Search Results - "Nord, Lars I."

Modification and cross-linking parameters in hyaluronic acid hydrogels—Definitions and analytical methods by Kenne, Lennart, Gohil, Suresh, Nilsson, Eva M., Karlsson, Anders, Ericsson, David, Helander Kenne, Anne, Nord, Lars I.

“…► We define terms describing cross-linked HA hydrogels. ► A novel method for the analysis of cross-linker ratio of HA hydrogels is introduced. ► The method is…”
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Determination of substitution positions in hyaluronic acid hydrogels using NMR and MS based methods by Wende, Frida J., Gohil, Suresh, Mojarradi, Hotan, Gerfaud, Thibaud, Nord, Lars I., Karlsson, Anders, Boiteau, Jean-Guy, Kenne, Anne Helander, Sandström, Corine

“…•NMR and MS methods to determine linker position in HA hydrogels were developed.•Oligosaccharides of different sizes were obtained by enzymatic…”
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Multidimensional profiling of components in complex mixtures of natural products for metabolic analysis, proof of concept: Application to Quillaja saponins by Bankefors, Johan, Nord, Lars I., Kenne, Lennart

“…A method for separation and detection of major and minor components in complex mixtures has been developed, utilising two-dimensional high-performance liquid…”
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Gel Properties of Hyaluronic Acid Dermal Fillers by Edsman, Katarina, Nord, Lars I., Öhrlund, Åke, Lärkner, Helena, Kenne, Anne Helander

“…Background Most of the hyaluronic acid (HA)‐based dermal fillers currently on the market are chemically modified with cross‐linkers to improve the mechanical…”
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1D NMR methods for determination of degree of cross-linking and BDDE substitution positions in HA hydrogels by Wende, Frida J, Gohil, Suresh, Nord, Lars I, Helander Kenne, Anne, Sandström, Corine

“…Hyaluronic acid polymers cross-linked with BDDE are today among the most used hydrogels for biomedical applications. The physical properties of the hydrogels…”
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Oligosaccharide sequences in Quillaja saponins by electrospray ionization ion trap multiple-stage mass spectrometry by Broberg, Susanna, Nord, Lars I., Kenne, Lennart

“…Ten different samples with 13 previously identified saponin structures from Quillaja saponaria Molina were investigated by electrospray ionization ion trap…”
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Insights on the reactivity of chondroitin and hyaluronan toward 1,4-butanediol diglycidyl ether by Wende, Frida J., Gohil, Suresh, Nord, Lars I., Karlsson, Anders, Kenne, Anne Helander, Sandström, Corine

“…Hyaluronic acid (HA) cross-linked with 1,4-butanediol diglycidyl ether (BDDE) are hydrogels with many biomedical applications. Degree of substitution,…”
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A novel method for examination of the variable contribution to computational neural network models by Nord, Lars I, Jacobsson, Sven P

“…Computational neural networks (CNNs or, as they are commonly referred to; artificial neural networks, ANNs) have been demonstrated in a large number of…”
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Structural classification of acyl-substituted Quillaja saponins by electrospray ionisation ion trap multiple-stage mass spectrometry in combination with multivariate analysis by Bankefors, Johan, Nord, Lars I., Kenne, Lennart

“…Thirty‐eight saponins in two chromatographic fractions (QH‐B and QH‐C) from Quillaja saponaria Molina have been separated by a two‐step high‐performance liquid…”
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Electrospray ionization ion-trap multiple-stage mass spectrometry of Quillaja saponins by Bankefors, Johan, Broberg, Susanna, Nord, Lars I., Kenne, Lennart

“…Fifteen identified C‐18 fatty acyl‐containing saponin structures from Quillaja saponaria Molina have been investigated by electrospray ionization ion‐trap…”
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Proof of principle of a generalized fuzzy Hough transform approach to peak alignment of one-dimensional H NMR data by Csenki, Leonard, Alm, Erik, Torgrip, Ralf J O, Aberg, K Magnus, Nord, Lars I, Schuppe-Koistinen, Ina, Lindberg, Johan

“…In metabolic profiling, multivariate data analysis techniques are used to interpret one-dimensional (1D) H NMR data. Multivariate data analysis techniques…”
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Intra-articular Duration of Durolane™ after Single Injection into the Rabbit Knee by Edsman, Katarina, Hjelm, Roland, Lärkner, Helena, Nord, Lars I., Karlsson, Anders, Wiebensjö, Åsa, Höglund, A. Urban, Kenne, Anne Helander, Näsström, Jacques

“…Objective: The aim of the present study was to investigate the intra-articular duration of Durolane™ in a rabbit model to allow comparison between Durolane™…”
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Proof of principle of a generalized fuzzy Hough transform approach to peak alignment of one-dimensional ¹H NMR data by Csenki, Leonard, Alm, Erik, Torgrip, Ralf J. O, Åberg, K. Magnus, Nord, Lars I, Schuppe-Koistinen, Ina, Lindberg, Johan

“…In metabolic profiling, multivariate data analysis techniques are used to interpret one-dimensional (1D) ¹H NMR data. Multivariate data analysis techniques…”
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Quantification of Organic and Amino Acids in Beer by 1H NMR Spectroscopy by Nord, Lars I, Vaag, Pia, Duus, Jens Ø

“…The quantification of organic and amino acids in beer using 1H NMR spectroscopy is demonstrated. Quantification was made both by integration of signals in the…”
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Method for differential detection and identification of components in protein mixtures analyzed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry by Ossipova, Elena, Nord, Lars I., Kenne, Lennart, Eriksson, Jan

“…We demonstrate that the semi‐quantitative information in matrix‐assisted laser desorption/ionization time‐of‐flight (MALDI‐TOF) mass spectra of tryptically…”
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Structural classification of Quillaja saponins by electrospray ionization ion trap multiple-stage mass spectrometry in combination with multivariate analysis, proof of concept by Bankefors, Johan, Nord, Lars I., Kenne, Lennart

“…MS 2 and MS 3 spectra of thirteen previously identified saponin structures from Quillaja saponaria Molina were obtained by electrospray ionization ion trap…”
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Modification and cross-linking parameters in hyaluronic acid hydrogels—Definitions and analytical methods by KENNE, Lennart, GOHIL, Suresh, NILSSON, Eva M, KARLSSON, Anders, ERICSSON, David, HELANDER KENNE, Anne, NORD, Lars I

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Separation and structural analysis of saponins in a bark extract from Quillaja saponaria Molina by Nord, Lars I., Kenne, Lennart

“…Six major saponins were isolated from a bark extract from Quillaja saponaria Molina. Solid-phase extraction, followed by a two-step reversed-phase HPLC…”
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Quantification of Organic and Amino Acids in Beer by 1 H NMR Spectroscopy by Nord, Lars I., Vaag, Pia, Duus, Jens Ø.

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Multivariate analysis of [formula omitted] NMR spectra for saponins from Quillaja saponaria Molina by Nord, Lars I., Kenne, Lennart, Jacobsson, Sven P.

“…The bark of the South American tree Quillaja saponaria Molina contains at least 100 different saponin structures. A set of known structures were classified by…”
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