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Supramolecular architecture of betulin diacetate complexes with arabinogalactan from Larix sibirica.

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Title: Supramolecular architecture of betulin diacetate complexes with arabinogalactan from Larix sibirica.
Authors: Mikhailenko, Mikhail A.1, Shakhtshneider, Tatyana P.1,2 shah@solid.nsc.ru, Eltsov, Ilia V.2, Kozlov, Alexander S.3, Kuznetsova, Svetlana A.4,5, Karacharov, Аnton А.4,5, Boldyrev, Vladimir V.1,2
Source: Carbohydrate Polymers. Mar2016, Vol. 138, p1-7. 7p.
Subjects: Arabinogalactan, Betulin, Dimethyl sulfoxide, Submillimeter waves, Laser ablation, Supramolecular polymers, Nuclear magnetic resonance spectroscopy
Abstract: Supramolecular ensembles of arabinogalactan (AG) and its complexes with betulin diacetate (BDA) were studied in water and dimethyl sulfoxide (DMSO) using ablation, induced by submillimeter radiation from the free electron laser. Solutions of 1 wt% AG resulted in formation of aerosol particles with a maximum size of 60–70 nm. In contrast, with DMSO as the solvent, the majority of particles were significantly smaller. Nevertheless, the addition of water shifted the particle size distribution to a larger size, suggesting the cross-linking of AG chains due to hydrogen bonding through water molecules. The ensembles of molecules were larger in solutions of the AG–BDA complex as compared to pure AG aqueous solution, and the distribution was narrow. The role of side chain interactions in the formation of AG–BDA complexes in aqueous solutions was confirmed by NMR. [ABSTRACT FROM AUTHOR]
Copyright of Carbohydrate Polymers is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 112240639
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Supramolecular architecture of betulin diacetate complexes with arabinogalactan from Larix sibirica.
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  Data: <searchLink fieldCode="AR" term="%22Mikhailenko%2C+Mikhail+A%2E%22">Mikhailenko, Mikhail A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Shakhtshneider%2C+Tatyana+P%2E%22">Shakhtshneider, Tatyana P.</searchLink><relatesTo>1,2</relatesTo><i> shah@solid.nsc.ru</i><br /><searchLink fieldCode="AR" term="%22Eltsov%2C+Ilia+V%2E%22">Eltsov, Ilia V.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kozlov%2C+Alexander+S%2E%22">Kozlov, Alexander S.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Kuznetsova%2C+Svetlana+A%2E%22">Kuznetsova, Svetlana A.</searchLink><relatesTo>4,5</relatesTo><br /><searchLink fieldCode="AR" term="%22Karacharov%2C+Аnton+А%2E%22">Karacharov, Аnton А.</searchLink><relatesTo>4,5</relatesTo><br /><searchLink fieldCode="AR" term="%22Boldyrev%2C+Vladimir+V%2E%22">Boldyrev, Vladimir V.</searchLink><relatesTo>1,2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Carbohydrate+Polymers%22">Carbohydrate Polymers</searchLink>. Mar2016, Vol. 138, p1-7. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Arabinogalactan%22">Arabinogalactan</searchLink><br /><searchLink fieldCode="DE" term="%22Betulin%22">Betulin</searchLink><br /><searchLink fieldCode="DE" term="%22Dimethyl+sulfoxide%22">Dimethyl sulfoxide</searchLink><br /><searchLink fieldCode="DE" term="%22Submillimeter+waves%22">Submillimeter waves</searchLink><br /><searchLink fieldCode="DE" term="%22Laser+ablation%22">Laser ablation</searchLink><br /><searchLink fieldCode="DE" term="%22Supramolecular+polymers%22">Supramolecular polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+magnetic+resonance+spectroscopy%22">Nuclear magnetic resonance spectroscopy</searchLink>
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  Label: Abstract
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  Data: Supramolecular ensembles of arabinogalactan (AG) and its complexes with betulin diacetate (BDA) were studied in water and dimethyl sulfoxide (DMSO) using ablation, induced by submillimeter radiation from the free electron laser. Solutions of 1 wt% AG resulted in formation of aerosol particles with a maximum size of 60–70 nm. In contrast, with DMSO as the solvent, the majority of particles were significantly smaller. Nevertheless, the addition of water shifted the particle size distribution to a larger size, suggesting the cross-linking of AG chains due to hydrogen bonding through water molecules. The ensembles of molecules were larger in solutions of the AG–BDA complex as compared to pure AG aqueous solution, and the distribution was narrow. The role of side chain interactions in the formation of AG–BDA complexes in aqueous solutions was confirmed by NMR. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Carbohydrate Polymers is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.carbpol.2015.11.047
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      – Code: eng
        Text: English
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        PageCount: 7
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      – SubjectFull: Arabinogalactan
        Type: general
      – SubjectFull: Betulin
        Type: general
      – SubjectFull: Dimethyl sulfoxide
        Type: general
      – SubjectFull: Submillimeter waves
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      – SubjectFull: Laser ablation
        Type: general
      – SubjectFull: Supramolecular polymers
        Type: general
      – SubjectFull: Nuclear magnetic resonance spectroscopy
        Type: general
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      – TitleFull: Supramolecular architecture of betulin diacetate complexes with arabinogalactan from Larix sibirica.
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              Text: Mar2016
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