Crystalline forms and cross-sectional dimensions of cellulose microfibrils in the Florideophyceae (Rhodophyta)

Verfasser / Beitragende:
[Roger H. Newman, Tony C. Davidson]
Ort, Verlag, Jahr:
2004
Enthalten in:
Botanica Marina, 47/6(2004-12-01), 490-495
Format:
Artikel (online)
ID: 378902377
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024 7 0 |a 10.1515/BOT.2004.066  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1515/BOT.2004.066 
245 0 0 |a Crystalline forms and cross-sectional dimensions of cellulose microfibrils in the Florideophyceae (Rhodophyta)  |h [Elektronische Daten]  |c [Roger H. Newman, Tony C. Davidson] 
520 3 |a Solid-state 13C nuclear magnetic resonance (NMR) and wide-angle X-ray scattering (WAXS) were used to characterise the cellulose in six species of Florideophycean algae. NMR identified cellulose Iβ as the dominant crystalline form in all species, and was used to estimate the widths of the sheets of cellulose chains. The mean value (±SD) was 3.9±0.4nm. WAXS was used to estimate the thickness of microfibrils measured normal to the sheets of chains. The mean value (±SD) was 1.9±0.5nm. Uniformity of these results across the six species supported a generalisation that Florideophycean algae biosynthesise cellulose chains in microfibrils that are narrower than those biosynthesised by Bangiophycean algae. 
540 |a ©2004 by Walter de Gruyter Berlin New York 
690 7 |a Hydrobiology  |2 nationallicence 
690 7 |a Mycology, fungi  |2 nationallicence 
690 7 |a Botany & plant sciences  |2 nationallicence 
690 7 |a 13C NMR  |2 nationallicence 
690 7 |a cellulose  |2 nationallicence 
690 7 |a Florideophyceae  |2 nationallicence 
690 7 |a microfibrils  |2 nationallicence 
690 7 |a X-ray diffraction  |2 nationallicence 
700 1 |a Newman  |D Roger H.  |u Industrial Research Limited, PO Box 31310 Lower Hutt, New Zealand  |4 aut 
700 1 |a Davidson  |D Tony C.  |u Industrial Research Limited, PO Box 31310 Lower Hutt, New Zealand  |4 aut 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Newman  |D Roger H.  |u Industrial Research Limited, PO Box 31310 Lower Hutt, New Zealand  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Davidson  |D Tony C.  |u Industrial Research Limited, PO Box 31310 Lower Hutt, New Zealand  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Botanica Marina  |d Walter de Gruyter  |g 47/6(2004-12-01), 490-495  |x 0006-8055  |q 47:6<490  |1 2004  |2 47  |o botm 
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