Molecular weight (MW) is one of the most important characteristics of macromolecules.
Sometimes, MW cannot be measured correctly by conventional methods like gel permeation …

For characterisation of macromolecules the first step is to determine the degree of polymerisation
(DP) or the molecular weight (M) of the polymeric compounds. The methods usually …

Procedures that involve the use of size exclusion chromatography (SEC) for the measurement
of concentration and weight-averaged molecular weight, Mw , of some EOR polymers …

Purpose Crosslinked, degradable derivatives of low-molecular-weight polyethylenimine (PEI)
are relatively efficient and non-cytotoxic gene delivery agents. To further investigate these …

Polymer Molecular Weight Methods … Polymer Molecular Weight Methods …

Methodology has been established to determine the molecular weight distribution of the
cellulosic composition of cotton fibers without prior extraction or derivatization, processes that …

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Polymers are long-chain molecules that are made by assembling a series of monomers, which
may be of the same type (homopolymer) or a mixture (copolymer). Many polymers exist in …

The microlithographic process is dependent upon the dissolution of acidic polymers in aqueous
base. The fundamental mechanism that governs the dissolution of these polymers has …