Structural reorganization of cylindrical nanoparticles triggered by polylactide stereocomplexation
Co-crystallization of polymers with different configurations/tacticities provides access to materials with enhanced performance. The stereocomplexation of isotactic poly( L -lactide) and poly( D -lactide) has led to improved properties compared with each homochiral material. Herein, we report the pr...
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| Veröffentlicht in: | Nature communications 2014-12, Vol.5 (1), p.5746, Article 5746 |
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| creator | Sun, Liang Pitto-Barry, Anaïs Kirby, Nigel Schiller, Tara L. Sanchez, Ana M. Dyson, M. Adam Sloan, Jeremy Wilson, Neil R. O’Reilly, Rachel K. Dove, Andrew P. |
| description | Co-crystallization of polymers with different configurations/tacticities provides access to materials with enhanced performance. The stereocomplexation of isotactic poly(
L
-lactide) and poly(
D
-lactide) has led to improved properties compared with each homochiral material. Herein, we report the preparation of stereocomplex micelles from a mixture of poly(
L
-lactide)-
b
-poly(acrylic acid) and poly(
D
-lactide)-
b
-poly(acrylic acid) diblock copolymers in water
via
crystallization-driven self-assembly. During the formation of these stereocomplex micelles, an unexpected morphological transition results in the formation of dense crystalline spherical micelles rather than cylinders. Furthermore, mixture of cylinders with opposite homochirality in either THF/H
2
O mixtures or in pure water at 65 °C leads to disassembly into stereocomplexed spherical micelles. Similarly, a transition is also observed in a related PEO-
b
-PLLA/PEO-
b
-PDLA system, demonstrating wider applicability. This new mechanism for morphological reorganization, through competitive crystallization and stereocomplexation and without the requirement for an external stimulus, allows for new opportunities in controlled release and delivery applications.
A polymer stereocomplex can possess quite different properties to its constituent homopolymers. Here, the authors prepare stereocomplex micelles of amphiphilic block-copolymers via crystallization-driven self-assembly, and observe a change from cylindrical to mixed spherical micelle morphology. |
| doi_str_mv | 10.1038/ncomms6746 |
| format | Article |
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L
-lactide) and poly(
D
-lactide) has led to improved properties compared with each homochiral material. Herein, we report the preparation of stereocomplex micelles from a mixture of poly(
L
-lactide)-
b
-poly(acrylic acid) and poly(
D
-lactide)-
b
-poly(acrylic acid) diblock copolymers in water
via
crystallization-driven self-assembly. During the formation of these stereocomplex micelles, an unexpected morphological transition results in the formation of dense crystalline spherical micelles rather than cylinders. Furthermore, mixture of cylinders with opposite homochirality in either THF/H
2
O mixtures or in pure water at 65 °C leads to disassembly into stereocomplexed spherical micelles. Similarly, a transition is also observed in a related PEO-
b
-PLLA/PEO-
b
-PDLA system, demonstrating wider applicability. This new mechanism for morphological reorganization, through competitive crystallization and stereocomplexation and without the requirement for an external stimulus, allows for new opportunities in controlled release and delivery applications.
A polymer stereocomplex can possess quite different properties to its constituent homopolymers. Here, the authors prepare stereocomplex micelles of amphiphilic block-copolymers via crystallization-driven self-assembly, and observe a change from cylindrical to mixed spherical micelle morphology.</description><identifier>ISSN: 2041-1723</identifier><identifier>EISSN: 2041-1723</identifier><identifier>DOI: 10.1038/ncomms6746</identifier><identifier>PMID: 25517544</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>140/131 ; 639/301/54/990 ; 639/925/352 ; Biocompatible Materials - chemistry ; Crystallization ; Delayed-Action Preparations ; Furans - chemistry ; Humanities and Social Sciences ; Micelles ; Microscopy, Electron, Transmission ; multidisciplinary ; Nanoparticles - chemistry ; Nanoparticles - ultrastructure ; Polyesters - chemistry ; Science ; Science (multidisciplinary) ; Stereoisomerism ; Temperature ; Water - chemistry</subject><ispartof>Nature communications, 2014-12, Vol.5 (1), p.5746, Article 5746</ispartof><rights>The Author(s) 2014</rights><rights>Copyright Nature Publishing Group Dec 2014</rights><rights>Copyright © 2014, Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved. 2014 Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c475t-4238738f614948873185e41916b661ecf12da54b3b109226a1fc7150f2599c373</citedby><cites>FETCH-LOGICAL-c475t-4238738f614948873185e41916b661ecf12da54b3b109226a1fc7150f2599c373</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4281646/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4281646/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27915,27916,41111,42180,51567,53782,53784</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25517544$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Sun, Liang</creatorcontrib><creatorcontrib>Pitto-Barry, Anaïs</creatorcontrib><creatorcontrib>Kirby, Nigel</creatorcontrib><creatorcontrib>Schiller, Tara L.</creatorcontrib><creatorcontrib>Sanchez, Ana M.</creatorcontrib><creatorcontrib>Dyson, M. Adam</creatorcontrib><creatorcontrib>Sloan, Jeremy</creatorcontrib><creatorcontrib>Wilson, Neil R.</creatorcontrib><creatorcontrib>O’Reilly, Rachel K.</creatorcontrib><creatorcontrib>Dove, Andrew P.</creatorcontrib><title>Structural reorganization of cylindrical nanoparticles triggered by polylactide stereocomplexation</title><title>Nature communications</title><addtitle>Nat Commun</addtitle><addtitle>Nat Commun</addtitle><description>Co-crystallization of polymers with different configurations/tacticities provides access to materials with enhanced performance. The stereocomplexation of isotactic poly(
L
-lactide) and poly(
D
-lactide) has led to improved properties compared with each homochiral material. Herein, we report the preparation of stereocomplex micelles from a mixture of poly(
L
-lactide)-
b
-poly(acrylic acid) and poly(
D
-lactide)-
b
-poly(acrylic acid) diblock copolymers in water
via
crystallization-driven self-assembly. During the formation of these stereocomplex micelles, an unexpected morphological transition results in the formation of dense crystalline spherical micelles rather than cylinders. Furthermore, mixture of cylinders with opposite homochirality in either THF/H
2
O mixtures or in pure water at 65 °C leads to disassembly into stereocomplexed spherical micelles. Similarly, a transition is also observed in a related PEO-
b
-PLLA/PEO-
b
-PDLA system, demonstrating wider applicability. This new mechanism for morphological reorganization, through competitive crystallization and stereocomplexation and without the requirement for an external stimulus, allows for new opportunities in controlled release and delivery applications.
A polymer stereocomplex can possess quite different properties to its constituent homopolymers. Here, the authors prepare stereocomplex micelles of amphiphilic block-copolymers via crystallization-driven self-assembly, and observe a change from cylindrical to mixed spherical micelle morphology.</description><subject>140/131</subject><subject>639/301/54/990</subject><subject>639/925/352</subject><subject>Biocompatible Materials - chemistry</subject><subject>Crystallization</subject><subject>Delayed-Action Preparations</subject><subject>Furans - chemistry</subject><subject>Humanities and Social Sciences</subject><subject>Micelles</subject><subject>Microscopy, Electron, Transmission</subject><subject>multidisciplinary</subject><subject>Nanoparticles - chemistry</subject><subject>Nanoparticles - ultrastructure</subject><subject>Polyesters - chemistry</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>Stereoisomerism</subject><subject>Temperature</subject><subject>Water - chemistry</subject><issn>2041-1723</issn><issn>2041-1723</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNplUUtLxDAYDKLosnrxB0jBm7LaL6-2F0EWXyB4UM8hTdM1SzepSSquv97o-lgxl3x8M8xMMgjtQ34COSlPrXKLReAF5RtohHMKEygw2Vybd9BeCPM8HVJBSek22sGMQcEoHaH6PvpBxcHLLvPa-Zm05k1G42zm2kwtO2Mbb1RCrbSulz4a1emQRW9mM-11k9XLrHfdspMqmkZnIaatS6H6Tr9-Cu2irVZ2Qe993WP0eHnxML2e3N5d3UzPbyeKFixOKCZlQcqWA61omUYomaZQAa85B61awI1ktCY15BXGXEKrCmB5i1lVKVKQMTpb6fZDvdCN0jamV4nem4X0S-GkEX8Ra57EzL0IikvglCeBwy8B754HHaKYu8HblFkAJ7xiNPkm1tGKpbwLwev2xwFy8VGJ-K0kkQ_WM_1QvwtIhOMVISTIph9d8_wv9w6zN5ku</recordid><startdate>20141217</startdate><enddate>20141217</enddate><creator>Sun, Liang</creator><creator>Pitto-Barry, Anaïs</creator><creator>Kirby, Nigel</creator><creator>Schiller, Tara L.</creator><creator>Sanchez, Ana M.</creator><creator>Dyson, M. 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Adam ; Sloan, Jeremy ; Wilson, Neil R. ; O’Reilly, Rachel K. ; Dove, Andrew P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c475t-4238738f614948873185e41916b661ecf12da54b3b109226a1fc7150f2599c373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>140/131</topic><topic>639/301/54/990</topic><topic>639/925/352</topic><topic>Biocompatible Materials - chemistry</topic><topic>Crystallization</topic><topic>Delayed-Action Preparations</topic><topic>Furans - chemistry</topic><topic>Humanities and Social Sciences</topic><topic>Micelles</topic><topic>Microscopy, Electron, Transmission</topic><topic>multidisciplinary</topic><topic>Nanoparticles - chemistry</topic><topic>Nanoparticles - ultrastructure</topic><topic>Polyesters - chemistry</topic><topic>Science</topic><topic>Science (multidisciplinary)</topic><topic>Stereoisomerism</topic><topic>Temperature</topic><topic>Water - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sun, Liang</creatorcontrib><creatorcontrib>Pitto-Barry, Anaïs</creatorcontrib><creatorcontrib>Kirby, Nigel</creatorcontrib><creatorcontrib>Schiller, Tara L.</creatorcontrib><creatorcontrib>Sanchez, Ana M.</creatorcontrib><creatorcontrib>Dyson, M. 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Adam</au><au>Sloan, Jeremy</au><au>Wilson, Neil R.</au><au>O’Reilly, Rachel K.</au><au>Dove, Andrew P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural reorganization of cylindrical nanoparticles triggered by polylactide stereocomplexation</atitle><jtitle>Nature communications</jtitle><stitle>Nat Commun</stitle><addtitle>Nat Commun</addtitle><date>2014-12-17</date><risdate>2014</risdate><volume>5</volume><issue>1</issue><spage>5746</spage><pages>5746-</pages><artnum>5746</artnum><issn>2041-1723</issn><eissn>2041-1723</eissn><abstract>Co-crystallization of polymers with different configurations/tacticities provides access to materials with enhanced performance. The stereocomplexation of isotactic poly(
L
-lactide) and poly(
D
-lactide) has led to improved properties compared with each homochiral material. Herein, we report the preparation of stereocomplex micelles from a mixture of poly(
L
-lactide)-
b
-poly(acrylic acid) and poly(
D
-lactide)-
b
-poly(acrylic acid) diblock copolymers in water
via
crystallization-driven self-assembly. During the formation of these stereocomplex micelles, an unexpected morphological transition results in the formation of dense crystalline spherical micelles rather than cylinders. Furthermore, mixture of cylinders with opposite homochirality in either THF/H
2
O mixtures or in pure water at 65 °C leads to disassembly into stereocomplexed spherical micelles. Similarly, a transition is also observed in a related PEO-
b
-PLLA/PEO-
b
-PDLA system, demonstrating wider applicability. This new mechanism for morphological reorganization, through competitive crystallization and stereocomplexation and without the requirement for an external stimulus, allows for new opportunities in controlled release and delivery applications.
A polymer stereocomplex can possess quite different properties to its constituent homopolymers. Here, the authors prepare stereocomplex micelles of amphiphilic block-copolymers via crystallization-driven self-assembly, and observe a change from cylindrical to mixed spherical micelle morphology.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>25517544</pmid><doi>10.1038/ncomms6746</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Nature communications, 2014-12, Vol.5 (1), p.5746, Article 5746 |
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| language | eng |
| recordid | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_4281646 |
| source | SpringerOpen; MEDLINE; Nature Free; PubMed Central; Alma/SFX Local Collection; EZB Electronic Journals Library |
| subjects | 140/131 639/301/54/990 639/925/352 Biocompatible Materials - chemistry Crystallization Delayed-Action Preparations Furans - chemistry Humanities and Social Sciences Micelles Microscopy, Electron, Transmission multidisciplinary Nanoparticles - chemistry Nanoparticles - ultrastructure Polyesters - chemistry Science Science (multidisciplinary) Stereoisomerism Temperature Water - chemistry |
| title | Structural reorganization of cylindrical nanoparticles triggered by polylactide stereocomplexation |
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