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Comparing different...
Comparing different techniques for obtaining molecular size distributions of glycogen
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- Wan, Yujun (författare)
- University of Queensland
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- Chua, Sheena M.H. (författare)
- University of Queensland
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- Yao, Yin (författare)
- University of New South Wales
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- Adler, Lewis (författare)
- University of New South Wales
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- Navarro, Marta (författare)
- University of Queensland
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- Roura, Eugeni (författare)
- University of Queensland
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- Tilley, Richard D. (författare)
- University of New South Wales
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- Li, Changfeng (författare)
- Yangzhou University
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- Nilsson, Lars (författare)
- Lund University,Lunds universitet,Avdelningen för livsmedel och läkemedel,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Food and Pharma,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Gilbert, Robert G. (författare)
- Yangzhou University,University of Queensland
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- Sullivan, Mitchell A. (författare)
- University of Queensland
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: European Polymer Journal. - 0014-3057. ; 201
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Glycogen is a hyperbranched glucose polymer, serving as a major energy reservoir in animals. Characterization of the size distributions of complex branched polysaccharides helps in the understanding of their structural and functional properties. This study compared the effectiveness of various techniques in analyzing glycogen size distributions, namely size-separation-based techniques (size exclusion chromatography (SEC) and asymmetric-flow field-flow fractionation (AF4)) and imaging-based methods (transmission electron microscopy (TEM) and atomic force microscopy (AFM)). SEC and AF4 gave similar glycogen size distributions. TEM was suboptimal for obtaining size distributions due to the difficulty of preventing aggregation artifacts during sample preparation. AFM appeared to avoid the problem, but the size distributions so obtained had substantially lower resolution and were much more laborious to acquire. The microscopy-based techniques, especially TEM, do however provide richer morphological information on individual particles than do SEC and AF4. These results suggest that combining size-separation and microscopy (imaging) techniques could provide a holistic view of glycogen size distribution and morphology, which may also be applicable to the characterization of other complex branched polymers.
Ämnesord
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- Asymmetric-flow field-flow fractionation
- Atomic force microscopy
- Glycogen
- Size distribution
- Size exclusion chromatography
- Transmission electron microscopy
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Till lärosätets databas
- Av författaren/redakt...
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Wan, Yujun
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Chua, Sheena M.H ...
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Yao, Yin
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Adler, Lewis
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Navarro, Marta
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Roura, Eugeni
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visa fler...
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Tilley, Richard ...
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Li, Changfeng
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Nilsson, Lars
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Gilbert, Robert ...
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Sullivan, Mitche ...
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Polymerkemi
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Analytisk kemi
- Artiklar i publikationen
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European Polymer ...
- Av lärosätet
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Lunds universitet