Tokyo Institute of Technology · Materials Science
Professor Mitsuru Itoh's research lab specializes in condensed matter physics and bioactive peptide science, focusing on the emergence of ferroelectricity in complex oxide perovskites like SrTiO₃ through isotope engineering, and the investigation of α-cluster states in light nuclei using inelastic α-scattering. The lab also explores the biological functions of protein-derived peptides, particularly antihypertensive activities from porcine muscle proteins. These diverse research directions span from fundamental quantum phenomena in oxides to translational applications in health and nutrition.
Figures are computed from collected data and may differ slightly.
Ferroelectricity was induced in $\mathrm{SrTiO}{}_{3}$ by the isotope exchange of ${}^{18}\mathrm{O}$ for ${}^{16}\mathrm{O}$. Dielectric measurements confirmed the ferroelectricity of $\mathrm{SrTi}{}^{18}\mathrm{O}{}_{3}$, showing a peak at 23 K. A hysteresis loop in the $D$ vs $E$ measurement and TO phonon observed in the Raman spectra supported the evolution of ferroelectricity in $\mathrm{SrTi}{}^{18}\mathrm{O}{}_{3}$. This is the first demonstration of $\mathrm{SrTi}\mathrm{O}{}_{3}$ becom
Inelastic scattering from ${}^{12}$C has been measured at extremely forward angles including 0 ${}^{\ensuremath{\circ}}$ using 386 MeV $\ensuremath{\alpha}$ particles to study the $\ensuremath{\alpha}$-cluster states around ${E}_{x}$ $\ensuremath{\sim}$ 10 MeV, especially the 2${}^{+}$ state predicted by the $\ensuremath{\alpha}$-cluster model. We have analyzed ($\ensuremath{\alpha}$,${\ensuremath{\alpha}}^{\ensuremath{'}}$) cross-section data using both peak-fitting and multipole decomposition
ABSTRACT: Antihypertensive activities derived from porcine skeletal muscle proteins were investigated. Thermolysin hydrolysates of porcine muscle water‐insoluble proteins demonstrated antihypertensive activities in spontaneously hypertensive rats when administrated in single oral doses. Hydrolysates of porcine myosin and peptides (Met‐Asn‐Pro‐Pro‐Lys, Ile‐Thr‐Thr‐Asn‐Pro, Met‐Asn‐Pro, Pro‐Pro‐Lys) with parts of the sequence of myosin showed antihypertensive activities. This is the first report o
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