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- Publications
- Influence
Enzymatic saccharification of Eucalyptus bark using hydrothermal pre-treatment with carbon dioxide.
- Yasuyuki Matsushita, K. Yamauchi, +7 authors K. Fukushima
- Chemistry, Medicine
- Bioresource technology
- 1 July 2010
In this study, saccharification of the inner bark of Eucalyptus was carried out by enzymatic hydrolysis to produce bioethanol from non-food biomass. To enhance the accessibility of the enzyme to the… Expand
Preparation and evaluation of lignosulfonates as a dispersant for gypsum paste from acid hydrolysis lignin.
- Yasuyuki Matsushita, Seiichi Yasuda
- Chemistry, Medicine
- Bioresource technology
- 1 March 2005
In order to effectively utilize a by-product of the acid saccharification process of woody materials, the chemical conversion of guaiacyl sulfuric acid lignin (SAL), one of the acid hydrolysis… Expand
Direct mapping of morphological distribution of syringyl and guaiacyl lignin in the xylem of maple by time-of-flight secondary ion mass spectrometry.
- Kaori Saito, Y. Watanabe, +7 authors K. Fukushima
- Biology, Medicine
- The Plant journal : for cell and molecular…
- 1 February 2012
Lignin, one of the main structural polymer of plant cell walls, varies in amount and monomeric composition among tissue and cell types, as well as among plant species. However, few analytical methods… Expand
Discriminating the indistinguishable sapwood from heartwood in discolored ancient wood by direct molecular mapping of specific extractives using time-of-flight secondary ion mass spectrometry.
- Kaori Saito, T. Mitsutani, T. Imai, Yasuyuki Matsushita, K. Fukushima
- Chemistry, Medicine
- Analytical chemistry
- 31 January 2008
A new method that can chemically discriminate the visually indistinguishable sapwood from heartwood in discolored woods is presented in this paper. Discriminating between sapwood and heartwood, which… Expand
Preparation and Characterization of Amphiphilic Lignin Derivatives as Surfactants
- H. Homma, S. Kubo, T. Yamada, Yasuyuki Matsushita, Y. Uraki
- Chemistry
- 2 December 2008
Abstract Acetic acid lignin (AL), one of the organosolv lignins, was modified by polyoxyethylation using commercially available polyethylene glycol diglycidylethers (PEGDE) having various chain… Expand
Conversion of Technical Lignins to Amphiphilic Derivatives with High Surface Activity
- H. Homma, S. Kubo, T. Yamada, Keiichi Koda, Yasuyuki Matsushita, Y. Uraki
- Chemistry
- 12 May 2010
Abstract To make use of technical lignins as a nonionic polymeric surfactant, we have already reported the modification of acetic acid lignin (AL) to amphiphilic derivatives by polyoxyethylation… Expand
Ready chemical conversion of acid hydrolysis lignin into water-soluble lignosulfonate II: Hydroxymethylation and subsequent sulfonation of phenolized lignin model compounds
- Seiichi Yasuda, Eri Hamaguchi, Yasuyuki Matsushita, H. Goto, T. Imai
- Chemistry
- Journal of Wood Science
- 1 April 1998
Highly condensed lignin can be transformed by three reactions — phenolation, hydroxymethylation, and neutral sulfonation — to water-soluble lignosulfonate. To elucidate reactivities and products in… Expand
Formation and chemical structures of acid-soluble lignin II: reaction of aromatic nuclei model compounds with xylan in the presence of a counterpart for condensation, and behavior of lignin model…
- Yasuyuki Matsushita, A. Kakehi, S. Miyawaki, Seiichi Yasuda
- Chemistry
- Journal of Wood Science
- 1 April 2004
To elucidate the formation and chemical structures of water-soluble material in acid-soluble lignin (ASL), lignin aromatic nuclei model compounds of creosol (I) and 5-methoxycreosol (II) were reacted… Expand
Conversion of technical lignins to functional materials with retained polymeric properties
- Yasuyuki Matsushita
- Materials Science
- Journal of Wood Science
- 4 April 2015
A significant amount of technical lignins is produced in the pulp and paper industries. However, most technical lignins are burned for thermal recycling and a few percent are used as materials, such… Expand
The cryo‐TOF‐SIMS/SEM system for the analysis of the chemical distribution in freeze‐fixed Cryptomeria japonica wood
- Katsushi Kuroda, T. Fujiwara, +4 authors K. Fukushima
- Chemistry
- 2013
Initially, we investigated the distribution of chemicals in dried wood samples using a standard TOF-SIMS and obtained two-dimensional images of chemical distribution in various wood samples. However,… Expand