1
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Wang Y, Liu W, Zang Z, Luo Y, Sun S, Zhang S, Russell TP, Shi S, Wu Z. Amphiphilic Polyphosphazene for Fluorocarbon Emulsion Stabilization. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2312275. [PMID: 38573924 DOI: 10.1002/smll.202312275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 03/11/2024] [Indexed: 04/06/2024]
Abstract
High internal phase emulsions (HIPEs) have been of great interest for fabricating fluorinated porous polymers having controlled pore structures and excellent physicochemical properties. However, it remains a challenge to prepare stable fluorocarbon HIPEs, due to the lack of suitable surfactants. By randomly grating hydrophilic and fluorophilic side chains to polyphosphazene (PPZ), a comb-like amphiphilic PPZ surfactant with biodegradability is designed and synthesized for stabilizing water/fluorocarbon oil-based emulsions. The hydrophilic-lipophilic balance of PPZs can be controlled by tuning the grating ratio of the two side chains, leading to the preparation of stable water-in-oil HIPEs and oil-in-water emulsions, and the production of fluorinated porous polymers and particles by polymerizing the oil phase. These fluorinated porous polymers show excellent thermal stability and, due to the hydrophobicity and porous structure, applications in the field of oil/water separation can be achieved.
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Affiliation(s)
- Yongkang Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Wei Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhiyi Zang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yuzheng Luo
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Shuyi Sun
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Shuangkun Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Thomas P Russell
- Department of Polymer Science and Engineering, University of Massachusetts, Amherst, MA, 01003, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Shaowei Shi
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
- Beijing Engineering Research Center for the Synthesis and Applications of Waterborne Polymers, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhanpeng Wu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
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2
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Natal Lima de Menezes R, Felisberti MI. pH-responsive crosslinked vesicles and micelles based on poly(2-ethyl-2-oxazoline-b-4-vinylpyridine). Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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3
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Fang R, Pi J, Wei T, Ali A, Guo L. Stimulus-Responsive Polymers Based on Polypeptoid Skeletons. Polymers (Basel) 2021; 13:2089. [PMID: 34202869 PMCID: PMC8271857 DOI: 10.3390/polym13132089] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/21/2021] [Accepted: 06/22/2021] [Indexed: 12/13/2022] Open
Abstract
Polypeptoids have attracted a lot of atteSDntion because of their unique structural characteristics and special properties. Polypeptoids have the same main chain structures to polypeptides, making them have low cytotoxicity and excellent biocompatibility. Polypeptoids can also respond to external environmental changes by modifying the configurations of the side chains. The external stimuli can be heat, pH, ions, ultraviolet/visible light and active oxygen or their combinations. This review paper discussed the recent research progress in the field of stimulus-responsive polypeptoids, including the design of new stimulus-responsive polypeptoid structures, controlled actuation factors in response to external stimuli and the application of responsive polypeptoid biomaterials in various biomedical and biological nanotechnology, such as drug delivery, tissue engineering and biosensing.
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Affiliation(s)
| | | | | | - Amjad Ali
- Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China; (R.F.); (J.P.); (T.W.)
| | - Li Guo
- Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China; (R.F.); (J.P.); (T.W.)
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4
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Deng Y, Chen H, Tao X, Trépout S, Ling J, Li MH. Synthesis and self-assembly of poly(ethylene glycol)-block-poly(N-3-(methylthio)propyl glycine) and their oxidation-sensitive polymersomes. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.12.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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5
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Morton LD, Hillsley A, Austin MJ, Rosales AM. Tuning hydrogel properties with sequence-defined, non-natural peptoid crosslinkers. J Mater Chem B 2020; 8:6925-6933. [PMID: 32436556 DOI: 10.1039/d0tb00683a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The native extracellular matrix (ECM) is composed of hierarchically structured biopolymers containing precise monomer sequences and chain shapes to yield bioactivity. Recapitulating this structure in synthetic hydrogels is of particular interest for tissue engineering and in vitro disease models to accurately mimic biological microenvironments. However, despite extensive research on hydrogels, it remains a challenge to recapitulate the hierarchical structure of native ECM with completely synthetic hydrogel platforms. Toward this end, this work presents a synthetic hydrogel system using commercially available poly(ethylene glycol) macromers with sequence-defined poly(N-substituted glycines) (peptoids) as crosslinkers. We demonstrate that bulk hydrogel mechanics, specifically as shear storage modulus, can be controlled by altering peptoid sequence and structure. Notably, the helical peptoid sequence investigated here increases the storage modulus of the resulting hydrogels with increasing helical content and chain length, in a fashion similar to helical peptide-crosslinked hydrogels. In addition, the resulting hydrogels are shown to be hydrolytically and enzymatically stable due to the N-substituted peptidomimetic backbone of the crosslinkers. We further demonstrate the potential utility of these peptoid-crosslinked hydrogels as a viable cell culture platform using seeded human dermal fibroblasts in comparison to peptide-crosslinked hydrogels as a control. Taken together, our system offers a strategy toward ECM mimics that replicate the hierarchy of biological matrices with completely synthetic, sequence-defined molecules.
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Affiliation(s)
- Logan D Morton
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, USA.
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6
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Xuan S, Zuckermann RN. Diblock copolypeptoids: a review of phase separation, crystallization, self-assembly and biological applications. J Mater Chem B 2020; 8:5380-5394. [DOI: 10.1039/d0tb00477d] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Diblock copolypeptoids have the capacity to phase separate, crystallize, and self-assemble into a variety of nanostructures, which have shown great potential in a variety of biological applications.
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Affiliation(s)
- Sunting Xuan
- Molecular Foundry
- Lawrence Berkeley National Laboratory
- Berkeley
- USA
- Materials Sciences Division
| | - Ronald N. Zuckermann
- Molecular Foundry
- Lawrence Berkeley National Laboratory
- Berkeley
- USA
- Materials Sciences Division
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7
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Yu T, Swientoniewski LT, Omarova M, Li MC, Negulescu II, Jiang N, Darvish OA, Panchal A, Blake DA, Wu Q, Lvov YM, John VT, Zhang D. Investigation of Amphiphilic Polypeptoid-Functionalized Halloysite Nanotubes as Emulsion Stabilizer for Oil Spill Remediation. ACS APPLIED MATERIALS & INTERFACES 2019; 11:27944-27953. [PMID: 31306577 DOI: 10.1021/acsami.9b08623] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Halloysite nanotubes (HNTs), naturally occurring and environmental benign clay nanoparticles, have been successfully functionalized with amphiphilic polypeptoid polymers by surface-initiated polymerization methods and investigated as emulsion stabilizers toward oil spill remediation. The hydrophilicity and lipophilicity balance (HLB) of the grafted polypeptoids was shown to affect the wettability of functionalized HNTs and their performance as stabilizers for oil-in-water emulsions. The functionalized HNTs having relatively high hydrophobic content (HLB = 12.0-15.0) afforded the most stable oil-in-water emulsions containing the smallest oil droplet sizes. This has been attributed to the augmented interfacial activities of polypeptoid-functionalized HNTs, resulting in more effective reduction of interfacial tension, enhancement of thermodynamic propensity of the HNT particles to partition at the oil-water interface, and increased emulsion viscosity relative to the pristine HNTs. Cell culture studies have revealed that polypeptoid-functionalized HNTs are noncytotoxic toward Alcanivorax borkumensis, a dominant alkane degrading bacterium found in the ocean after oil spill. Notably, the functionalized HNTs with higher hydrophobic polypeptoid content (HLB = 12.0-14.3) were shown to induce more cell proliferation than either pristine HNTs or those functionalized with less hydrophobic polypeptoids. It was postulated that the functionalized HNTs with higher hydrophobic polypeptoid content may promote the bacterial proliferation by providing larger oil-water interfacial area and better anchoring of bacteria at the interface.
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Affiliation(s)
| | - Lauren T Swientoniewski
- Department of Biochemistry and Molecular Biology , Tulane University School of Medicine , New Orleans , Louisiana 70112 , United States
| | - Marzhana Omarova
- Department of Chemical and Biomolecular Engineering , Tulane University , New Orleans , Louisiana 70118 , United States
| | - Mei-Chun Li
- School of Renewable Natural Resources , Louisiana State University Agricultural Center , Baton Rouge , Louisiana 70803 , United States
| | | | | | | | - Abhishek Panchal
- Institute for Micromanufacturing , Louisiana Tech University , Ruston , Louisiana 71272 , United States
| | - Diane A Blake
- Department of Biochemistry and Molecular Biology , Tulane University School of Medicine , New Orleans , Louisiana 70112 , United States
| | - Qinglin Wu
- School of Renewable Natural Resources , Louisiana State University Agricultural Center , Baton Rouge , Louisiana 70803 , United States
| | - Yuri M Lvov
- Institute for Micromanufacturing , Louisiana Tech University , Ruston , Louisiana 71272 , United States
| | - Vijay T John
- Department of Chemical and Biomolecular Engineering , Tulane University , New Orleans , Louisiana 70118 , United States
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8
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Deng Y, Chen H, Tao X, Cao F, Trépout S, Ling J, Li MH. Oxidation-Sensitive Polymersomes Based on Amphiphilic Diblock Copolypeptoids. Biomacromolecules 2019; 20:3435-3444. [DOI: 10.1021/acs.biomac.9b00713] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yangwei Deng
- Chimie ParisTech, PSL University Paris, CNRS, Institut de Recherche de Chimie Paris, UMR8247, 11 rue Pierre et Marie Curie, 75005 Paris, France
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 38 Zheda Road, 310027 Hangzhou, China
| | - Hui Chen
- Chimie ParisTech, PSL University Paris, CNRS, Institut de Recherche de Chimie Paris, UMR8247, 11 rue Pierre et Marie Curie, 75005 Paris, France
| | - Xinfeng Tao
- Chimie ParisTech, PSL University Paris, CNRS, Institut de Recherche de Chimie Paris, UMR8247, 11 rue Pierre et Marie Curie, 75005 Paris, France
| | - Fangyi Cao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 38 Zheda Road, 310027 Hangzhou, China
| | - Sylvain Trépout
- Institut Curie, INSERM U1196 and CNRS UMR9187, 91405 Orsay Cedex, France
| | - Jun Ling
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 38 Zheda Road, 310027 Hangzhou, China
| | - Min-Hui Li
- Chimie ParisTech, PSL University Paris, CNRS, Institut de Recherche de Chimie Paris, UMR8247, 11 rue Pierre et Marie Curie, 75005 Paris, France
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 38 Zheda Road, 310027 Hangzhou, China
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 15 North Third Ring Road, Chaoyang District, 100029 Beijing, China
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9
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Battigelli A. Design and preparation of organic nanomaterials using self‐assembled peptoids. Biopolymers 2019; 110:e23265. [DOI: 10.1002/bip.23265] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 01/30/2019] [Accepted: 02/04/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Alessia Battigelli
- School of Engineering, Center for Biomedical Engineering, Institute for Molecular and Nanoscale Innovation, Brown University Providence Rhode Island
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10
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Gangloff N, Höferth M, Stepanenko V, Sochor B, Schummer B, Nickel J, Walles H, Hanke R, Würthner F, Zuckermann RN, Luxenhofer R. Linking two worlds in polymer chemistry: The influence of block uniformity and dispersity in amphiphilic block copolypeptoids on their self‐assembly. Biopolymers 2019; 110:e23259. [DOI: 10.1002/bip.23259] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/21/2018] [Accepted: 01/03/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Niklas Gangloff
- Lehrstuhl für Chemische Technologie der Materialsynthese Universität Würzburg Würzburg Germany
| | - Marcel Höferth
- Lehrstuhl für Chemische Technologie der Materialsynthese Universität Würzburg Würzburg Germany
| | - Vladimir Stepanenko
- Institut für Organische Chemie & Center for Nanosystems Chemistry (CNC) Universität Würzburg Würzburg Germany
- Bavarian Polymer Institute (BPI) Universität Würzburg Würzburg Germany
| | - Benedikt Sochor
- Lehrstuhl für Röntgenmikroskopie Universität Würzburg Würzburg Germany
| | - Bernhard Schummer
- Lehrstuhl für Röntgenmikroskopie Universität Würzburg Würzburg Germany
| | - Joachim Nickel
- Lehrstuhl für Tissue Engineering und Regenerative Medizin Universitätsklinikum Würzburg Würzburg Germany
| | - Heike Walles
- Lehrstuhl für Tissue Engineering und Regenerative Medizin Universitätsklinikum Würzburg Würzburg Germany
| | - Randolf Hanke
- Lehrstuhl für Röntgenmikroskopie Universität Würzburg Würzburg Germany
| | - Frank Würthner
- Institut für Organische Chemie & Center for Nanosystems Chemistry (CNC) Universität Würzburg Würzburg Germany
- Bavarian Polymer Institute (BPI) Universität Würzburg Würzburg Germany
| | - Ronald N. Zuckermann
- Molecular Foundry, Biological Nanostructures, Lawrence Berkeley National Laboratory United States of America
| | - Robert Luxenhofer
- Lehrstuhl für Chemische Technologie der Materialsynthese Universität Würzburg Würzburg Germany
- Bavarian Polymer Institute (BPI) Universität Würzburg Würzburg Germany
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11
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Yu H, Ingram N, Rowley JV, Parkinson S, Green DC, Warren NJ, Thornton PD. Thermoresponsive polysarcosine-based nanoparticles. J Mater Chem B 2019. [DOI: 10.1039/c9tb00588a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Polysarcosine modified with limited molar amounts of (N-(2-hydroxypropyl)methacrylamide) yields a block copolymer capable of forming thermoresponsive nanoparticles that are suitable for controlled release applications.
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Affiliation(s)
- Huayang Yu
- School of Chemistry
- University of Leeds
- Leeds
- UK
| | - Nicola Ingram
- Leeds Institute of Biomedical and Clinical Sciences
- Wellcome Trust Brenner Building
- St James's University Hospital
- Leeds
- UK
| | | | - Sam Parkinson
- School of Chemical and Process Engineering
- University of Leeds
- Leeds
- UK
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12
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Gebru H, Wang X, Li Z, Liu J, Xu J, Wang H, Xu S, Wei F, Zhu H, Guo K. Brønsted base mediated one-pot synthesis of catechol-ended amphiphilic polysarcosine-b-poly(N-butyl glycine) diblock copolypeptoids. PURE APPL CHEM 2018. [DOI: 10.1515/pac-2018-0604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Abstract
Catechol moiety offers a versatile platform in the preparation of functionalized polymers, but it is not usually compatible with catalysis in polymerizations. To address these challenges, we suggest employment of one Brønsted base in masking the activity of catechol moiety and to modulate the polymerization. Based on this strategy, the ring-opening polymerization (ROP) of sarcosine N-carboxyanhydrides (Sar-NCA) was carried out using dopamine hydrochloride as an initiator and triethylamine as a Brønsted base. PSar with predicted molecular weights (M
n,NMR=3.7 kg mol−1) and narrow dispersities (Đ<1.13) was prepared. Catechol initiator was successfully linked to PSar end as confirmed by MALDI-ToF MS. Subsequently, copolymerization of N-butyl glycine N-carboxyanhydrides (Bu-Gly-NCA) from the PSar in one-pot produced catechol end-functionalized amphiphilic polysarcosine-block-poly(N-butyl glycine) diblock copolypeptoids (cat-PSar-b-PGlyBu). Further, cat-PSar-b-PGlyBu enabled the aqueous dispersion of manganese oxide nanoparticles which was attributable to the anchor of the diblock copolymers onto the surface of the nanoparticles. The strategy for catechol masking and polymerization mediating by one Brønsted base offered a new avenue into the synthesis of catechol-ended block copolymers.
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Affiliation(s)
- Hailemariam Gebru
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
- Department of Chemistry , Mizan-Tepi University , PO Box 260 , Tepi , Ethiopia
| | - Xin Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
| | - Zhenjiang Li
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
| | - Jingjing Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
| | - Jiaxi Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
| | - Haixin Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
| | - Songquan Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
| | - Fulan Wei
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
| | - Hui Zhu
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
| | - Kai Guo
- State Key Laboratory of Materials-Oriented Chemical Engineering , College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , 30 Puzhu Road South , Nanjing 211816 , China
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13
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Tao X, Zheng B, Bai T, Li MH, Ling J. Polymerization of N-Substituted Glycine N-Thiocarboxyanhydride through Regioselective Initiation of Cysteamine: A Direct Way toward Thiol-Capped Polypeptoids. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00259] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Xinfeng Tao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
- PSL Université Paris, CNRS, Institut de Recherche de Chimie Paris, UMR8247, Chimie ParisTech, 11 rue Pierre et Marie Curie, 75005 Paris, France
| | - Botuo Zheng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Tianwen Bai
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Min-Hui Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
- PSL Université Paris, CNRS, Institut de Recherche de Chimie Paris, UMR8247, Chimie ParisTech, 11 rue Pierre et Marie Curie, 75005 Paris, France
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, 15 North Third Ring Road, Chaoyang District, 100029 Beijing, China
| | - Jun Ling
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
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14
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Birke A, Ling J, Barz M. Polysarcosine-containing copolymers: Synthesis, characterization, self-assembly, and applications. Prog Polym Sci 2018. [DOI: 10.1016/j.progpolymsci.2018.01.002] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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15
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Self-assembly behavior of amphiphilic polyelectrolyte with ultrahigh charge density. Colloid Polym Sci 2018. [DOI: 10.1007/s00396-018-4313-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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16
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Sternhagen GL, Gupta S, Zhang Y, John V, Schneider GJ, Zhang D. Solution Self-Assemblies of Sequence-Defined Ionic Peptoid Block Copolymers. J Am Chem Soc 2018; 140:4100-4109. [PMID: 29506382 DOI: 10.1021/jacs.8b00461] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A series of amphiphilic ionic peptoid block copolymers where the total number (1 or 3) and position of ionic monomers along the polymer chain are precisely controlled have been synthesized by the submonomer method. Upon dissolution in water at pH = 9, the amphiphilic peptoids self-assemble into small spherical micelles having hydrodynamic radius in ∼5-10 nm range and critical micellar concentration (CMC) in the 0.034-0.094 mg/mL range. Small-angle neutron scattering (SANS) analysis of the micellar solutions revealed unprecedented dependence of the micellar structure on the number and position of ionic monomers along the chain. It was found that the micellar aggregation number ( Nagg) and the micellar radius ( Rm) both increase as the ionic monomer is positioned progressively away from the junction of the hydrophilic and hydrophobic segments along the polymer chain. By defining an ionic monomer position number ( n) as the number of monomers between the junction and the ionic monomer, Nagg exhibited a power law dependence on n with an exponent of ∼1/3 and ∼3/10 for the respective singly and triply charged series. By contrast, Rm exhibited a weaker dependence on the ionic monomer position by a power law relationship with an exponent of ∼1/10 and ∼1/20 for the respective singly and triply charged series. Furthermore, Rm was found to scale with Nagg in a power-law relationship with an exponent of 0.32 for the singly charged series, consistent with a weakly charged ionic star-like polymer model in the unscreened regime. This study demonstrated a unique method to precisely tailor the structure of small spherical micelles based on ionic block copolymers by controlling the sequence and position of the ionic monomer.
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Affiliation(s)
- Garrett L Sternhagen
- Department of Chemistry and Macromolecular Studies Group , Louisiana State University , Baton Rouge , Louisiana 70803 , United States
| | - Sudipta Gupta
- Department of Chemistry and Macromolecular Studies Group , Louisiana State University , Baton Rouge , Louisiana 70803 , United States
| | - Yueheng Zhang
- Department of Chemical and Biomolecular Engineering , Tulane University , New Orleans , Louisiana 70118 , United States
| | - Vijay John
- Department of Chemical and Biomolecular Engineering , Tulane University , New Orleans , Louisiana 70118 , United States
| | - Gerald J Schneider
- Department of Chemistry and Macromolecular Studies Group , Louisiana State University , Baton Rouge , Louisiana 70803 , United States.,Department of Physics , Louisiana State University , Baton Rouge , Louisiana 70803 , United States
| | - Donghui Zhang
- Department of Chemistry and Macromolecular Studies Group , Louisiana State University , Baton Rouge , Louisiana 70803 , United States
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17
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Guo XJ, Fan XJ, Qiao B, Ge ZQ. A lipophilic prodrug of Danshensu: preparation, characterization, and in vitro and in vivo evaluation. Chin J Nat Med 2018; 15:355-362. [PMID: 28558871 DOI: 10.1016/s1875-5364(17)30056-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Indexed: 01/17/2023]
Abstract
Danshensu [3-(3, 4-dihydroxyphenyl) lactic acid, DSS], one of the significant cardioprotective components, is extracted from the root of Salvia miltiorrhiza. In the present study, an ester prodrug of Danshensu (DSS), palmitoyl Danshensu (PDSS), was synthesized with the aim to improve its oral bioavailability and prolong its half-life. The in vitro experiments were carried out to evaluate the physicochemical properties and stability of PDSS. Although the solubility of PDSS in water was only 0.055 mg·mL-1, its solubility in FaSSIF and FeSSIF reached 4.68 and 9.08 mg·mL-1, respectively. Octanol-water partition coefficient (log P) was increased from -2.48 of DSS to 1.90 of PDSS. PDSS was relatively stable in the aqueous solution in pH range from 5.6 to 7.4. Furthermore, the pharmacokinetics in rats was evaluated after oral administration of PDSS and DSS. AUC and t1/2 of PDSS were enhanced up to 9.8-fold and 2.2-fold, respectively, compared to that of DSS. Cmax was 1.67 ± 0.11 μg·mL-1 for PDSS and 0.81 ± 0.06 μg·mL-1 for DSS. Thus, these results demonstrated that PDSS had much higher oral bioavailability and longer circulation time than its parent drug.
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Affiliation(s)
- Xue-Jiao Guo
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Education Ministry Key Laboratory of Systems Bioengineering, Tianjin 300072, China
| | - Xue-Jiao Fan
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Education Ministry Key Laboratory of Systems Bioengineering, Tianjin 300072, China
| | - Bin Qiao
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Education Ministry Key Laboratory of Systems Bioengineering, Tianjin 300072, China
| | - Zhi-Qiang Ge
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Education Ministry Key Laboratory of Systems Bioengineering, Tianjin 300072, China.
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18
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Chan BA, Xuan S, Li A, Simpson JM, Sternhagen GL, Yu T, Darvish OA, Jiang N, Zhang D. Polypeptoid polymers: Synthesis, characterization, and properties. Biopolymers 2017; 109. [DOI: 10.1002/bip.23070] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 09/13/2017] [Accepted: 09/20/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Brandon A. Chan
- Department of Chemistry and Macromolecular Studies GroupLouisiana State UniversityBaton Rouge70803Los Angeles
| | - Sunting Xuan
- Department of Chemistry and Macromolecular Studies GroupLouisiana State UniversityBaton Rouge70803Los Angeles
| | - Ang Li
- Department of Chemistry and Macromolecular Studies GroupLouisiana State UniversityBaton Rouge70803Los Angeles
| | - Jessica M. Simpson
- Department of Chemistry and Macromolecular Studies GroupLouisiana State UniversityBaton Rouge70803Los Angeles
| | - Garrett L. Sternhagen
- Department of Chemistry and Macromolecular Studies GroupLouisiana State UniversityBaton Rouge70803Los Angeles
| | - Tianyi Yu
- Department of Chemistry and Macromolecular Studies GroupLouisiana State UniversityBaton Rouge70803Los Angeles
| | - Omead A. Darvish
- Department of Chemistry and Macromolecular Studies GroupLouisiana State UniversityBaton Rouge70803Los Angeles
| | - Naisheng Jiang
- Department of Chemistry and Macromolecular Studies GroupLouisiana State UniversityBaton Rouge70803Los Angeles
| | - Donghui Zhang
- Department of Chemistry and Macromolecular Studies GroupLouisiana State UniversityBaton Rouge70803Los Angeles
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19
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Weber B, Kappel C, Scherer M, Helm M, Bros M, Grabbe S, Barz M. PeptoSomes for Vaccination: Combining Antigen and Adjuvant in Polypept(o)ide-Based Polymersomes. Macromol Biosci 2017; 17. [PMID: 28759159 DOI: 10.1002/mabi.201700061] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 06/25/2017] [Indexed: 12/23/2022]
Abstract
In this work, the first vaccine is reported based on a PeptoSome, which contains a model antigen (SIINFEKL) and adjuvant (CpG). PeptoSomes are polypept(o)ide-based polymersomes built of a block-copolymer with polysarcosine (PSar) as the hydrophilic block (X n = 111) and poly(benzyl-glutamic acid) (PGlu(OBn)) as the hydrophobic one (X n = 46). The polypept(o)ide is obtained with low dispersity index of 1.32 by controlled ring-opening polymerization. Vesicle formation by dual centrifugation technique allows for loading of vesicles up to 40 mol%. PeptoSomes are characterized by multiangle dynamic light scattering, static light scattering, and cryogenic transmission electron microscopy (cryoTEM). The PeptoSomes have a hydrodynamic radius of 39.2 nm with a low dispersity (µ 2 = 0.1). The ρ-ratio R g /R h of 0.95 already indicates that vesicles are formed, which can be confirmed by cryoTEM. Loaded PeptoSomes deliver the antigen (SIINFEKL) and an adjuvant (CpG) simultaneously into dendritic cells (DCs). Upon cellular uptake, dendritic cells are stimulated and activated, which leads to expression of cluster of differentiation CD80, CD86, and MHCII, but induces excretion of proinflammatory cytokines (e.g., TNFα). Furthermore, DC-mediated antigen-specific T-cell proliferation is achieved, thus underlining the enormous potential of PeptoSomes as a versatile platform for vaccination.
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Affiliation(s)
- Benjamin Weber
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Cinja Kappel
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz, Obere Zahlbacher Straße 63, 55131, Mainz, Germany
| | - Martin Scherer
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Mark Helm
- Department of Pharmacy and Biochemistry, Johannes Gutenberg-Universität Mainz, Staudinger Weg 5, 55128, Mainz, Germany
| | - Matthias Bros
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz, Obere Zahlbacher Straße 63, 55131, Mainz, Germany
| | - Stephan Grabbe
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz, Obere Zahlbacher Straße 63, 55131, Mainz, Germany
| | - Matthias Barz
- Institute of Organic Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
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20
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Tao X, Zheng B, Bai T, Zhu B, Ling J. Hydroxyl Group Tolerated Polymerization of N-Substituted Glycine N-Thiocarboxyanhydride Mediated by Aminoalcohols: A Simple Way to α-Hydroxyl-ω-aminotelechelic Polypeptoids. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b00309] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Xinfeng Tao
- MOE Key Laboratory of Macromolecular
Synthesis and Functionalization, Department of Polymer Science and
Engineering, Zhejiang University, Hangzhou 310027, China
| | - Botuo Zheng
- MOE Key Laboratory of Macromolecular
Synthesis and Functionalization, Department of Polymer Science and
Engineering, Zhejiang University, Hangzhou 310027, China
| | - Tianwen Bai
- MOE Key Laboratory of Macromolecular
Synthesis and Functionalization, Department of Polymer Science and
Engineering, Zhejiang University, Hangzhou 310027, China
| | - Baoku Zhu
- MOE Key Laboratory of Macromolecular
Synthesis and Functionalization, Department of Polymer Science and
Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jun Ling
- MOE Key Laboratory of Macromolecular
Synthesis and Functionalization, Department of Polymer Science and
Engineering, Zhejiang University, Hangzhou 310027, China
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21
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Thermo-induced multistep assembly of double-hydrophilic block copolypeptoids in water. Colloid Polym Sci 2017. [DOI: 10.1007/s00396-017-4044-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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22
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Xuan S, Gupta S, Li X, Bleuel M, Schneider GJ, Zhang D. Synthesis and Characterization of Well-Defined PEGylated Polypeptoids as Protein-Resistant Polymers. Biomacromolecules 2017; 18:951-964. [DOI: 10.1021/acs.biomac.6b01824] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
| | | | | | - Markus Bleuel
- NIST
Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
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23
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Pan X, Liu Y, Li Z, Cui S, Gebru H, Xu J, Xu S, Liu J, Guo K. Amphiphilic Polyoxazoline-block
-Polypeptoid Copolymers by Sequential One-Pot Ring-Opening Polymerizations. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201600483] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Xianfu Pan
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South Nanjing 211816 China
| | - Yaya Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South Nanjing 211816 China
| | - Zhenjiang Li
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South Nanjing 211816 China
| | - Saide Cui
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South Nanjing 211816 China
| | - Hailemariam Gebru
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South Nanjing 211816 China
| | - Jiaxi Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South Nanjing 211816 China
| | - Songquan Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South Nanjing 211816 China
| | - Jiaqi Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South Nanjing 211816 China
| | - Kai Guo
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South Nanjing 211816 China
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24
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Tao X, Zheng B, Kricheldorf HR, Ling J. AreN-substituted glycineN-thiocarboxyanhydride monomers really hard to polymerize? ACTA ACUST UNITED AC 2016. [DOI: 10.1002/pola.28402] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Xinfeng Tao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering; Zhejiang University; Hangzhou 310027 China
| | - Botuo Zheng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering; Zhejiang University; Hangzhou 310027 China
| | - Hans R. Kricheldorf
- Institut für Technische und Makromolekulare Chemie; Bundestrase 45 Hamburg D-20146 Germany
| | - Jun Ling
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering; Zhejiang University; Hangzhou 310027 China
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25
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Fetsch C, Gaitzsch J, Messager L, Battaglia G, Luxenhofer R. Self-Assembly of Amphiphilic Block Copolypeptoids - Micelles, Worms and Polymersomes. Sci Rep 2016; 6:33491. [PMID: 27666081 PMCID: PMC5036089 DOI: 10.1038/srep33491] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 08/23/2016] [Indexed: 02/01/2023] Open
Abstract
Polypeptoids are an old but recently rediscovered polymer class with interesting synthetic, physico-chemical and biological characteristics. Here, we introduce new aromatic monomers, N-benzyl glycine N-carboxyanhydride and N-phenethyl glycine N-carboxyanhydride and their block copolymers with the hydrophilic polysarcosine. We compare their self-assembly in water and aqueous buffer with the self-assembly of amphiphilic block copolypeptoids with aliphatic side chains. The aggregates in water were investigated by dynamic light scattering and electron microscopy. We found a variety of morphologies, which were influenced by the polymer structure as well as by the preparation method. Overall, we found polymersomes, worm-like micelles and oligo-lamellar morphologies as well as some less defined aggregates of interconnected worms and vesicles. Such, this contribution may serve as a starting point for a more detailed investigation of the self-assembly behavior of the rich class of polypeptoids and for a better understanding between the differences in the aggregation behavior of non-uniform polypeptoids and uniform peptoids.
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Affiliation(s)
- Corinna Fetsch
- Functional Polymer Materials, Chair for Chemical Technology of Materials Synthesis, University Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Jens Gaitzsch
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, United Kingdom
- Department of Chemistry, University of Basel, Klingelbergstrasse 80, 4056 Basel, Basel-Stadt, Switzerland
| | - Lea Messager
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, United Kingdom
| | - Giuseppe Battaglia
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, United Kingdom
| | - Robert Luxenhofer
- Functional Polymer Materials, Chair for Chemical Technology of Materials Synthesis, University Würzburg, Röntgenring 11, 97070 Würzburg, Germany
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26
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Li A, Zhang D. Synthesis and Characterization of Cleavable Core-Cross-Linked Micelles Based on Amphiphilic Block Copolypeptoids as Smart Drug Carriers. Biomacromolecules 2016; 17:852-61. [PMID: 26866458 DOI: 10.1021/acs.biomac.5b01561] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Amphiphilic block copolypeptoids consisting of a hydrophilic poly(N-ethyl glycine) segment and a hydrophobic poly[(N-propargyl glycine)-r-(N-decyl glycine)] random copolymer segment [PNEG-b-P(NPgG-r-NDG), EPgD] have been synthesized by sequential primary amine-initiated ring-opening polymerization (ROP) of the corresponding N-alkyl N-carboxyanhydride monomers. The block copolypeptoids form micelles in water and the micellar core can be cross-linked with a disulfide-containing diazide cross-linker by copper-mediated alkyne-azide cycloaddition (CuAAC) in aqueous solution. Transmission electron microscopy (TEM) and dynamic light scattering (DLS) analysis revealed the formation of spherical micelles with uniform size for both the core-cross-linked micelles (CCLMs) and non-cross-linked micelles (NCLMs) precursors for selective block copolypeptoid polymers. The CCLMs exhibited increased dimensional stability relative to the NCLMs in DMF, a nonselective solvent for the core and corona segments. Micellar dissociation of CCLMs can be induced upon addition of a reducing agent (e.g., dithiothreitol) in dilute aqueous solutions, as verified by a combination of fluorescence spectroscopy, size exclusion chromatography (SEC), and (1)H NMR spectroscopic measurement. Doxorubicin (DOX), an anticancer drug, can be loaded into the hydrophobic core of CCLMs with a maximal 23% drug loading capacity (DLC) and 37% drug loading efficiency (DLE). In vitro DOX release from the CCLMs can be triggered by DTT (10 mM), in contrast to significantly reduced DOX release in the absence of DTT, attesting to the reductively responsive characteristic of the CCLMs. While the CCLMs exhibited minimal cytotoxicity toward HepG2 cancer cells, DOX-loaded CCLMs inhibited the proliferation of the HepG2 cancer cells in a concentration and time dependent manner, suggesting the controlled release of DOX from the DOX-loaded CCLMS in the cellular environment.
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Affiliation(s)
- Ang Li
- Department of Chemistry and Macromolecular Studies Group, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Donghui Zhang
- Department of Chemistry and Macromolecular Studies Group, Louisiana State University , Baton Rouge, Louisiana 70803, United States
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27
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Xuan S, Lee CU, Chen C, Doyle AB, Zhang Y, Guo L, John VT, Hayes D, Zhang D. Thermoreversible and Injectable ABC Polypeptoid Hydrogels: Controlling the Hydrogel Properties through Molecular Design. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2016; 28:727-737. [PMID: 27458325 PMCID: PMC4957709 DOI: 10.1021/acs.chemmater.5b03528] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
A series of ABC triblock copolypeptoids [i.e., poly(N-allyl glycine)-b-poly(N-methyl glycine)-b-poly(N-decyl glycine) (AMD)] with well-defined structure and varying composition have been synthesized by sequential primary amine-initiated ring-opening polymerization of the corresponding N-substituted N-carboxyanhydride monomers (Al-NCA, Me-NCA, and De-NCA). The ABC block copolypeptoids undergo sol-to-gel transitions with increasing temperature in water and biological media at low concentrations (2.5-10 wt %). The sol-gel transition is rapid and fully reversible with a narrow transition window, evidenced by the rheological measurements. The gelation temperature (Tgel) and mechanical stiffness of the hydrogels are highly tunable: Tgel in the 26.2-60.0 °C range, the storage modulus (G') and Young's modulus (E) in the 0.2-780 Pa and 0.5-2346 Pa range, respectively, at the physiological temperature (37 °C) can be readily accessed by controlling the block copolypeptoid composition and the polymer solution concentration. The hydrogel is injectable through a 24 gauge syringe needle and maintains their shape upon in contact with surfaces or water baths that are kept above the sol-gel transition temperature. The hydrogels exhibit minimal cytotoxicity toward human adipose derived stem cells (hASCs), evidenced from both alamarBlue and PicoGreen assays. Furthermore, quantitative PCR analysis revealed significant up-regulation of the Col2a1 gene and down-regulation of ANGPT1 gene, suggesting that the hydrogel exhibit biological activity in inducing chondrogenesis of hASCs. It was also demonstrated that the hydrogel can be used to quantitatively encapsulate water-soluble enzymes (e.g., horseradish peroxidase) by manipulating the sol-gel transition. The enzymatic activity of HRP remain unperturbed after encapsulation at 37 °C for up to 7 d, suggesting that the hydrogel does not adversely affect the enzyme structure and thereby the enzymatic activity. These results suggest that the polypeptoid hydrogel a promising synthetic platform for tissue engineering or protein storage applications.
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Affiliation(s)
- Sunting Xuan
- Department of Chemistry and Macromolecular Studies Group, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Chang-Uk Lee
- Department of Chemistry and Macromolecular Studies Group, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Cong Chen
- Department of Biological and Agricultural Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Andrew B. Doyle
- Department of Biological and Agricultural Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Yueheng Zhang
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, United States
| | - Li Guo
- Department of Chemistry and Macromolecular Studies Group, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Vijay T. John
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, United States
| | - Daniel Hayes
- Department of Biological and Agricultural Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Donghui Zhang
- Department of Chemistry and Macromolecular Studies Group, Louisiana State University, Baton Rouge, Louisiana 70803, United States
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28
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Secker C, Völkel A, Tiersch B, Koetz J, Schlaad H. Thermo-Induced Aggregation and Crystallization of Block Copolypeptoids in Water. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b02481] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Christian Secker
- Department
of Colloid Chemistry, Max Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam, Germany
| | - Antje Völkel
- Department
of Colloid Chemistry, Max Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam, Germany
| | - Brigitte Tiersch
- Institute
of Chemistry, University of Potsdam, Karl-Liebknecht-Straße 24-25, 14476 Potsdam, Germany
| | - Joachim Koetz
- Institute
of Chemistry, University of Potsdam, Karl-Liebknecht-Straße 24-25, 14476 Potsdam, Germany
| | - Helmut Schlaad
- Institute
of Chemistry, University of Potsdam, Karl-Liebknecht-Straße 24-25, 14476 Potsdam, Germany
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29
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Gangloff N, Ulbricht J, Lorson T, Schlaad H, Luxenhofer R. Peptoids and Polypeptoids at the Frontier of Supra- and Macromolecular Engineering. Chem Rev 2015; 116:1753-802. [DOI: 10.1021/acs.chemrev.5b00201] [Citation(s) in RCA: 190] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Niklas Gangloff
- Functional Polymer
Materials, Chair for Chemical Technology of Materials Synthesis, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Juliane Ulbricht
- Functional Polymer
Materials, Chair for Chemical Technology of Materials Synthesis, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Thomas Lorson
- Functional Polymer
Materials, Chair for Chemical Technology of Materials Synthesis, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
| | - Helmut Schlaad
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany
| | - Robert Luxenhofer
- Functional Polymer
Materials, Chair for Chemical Technology of Materials Synthesis, University of Würzburg, Röntgenring 11, 97070 Würzburg, Germany
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30
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Gaitzsch J, Karu K, Battaglia G. Peptoidosomes as nanoparticles from amphiphilic block alpha-peptoids using solid-phase-synthesis. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.10.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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31
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Schneider M, Tang Z, Richter M, Marschelke C, Förster P, Wegener E, Amin I, Zimmermann H, Scharnweber D, Braun HG, Luxenhofer R, Jordan R. Patterned Polypeptoid Brushes. Macromol Biosci 2015; 16:75-81. [DOI: 10.1002/mabi.201500314] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 09/09/2015] [Indexed: 12/12/2022]
Affiliation(s)
- Maximilian Schneider
- Chair of Macromolecular Chemistry; Department of Chemistry and Food Chemistry; School of Science; TU Dresden Mommsenstr. 4 01069 Dresden Germany
| | - Zian Tang
- Chair of Macromolecular Chemistry; Department of Chemistry and Food Chemistry; School of Science; TU Dresden Mommsenstr. 4 01069 Dresden Germany
| | - Marcus Richter
- Chair of Macromolecular Chemistry; Department of Chemistry and Food Chemistry; School of Science; TU Dresden Mommsenstr. 4 01069 Dresden Germany
| | - Claudia Marschelke
- Chair of Macromolecular Chemistry; Department of Chemistry and Food Chemistry; School of Science; TU Dresden Mommsenstr. 4 01069 Dresden Germany
| | - Paul Förster
- Chair of Macromolecular Chemistry; Department of Chemistry and Food Chemistry; School of Science; TU Dresden Mommsenstr. 4 01069 Dresden Germany
| | - Erik Wegener
- Chair of Macromolecular Chemistry; Department of Chemistry and Food Chemistry; School of Science; TU Dresden Mommsenstr. 4 01069 Dresden Germany
| | - Ihsan Amin
- Chair of Macromolecular Chemistry; Department of Chemistry and Food Chemistry; School of Science; TU Dresden Mommsenstr. 4 01069 Dresden Germany
| | - Heike Zimmermann
- Max-Bergmann Center of Biomaterials Dresden; Budapester Str. 27 01069 Dresden Germany
| | - Dieter Scharnweber
- Max-Bergmann Center of Biomaterials Dresden; Budapester Str. 27 01069 Dresden Germany
| | - Hans-Georg Braun
- Max-Bergmann Center of Biomaterials Dresden; Budapester Str. 27 01069 Dresden Germany
| | - Robert Luxenhofer
- Functional Polymer Materials, Chair for Chemical Technology of Materials Synthesis; University Würzburg; Röntgenring 11 97070 Würzburg Germany
| | - Rainer Jordan
- Chair of Macromolecular Chemistry; Department of Chemistry and Food Chemistry; School of Science; TU Dresden Mommsenstr. 4 01069 Dresden Germany
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32
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Secker C, Brosnan SM, Luxenhofer R, Schlaad H. Poly(α-Peptoid)s Revisited: Synthesis, Properties, and Use as Biomaterial. Macromol Biosci 2015; 15:881-91. [DOI: 10.1002/mabi.201500023] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Revised: 03/19/2015] [Indexed: 12/17/2022]
Affiliation(s)
- Christian Secker
- Department of Colloid Chemistry; Max Planck Institute of Colloids and Interfaces; Research Campus Golm 14424 Potsdam Germany
| | - Sarah M. Brosnan
- Department of Colloid Chemistry; Max Planck Institute of Colloids and Interfaces; Research Campus Golm 14424 Potsdam Germany
| | - Robert Luxenhofer
- Department of Chemistry and Pharmacy; Chair of Chemical Technology of Materials Synthesis; University of Würzburg; Röntgenring 11 97070 Würzburg Germany
| | - Helmut Schlaad
- Institute of Chemistry; University of Potsdam; Karl-Liebknecht-Str. 24-25 14476 Potsdam Germany
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33
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Tao X, Du J, Wang Y, Ling J. Polypeptoids with tunable cloud point temperatures synthesized from N-substituted glycine N-thiocarboxyanhydrides. Polym Chem 2015. [DOI: 10.1039/c5py00191a] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Poly(sarcosine-r-N-butylglycine) random copolymers with various MWs and compositions are synthesized from NTA monomers, which exhibit tunable Tcps in aqueous solutions.
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Affiliation(s)
- Xinfeng Tao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Jianwei Du
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Youxiang Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Jun Ling
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
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34
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Wu W, Cui S, Li Z, Liu J, Wang H, Wang X, Zhang Q, Wu H, Guo K. Mild Brønsted acid initiated controlled polymerizations of 2-oxazoline towards one-pot synthesis of novel double-hydrophilic poly(2-ethyl-2-oxazoline)-block-poly(sarcosine). Polym Chem 2015. [DOI: 10.1039/c5py00256g] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Mild Brønsted acid initiator in polymerizations of 2-oxazoline was firstly reported as a workable protocol in the ROPs and BCPs.
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Affiliation(s)
- Wenzhuo Wu
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Saide Cui
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Zhenjiang Li
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Jingjing Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Huiying Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Xin Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Qiguo Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Hao Wu
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| | - Kai Guo
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- China
| |
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