Direct Observation of Chain Lengths and Conformations in Oligofluorene Distributions from Controlled Polymerization by Double Electron-Electron Resonance.
Identifieur interne : 000302 ( PubMed/Corpus ); précédent : 000301; suivant : 000303Direct Observation of Chain Lengths and Conformations in Oligofluorene Distributions from Controlled Polymerization by Double Electron-Electron Resonance.
Auteurs : Dennis Bücker ; Annika Sickinger ; Julian D. Ruiz Perez ; Manuel Oestringer ; Stefan Mecking ; Malte DrescherSource :
- Journal of the American Chemical Society [ 1520-5126 ] ; 2020.
Abstract
Synthetic polymers are mixtures of chains with different lengths, and their chain length and chain conformation are often experimentally characterized by ensemble averages. We demonstrate that double electron-electron resonance (DEER) spectroscopy can reveal the chain length distribution and the chain conformation and flexibility of the individual n-mers in oligo-(9,9-dioctylfluorene) from controlled Suzuki-Miyaura coupling polymerization. The required spin-labeled chain ends were introduced efficiently via a TEMPO-substituted initiator and chain-terminating agent, respectively, with an in situ catalyst system. Individual precise chain length oligomers as reference materials were obtained by a stepwise approach. Chain length distribution, chain conformation, and flexibility can also be accessed within poly(fluorene) nanoparticles.
DOI: 10.1021/jacs.9b11404
PubMed: 31891263
Links to Exploration step
pubmed:31891263Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Direct Observation of Chain Lengths and Conformations in Oligofluorene Distributions from Controlled Polymerization by Double Electron-Electron Resonance.</title><author><name sortKey="Bucker, Dennis" sort="Bucker, Dennis" uniqKey="Bucker D" first="Dennis" last="Bücker">Dennis Bücker</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Sickinger, Annika" sort="Sickinger, Annika" uniqKey="Sickinger A" first="Annika" last="Sickinger">Annika Sickinger</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Ruiz Perez, Julian D" sort="Ruiz Perez, Julian D" uniqKey="Ruiz Perez J" first="Julian D" last="Ruiz Perez">Julian D. Ruiz Perez</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Oestringer, Manuel" sort="Oestringer, Manuel" uniqKey="Oestringer M" first="Manuel" last="Oestringer">Manuel Oestringer</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Mecking, Stefan" sort="Mecking, Stefan" uniqKey="Mecking S" first="Stefan" last="Mecking">Stefan Mecking</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Drescher, Malte" sort="Drescher, Malte" uniqKey="Drescher M" first="Malte" last="Drescher">Malte Drescher</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2020">2020</date><idno type="RBID">pubmed:31891263</idno><idno type="pmid">31891263</idno><idno type="doi">10.1021/jacs.9b11404</idno><idno type="wicri:Area/PubMed/Corpus">000302</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000302</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Direct Observation of Chain Lengths and Conformations in Oligofluorene Distributions from Controlled Polymerization by Double Electron-Electron Resonance.</title><author><name sortKey="Bucker, Dennis" sort="Bucker, Dennis" uniqKey="Bucker D" first="Dennis" last="Bücker">Dennis Bücker</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Sickinger, Annika" sort="Sickinger, Annika" uniqKey="Sickinger A" first="Annika" last="Sickinger">Annika Sickinger</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Ruiz Perez, Julian D" sort="Ruiz Perez, Julian D" uniqKey="Ruiz Perez J" first="Julian D" last="Ruiz Perez">Julian D. Ruiz Perez</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Oestringer, Manuel" sort="Oestringer, Manuel" uniqKey="Oestringer M" first="Manuel" last="Oestringer">Manuel Oestringer</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Mecking, Stefan" sort="Mecking, Stefan" uniqKey="Mecking S" first="Stefan" last="Mecking">Stefan Mecking</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Drescher, Malte" sort="Drescher, Malte" uniqKey="Drescher M" first="Malte" last="Drescher">Malte Drescher</name><affiliation><nlm:affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Journal of the American Chemical Society</title><idno type="eISSN">1520-5126</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Synthetic polymers are mixtures of chains with different lengths, and their chain length and chain conformation are often experimentally characterized by ensemble averages. We demonstrate that double electron-electron resonance (DEER) spectroscopy can reveal the chain length distribution and the chain conformation and flexibility of the individual <i>n</i>-mers in oligo-(9,9-dioctylfluorene) from controlled Suzuki-Miyaura coupling polymerization. The required spin-labeled chain ends were introduced efficiently via a TEMPO-substituted initiator and chain-terminating agent, respectively, with an in situ catalyst system. Individual precise chain length oligomers as reference materials were obtained by a stepwise approach. Chain length distribution, chain conformation, and flexibility can also be accessed within poly(fluorene) nanoparticles.</div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">31891263</PMID><DateRevised><Year>2020</Year><Month>03</Month><Day>06</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1520-5126</ISSN><JournalIssue CitedMedium="Internet"><Volume>142</Volume><Issue>4</Issue><PubDate><Year>2020</Year><Month>Jan</Month><Day>29</Day></PubDate></JournalIssue><Title>Journal of the American Chemical Society</Title><ISOAbbreviation>J. Am. Chem. Soc.</ISOAbbreviation></Journal><ArticleTitle>Direct Observation of Chain Lengths and Conformations in Oligofluorene Distributions from Controlled Polymerization by Double Electron-Electron Resonance.</ArticleTitle><Pagination><MedlinePgn>1952-1956</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1021/jacs.9b11404</ELocationID><Abstract><AbstractText>Synthetic polymers are mixtures of chains with different lengths, and their chain length and chain conformation are often experimentally characterized by ensemble averages. We demonstrate that double electron-electron resonance (DEER) spectroscopy can reveal the chain length distribution and the chain conformation and flexibility of the individual <i>n</i>-mers in oligo-(9,9-dioctylfluorene) from controlled Suzuki-Miyaura coupling polymerization. The required spin-labeled chain ends were introduced efficiently via a TEMPO-substituted initiator and chain-terminating agent, respectively, with an in situ catalyst system. Individual precise chain length oligomers as reference materials were obtained by a stepwise approach. Chain length distribution, chain conformation, and flexibility can also be accessed within poly(fluorene) nanoparticles.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bücker</LastName><ForeName>Dennis</ForeName><Initials>D</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-8946-4650</Identifier><AffiliationInfo><Affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sickinger</LastName><ForeName>Annika</ForeName><Initials>A</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-8394-985X</Identifier><AffiliationInfo><Affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ruiz Perez</LastName><ForeName>Julian D</ForeName><Initials>JD</Initials><AffiliationInfo><Affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Oestringer</LastName><ForeName>Manuel</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mecking</LastName><ForeName>Stefan</ForeName><Initials>S</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-6618-6659</Identifier><AffiliationInfo><Affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Drescher</LastName><ForeName>Malte</ForeName><Initials>M</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-3571-3452</Identifier><AffiliationInfo><Affiliation>Department of Chemistry , University of Konstanz , Universitätsstraße 10 , 78457 Konstanz , Germany.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>12</Month><Day>31</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Am Chem Soc</MedlineTA><NlmUniqueID>7503056</NlmUniqueID><ISSNLinking>0002-7863</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>1</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>1</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>1</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31891263</ArticleId><ArticleId IdType="doi">10.1021/jacs.9b11404</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Sante/explor/MersV1/Data/PubMed/Corpus
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 000302 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/PubMed/Corpus/biblio.hfd -nk 000302 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien
|wiki= Sante
|area= MersV1
|flux= PubMed
|étape= Corpus
|type= RBID
|clé= pubmed:31891263
|texte= Direct Observation of Chain Lengths and Conformations in Oligofluorene Distributions from Controlled Polymerization by Double Electron-Electron Resonance.
}}
Pour générer des pages wiki
HfdIndexSelect -h $EXPLOR_AREA/Data/PubMed/Corpus/RBID.i -Sk "pubmed:31891263" \
| HfdSelect -Kh $EXPLOR_AREA/Data/PubMed/Corpus/biblio.hfd \
| NlmPubMed2Wicri -a MersV1
| This area was generated with Dilib version V0.6.33. |  |