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27 Newest Publications about the topic light scattering detectors
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Low sclareol by‐product of clary sage concrete: chemical analysis of a waste product of the perfume industry
07-12-2012 | Rémi Laville, Cécilia Castel, Karine Fattarsi, Celine Roy, Laurent Legendre, Claire Delbecque, Pierre‐Philippe Garry ..., Flavour and Fragrance Journal, 2012
ABSTRACT In line with the sustainable development objectives of the Claryssime® research programme, a by‐product of Salvia sclarea concrete (low sclareol by‐product) obtained from industrial sclareol purification, was subjected to full chemical fractionation, characterization and ...
Size Exclusion Chromatography with Multi Detection in Combination with Matrix-Assisted Laser Desorption Ionization-Time-of-Flight Mass Spectrometry as a Tool for Unraveling the Mechanism of the Enzymatic Polymerization of Polysaccharides
19-11-2012 | Jelena Ciric; Jorrit Oostland; Jan Willem de Vries; Albert J. J. Woortman; Katja Loos, Analytical Chemistry, 2012
Determination of the size distributions of natural polysaccharides is a challenging task. More advantageous for characterization are well-defined synthetic (hyper)-branched polymers. In this study we concentrated on synthetic amylopectin analogues in order to obtain and compare all available ...
Quantitation of α‐Galactosides in Rehmannia glutinosa by Hydrophilic Interaction Chromatography–Evaporative Light Scattering Detector
02-04-2012 | Kim, Tae Bum; Kim, Seung Hyun; Sung, Sang Hyun, Phytochemical Analysis, 2012
Introduction The use of raffinose family oligosaccharides (RFOs) to control several diseases and stimulate immune systems has been studied. Rehmannia glutinosa is reported to contain RFOs; however, there are no reports on their content level in R. glutinosa. Furthermore, it is difficult ...
Bithiophenesilane-Based Dendronized Polymers: Facile Synthesis and Properties of Novel Highly Branched Organosilicon Macromolecular Structures
10-02-2012 | S. A. Ponomarenko; N. N. Rasulova; Y. N. Luponosov; N. M. Surin; M. I. Buzin; I. Leshchiner; S. M. Peregudova; A. M. ..., Macromolecules, 2012
The synthesis of two novel bithiophenesilane-based dendronized polymers by a chain growth Kumada polymerization, their molecular properties in dilute solutions and thermal properties in the bulk are described and compared with those of bithiophenesilane dendrimers. GPC equipped with a dual ...
Liquid Chromatography–Tandem Mass Spectrometry for the Determination of Sphingomyelin Species from Calf Brain, Ox Liver, Egg Yolk, and Krill Oil
22-12-2011 | Li Zhou; Minjie Zhao; Saïd Ennahar; Françoise Bindler; Eric Marchioni, Journal of Agricultural and Food Chemistry, 2011
In this study, molecular species of sphingomyelin (SM) in egg yolk, calf brain, ox liver, and krill oil were investigated. Classes of phospholipids (PLs) were purified, identified, and quantified by normal phase semipreparative high-performance liquid chromatography (HPLC) combined with ...
Improved Solvent Extraction Procedure and High-Performance Liquid Chromatography–Evaporative Light-Scattering Detector Method for Analysis of Polar Lipids from Dairy Materials
15-09-2011 | Thien Trung Le; Jelena Miocinovic; Tuyet Mai Nguyen; Roeland Rombaut; John van Camp; Koen Dewettinck, Journal of Agricultural and Food Chemistry, 2011
A normal-phase high-performance liquid chromatography–evaporative light-scattering detector method employing dichloromethane, methanol, and acetic acid/triethylamine buffer as the mobile phase was developed for analysis of polar lipids (PLs). This method was applicable for analysis of PLs ...
Determination of Underivatized Long Chain Fatty Acids Using HPLC with an Evaporative Light-Scattering Detector
12-07-2011 | Hui Guo, Chen Hu, Junqing Qian, De Wu, Journal of the American Oil Chemists' Society, 2011
A high-performance liquid chromatographic method with an evaporative light-scattering detector has been developed for the separation and quantitative analysis of four underivatized long chain fatty acids in four different oil matrices. An isocratic elution mode using methanol/water/acetic ...
HPLC‐ELSD analysis of spectinomycin dihydrochloride and its impurities
28-06-2011 | Junyi Zhou; Lin Zhang; Yan Wang; Chao Yan, Journal of Separation Science, 2011
Abstract A simple, rapid and reliable reversed‐phase ion‐pair chromatography method by HPLC coupled to an evaporative light scattering detector (ELSD) has been developed to simultaneously determine chloride, spectinomycin and its related substances in a sample. The column was a TSKgel ...
Study of mechanism retention of nonvolatile alkylphosphonic acids on unmodified selected polymer-based ion exchanger columns
10-06-2011 | Journal of Analytical Chemistry, 2011
Abstract The retention of alkylphosphonic acids (MPA, EPA, PPA, and BPA) and inorganic anions (Cl−, NO3−, and SO42−) were studied on two anion exchangers, e.g., Dionex IonPac AS4A-SC (250 ± 4 mm I.D.) and Satisfaction P 4000-SAX (50 ± 4.6 mm I.D.) under isocratic elution conditions with ...
Development of a rapid and convenient method to separate eight ginsenosides from Panax ginseng by high‐speed counter‐current chromatography coupled with evaporative light scattering detection
01-05-2011 | Shehzad, Omer; Jin Ha, In; Park, Youmie; Wan Ha, Young; Shik Kim, Yeong, Journal of Separation Science, 2011
Abstract Ginsenosides exhibit diverse biological activities and are major well‐known components isolated from the radix of Panax ginseng C.A. Meyer. In the present work, a rapid and facile method for the separation and purification of eight ginsenosides from P. ginseng by high‐speed ...
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