Revisiting very disperse macromolecule populations in hydrodynamic and light scattering studies of sodium carboxymethyl celluloses

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Revisiting very disperse macromolecule populations in hydrodynamic and light scattering studies of sodium carboxymethyl celluloses. / Grube, Mandy; Perevyazko, Igor ; Heinze, Thomas ; Nischang, Ivo.

In: Carbohydrate Polymers, Vol. 229, 115452, 01.02.2020.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{9de3e7bc74b14690b94a1bb8f86513e8,

title = "Revisiting very disperse macromolecule populations in hydrodynamic and light scattering studies of sodium carboxymethyl celluloses",

abstract = "One of the most abundant natural macromolecule, cellulose, is of high importance in technological research including medicine, energy application platforms, and many more. One of its most important ionic derivatives, sodium carboxymethyl cellulose, is known to be very disperse and heterogeneous. The experimental robustness of the methods of hydrodynamics and light scattering are put to test by studying these highly disperse, charged, and heterogeneous macromolecule populations. The following opportunities for molar mass estimations from experimental data were taken into consideration: (i) from the classical Svedberg equation, (ii) from size exclusion chromatography coupled to multi-angle laser light scattering, (iii) from the hydrodynamic invariant, and (iv) the sedimentation parameter. The orthogonality of such approach demonstrates a statistically robust assessment of chain conformational and chain dimensional characteristics of macromolecule populations. Quantitative comparison between the absolute techniques indicates that those have to be checked for accuracy of the obtained and derived characteristics.",

keywords = "Absolute molar mass, Analytical ultracentrifugation, Conformation, Diffusion, dispersity, Hydrodynamic invariants, Light scattering, Macromolecular chain propertie, Rotational friction, Translational friction, Dispersity, Macromolecular chain properties, RAW-MATERIALS, SUBSTITUTION, MOLECULAR-WEIGHTS, MOLAR-MASS, CONFORMATION, SEDIMENTATION, ULTRACENTRIFUGATION, COEFFICIENT, PATTERN, DERIVATIVES",

author = "Mandy Grube and Igor Perevyazko and Thomas Heinze and Ivo Nischang",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",

year = "2020",

month = feb,

day = "1",

doi = "10.1016/j.carbpol.2019.115452",

language = "English",

volume = "229",

journal = "Carbohydrate Polymers",

issn = "0144-8617",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Revisiting very disperse macromolecule populations in hydrodynamic and light scattering studies of sodium carboxymethyl celluloses

AU - Grube, Mandy

AU - Perevyazko, Igor

AU - Heinze, Thomas

AU - Nischang, Ivo

PY - 2020/2/1

Y1 - 2020/2/1

N2 - One of the most abundant natural macromolecule, cellulose, is of high importance in technological research including medicine, energy application platforms, and many more. One of its most important ionic derivatives, sodium carboxymethyl cellulose, is known to be very disperse and heterogeneous. The experimental robustness of the methods of hydrodynamics and light scattering are put to test by studying these highly disperse, charged, and heterogeneous macromolecule populations. The following opportunities for molar mass estimations from experimental data were taken into consideration: (i) from the classical Svedberg equation, (ii) from size exclusion chromatography coupled to multi-angle laser light scattering, (iii) from the hydrodynamic invariant, and (iv) the sedimentation parameter. The orthogonality of such approach demonstrates a statistically robust assessment of chain conformational and chain dimensional characteristics of macromolecule populations. Quantitative comparison between the absolute techniques indicates that those have to be checked for accuracy of the obtained and derived characteristics.

AB - One of the most abundant natural macromolecule, cellulose, is of high importance in technological research including medicine, energy application platforms, and many more. One of its most important ionic derivatives, sodium carboxymethyl cellulose, is known to be very disperse and heterogeneous. The experimental robustness of the methods of hydrodynamics and light scattering are put to test by studying these highly disperse, charged, and heterogeneous macromolecule populations. The following opportunities for molar mass estimations from experimental data were taken into consideration: (i) from the classical Svedberg equation, (ii) from size exclusion chromatography coupled to multi-angle laser light scattering, (iii) from the hydrodynamic invariant, and (iv) the sedimentation parameter. The orthogonality of such approach demonstrates a statistically robust assessment of chain conformational and chain dimensional characteristics of macromolecule populations. Quantitative comparison between the absolute techniques indicates that those have to be checked for accuracy of the obtained and derived characteristics.

KW - Absolute molar mass

KW - Analytical ultracentrifugation

KW - Conformation

KW - Diffusion

KW - dispersity

KW - Hydrodynamic invariants

KW - Light scattering

KW - Macromolecular chain propertie

KW - Rotational friction

KW - Translational friction

KW - Dispersity

KW - Macromolecular chain properties

KW - RAW-MATERIALS

KW - SUBSTITUTION

KW - MOLECULAR-WEIGHTS

KW - MOLAR-MASS

KW - CONFORMATION

KW - SEDIMENTATION

KW - ULTRACENTRIFUGATION

KW - COEFFICIENT

KW - PATTERN

KW - DERIVATIVES

UR - http://www.scopus.com/inward/record.url?scp=85073685929&partnerID=8YFLogxK

UR - http://www.mendeley.com/research/revisiting-very-disperse-macromolecule-populations-hydrodynamic-light-scattering-studies-sodium-carb

U2 - 10.1016/j.carbpol.2019.115452

DO - 10.1016/j.carbpol.2019.115452

M3 - Article

VL - 229

JO - Carbohydrate Polymers

JF - Carbohydrate Polymers

SN - 0144-8617

M1 - 115452

ER -

ID: 49358576