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Foucaud Y, Dufrêche JF, Siboulet B, Duvail M, Jonchère A, Diat O, Vuilleumier R. Why local and non-local terms are essential for second harmonic generation simulation? Phys Chem Chem Phys 2022; 24:12961-12973. [PMID: 35580631 DOI: 10.1039/d1cp05437f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Second Harmonic Generation (SHG) today represents one of the most powerful techniques to selectively probe all types of interfaces. However, the origin of the SHG signal at a molecular level is still debated since the local dipole contribution, which is strongly correlated to the molecular orientation can be counterbalanced by non-local quadrupole contributions. Here, we propose a method to simulate the SHG signal of a model water/air interface from the molecular response of each contribution. This method includes both local and non-local terms, which are represented, respectively, by the dependency of the polarisability and hyperpolarisability upon the chemical environment of the molecule and by the bulk quadrupole response. The importance of both terms for the sound simulation of the SHG signals and their interpretation is assessed. We demonstrate that the sole dipole term is unable to simulate a SHG signal, even if the dependency of the hyperpolarisability on the local environment is considered. The inclusion of the bulk quadrupole contribution, which largely dominates the dipole contribution, is essential to predict the SHG response, although the accuracy of the prediction is increased when the dependency upon the local environment is considered.
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Affiliation(s)
- Yann Foucaud
- ICSM, Univ Montpellier, CEA, CNRS, ENSCM, Marcoule, France.
| | | | | | - Magali Duvail
- ICSM, Univ Montpellier, CEA, CNRS, ENSCM, Marcoule, France.
| | - Alban Jonchère
- ICSM, Univ Montpellier, CEA, CNRS, ENSCM, Marcoule, France.
| | - Olivier Diat
- ICSM, Univ Montpellier, CEA, CNRS, ENSCM, Marcoule, France.
| | - Rodolphe Vuilleumier
- PASTEUR, Département de Chimie, Ecole normale supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France.
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2
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Biesen L, Krenzer J, Nirmalananthan-Budau N, Resch-Genger U, Müller TJJ. Asymmetrically bridged aroyl- S, N-ketene acetal-based multichromophores with aggregation-induced tunable emission. Chem Sci 2022; 13:5374-5381. [PMID: 35655556 PMCID: PMC9093196 DOI: 10.1039/d2sc00415a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/11/2022] [Indexed: 12/28/2022] Open
Abstract
Asymmetrically bridged aroyl-S,N-ketene acetals and aroyl-S,N-ketene acetal multichromophores can be readily synthesized in consecutive three-, four-, or five-component syntheses in good to excellent yields by several successive Suzuki-couplings of aroyl-S,N-ketene acetals and bis(boronic)acid esters. Different aroyl-S,N-ketene acetals as well as linker molecules yield a library of 23 multichromophores with substitution and linker pattern-tunable emission properties. This allows control of different communication pathways between the chromophores and of aggregation-induced emission (AIE) and energy transfer (ET) properties, providing elaborate aggregation-based fluorescence switches. A library of 23 asymmetrically linked aroyl-S,N-ketene acetal solid-state emissive multichromophores accessed by one-pot multicomponent reactions exhibits AIE- and AIEE-active behavior as well as dual emission and potential energy transfer.![]()
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Affiliation(s)
- Lukas Biesen
- Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf Universitätsstraße 1 D-40225 Düsseldorf Germany
| | - Julius Krenzer
- Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf Universitätsstraße 1 D-40225 Düsseldorf Germany
| | - Nithiya Nirmalananthan-Budau
- Division Biophotonics, Bundesanstalt für Materialforschung und -prüfung (BAM), Department 1 Richard-Willstätter-Straße 11 D-12489 Berlin Germany
| | - Ute Resch-Genger
- Division Biophotonics, Bundesanstalt für Materialforschung und -prüfung (BAM), Department 1 Richard-Willstätter-Straße 11 D-12489 Berlin Germany
| | - Thomas J J Müller
- Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf Universitätsstraße 1 D-40225 Düsseldorf Germany
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3
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Foucaud Y, Siboulet B, Duvail M, Jonchere A, Diat O, Vuilleumier R, Dufrêche JF. Deciphering second harmonic generation signals. Chem Sci 2021; 12:15134-15142. [PMID: 34909155 PMCID: PMC8612378 DOI: 10.1039/d1sc03960a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/25/2021] [Indexed: 11/21/2022] Open
Abstract
Second harmonic generation (SHG) has emerged as one of the most powerful techniques used to selectively monitor surface dynamics and reactions for all types of interfaces as well as for imaging non-centrosymmetric structures, although the molecular origin of the SHG signal is still poorly understood. Here, we present a breakthrough approach to predict and interpret the SHG signal at the atomic level, which is freed from the hyperpolarisability concept and self-consistently considers the non-locality and the coupling with the environment. The direct ab initio method developed here shows that a bulk quadrupole contribution significantly overwhelms the interface dipole term in the purely interfacial induced second-order polarisation for water/air interfaces. The obtained simulated SHG responses are in unprecedented agreement with the experimental signal. This work not only paves the road for the prediction of SHG response from more complex interfaces of all types, but also suggests new insights in the interpretation of the SHG signal at a molecular level. In particular, it highlights the modest influence of the molecular orientation and the high significance of the bulk quadrupole contribution, which does not depend on the interface, in the total experimental response. Second harmonic generation is one of the most powerful techniques used to selectively probe interfaces of all types. The direct ab initio method developed here allows predicting the signal and highlights the importance of local and non-local effects.![]()
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Affiliation(s)
- Yann Foucaud
- ICSM, Univ Montpellier, CEA, CNRS, ENSCM Marcoule France
| | | | - Magali Duvail
- ICSM, Univ Montpellier, CEA, CNRS, ENSCM Marcoule France
| | - Alban Jonchere
- ICSM, Univ Montpellier, CEA, CNRS, ENSCM Marcoule France
| | - Olivier Diat
- ICSM, Univ Montpellier, CEA, CNRS, ENSCM Marcoule France
| | - Rodolphe Vuilleumier
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS 75005 Paris France
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4
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van Cleuvenbergen S, Depotter G, Clays K, Kędziora P. Second-order NLO response in chiral ferroelectric liquid crystals: Molecular and bulk consideration. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115328] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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5
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Yu K, Pan J, Husamelden E, Zhang H, He Q, Wei Y, Tian M. Aggregation-induced Emission Based Fluorogens for Mitochondria-targeted Tumor Imaging and Theranostics. Chem Asian J 2020; 15:3942-3960. [PMID: 33025759 DOI: 10.1002/asia.202001100] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 10/02/2020] [Indexed: 12/15/2022]
Abstract
Occurrence and development of cancer are multifactorial and multistep processes which involve complicated cellular signaling pathways. Mitochondria, as the energy producer in cells, play key roles in tumor cell growth and division. Since mitochondria of tumor cells have a more negative membrane potential than those of normal cells, several fluorescent imaging probes have been developed for mitochondria-targeted imaging and photodynamic therapy. Conventional fluorescent dyes suffer from aggregation-caused quenching effect, while novel aggregation-induced emission (AIE) probes are ideal candidates for biomedical applications due to their large stokes shift, strong photo-bleaching resistance, and high quantum yield. This review aims to introduce the recent advances in the design and application of mitochondria-targeted AIE probes. The comprehensive review focuses on the structure-property relationship of these imaging probes, expecting to inspire the development of more practical and versatile AIE fluorogens (AIEgens) as tumor imaging and therapy agents for preclinical and clinical use.
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Affiliation(s)
- Kaiwu Yu
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang Province, 310027, P. R. China
| | - Jiayue Pan
- Department of Nuclear Medicine and PET-CT Center, The Second Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, 310009, P. R. China
| | - Elkawad Husamelden
- Department of Nuclear Medicine and PET-CT Center, The Second Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, 310009, P. R. China
| | - Hong Zhang
- Department of Nuclear Medicine and PET-CT Center, The Second Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, 310009, P. R. China
| | - Qinggang He
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang Province, 310027, P. R. China
| | - Yen Wei
- Department of Chemistry and the Tsinghua Center for Frontier Polymer Research, Tsinghua University, Beijing, 100084, P. R. China
| | - Mei Tian
- Department of Nuclear Medicine and PET-CT Center, The Second Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, 310009, P. R. China
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6
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Prévot G, Bsaibess T, Daniel J, Genevois C, Clermont G, Sasaki I, Marais S, Couillaud F, Crauste-Manciet S, Blanchard-Desce M. Multimodal optical contrast agents as new tools for monitoring and tuning nanoemulsion internalisation into cancer cells. From live cell imaging to in vivo imaging of tumours. NANOSCALE ADVANCES 2020; 2:1590-1602. [PMID: 36132308 PMCID: PMC9416932 DOI: 10.1039/c9na00710e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 02/19/2020] [Indexed: 05/28/2023]
Abstract
Tailor-made NIR emitting dyes were designed as multimodal optical probes. These asymmetric amphiphilic compounds show combined intense absorption in the visible region, NIR fluorescence emission, high two-photon absorption in the NIR (with the maximum located around 1000 nm) as well as large Stokes' shift values and second-harmonic generation ability. Thanks to their structure, high loading into nanoemulsions (NEs) could be achieved leading to very high one- and two-photon brightness. These dyes were demonstrated to act as multimodal contrast agents able to generate different optical modalities of interest for bioimaging. Indeed, the uptake and carrier behaviour of the dye-loaded NEs into cancer cells could be monitored by simultaneous two-photon fluorescence and second-harmonic generation optical imaging. Multimodal imaging provided deep insight into the mechanism and kinetics of dye internalisation. Quite interestingly, the nature of the dyes was also found to influence both the kinetics of endocytosis and the internalisation pathways in glioblastoma cancer cells. By modulating the charge distribution within the dyes, the NEs can be tuned to escape lysosomes and enter the mitochondria. Moreover, surface functionalization with PEG macromolecules was realized to yield stealth NIRF-NEs which could be used for in vivo NIRF imaging of subcutaneous tumours in mice.
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Affiliation(s)
- Geoffrey Prévot
- Univ. Bordeaux, ARNA Laboratory, Team ChemBioPharm, U1212 INSERM - UMR 5320 CNRS 146 Rue Léo Saignat 33076 Bordeaux Cedex France
| | - Talia Bsaibess
- Univ. Bordeaux, Institut des Sciences Moléculaires (CNRS UMR 5255) 33405 Talence France
| | - Jonathan Daniel
- Univ. Bordeaux, Institut des Sciences Moléculaires (CNRS UMR 5255) 33405 Talence France
| | - Coralie Genevois
- Univ. Bordeaux, Molecular Imaging and Innovative Therapies (IMOTION), EA7435 Bordeaux 33000 France
| | - Guillaume Clermont
- Univ. Bordeaux, Institut des Sciences Moléculaires (CNRS UMR 5255) 33405 Talence France
| | - Isabelle Sasaki
- Univ. Bordeaux, Institut des Sciences Moléculaires (CNRS UMR 5255) 33405 Talence France
| | - Sebastien Marais
- Bordeaux Imaging Center, UMS 3420 CNRS - Univ. Bordeaux, US4 Inserm 33000 Bordeaux France
| | - Franck Couillaud
- Univ. Bordeaux, Molecular Imaging and Innovative Therapies (IMOTION), EA7435 Bordeaux 33000 France
| | - Sylvie Crauste-Manciet
- Univ. Bordeaux, ARNA Laboratory, Team ChemBioPharm, U1212 INSERM - UMR 5320 CNRS 146 Rue Léo Saignat 33076 Bordeaux Cedex France
- Pharmaceutical Technology Department, Bordeaux University Hospital Bordeaux France
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7
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Kingsbury JS, Elder DL, Johnson LE, Smolarski BA, Zeitler HE, Armbruster EG. Derivatives of DANPY (Dialkylaminonaphthylpyridinium), a DNA-Binding Fluorophore: Practical Synthesis of Tricyclic 2-Amino-6-bromonaphthalenes by Bucherer Reaction. ACS OMEGA 2020; 5:537-546. [PMID: 31956800 PMCID: PMC6964316 DOI: 10.1021/acsomega.9b03107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 12/09/2019] [Indexed: 06/10/2023]
Abstract
A simple and convergent way to synthesize 2-amino-6-bromonaphthalenes involves condensation of free secondary amines with the corresponding 2-naphthol under Bucherer conditions. The amination protocol relies on common Teflon-capped pressure flasks and has been used to modify the tertiary aminonaphthalene core of DANPY, a biocompatible chromophore shown to be safe and effective for staining a variety of cellular targets. Following a Suzuki reaction with pyridine 4-boronic acid, additional diversity is introduced upon N-alkylation to install the pyridinium cation. New DANPY derivatives and intermediates reported herein reflect the modularity of the dye nucleus, including the addition of groups useful for applications in membrane staining and DNA-based biophotonics.
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Affiliation(s)
- Jason S. Kingsbury
- Ahmanson Science
Center, California Lutheran University, 60 West Olsen Rd., Thousand Oaks, California 91360, United States
| | - Delwin L. Elder
- Department
of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195, United States
| | - Lewis E. Johnson
- Department
of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195, United States
| | - Brittany A. Smolarski
- Ahmanson Science
Center, California Lutheran University, 60 West Olsen Rd., Thousand Oaks, California 91360, United States
| | - Hannah E. Zeitler
- Department
of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195, United States
| | - Emily G. Armbruster
- Ahmanson Science
Center, California Lutheran University, 60 West Olsen Rd., Thousand Oaks, California 91360, United States
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8
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Johnson LE, Kingsbury JS, Elder DL, Cattolico RA, Latimer LN, Hardin W, De Meulenaere E, Deodato C, Depotter G, Madabushi S, Bigelow NW, Smolarski BA, Hougen TK, Kaminsky W, Clays K, Robinson BH. DANPY (dimethylaminonaphthylpyridinium): an economical and biocompatible fluorophore. Org Biomol Chem 2020; 17:3765-3780. [PMID: 30887974 DOI: 10.1039/c8ob02536c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dyes with nonlinear optical (NLO) properties enable new imaging techniques and photonic systems. We have developed a dye (DANPY-1) for photonics applications in biological substrates such as nucleic acids; however, the design specification also enables it to be used for visualizing biomolecules. It is a prototype dye demonstrating a water-soluble, NLO-active fluorophore with high photostability, a large Stokes shift, and a favorable toxicity profile. A practical and scalable synthetic route to DANPY salts has been optimized featuring: (1) convergent Pd-catalyzed Suzuki coupling with pyridine 4-boronic acid, (2) site-selective pyridyl N-methylation, and (3) direct recovery of crystalline intermediates without chromatography. We characterize the optical properties, biocompatibility, and biological staining behavior of DANPY-1. In addition to stability and solubility across a range of polar media, the DANPY-1 chromophore shows a first hyperpolarizability similar to common NLO dyes such as Disperse Red 1 and DAST, a large two-photon absorption cross section for its size, substantial affinity to nucleic acids in vitro, an ability to stain a variety of cellular components, and strong sensitivity of its fluorescence properties to its dielectric environment.
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Affiliation(s)
- Lewis E Johnson
- Department of Chemistry, University of Washington, Box 351700, Seattle, WA 98195, USA.
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9
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Licari G, Beckwith JS, Soleimanpour S, Matile S, Vauthey E. Detecting order and lateral pressure at biomimetic interfaces using a mechanosensitive second-harmonic-generation probe. Phys Chem Chem Phys 2018; 20:9328-9336. [DOI: 10.1039/c8cp00773j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A mechanosensitive harmonophore is used to probe the order and lateral pressure in phospholipid monolayers by surface-second harmonic generation.
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Affiliation(s)
- Giuseppe Licari
- Department of Physical Chemistry, University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Joseph S. Beckwith
- Department of Physical Chemistry, University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Saeideh Soleimanpour
- Department of Organic Chemistry, University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Eric Vauthey
- Department of Physical Chemistry, University of Geneva
- CH-1211 Geneva 4
- Switzerland
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10
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Danko M, Hrdlovič P, Martinická A, Benda A, Cigáň M. Spectral properties of ionic benzotristhiazole based donor-acceptor NLO-phores in polymer matrices and their one- and two-photon cellular imaging ability. Photochem Photobiol Sci 2017; 16:1832-1844. [PMID: 29143829 DOI: 10.1039/c7pp00239d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A series of ionic benzotristhiazolium (BTT) push-pull chromophores, with different nitrogen donor groups and different lengths of conjugated bridges, was successfully doped in polar polymer matrices (PVC and PSS). The spectral (photophysical) properties of their low concentration thin polymeric films are compared with those in solution and are discussed in terms of matrix polarity/viscosity influence, specific polymer-chromophore interaction, structure-spectral property relationship and Twisted Intramolecular Charge-Transfer (TICT) state formation. The elimination of a non-emissive phantom and TICT state formation by restricted intramolecular rotations in the polymer matrix or viscous solvent results in a relatively high ΦF of all the investigated NLO-phores; particularly for near-infrared NIR molecular rotors bearing diphenylamino and julolidine donor groups. Because of cationic characteristics, small molecular weight, calculated high second hyperpolarizability and significant emission efficiency dependence on surroundings' viscosity (rigidochromic effect), two dyes were chosen as candidates for potential fluorescent probes for one-photon (1P) and two photon (2P) cellular imaging. The selected BTT NLO-phore with a julolidine donor is promising as a mitochondria-specific fluorescent small molecular probe for live cell super-resolution imaging with low cytotoxicity and good photostability, and is also potentially suitable for super-resolution STED imaging.
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Affiliation(s)
- M Danko
- Polymer Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovak Republic.
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11
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Buckley LER, Coe BJ, Rusanova D, Joshi VD, Sánchez S, Jirásek M, Vávra J, Khobragade D, Severa L, Císařová I, Šaman D, Pohl R, Clays K, Depotter G, Brunschwig BS, Teplý F. Tunable Chiral Second-Order Nonlinear Optical Chromophores Based on Helquat Dications. J Phys Chem A 2017; 121:5842-5855. [PMID: 28703585 DOI: 10.1021/acs.jpca.7b06057] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Fourteen new dipolar cations have been synthesized, containing methoxy or tertiary amino electron donor groups attached to helquat (Hq) acceptors. These Hq derivatives have been characterized as their TfO- salts by using various techniques including NMR and electronic absorption spectroscopies. UV-vis spectra show intense, relatively low energy absorptions with λmax ≈ 400-600 nm, attributable to intramolecular charge-transfer (ICT) excitations. Single-crystal X-ray structures have been solved for two of the chromophores, one as its PF6- salt, revealing centrosymmetric packing arrangements (space groups Pbca and P1̅). Molecular quadratic nonlinear optical (NLO) responses have been determined directly by using hyper-Rayleigh scattering (HRS) with a 800 nm laser, and indirectly via Stark (electroabsorption) spectroscopy for the low energy absorption bands. The obtained static first hyperpolarizabilities β0 range from moderate to large: (9-140) × 10-30 esu from HRS in MeCN and (44-580) × 10-30 esu from the Stark data in PrCN. The magnitude of β0 increases upon either extending the π-conjugation length or replacing a methoxy with a tertiary amino electron donor substituent. Density functional theory (DFT) and time-dependent DFT calculations on selected tertiary amino chromophores confirm that the low energy absorptions have ICT character. Relatively good agreement between the simulated and experimental UV-vis absorption spectra is achieved by using the CAM-B3LYP functional with the 6-311G(d) basis set. The βtot values predicted by using DFT at the same level of theory are large ((472-1443) × 10-30 esu in MeCN). Both the theoretical and experimental results show that para-conjugation between Hq and electron donor fragments is optimal, and enlarging the Hq unit is inconsequential with respect to the molecular quadratic NLO response.
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Affiliation(s)
- Laura E R Buckley
- School of Chemistry, The University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Benjamin J Coe
- School of Chemistry, The University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Daniela Rusanova
- School of Chemistry, The University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Vishwas D Joshi
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences , Flemingovo n. 2, 166 10 Prague 6, Czech Republic
| | - Sergio Sánchez
- School of Chemistry, The University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Michael Jirásek
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences , Flemingovo n. 2, 166 10 Prague 6, Czech Republic
| | - Jan Vávra
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences , Flemingovo n. 2, 166 10 Prague 6, Czech Republic
| | - Dushant Khobragade
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences , Flemingovo n. 2, 166 10 Prague 6, Czech Republic
| | - Lukáš Severa
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences , Flemingovo n. 2, 166 10 Prague 6, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Charles University , Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - David Šaman
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences , Flemingovo n. 2, 166 10 Prague 6, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences , Flemingovo n. 2, 166 10 Prague 6, Czech Republic
| | - Koen Clays
- Department of Chemistry, University of Leuven , Celestijnenlaan 200 D, B-3001, Leuven, Belgium
| | - Griet Depotter
- Department of Chemistry, University of Leuven , Celestijnenlaan 200 D, B-3001, Leuven, Belgium
| | - Bruce S Brunschwig
- Molecular Materials Research Center, Beckman Institute, MC 139-74, California Institute of Technology , 1200 East California Boulevard, Pasadena, California 91125, United States
| | - Filip Teplý
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences , Flemingovo n. 2, 166 10 Prague 6, Czech Republic
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12
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Su J, Zhang J, Tian X, Zhao M, Song T, Yu J, Cui Y, Qian G, Zhong H, Luo L, Zhang Y, Wang C, Li S, Yang J, Zhou H, Wu J, Tian Y. A series of multifunctional coordination polymers based on terpyridine and zinc halide: second-harmonic generation and two-photon absorption properties and intracellular imaging. J Mater Chem B 2017; 5:5458-5463. [PMID: 32264085 DOI: 10.1039/c6tb03321k] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
How can imaging be improved? Coordination polymers (CPs) show fascinating potential in optoelectronic optics but limited potential in bioimaging. Without doubt, it was very meaningful when CPs were first used in second-harmonic generation (SHG) imaging. Herein, through reasonable design and synthesis, a series of nonlinear optical CPs bearing very good one-photon excited fluorescence (OPEF), two-photon excited fluorescence (TPEF) and very strong SHG properties has been presented. Further study demonstrated that the nanoscale CPs show very strong SHG signals which have been applied in the three-dimensional imaging of thick block tissue with higher spatial resolution through simultaneous multichannel nonlinear optical (NLO) imaging technology. After simple encapsulation by polymeric micelles, the nanoscale CPs were successfully applied in SHG bio-imaging within the living cells. This finding throws light on the design of nanoscale NLO CPs and offers a simple avenue to develop novel effective exogenous SHG imaging agents.
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Affiliation(s)
- Jian Su
- Department of Chemistry, Anhui University, Hefei 230039, P. R. China.
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13
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Buckley LER, Coe BJ, Rusanova D, Sánchez S, Jirásek M, Joshi VD, Vávra J, Khobragade D, Pospíšil L, Ramešová Š, Císařová I, Šaman D, Pohl R, Clays K, Van Steerteghem N, Brunschwig BS, Teplý F. Ferrocenyl helquats: unusual chiral organometallic nonlinear optical chromophores. Dalton Trans 2017; 46:1052-1064. [PMID: 28050611 DOI: 10.1039/c6dt04347j] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Three new dipolar cations have been synthesised, containing ferrocenyl (Fc) electron donor groups attached to helquat (Hq) acceptors. These organometallic Hq derivatives have been characterised as their TfO- salts by using various techniques including NMR and electronic absorption spectroscopies and electrochemical measurements. UV-vis spectra show multiple intense low energy absorptions attributable to intramolecular charge-transfer (ICT) excitations. Each compound displays a reversible Fc+/0 redox process, together with two reversible one-electron reductions of the Hq fragment. Molecular quadratic nonlinear optical (NLO) responses have been determined by using hyper-Rayleigh scattering at 1064 nm, and Stark (electroabsorption) spectroscopic studies on the visible absorption bands. The obtained first hyperpolarizabilities β are moderate, consistent with the relatively short π-conjugation lengths between the Fc and attached pyridinium group. A single-crystal X-ray structure has been solved for one of the complexes as its PF6- salt, revealing a centrosymmetric packing in the triclinic space group P1[combining macron]. Density functional theory (DFT) and time-dependent DFT calculations indicate that the lowest energy absorption bands have mainly metal-to-ligand charge-transfer character. The donor orbitals involved in the electronic transitions forming the next lowest energy ICT band also have substantial contributions from the Fe atom. Good agreement between the simulated and experimental UV-vis absorption spectra is achieved by using the PBE0 functional with the 6-311++G(d)/LANL2DZ mixed basis set, and the theoretical β values are reasonably large. Oxidation of the Fc unit is predicted to cause the βtot value to decrease by more than 80% in one of the complexes.
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Affiliation(s)
- Laura E R Buckley
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
| | - Benjamin J Coe
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
| | - Daniela Rusanova
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
| | - Sergio Sánchez
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
| | - Michael Jirásek
- The Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 542/2, 166 10 Prague 6, Czech Republic.
| | - Vishwas D Joshi
- The Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 542/2, 166 10 Prague 6, Czech Republic.
| | - Jan Vávra
- The Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 542/2, 166 10 Prague 6, Czech Republic.
| | - Dushant Khobragade
- The Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 542/2, 166 10 Prague 6, Czech Republic.
| | - Lubomír Pospíšil
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, 18223 Prague 8, Czech Republic
| | - Šárka Ramešová
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, 18223 Prague 8, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - David Šaman
- The Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 542/2, 166 10 Prague 6, Czech Republic.
| | - Radek Pohl
- The Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 542/2, 166 10 Prague 6, Czech Republic.
| | - Koen Clays
- Department of Chemistry, University of Leuven, Celestijnenlaan 200 D, B-3001, Belgium
| | - Nick Van Steerteghem
- Department of Chemistry, University of Leuven, Celestijnenlaan 200 D, B-3001, Belgium
| | - Bruce S Brunschwig
- Molecular Materials Research Center, Beckman Institute, MC 139-74, California Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, USA
| | - Filip Teplý
- The Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo n. 542/2, 166 10 Prague 6, Czech Republic.
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14
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Rananaware A, Abraham AN, La DD, Mistry V, Shukla R, Bhosale SV. Synthesis of a Tetraphenylethene-Substituted Tetrapyridinium Salt with Multifunctionality: Mechanochromism, Cancer Cell Imaging, and DNA Marking. Aust J Chem 2017. [DOI: 10.1071/ch16459] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The development of functional materials is a crucial step in the development of newer and better technologies. The development of efficient luminescent materials, whose potential lie in applications in fields such as electronics, optics, data storage, and biological sciences, through simple synthetic procedures is therefore of interest. Herein, we report the synthesis of a tetrapyridinium-tetraphenylethylene (TPy-TPE) luminogen with multiple functionalities. TPy-TPE displayed characteristic features of an aggregation-induced emission material being weakly emissive in solution, but strongly emissive when aggregated and in the solid state. The solid-state emission of TPy-TPE can be reversibly switched between green and yellow by grinding–fuming/heating processes with a high contrast due to a transformation from a crystalline to an amorphous state and vice versa. TPy-TPE also works as a good fluorescent visualiser for specific staining for cellular imaging and as a DNA marker.
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15
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Xu W, Zeng Z, Jiang JH, Chang YT, Yuan L. Wahrnehmung der chemischen Prozesse in einzelnen Organellen mit niedermolekularen Fluoreszenzsonden. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201510721] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Wang Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 Volksrepublik China
- Department of Chemistry and Medicinal Chemistry Programme; National University of Singapore; Singapore 117543 Singapur
- Laboratory of Bioimaging Probe Development, A*STAR; Singapur
- Department of Chemistry; Stanford University; USA
| | - Zebing Zeng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 Volksrepublik China
| | - Jian-Hui Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 Volksrepublik China
| | - Young-Tae Chang
- Department of Chemistry and Medicinal Chemistry Programme; National University of Singapore; Singapore 117543 Singapur
- Laboratory of Bioimaging Probe Development, A*STAR; Singapur
| | - Lin Yuan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 Volksrepublik China
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16
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Xu W, Zeng Z, Jiang JH, Chang YT, Yuan L. Discerning the Chemistry in Individual Organelles with Small-Molecule Fluorescent Probes. Angew Chem Int Ed Engl 2016; 55:13658-13699. [DOI: 10.1002/anie.201510721] [Citation(s) in RCA: 526] [Impact Index Per Article: 65.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Indexed: 12/22/2022]
Affiliation(s)
- Wang Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P.R. China
- Department of Chemistry and Medicinal Chemistry Programme; National University of Singapore; Singapore 117543 Singapore
- Laboratory of Bioimaging Probe Development, A*STAR; Singapore
- Department of Chemistry; Stanford University; USA
| | - Zebing Zeng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P.R. China
| | - Jian-Hui Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P.R. China
| | - Young-Tae Chang
- Department of Chemistry and Medicinal Chemistry Programme; National University of Singapore; Singapore 117543 Singapore
- Laboratory of Bioimaging Probe Development, A*STAR; Singapore
| | - Lin Yuan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P.R. China
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17
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Hung ST, Bhuyan A, Schademan K, Steverlynck J, McCluskey MD, Koeckelberghs G, Clays K, Kuzyk MG. Spectroscopic studies of the mechanism of reversible photodegradation of 1-substituted aminoanthraquinone-doped polymers. J Chem Phys 2016; 144:114902. [PMID: 27004896 DOI: 10.1063/1.4943963] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The mechanism of reversible photodegradation of 1-substituted aminoanthraquinones doped into poly(methyl methacrylate) and polystyrene is investigated. Time-dependent density functional theory is employed to predict the transition energies and corresponding oscillator strengths of the proposed reversibly and irreversibly damaged dye species. Ultraviolet-visible and Fourier transform infrared (FTIR) spectroscopy are used to characterize which species are present. FTIR spectroscopy indicates that both dye and polymer undergo reversible photodegradation when irradiated with a visible laser. These findings suggest that photodegradation of 1-substituted aminoanthraquinones doped in polymers originates from interactions between dyes and photoinduced thermally degraded polymers, and the metastable product may recover or further degrade irreversibly.
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Affiliation(s)
- Sheng-Ting Hung
- Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164-2814, USA
| | - Ankita Bhuyan
- Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164-2814, USA
| | - Kyle Schademan
- Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164-2814, USA
| | - Joost Steverlynck
- Department of Chemistry, University of Leuven, Leuven B-3001, Belgium
| | - Matthew D McCluskey
- Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164-2814, USA
| | - Guy Koeckelberghs
- Department of Chemistry, University of Leuven, Leuven B-3001, Belgium
| | - Koen Clays
- Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164-2814, USA
| | - Mark G Kuzyk
- Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164-2814, USA
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18
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Zhang J, Chen W, Kalytchuk S, Li KF, Chen R, Adachi C, Chen Z, Rogach AL, Zhu G, Yu PKN, Zhang W, Cheah KW, Zhang X, Lee CS. Self-Assembly of Electron Donor-Acceptor-Based Carbazole Derivatives: Novel Fluorescent Organic Nanoprobes for Both One- and Two-Photon Cellular Imaging. ACS APPLIED MATERIALS & INTERFACES 2016; 8:11355-11365. [PMID: 27097920 DOI: 10.1021/acsami.6b03259] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In this study, we report fluorescent organic nanoprobes with intense blue, green, and orange-red emissions prepared by self-assembling three carbazole derivatives into nanorods/nanoparticles. The three compounds consist of two or four electron-donating carbazole groups linked to a central dicyanobenzene electron acceptor. Steric hindrance from the carbazole groups leads to noncoplanar 3D molecular structures favorable to fluorescence in the solid state, while the donor-acceptor structures endow the molecules with good two-photon excited emission properties. The fluorescent organic nanoprobes exhibit good water dispersibility, low cytotoxicity, superior resistance against photodegradation and photobleaching. Both one- and two-photon fluorescent imaging were shown in the A549 cell line. Two-photon fluorescence imaging with the fluorescent probes was demonstrated to be more effective in visualizing and distinguishing cellular details compared to conventional one-photon fluorescence imaging.
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Affiliation(s)
- Jinfeng Zhang
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong & City University of Hong Kong Shenzhen Research Institute , Shenzhen, Guangdong, P. R. China
| | - Wencheng Chen
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong & City University of Hong Kong Shenzhen Research Institute , Shenzhen, Guangdong, P. R. China
| | | | - King Fai Li
- Department of Physics and Institute of Advanced Materials, Hong Kong Baptist University , Kowloon Tong, Hong Kong SAR 999077, P. R. China
| | - Rui Chen
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong & City University of Hong Kong Shenzhen Research Institute , Shenzhen, Guangdong, P. R. China
| | - Chihaya Adachi
- Center for Organic Photonics and Electronics Research (OPERA), Kyushu University , 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Zhan Chen
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong & City University of Hong Kong Shenzhen Research Institute , Shenzhen, Guangdong, P. R. China
- Nano-organic Photoelectronic Laboratory, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | | | | | | | - Wenjun Zhang
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong & City University of Hong Kong Shenzhen Research Institute , Shenzhen, Guangdong, P. R. China
| | - Kok Wai Cheah
- Department of Physics and Institute of Advanced Materials, Hong Kong Baptist University , Kowloon Tong, Hong Kong SAR 999077, P. R. China
| | - Xiaohong Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou, Jiangsu 215123, P. R. China
| | - Chun-Sing Lee
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong & City University of Hong Kong Shenzhen Research Institute , Shenzhen, Guangdong, P. R. China
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19
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Kamada K, Namikawa T, Senatore S, Matthews C, Lenne PF, Maury O, Andraud C, Ponce-Vargas M, Le Guennic B, Jacquemin D, Agbo P, An DD, Gauny SS, Liu X, Abergel RJ, Fages F, D'Aléo A. Boron Difluoride Curcuminoid Fluorophores with Enhanced Two-Photon Excited Fluorescence Emission and Versatile Living-Cell Imaging Properties. Chemistry 2016; 22:5219-32. [DOI: 10.1002/chem.201504903] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Indexed: 12/16/2022]
Affiliation(s)
- Kenji Kamada
- IFMRI; National Institute of Advanced Industrial Science and Technology, Ikeda; Osaka 563-8577 Japan
- Department of Chemistry; School of Science and Technology; Kwansei Gakuin University, Sanda; Hyogo 669-1337 Japan
| | - Tomotaka Namikawa
- Department of Chemistry; School of Science and Technology; Kwansei Gakuin University, Sanda; Hyogo 669-1337 Japan
| | - Sébastien Senatore
- Aix Marseille Université, CNRS; Institutde Biologie du Développement de Marseille, UMR7288; 13288 Marseille 9 France
| | - Cédric Matthews
- Aix Marseille Université, CNRS; Institutde Biologie du Développement de Marseille, UMR7288; 13288 Marseille 9 France
| | - Pierre-François Lenne
- Aix Marseille Université, CNRS; Institutde Biologie du Développement de Marseille, UMR7288; 13288 Marseille 9 France
| | - Olivier Maury
- Université Lyon 1; ENS Lyon, CNRS, UMR 5182, 69364; Lyon France
| | - Chantal Andraud
- Université Lyon 1; ENS Lyon, CNRS, UMR 5182, 69364; Lyon France
| | - Miguel Ponce-Vargas
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS; Université de Rennes 1; 263 Avenue du Général Leclerc 35042 Rennes Cedex France
| | - Boris Le Guennic
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS; Université de Rennes 1; 263 Avenue du Général Leclerc 35042 Rennes Cedex France
| | - Denis Jacquemin
- Laboratoire CEISAM, UMR CNRS 6230; Université de Nantes; 2 Rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
- Institut Universitaire de France; 1 Rue Descartes 75005 Paris Cedex 05 France
| | - Peter Agbo
- Chemical Sciences Division; Lawrence Berkeley National Laboratory; Berkeley CA 94720 USA
| | - Dahlia D. An
- Chemical Sciences Division; Lawrence Berkeley National Laboratory; Berkeley CA 94720 USA
| | - Stacey S. Gauny
- Chemical Sciences Division; Lawrence Berkeley National Laboratory; Berkeley CA 94720 USA
| | - Xin Liu
- Chemical Sciences Division; Lawrence Berkeley National Laboratory; Berkeley CA 94720 USA
| | - Rebecca J. Abergel
- Chemical Sciences Division; Lawrence Berkeley National Laboratory; Berkeley CA 94720 USA
| | - Frédéric Fages
- Aix Marseille Université, CNRS, CINaM UMR 7325, Campus de Luminy; Case 913 13288 Marseille France
| | - Anthony D'Aléo
- Aix Marseille Université, CNRS, CINaM UMR 7325, Campus de Luminy; Case 913 13288 Marseille France
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20
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Xu Z, Xu L. Fluorescent probes for the selective detection of chemical species inside mitochondria. Chem Commun (Camb) 2016; 52:1094-119. [DOI: 10.1039/c5cc09248e] [Citation(s) in RCA: 220] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This feature article systematically summarizes the development of fluorescent probes for the selective detection of chemical species inside mitochondria.
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Affiliation(s)
- Zheng Xu
- Chongqing Key Laboratory of Environmental Materials and Remediation Technology
- College of Materials and Chemical Engineering
- Chongqing University of Arts and Sciences
- Chongqing
- China
| | - Lin Xu
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
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21
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Gattuso H, Dumont E, Marazzi M, Monari A. Two-photon-absorption DNA sensitization via solvated electron production: unraveling photochemical pathways by molecular modeling and simulation. Phys Chem Chem Phys 2016; 18:18598-606. [DOI: 10.1039/c6cp02592g] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Infrared optical properties and photochemistry of a potential therapeutic dye interacting with DNA: a multiscale computational approach.
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Affiliation(s)
- Hugo Gattuso
- Université de Lorraine – Nancy
- Theory-Modeling-Simulation SRSMC
- Vandoeuvre-les-Nancy
- France
- CNRS
| | - Elise Dumont
- Ecole Normale Supérieure de Lyon and CNRS
- Laboratoire de Chimie
- Lyon
- France
| | - Marco Marazzi
- Université de Lorraine – Nancy
- Theory-Modeling-Simulation SRSMC
- Vandoeuvre-les-Nancy
- France
- CNRS
| | - Antonio Monari
- Université de Lorraine – Nancy
- Theory-Modeling-Simulation SRSMC
- Vandoeuvre-les-Nancy
- France
- CNRS
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22
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Kato SI, Noguchi H, Jin S, Nakamura Y. Synthesis and Electronic, Optical, and Electrochemical Properties of a Series of Tetracyanobutadiene-Substituted Carbazoles. ASIAN J ORG CHEM 2015. [DOI: 10.1002/ajoc.201500431] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shin-ichiro Kato
- Division of Molecular Science; Faculty of Science and Technology; Gunma University; 1-5-1 Tenjin-cho Kiryu Gunma 376-8515 Japan
| | - Hiroto Noguchi
- Division of Molecular Science; Faculty of Science and Technology; Gunma University; 1-5-1 Tenjin-cho Kiryu Gunma 376-8515 Japan
| | - Satoshi Jin
- Division of Molecular Science; Faculty of Science and Technology; Gunma University; 1-5-1 Tenjin-cho Kiryu Gunma 376-8515 Japan
| | - Yosuke Nakamura
- Division of Molecular Science; Faculty of Science and Technology; Gunma University; 1-5-1 Tenjin-cho Kiryu Gunma 376-8515 Japan
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23
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López-Duarte I, Chairatana P, Wu Y, Pérez-Moreno J, Bennett PM, Reeve JE, Boczarow I, Kaluza W, Hosny NA, Stranks SD, Nicholas RJ, Clays K, Kuimova MK, Anderson HL. Thiophene-based dyes for probing membranes. Org Biomol Chem 2015; 13:3792-802. [PMID: 25703541 DOI: 10.1039/c4ob02507e] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We report the synthesis of four new cationic dipolar push–pull dyes, together with an evaluation of their photophysical and photobiological characteristics pertinent to imaging membranes by fluorescence and second harmonic generation (SHG). All four dyes consist of an N,N-diethylaniline electron-donor conjugated to a pyridinium electron-acceptor via a thiophene bridge, with either vinylene (–CH=CH–) or ethynylene (–C≡C–) linking groups, and with either singly-charged or doubly-charged pyridinium terminals. The absorption and fluorescence behavior of these dyes were compared to a commercially available fluorescent membrane stain, the styryl dye FM4-64. The hyperpolarizabilities of all dyes were compared using hyper-Rayleigh scattering at 800 nm. Cellular uptake, localization, toxicity and phototoxicity were evaluated using tissue cell cultures (HeLa, SK-OV-3 and MDA-231). Replacing the central alkene bridge of FM4-64 with a thiophene does not substantially change the absorption, fluorescence or hyperpolarizability, whereas changing the vinylene-links to ethynylenes shifts the absorption and fluorescence to shorter wavelengths, and reduces the hyperpolarizability by about a factor of two. SHG and fluorescence imaging experiments in live cells showed that the doubly-charged thiophene dyes localize in plasma membranes, and exhibit lower internalization rates compared to FM4-64, resulting in less signal from the cell cytosol. At a typical imaging concentration of 1 μM, the doubly-charged dyes showed no significant light or dark toxicity, whereas the singly-charged dyes are phototoxic even at 0.5 μM. The doubly-charged dyes showed phototoxicity at concentrations greater than 10 μM, although they do not generate singlet oxygen, indicating that the phototoxicity is type I rather than type II. The doubly-charged thiophene dyes are more effective than FM4-64 as SHG dyes for live cells.
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Affiliation(s)
- Ismael López-Duarte
- Department of Chemistry, Oxford University, Chemistry Research Laboratory, Oxford, UK OX1 3TA.
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24
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Coe BJ, Foxon SP, Pilkington RA, Sánchez S, Whittaker D, Clays K, Depotter G, Brunschwig BS. Nonlinear Optical Chromophores with Two Ferrocenyl, Octamethylferrocenyl, or 4-(Diphenylamino)phenyl Groups Attached to Rhenium(I) or Zinc(II) Centers. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00193] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Benjamin J. Coe
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Simon P. Foxon
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Rachel A. Pilkington
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Sergio Sánchez
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Daniel Whittaker
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Koen Clays
- Department
of Chemistry, University of Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - Griet Depotter
- Department
of Chemistry, University of Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - Bruce S. Brunschwig
- Molecular
Materials Research Center, Beckman Institute, MC 139-74, California Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, United States
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25
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Sinha SS, Paul DK, Kanchanapally R, Pramanik A, Chavva SR, Viraka Nellore BP, Jones SJ, Ray PC. Long-range two-photon scattering spectroscopy ruler for screening prostate cancer cells. Chem Sci 2015; 6:2411-2418. [PMID: 29308154 PMCID: PMC5646206 DOI: 10.1039/c4sc03843f] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 02/02/2015] [Indexed: 12/14/2022] Open
Abstract
Optical rulers have served as a key tool for scientists from different disciplines to address a wide range of biological activity. Since the optical window of state of the art FRET rulers is limited to a 10 nm distance, developing long range optical rulers is very important to monitor real life biological processes. Driven by this need, the current manuscript reports for the first time the design of long-range two-photon scattering (TPS) spectroscopy rulers using gold nano-antenna separated by a bifunctional rigid double strand DNA molecule, which controls the spectroscopy ruler length. Reported data demonstrate that the TPS spectroscopy ruler's working window is a within a 25 nm distance, which is more than twice that of well recognized FRET optical ruler. A possible mechanism for the two-photon spectroscopy ruler's long range capability have been discussed using angle-resolved TPS measurement and FDTD simulations. Solution-phase experimental data demonstrated that a long-range TPS ruler using A9 aptamer can be used for the screening of prostate-specific membrane antigen (PSMA) (+) prostate cancer cells even at 5 cells per mL level. Reported result with PSMA (-) normal skin HaCaT cells indicate that TPS ruler based assay has the capability to enable distinction from non-targeted cell lines. Ultimately, the long range TPS ruler can be used towards better understanding of chemical and biological processes.
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Affiliation(s)
- Sudarson Sekhar Sinha
- Department of Chemistry and Biochemistry , Jackson State University , Jackson , MS , USA .
| | - Dilip K Paul
- Department of Chemistry and Biochemistry , Jackson State University , Jackson , MS , USA .
| | | | - Avijit Pramanik
- Department of Chemistry and Biochemistry , Jackson State University , Jackson , MS , USA .
| | - Suhash Reddy Chavva
- Department of Chemistry and Biochemistry , Jackson State University , Jackson , MS , USA .
| | | | - Stacy J Jones
- Department of Chemistry and Biochemistry , Jackson State University , Jackson , MS , USA .
| | - Paresh Chandra Ray
- Department of Chemistry and Biochemistry , Jackson State University , Jackson , MS , USA .
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26
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Psilodimitrakopoulos S, Loza-Alvarez P, Artigas D. Fast monitoring of in-vivo conformational changes in myosin using single scan polarization-SHG microscopy. BIOMEDICAL OPTICS EXPRESS 2014; 5:4362-73. [PMID: 25574444 PMCID: PMC4285611 DOI: 10.1364/boe.5.004362] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 11/20/2014] [Accepted: 11/20/2014] [Indexed: 05/18/2023]
Abstract
Fast imaging of molecular changes under high-resolution and label-free conditions are essential for understanding in-vivo processes, however, current techniques are not able to monitor such changes in real time. Polarization sensitive second harmonic generation (PSHG) imaging is a minimally invasive optical microscopy technique capable of quantifying molecular conformational changes occurring below the diffraction limit. Up to now, such information is generally retrieved by exciting the sample with different linear polarizations. This procedure requires the sample to remain static during measurements (from a few second to minutes), preventing the use of PSHG microscopy from studying moving samples or molecular dynamics in living organisms. Here we demonstrate an imaging method that is one order of magnitude faster than conventional PSHG. Based on circular polarization excitation and instantaneous polarimetry analysis of the second harmonic signal generated in the tissue, the method is able to instantaneously obtain molecular information within a pixel dwell time. As a consequence, a single scan is only required to retrieve all the information. This allowed us to perform PSHG imaging in moving C. elegans, monitoring myosin's dynamics during the muscular contraction and relaxation. Since the method provides images of the molecular state, an unprecedented global understanding of the muscles dynamics is possible by correlating changes in different regions of the sample.
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Affiliation(s)
| | - Pablo Loza-Alvarez
- ICFO-Institut de Ciències Fotòniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona),
Spain
| | - David Artigas
- ICFO-Institut de Ciències Fotòniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona),
Spain
- Department of Signal Theory and Communications, Universitat Politècnica de Catalunya, 08034,
Spain
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27
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Niko Y, Moritomo H, Sugihara H, Suzuki Y, Kawamata J, Konishi GI. A novel pyrene-based two-photon active fluorescent dye efficiently excited and emitting in the 'tissue optical window (650-1100 nm)'. J Mater Chem B 2014; 3:184-190. [PMID: 32261938 DOI: 10.1039/c4tb01404a] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The development of two-photon (TP) active fluorophores remains an important issue. Dyes that can be excited and fluoresce efficiently in the 'tissue optical window' (650-1100 nm) are especially in demand to maximize the underlying performance of two-photon fluorescence microscopy (TPFM) as an advanced optical technique. Ideally, such dyes would be compatible with the 1050 nm femtosecond fibre laser, which has recently been developed as an inexpensive excitation source to make the TPFM technique universal. In this work, we designed and synthesized a novel pyrene-based acceptor-π-acceptor (A-π-A) dye, PY, which exhibited outstanding properties such as bright fluorescence (λem = 650 nm and ΦFL = 0.80) and a large two-photon absorption cross-section (1100 GM (1 GM = 10-50 cm4 per photon per molecule) at 950 nm and 380 GM at 1050 nm) in the tissue optical window. In living mitochondria, PY provided more sensitive microscopic images than current dyes and showed great potential to be a building block of TP active fluorescent probes for the 1050 nm fibre laser. We believe that the exceptional properties of PY will be extended to other fluorescent probes through further chemical modification.
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Affiliation(s)
- Yosuke Niko
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1, Ookayama, Tokyo 152-8552, Japan.
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28
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Carvalho PHPR, Correa JR, Guido BC, Gatto CC, De Oliveira HCB, Soares TA, Neto BAD. Designed Benzothiadiazole Fluorophores for Selective Mitochondrial Imaging and Dynamics. Chemistry 2014; 20:15360-74. [DOI: 10.1002/chem.201404039] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Indexed: 11/06/2022]
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29
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Miao F, Zhang W, Sun Y, Zhang R, Liu Y, Guo F, Song G, Tian M, Yu X. Novel fluorescent probes for highly selective two-photon imaging of mitochondria in living cells. Biosens Bioelectron 2014; 55:423-9. [DOI: 10.1016/j.bios.2013.12.044] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 12/12/2013] [Accepted: 12/20/2013] [Indexed: 12/16/2022]
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30
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Coe BJ, Pilkington RA. Theoretical Studies on Two-Dimensional Nonlinear Optical Chromophores with Pyrazinyl Cores and Organic or Ruthenium(II) Ammine Electron Donors. J Phys Chem A 2014; 118:2253-68. [DOI: 10.1021/jp4114927] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Benjamin J. Coe
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Rachel A. Pilkington
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
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31
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Fan Y, Zhao J, Yan Q, Chen PR, Zhao D. Water-soluble triscyclometalated organoiridium complex: phosphorescent nanoparticle formation, nonlinear optics, and application for cell imaging. ACS APPLIED MATERIALS & INTERFACES 2014; 6:3122-3131. [PMID: 24517374 DOI: 10.1021/am500549y] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Two water-soluble triscyclometalated organoiridium complexes, 1 and 2, with polar side chains that form nanoparticles emitting bright-red phosphorescence in water were synthesized. The optimal emitting properties are related to both the triscyclometalated structure and nanoparticle-forming ability in aqueous solution. Nonlinear optical properties are also observed with the nanoparticles. Because of their proper cellular uptake in addition to high emission brightness and effective two-photon absorbing ability, cell imaging can be achieved with nanoparticles of 2 bearing quaternary ammonium side chains at ultra-low effective concentrations using NIR incident light via the multiphoton excitation phosphorescence process.
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Affiliation(s)
- Yuanpeng Fan
- Beijing National Laboratory for Molecular Sciences, Department of Applied Chemistry and the Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry, Peking University , Beijing 100871, China
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32
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Coe BJ, Helliwell M, Peers MK, Raftery J, Rusanova D, Clays K, Depotter G, Brunschwig BS. Synthesis, Structures, and Optical Properties of Ruthenium(II) Complexes of the Tris(1-pyrazolyl)methane Ligand. Inorg Chem 2014; 53:3798-811. [DOI: 10.1021/ic500145r] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Benjamin J. Coe
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Madeleine Helliwell
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Martyn K. Peers
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - James Raftery
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Daniela Rusanova
- School
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Koen Clays
- Department
of Chemistry, University of Leuven, Celestijnenlaan 200D, B-3001 Leuven, Flanders, Belgium
| | - Griet Depotter
- Department
of Chemistry, University of Leuven, Celestijnenlaan 200D, B-3001 Leuven, Flanders, Belgium
| | - Bruce S. Brunschwig
- Molecular
Materials Research Center, Beckman Institute, MC 139-74, California Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, United States
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33
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da Cruz EHG, Carvalho PHPR, Corrêa JR, Silva DAC, Diogo EBT, de Souza Filho JD, Cavalcanti BC, Pessoa C, de Oliveira HCB, Guido BC, da Silva Filho DA, Neto BAD, da Silva Júnior EN. Design, synthesis and application of fluorescent 2,1,3-benzothiadiazole-triazole-linked biologically active lapachone derivatives. NEW J CHEM 2014. [DOI: 10.1039/c3nj01499a] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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34
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Zheng YC, Zheng ML, Chen S, Zhao ZS, Duan XM. Biscarbazolylmethane-based cyanine: a two-photon excited fluorescent probe for DNA and selective cell imaging. J Mater Chem B 2014; 2:2301-2310. [DOI: 10.1039/c3tb21860k] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a novel biscarbazole-based cyanine with a large Stokes shift and TPA cross-section as a light-up probe for DNA and selective TPEF cell imaging.
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Affiliation(s)
- Yong-Chao Zheng
- Laboratory of Organic NanoPhotonics and Key Laboratory of Functional Crystals and Laser Technology
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190, P. R. China
- University of Chinese Academy of Sciences
| | - Mei-Ling Zheng
- Laboratory of Organic NanoPhotonics and Key Laboratory of Functional Crystals and Laser Technology
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190, P. R. China
| | - Shu Chen
- Laboratory of Organic NanoPhotonics and Key Laboratory of Functional Crystals and Laser Technology
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190, P. R. China
- University of Chinese Academy of Sciences
| | - Zhen-Sheng Zhao
- Laboratory of Organic NanoPhotonics and Key Laboratory of Functional Crystals and Laser Technology
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190, P. R. China
| | - Xuan-Ming Duan
- Laboratory of Organic NanoPhotonics and Key Laboratory of Functional Crystals and Laser Technology
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190, P. R. China
- Chongqing Institute of Green and Intelligent Technology
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35
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Coe BJ. Developing iron and ruthenium complexes for potential nonlinear optical applications. Coord Chem Rev 2013. [DOI: 10.1016/j.ccr.2012.06.025] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Stender AS, Marchuk K, Liu C, Sander S, Meyer MW, Smith EA, Neupane B, Wang G, Li J, Cheng JX, Huang B, Fang N. Single cell optical imaging and spectroscopy. Chem Rev 2013; 113:2469-527. [PMID: 23410134 PMCID: PMC3624028 DOI: 10.1021/cr300336e] [Citation(s) in RCA: 166] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Anthony S. Stender
- Department of Chemistry, Iowa State University and Ames Laboratory, U. S. Department of Energy, Ames, IA 50011, USA
| | - Kyle Marchuk
- Department of Chemistry, Iowa State University and Ames Laboratory, U. S. Department of Energy, Ames, IA 50011, USA
| | - Chang Liu
- Department of Chemistry, Iowa State University and Ames Laboratory, U. S. Department of Energy, Ames, IA 50011, USA
| | - Suzanne Sander
- Department of Chemistry, Iowa State University and Ames Laboratory, U. S. Department of Energy, Ames, IA 50011, USA
| | - Matthew W. Meyer
- Department of Chemistry, Iowa State University and Ames Laboratory, U. S. Department of Energy, Ames, IA 50011, USA
| | - Emily A. Smith
- Department of Chemistry, Iowa State University and Ames Laboratory, U. S. Department of Energy, Ames, IA 50011, USA
| | - Bhanu Neupane
- Department of Chemistry, North Carolina State University, Raleigh, NC 27695, USA
| | - Gufeng Wang
- Department of Chemistry, North Carolina State University, Raleigh, NC 27695, USA
| | - Junjie Li
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907
| | - Ji-Xin Cheng
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907
| | - Bo Huang
- Department of Pharmaceutical Chemistry and Department of Biochemistry and Biophysics, University of California, San Francisco, CA 94158
| | - Ning Fang
- Department of Chemistry, Iowa State University and Ames Laboratory, U. S. Department of Energy, Ames, IA 50011, USA
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37
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De Meulenaere E, Nguyen Bich N, de Wergifosse M, Van Hecke K, Van Meervelt L, Vanderleyden J, Champagne B, Clays K. Improving the second-order nonlinear optical response of fluorescent proteins: the symmetry argument. J Am Chem Soc 2013; 135:4061-9. [PMID: 23406416 DOI: 10.1021/ja400098b] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We have successfully designed and expressed a new fluorescent protein with improved second-order nonlinear optical properties. It is the first time that a fluorescent protein has been rationally altered for this particular characteristic. On the basis of the specific noncentrosymmetry requirements for second-order nonlinear optical effects, we had hypothesized that the surprisingly low first hyperpolarizability (β) of the enhanced yellow fluorescent protein (eYFP) could be explained by centrosymmetric stacking of the chromophoric Tyr66 and the neighboring Tyr203 residue. The inversion center was removed by mutating Tyr203 into Phe203, with minor changes in the linear optical properties and even an improved fluorescence quantum yield. Structure determination by X-ray crystallography as well as linear optical characterization corroborate a correct folding and maturation. Measurement of β by means of hyper-Rayleigh scattering (HRS) as well as their analysis using quantum chemistry calculations validate our hypothesis. This observation can eventually lead to improved red fluorescent proteins for even better performance. On the basis of the specific function (second-harmonic generation), the color of its emission, and in analogy with the "fruit" names, we propose SHardonnay as the name for this Tyr203Phe mutant of eYFP.
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Affiliation(s)
- Evelien De Meulenaere
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20, BE-3001 Leuven, Belgium
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38
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Neto BAD, Corrêa JR, Silva RG. Selective mitochondrial staining with small fluorescent probes: importance, design, synthesis, challenges and trends for new markers. RSC Adv 2013. [DOI: 10.1039/c2ra21995f] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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39
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Muhammad S, Fukuda K, Minami T, Kishi R, Shigeta Y, Nakano M. Interplay between the Diradical Character and Third-Order Nonlinear Optical Properties in Fullerene Systems. Chemistry 2012; 19:1677-85. [DOI: 10.1002/chem.201203463] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Indexed: 11/10/2022]
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40
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41
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Hirosawa S, Arai S, Takeoka S. A TEMPO-conjugated fluorescent probe for monitoring mitochondrial redox reactions. Chem Commun (Camb) 2012; 48:4845-7. [PMID: 22506265 DOI: 10.1039/c2cc30603d] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a mitochondrial targeted redox probe (MitoRP) that comprises a nitroxide radical (TEMPO) moiety and coumarin 343. Using isolated mitochondria in the presence/absence of substrates and inhibitors of oxidative phosphorylation, we demonstrated that MitoRP is a useful probe to monitor the electron flow associated with complex I.
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Affiliation(s)
- Shota Hirosawa
- Department of Life Science and Medical Bioscience, Graduate School of Advanced Science and Engineering, Waseda University (TWIns), Tokyo 162-8480, Japan
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