. Functional polymer nanoparticles displayed high stability and printability on cellulosic substrates due to hydrogen bonding interactions. The highly-fluorescent polymer nanoparticles were also used to prepare anticounterfeiting inks with different colors and fluorescence emissions. All the ecofriendly polymeric anticounterfeiting inks were loaded to stamps with specific marks, and then applied to different confidential documents. Printed labels displayed highly intense fluorescence emission in different colors (green, orange, pink, and purple depending on the matrix polarity) under UV irradiation (365 nm). These water-based multi-color fluorescent anticounterfeiting inks with highly intense, bright, and sensitive fluorescence emission have potential applications in encryption and authentication of security patterns.
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Affiliation(s)
- Amin Abdollahi
- Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box: 51335-1996, Tabriz, Iran
| | - Hossein Roghani-Mamaqani
- Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box: 51335-1996, Tabriz, Iran; Institute of Polymeric Materials, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran.
| | - Mehdi Salami-Kalajahi
- Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box: 51335-1996, Tabriz, Iran; Institute of Polymeric Materials, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran.
| | - Bahareh Razavi
- Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box: 51335-1996, Tabriz, Iran
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7
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Synthesis of a 5-Carboxy Indole-Based Spiropyran Fluorophore: Thermal, Electrochemical, Photophysical and Bovine Serum Albumin Interaction Investigations. CHEMOSENSORS 2020. [DOI: 10.3390/chemosensors8020031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In this study, we synthesized a spiropyran containing an electron-withdrawing carboxyl group in good yield by condensation of an aromatic aldehyde with enamine indole. The spiropyran absorbed at the ultraviolet region with a maximum at approximately 300 nm, demonstrating slight solvatochromism (~3 nm). A fluorescent emission around 360 nm was observed with a higher solvatochromic effect (~12 nm), indicating higher electronic delocalization in the excited state. The photoreversibility of the open and closed forms of spiropyran excited at 300 nm and 365 nm was not observed, indicating that the absence of the nitro group plays a fundamental role in this equilibrium. Theoretical calculations were also applied for better understanding the photophysics of these compounds. Electrochemical characterization revealed the values of the HOMO and LUMO energy levels at −1.89 eV (electron affinity) and −5.61 eV (ionization potential), respectively. Thermogravimetric analysis showed excellent thermal stability of the spiropyran, with 5% weight loss at approximately 250 °C. Finally, the photophysical features were used to explore the interaction of spiropyran with bovine serum albumin in a phosphate buffer solution, where a significant suppression mechanism was observed.
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8
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Keyvan Rad J, Ghomi AR, Karimipour K, Mahdavian AR. Progressive Readout Platform Based on Photoswitchable Polyacrylic Nanofibers Containing Spiropyran in Photopatterning with Instant Responsivity to Acid–Base Vapors. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b02603] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Jaber Keyvan Rad
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box: 14965/115, Tehran 1497713115, Iran
| | - Amir Reza Ghomi
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box: 14965/115, Tehran 1497713115, Iran
| | - Kianoush Karimipour
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box: 14965/115, Tehran 1497713115, Iran
| | - Ali Reza Mahdavian
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box: 14965/115, Tehran 1497713115, Iran
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9
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Scott PJ, Kasprzak CR, Feller KD, Meenakshisundaram V, Williams CB, Long TE. Light and latex: advances in the photochemistry of polymer colloids. Polym Chem 2020. [DOI: 10.1039/d0py00349b] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Unparalleled temporal and spatial control of colloidal chemical processes introduces immense potential for the manufacturing, modification, and manipulation of latex particles.
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Affiliation(s)
- Philip J. Scott
- Department of Chemistry
- Macromolecules Innovation Institute
- Virginia Tech
- Blacksburg
- USA
| | | | - Keyton D. Feller
- Department of Mechanical Engineering
- Macromolecules Innovation Institute
- Virginia Tech
- Blacksburg
- USA
| | | | - Christopher B. Williams
- Department of Mechanical Engineering
- Macromolecules Innovation Institute
- Virginia Tech
- Blacksburg
- USA
| | - Timothy E. Long
- Department of Chemistry
- Macromolecules Innovation Institute
- Virginia Tech
- Blacksburg
- USA
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10
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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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11
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Caponetti V, Trzcinski JW, Cantelli A, Tavano R, Papini E, Mancin F, Montalti M. Self-Assembled Biocompatible Fluorescent Nanoparticles for Bioimaging. Front Chem 2019; 7:168. [PMID: 30984740 PMCID: PMC6447614 DOI: 10.3389/fchem.2019.00168] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 03/05/2019] [Indexed: 12/31/2022] Open
Abstract
Fluorescence is a powerful tool for mapping biological events in real-time with high spatial resolution. Ultra-bright probes are needed in order to achieve high sensitivity: these probes are typically obtained by gathering a huge number of fluorophores in a single nanoparticle (NP). Unfortunately this assembly produces quenching of the fluorescence because of short-range intermolecular interactions. Here we demonstrate that rational structural modification of a well-known molecular fluorophore N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl) (NBD) produces fluorophores that self-assemble in nanoparticles in the biocompatible environment without any dramatic decrease of the fluorescence quantum yield. Most importantly, the resulting NP show, in an aqueous environment, a brightness which is more than six orders of magnitude higher than the molecular component in the organic solvent. Moreover, the NP are prepared by nanoprecipitation and they are stabilized only via non-covalent interaction, they are surprisingly stable and can be observed as individual bright spots freely diffusing in solution at a concentration as low as 1 nM. The suitability of the NP as biocompatible fluorescent probes was demonstrated in the case of HeLa cells by fluorescence confocal microscopy and MTS assays.
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Affiliation(s)
- Valeria Caponetti
- Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, Bologna, Italy
| | - Jakub W Trzcinski
- Dipartimento di Scienze Chimiche, Università di Padova, Padova, Italy
| | - Andrea Cantelli
- Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, Bologna, Italy
| | - Regina Tavano
- Dipartimento di Scienze Biomediche, Università di Padova, Padova, Italy
| | - Emanuele Papini
- Dipartimento di Scienze Biomediche, Università di Padova, Padova, Italy
| | - Fabrizio Mancin
- Dipartimento di Scienze Chimiche, Università di Padova, Padova, Italy
| | - Marco Montalti
- Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, Bologna, Italy
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12
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Yang Y, Zhang T, Yan J, Fu L, Xiang H, Cui Y, Su J, Liu X. Preparation and Photochromic Behavior of Spiropyran-Containing Fluorinated Polyacrylate Hydrophobic Coatings. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:15812-15819. [PMID: 30485113 DOI: 10.1021/acs.langmuir.8b03229] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this study, spiropyran (SP)-containing fluorinated polyacrylate (F-PA-SP) latex was prepared by emulsion polymerization using fluorinated and SP-based acrylic monomers as raw materials. Fourier transform infrared and 1H NMR demonstrate that the F-PA-SP copolymer has been successfully synthesized, and dynamic light scattering and transmission electron microscopy analyses indicate that the synthesized latex has presented a uniform particle size of approximately 200 nm. X-ray photoelectron spectroscopy, atomic force microscopy, and water contact angle (WCA) analyses were used to investigate the surface properties of the F-PA-SP coating and demonstrate that its hydrophobicity is enhanced by the addition of a fluorinated acrylic monomer. The photochromic properties of the coating were investigated by UV/vis spectroscopy, and the results reveal that the F-PA-SP coating possesses better photoresponsiveness, fatigue resistance, and photoreversibility under UV/vis irradiation than the coating prepared using fluorinated polyacrylate/SP blended latex. Moreover, the WCA of the F-PA-SP coating subjected to UV/vis irradiation shows minimal changes and retains its excellent hydrophobicity. Finally, the F-PA-SP latex was applied to cellulosic paper, and the resulting photochromic paper exhibits outstanding reversible color changes and hydrophobicity.
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Affiliation(s)
| | - Ting Zhang
- Chemistry & Environment Engineering , Shaoguan University , Shaoguan 512005 , China
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13
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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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14
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Abdollahi A, Sahandi-Zangabad K, Roghani-Mamaqani H. Rewritable Anticounterfeiting Polymer Inks Based on Functionalized Stimuli-Responsive Latex Particles Containing Spiropyran Photoswitches: Reversible Photopatterning and Security Marking. ACS APPLIED MATERIALS & INTERFACES 2018; 10:39279-39292. [PMID: 30379526 DOI: 10.1021/acsami.8b14865] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Increase of safety in security documents by using anticounterfeiting inks based on fluorochromic and photochromic compounds has attracted a great deal of attention in the recent years. Herein, we developed novel functionalized stimuli-responsive latex particles containing spiropyran (1 wt %) by semicontinuous emulsifier-free emulsion polymerization, which are usable as anticounterfeiting inks for marking on security documents and also photopatterning on cellulosic papers. The size and morphology of the latex particles were characterized by scanning electron microscopy and dynamic light scattering and their functionality was characterized by Fourier-transform infrared spectroscopy. All the stimuli-responsive latexes are composed of spherical particles with different hydroxyl, epoxy, and carboxylic acid functional groups, and the size of the particles varies in the range of 400-900 nm. Additionally, the latex particles undergo a remarkable light-induced size variation (aggregation-disaggregation) upon UV illumination (365 nm), depending on the functional group type, as a result of π-π stacking interactions and also electrostatic attractions between the different particles. The photochromic behavior, kinetics of the SP ⇌ MC isomerization, photoswitchability, and photofatigue-resistant characteristics of the prepared latexes were extensively investigated. The results display that the photochromic behavior and SP ⇌ MC isomerization can significantly be influenced by the polar interactions between the functional groups and MC molecules. As a novel application, the prepared stimuli-responsive latexes were used as anticounterfeiting inks for writing on cellulosic paper and also security marking on several monies, where the written phrase displayed red fluorescence emission and coloration under and after UV illumination (365 nm), respectively. Additionally, the latexes were sprayed on cellulosic papers to prepare stimuli-responsive papers for investigation of their photopatterning ability under UV irradiation and different masking. The presence of functional groups and large particle sizes are the main effective factors for stabilization of the latex particles on cellulosic papers. This is the first report on application of functionalized stimuli-responsive latex particles containing spiropyran as anticounterfeiting inks for security marking and photopatterning on cellulosic papers, directly and without using further additives.
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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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15
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Xu Z, Li S, Shen Y, Chen M, Shao X. Spiropyran-azobenzene-DBU system as solvent indicator. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.07.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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16
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Khakzad F, Mahdavian AR, Salehi-Mobarakeh H, Sharifian MH. A step-wise self-assembly approach in preparation of multi-responsive poly(styrene-co-methyl methacrylate) nanoparticles containing spiropyran. J Colloid Interface Sci 2018; 515:58-69. [PMID: 29331781 DOI: 10.1016/j.jcis.2018.01.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 01/02/2018] [Accepted: 01/03/2018] [Indexed: 12/31/2022]
Abstract
HYPOTHESIS Surfactant-free emulsion polymerization has become favorable due to circumventing instability issues reasonably. Incorporation of an appropriate hydrophilic macroRAFT, could provide controlled in-situ self-assembly via copolymerization with hydrophobic monomers into polymer particles. So far, this approach has mostly been studied in dispersion systems and further studies are needed in emulsions. Beside the corresponding mechanistic studies, the prepared latex particles would potentially exhibit smart behaviors by choosing stimuli-responsive monomers. EXPERIMENTS Poly(styrene-co-methyl methacrylate) latexes were prepared by utilizing pH-responsive polydimethylaminoethyl methacrylate as the hydrophilic segment through polymerization induced self-assembly (PISA). A systematic study on the effect of MMA amount, role of smart spiropyran ethylacrylate (SPEA) comonomer and the synthesized macroRAFT for inducing efficient assembly has been performed comparatively for the first time. FINDINGS SEM and DLS analyses showed the effect of MMA content on the obtaining of spherical particles with bimodal or monodisperse size distributions in both series of samples. Kinetic studies through conversion measurements along with GPC analysis revealed that the incorporation of MMA and SPEA strongly affected the efficiency of in-situ self-assembly, particle formation and RAFT-controllability on molecular weights. Ultimately, acido/basochromism, pH-responsivity and UV-responsivity of the prepared latexes were verified and the results showed their facile and fast multi-responsivity.
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Affiliation(s)
- Fahimeh Khakzad
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box: 14965/115, Tehran, Iran
| | - Ali Reza Mahdavian
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box: 14965/115, Tehran, Iran.
| | - Hamid Salehi-Mobarakeh
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box: 14965/115, Tehran, Iran
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17
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Sharifian MH, Mahdavian AR, Salehi-Mobarakeh H. Effects of Chain Parameters on Kinetics of Photochromism in Acrylic–Spiropyran Copolymer Nanoparticles and Their Reversible Optical Data Storage. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:8023-8031. [PMID: 28735543 DOI: 10.1021/acs.langmuir.7b01869] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Affiliation(s)
- Mohammad Hossain Sharifian
- Polymer Science Department, Iran Polymer & Petrochemical Institute, Post Office Box 14965/115, Tehran, Iran
| | - Ali Reza Mahdavian
- Polymer Science Department, Iran Polymer & Petrochemical Institute, Post Office Box 14965/115, Tehran, Iran
| | - Hamid Salehi-Mobarakeh
- Polymer Science Department, Iran Polymer & Petrochemical Institute, Post Office Box 14965/115, Tehran, Iran
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18
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Liang FC, Kuo CC, Chen BY, Cho CJ, Hung CC, Chen WC, Borsali R. RGB-Switchable Porous Electrospun Nanofiber Chemoprobe-Filter Prepared from Multifunctional Copolymers for Versatile Sensing of pH and Heavy Metals. ACS APPLIED MATERIALS & INTERFACES 2017; 9:16381-16396. [PMID: 28441012 DOI: 10.1021/acsami.7b00970] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Novel red-green-blue (RGB) switchable probes based on fluorescent porous electrospun (ES) nanofibers exhibiting high sensitivity to pH and mercury ions (Hg2+) were prepared with one type of copolymer (poly(methyl methacrylatete-co-1,8-naphthalimide derivatives-co-rhodamine derivative); poly(MMA-co-BNPTU-co-RhBAM)) by using a single-capillary spinneret. The MMA, BNPTU, and RhBAM moieties were designed to (i) permit formation of porous fibers, (ii) fluoresce for Hg2+ detection, and (iii) fluoresce for pH, respectively. The fluorescence emission of BNPTU (fluorescence resonance energy transfer (FRET) donor) changed from green to blue as it detected Hg2+. The fluorescence emission of RhBAM (FRET acceptor) was highly selective for pH, changing from nonfluorescent (pH 7) to exhibiting strong red fluorescence (pH 2). The full-color emission of the ES nanofibers included green, red, blue, purple, and white depending on the particular pH and Hg2+-concentration combination of the solution. The porous ES nanofibers with 30 nm pores were fabricated using hydrophobic MMA, low-boiling-point solvent, and at a high relative humidity (80%). These porous ES nanofibers had a higher surface-to-volume ratio than did the corresponding thin films, which enhanced their performance. The present study demonstrated that the FRET-based full-color-fluorescence porous nanofibrous membranes, which exhibit on-off switching and can be used as naked eye probes, have potential for application in water purification sensing filters.
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Affiliation(s)
- Fang-Cheng Liang
- Institute of Organic and Polymeric Materials, National Taipei University of Technology , Taipei, Taiwan 10608
| | - Chi-Ching Kuo
- Institute of Organic and Polymeric Materials, National Taipei University of Technology , Taipei, Taiwan 10608
| | - Bo-Yu Chen
- Institute of Organic and Polymeric Materials, National Taipei University of Technology , Taipei, Taiwan 10608
| | - Chia-Jung Cho
- Institute of Organic and Polymeric Materials, National Taipei University of Technology , Taipei, Taiwan 10608
| | - Chih-Chien Hung
- Institute of Organic and Polymeric Materials, National Taipei University of Technology , Taipei, Taiwan 10608
| | - Wen-Chang Chen
- Department of Chemical Engineering, National Taiwan University , Taipei, Taiwan 10617
| | - Redouane Borsali
- Grenoble Alpes University , CNRS, CERMAV UPR 5301, 38000 Grenoble, France
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19
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Palantavida S, Peng B, Sokolov I. Ultrabright fluorescent silica particles with a large number of complex spectra excited with a single wavelength for multiplex applications. NANOSCALE 2017; 9:4881-4890. [PMID: 28177010 DOI: 10.1039/c6nr08976c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We report on a novel approach to synthesize ultrabright fluorescent silica particles capable of producing a large number of complex spectra. The spectra can be excited using a single wavelength which is paramount in quantitative fluorescence imaging, flow cytometry and sensing applications. The approach employs the physical encapsulation of organic fluorescent molecules inside a nanoporous silica matrix with no dye leakage. As was recently demonstrated, such an encapsulation allowed for the encapsulation of very high concentrations of organic dyes without quenching their fluorescent efficiency. As a result, dye molecules are distanced within ∼5 nm from each other; it theoretically allows for efficient exchange of excitation energy via Förster resonance energy transfer (FRET). Here we present the first experimental demonstration of the encapsulation of fluorescent dyes in the FRET sequence. Attaining a FRET sequence of up to five different dyes is presented. The number of distinguishable spectra can be further increased by using different relative concentrations of encapsulated dyes. Combining these approaches allows for creating a large number of ultrabright fluorescent particles with substantially different fluorescence spectra. We also demonstrate the utilization of these particles for potential multiplexing applications. Though fluorescence spectra of the obtained multiplex probes are typically overlapping, they can be distinguished by using standard linear decomposition algorithms.
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Affiliation(s)
- S Palantavida
- Department of Mechanical Engineering, Tufts University, 200 College Ave., Medford, MA 02155, USA.
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20
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Photoswitchable dual-color fluorescent particles from seeded emulsion polymerization and role of some affecting parameters on FRET process. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.01.012] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Zhong W, Zeng X, Chen J, Hong Y, Xiao L, Zhang P. Photoswitchable fluorescent polymeric nanoparticles for rewritable fluorescence patterning and intracellular dual-color imaging with AIE-based fluorogens as FRET donors. Polym Chem 2017. [DOI: 10.1039/c7py00834a] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Photoswitchable fluorescent polymeric nanoparticles with AIE-based fluorogens as FRET donors were prepared for rewritable fluorescence patterning and intracellular dual-color imaging.
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Affiliation(s)
- Weibang Zhong
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
| | - Xuyao Zeng
- College of Chemistry
- Nankai University
- Tianjin
- China
| | - Jian Chen
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
| | - Yongxiang Hong
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
| | - Lehui Xiao
- College of Chemistry
- Nankai University
- Tianjin
- China
| | - Peisheng Zhang
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
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22
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Chen J, Zhong W, Xue M, Wang H, Yu M, Zhang P, Yi P. Photochromic RAFT reagent helps construct superior photoswitchable fluorescent polymer nanoparticles for rewritable fluorescence patterning and intracellular dual-color imaging. Polym Chem 2017. [DOI: 10.1039/c7py01408b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoswitchable fluorescent polymeric nanoparticles with photochromic RAFT chain transfer reagent were synthesized for rewritable fluorescence patterning and intracellular dual color imaging.
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Affiliation(s)
- Jian Chen
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
| | - Weibang Zhong
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
| | - Mingju Xue
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
| | - Hong Wang
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
| | - Maolin Yu
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
| | - Peisheng Zhang
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
| | - Pinggui Yi
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers
- Hunan Province College Key Laboratory of QSAR/QSPR
- School of Chemistry and Chemical Engineering
- Hunan University of Science and Technology
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23
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Stimuli-responsive cellulose modified by epoxy-functionalized polymer nanoparticles with photochromic and solvatochromic properties. Carbohydr Polym 2016; 150:131-8. [DOI: 10.1016/j.carbpol.2016.05.009] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Revised: 04/30/2016] [Accepted: 05/04/2016] [Indexed: 11/23/2022]
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24
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Khakzad F, Mahdavian AR, Salehi-Mobarakeh H, Rezaee Shirin-Abadi A, Cunningham M. Redispersible PMMA latex nanoparticles containing spiropyran with photo-, pH- and CO2- responsivity. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.08.073] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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25
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Keyvan Rad J, Mahdavian AR, Khoei S, Janati Esfahani A. FRET-based acrylic nanoparticles with dual-color photoswitchable properties in DU145 human prostate cancer cell line labeling. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.06.042] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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26
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Achilleos DS, Hatton TA, Vamvakaki M. Photoreponsive Hybrid Nanoparticles with Inherent FRET Activity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:5981-5989. [PMID: 27222922 DOI: 10.1021/acs.langmuir.6b00875] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The photoactivated inherent fluorescence resonance energy transfer (FRET) properties of a hard-and-soft hybrid nanosystem comprising poly(1'-(2-methacryloxyethyl)-3',3'-dimethyl-6-nitrospiro-(2H-1-benzopyran-2,2'-indoline))-co-poly[2-(dimethylamino)ethyl methacrylate] (PSPMA-co-PDMAEMA) random copolymer brushes on silica nanoparticles are described. This unique FRET process is switched on by the simultaneous generation of isomer X and merocyanine (MC), which are bipolar in nature and comprise donor-acceptor dyads, from a single spiropyran (SP) chromophore upon UV irradiation. These X-MC species exhibit sufficient lifetimes to allow the read-out of the FRET process. The phenomenon is gradually switched off because of the thermal relaxation of the bipolar chromophores. This inherent property of the nanoemitters is employed in the development of biosensors of high specificity by monitoring variations in the FRET efficiency and lifetime of the hybrids in the presence of biological substances. More specifically, bovine serum albumin (BSA) augments the formation of MC species and retards the MC photobleaching process, leading to the enhancement of the FRET efficiency and lifetime, respectively. On the other hand, amino acid l-histidine further retards the MC thermal relaxation and prolongs the FRET process. We envisage that this platform opens new perspectives in the development of novel, optical nanosensors for applications in various fields including healthcare products and environmental monitoring.
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Affiliation(s)
- Demetra S Achilleos
- Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), 711 10 Heraklion, Crete, Greece
- Department of Materials Science and Technology, University of Crete , 710 03 Heraklion, Crete, Greece
| | - T Alan Hatton
- Department of Chemical Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Maria Vamvakaki
- Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), 711 10 Heraklion, Crete, Greece
- Department of Materials Science and Technology, University of Crete , 710 03 Heraklion, Crete, Greece
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27
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Cao Z, Liang X, Chen H, Gao M, Zhao Z, Chen X, Xu C, Qu G, Qi D, Tang BZ. Bright and biocompatible AIE polymeric nanoparticles prepared from miniemulsion for fluorescence cell imaging. Polym Chem 2016. [DOI: 10.1039/c6py01079b] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
AIE polymeric nanoparticles with bright fluorescence, high quantum yield, low cytotoxicity, and efficient cellular uptake were prepared by miniemulsion polymerization.
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28
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Keyvan Rad J, Mahdavian AR, Salehi-Mobarakeh H, Abdollahi A. FRET Phenomenon in Photoreversible Dual-Color Fluorescent Polymeric Nanoparticles Based on Azocarbazole/Spiropyran Derivatives. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b02401] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Jaber Keyvan Rad
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box 14965/115, 14977-13115 Tehran, Iran
| | - Ali Reza Mahdavian
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box 14965/115, 14977-13115 Tehran, Iran
| | - Hamid Salehi-Mobarakeh
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box 14965/115, 14977-13115 Tehran, Iran
| | - Amin Abdollahi
- Polymer Science Department, Iran Polymer & Petrochemical Institute, P.O. Box 14965/115, 14977-13115 Tehran, Iran
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29
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Abdollahi A, Mahdavian AR, Salehi-Mobarakeh H. Preparation of stimuli-responsive functionalized latex nanoparticles: the effect of spiropyran concentration on size and photochromic properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:10672-10682. [PMID: 26375595 DOI: 10.1021/acs.langmuir.5b02612] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Incorporation of photochromic compounds to polymer matrix through chemical bonding results in an enhancement of photoactivity and stabilization of optical properties. Here, spiropyran ethyl acrylate monomer (SPEA) was synthesized, and then photochromic particles bearing epoxy functional groups were prepared through semicontinuous emulsion copolymerization. Dynamic light scattering (DLS) and scanning electron microscopy (SEM) results depicted an increase in particle size and particle size distribution with the increase in SPEA monomer-surfactants ratio. Studies on photochromic properties by UV-vis analysis demonstrated a decrease in the absorption intensity despite the increase in SPEA content due to the enhancement in particle size. The prepared acrylic copolymer particles showed reasonable photostability, photoreversibility, and fast photoresponsivness according to the convenient test methods under UV/vis irradiation. DSC and DMTA analyses indicate an increase in Tg of the obtained copolymers with the increase in SPEA content. Finally, stimuli-responsive cellulosic papers were prepared by impregnation, and their photochromic behavior was investigated in dry and wet forms in various media under UV radiation. Morphology studies, due to stabilization of the photochromic copolymer on cellulose fibers, were conducted by SEM micrographs and showed good adhesion and compatibility between the two phases.
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Affiliation(s)
- Amin Abdollahi
- Polymer Science Department, Iran Polymer & Petrochemical Institute , P.O. Box 14965/115, Tehran 1497713115, Iran
| | - Ali Reza Mahdavian
- Polymer Science Department, Iran Polymer & Petrochemical Institute , P.O. Box 14965/115, Tehran 1497713115, Iran
| | - Hamid Salehi-Mobarakeh
- Polymer Science Department, Iran Polymer & Petrochemical Institute , P.O. Box 14965/115, Tehran 1497713115, Iran
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30
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Annenkov VV, Verkhozina ON, Shishlyannikova TA, Danilovtseva EN. Application of 4-chloro-7-nitrobenzo-2-oxa-1,3-diazole in analysis: Fluorescent dyes and unexpected reaction with tertiary amines. Anal Biochem 2015; 486:5-13. [DOI: 10.1016/j.ab.2015.06.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Revised: 05/28/2015] [Accepted: 06/16/2015] [Indexed: 11/29/2022]
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31
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Chen J, Zhong W, Tang Y, Wu Z, Li Y, Yi P, Jiang J. Amphiphilic BODIPY-Based Photoswitchable Fluorescent Polymeric Nanoparticles for Rewritable Patterning and Dual-Color Cell Imaging. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b00667] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Jian Chen
- Key
Laboratory of Theoretical Organic Chemistry and Functional Molecule
of Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, P. R. China
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, P. R. China
| | - Weibang Zhong
- Key
Laboratory of Theoretical Organic Chemistry and Functional Molecule
of Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, P. R. China
| | - Ying Tang
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, P. R. China
| | - Zhan Wu
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, P. R. China
| | - Ya Li
- Key
Laboratory of Theoretical Organic Chemistry and Functional Molecule
of Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, P. R. China
| | - Pinggui Yi
- Key
Laboratory of Theoretical Organic Chemistry and Functional Molecule
of Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, P. R. China
| | - Jianhui Jiang
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, P. R. China
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32
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Li K, Liu B. Polymer-encapsulated organic nanoparticles for fluorescence and photoacoustic imaging. Chem Soc Rev 2015; 43:6570-97. [PMID: 24792930 DOI: 10.1039/c4cs00014e] [Citation(s) in RCA: 652] [Impact Index Per Article: 72.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Polymer encapsulated organic nanoparticles have recently attracted increasing attention in the biomedical field because of their unique optical properties, easy fabrication and outstanding performance as imaging and therapeutic agents. Of particular importance is the polymer encapsulated nanoparticles containing conjugated polymers (CP) or fluorogens with aggregation induced emission (AIE) characteristics as the core, which have shown significant advantages in terms of tunable brightness, superb photo- and physical stability, good biocompatibility, potential biodegradability and facile surface functionalization. In this review, we summarize the latest advances in the development of polymer encapsulated CP and AIE fluorogen nanoparticles, including preparation methods, material design and matrix selection, nanoparticle fabrication and surface functionalization for fluorescence and photoacoustic imaging. We also discuss their specific applications in cell labeling, targeted in vitro and in vivo imaging, blood vessel imaging, cell tracing, inflammation monitoring and molecular imaging. We specially focus on strategies to fine-tune the nanoparticle property (e.g. size and fluorescence quantum yield) through precise engineering of the organic cores and careful selection of polymer matrices. The review also highlights the merits and limitations of these nanoparticles as well as strategies used to overcome the limitations. The challenges and perspectives for the future development of polymer encapsulated organic nanoparticles are also discussed.
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Affiliation(s)
- Kai Li
- Institute of Materials Research and Engineering, A*STAR, 3 Research Link, Singapore 117602.
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33
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Chen J, Huang F, Wang H, Li Y, Liu S, Yi P. One-pot preparation of multicolor polymeric nanoparticles with high brightness by single wavelength excitation. J Appl Polym Sci 2015. [DOI: 10.1002/app.41492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jian Chen
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education; Hunan Province College Key Laboratory of QSAR/QSPR, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology; Xiangtan 411201 People's Republic of China
- State Key Laboratory of Chemo/Biosensing and Chemometrics; Hunan University; Changsha 410082 People's Republic of China
| | - Fuhua Huang
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education; Hunan Province College Key Laboratory of QSAR/QSPR, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology; Xiangtan 411201 People's Republic of China
| | - Hong Wang
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education; Hunan Province College Key Laboratory of QSAR/QSPR, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology; Xiangtan 411201 People's Republic of China
| | - Ya Li
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education; Hunan Province College Key Laboratory of QSAR/QSPR, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology; Xiangtan 411201 People's Republic of China
| | - Shengli Liu
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education; Hunan Province College Key Laboratory of QSAR/QSPR, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology; Xiangtan 411201 People's Republic of China
| | - Pinggui Yi
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education; Hunan Province College Key Laboratory of QSAR/QSPR, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology; Xiangtan 411201 People's Republic of China
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34
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A sensitive colorimetric and ratiometric chemosensor for trivalent metal cations. J Fluoresc 2015; 25:327-33. [PMID: 25663271 DOI: 10.1007/s10895-015-1513-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Accepted: 01/19/2015] [Indexed: 12/11/2022]
Abstract
A novel hydroxyethyl piperazine functionalized cyanine derivative was designed and synthesized. It presents selective colorimetric as well as ratiometric absorption responses to trivalent metal cations (Cr(3+), Fe(3+) and Al(3+)) over a variety of divalent and monovalent metal cations in 3:7 ethanol-water solution. Detection limits of this method for Cr(3+), Fe(3+) and Al(3+) were 3.99 μM, 4.30 μM and 1.85 μM, respectively. The recognition mechanism was attributed to the protonation of the organic probe, which blocked the photoinduced electron transfer (PET) process. In addition, the sensor was also successfully applied to the determination of Cr(3+) in prepared samples.
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35
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Chen BY, Kuo CC, Huang YS, Lu ST, Liang FC, Jiang DH. Novel highly selective and reversible chemosensors based on dual-ratiometric fluorescent electrospun nanofibers with pH- and Fe(3+)-modulated multicolor fluorescence emission. ACS APPLIED MATERIALS & INTERFACES 2015; 7:2797-2808. [PMID: 25585636 DOI: 10.1021/am508029x] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Novel dual-ratiometric fluorescent electrospun (ES) nanofibers featuring high sensitivity for pH and ferric ion (Fe(3+)) were prepared using binary blends of poly(2-hydroxyethyl methacrylate-co-N-methylolacrylamide-co-nitrobenzoxadiazolyl derivative) (poly(HEMA-co-NMA-co-NBD)) and a spirolactam rhodamine derivative (SRhBOH) by employing a single-capillary spinneret. The HEMA, NMA, and NBD moieties were designed to exhibit hydrophilic properties, chemical cross-linking, and fluorescence (fluorescence resonance energy transfer (FRET) donor), respectively. The fluorescence emission of SRhBOH was highly selective for pH and Fe(3+); when SRhBOH detected acidic media and Fe(3+), the spirocyclic form of SRhBOH, which is nonfluorescent, was transformed into the opened cyclic form and exhibited strong fluorescence emission. The emission colors of ES nanofibers in acidic or Fe(3+) aqueous solutions changed from green to red because of FRET from NBD (donor) to SRhBOH (acceptor). The off/on switching of the FRET process was modulated by adjusting the SRhBOH blending ratio, pH, and Fe(3+) concentration. Poly(HEMA-co-NMA-co-NBD) ES fibers blended with 20% SRhBOH showed high sensitivity in sensing Fe(3+) and pH because of the substantial 57 nm red shift in emission as well as substantial reversible dual photoluminescence. The prepared FRET-based dual-ratiometric fluorescent ES nanofibrous membranes can be used as "naked eye" sensors and have potential for application in multifunctional environment sensing devices.
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Affiliation(s)
- Bo-Yu Chen
- Institute of Organic and Polymeric Materials, National Taipei University of Technology , 10608 Taipei, Taiwan
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Shi N, Guan Y, Zhang J, Wan X. Multicolor luminescent hybrid assembled materials based on lanthanide-containing polyoxometalates free from energy transfer crosstalk. RSC Adv 2015. [DOI: 10.1039/c5ra03329b] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Multicolor luminescent hybrid materials of a co-assembly of Ln-POMs, quinine, and block copolymer behave as molecular pixels without energy transfer crosstalk.
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Affiliation(s)
- Nan Shi
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
| | - Yan Guan
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
| | - Jie Zhang
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
| | - Xinhua Wan
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Polymer Chemistry and Physics of Ministry of Education
- College of Chemistry and Molecular Engineering
- Peking University
- Beijing 100871
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37
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Ming L, Si ZK, Zhang Q, Sheng QR, Xue MZ, Liu YG. Photochemical characterization of bi-functional compounds containing indolinospiropyran and chalcone groups. RESEARCH ON CHEMICAL INTERMEDIATES 2013. [DOI: 10.1007/s11164-013-1410-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Abstract
In the past few years, spiropyran has emerged as the molecule-of-choice for the construction of novel dynamic materials. This unique molecular switch undergoes structural isomerisation in response to a variety of orthogonal stimuli, e.g. light, temperature, metal ions, redox potential, and mechanical stress. Incorporation of this switch onto macromolecular supports or inorganic scaffolds allows for the creation of robust dynamic materials. This review discusses the synthesis, switching conditions, and use of dynamic materials in which spiropyran has been attached to the surfaces of polymers, biomacromolecules, inorganic nanoparticles, as well as solid surfaces. The resulting materials show fascinating properties whereby the state of the switch intimately affects a multitude of useful properties of the support. The utility of the spiropyran switch will undoubtedly endow these materials with far-reaching applications in the near future.
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Affiliation(s)
- Rafal Klajn
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel.
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Kwon JE, Park S, Park SY. Realizing molecular pixel system for full-color fluorescence reproduction: RGB-emitting molecular mixture free from energy transfer crosstalk. J Am Chem Soc 2013; 135:11239-46. [PMID: 23876082 DOI: 10.1021/ja404256s] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A full-color molecular pixel system is realized for the first time using simple mixtures composed of RGB-emitting excited-state intramolecular proton transfer (ESIPT) dyes, each of which has delicately tailored Stokes shift and independent emission capability completely free from energy transfer crosstalk between them. It is demonstrated that the whole range of emission colors enclosed within the RGB color triangle on the CIE 1931 diagram is predictable and conveniently reproducible from the RGB molecular pixels not only in the solution but also in the polymer film. It must be noted that mixing ratios to reproduce the desired color coordinates can be precisely calculated on the basis of additive color theory according to their molecular pixel behavior.
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Affiliation(s)
- Ji Eon Kwon
- Center for Supramolecular Optoelectronic Materials and WCU Hybrid Materials Program, Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-744, Korea
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Wang Z, Niu G, Chen X. Polymeric materials for theranostic applications. Pharm Res 2013; 31:1358-76. [PMID: 23765400 DOI: 10.1007/s11095-013-1103-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2012] [Accepted: 06/04/2013] [Indexed: 12/29/2022]
Abstract
Nanotechnology has continuously contributed to the fast development of diagnostic and therapeutic agents. Theranostic nanomedicine has encompassed the ongoing efforts on concurrent molecular imaging of biomarkers, delivery of therapeutic agents, and monitoring of therapy response. Among these formulations, polymer-based theranostic agents hold great promise for the construction of multifunctional agents for translational medicine. In this article, we reviewed the state-of-the-art polymeric nanoparticles, from preparation to application, as potential theranostic agents for diagnosis and therapy. We summarized several major polymer formulas, including polymeric conjugate complexes, nanospheres, micelles, and dendrimers for integrated molecular imaging and therapeutic applications.
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Affiliation(s)
- Zhe Wang
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering National Institutes of Health, Bldg. 31, 1C22, Bethesda, Maryland, 20892, USA
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41
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Ratiometric sensing of mercury(II) based on a FRET process on silica core-shell nanoparticles acting as vehicles. Mikrochim Acta 2013. [DOI: 10.1007/s00604-013-1002-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Chen J, Wang D, Turshatov A, Muñoz-Espí R, Ziener U, Koynov K, Landfester K. One-pot fabrication of amphiphilic photoswitchable thiophene-based fluorescent polymer dots. Polym Chem 2013. [DOI: 10.1039/c2py20589k] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Chan YH, Gallina ME, Zhang X, Wu IC, Jin Y, Sun W, Chiu DT. Reversible photoswitching of spiropyran-conjugated semiconducting polymer dots. Anal Chem 2012; 84:9431-8. [PMID: 23033991 DOI: 10.1021/ac302245t] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Semiconducting polymer dots (Pdots) recently have emerged as a new class of ultrabright fluorescent probes with promising applications in biological detection and imaging. We developed photoswitchable Pdots by conjugating photochromic spiropyran molecules onto poly[9,9-dioctylfluorenyl-2,7-diyl)-co-1,4-benzo-{2,1'-3}-thiadiazole)] (PFBT). The modulation of fluorescence was achieved by ultraviolet irradiation, which converted spiropyran into its visible-absorbing merocyanine form. The merocyanine efficiently quenched the fluorescence of PFBT via Förster resonance energy transfer (FRET). We then reversed the quenching by subsequent irradiation with visible light to get back the fluorescence of PFBT. This FRET-based photomodulation of Pdot fluorescence could be repeated multiple times. We next conjugated biomolecules onto the surface of these photoswitchable Pdots and demonstrated their specific cellular and subcellular labeling to different types of cells without any noticeable nonspecific binding. We anticipate these photoswitchable and biocompatible Pdots will be useful in developing bioimaging techniques in the future.
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Affiliation(s)
- Yang-Hsiang Chan
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
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Roux R, Sallet L, Alcouffe P, Chambert S, Sintes-Zydowicz N, Fleury E, Bernard J. Facile and Rapid Access to Glyconanocapsules by CuAAC Interfacial Polyaddition in Miniemulsion Conditions. ACS Macro Lett 2012; 1:1074-1078. [PMID: 35607040 DOI: 10.1021/mz300281u] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Glyconanocapsules with a biocompatible oily core have been successfully prepared by copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) interfacial step growth polymerization between 6,6'-diazido-6,6'-dideoxysucrose and bis(propargyloxy)butane in oil-in-water miniemulsion conditions. Optimization of the interfacial polymerization process in dispersed medium afforded the rapid and reproducible preparation of stable monodispersed glyconanocapsules having a diameter around 200 nm.
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Affiliation(s)
- Rémi Roux
- Université de Lyon, Lyon, F-69003, France
- INSA-Lyon, IMP, Villeurbanne,
F-69621, France
- CNRS, UMR
5223, Ingénierie des Matériaux Polymères, Villeurbanne,
F-69621, France
- Université Lyon 1, IMP, Villeurbanne, F-69622, France
| | - Ludovic Sallet
- Université de Lyon, Lyon, F-69003, France
- INSA-Lyon, IMP, Villeurbanne,
F-69621, France
- CNRS, UMR
5223, Ingénierie des Matériaux Polymères, Villeurbanne,
F-69621, France
| | - Pierre Alcouffe
- Université de Lyon, Lyon, F-69003, France
- INSA-Lyon, IMP, Villeurbanne,
F-69621, France
- CNRS, UMR
5223, Ingénierie des Matériaux Polymères, Villeurbanne,
F-69621, France
| | - Stéphane Chambert
- Université de Lyon, Lyon, F-69003, France
- INSA-Lyon, IMP, Villeurbanne,
F-69621, France
- Université Lyon 1, IMP, Villeurbanne, F-69622, France
- ICBMS, UMR 5246 CNRS, CPE-Lyon, Bât. Curien, 43 bd du 11 novembre
1918, F-69622 Villeurbanne, France
| | - Nathalie Sintes-Zydowicz
- Université de Lyon, Lyon, F-69003, France
- CNRS, UMR
5223, Ingénierie des Matériaux Polymères, Villeurbanne,
F-69621, France
- Université Lyon 1, IMP, Villeurbanne, F-69622, France
| | - Etienne Fleury
- Université de Lyon, Lyon, F-69003, France
- INSA-Lyon, IMP, Villeurbanne,
F-69621, France
- CNRS, UMR
5223, Ingénierie des Matériaux Polymères, Villeurbanne,
F-69621, France
| | - Julien Bernard
- Université de Lyon, Lyon, F-69003, France
- INSA-Lyon, IMP, Villeurbanne,
F-69621, France
- CNRS, UMR
5223, Ingénierie des Matériaux Polymères, Villeurbanne,
F-69621, France
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May F, Peter M, Hütten A, Prodi L, Mattay J. Synthesis and Characterization of Photoswitchable Fluorescent SiO2 Nanoparticles. Chemistry 2011; 18:814-21. [DOI: 10.1002/chem.201102961] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2011] [Revised: 11/13/2011] [Indexed: 11/11/2022]
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Fan J, Fang G, Wang X, Zeng F, Xiang Y, Wu S. Targeted anticancer prodrug with mesoporous silica nanoparticles as vehicles. NANOTECHNOLOGY 2011; 22:455102. [PMID: 22019849 DOI: 10.1088/0957-4484/22/45/455102] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
A targeted anticancer prodrug system was fabricated with 180 nm mesoporous silica nanoparticles (MSNs) as carriers. The anticancer drug doxorubicin (DOX) was conjugated to the particles through an acid-sensitive carboxylic hydrazone linker which is cleavable under acidic conditions. Moreover, folic acid (FA) was covalently conjugated to the particle surface as the targeting ligand for folate receptors (FRs) overexpressed in some cancer cells. The in vitro release profiles of DOX from the MSN-based prodrug systems showed a strong dependence on the environmental pH values. The fluorescent dye FITC was incorporated in the MSNs so as to trace the cellular uptake on a fluorescence microscope. Cellular uptakes by HeLa, A549 and L929 cell lines were tested for FA-conjugated MSNs and plain MSNs respectively, and a much more efficient uptake by FR-positive cancer cells (HeLa) can be achieved by conjugation of folic acid onto the particles because of the folate-receptor-mediated endocytosis. The cytotoxicities for the FA-conjugated MSN prodrug, the plain MSN prodrug and free DOX against three cell lines were determined, and the result indicates that the FA-conjugated MSN prodrug exhibits higher cytotoxicity to FR-positive cells, and reduced cytotoxicity to FR-negative cells. Thus, with 180 nm MSNs as the carriers for the prodrug system, good drug loading, selective targeting and sustained release of drug molecules within targeted cancer cells can be realized. This study may provide useful insights for designing and improving the applicability of MSNs in targeted anticancer prodrug systems.
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Affiliation(s)
- Jianquan Fan
- College of Materials Science & Engineering, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, People's Republic of China
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Chen J, Zhang P, Yu X, Li X, Tao H, Yi P. Fabrication of Novel Reversible Photoswitchable Fluorescent Nanoparticles. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2011. [DOI: 10.1080/15226514.2011.586287] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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48
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Grazon C, Rieger J, Méallet-Renault R, Clavier G, Charleux B. One-pot synthesis of pegylated fluorescent nanoparticles by RAFT miniemulsion polymerization using a phase inversion process. Macromol Rapid Commun 2011; 32:699-705. [PMID: 21491536 DOI: 10.1002/marc.201100008] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2011] [Indexed: 11/08/2022]
Abstract
Water-soluble and fluorescent core-shell nanoparticles (FNP) are synthesized in a miniemulsion reversible addition-fragmentation transfer (RAFT) polymerization and are shown to respond to pH. The particles are obtained from a hydrophilic PEO-b-PAA macromolecular RAFT agent which is block-extended with styrene and a fluorescent BODIPY monomer. A miniemulsion is then formed with the residual hydrophobic monomers. After completion of the polymerization, FNP of ≈ 60 nm in diameter are obtained. The fluorescence of the BODIPY dye in the particles is found to remain (0.2 quantum yield). The particles can be precipitated in acidic pH and redispersed upon addition of base without loss of their integrity or noticeable rearrangement.
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Affiliation(s)
- Chloé Grazon
- PPSM, ENS Cachan, CNRS, UniverSud, 61 av President Wilson, Cachan, France
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Ma B, Xu M, Zeng F, Huang L, Wu S. Micelle nanoparticles for FRET-based ratiometric sensing of mercury ions in water, biological fluids and living cells. NANOTECHNOLOGY 2011; 22:065501. [PMID: 21212478 DOI: 10.1088/0957-4484/22/6/065501] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A fluorescence resonance energy transfer (FRET) based ratiometric sensing system for mercury ions is built in nano-sized core/corona micelles formed by a poly(ethylene oxide)-b-polystyrene diblock copolymer. For this system, a hydrophobic fluorescein derivative (FLS-C12), which serves as the energy transfer donor, is incorporated into the micelle core during the micelle formation; and a spirolactam-rhodamine derivative (RhB-CS) as a probe for mercury ions is located at the micelle core/corona interface. An efficient ring-opening reaction of RhB-CS induced by mercury ions generates the long-wavelength rhodamine B fluorophore which can act as the energy acceptor, affording the micelle nanoparticles the water-dispersible FRET-based ratiometric detection system for mercury ions, with a detection limit of 0.1 µM in water. The donor and the probe fluorophores, with their structure being appropriately modified, can strongly bind (non-covalently) to the specific sites of the micelles and form a stable ratiometric sensor in water and in some biological fluids. In addition, with the water-soluble and biocompatible poly(ethylene oxide) (PEO) as the corona of the micelles, the nano-sized sensing system can readily permeate through cell membrane and detect intracellular Hg(2+) level changes.
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Affiliation(s)
- Boling Ma
- College of Materials Science & Engineering, South China University of Technology, Guangzhou, People's Republic of China
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50
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Chen J, Zhang P, Yu X, Li X, Tao H, Yi P. Fabrication of Novel Polymer Nanoparticle-Based Fluorescence Resonance Energy Transfer Systems and their Tunable Fluorescence Properties. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2011. [DOI: 10.1080/10601325.2011.544632] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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