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The SEC separation of a randomly branched polymer, in particular local dispersity due to branching, are theoretically examined. A model of the SEC separation of randomly branched polymer with tetrafunctional branch points enabling the estimation of local dispersity was developed. Measurable quantities (branching indices) were compared with real data. Local dispersity due to branching is demonstrated to depend on elution volume and degree of branching and in the area of the beginning of the elution curve it can reach non-negligible values.
Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovský Sq. 2, 162 06 Prague 6, Czech Republic. Electronic address: firstname.lastname@example.org.
This article was published in the following journal.
Name: Journal of chromatography. A
Porous metal-organic frameworks (MOFs) [Cu3(BTC)2(H2O)3]n (also known as HKUST-1; BTC, benzene-1,3,5-tricarboxylic acid) were synthesized as homogeneous shell onto carboxyl functionalized magnetic mic...
Here we introduce pre-equilibration kinetic size-exclusion chromatography with mass-spectrometry detection (peKSEC-MS), which is a label-free solution-based kinetic approach for characterizing non-cov...
A simple, rapid and environment-friendly direct injection HPLC method for the determination of methyldopa (MTD) in human serum has been developed and validated. The method was based on cleanup and sep...
The mechanisms stopping the growth of individual chains in complex highly branched polymers are investigated by taking advantage of special properties of glycogen, a complex branched polymer of glucos...
Four poly(phenylacetylene)s () bearing phenylcarbamate residues of L-phenylglycinol and amide linkage as pendants were prepared to be used as chiral stationary phases (CSPs) for high-performance liqui...
The purpose of this study is to determine whether Branched chain Amino Acids enhances the uptake of ammonia in muscle tissue.
With aging, there is a decrease in muscle mass and function especially in the energy storehouses of cells called mitochondria. Amino acids, the building blocks of protein, and insulin hav...
Prospective, non-randomized trial to evaluate the safety and efficacy of the LAA Exclusion Device (Clip) for the exclusion of the LAA via epicardial tissue approximation.
To evaluate the safety and immunogenicity of a combination of microparticulate monovalent HIV-1 MN synthetic branched peptide candidate vaccine for oral administration and monovalent HIV-1...
The aims of this study are (1) to study the benefit of branched-chain amino acids enriched nutrient-mixture by analyzing a variety of clinical parameter, including laboratory data, the dur...
A method of gel filtration chromatography using agarose, the non-ionic component of agar, for the separation of compounds with molecular weights up to several million.
A hybrid separation technique combining both chromatographic and electrophoretic separation principles. While the method was invented to separate neutral species, it can also be applied to charged molecules such as small peptides.
A separation technique which combines LIQUID CHROMATOGRAPHY and CAPILLARY ELECTROPHORESIS.
A method of separation of two or more substances by repeated distribution between two immiscible liquid phases that move past each other in opposite directions. It is a form of liquid-liquid chromatography. (Stedman, 25th ed)
Use of various chemical separation and extraction methods, such as SOLID PHASE EXTRACTION; CHROMATOGRAPHY; and SUPERCRITICAL FLUID EXTRACTION; to prepare samples for analytical measurement of components.