1
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Su H, An H, Tan S, Zhai Y, Fu Y, Li T. pH-Dependent Reversible Self-Assembly of β-Lactoglobulin-Derived Reducing Peptides. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38602372 DOI: 10.1021/acs.jafc.4c00249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Peptide-based self-assembled nanostructures are emerging vehicles for nutrient delivery and interface engineering. The present study screened eight β-lactoglobulin (β-Lg) derived peptides and found that two reducing peptides [EQSLVCQCLV (EV-10) and VCQCLVR (VR-7)] demonstrated pH-dependent reversible fibrilization. EV-10 formed fibrils at pH 2.0 but became unordered aggregates at pH 7.0. VR-7 showed the opposite trend. Both peptides could undergo repetitive transitions between fibrils and unordered aggregates during consecutive pH-cycling. Fibrilization of both peptides was dominated by charges carried by N- and C-terminals. Both fibrils were characterized by a cross-β sheet structure where the β-sheet was arranged in an antiparallel manner. Fe3+ was reduced by Cys and EV-10 (pH 5.0 and 7.0) simultaneously upon mixing. In contrast, EV-10 fibrils released Fe3+ reducing capacity progressively, which were beneficial to long-term protection Fe2+. The EV-10 fibrils remained intact after simulated gastric digestion and finally dissociated after intestinal digestion. The results shed light on the mechanisms of fibrilization of β-Lg derived peptides. This study was beneficial to the rational design of smart pH-responsive materials for drug delivery and antioxidants for nutrients susceptible to oxidation.
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Affiliation(s)
- Huanhuan Su
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Hao An
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Siying Tan
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Yun Zhai
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Yuying Fu
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Teng Li
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
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2
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Khanra P, Rajdev P, Das A. Seed-Induced Living Two-Dimensional (2D) Supramolecular Polymerization in Water: Implications on Protein Adsorption and Enzyme Inhibition. Angew Chem Int Ed Engl 2024; 63:e202400486. [PMID: 38265331 DOI: 10.1002/anie.202400486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 01/22/2024] [Accepted: 01/24/2024] [Indexed: 01/25/2024]
Abstract
In biological systems, programmable supramolecular frameworks characterized by coordinated directional non-covalent interactions are widespread. However, only a small number of reports involve pure water-based dynamic supramolecular assembly of artificial π-amphiphiles, primarily due to the formidable challenge of counteracting the strong hydrophobic dominance of the π-surface in water, leading to undesired kinetic traps. This study reveals the pathway complexity in hydrogen-bonding-mediated supramolecular polymerization of an amide-functionalized naphthalene monoimide (NMI) building block with a hydrophilic oligo-oxyethylene (OE) wedge. O-NMI-2 initially produced entropically driven, collapsed spherical particles in water (Agg-1); however, over a span of 72 h, these metastable Agg-1 gradually transformed into two-dimensional (2D) nanosheets (Agg-2), favoured by both entropy and enthalpy contributions. The intricate self-assembly pathways in O-NMI-2 enable us to explore seed-induced living supramolecular polymerization (LSP) in water for controlled synthesis of monolayered 2D assemblies. Furthermore, we demonstrated the nonspecific surface adsorption of a model enzyme, serine protease α-Chymotrypsin (α-ChT), and consequently the enzyme activity, which could be regulated by controlling the morphological transformation of O-NMI-2 from Agg-1 to Agg-2. We delve into the thermodynamic aspects of such shape-dependent protein-surface interactions and unravel the impact of seed-induced LSP on temporally controlling the catalytic activity of α-ChT.
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Affiliation(s)
- Payel Khanra
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science (IACS), 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Priya Rajdev
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science (IACS), 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Anindita Das
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science (IACS), 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
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3
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Rezaie F, Noorizadeh S. Theoretical investigation of tube-like supramolecular structures formed through bifurcated lithium bonds. Sci Rep 2023; 13:15260. [PMID: 37709798 PMCID: PMC10502010 DOI: 10.1038/s41598-023-41979-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 09/04/2023] [Indexed: 09/16/2023] Open
Abstract
The stability of three supramolecular naostructures, which are formed through the aggregation of identical belts of [12] arene containing p-nitrophenyllithium, 1,4-dilithiatedbenzene and 1,4-dinitrobenzene units, is investigated by density functional theory. The electrostatic potential calculations indicate the ability of these belts in forming bifurcated lithium bonds (BLBs) between the Li atoms of one belt and the oxygen atoms of the NO2 groups in the other belt, which is also confirmed by deformation density maps and quantum theory of atoms in molecules (QTAIM) analysis. Topological analysis and natural bond analysis (NBO) imply to ionic character for these BLBs with binding energies up to approximately - 60 kcal mol-1. The many-body interaction energy analysis shows the strong cooperativity belongs to the configuration with the highest symmetry (C4v) containing p-nitrophenyllithium fragments as the building unit. Therefore, it seems that this configuration could be a good candidate for designing a BLB-based supramolecular nanotube with infinite size in this study.
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Affiliation(s)
- Forough Rezaie
- Chemistry Department, Faculty of Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Siamak Noorizadeh
- Chemistry Department, Faculty of Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
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4
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Yang Y, Ronson TK, Hou D, Zheng J, Jahović I, Luo KH, Nitschke JR. Hetero-Diels-Alder Reaction between Singlet Oxygen and Anthracene Drives Integrative Cage Self-Sorting. J Am Chem Soc 2023; 145:19164-19170. [PMID: 37610128 PMCID: PMC10485901 DOI: 10.1021/jacs.3c04228] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Indexed: 08/24/2023]
Abstract
A ZnII8L6 pseudocube containing anthracene-centered ligands, a ZnII4L'4 tetrahedron with a similar side length as the cube, and a trigonal prism ZnII6L3L'2 were formed in equilibrium from a common set of subcomponents. Hetero-Diels-Alder reaction with photogenerated singlet oxygen transformed the anthracene-containing "L" ligands into endoperoxide "LO" ones and ultimately drove the integrative self-sorting to form the trigonal prismatic cage ZnII6LO3L'2 exclusively. This ZnII6LO3L'2 structure lost dioxygen in a retro-Diels-Alder reaction after heating, which resulted in reversion to the initial ZnII8L6 + ZnII4L'4 ⇌ 2 × ZnII6L3L'2 equilibrating system. Whereas the ZnII8L6 pseudocube had a cavity too small for guest encapsulation, the ZnII6L3L'2 and ZnII6LO3L'2 trigonal prisms possessed peanut-shaped internal cavities with two isolated compartments divided by bulky anthracene panels. Guest binding was also observed to drive the equilibrating system toward exclusive formation of the ZnII6L3L'2 structure, even in the absence of reaction with singlet oxygen.
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Affiliation(s)
- Yuchong Yang
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Cambridge CB2 1EW, United
Kingdom
| | - Tanya K. Ronson
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Cambridge CB2 1EW, United
Kingdom
| | - Dingyu Hou
- Department
of Mechanical Engineering, University College
London, London WC1E 7JE, United
Kingdom
| | - Jieyu Zheng
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Cambridge CB2 1EW, United
Kingdom
| | - Ilma Jahović
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Cambridge CB2 1EW, United
Kingdom
| | - Kai Hong Luo
- Department
of Mechanical Engineering, University College
London, London WC1E 7JE, United
Kingdom
| | - Jonathan R. Nitschke
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Cambridge CB2 1EW, United
Kingdom
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5
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Das G, Prakasam T, Alkhatib N, AbdulHalim RG, Chandra F, Sharma SK, Garai B, Varghese S, Addicoat MA, Ravaux F, Pasricha R, Jagannathan R, Saleh N, Kirmizialtin S, Olson MA, Trabolsi A. Light-driven self-assembly of spiropyran-functionalized covalent organic framework. Nat Commun 2023; 14:3765. [PMID: 37353549 PMCID: PMC10290075 DOI: 10.1038/s41467-023-39402-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 06/13/2023] [Indexed: 06/25/2023] Open
Abstract
Controlling the number of molecular switches and their relative positioning within porous materials is critical to their functionality and properties. The proximity of many molecular switches to one another can hinder or completely suppress their response. Herein, a synthetic strategy involving mixed linkers is used to control the distribution of spiropyran-functionalized linkers in a covalent organic framework (COF). The COF contains a spiropyran in each pore which exhibits excellent reversible photoswitching behavior to its merocyanine form in the solid state in response to UV/Vis light. The spiro-COF possesses an urchin-shaped morphology and exhibits a morphological transition to 2D nanosheets and vesicles in solution upon UV light irradiation. The merocyanine-equipped COFs are extremely stable and possess a more ordered structure with enhanced photoluminescence. This approach to modulating structural isomerization in the solid state is used to develop inkless printing media, while the photomediated polarity change is used for water harvesting applications.
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Affiliation(s)
- Gobinda Das
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Thirumurugan Prakasam
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Nour Alkhatib
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Rasha G AbdulHalim
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Falguni Chandra
- Chemistry Department, College of Science, United Arab Emirates University, P.O. Box 15551, Al-Ain, United Arab Emirates
| | - Sudhir Kumar Sharma
- Engineering Division, New York University Abu Dhabi (NYUAD), Abu Dhabi, United Arab Emirates
| | - Bikash Garai
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
- NYUAD Water Research Center, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Sabu Varghese
- CTP, New York University Abu Dhabi, 129188, Abu Dhabi, United Arab Emirates
| | - Matthew A Addicoat
- School of Science and Technology, Nottingham Trent University, Clifton Lane, NG11 8NS, Nottingham, UK
| | - Florent Ravaux
- Quantum research center, Technology Innovation Institute, P.O. Box 9639, Abu Dhabi, United Arab Emirates
| | - Renu Pasricha
- CTP, New York University Abu Dhabi, 129188, Abu Dhabi, United Arab Emirates
| | - Ramesh Jagannathan
- Engineering Division, New York University Abu Dhabi (NYUAD), Abu Dhabi, United Arab Emirates
| | - Na'il Saleh
- Chemistry Department, College of Science, United Arab Emirates University, P.O. Box 15551, Al-Ain, United Arab Emirates
- Zayed Center for Health Sciences, United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates
| | - Serdal Kirmizialtin
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates
- Center for Smart Engineering Materials, New York University Abu Dhabi (NYUAD), Abu Dhabi, United Arab Emirates
| | - Mark A Olson
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Dr., Corpus Christi, TX, 78412, USA.
| | - Ali Trabolsi
- Chemistry Program, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates.
- NYUAD Water Research Center, New York University Abu Dhabi (NYUAD), Saadiyat Island, Abu Dhabi, United Arab Emirates.
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6
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Pal T, Chaudhuri D. Chiral and Morphological Anisotropy of Supramolecular Polymers Shaped by a Singularity in Solvent Composition. J Am Chem Soc 2023; 145:2532-2543. [PMID: 36669197 DOI: 10.1021/jacs.2c12253] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Understanding the role of solvent in translating molecular anisotropy to supramolecular polymers is in the early stages. A solvent's influence on the strength of different noncovalent interactions can explain anisotropic growth in some cases, but its effect on cooperative processes, particularly in mixed solvents, remains obscure. We report the self-assembly of a series of chiral perylene bisimides in water-cosolvent mixtures, and the results highlight the fascinating influence of solvent-solute interactions on supramolecular anisotropy, both chiral and morphological. The initial assembly is agnostic to solvent composition, resulting in weakly chiral, spherical nanostructures. In an extremely narrow solvent composition range, the nanospheres transform into long, prominently chiral supramolecular polymers. Further, chirality can be fully reversed by changing the good (achiral) cosolvent. We elucidate how solvent modulates specific noncovalent interactions and governs the kinetics and thermodynamics of key processes, such as spontaneous phase segregation, secondary nucleation, and cooperative growth. In the context of supramolecular polymerization, our results encourage one to steer the focus away from the physical attributes of a solvent (polarity, phase diagram, etc.) and toward the complexities of solvent-solute interactions.
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Affiliation(s)
- Triza Pal
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India
| | - Debangshu Chaudhuri
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India
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7
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Moharana P, Santosh G. Organogels Fabricated from Self-Assembled Nanotubes Containing Core Substituted Perylene Diimide Derivative. ACS OMEGA 2022; 7:21932-21938. [PMID: 35785309 PMCID: PMC9245106 DOI: 10.1021/acsomega.2c02210] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 05/31/2022] [Indexed: 05/27/2023]
Abstract
Perylene-based organogels are well-known for their applications as sensors and optoelectronic materials. Among them, core-substituted perylene diimide-based organogels are rarely explored. Herein, the hierarchical self-assembly mechanism of a newly synthesized, amide-linked core-substituted perylene diimide derivative, which formed organogels in organic solvents like toluene and methyl cyclohexane (MCH), is discussed. These organogels are composed of one-dimensional molecular aggregates like nanofibers and nanotubes. Organogels composed of nanofibers are very frequent. On the contrary, for the first time, we have encountered a perylene diimide-based organogel consisting of self-assembled nanotubes. The molecular interactions, molecular packing, and rheological properties of this organogel are also discussed.
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8
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Singh P, Sharma P, Sharma N, Kaur S. A perylene diimide-based nanoring architecture for exogenous and endogenous ATP detection: biochemical assay for monitoring phosphorylation of glucose. J Mater Chem B 2021; 10:107-119. [PMID: 34889936 DOI: 10.1039/d1tb02235k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Positively charged amphiphiles hold great significance in supramolecular chemistry due to their good solubility, and physiochemical and molecular recognition properties. Herein, we report the synthesis, characterization and molecular recognition properties of the dicationic amphiphile based on perylene diimide-tyrosine alkyl amide amine (PDI 3). PDI 3 showed the formation of a nanoring architecture in the self-assembled aggregated state (90% H2O-DMSO mixture) as observed by SEM and TEM studies. The diameter of the nanoring is around 30-50 nm with a height varying from 1 to 2 nm. The self-assembled aggregates of PDI 3 are very sensitive towards nucleoside triphosphates. Upon addition of ATP, PDI 3 showed a decrease in the absorbance and emission intensity at 535 and 580 nm (due to the monomer state), respectively. The lowest detection limit for ATP is 10.8 nM (UV) and 3.06 nM (FI). Upon interaction of ATP with PDI 3, the nanoring morphology transformed into a spherical structure. These changes could be attributed to the formation of ionic self-assembled aggregates between dicationic PDI 3 and negatively charged ATP via electrostatic and H-bonding interactions. The complexation mechanism of PDI 3 and ATP was confirmed by optical, NMR, Job's plot, DLS, SEM and AFM studies. PDI 3 displays low cytotoxicity toward MG-63 cells and can be successfully used for the detection of exogenous and endogenous ATP. The resulting PDI 3 + ATP complex is successfully used as a 'turn-on' biochemical assay for monitoring phosphorylation of glucose.
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Affiliation(s)
- Prabhpreet Singh
- Department of Chemistry, UGC Centre for Advanced Studies II, Guru Nanak Dev University, Amritsar 143 005, India.
| | - Poonam Sharma
- Department of Chemistry, UGC Centre for Advanced Studies II, Guru Nanak Dev University, Amritsar 143 005, India.
| | - Neha Sharma
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar 143 005, India
| | - Satwinderjeet Kaur
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar 143 005, India
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9
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Gruschwitz FV, Klein T, Kuchenbrod MT, Moriyama N, Fujii S, Nischang I, Hoeppener S, Sakurai K, Schubert US, Brendel JC. Kinetically Controlling the Length of Self-Assembled Polymer Nanofibers Formed by Intermolecular Hydrogen Bonds. ACS Macro Lett 2021; 10:837-843. [PMID: 35549195 DOI: 10.1021/acsmacrolett.1c00296] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Strong directional hydrogen bonds represent a suitable supramolecular force to drive the one-dimensional (1D) aqueous self-assembly of polymeric amphiphiles resulting in cylindrical polymer brushes. However, our understanding of the kinetics in these assembly processes is still limited. We here demonstrate that the obtained morphologies for our recently reported benzene tris-urea and tris-peptide conjugates are strongly pathway-dependent. A controlled transfer from solutions in organic solvents to aqueous environments enabled a rate-dependent formation of kinetically trapped but stable nanostructures ranging from small cylindrical or spherical objects (<50 nm) to remarkably large fibers (>2 μm). A detailed analysis of the underlying assembly mechanism revealed a cooperative nature despite the steric demands of the polymers. Nucleation is induced by hydrophobic interactions crossing a critical water content, followed by an elongation process due to the strong hydrogen bonds. These findings open an interesting new pathway to control the length of 1D polymer nanostructures.
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Affiliation(s)
- Franka V. Gruschwitz
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany
| | - Tobias Klein
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany
| | - Maren T. Kuchenbrod
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany
| | - Naoto Moriyama
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Wakamatsu-ku, Kitakyushu, Fukuoka 808-0135, Japan
| | - Shota Fujii
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Wakamatsu-ku, Kitakyushu, Fukuoka 808-0135, Japan
| | - Ivo Nischang
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany
| | - Stephanie Hoeppener
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Wakamatsu-ku, Kitakyushu, Fukuoka 808-0135, Japan
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany
| | - Johannes C. Brendel
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany
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10
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Wang Y, Wan K, Pan F, Zhu X, Jiang Y, Wang H, Chen Y, Shi X, Liu M. Bamboo-like π-Nanotubes with Tunable Helicity and Circularly Polarized Luminescence. Angew Chem Int Ed Engl 2021; 60:16615-16621. [PMID: 33960094 DOI: 10.1002/anie.202104843] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Indexed: 01/02/2023]
Abstract
We report the fabrication of an exotic bamboo-like π-nanotube via the hierarchical self-assembly of a dipeptide-substituted naphthalenediimide gelator with tunable helicity and circularly polarized luminescence (CPL). It was found that in the presence of trifluoroacetic acid (TFA) the gelator molecules self-assembled into a bamboo-like π-nanotube, which is composed of truncated nanocones and CPL active. When defining the diameter ratio of the lower to upper edge of each nanocone as a parameter to express the helicity of different nanotubes, it was found that both the helicity and CPL of these nanotubes can be adjusted by the amount of TFA. Moreover, the helicity of the nanotube can be conveyed to the achiral quantum dots (QDs) and produce a hybrid nanotube/QDs CPL active materials with adjustable dissymmetry factor. This work finds a new type self-assembled bamboo-like π-nanotube and unveils their helicity and CPL control.
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Affiliation(s)
- Yuan Wang
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Kaiwei Wan
- University of Chinese Academy of Sciences, Beijing, 100049, China.,Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China
| | - Fei Pan
- Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China.,Institute of Solid Mechanics, Beihang University, Beijing, 100191, China
| | - Xuefeng Zhu
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yuqian Jiang
- Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China
| | - Hui Wang
- Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China
| | - Yuli Chen
- Institute of Solid Mechanics, Beihang University, Beijing, 100191, China
| | - Xinghua Shi
- University of Chinese Academy of Sciences, Beijing, 100049, China.,Laboratory of Theoretical and Computational Nanoscience, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, P. R. China
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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11
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Wang Y, Wan K, Pan F, Zhu X, Jiang Y, Wang H, Chen Y, Shi X, Liu M. Bamboo‐like π‐Nanotubes with Tunable Helicity and Circularly Polarized Luminescence. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202104843] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Yuan Wang
- Beijing National Laboratory for Molecular Science CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Kaiwei Wan
- University of Chinese Academy of Sciences Beijing 100049 China
- Laboratory of Theoretical and Computational Nanoscience CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology (NCNST) Beijing 100190 P. R. China
| | - Fei Pan
- Laboratory of Theoretical and Computational Nanoscience CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology (NCNST) Beijing 100190 P. R. China
- Institute of Solid Mechanics Beihang University Beijing 100191 China
| | - Xuefeng Zhu
- Beijing National Laboratory for Molecular Science CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Yuqian Jiang
- Laboratory of Nanosystem and Hierarchical Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology (NCNST) Beijing 100190 P. R. China
| | - Hui Wang
- Laboratory of Theoretical and Computational Nanoscience CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology (NCNST) Beijing 100190 P. R. China
| | - Yuli Chen
- Institute of Solid Mechanics Beihang University Beijing 100191 China
| | - Xinghua Shi
- University of Chinese Academy of Sciences Beijing 100049 China
- Laboratory of Theoretical and Computational Nanoscience CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology (NCNST) Beijing 100190 P. R. China
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 China
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12
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Helmers I, Ghosh G, Albuquerque RQ, Fernández G. Pathway and Length Control of Supramolecular Polymers in Aqueous Media via a Hydrogen Bonding Lock. Angew Chem Int Ed Engl 2021; 60:4368-4376. [PMID: 33152151 PMCID: PMC7898687 DOI: 10.1002/anie.202012710] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Indexed: 12/11/2022]
Abstract
Programming the organization of π-conjugated systems into nanostructures of defined dimensions is a requirement for the preparation of functional materials. Herein, we have achieved high-precision control over the self-assembly pathways and fiber length of an amphiphilic BODIPY dye in aqueous media by exploiting a programmable hydrogen bonding lock. The presence of a (2-hydroxyethyl)amide group in the target BODIPY enables different types of intra- vs. intermolecular hydrogen bonding, leading to a competition between kinetically controlled discoidal H-type aggregates and thermodynamically controlled 1D J-type fibers in water. The high stability of the kinetic state, which is dominated by the hydrophobic effect, is reflected in the slow transformation to the thermodynamic product (several weeks at room temperature). However, this lag time can be suppressed by the addition of seeds from the thermodynamic species, enabling us to obtain supramolecular polymers of tuneable length in water for multiple cycles.
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Affiliation(s)
- Ingo Helmers
- Organisch-Chemisches-InstitutWestfälische-Wilhelms-Universität MünsterCorrenstrasse 4048149MünsterGermany
| | - Goutam Ghosh
- Organisch-Chemisches-InstitutWestfälische-Wilhelms-Universität MünsterCorrenstrasse 4048149MünsterGermany
| | - Rodrigo Q. Albuquerque
- Lehrstuhl für SystemverfahrenstechnikTechnical University of Munich (TUM)Gregor-Mendel-Strasse 485354FreisingGermany
| | - Gustavo Fernández
- Organisch-Chemisches-InstitutWestfälische-Wilhelms-Universität MünsterCorrenstrasse 4048149MünsterGermany
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13
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Jiang P, Li H, Liu W, Li Y, Li B, Yang Y. Silica covering driven intensity enhancement and handedness inversion of the CPL signals of the supramolecular assemblies. NEW J CHEM 2021. [DOI: 10.1039/d1nj01327k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Dipeptide-based hybrid materials with enhanced and inversed circularly polarized luminescence signals were fabricated through a dynamic supramolecular templating approach.
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Affiliation(s)
- Pan Jiang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Hongkun Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Wei Liu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Yi Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Baozong Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Yonggang Yang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
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14
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Moon H, Lim SW, Kim D, Jung OS, Lee YA. Supramolecular isomerism between cyclodimeric and sinusoidal 1D coordination polymers: competition of tunable argentophilic vs. electrostatic interactions. CrystEngComm 2021. [DOI: 10.1039/d0ce01779e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Anion exchanges of metallacyclodimeric nitrate to polyatomic anions crystallize in situ, resulting in a systematic supramolecular isomerism to 1D coordination polymers in mother liquor.
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Affiliation(s)
- Heehun Moon
- Department of Chemistry
- Pusan National University
- Busan 46241
- Republic of Korea
| | - Sang Woo Lim
- Department of Chemistry
- Pusan National University
- Busan 46241
- Republic of Korea
| | - Dongwon Kim
- Department of Chemistry
- Pusan National University
- Busan 46241
- Republic of Korea
| | - Ok-Sang Jung
- Department of Chemistry
- Pusan National University
- Busan 46241
- Republic of Korea
| | - Young-A Lee
- Department of Chemistry
- Jeonbuk National University
- Jeonju 54896
- Korea
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15
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Helmers I, Ghosh G, Albuquerque RQ, Fernández G. Pfad‐ und Längenkontrolle von supramolekularen Polymeren im wässrigen Medium mittels eines Wasserstoffbrückenschlosses. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012710] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ingo Helmers
- Organisch-Chemisches-Institut Westfälische-Wilhelms-Universität Münster Correnstraße 40 48149 Münster Deutschland
| | - Goutam Ghosh
- Organisch-Chemisches-Institut Westfälische-Wilhelms-Universität Münster Correnstraße 40 48149 Münster Deutschland
| | - Rodrigo Q. Albuquerque
- Lehrstuhl für Systemverfahrenstechnik Technische Universität München (TUM) Gregor-Mendel-Straße 4 85354 Freising Deutschland
| | - Gustavo Fernández
- Organisch-Chemisches-Institut Westfälische-Wilhelms-Universität Münster Correnstraße 40 48149 Münster Deutschland
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16
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Mabesoone MJ, Palmans ARA, Meijer EW. Solute-Solvent Interactions in Modern Physical Organic Chemistry: Supramolecular Polymers as a Muse. J Am Chem Soc 2020; 142:19781-19798. [PMID: 33174741 PMCID: PMC7705892 DOI: 10.1021/jacs.0c09293] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Indexed: 12/14/2022]
Abstract
Interactions between solvents and solutes are a cornerstone of physical organic chemistry and have been the subject of investigations over the last century. In recent years, a renewed interest in fundamental aspects of solute-solvent interactions has been sparked in the field of supramolecular chemistry in general and that of supramolecular polymers in particular. Although solvent effects in supramolecular chemistry have been recognized for a long time, the unique opportunities that supramolecular polymers offer to gain insight into solute-solvent interactions have become clear relatively recently. The multiple interactions that hold the supramolecular polymeric structure together are similar in strength to those between solute and solvent. The cooperativity found in ordered supramolecular polymers leads to the possibility of amplifying these solute-solvent effects and will shed light on extremely subtle solvation phenomena. As a result, many exciting effects of solute-solvent interactions in modern physical organic chemistry can be studied using supramolecular polymers. Our aim is to put the recent progress into a historical context and provide avenues toward a more comprehensive understanding of solvents in multicomponent supramolecular systems.
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Affiliation(s)
- Mathijs
F. J. Mabesoone
- Institute
for Complex Molecular Systems and the Laboratory of Macromolecular
and Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Anja R. A. Palmans
- Institute
for Complex Molecular Systems and the Laboratory of Macromolecular
and Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - E. W. Meijer
- Institute
for Complex Molecular Systems and the Laboratory of Macromolecular
and Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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17
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Han Y, Langer M, Medved’ M, Otyepka M, Král P. Stretch‐Healable Molecular Nanofibers. ADVANCED THEORY AND SIMULATIONS 2020. [DOI: 10.1002/adts.202000094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Yanxiao Han
- Department of Chemistry University of Illinois at Chicago Chicago IL 60607 USA
| | - Michal Langer
- Department of Chemistry University of Illinois at Chicago Chicago IL 60607 USA
- Regional Centre of Advanced Technologies and Materials Department of Physical Chemistry Faculty of Science Palacký University Olomouc tř. 17. listopadu 1192/12 771 46 Olomouc Czech Republic
| | - Miroslav Medved’
- Regional Centre of Advanced Technologies and Materials Department of Physical Chemistry Faculty of Science Palacký University Olomouc tř. 17. listopadu 1192/12 771 46 Olomouc Czech Republic
| | - Michal Otyepka
- Regional Centre of Advanced Technologies and Materials Department of Physical Chemistry Faculty of Science Palacký University Olomouc tř. 17. listopadu 1192/12 771 46 Olomouc Czech Republic
| | - Petr Král
- Department of Chemistry University of Illinois at Chicago Chicago IL 60607 USA
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18
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Gruschwitz FV, Klein T, Catrouillet S, Brendel JC. Supramolecular polymer bottlebrushes. Chem Commun (Camb) 2020; 56:5079-5110. [PMID: 32347854 DOI: 10.1039/d0cc01202e] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The field of supramolecular chemistry has long been known to generate complex materials of different sizes and shapes via the self-assembly of single or multiple low molar mass building blocks. Matching the complexity found in natural assemblies, however, remains a long-term challenge considering its precision in organizing large macromolecules into well-defined nanostructures. Nevertheless, the increasing understanding of supramolecular chemistry has paved the way to several attempts in arranging synthetic macromolecules into larger ordered structures based on non-covalent forces. This review is a first attempt to summarize the developments in this field, which focus mainly on the formation of one-dimensional, linear, cylindrical aggregates in solution with pendant polymer chains - therefore coined supramolecular polymer bottlebrushes in accordance with their covalent equivalents. Distinguishing by the different supramolecular driving forces, we first describe systems based on π-π interactions, which comprise, among others, the well-known perylene motif, but also the early attempts using cyclophanes. However, the majority of reported supramolecular polymer bottlebrushes are formed by hydrogen bonds as they can for example be found in linear and cyclic peptides, as well as so called sticker molecules containing multiple urea groups. Besides this overview on the reported motifs and their impact on the resulting morphology of the polymer nanostructures, we finally highlight the potential benefits of such non-covalent interactions and refer to promising future directions of this still mostly unrecognized field of supramolecular research.
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Affiliation(s)
- Franka V Gruschwitz
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany.
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19
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Afshari M, Dinari M, Zargoosh K, Moradi H. Novel Triazine-Based Covalent Organic Framework as a Superadsorbent for the Removal of Mercury(II) from Aqueous Solutions. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00953] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Mohaddeseh Afshari
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
| | - Mohammad Dinari
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
| | - Kiomars Zargoosh
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
| | - Hossein Moradi
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
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20
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Helmers I, Shen B, Kartha KK, Albuquerque RQ, Lee M, Fernández G. Impact of Positional Isomerism on Pathway Complexity in Aqueous Media. Angew Chem Int Ed Engl 2020; 59:5675-5682. [PMID: 31849157 PMCID: PMC7154731 DOI: 10.1002/anie.201911531] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 10/30/2019] [Indexed: 11/11/2022]
Abstract
Pathway complexity has become an important topic in recent years due to its relevance in the optimization of molecular assembly processes, which typically require precise sample preparation protocols. Alternatively, competing aggregation pathways can be controlled by molecular design, which primarily rely on geometrical changes of the building blocks. However, understanding how to control pathway complexity by molecular design remains elusive and new approaches are needed. Herein, we exploit positional isomerism as a new molecular design strategy for pathway control in aqueous self-assembly. We compare the self-assembly of two carboxyl-functionalized amphiphilic BODIPY dyes that solely differ in the relative position of functional groups. Placement of the carboxyl group at the 2-position enables efficient pairwise H-bonding interactions into a single thermodynamic species, whereas meso-substitution induces pathway complexity due to competing hydrophobic and hydrogen bonding interactions. Our results show the importance of positional engineering for pathway control in aqueous self-assembly.
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Affiliation(s)
- Ingo Helmers
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität MünsterCorrensstraße 4048149MünsterGermany
| | - Bowen Shen
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Kalathil K. Kartha
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität MünsterCorrensstraße 4048149MünsterGermany
| | - Rodrigo Q. Albuquerque
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität MünsterCorrensstraße 4048149MünsterGermany
| | - Myongsoo Lee
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012China
| | - Gustavo Fernández
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität MünsterCorrensstraße 4048149MünsterGermany
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21
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Helmers I, Shen B, Kartha KK, Albuquerque RQ, Lee M, Fernández G. Impact of Positional Isomerism on Pathway Complexity in Aqueous Media. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201911531] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ingo Helmers
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Bowen Shen
- State Key Lab of Supramolecular Structure and Materials College of Chemistry Jilin University Changchun 130012 China
| | - Kalathil K. Kartha
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Rodrigo Q. Albuquerque
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Myongsoo Lee
- State Key Lab of Supramolecular Structure and Materials College of Chemistry Jilin University Changchun 130012 China
| | - Gustavo Fernández
- Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
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22
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Helmers I, Bäumer N, Fernández G. Hydrophobic domain flexibility enables morphology control of amphiphilic systems in aqueous media. Chem Commun (Camb) 2020; 56:13808-13811. [DOI: 10.1039/d0cc06173e] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In this work, we unravel the impact of hydrophobic domain flexibility on the self-assembly pathways and aggregate morphology of amphiphilic systems in aqueous media.
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Affiliation(s)
- Ingo Helmers
- Organisch-Chemisches Institut
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Nils Bäumer
- Organisch-Chemisches Institut
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
| | - Gustavo Fernández
- Organisch-Chemisches Institut
- Westfälische Wilhelms-Universität Münster
- 48149 Münster
- Germany
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23
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Jiang Y, Wang C, Lu G, Zhao L, Gong L, Wang T, Qi D, Chen Y, Jiang J. Compartmentalization within Nanofibers of Double‐Decker Phthalocyanine Induces High‐Performance Sensing in both Aqueous Solution and the Gas Phase. Chemistry 2019; 25:16207-16213. [DOI: 10.1002/chem.201903553] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/30/2019] [Indexed: 11/07/2022]
Affiliation(s)
- Yuying Jiang
- Department of ChemistryBeijing Key Laboratory for Science and Application of Functional Molecular and Crystalline MaterialsUniversity of Science and Technology Beijing Beijing 100083 China
| | - Chiming Wang
- Department of ChemistryBeijing Key Laboratory for Science and Application of Functional Molecular and Crystalline MaterialsUniversity of Science and Technology Beijing Beijing 100083 China
| | - Guang Lu
- Department of ChemistryBeijing Key Laboratory for Science and Application of Functional Molecular and Crystalline MaterialsUniversity of Science and Technology Beijing Beijing 100083 China
| | - Luyang Zhao
- Department of ChemistryBeijing Key Laboratory for Science and Application of Functional Molecular and Crystalline MaterialsUniversity of Science and Technology Beijing Beijing 100083 China
| | - Lei Gong
- Department of ChemistryBeijing Key Laboratory for Science and Application of Functional Molecular and Crystalline MaterialsUniversity of Science and Technology Beijing Beijing 100083 China
| | - Tianyu Wang
- Department of ChemistryBeijing Key Laboratory for Science and Application of Functional Molecular and Crystalline MaterialsUniversity of Science and Technology Beijing Beijing 100083 China
| | - Dongdong Qi
- Department of ChemistryBeijing Key Laboratory for Science and Application of Functional Molecular and Crystalline MaterialsUniversity of Science and Technology Beijing Beijing 100083 China
| | - Yanli Chen
- School of ScienceChina University of Petroleum (East China) Qingdao 266580 China
| | - Jianzhuang Jiang
- Department of ChemistryBeijing Key Laboratory for Science and Application of Functional Molecular and Crystalline MaterialsUniversity of Science and Technology Beijing Beijing 100083 China
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24
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Krieg E, Niazov-Elkan A, Cohen E, Tsarfati Y, Rybtchinski B. Noncovalent Aqua Materials Based on Perylene Diimides. Acc Chem Res 2019; 52:2634-2646. [PMID: 31478643 DOI: 10.1021/acs.accounts.9b00188] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Most robust functional organic materials are currently based on polymers. These materials exhibit high stability, but once formed they are difficult to modify, adapt to their environment, and recycle. Materials based on small molecules that are held together by noncovalent interactions can offer an alternative to conventional polymer materials for applications that require adaptive and stimuli-responsive features. However, it is challenging to engineer macroscopic noncovalent materials that are sufficiently robust for practical applications. This Account summarizes progress made by our group towards the development of noncovalent "aqua materials" based on well-defined organic molecules. These materials are uniquely assembled in aqueous media, where they harness the strength of hydrophobic and π-π interactions between large aromatic groups to achieve robustness. Despite their high stability, these supramolecular systems can dynamically respond to external stimuli. We discuss design principles, fundamental properties, and applications of two classes of aqua materials: (1) supramolecular gels and (2) nanocrystalline arrays. The materials were characterized by a combination of steady-state and time-resolved spectroscopic techniques, electrical measurements, molecular modeling, and high-resolution microscopic imaging, in particular cryogenic transmission electron microscopy (cryo-TEM) and cryogenic scanning electron microscopy (cryo-SEM). All investigated aqua materials are based on one key building block, perylene diimide (PDI). PDI exhibits remarkably stable intermolecular bonds, together with useful chemical and optoelectronic properties. PDI-based amphiphiles carrying poly(ethylene glycol) (PEG) were designed to form linear supramolecular polymers in aqueous media. These one-dimensional arrays of noncovalently linked molecules can entangle and form three-dimensional supramolecular networks, leading to soft gel-like materials. Tuning the strength of interactions between fibers enables dynamic adjustment of viscoelastic properties and functional characteristics. Besides supramolecular gels, we show that simple PDI-based molecules can self-assemble in aqueous medium to form robust organic nanocrystals (ONCs). The mechanical and optoelectronic properties of ONCs are distinctly different from gel-phase materials. ONCs are excellent building blocks for macroscopic free-standing materials that can be used in dry state, unlike hydrogels. Being constructed from small molecules, ONC materials are easy to fabricate and recycle. High thermal robustness, good mechanical properties, and modular design render ONC materials versatile and suitable for a variety of applications. In the future, noncovalent aqua materials can become a sustainable alternative to conventional polymer materials. Examples from our research include stimuli-responsive and recyclable filtration membranes for preparative nanoparticle separation, water purification and catalysis, light-harvesting hydrogels for solar energy conversion, and nanocrystalline films for switchable surface coatings and electronic devices.
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Affiliation(s)
- Elisha Krieg
- Leibniz-Institut für Polymerforschung Dresden e.V., 01069 Dresden, Germany
- Technische Universität Dresden, 01069 Dresden, Germany
| | - Angelica Niazov-Elkan
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Erez Cohen
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Yael Tsarfati
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Boris Rybtchinski
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 7610001, Israel
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25
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Dynamic Adaptive Two-Dimensional Supramolecular Assemblies for On-Demand Filtration. iScience 2019; 19:14-24. [PMID: 31349188 PMCID: PMC6660589 DOI: 10.1016/j.isci.2019.07.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/12/2019] [Accepted: 07/03/2019] [Indexed: 12/19/2022] Open
Abstract
The construction of synthetic two-dimensional (2D) materials designates a pathway to the versatile chemical functionality by spatial control. However, current 2D materials with intelligence of stimuli-responsibility and adaptiveness have been unfledged. The approach reported here uses a supramolecular strategy to achieve the dynamic non-covalent self-assembly of a rationally designed small molecule monomer, producing large-area, ultra-thin, porous 2D supramolecular assemblies, which are solution-processable in aqueous solution. Importantly, the 2D supramolecular assemblies exhibit distinct adaptive capability to automatically regulate their network density and pore diameters in response to environmental temperature change, which could be developed into an "on-demand" filtration application for nanoparticles. Meanwhile, the 2D supramolecular assemblies can also perform reversible degradation/reformation by photo-irradiation. Our results not only show the simplicity, reliability, and effectiveness of supramolecular strategies in the construction of 2D materials with practical sizes, but also push the dynamic alterability and adaptation features from supramolecular assemblies toward 2D materials. 2D supramolecular assemblies combine large area, nano-thickness and water solubility The 2D assemblies can perform reversible expansion/contraction to tune pore sizes The 2D material can be used for on-demand nanoparticles filtration
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26
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Shen X, Li B, Pan T, Wu J, Wang Y, Shang J, Ge Y, Jin L, Qi Z. Self-assembly behaviors of perylene- and naphthalene-crown macrocycle conjugates in aqueous medium. Beilstein J Org Chem 2019; 15:1203-1209. [PMID: 31293667 PMCID: PMC6604709 DOI: 10.3762/bjoc.15.117] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 05/14/2019] [Indexed: 12/15/2022] Open
Abstract
The synthesis of conjugates of perylene diimide (PDI) and naphthalene diimide (NDI) modified with two benzo-21-crown-7 ethers (B21C7) are herein described. Their self-assembly behavior in various solvents was investigated particularly in aqueous medium, due to the recently discovered hydrophilic properties of B21C7 crown macrocycle. An unexpected fluorescence quenching phenomenon was observed in the PDI-B21C7 macrocycle conjugate in chloroform. The detailed UV-vis absorption and fluorescence spectra of these PDI/NDI derivatives in different solvents as well as their morphologies were investigated.
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Affiliation(s)
- Xin Shen
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Bo Li
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Tiezheng Pan
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Jianfeng Wu
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Yangxin Wang
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Jie Shang
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Yan Ge
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Lin Jin
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
| | - Zhenhui Qi
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
- Institute of Biomedical Materials & Engineering (IBME), Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P. R. China
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27
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Mu D, Li JQ, Cong XS, Mi YW, Zhang H. Solvent Effect on the Self-Assembly of a Thin Film Consisting of Y-Shaped Copolymer. Polymers (Basel) 2019; 11:polym11020261. [PMID: 30960246 PMCID: PMC6419031 DOI: 10.3390/polym11020261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 01/30/2019] [Accepted: 01/31/2019] [Indexed: 11/16/2022] Open
Abstract
The self-assembly of an amphiphilic Y-shaped copolymer consisting of two hydrophilic branches and one hydrophobic branch in a thin film is investigated under different conditions by virtue of mesoscopic computer modelling, accompanied by doping with a single solvent, doping with a binary solvent, and those solvent environments together with the introduction of confinement defined by various acting distances and influencing regions. A cylindrical micellar structure is maintained, as it is in the thin film with the doping of either 10% hydrophobic solvent or 10% hydrophilic solvent, whose structure consists of the hydrophobic core and hydrophilic shell. Attributed to the hydrophobicity/hydrophilia nature of the solvents, different solvents play an obvious role on the self-assembled structure, i.e., the hydrophobic solvent presents as a swelling effect, conversely, the hydrophilic solvent presents as a shrinking effect. Further, the synergistic effect of the binary solvents on the self-assembly produces the lowest values in both the average volumetric size and free energy density when the quantity of hydrophobic solvent and hydrophilic solvent is equivalent. Interestingly, the solvent effect becomes more pronounced under the existent of a confinement. When a lateral-oriented confinement is introduced, a periodically fluctuating change in the cylindrical size occurs in two near-wall regions, but the further addition of either hydrophobic or hydrophilic solvent can effectively eliminate such resulting hierarchical-sized cylinders and generate uniform small-sized cylinders. However, with the introduction of a horizontal-orientated confinement, the copolymers self-assemble into the spherical micellar structure. Moreover, the further addition of hydrophobic solvent leads to a decrease in the average size of micelles via coalescence mechanism, in contrast, the further addition of hydrophilic solvent causes an increase in the average size of micelles via splitting mechanism. These findings enrich our knowledge of the potential for the solvent effect on the self-assembly of amphiphilic copolymer system, and then provide theoretical supports on improving and regulating the mesoscopic structure of nanomaterials.
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Affiliation(s)
- Dan Mu
- College of Chemistry Chemical Engineering and Materials Science, Zaozhuang University, Zaozhuang 277160, China.
- Advanced Photonics Center, Southeast University, 2# Sipailou, Nanjing 210096, China.
| | - Jian-Quan Li
- Opto-Electronic Engineering College, Zaozhuang University, Zaozhuang 277160, China.
| | - Xing-Shun Cong
- College of Chemistry Chemical Engineering and Materials Science, Zaozhuang University, Zaozhuang 277160, China.
| | - Yu-Wei Mi
- College of Chemistry Chemical Engineering and Materials Science, Zaozhuang University, Zaozhuang 277160, China.
| | - Han Zhang
- College of Chemistry Chemical Engineering and Materials Science, Zaozhuang University, Zaozhuang 277160, China.
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Yan T, Yang F, Qi S, Fan X, Liu S, Ma N, Luo Q, Dong Z, Liu J. Supramolecular nanochannels self-assembled by helical pyridine–pyridazine oligomers. Chem Commun (Camb) 2019; 55:2509-2512. [DOI: 10.1039/c8cc10098e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We present a novel helix-based supramolecular nanochannel, wherein alkali ions could be easily collected, transported and even controllably released.
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Affiliation(s)
- Tengfei Yan
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Feihu Yang
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Shuaiwei Qi
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Xiaotong Fan
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Shengda Liu
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Ningning Ma
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Quan Luo
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Zeyuan Dong
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Junqiu Liu
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
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Li S, Liu R, Bekana D, Lai Y, Liu J. Self-assembly of supramolecular nanotubes/microtubes from 3,5-dimethyl-4-iodopyrazole for plasmonic nanoparticle organization. NANOSCALE 2018; 10:20804-20812. [PMID: 30402648 DOI: 10.1039/c8nr07372d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Hierarchical super-architectures from small molecule self-assembly have interesting properties and play an indispensable role in many fields. In most cases, a self-assembly process refers to multiple intermolecular interactions among intricately designed building blocks. Here, a supramolecular assembly with a tubular morphology with dimensions ranging from nanometers to micrometers was prepared through self-assembly of 3,5-dimethyl-4-iodopyrazole (DMIP), a molecule with an unprecedented simple structure. As predicted by density functional theory (DFT) calculations, the hydrogen bond and halogen bond interaction energy between DMIP molecules can be up to 32.81 kJ mol-1, which effectively drives DMIP molecules to assemble into fibrils, sheets, and finally, tubular architectures. Intriguingly, the formed tubular structure can be easily removed by heating at 100 °C, enabling the material to function as a disposable template to guide linear organization of nanostructures. As a proof of concept, ordered Au or Ag nanochains with diameters ranging from 18 to 120 nm were facilely prepared in high yield.
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Affiliation(s)
- Shasha Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing 100085, China.
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30
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Mansbach RA, Ferguson AL. Patchy Particle Model of the Hierarchical Self-Assembly of π-Conjugated Optoelectronic Peptides. J Phys Chem B 2018; 122:10219-10236. [DOI: 10.1021/acs.jpcb.8b05781] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Rachael A. Mansbach
- Department of Physics, University of Illinois at Urbana−Champaign, 1110 West Green Street, Urbana, Illinois 61801, United States
| | - Andrew L. Ferguson
- Department of Physics, University of Illinois at Urbana−Champaign, 1110 West Green Street, Urbana, Illinois 61801, United States
- Department of Materials Science and Engineering, University of Illinois at Urbana−Champaign, 1304 W Green Street, Urbana, Illinois 61801, United States
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana−Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
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Yang Y, Zhong K, Chen T, Jin LY. Morphological Control of Coil-Rod-Coil Molecules Containing m-Terphenyl Group: Construction of Helical Fibers and Helical Nanorings in Aqueous Solution. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:10613-10621. [PMID: 30107734 DOI: 10.1021/acs.langmuir.8b01904] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Rod-coil molecules, composed of rigid segments and flexible coil chains, have a strong intrinsic ability to self-assemble into diverse supramolecular nanostructures. Herein, we report the synthesis and the morphological control of a new series of amphiphilic coil-rod-coil molecular isomers 1-2 containing flexible oligoether chains. These molecules are comprised of m-terphenyl and biphenyl groups, along with triple bonds, and possess lateral methyl or butyl groups at the coil or rod segments. The results of this study suggest that the morphology of supramolecular aggregates is significantly influenced by the lateral alkyl groups and by the sequence of the rigid fragments in the bulk and in aqueous solution. The molecules with different coils self-assemble into lamellar or oblique columnar structures in the bulk state. In aqueous solution, molecule 1a, with a lack of lateral groups, self-assembled into large strips of sheets, whereas exquisite nanostructures of helical fibers were obtained from molecule 1b, which incorporated lateral methyl groups between the rod and coil segments. Interestingly, molecule 1c with lateral butyl and methyl groups exhibited a strong self-organizing capacity to form helical nanorings. Nanoribbons, helical fibers, and small nanorings were simultaneously formed from the 2a-2c, which are structural isomers of 1a, 1b, and 1c. Accurate control of these supramolecular nanostructures can be achieved by tuning the synergistic interactions of the noncovalent driving force with hydrophilic-hydrophobic interactions in aqueous solution.
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Affiliation(s)
- Yuntian Yang
- Key Laboratory for Organism Resources of the Changbai Mountain and Functional Molecules, Ministry of Education, and Department of Chemistry, College of Science , Yanbian University , Yanji 133002 , China
| | - Keli Zhong
- College of Chemistry, Chemical Engineering and Food Safety, Bohai University , Jinzhou 121013 , China
| | - Tie Chen
- Key Laboratory for Organism Resources of the Changbai Mountain and Functional Molecules, Ministry of Education, and Department of Chemistry, College of Science , Yanbian University , Yanji 133002 , China
| | - Long Yi Jin
- Key Laboratory for Organism Resources of the Changbai Mountain and Functional Molecules, Ministry of Education, and Department of Chemistry, College of Science , Yanbian University , Yanji 133002 , China
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Zhao B, Jia R, Zhang Y, Liu D, Zheng X. Design and synthesis of antibacterial waterborne fluorinated polyurethane. J Appl Polym Sci 2018. [DOI: 10.1002/app.46923] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- B. Zhao
- School of Materials Science and Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
| | - R. Jia
- School of Materials Science and Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
| | - Y. Zhang
- Shanghai Xianke Chemical Co., Ltd., Building 9, 1288 Canggong Road, Fengxian District; Shanghai 201417 People's Republic of China
| | - D. Liu
- School of Materials Science and Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
| | - X. Zheng
- School of Materials Science and Engineering; Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
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Chen B, Wang JX, Wang D, Zeng XF, Clarke SM, Chen JF. Synthesis of transparent dispersions of aluminium hydroxide nanoparticles. NANOTECHNOLOGY 2018; 29:305605. [PMID: 29742070 DOI: 10.1088/1361-6528/aac371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Transparent dispersions of inorganic nanoparticles are attractive materials in many fields. However, a facile method for preparing such dispersions of aluminium hydroxide nanoparticles is yet to be realized. Here, we report a direct reactive method to prepare transparent dispersions of pseudo-boehmite nanoparticles (1 wt%) without any surface modification, and with an average particle size of 80 nm in length and 10 nm in width, as well as excellent optical transparency over 94% in the visible range. Furthermore, transparent dispersions of boehmite nanoparticles (1.5 wt%) were also achieved after an additional hydrothermal treatment. However, the optical transparency of dispersions decreased with the rise of hydrothermal temperature and the shape of particles changed from rhombs to hexagons. In particular, monodisperse hexagonal boehmite nanoplates with an average lateral size of 58 nm and a thickness of 12.5 nm were obtained at a hydrothermal temperature of 220 °C. The selectivity of crystal growth direction was speculated as the possible formation mechanism of these as-prepared aluminium hydroxide nanoparticles. Besides, two values of 19.6 wt% and 14.64 wt% were separately measured for the weight loss of pseudo-boehmite and boehmite nanoparticles after a continuous heating, indicating their potential flame-resistant applications in the fabrication of plastic electronics and optical devices with high transparency.
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Affiliation(s)
- Bo Chen
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China. Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China. BP Institute and Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom
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Frederix PWJM, Patmanidis I, Marrink SJ. Molecular simulations of self-assembling bio-inspired supramolecular systems and their connection to experiments. Chem Soc Rev 2018; 47:3470-3489. [PMID: 29688238 PMCID: PMC5961611 DOI: 10.1039/c8cs00040a] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Indexed: 01/01/2023]
Abstract
In bionanotechnology, the field of creating functional materials consisting of bio-inspired molecules, the function and shape of a nanostructure only appear through the assembly of many small molecules together. The large number of building blocks required to define a nanostructure combined with the many degrees of freedom in packing small molecules has long precluded molecular simulations, but recent advances in computational hardware as well as software have made classical simulations available to this strongly expanding field. Here, we review the state of the art in simulations of self-assembling bio-inspired supramolecular systems. We will first discuss progress in force fields, simulation protocols and enhanced sampling techniques using recent examples. Secondly, we will focus on efforts to enable the comparison of experimentally accessible observables and computational results. Experimental quantities that can be measured by microscopy, spectroscopy and scattering can be linked to simulation output either directly or indirectly, via quantum mechanical or semi-empirical techniques. Overall, we aim to provide an overview of the various computational approaches to understand not only the molecular architecture of nanostructures, but also the mechanism of their formation.
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Affiliation(s)
- Pim W. J. M. Frederix
- Groningen Biomolecular Sciences and Biotechnology Institute and Zernike Institute for Advanced Materials , University of Groningen , Groningen , The Netherlands . ;
| | - Ilias Patmanidis
- Groningen Biomolecular Sciences and Biotechnology Institute and Zernike Institute for Advanced Materials , University of Groningen , Groningen , The Netherlands . ;
| | - Siewert J. Marrink
- Groningen Biomolecular Sciences and Biotechnology Institute and Zernike Institute for Advanced Materials , University of Groningen , Groningen , The Netherlands . ;
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35
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Li J, Bullara D, Du X, He H, Sofou S, Kevrekidis IG, Epstein IR, Xu B. Kinetic Analysis of Nanostructures Formed by Enzyme-Instructed Intracellular Assemblies against Cancer Cells. ACS NANO 2018. [PMID: 29537820 PMCID: PMC5916050 DOI: 10.1021/acsnano.8b01016] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Recent studies have demonstrated that enzyme-instructed self-assembly (EISA) in extra- or intracellular environments can serve as a multistep process for controlling cell fate. There is little knowledge, however, about the kinetics of EISA in the complex environments in or around cells. Here, we design and synthesize three dipeptidic precursors (ld-1-SO3, dl-1-SO3, dd-1-SO3), consisting of diphenylalanine (l-Phe-d-Phe, d-Phe-l-Phe, d-Phe-d-Phe, respectively) as the backbone, which are capped by 2-(naphthalen-2-yl)acetic acid at the N-terminal and by 2-(4-(2-aminoethoxy)-4-oxobutanamido)ethane-1-sulfonic acid at the C-terminal. On hydrolysis by carboxylesterases (CES), these precursors result in hydrogelators, which self-assemble in water at different rates. Whereas all three precursors selectively kill cancer cells, especially high-grade serous ovarian carcinoma cells, by undergoing intracellular EISA, dl-1-SO3 and dd-1-SO3 exhibit the lowest and the highest activities, respectively, against the cancer cells. This trend inversely correlates with the rates of converting the precursors to the hydrogelators in phosphate-buffered saline. Because CES exists both extra- and intracellularly, we use kinetic modeling to analyze the kinetics of EISA inside cells and to calculate the cytotoxicity of each precursor for killing cancer cells. Our results indicate that (i) the stereochemistry of the precursors affects the morphology of the nanostructures formed by the hydrogelators, as well as the rate of enzymatic conversion; (ii) decreased extracellular hydrolysis of precursors favors intracellular EISA inside the cells; (iii) the inherent features ( e.g., self-assembling ability and morphology) of the EISA molecules largely dictate the cytotoxicity of intracellular EISA. As the kinetic analysis of intracellular EISA, this work elucidates how the stereochemistry modulates EISA in the complex extra- and/or intracellular environment for developing anticancer molecular processes. Moreover, it provides insights for understanding the kinetics and cytotoxicity of aggregates of aberrant proteins or peptides formed inside and outside cells.
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Affiliation(s)
- Jie Li
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Domenico Bullara
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Xuewen Du
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Hongjian He
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Stavroula Sofou
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Ioannis G. Kevrekidis
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Irving R. Epstein
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
- Corresponding Authors: ,
| | - Bing Xu
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
- Corresponding Authors: ,
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Liu H, Lu G, Feng C, Huang X. A new difluoromethoxyl-containing acrylate monomer for PEG-b-PDFMOEA amphiphilic diblock copolymers. Polym Chem 2018. [DOI: 10.1039/c8py00942b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This article reports the first synthesis of a well-defined difluoromethoxyl-containing polyacrylate via ATRP.
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Affiliation(s)
- Haoyu Liu
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Guolin Lu
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Chun Feng
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Xiaoyu Huang
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
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