Results 241 to 250 of about 133,066 (344)

Enzymatic Synthesis of a Novel Short Linear Maltodextrin from Starch. [PDF]

J Appl Glycosci (1999)
Kawano A, Yamamoto T, Shinagawa Y, Hanashiro I, Yoshida H.   +4 more
europepmc   +1 more source

Evaluation of the mechanical and chemical properties of bitumen fractionation <i>via</i> time efficient chromatography techniques. [PDF]

RSC Adv
Hallmark-Haack B, Middleton J, Rodrigues AL, Forrester M, Williams RC, Cochran E.   +5 more
europepmc   +1 more source

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Gel Permeation Chromatography

Product R&D, 1969
The molecular weight (MW) and molecular weight distribution (MWD) are regarded as the fundamental characteristics of a polymer sample. Gel permeation chromatography (GPC), more correctly termed “size exclusion chromatography” (SEC), is essentially a ...
A. E. Hamielec, B. P. LeClair, S. L. Pearce, S. T. Balke   +3 more
openaire   +3 more sources

Gel‐permeation chromatography of polydimethylsiloxanes

Journal of Polymer Science Part A-2: Polymer Physics, 1969
AbstractThe molecular weight distributions of three polydimethylsiloxanes (PDMS) have been determined by gel‐permeation chromatography (GPC), by gas–liquid chromatography (GLC), and by precipitation fractionation. The GPC data are greatly improved by correction for band spreading.
T. Kendrick
openaire   +3 more sources

Probing Aggregation Tendencies in Asphaltenes by Gel Permeation Chromatography. Part 1: Online Inductively Coupled Plasma Mass Spectrometry and Offline Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

Energy & Fuels, 2020
This study probes the nanoaggregation behavior of asphaltenes by gel permeation chromatography (GPC).
Jonathan C Putman, Remi Moulian, Caroline Barrère-Mangote, R. Rodgers, B. Bouyssière, P. Giusti, A. Marshall   +6 more
semanticscholar   +1 more source

Size-Dependent PbS Quantum Dot Surface Chemistry Investigated via Gel Permeation Chromatography

, 2020
We report the first comprehensive study on the purification of PbS quantum dots (QDs) using gel permeation chromatography (GPC).
Adam Roberge, J. Dunlap, Fiaz Ahmed, Andrew B. Greytak   +3 more
semanticscholar   +1 more source

Study of Very High Molecular Weight Cluster Presence in THF Solution of Asphaltenes and Subfractions A1 and A2, by Gel Permeation Chromatography with Inductively Coupled Plasma Mass Spectrometry

, 2020
Super high molecular weight (SHMW) asphaltenes aggregates, hereafter called asphaltenes clusters, have been observed for the first-time using gel permeation chromatography with inductively coupled ...
Génesis González, S. Acevedo, J. Castillo, Orlando Villegas, M. Ranaudo, Karina Guzmán, M. Orea, B. Bouyssière   +7 more
semanticscholar   +1 more source

Gel Permeation Chromatography of Heparins

Thrombosis and Haemostasis, 1980
SummaryGel permeation chromatography of heparins using water as solvent has recently been used to obtain fractions for biological investigation. We find that heparin fractions obtained in this way are not, necessarily, differentiated simply on a molecular size basis as has been alleged.
Edward A. Johnson, Barbara Mulloy
openaire   +3 more sources

Purification and In Situ Ligand Exchange of Metal-Carboxylate-Treated Fluorescent InP Quantum Dots via Gel Permeation Chromatography.

Journal of Physical Chemistry Letters, 2017
Recently the addition of M2+ Lewis acids (M = Cd, Zn) to InP quantum dots (QDs) has been shown to enhance the photoluminescence quantum yield (PL QY).
Adam Roberge, J. L. Stein, Yi Shen, B. Cossairt, Andrew B. Greytak   +4 more
semanticscholar   +1 more source

Gel Permeation Chromatography in Determining Molecular Weights of Lignins: Critical Aspects Revisited for Improved Utility in the Development of Novel Materials

, 2016
Driven by the need of a simple method to arrive at rather accurate molecular mass key data for different lignin samples across different laboratories, we revisited thoroughly the different aspects that comprise the determination of molecular weight key ...
Heiko Lange, F. Rulli, C. Crestini
semanticscholar   +1 more source