Dr. Yoshikuni TERAMOTO
Associate Professor
Division of Forest and Biomaterials Science, Graduate School of Agriculture
Kyoto University
Topics
Mid-infrared spectroscopy and machine learning for non-destructive detection of potential deterioration of wood coatings
By combining mid-infrared spectroscopy and machine learning, we have demonstrated a groundbreaking method to non-destructively detect invisible (latent) deterioration in wood coatings. This research identifies subtle changes that are undetectable by traditional methods and paves the way for sustainable wood conservation. It is a key step towards using wood smarter and longer by maximizing the lifespan of materials and ensuring cost-effective maintenance.
(Selected for the front cover)
Mid-Infrared Spectroscopy and Machine Learning for Nondestructive Detection of Inapparent Deterioration in Acrylic Waterborne Coatings for Wood
Yoshikuni Teramoto, Takumi Ito, Chihiro Yamamoto, Toshiyuki Takano, Hironari Ohki
Liquid crystal microspheres spontaneously formed by cellulose derivatives
Molecular liquid crystal microspheres of cellulose derivatives were prepared for the first time in a clear form by graft copolymerizing block copolymers made by reversible addition fragmentation chain transfer (RAFT) polymerization to hydroxypropyl cellulose.
Topological Transition in Spontaneously Formed Cellulosic Liquid-Crystalline Microspheres in a w/o Emulsion
Arindam Chakrabarty , Kazuma Miyagi, Monali Maiti, and Yoshikuni Teramoto*
Profitable Mass-Production of Acid-Modified Recovered Resins for Value-Added Mechanical Recycling as a Compatibilizer for Composites
We converted commercially recovered resin into compatibilizer of filler-filled plastic composite materials (upgraded to 10 times worth) and built a production system that can be used industrially.
Profitable Mass-Production of Acid-Modified Recovered Resins for Value-Added Mechanical Recycling as a Compatibilizer for Composites
Yuta Sunaga, Shinji Ogoe, Kenji Aoki, Hirokazu Ito, and Yoshikuni Teramoto*
Application of cellulose nanofibers as micro-fluidic paper analytical device (μPAD) module
Utilizing the oxygen barrier property and thixotropy of TEMPO oxidized cellulose nanofiber (TOCN), we demonstrated stable storage capability for unstable molecules as well as inkjet printing ability of TOCN, respectively, and constructed semi-quantitative μPAD for organic phosphorus pesticide.
Cellulose Nanofibers as a Module for Paper-Based Microfluidic Analytical Devices: Labile Substance Storage, Processability, and Reaction Field Provision and Control
Rina Murase, Sally Kondo, Takeo Kitamura, Yohsuke Goi, Masayuki Hashimoto, and Yoshikuni Teramoto*
We published a review article on the combination of nanocellulose and polymer
This review covers more than 250 publications, mainly about 6 years of paper till 2018 regarding composites of nanocellulose (nanocrystal (CNC)/nanofiber (CNF)) with synthetic polymers.
Recent Advances in Nanocellulose Composites with Polymers: A Guide for Choosing Partners and How to Incorporate Them
Arindam Chakrabarty and Yoshikuni Teramoto*
Polymers 2018, 10(5), 517; doi:10.3390/polym10050517
Achieve dual mechanochromism of cellulose derivative liquid-crystalline fixed film at room temperature
We have found that propionylated hydroxypropyl cellulose type cholesteric liquid crystal film exhibits dual mechanochromism even at room temperature.
Exploration of immobilization conditions of cellulosic lyotropic liquid crystals in monomeric solvents by in situ polymerization and achievement of dual mechanochromism at room temperature
K. Miyagi and Y. Teramoto*
Dual mechanochromism of cellulose derivative liquid-crystalline immobilized film
We have found that ethyl cellulose cholesteric liquid crystal film not only changes color tones over a wide range due to mechanical stimulus but also shows inversion of circular dichroism. This paper was adopted as "Inside back cover" of Journal of Materials Chemistry C.
Dual mechanochromism of cellulosic cholesteric liquid-crystalline films: wide-ranging colour control and circular dichroism inversion by mechanical stimulus
K. Miyagi and Y. Teramoto*
Chitinous micro-patterning cell culture substrates
Focusing on the fact that the dimensions of structural polysaccharide nanocrystals (NC) are equivalent to that of general inkjet ink pigment (~100 nm), we performed inkjet printing of NC. By ink-jet printing chitinous NC rich in cell adhesiveness on an appropriate substrate, it is possible to induce an adherent form of animal cells according to the obtained NC micro pattern shape. It can be applied to shape control of cellular tissues, monitoring of life science events, drug screening, etc.
Simple Inkjet Process To Fabricate Microstructures of Chitinous Nanocrystals for Cell Patterning
Shuntaro Suzuki and Yoshikuni Teramoto*
Highly-stretchable/temperature-responsive hydrogel based on cellulose nanofibers
We can modify the surface of cellulose nanofiber (CNF), which has attracted attention in recent years, to achieve both high dispersion to water and polymerizability. When a water-soluble vinyl monomer coexists there to be polymerized, the modified CNF acts as high-density crosslinking points and is effectively incorporated into the vinyl polymer network. Although water occupies 90 wt% or more of the obtained gels, it is possible to stretch them more than 20 times like rubber.
Stretchable composite hydrogels incorporating modified cellulose nanofiber with dispersibility and polymerizability: Mechanical property control and nanofiber orientation
Ryosuke Kobe, Shinichiro Iwamoto, Takashi Endo, Kouzou Yoshitani, YoshikuniTeramoto*
Elucidation of behavior of compatibilizer in biomass filler/polymer composites
We are elucidating how compatibilizer in filler-reinforced plastic composites such as wood plastic composite (WPC) works by means of spectroscopy and thermal analysis.
Direct spectroscopic detection of binding formation by kneading of biomass filler and acid-modified resin
Saori Niwa, Yasuko Saito, Mizuki Ito, Shinji Ogoe, Hirokazu Ito, Yuta Sunaga, Kenji Aoki, Takashi Endo, Yoshikuni Teramoto*