1
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Zeng Y, Xu T, Chen W, Fang J, Chen D. Quasi-Chromophores Segregated by Single-Chain Nanoparticles of Fluorinated Zwitterionic Random Copolymers Showing Remarkably Enhanced Fluorescence Emission Capable of Fluorescent Cell Imaging. Macromol Rapid Commun 2024:e2400029. [PMID: 38477018 DOI: 10.1002/marc.202400029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 02/23/2024] [Indexed: 03/14/2024]
Abstract
Organic and polymer fluorescent nanomaterials are a frontier research focus. Here in this work, a series of fluorinated zwitterionic random copolymers end-attached with a quasi-chromophoric group of pyrene or tetraphenylethylene (TPE) are well synthesized via atom transfer radical polymerization with activators regenerated by electron transfer (ARGET ATRP). Those random copolymers with total degree of polymerization 100 or 200 are able to produce fluorescent single-chain nanoparticles (SCNPs) through intra-chain self-folding assembly with quite uniform diameters in the range of 10-20 nm as characterized by dynamic light scattering and transmission electron microscopy. By virtue of the segregation or confinement effect, both SCNPs functionalized with pyrene or TPE group are capable of emitting fluorescence, with pyrene tethered SCNPs exhibiting stronger fluorescence emission reaching the highest quantum yield ≈20%. Moreover, such kind of fluorescent SCNPs manifest low cytotoxicity and good cell imaging performance for Hela cells. The creation of fluorescent SCNPs through covalently attached one quasi-chromophore to the end of one fluorinated zwitterionic random copolymer provides an alternative strategy for preparing polymeric luminescence nanomaterials, promisingly serving as a new type of fluorescent nanoprobes for biological imaging applications.
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Affiliation(s)
- Yongming Zeng
- Key Laboratory of High Performance Polymer Materials and Technology of Ministry of Education, Collaborative Innovation Center of Chemistry for Life Sciences, Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Tianchi Xu
- Key Laboratory of High Performance Polymer Materials and Technology of Ministry of Education, Collaborative Innovation Center of Chemistry for Life Sciences, Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Weizhi Chen
- Key Laboratory of High Performance Polymer Materials and Technology of Ministry of Education, Collaborative Innovation Center of Chemistry for Life Sciences, Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Jianglin Fang
- Center for Materials Analysis, Nanjing University, Nanjing, 210093, China
| | - Dongzhong Chen
- Key Laboratory of High Performance Polymer Materials and Technology of Ministry of Education, Collaborative Innovation Center of Chemistry for Life Sciences, Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
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2
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Mundsinger K, Izuagbe A, Tuten BT, Roesky PW, Barner-Kowollik C. Single Chain Nanoparticles in Catalysis. Angew Chem Int Ed Engl 2024; 63:e202311734. [PMID: 37852937 DOI: 10.1002/anie.202311734] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/20/2023]
Abstract
Over the last six decades folded polymer chains-so-called Single Chain Nanoparticles (SCNPs)-have evolved from the mere concept of intramolecularly crosslinked polymer chains to tailored nanoreactors, underpinned by a plethora of techniques and chemistries to tailor and analyze their morphology and function. These monomolecular polymer entities hold critical promise in a wide range of applications. Herein, we highlight the exciting progress that has been made in the field of catalytically active SCNPs in recent years.
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Affiliation(s)
- Kai Mundsinger
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 4000, Brisbane QLD, Australia
| | - Aidan Izuagbe
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 4000, Brisbane QLD, Australia
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstrasse15, 76131, Karlsruhe, Germany
| | - Bryan T Tuten
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 4000, Brisbane QLD, Australia
| | - Peter W Roesky
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstrasse15, 76131, Karlsruhe, Germany
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 4000, Brisbane QLD, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz-1, 76344, Eggenstein-Leopoldshafen, Germany
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3
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Warren JL, Dykeman-Bermingham PA, Knight AS. Controlling Amphiphilic Polymer Folding beyond the Primary Structure with Protein-Mimetic Di(Phenylalanine). J Am Chem Soc 2021; 143:13228-13234. [PMID: 34375094 PMCID: PMC9362848 DOI: 10.1021/jacs.1c05659] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
While methods for polymer synthesis have proliferated, their functionality pales in comparison to natural biopolymers-strategies are limited for building the intricate network of noncovalent interactions necessary to elicit complex, protein-like functions. Using a bioinspired di(phenylalanine) acrylamide (FF) monomer, we explored the impact of various noncovalent interactions in generating ordered assembled structures. Amphiphilic copolymers were synthesized that exhibit β-sheet-like local structure upon collapsing into single-chain assemblies in aqueous environments. Systematic analysis of a series of amphiphilic copolymers illustrated that the global collapse is primarily driven by hydrophobic forces. Hydrogen-bonding and aromatic interactions stabilize local structure, as β-sheet-like interactions were identified via circular dichroism and thioflavin T fluorescence. Similar analysis of phenylalanine (F) and alanine-phenylalanine acrylamide (AF) copolymers found that distancing the aromatic residue from the polymer backbone is sufficient to induce β-sheet-like local structure akin to the FF copolymers; however, the interactions between AF subunits are less stable than those formed by FF. Further, hydrogen-bond donating hydrophilic monomers disrupt internal structure formed by FF within collapsed assemblies. Collectively, these results illuminate design principles for the facile incorporation of multiple facets of protein-mimetic, higher-order structure within folded synthetic polymers.
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Affiliation(s)
- Jacqueline L Warren
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Peter A Dykeman-Bermingham
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Abigail S Knight
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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4
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Lin X, Lin X. Surface ligand rigidity modulates lipid raft affinity of ultra-small hydrophobic nanoparticles: insights from molecular dynamics simulations. NANOSCALE 2021; 13:9825-9833. [PMID: 34032262 DOI: 10.1039/d1nr01563j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Differential preferences between lipids and proteins drive the formation of dynamical nanoscale membrane domains (lipid rafts), which play key roles in the proper functioning of cells. On the other hand, due to the potent physicochemical properties of nanoparticles (NPs), they have been widely used in drug delivery, bio-imaging and regulating various essential biological processes of the cells. Hence, in this work, we aim to design ultra-small hydrophobic NPs with tunable raft affinity, which is supposed to partition into the hydrophobic region of lipid membranes and be able to regulate the dynamics of the lipid raft domains. A series of μs-scale coarse-grained molecular dynamics simulations and umbrella sampling free energy calculations were performed to investigate the role of surface ligand rigidity of ultra-small hydrophobicNPs in their raft affinity. Our results indicated that the preferred localization of NPs can be tuned by adjusting their surface ligand rigidity. Generally, rigid NPs tended to target the raft domain, while soft NPs preferred the interface of the raft and non-raft domains. The free energy analysis further indicated that the surface ligand rigidity of NPs can enhance their targeting to lipid raft domains. Besides, we found that these ultra-small NPs had no significant effects on the phase separation of the lipid membrane although they might cause some local interference to surrounding lipids. These results indicate that the targeting to the lipid raft domain can be achieved by the surface ligand rigidity of NPs, which provides helpful insights for further regulations of lipid raft-mediated biological processes.
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Affiliation(s)
- Xiaoqian Lin
- Institute of Single Cell Engineering, Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China.
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5
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Chen R, Berda EB. 100th Anniversary of Macromolecular Science Viewpoint: Re-examining Single-Chain Nanoparticles. ACS Macro Lett 2020; 9:1836-1843. [PMID: 35653673 DOI: 10.1021/acsmacrolett.0c00774] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Single-chain nanoparticles (SCNP) are a class of polymeric nanoparticles obtained from the intramolecular cross-linking of polymers bearing reactive pendant groups. The development of SCNP has drawn tremendous attention since the fabrication of SCNP mimics the self-folding behavior in natural biomacromolecules and is highly desirable for a variety of applications ranging from catalysis, nanomedicine, nanoreactors, and sensors. The versatility of novel chemistries available for SCNP synthesis has greatly expanded over the past decade. Significant progress was also made in the understanding of a structure-property relationship in the single-chain folding process. In this Viewpoint, we discuss the effect of precursor polymer topology on single polymer folding. We summarize the progress in SCNP of complex architectures and highlight unresolved issues in the field, such as scalability and topological purity of SCNP.
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6
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Chen J, Garcia ES, Zimmerman SC. Intramolecularly Cross-Linked Polymers: From Structure to Function with Applications as Artificial Antibodies and Artificial Enzymes. Acc Chem Res 2020; 53:1244-1256. [PMID: 32441091 DOI: 10.1021/acs.accounts.0c00178] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Cross-linking of polymers significantly alters their physical properties, greatly expanding their everyday utility. Indeed, the polymeric networks resulting from linkages between polymer chains are found in everyday materials from soft contact lenses and automobile tires to enamel coatings and high-performance adhesives. In contrast, intramolecularly cross-linked polymers have received far less attention until recent years, in large part because they are synthetically more challenging to prepare. In this Account, we trace our own efforts to develop the chemistry of intramolecularly cross-linked macromolecules, starting with dendrimers. Dendrimers provided an excellent starting point for investigating intramolecular cross-linking because they are single molecular entities. We showed that the end groups of dendrimers can be extensively cross-linked using the ring-closing metathesis reaction and that the discrete structure of the dendrimer provides unique opportunities for characterizing the number and location of the cross-links as well as some physical properties of the macromolecule such as its size and rigidity. Increasing the number of ring-closing metathesis reactions correlated with a reduction in size and an increase in rigidity. The general strategy applied to dendrimers was extended to star polymers and hyperbranched polyglycerols. Each of these macromolecules has a core or an initiating group from which the branches emanate. Linking the end groups or branches of these polymers presents a unique opportunity to chemically remove the core of the cross-linked macromolecule in a process that is reminiscent of that used to produce covalent molecular imprinted polymers. Recognizing this analogy, we sought a compelling application for cross-linked dendrimers, the first example of unimolecular imprinting, where a single polymer contains a single molecular imprint. The quality of the imprinting was mixed but pointed to an alternative general strategy for molecular imprinting in polymers. The effort also focused attention on synthetic antibodies and the general biomimicry provided by this class of macromolecules. Indeed, cross-linking of polymers either covalently or non-covalently bears a loose resemblance to folding of proteins into defined three-dimensional shapes. The synthesis and study of cross-linked linear polymers, often called single-chain nanoparticles (SCNPs), has emerged as a very active area of research in the past few years. Our experience with the cross-linking of branched polymers combined with an interest in performing organic synthesis within living cells led us to develop copper-containing SCNPs as artificial clickases. These polymeric clickases exhibit all of the hallmarks of enzymatic catalysis. One clickase containing a polyacrylamide backbone performs low-concentration copper-assisted alkyne-azide click reactions at unprecedented rates. Another performs click reactions within living cells. Other organic transformations can be performed intracellularly, and some of the most advanced SCNPs engage in concurrent and tandem catalysis with a naturally occurring biocatalyst. By tracing our own efforts, this Account provides a few entry points into the broader literature and also points to both the remaining challenges and overall promising future envisioned for this unique class of functional macromolecules.
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Affiliation(s)
- Junfeng Chen
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Edzna S. Garcia
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Steven C. Zimmerman
- Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
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7
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Nitsche T, Steinkoenig J, De Bruycker K, Bloesser FR, Blanksby SJ, Blinco JP, Barner-Kowollik C. Mapping the Compaction of Discrete Polymer Chains by Size Exclusion Chromatography Coupled to High-Resolution Mass Spectrometry. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00203] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | - Jan Steinkoenig
- Department of Organic and Macromolecular Chemistry, Polymer Chemistry Research Group, Center of Macromolecular Chemistry (CMaC), Ghent University, Krijgslaan 281 S4bis, 9000 Ghent, Belgium
| | | | | | | | | | - Christopher Barner-Kowollik
- Macromolecular Architectures, Institut für Technische Chemie und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstrasse 18, 76131 Karlsruhe, Germany
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8
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Alkattan M, Prunet J, Shaver MP. Functionalizable Stereocontrolled Cyclopolyethers by Ring-Closing Metathesis as Natural Polymer Mimics. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805113] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Mohammed Alkattan
- EaStCHEM; School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
- WestCHEM; School of Chemistry; University of Glasgow; Joseph Black Building; University Avenue Glasgow G12 8QQ UK
| | - Joëlle Prunet
- WestCHEM; School of Chemistry; University of Glasgow; Joseph Black Building; University Avenue Glasgow G12 8QQ UK
| | - Michael P. Shaver
- EaStCHEM; School of Chemistry; University of Edinburgh; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
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9
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Chen J, Wang J, Bai Y, Li K, Garcia ES, Ferguson AL, Zimmerman SC. Enzyme-like Click Catalysis by a Copper-Containing Single-Chain Nanoparticle. J Am Chem Soc 2018; 140:13695-13702. [DOI: 10.1021/jacs.8b06875] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Junfeng Chen
- Department of Chemistry, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
| | - Jiang Wang
- Department of Physics, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
| | - Yugang Bai
- Department of Chemistry, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
| | - Ke Li
- Department of Chemistry, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
| | - Edzna S. Garcia
- Department of Chemistry, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
| | - Andrew L. Ferguson
- Institute for Molecular Engineering, The University of Chicago, Chicago, Illinois 60637, United States
| | - Steven C. Zimmerman
- Department of Chemistry, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
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10
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Galant O, Davidovich-Pinhas M, Diesendruck CE. The Effect of Intramolecular Cross-Linking on Polymer Interactions in Solution. Macromol Rapid Commun 2018; 39:e1800407. [PMID: 29984465 DOI: 10.1002/marc.201800407] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Revised: 06/10/2018] [Indexed: 12/29/2022]
Abstract
The conformation of a polymer in a solvent is typically defined by the solvent quality, which is a consequence of the solvent and macromolecule's chemistry. Yet, additional factors can affect the polymer conformation, such as non-covalent interactions to surfaces or other macromolecules, affecting the amount of polymer-solvent interactions. Herein, chemically folded polymers with protein-like architectures are studied and compared to their unfolded linear precursor in good solvents using rheology measurements. The current research reveals that permanent folding by intramolecular chemical cross-linking limits the chain mobility and therefore causes a reduction in polymer-solvent interactions, making a good solvent become theta. This change not only affects the "solvent quality" but also leads to a change in particle-particle interactions as a function of concentration. These findings provide crucial insight into the effects of intramolecular cross-links on macromolecule solubility and self-assembly, which are critical for mimicking structurally similar biological materials.
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Affiliation(s)
- Or Galant
- The Interdepartmental Program in Polymer Engineering, Technion - Israel Institute of Technology, Haifa, 3200003, Israel
| | - Maya Davidovich-Pinhas
- Biotechnology and Food Engineering, Technion - Israel Institute of Technology, Haifa, 3200008, Israel
| | - Charles E Diesendruck
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Haifa, 3200003, Israel
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11
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Alkattan M, Prunet J, Shaver MP. Functionalizable Stereocontrolled Cyclopolyethers by Ring-Closing Metathesis as Natural Polymer Mimics. Angew Chem Int Ed Engl 2018; 57:12835-12839. [PMID: 29873428 PMCID: PMC6175094 DOI: 10.1002/anie.201805113] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Indexed: 11/24/2022]
Abstract
Whereas complex stereoregular cyclic architectures are commonplace in biomacromolecules, they remain rare in synthetic polymer chemistry, thus limiting the potential to develop synthetic mimics or advanced materials for biomedical applications. Herein we disclose the formation of a stereocontrolled 1,4‐linked six‐membered cyclopolyether prepared by ring‐closing metathesis (RCM). Ru‐mediated RCM, with careful control of the catalyst, concentration, and temperature, selectively affords the six‐membered‐ring cyclopolymer. Under optimized reaction conditions, no metathetical degradation, macrocycle formation, or cross‐linking was observed. Post‐polymerization modification by dihydroxylation afforded a novel polymer family encompassing a poly(ethylene glycol) backbone and sugar‐like functionalities (“PEGose”). This strategy also paves the way for using RCM as an efficient method to synthesize other stereocontrolled cyclopolymers.
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Affiliation(s)
- Mohammed Alkattan
- EaStCHEM, School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh, EH9 3FJ, UK.,WestCHEM, School of Chemistry, University of Glasgow, Joseph Black Building, University Avenue, Glasgow, G12 8QQ, UK
| | - Joëlle Prunet
- WestCHEM, School of Chemistry, University of Glasgow, Joseph Black Building, University Avenue, Glasgow, G12 8QQ, UK
| | - Michael P Shaver
- EaStCHEM, School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh, EH9 3FJ, UK
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12
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Galant O, Bae S, Wang F, Levy A, Silberstein MN, Diesendruck CE. Mechanical and Thermomechanical Characterization of Glassy Thermoplastics with Intrachain Cross-Links. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b01472] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Or Galant
- Schulich
Faculty of Chemistry, Technion − Israel Institute of Technology, Haifa 3200008, Israel
| | - Suwon Bae
- Department
of Mechanical and Aerospace Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Feng Wang
- Schulich
Faculty of Chemistry, Technion − Israel Institute of Technology, Haifa 3200008, Israel
| | - Avishai Levy
- Schulich
Faculty of Chemistry, Technion − Israel Institute of Technology, Haifa 3200008, Israel
| | - Meredith N. Silberstein
- Department
of Mechanical and Aerospace Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Charles E. Diesendruck
- Schulich
Faculty of Chemistry, Technion − Israel Institute of Technology, Haifa 3200008, Israel
- Russell
Berrie Nanotechnology Institute, Technion − Israel Institute of Technology, Haifa 3200003, Israel
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13
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Levy A, Wang F, Lang A, Galant O, Diesendruck CE. Intramolecular Cross-Linking: Addressing Mechanochemistry with a Bioinspired Approach. Angew Chem Int Ed Engl 2017; 56:6431-6434. [DOI: 10.1002/anie.201612242] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Revised: 03/30/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Avishai Levy
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
| | - Feng Wang
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
| | - Arad Lang
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
| | - Or Galant
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
| | - Charles E. Diesendruck
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
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14
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Levy A, Wang F, Lang A, Galant O, Diesendruck CE. Intramolecular Cross-Linking: Addressing Mechanochemistry with a Bioinspired Approach. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201612242] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Avishai Levy
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
| | - Feng Wang
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
| | - Arad Lang
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
| | - Or Galant
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
| | - Charles E. Diesendruck
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Center; Technion-Israel Institute of Technology; Haifa 32000 Israel
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15
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Sinclair F, Alkattan M, Prunet J, Shaver MP. Olefin cross metathesis and ring-closing metathesis in polymer chemistry. Polym Chem 2017. [DOI: 10.1039/c7py00340d] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The use of olefin cross metathesis in preparing functional polymers, through either pre-functionalisation of monomers or post-polymerisation functionalisation is growing in both scope and breadth, as discussed in this review article.
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Affiliation(s)
- Fern Sinclair
- EastCHEM School of Chemistry
- Joseph Black Building
- University of Edinburgh
- Edinburgh EH9 3FJ
- UK
| | - Mohammed Alkattan
- EastCHEM School of Chemistry
- Joseph Black Building
- University of Edinburgh
- Edinburgh EH9 3FJ
- UK
| | - Joëlle Prunet
- WestCHEM
- School of Chemistry
- University of Glasgow
- Glasgow
- UK
| | - Michael P. Shaver
- EastCHEM School of Chemistry
- Joseph Black Building
- University of Edinburgh
- Edinburgh EH9 3FJ
- UK
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16
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Wang F, Diesendruck CE. Advantages and limitations of diisocyanates in intramolecular collapse. Polym Chem 2017. [DOI: 10.1039/c7py00712d] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A comprehensive examination of the synthesis of single chain polymer nanoparticles (SCPNs) from a copolymer of methyl acrylate (MA) and 2-hydroxyethyl acrylate (HEA) via the intra-chain urethane formation by using hexamethylene diisocyanate (HDI) as a cross-linker is described.
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Affiliation(s)
- Feng Wang
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Institute
- Technion – Israel Institute of Technology
- Haifa
- Israel
| | - Charles E. Diesendruck
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Institute
- Technion – Israel Institute of Technology
- Haifa
- Israel
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17
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Bai Y, Feng X, Xing H, Xu Y, Kim BK, Baig N, Zhou T, Gewirth AA, Lu Y, Oldfield E, Zimmerman SC. A Highly Efficient Single-Chain Metal-Organic Nanoparticle Catalyst for Alkyne-Azide "Click" Reactions in Water and in Cells. J Am Chem Soc 2016; 138:11077-80. [PMID: 27529791 DOI: 10.1021/jacs.6b04477] [Citation(s) in RCA: 152] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We show that copper-containing metal-organic nanoparticles (MONPs) are readily synthesized via Cu(II)-mediated intramolecular cross-linking of aspartate-containing polyolefins in water. In situ reduction with sodium ascorbate yields Cu(I)-containing MONPs that serve as highly efficient supramolecular catalysts for alkyne-azide "click chemistry" reactions, yielding the desired 1,4-adducts at low parts per million catalyst levels. The nanoparticles have low toxicity and low metal loadings, making them convenient, green catalysts for alkyne-azide "click" reactions in water. The Cu-MONPs enter cells and perform efficient, biocompatible click chemistry, thus acting as intracellular nanoscale molecular synthesizers.
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Affiliation(s)
- Yugang Bai
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Xinxin Feng
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Hang Xing
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States.,Beckman Institute, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Yanhua Xu
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Boo Kyung Kim
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Noman Baig
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Tianhui Zhou
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Andrew A Gewirth
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States.,Beckman Institute, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Eric Oldfield
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Steven C Zimmerman
- Department of Chemistry, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
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18
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Watanabe K, Tanaka R, Takada K, Kim MJ, Lee JS, Tajima K, Isono T, Satoh T. Intramolecular olefin metathesis as a robust tool to synthesize single-chain nanoparticles in a size-controlled manner. Polym Chem 2016. [DOI: 10.1039/c6py00795c] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A comprehensive investigation of ruthenium-catalyzed intramolecular olefin metathesis was conducted for establishing a general approach to synthesize size-controlled SCNPs.
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Affiliation(s)
- Kodai Watanabe
- Graduate School of Chemical Sciences and Engineering, and Division of Applied Chemistry
- Faculty of Engineering
- Hokkaido University
- Sapporo 060-8628
- Japan
| | - Ryoto Tanaka
- Graduate School of Chemical Sciences and Engineering, and Division of Applied Chemistry
- Faculty of Engineering
- Hokkaido University
- Sapporo 060-8628
- Japan
| | - Kenji Takada
- Graduate School of Chemical Sciences and Engineering, and Division of Applied Chemistry
- Faculty of Engineering
- Hokkaido University
- Sapporo 060-8628
- Japan
| | - Myung-Jin Kim
- School of Materials Science and Engineering
- Gwangju Institute of Science and Technology (GIST)
- Gwangju 61005
- Korea
| | - Jae-Suk Lee
- School of Materials Science and Engineering
- Gwangju Institute of Science and Technology (GIST)
- Gwangju 61005
- Korea
| | - Kenji Tajima
- Graduate School of Chemical Sciences and Engineering, and Division of Applied Chemistry
- Faculty of Engineering
- Hokkaido University
- Sapporo 060-8628
- Japan
| | - Takuya Isono
- Graduate School of Chemical Sciences and Engineering, and Division of Applied Chemistry
- Faculty of Engineering
- Hokkaido University
- Sapporo 060-8628
- Japan
| | - Toshifumi Satoh
- Graduate School of Chemical Sciences and Engineering, and Division of Applied Chemistry
- Faculty of Engineering
- Hokkaido University
- Sapporo 060-8628
- Japan
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19
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Mavila S, Eivgi O, Berkovich I, Lemcoff NG. Intramolecular Cross-Linking Methodologies for the Synthesis of Polymer Nanoparticles. Chem Rev 2015; 116:878-961. [DOI: 10.1021/acs.chemrev.5b00290] [Citation(s) in RCA: 280] [Impact Index Per Article: 31.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sudheendran Mavila
- Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva-84105, Israel
| | - Or Eivgi
- Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva-84105, Israel
| | - Inbal Berkovich
- Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva-84105, Israel
| | - N. Gabriel Lemcoff
- Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva-84105, Israel
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20
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Sykam K, Donempudi S. Novel multifunctional hybrid diallyl ether monomer via azide alkyne click reaction as crosslinking agent in protective coatings. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.02.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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21
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Whitcombe MJ, Kirsch N, Nicholls IA. Molecular imprinting science and technology: a survey of the literature for the years 2004-2011. J Mol Recognit 2014; 27:297-401. [PMID: 24700625 DOI: 10.1002/jmr.2347] [Citation(s) in RCA: 275] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 10/28/2013] [Accepted: 12/01/2013] [Indexed: 12/11/2022]
Abstract
Herein, we present a survey of the literature covering the development of molecular imprinting science and technology over the years 2004-2011. In total, 3779 references to the original papers, reviews, edited volumes and monographs from this period are included, along with recently identified uncited materials from prior to 2004, which were omitted in the first instalment of this series covering the years 1930-2003. In the presentation of the assembled references, a section presenting reviews and monographs covering the area is followed by sections describing fundamental aspects of molecular imprinting including the development of novel polymer formats. Thereafter, literature describing efforts to apply these polymeric materials to a range of application areas is presented. Current trends and areas of rapid development are discussed.
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22
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Bai Y, Xing H, Vincil GA, Lee J, Henderson EJ, Lu Y, Lemcoff NG, Zimmerman SC. Practical synthesis of water-soluble organic nanoparticles with a single reactive group and a functional carrier scaffold. Chem Sci 2014. [DOI: 10.1039/c4sc00700j] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A practical synthesis of biocompatible organic nanoparticles with a reactive group and a functional carrier scaffold was developed.
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Affiliation(s)
- Yugang Bai
- Department of Chemistry
- University of Illinois at Urbana-Champaign
- Urbana, USA
| | - Hang Xing
- Department of Chemistry
- University of Illinois at Urbana-Champaign
- Urbana, USA
- Beckman Institute
- University of Illinois at Urbana-Champaign
| | - Gretchen A. Vincil
- Department of Chemistry
- University of Illinois at Urbana-Champaign
- Urbana, USA
| | - Jennifer Lee
- Department of Chemistry
- University of Illinois at Urbana-Champaign
- Urbana, USA
| | | | - Yi Lu
- Department of Chemistry
- University of Illinois at Urbana-Champaign
- Urbana, USA
- Beckman Institute
- University of Illinois at Urbana-Champaign
| | - N. Gabriel Lemcoff
- Department of Chemistry
- Ben-Gurion University of the Negev
- Beer-Sheva 84105, Israel
| | - Steven C. Zimmerman
- Department of Chemistry
- University of Illinois at Urbana-Champaign
- Urbana, USA
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23
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Mavila S, Rozenberg I, Lemcoff NG. A general approach to mono- and bimetallic organometallic nanoparticles. Chem Sci 2014. [DOI: 10.1039/c4sc01231c] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Rhodium, nickel and iridium are introduced into polycyclooctadiene to generate organometallic nanoparticles with different ratios of metals and catalytic properties.
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Affiliation(s)
- Sudheendran Mavila
- Department of Chemistry
- Ben-Gurion University of the Negev
- Beer-Sheva 84105, Israel
| | - Illya Rozenberg
- Department of Chemistry
- Ben-Gurion University of the Negev
- Beer-Sheva 84105, Israel
| | - N. Gabriel Lemcoff
- Department of Chemistry
- Ben-Gurion University of the Negev
- Beer-Sheva 84105, Israel
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24
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Mavila S, Diesendruck CE, Linde S, Amir L, Shikler R, Lemcoff NG. Polycyclooctadiene Complexes of Rhodium(I): Direct Access to Organometallic Nanoparticles. Angew Chem Int Ed Engl 2013; 52:5767-70. [DOI: 10.1002/anie.201300362] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Indexed: 12/21/2022]
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25
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Mavila S, Diesendruck CE, Linde S, Amir L, Shikler R, Lemcoff NG. Polycyclooctadiene Complexes of Rhodium(I): Direct Access to Organometallic Nanoparticles. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201300362] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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26
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Dirlam PT, Kim HJ, Arrington KJ, Chung WJ, Sahoo R, Hill LJ, Costanzo PJ, Theato P, Char K, Pyun J. Single chain polymer nanoparticles via sequential ATRP and oxidative polymerization. Polym Chem 2013. [DOI: 10.1039/c3py00321c] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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27
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Balasubramanian R, Han S, Chamberlayne C. Direct synthesis of hollow polymeric nanocapsules of variable shell thickness and rigidity. RSC Adv 2013. [DOI: 10.1039/c3ra22736g] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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28
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Cao PF, Felipe MJ, Advincula RC. On the Formation and Electropolymerization of a Star Copolymer With Peripheral Carbazoles. MACROMOL CHEM PHYS 2012. [DOI: 10.1002/macp.201200344] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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29
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Cantin K, Lafleur-Lambert A, Dufour P, Morin JF. Studies Toward the Synthesis of Phenylacetylene Macrocycle Based Rotaxane Precursors as Building Blocks for Organic Nanotubes. European J Org Chem 2012. [DOI: 10.1002/ejoc.201200655] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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30
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Yang SK, Zimmerman SC. Polyglycerol-Dendronized Perylenediimides as Stable, Water-Soluble Fluorophores. ADVANCED FUNCTIONAL MATERIALS 2012; 22:3023-3028. [PMID: 23459294 PMCID: PMC3583348 DOI: 10.1002/adfm.201200004] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The synthesis and photophysical properties of water-soluble, fluorescent polyglycerol-dendronized perylenediimides 1-4 are reported. The polyglycerol dendrons, which are known to be highly biocompatible, are found to confer high water-solubility on the perylenediimide in aqueous media while retaining its excellent fluorescent properties. Furthermore, intramolecular cross-linking of the polyglycerol dendrons using the ring-closing metathesis reaction not only enhances the photostability but also reduces the size of perylenediimide-cored dendrimers. The permeability of the various dendritic shells is probed using heavy metal ion quenchers and compared to non-dendritic but water-soluble perylenediimide 5.
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Affiliation(s)
- Si Kyung Yang
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801 (USA)
| | - Steven C. Zimmerman
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801 (USA)
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31
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Gupta S, Tyagi R, Parmar VS, Sharma SK, Haag R. Polyether based amphiphiles for delivery of active components. POLYMER 2012. [DOI: 10.1016/j.polymer.2012.04.047] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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32
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Zill AT, Licha K, Haag R, Zimmerman SC. Synthesis and properties of fluorescent dyes conjugated to hyperbranched polyglycerols. NEW J CHEM 2012. [DOI: 10.1039/c1nj20476a] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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33
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Astruc D, Diallo AK, Gatard S, Liang L, Ornelas C, Martinez V, Méry D, Ruiz J. Olefin metathesis in nano-sized systems. Beilstein J Org Chem 2011; 7:94-103. [PMID: 21286399 PMCID: PMC3028528 DOI: 10.3762/bjoc.7.13] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2010] [Accepted: 11/09/2010] [Indexed: 11/26/2022] Open
Abstract
The interplay between olefin metathesis and dendrimers and other nano systems is addressed in this mini review mostly based on the authors’ own contributions over the last decade. Two subjects are presented and discussed: (i) The catalysis of olefin metathesis by dendritic nano-catalysts via either covalent attachment (ROMP) or, more usefully, dendrimer encapsulation – ring closing metathesis (RCM), cross metathesis (CM), enyne metathesis reactions (EYM) – for reactions in water without a co-solvent and (ii) construction and functionalization of dendrimers by CM reactions.
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Affiliation(s)
- Didier Astruc
- Institut des Sciences Moléculaires, UMR CNRS No 5255, Université Bordeaux 1, 351 Cours de la Libération, 33405 Talence Cedex, France
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34
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Park JY, Ponnapati R, Taranekar P, Advincula RC. Carbazole peripheral poly(benzyl ether) dendrimers at the air-water interface: electrochemical cross-linking and electronanopatterning. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:6167-6176. [PMID: 19799458 DOI: 10.1021/la902404b] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
A Langmuir film of a third-generation carbazole-terminated poly(benzyl ether) (G3-CtPBE) dendrimer was investigated at the air-water interface. Langmuir-Blodgett (LB) films were deposited on gold substrates and investigated by atomic force microscopy (AFM), followed by electrochemical and electronanopatterning studies. For the G3-CtPBE dendrimer aggregates, variable concentration and surface pressure gave control over aggregate size and shape at the air-water interface. At a lower concentration C1, aggregate-spherical nanoparticles were observed with a face-on or overlapped orientation with increasing surface pressure. However, at a higher concentration C2, their surface morphologies exhibited circular and rod-shaped aggregates with respect to increasing surface pressure attributed to an edge-on configurational change. Moreover, in situ simultaneous interfacial potentiostatic electrodeposition with LB transfer at the air-water interface was employed for the first time with the G3-CtPBE dendrimers onto a hydrophilic surface under constant voltage (i.e., close to the oxidation potential of G3-CtPBE for electrochemical cross-linking). Electrochemical cross-linking on G3-CtPBE dendrimer LB films was also performed ex situ to investigate electrochemical and optical properties. Finally, as an application of a cross-linkable LB film, electronanolithography was carried out to prepare nanopatterns using the current sensing atomic force microscopy (CS-AFM) technique.
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Affiliation(s)
- Jin Young Park
- Department of Chemistry, University of Houston, Houston, Texas 77204, USA
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35
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Burakowska E, Quinn JR, Zimmerman SC, Haag R. Cross-linked hyperbranched polyglycerols as hosts for selective binding of guest molecules. J Am Chem Soc 2009; 131:10574-80. [PMID: 19722631 DOI: 10.1021/ja902597h] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The ring-closing metathesis reaction of dendrimers containing allyl ether end groups is known to rigidify them significantly. Herein we report that polyallylated hyperbranched polyglycerol (HPG) 1 complexes the sodium salt of rose Bengal in chloroform solution but releases it readily to water. In contrast, extensively cross-linking 1 with Grubbs catalyst provides 2 which similarly complexes rose Bengal, but does not release it despite 12 h of shaking with water. Both 1 and 2 also complex thymol blue and exhibit the same differential complex stability when extracted with water. Neither 1 nor 2 complex Congo red sodium salt and more weakly solubilize the cesium salt of rose Bengal and thymol blue. Larger loop size cross-linked analogs HPG 5 and 6 also bind rose Bengal (RB) and thymol blue and are able to bind Congo red, but both release the dye more readily when extracted with water. In addition, a bathochromic shift is observed in the UV spectra for complex 6.RB, suggesting a changed microenvironment for the dye due to a tighter binding of the counteranion. Dihydroxylation of the alkene groups in 1, 2, 5, and 6 produced HPGs 3, 4, 7, and 8, respectively. HPGs 3 and 4 are both water-soluble, but 7 and 8 were not and could not be studied further. In water, HPG 4 solubilized less than one nonpolar guest (Nimodipine, pyrene, or Nile red) per polymer at least in part because it forms very large aggregates. Dynamic light scattering (DLS) and size exclusion chromatography (SEC) indicate aggregates with diameters of ca. 100 nm in pure water. The aggregates dissociated in high salt concentrations suggesting applications in stimuli responsive materials.
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Affiliation(s)
- Ewelina Burakowska
- Department of Biology, Chemistry, and Pharmacy, Freie Universitat Berlin, Takustrasse 3, 14195 Berlin, Germany
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36
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Rosen BM, Wilson CJ, Wilson DA, Peterca M, Imam MR, Percec V. Dendron-Mediated Self-Assembly, Disassembly, and Self-Organization of Complex Systems. Chem Rev 2009; 109:6275-540. [DOI: 10.1021/cr900157q] [Citation(s) in RCA: 1066] [Impact Index Per Article: 71.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Brad M. Rosen
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Christopher J. Wilson
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Daniela A. Wilson
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Mihai Peterca
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Mohammad R. Imam
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
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37
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Beck JB, Killops KL, Kang T, Sivanandan K, Bayles A, Mackay ME, Wooley KL, Hawker CJ. FACILE PREPARATION OF NANOPARTICLES BY INTRAMOLECULAR CROSSLINKING OF ISOCYANATE FUNCTIONALIZED COPOLYMERS. Macromolecules 2009; 42:5629-5635. [PMID: 20717499 DOI: 10.1021/ma900899v] [Citation(s) in RCA: 132] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
A new synthetic approach to the preparation of intramolecularly collapsed nanoparticles under mild, room temperature conditions has been developed from commercially available vinyl monomers. Reaction of isocyanate functionalized linear copolymers with a diamine in dilute solution leads to the efficient formation of nanoparticles where the diameter of the nanoparticle can be varied by controlling both the molecular weight and mole percentage of isocyanate repeat units. Physical properties for the intramolecularly collapsed nanoparticles were fully consistent with a three-dimensional structure and analysis of the collapse reaction revealed that approximately 75% of the isocyanate groups along the backbone underwent crosslinking with 25% being available for further reaction with mono-functional amines. This stepwise consumption of the isocyanates allows the chemical and physical properties of the nanoparticles to be further tuned and significantly opens up the range of nanoparticles that can be prepared using this mild and highly efficient chemistry.
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Affiliation(s)
- J Benjamin Beck
- Materials Research Laboratory University of California Santa Barbara, CA 93106-5121
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38
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Navin JK, Grass ME, Somorjai GA, Marsh AL. Characterization of Colloidal Platinum Nanoparticles by MALDI-TOF Mass Spectrometry. Anal Chem 2009. [DOI: 10.1021/ac900309z] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jason K. Navin
- Department of Chemistry, Lebanon Valley College, Annville, Pennsylvania 17003, and Department of Chemistry, University of California, Berkeley, Berkeley, California 94720
| | - Michael E. Grass
- Department of Chemistry, Lebanon Valley College, Annville, Pennsylvania 17003, and Department of Chemistry, University of California, Berkeley, Berkeley, California 94720
| | - Gabor A. Somorjai
- Department of Chemistry, Lebanon Valley College, Annville, Pennsylvania 17003, and Department of Chemistry, University of California, Berkeley, Berkeley, California 94720
| | - Anderson L. Marsh
- Department of Chemistry, Lebanon Valley College, Annville, Pennsylvania 17003, and Department of Chemistry, University of California, Berkeley, Berkeley, California 94720
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39
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Ma J, Cheng C, Wooley KL. Cycloalkenyl-Functionalized Polymers and Block Copolymers: Syntheses via Selective RAFT Polymerizations and Demonstration of Their Versatile Reactivity. Macromolecules 2009. [DOI: 10.1021/ma8024255] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jun Ma
- Department of Chemistry and Department of Radiology, Washington University, Saint Louis, Missouri 63130-4899, and Department of Chemical and Biological Engineering, The State University of New York at Buffalo, Buffalo, New York 14260
| | - Chong Cheng
- Department of Chemistry and Department of Radiology, Washington University, Saint Louis, Missouri 63130-4899, and Department of Chemical and Biological Engineering, The State University of New York at Buffalo, Buffalo, New York 14260
| | - Karen L. Wooley
- Department of Chemistry and Department of Radiology, Washington University, Saint Louis, Missouri 63130-4899, and Department of Chemical and Biological Engineering, The State University of New York at Buffalo, Buffalo, New York 14260
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40
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Wei X, Zhu L, Zhu B, Xu Y. Preparation and characterization of novel hyperbranched poly(amine‐ester) films crosslinked by glutaraldehyde. J Appl Polym Sci 2008. [DOI: 10.1002/app.28383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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41
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Ye J, Ye Z, Zhu S. Synthesis and characterization of hyperbranched polyethylenes containing cross-linking structures by chain walking copolymerization of ethylene with diacrylate comonomer. POLYMER 2008. [DOI: 10.1016/j.polymer.2008.06.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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42
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Ornelas C, Méry D, Cloutet E, Aranzaes JR, Astruc D. Cross Olefin Metathesis for the Selective Functionalization, Ferrocenylation, and Solubilization in Water of Olefin-Terminated Dendrimers, Polymers, and Gold Nanoparticles and for a Divergent Dendrimer Construction. J Am Chem Soc 2008; 130:1495-506. [DOI: 10.1021/ja077392v] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Cátia Ornelas
- Institut des Sciences Moléculaires, UMR CNRS N° 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence Cedex, France, and LCPO, UMR CNRS N° 5629, Université Bordeaux I, 33405 Talence Cedex, France
| | - Denise Méry
- Institut des Sciences Moléculaires, UMR CNRS N° 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence Cedex, France, and LCPO, UMR CNRS N° 5629, Université Bordeaux I, 33405 Talence Cedex, France
| | - Eric Cloutet
- Institut des Sciences Moléculaires, UMR CNRS N° 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence Cedex, France, and LCPO, UMR CNRS N° 5629, Université Bordeaux I, 33405 Talence Cedex, France
| | - Jaime Ruiz Aranzaes
- Institut des Sciences Moléculaires, UMR CNRS N° 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence Cedex, France, and LCPO, UMR CNRS N° 5629, Université Bordeaux I, 33405 Talence Cedex, France
| | - Didier Astruc
- Institut des Sciences Moléculaires, UMR CNRS N° 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence Cedex, France, and LCPO, UMR CNRS N° 5629, Université Bordeaux I, 33405 Talence Cedex, France
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43
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Zimmerman SC, Quinn JR, Burakowska E, Haag R. Cross-Linked Glycerol Dendrimers and Hyperbranched Polymers as Ionophoric, Organic Nanoparticles Soluble in Water and Organic Solvents. Angew Chem Int Ed Engl 2007; 46:8164-7. [PMID: 17886820 DOI: 10.1002/anie.200702580] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Steven C Zimmerman
- Department of Chemistry, University of Illinois, 600 S. Mathews Avenue, Urbana, IL 61801, USA.
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44
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Zimmerman S, Quinn J, Burakowska E, Haag R. Cross-Linked Glycerol Dendrimers and Hyperbranched Polymers as Ionophoric, Organic Nanoparticles Soluble in Water and Organic Solvents. Angew Chem Int Ed Engl 2007. [DOI: 10.1002/ange.200702580] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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45
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Elmer SL, Lemcoff NG, Zimmerman SC. Exploring the Reversibility of the Ring-Closing Metathesis Mediated Cross-linking of Dendrimers. Macromolecules 2007. [DOI: 10.1021/ma071233e] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Stephanie L. Elmer
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801
| | - N. Gabriel Lemcoff
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801
| | - Steven C. Zimmerman
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801
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Cherian AE, Sun FC, Sheiko SS, Coates GW. Formation of Nanoparticles by Intramolecular Cross-Linking: Following the Reaction Progress of Single Polymer Chains by Atomic Force Microscopy. J Am Chem Soc 2007; 129:11350-1. [PMID: 17722930 DOI: 10.1021/ja074301l] [Citation(s) in RCA: 144] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anna E Cherian
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, USA
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Chai M, Holley AK, Kruskamp M. Encapsulating fluorescein using adipic acidself-assembly on the surface of PPI-3 dendrimer. Chem Commun (Camb) 2007:168-70. [PMID: 17180235 DOI: 10.1039/b610018j] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A water-soluble self-assembly has been formed by associating adipic acid molecules onto the surface of the third generation poly(propyleneimine) dendrimer and this system has been used to encapsulate fluorescein.
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Affiliation(s)
- Minghui Chai
- Department of Chemistry, Central Michigan University, Mt. Pleasant, MI 48859, USA.
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Balasubramanian R, Kwon YG, Wei A. Encapsulation and Functionalization of Nanoparticles in Crosslinked Resorcinarene Shells. ACTA ACUST UNITED AC 2007; 17:105-112. [PMID: 19343109 DOI: 10.1039/b614295h] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two resorcinarene-derived tetrathiols with terminal alkene sidechains (tetraarylthiol cavitand 3 and tetrabenzylthiol cavitand 4) were determined to be efficient at extracting colloidal gold nanoparticles from aqueous solutions and stabilizing their dispersion in organic solvents. Treatment of these nanoparticle dispersions with the Grubbs olefin metathesis catalyst resulted in crosslinked resorcinarene shells that were highly resistant to alkanethiol-induced desorption at high temperatures. Nanoparticles in crosslinked shells of tetrabenzylthiol cavitand 4 were particularly robust, and could be precipitated and redispersed many times with minimal attrition. These shells could also withstand oxidative conditions and were amenable to synthetic modifications involving epoxidation and dihydroxylation.
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Affiliation(s)
- Ramjee Balasubramanian
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907, USA
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Lohse B, Vestberg R, Ivanov MT, Hvilsted S, Berg RH, Ramanujam PS, Hawker CJ. UV-photodimerization in uracil-substituted dendrimers for high density data storage. ACTA ACUST UNITED AC 2007. [DOI: 10.1002/pola.22202] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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50
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