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  • Choong, Ferdinand X.Karolinska Institutet,Karolinska Institute, Sweden (author)

Nondestructive, real-time determination and visualization of cellulose, hemicellulose and lignin by luminescent oligothiophenes

  • Article/chapterEnglish2016

Publisher, publication year, extent ...

  • 2016-10-19
  • Nature Publishing Group,2016
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-196606
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-196606URI
  • https://doi.org/10.1038/srep35578DOI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:134475191URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-132668URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20161117
  • Funding Agencies|Knut and Alice Wallenberg Foundation; Carl Bennet AB; Erling-Persson Family Foundation; ERC Starting Independent Researcher Grant from the European Research Council
  • Enabling technologies for efficient use of the bio-based feedstock are crucial to the replacement of oil-based products. We investigated the feasibility of luminescent conjugated oligothiophenes (LCOs) for non-destructive, rapid detection and quality assessment of lignocellulosic components in complex biomass matrices. A cationic pentameric oligothiophene denoted p-HTEA (pentamer hydrogen thiophene ethyl amine) showed unique binding affinities to cellulose, lignin, hemicelluloses, and cellulose nanofibrils in crystal, liquid and paper form. We exploited this finding using spectrofluorometric methods and fluorescence confocal laser scanning microscopy, for sensitive, simultaneous determination of the structural and compositional complexities of native lignocellulosic biomass. With exceptional photostability, p-HTEA is also demonstrated as a dynamic sensor for real-time monitoring of enzymatic cellulose degradation in cellulolysis. These results demonstrate the use of p-HTEA as a non-destructive tool for the determination of cellulose, hemicellulose and lignin in complex biomass matrices, thereby aiding in the optimization of biomass-converting technologies.

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  • Bäck, MarcusLinköpings universitet,Kemi,Tekniska fakulteten(Swepub:liu)marba90 (author)
  • Steiner, Svava E.Karolinska Institutet,Karolinska Institute, Sweden (author)
  • Melican, KeiraKarolinska Institutet,Karolinska Institute, Sweden (author)
  • Nilsson, PeterLinköpings universitet,Kemi,Tekniska fakulteten(Swepub:liu)petni61 (author)
  • Edlund, UlricaKTH,Fiber- och polymerteknologi,KTH Royal Institute Technology, Sweden(Swepub:kth)u1goaund (author)
  • Richter-Dahlfors, AgnetaKarolinska Institutet,Karolinska Institute, Sweden (author)
  • Karolinska InstitutetKarolinska Institute, Sweden (creator_code:org_t)

Related titles

  • In:Scientific Reports: Nature Publishing Group62045-2322

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