Molecules, 2017 This paper deals with the use of tetrabutylammonium fluoride/dimethylsulfoxide (TBAF/DMSO) to characterize the molar mass distribution of non-derivatized cellulosic samples by size exclusion chromatography (SEC).
Jérémy Rebière +3 more
doaj +1 more source
Ball Milling’s Effect on Pine Milled Wood Lignin’s Structure and Molar Mass
Molecules, 2018 The effect of ball milling expressed as the yield of milled wood lignin (MWL) on the structure and molar mass of crude milled wood lignin (MWLc) preparation is studied to better understand the process’ fundamentals and find optimal conditions for ...
Grigory Zinovyev +4 more
doaj +1 more source
Composition depth profile analysis of electrodeposited alloys and metal multilayers: the reverse approach [PDF]
, 2011 The reverse depth profile analysis is a recently developed method for the study of a deposit composition profile in the near-substrate zone. The sample preparation technique enables one to separate the deposit and a thin cover layer from its substrate ...
Bartók, András +5 more
core +1 more source
Characterization of ultrafiltration membranes by tracer's retention:Comparison of methods sensitivity and reproducibility [PDF]
, 2010 Previous studies have shown that the absolute membrane cut-off and the value quoted by the manufacturers may be very different because of differences in methodologies and testing conditions.
Causserand, Christel +5 more
core +2 more sources
Kinetics of ethylene polymerization over titanium-magnesium catalysts: The reasons for the observed second order of polymerization rate with respect to ethylene [PDF]
Polyolefins Journal, 2015 The data on the effect of ethylene concentration on polymerization rate for several modifications of modern highly active titanium–magnesium catalysts TiCl4/MgCl2 are presented.
Mikhail Matsko +3 more
doaj +1 more source
Milling characteristics and distribution of phytic acid and zind in long-, medium- and short-grain rice [PDF]
, 2008 Milling and polishing are important operations during the production of white rice. The degree of milling and polishing has a significant effect on the nutritional aspects of white rice, especially on minerals, due to a non-uniform distribution of ...
Hamer, R.J. +4 more
core +2 more sources
UHMWPE/SBA-15 nanocomposites synthesized by in situ polymerization [PDF]
, 2016 Different nanocomposites have been attained by in situ polymerization based on ultra-high molecular weight polyethylene (UHMWPE) and mesoporous SBA-15, this silica being used for immobilization of the FI catalyst bis [N-(3-tert-butylsalicylidene)-2,3,4,
Adewole +60 more
core +3 more sources
Cationic polymerization of styrene using iron-containing ionic liquid catalysts in an aqueous dispersed medium [PDF]
PolímerosThis work aims to study the cationic miniemulsion polymerization of styrene catalyzed by iron-containing imidazolium-based ionic liquids. The polystyrenes had very high number-average molar mass around 1300 kg mol-1 at 85 °C, molar-mass dispersity close ...
Gabriel Victor Simões Dutra +5 more
doaj +2 more sources
Chemical and Biochemical Engineering Approaches in Manufacturing Polyhydroxyalkanoate (PHA) Biopolyesters of Tailored Structure with Focus on the Diversity of Building Blocks [PDF]
Chemical and Biochemical Engineering Quarterly, 2019 Polyhydroxyalkanoates (PHA) constitute prokaryotic storage materials not only harnessing microbial cells with benefits for survival under challenging environmental conditions, but also attracting attention as biological materials with properties ...
M. Koller
doaj +1 more source
Impact of limited solvent capacity on metabolic rate, enzyme activities, and metabolite concentrations of S. cerevisiae glycolysis [PDF]
, 2008 The cell's cytoplasm is crowded by its various molecular components, resulting in a limited solvent capacity for the allocation of new proteins, thus constraining various cellular processes such as metabolism.
Barabási, AL +3 more
core +1 more source