%0 Journal Article %1 Berth1996 %A Berth, G. %A Dautzenberg, H. %A Christensen, B. E. %A Smidsrod, O. %C 605 THIRD AVE, NEW YORK, NY 10158-0012 %D 1996 %I JOHN WILEY & SONS INC %J Biopolymers %K ;; [ISI:] aqueous dilute-solution; double-stranded gpc helix; pectin; sodium-chloride; xanthan; %N 5 %P 721 -- 728 %T Physicochemical studies on xylinan (acetan) .2. Characterization by static light scattering %V 39 %X Laboratory-made samples of the polysaccharide xylinan, also called acetan, were studied in aqueous solution at various ionic strengths I (0.01 mol/L less than or equal to I less than or equal to 0.30 mol/L). The conditions for clarification (ultracentrifugation/membrane filtration) were studied. The Zimm procedure was used to obtain the average molar mass, the second virial coefficient, and the radius of gyration. The interpretation of the angular dependence of scattered Eight by fitting with ''Master Curves'' led to double-stranded wormlike chains with persistence lengths between 90 and 120 nm. The ionic strength had a strong effect on the thermodynamic second virial coefficient, belt the overall structure remained unchanged. The ambiguity of the light scattering data was dip cussed assuming alternatively a two-component system instead of the wormlike chain model for the experimental scattering curves. The two-component system can be ruled out on the basis of model calculations. (C) 1996 John Wiley & Sons, Inc.

@article{Berth1996, __markedentry = {[phpts:6]}, abstract = {Laboratory-made samples of the polysaccharide xylinan, also called acetan, were studied in aqueous solution at various ionic strengths I (0.01 mol/L less than or equal to I less than or equal to 0.30 mol/L). The conditions for clarification (ultracentrifugation/membrane filtration) were studied. The Zimm procedure was used to obtain the average molar mass, the second virial coefficient, and the radius of gyration. The interpretation of the angular dependence of scattered Eight by fitting with ''Master Curves'' led to double-stranded wormlike chains with persistence lengths between 90 and 120 nm. The ionic strength had a strong effect on the thermodynamic second virial coefficient, belt the overall structure remained unchanged. The ambiguity of the light scattering data was dip cussed assuming alternatively a two-component system instead of the wormlike chain model for the experimental scattering curves. The two-component system can be ruled out on the basis of model calculations. (C) 1996 John Wiley & Sons, Inc.}, added-at = {2011-11-04T13:47:04.000+0100}, address = {605 THIRD AVE, NEW YORK, NY 10158-0012}, author = {Berth, G. and Dautzenberg, H. and Christensen, B. E. and Smidsrod, O.}, authoraddress = {UNIV TRONDHEIM,NTH,NORWEGIAN BIOPOLYMER LAB,DEPT BIOTECHNOL,N-7034 TRONDHEIM,NORWAY.}, biburl = {https://www.bibsonomy.org/bibtex/2b5a2d6cdc8021f5e36cbf0f46f998ab2/pawelsikorski}, citedref = {BERTH G, 1990, CARBOHYD POLYM, V12, P39 ; BERTH G, 1992, CARBOHYD POLYM, V19, P1 ; BERTH G, 1994, CARBOHYD POLYM, V25, P177 ; BERTH G, 1994, CARBOHYD POLYM, V25, P187 ; CHRISTENSEN BE, 1994, CARBOHYD POLYM, V25, P25 ; DAUTZENBERG H, 1988, J POLYM SCI POL LETT, V26, P353 ; DAUTZENBERG H, 1991, J APPL POLYM SCI APP, V48, P351 ; DAUTZENBERG H, 1992, MAKROMOL CHEM-M SYMP, V16, P94 ; DAUTZENBERG H, 1994, POLYELECTROLYTES FOR ; HOLTZER AM, 1955, J POLYM SCI, V17, P432 ; HUGLIN MB, 1972, LIGHT SCATTERING POL ; KARTOCHVIL P, 1972, LIGHT SCATTERING POL ; KERKER M, 1969, SCATTERING LIGHT OTH ; LIU W, 1987, CARBOHYD RES, V160, P267 ; RIDOUT MJ, 1994, INT J BIOL MACROMOL, V16, P324 ; SATO T, 1984, MACROMOLECULES, V17, P2696 ; SATO T, 1984, POLYM J, V16, P341 ; SMIDSROD O, 1968, ACTA CHEM SCAND, V22, P797 ; TABOR BE, 1972, LIGHT SCATTERING POL ; TANFORD C, 1965, PHYSICAL CHEM MACROM ; ZIMM BH, 1948, J CHEM PHYS, V16, P1099}, interhash = {fa636629aba32b91959d4d6d797abbbd}, intrahash = {b5a2d6cdc8021f5e36cbf0f46f998ab2}, isifile-dt = {Article}, isifile-ga = {VN232}, isifile-j9 = {BIOPOLYMERS}, isifile-nr = {21}, isifile-pi = {NEW YORK}, isifile-rp = {Berth, G, CARE OF DAUTZENBERG H,MPI COLLOID & INTERFACE RES,KANTSTR ; 55,D-14513 TELTOW,GERMANY.}, isifile-sc = {Biochemistry & Molecular Biology; Biophysics}, isifile-tc = {3}, issn = {0006-3525}, journal = {Biopolymers}, keywords = {;; [ISI:] aqueous dilute-solution; double-stranded gpc helix; pectin; sodium-chloride; xanthan;}, language = {English}, month = NOV, number = 5, owner = {phpts}, pages = {721 -- 728}, publisher = {JOHN WILEY \& SONS INC}, size = {8 p.}, sourceid = {ISI:A1996VN23200010}, timestamp = {2011-11-04T13:47:06.000+0100}, title = {Physicochemical studies on xylinan (acetan) .2. Characterization by static light scattering}, volume = 39, year = 1996 }