Search Results - "Irgum, Knut"

Hydrophilic interaction chromatography by Hemström, Petrus, Irgum, Knut

“…Separation of polar compounds on polar stationary phases with partly aqueous eluents is by no means a new separation mode in LC. The first HPLC applications…”
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Probing the interaction mode in hydrophilic interaction chromatography by Dinh, Ngoc Phuoc, Jonsson, Tobias, Irgum, Knut

“…This work aims at characterizing interactions between a select set of probes and 22 hydrophilic and polar commercial stationary phases, to develop an…”
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Water uptake on polar stationary phases under conditions for hydrophilic interaction chromatography and its relation to solute retention by Dinh, Ngoc Phuoc, Jonsson, Tobias, Irgum, Knut

“…•Accumulation of water on HILIC stationary phases was confirmed.•Added salt and hydrogen bonding solvents influenced the water-enriched layer.•Retention of…”
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Monolithic Space-Filling Porous Materials from Engineering Plastics by Thermally Induced Phase Separation by Elhaj, Ahmed, Irgum, Knut

“…Six different uncompounded engineering and commodity polymers were evaluated for their ability to produce space-filling monolithic entities by thermally…”
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Revealing the Phenotypic and Genomic Background for PHA Production from Rapeseed-Biodiesel Crude Glycerol Using Photobacterium ganghwense C2.2 by Lascu, Irina, Tănase, Ana Maria, Jablonski, Piotr, Chiciudean, Iulia, Preda, Maria Irina, Avramescu, Sorin, Irgum, Knut, Stoica, Ileana

“…Polyhydroxyalkanoates (PHA) are promising biodegradable and biocompatible bioplastics, and extensive knowledge of the employed bacterial strain's metabolic…”
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High natural PHA production from acetate in Cobetia sp. MC34 and Cobetia marina DSM 4741T and in silico analyses of the genus specific PhaC2 polymerase variant by Christensen, Mikkel, Jablonski, Piotr, Altermark, Bjarn, Irgum, Knut, Hansen, Hilde

“…Abstract Background Several members of the bacterial Halomonadacea family are natural producers of polyhydroxyalkanoates (PHA), which are promising materials…”
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Epoxy-Based Monoliths. A Novel Hydrophilic Separation Material for Liquid Chromatography of Biomolecules by Nguyen, Anh Mai, Irgum, Knut

“…In our efforts to develop novel hydrophilic monolithic porous materials for use as supports in liquid chromatographic separation of proteins, polymers based on…”
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Monodisperse Polymeric Particles by Photoinitiated Precipitation Polymerization by Limé, Fredrik, Irgum, Knut

“…Monodisperse polymer particles consisting of DVB and styrene-copoly-DVB were successfully synthesized by photoinitiated precipitation polymerization with…”
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A 2H nuclear magnetic resonance study of the state of water in neat silica and zwitterionic stationary phases and its influence on the chromatographic retention characteristics in hydrophilic interaction high-performance liquid chromatography by Wikberg, Erika, Sparrman, Tobias, Viklund, Camilla, Jonsson, Tobias, Irgum, Knut

“…2H NMR has been used as a tool for probing the state of water in hydrophilic stationary phases for liquid chromatography at temperatures between −80 and +4 °C…”
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Elucidation of the Binding Orientation in α2,3- and α2,6-Linked Neu5Ac-Gal Epitopes toward a Hydrophilic Molecularly Imprinted Monolith by Huynh, Chau Minh, Mavliutova, Liliia, Sparrman, Tobias, Sellergren, Börje, Irgum, Knut

“…N-Acetylneuraminic acid and its α2,3/α2,6-glycosidic linkages with galactose (Neu5Ac-Gal) are major carbohydrate antigen epitopes expressed in various…”
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Novel monolithic materials using poly(ethylene glycol) as porogen for protein separation by Courtois, Julien, Byström, Emil, Irgum, Knut

“…Several recipes are described for the preparation of porous polymeric monoliths in the capillary format, using poly(ethylene glycol) (PEG) as porogen as well…”
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Atom-Transfer Radical Graft Polymerization Initiated Directly from Silica Applied to Functionalization of Stationary Phases for High-Performance Liquid Chromatography in the Hydrophilic Interaction Chromatography Mode by Hemström, Petrus, Szumski, Michal, Irgum, Knut

“…Initiation of atom-transfer radical polymerization of a number of monomers (styrene, methyl acrylate, 3-[N,N-dimethyl-N-(methacryloyloxyethyl)ammonium]…”
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Poly (Vinylidene Difluoride) Polymer in 1-Ethyl-3-methylimidazolium Acetate and Acetic Acid Containing Solvents: Tunable and Recoverable Solvent Media to Induce Crystalline Phase Transition and Porosity by Khokarale, Santosh Govind, Jablonski, Piotr, Nikjoo, Dariush, Dinh, Van Minh, Sundman, Ola, Irgum, Knut, Mikkola, Jyri-Pekka

“…In this report, 1-ethyl-3-methylimidazolium acetate, [EMIM][AcO] ionic liquid (IL) and acetic acid (AA) comprised solvents were used for the thermal treatment…”
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Tentacle-Type Zwitterionic Stationary Phase Prepared by Surface-Initiated Graft Polymerization of 3-[N,N-Dimethyl-N-(Methacryloyloxyethyl)- ammonium] Propanesulfonate through Peroxide Groups Tethered on Porous Silica by Jiang, Wen, Irgum, Knut

“…A novel stationary phase with tentacle-type zwitterionic interaction layer was synthesized by free radical graft polymerization of…”
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Fast hydrophilic interaction liquid chromatographic separations on bonded zwitterionic stationary phase by Appelblad, Patrik, Jonsson, Tobias, Jiang, Wen, Irgum, Knut

“…Separation science is an art of obtaining adequate resolution of the desired compounds in minimum time, and with minimum effort in terms of sample preparation…”
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Molecularly imprinted polymers grafted to flow through poly(trimethylolpropane trimethacrylate) monoliths for capillary-based solid-phase extraction by Courtois, Julien, Fischer, Gerd, Sellergren, Börje, Irgum, Knut

“…Monolithic molecularly imprinted polymers (mMIPs) have been synthesized in a novel way using a trimethylolpropane trimethacrylate core material…”
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Preparation of a sorbitol methacrylate grafted silica as stationary phase for hydrophilic interaction chromatography by Persson, Jonas, Hemström, Petrus, Irgum, Knut

“…A new highly hydrophilic stationary phase based on graft polymerization of sorbitol methacrylate from the surface of Kromasil silica particles is described…”
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Covalently Bonded Polymeric Zwitterionic Stationary Phase for Simultaneous Separation of Inorganic Cations and Anions by Jiang, Wen, Irgum, Knut

“…A novel polymer-based zwitterionic separation material was synthesized by a two-step reaction, in which 2-hydroxyethyl methacrylate−ethylene dimethacrylate…”
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Functionalization of epoxy-based monoliths for ion exchange chromatography of proteins by Dinh, Ngoc Phuoc, Cam, Quach Minh, Nguyen, Anh Mai, Shchukarev, Andrei, Irgum, Knut

“…Macroporous epoxy-based monoliths prepared by emulsion polymerization have been modified for use in ion exchange chromatography (IEC) of proteins. Strong anion…”
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Sizeable Macroporous Monolithic Polyamide Entities Prepared in Closed Molds by Thermally Mediated Dissolution and Phase Segregation by Mai, Nguyen Anh, Duc, Nguyen Thanh, Irgum, Knut

“…A simple method is presented for the preparation of macroporous monoliths from an aliphatic polyamide in closed molds, based on swelling/dissolution in benzyl…”
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