Size and Structure Characterization of Ethylhydroxyethyl Cellulose by the Combination of Field-Flow Fractionation with Other Techniques. Investigation of Ultralarge Components
(2004) In Biomacromolecules 5(1). p.97-105- Abstract
- Ethylhydroxyethyl cellulose (EHEC) of three different viscosity classes (EHEC I, II, and III) was analyzed by programmed cross-flow asymmetrical flow field-flow fractionation coupled to multiangle light scattering and refractive index detectors to determine their size and molar mass distribution. Two size populations were detected in the two lower viscosity classes, EHEC I and II, one high molar mass and one ultrahigh molar mass (UHM). The two covered molar masses from 104 up to 109 g·mol-1. The highest viscosity class EHEC III was less size-dispersed covering molar masses from 5 × 105 to 5 × 107 g·mol-1. Filtering of the EHEC II solution removed small amounts of compact UHM material. Enzyme treatments were performed on EHEC II to further... (More)
- Ethylhydroxyethyl cellulose (EHEC) of three different viscosity classes (EHEC I, II, and III) was analyzed by programmed cross-flow asymmetrical flow field-flow fractionation coupled to multiangle light scattering and refractive index detectors to determine their size and molar mass distribution. Two size populations were detected in the two lower viscosity classes, EHEC I and II, one high molar mass and one ultrahigh molar mass (UHM). The two covered molar masses from 104 up to 109 g·mol-1. The highest viscosity class EHEC III was less size-dispersed covering molar masses from 5 × 105 to 5 × 107 g·mol-1. Filtering of the EHEC II solution removed small amounts of compact UHM material. Enzyme treatments were performed on EHEC II to further characterize it. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and anion ion-exchange chromatography coupled to pulsed amperometric detection showed that the UHM component contained EHEC. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/141351
- author
- Andersson, M ; Wittgren, Bengt ; Schagerlöf, Herje LU ; Momcilovic, Dane LU and Wahlund, Karl-Gustav LU
- organization
- publishing date
- 2004
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Biomacromolecules
- volume
- 5
- issue
- 1
- pages
- 97 - 105
- publisher
- The American Chemical Society (ACS)
- external identifiers
-
- wos:000189183200015
- scopus:0842279865
- ISSN
- 1526-4602
- DOI
- 10.1021/bm030051z
- language
- English
- LU publication?
- yes
- additional info
- The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Analytical Chemistry (S/LTH) (011001004), Biochemistry and Structural Biology (S) (000006142)
- id
- 1de11106-d55b-4e75-8765-760a60e0baee (old id 141351)
- date added to LUP
- 2016-04-01 12:29:14
- date last changed
- 2022-01-27 05:43:15
@article{1de11106-d55b-4e75-8765-760a60e0baee, abstract = {{Ethylhydroxyethyl cellulose (EHEC) of three different viscosity classes (EHEC I, II, and III) was analyzed by programmed cross-flow asymmetrical flow field-flow fractionation coupled to multiangle light scattering and refractive index detectors to determine their size and molar mass distribution. Two size populations were detected in the two lower viscosity classes, EHEC I and II, one high molar mass and one ultrahigh molar mass (UHM). The two covered molar masses from 104 up to 109 g·mol-1. The highest viscosity class EHEC III was less size-dispersed covering molar masses from 5 × 105 to 5 × 107 g·mol-1. Filtering of the EHEC II solution removed small amounts of compact UHM material. Enzyme treatments were performed on EHEC II to further characterize it. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and anion ion-exchange chromatography coupled to pulsed amperometric detection showed that the UHM component contained EHEC.}}, author = {{Andersson, M and Wittgren, Bengt and Schagerlöf, Herje and Momcilovic, Dane and Wahlund, Karl-Gustav}}, issn = {{1526-4602}}, language = {{eng}}, number = {{1}}, pages = {{97--105}}, publisher = {{The American Chemical Society (ACS)}}, series = {{Biomacromolecules}}, title = {{Size and Structure Characterization of Ethylhydroxyethyl Cellulose by the Combination of Field-Flow Fractionation with Other Techniques. Investigation of Ultralarge Components}}, url = {{http://dx.doi.org/10.1021/bm030051z}}, doi = {{10.1021/bm030051z}}, volume = {{5}}, year = {{2004}}, }