Search Results - "Lundquist, Knut"

Large‐scale top‐down proteomics of the Arabidopsis thaliana leaf and chloroplast proteomes by Wang, Qianjie, Sun, Liangliang, Lundquist, Peter Knut

“…We present a large‐scale top‐down proteomics (TDP) study of plant leaf and chloroplast proteins, achieving the identification of over 4700 unique proteoforms…”
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Lignins: Natural polymers from oxidative coupling of 4-hydroxyphenyl- propanoids by Ralph, John, Lundquist, Knut, Brunow, Gösta, Lu, Fachuang, Kim, Hoon, Schatz, Paul F., Marita, Jane M., Hatfield, Ronald D., Ralph, Sally A., Christensen, Jørgen Holst, Boerjan, Wout

“…Lignins are complex natural polymers resulting from oxidative coupling of, primarily, 4-hydroxyphenylpropanoids. An understanding of their nature is evolving…”
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Different types of phenolic units in lignins by Lundquist, Knut, Parkås, Jim

“…The influence of cross-linking and branching on the number of interconnections between lignin units and the number of end groups (phenolic and non-phenolic) in…”
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Oxidation of the erythro and threo forms of the phenolic lignin model compound 1-(4-hydroxy-3-methoxyphenyl)-2-(2-methoxyphenoxy)-1,3-propanediol by laccases and model oxidants by Bohlin, Christina, Lundquist, Knut, Jönsson, Leif J.

“…Diastereomers of a phenolic lignin model were used to investigate the stereo-preference of enzymic and non-enzymic oxidants. With phenolic substrates rather…”
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The stereochemistry and conformation of lignin as judged by X-ray crystallographic investigations of lignin model compounds: Arylglycerol beta-guaiacyl ethers by Langer, Vratislav, Lundquist, Knut, Parkås, Jim

“…The conformations of a variety of crystalline lignin models representing different diastereomeric forms of structural elements in lignin of the arylglycerol…”
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Fractionation of processed spruce wood obtained in the production of ethanol by Johansson, Christian, Lundquist, Knut, Theliander, Hans

“…Fuel ethanol can be produced from pretreated spruce wood through enzymatic hydrolysis and fermentation. Processed spruce wood samples (acid-catalyzed steam…”
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Conformation of 1-aryl-2-aryloxy-1-propanols: threo-1-(4-hydroxy-3-methoxyphenyl)-2-(2-methoxyphenoxy)-1-propanol by Langer, Vratislav, Li, Shiming, Lundquist, Knut

“…The title compound, C17H20O5, (I), is structurally related to naturally occurring 1‐aryl‐2‐aryloxy‐1‐propanols. Such compounds are of interest as lignin…”
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Quantitative lignin analysis based on permanganate oxidation by Parkås, Jim, Brunow, Gosta, Lundquist, Knut

“…Qualitative lignin analysis relies rather much on studies of lignin degradation products. As concerns precise quantification of lignin’s composition such…”
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Reassignment of relative stereochemistry at C-7 and C-8 in arylcoumaran neolignans by Li, Shiming, Iliefski, Tommy, Lundquist, Knut, Wallis, Adrian F.A.

“…1H NMR spectral characteristics of synthetic trans and cis arylcoumarans and their acetates which are related to 8-5′ neolignans are given. This information is…”
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Revised structure for a neolignan from Brucea javanica by Li, Shiming, Lundquist, Knut, Wallis, Adrian F.A

“…On the basis of 1H and 13C NMR spectral comparison with natural and synthetic compounds, the neolignan isomers isolated from Brucea javanica for which unusual…”
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Biological pretreatment of lignocelluloses with white-rot fungi and its applications: A review by Isroi, Millati, Ria, Syamsiah, Siti, Niklasson, Claes, Cahyanto, Muhammad Nur, Lundquist, Knut, Taherzadeh, Mohammad J.

“…Lignocellulosic carbohydrates, i.e. cellulose and hemicellulose, have abundant potential as feedstock for production of biofuels and chemicals. However, these…”
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Proof of the presence of racemic forms of arylglycerol-beta-aryl ether structure in lignin: Studies on the stereo structure of lignin by ozonation by Akiyama, T. (Tokyo Univ. (Japan)), Magara, K, Matsumoto, Y, Meshitsuka, G, Ishizu, A, Lundquist, K

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Application of Two-Dimensional NMR Spectroscopy to Wood Lignin Structure Determination and Identification of Some Minor Structural Units of Hard- and Softwood Lignins by Kilpelaeinen, Ilkka, Sipilae, Jussi, Brunow, Goesta, Lundquist, Knut, Ede, Richard M

“…Two-dimensional NMR techniques, homonuclear Hartmann-Hahn (HOHAHA), and 1H-detected multiple quantum 1H-13C correlation spectroscopy were applied to hard- and…”
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Revisiting the Mechanism of β - O -4 Bond Cleavage During Acidolysis of Lignin. Part 3: Search for the Rate-Determining Step of a Non-Phenolic C 6 -C 3 Type Model Compound by Ito, Hiroaki, Imai, Takaaki, Lundquist, Knut, Yokoyama, Tomoya, Matsumoto, Yuji

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5,5′-Bis(hydroxymethyl)-3,3′-dimethoxybiphenyl-2,2′-diol with a new three-dimensional 3-modal topology of synthons by Langer, Vratislav, Lundquist, Knut

“…The title lignin model compound, C16H18O6, resides on a twofold axis parallel with the b axis, with the mid‐point of the internal C—C(−x + 1, y, −z + ) bond…”
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5,5'-Bis(hydroxymethyl)-3,3'-dimethoxybi phenyl-2,2'-diol with a new three-dimensional 3-modal topology of synthons by Langer, Vratislav, Lundquist, Knut

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Important Issues and Results from Knut Lundquist's Lignin Research at Chalmers by Lundquist, Knut, Parkås, Jim

“…This is a manuscript originally written by Knut Lundquist and Jim Parkås in a more popular science spirit on topics in lignin chemistry where Knut and Chalmers…”
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Absolute Configuration of β- and α-Asymmetric Carbons within β-O-4-Structures in Hardwood Lignin by Akiyama, Takuya, Magara, Kengo, Meshitsuka, Gyosuke, Lundquist, Knut, Matsumoto, Yuji

“…In this study, we investigated the proportion of erythro- and threo -forms of β-O-4-ether structures and their enantiomeric compositions in hardwood lignin by…”
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Absolute Configuration of [beta]- and [alpha]-Asymmetric Carbons within [beta]-O-4-Structures in Hardwood Lignin by Akiyama, Takuya, Magara, Kengo, Meshitsuka, Gyosuke, Lundquist, Knut, Matsumoto, Yuji

“…In this study, we investigated the proportion of erythro- and threo-forms of [beta]-O-4-ether structures and their enantiomeric compositions in hardwood lignin…”
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Absolute Configuration of [Beta]- and [Alpha]-Asymmetric Carbons within [Beta]-O-4-Structures in Hardwood Lignin by Akiyama, Takuya, Magara, Kengo, Meshitsuka, Gyosuke, Lundquist, Knut, Matsumoto, Yuji

“…In this study, we investigated the proportion of erythro- and threo-forms of β-O-4-ether structures and their enantiomeric compositions in hardwood lignin by…”
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