We held a welcome party for our new B4 students, new M1 student, and researcher.

We presented the following research findings at the 73rd JSAP Spring Meeting, held at the Ookayama Campus, Institute of Science Tokyo, Tokyo, Japan, and online.

・Kakeru Komino “Concentration Dependence of Phase-Separated Self-Assembly of Two Peptides on h-BN Surfaces” (Oral Presentation)

・Asahi Yu “Self-Assembly of Histidine-Containing Peptides in the Presence of Metal Ions” (Oral Presentation)）

・Takuma Kamioka “Electrical Measurement of PAsp–PLL Interactions Using an Extended-Gate FET” (Oral Presentation)

・Nanase Ikeda “In Situ Observation of Peptide Crystallization by Raman Spectroscopy and Evaluation of Concentration-Dependent Spectral Changes” (Oral Presentation)

・Mariko Sato “Evaluation of the Airborne Sensing Performance of Peptide-Modified Graphene Odor Sensors” (Oral Presentation)

・Risa Suzuki “Evaluation of Chemical Doping in Self-Assembled Peptide-Modified MoS₂ by Raman Mapping” (Oral Presentation)

General Symposium, held at the Noyori Conference Hall, Nagoya University, Nagoya, Japan.

・Marie Sugiyama “Visualizing the Reaction Activity of Biomolecule-Modified Graphitic Surfaces using Electrochemiluminescence” (Oral Presentation)

・Yuito Takahashi “Adsorption of Sodium Cholate on Graphite Surfaces and Its Influence on Molecular Self-Assembly” (Oral Presentation)

We welcomed a new Researcher, Dr. Homma.

We presented the following research findings at the Nagoya University VBL Symposium, held at the D Center Hall, 3rd Floor, VBL Building, D Center, Nagoya University, Nagoya, Japan.

・Yuhei Hayamizu（Invited Talk）

We presented the following research findings at the International Conference on Bottom-up Biotechnology for Understanding and Engineering Living Systems 2025, held at the Sydney Brenner Lecture Theater (Seminar Room B250), Okinawa Institute of Science and Technology (OIST), Japan.

・Soichiro Kato “Preparation of Supported Lipid Bilayers Using Peptides Self-Assembled on Surface” (Oral Presentation)

・Takuma Kamioka “Electrochemical measurement of Complex Coacervation with Extended-Gate FET” (Oral Presentation)

・Kakeru Komino “Phase-Separated Self-Assembly of Two Distinct Peptides on Two-Dimensional Materials” (Oral Presentation)

・Nanase Ikeda “Concentration-Dependent Raman Analysis of Short Peptides Toward Understanding Crystallization Processes” (Oral Presentation)

We presented the following research findings at the 16th International Conference on Recent Progress in Graphene and 2D Materials Research (RPGR2025), held at the Toyama International Conference Center, Toyama, Japan.

・Yumie Nishiyama “Site-Selective Doping of MoS2 by Self-Assembled Peptides Visualized by Raman Mapping” (Oral Presentation)

We presented the following research findings at the 2025 IEEE International Conference on Device Technologies for Diversified Applications (IEEE DTDA 2025), held at TKP Garden City Premium Sendai West Exit, Sendai, Japan.

・Yuhei Hayamizu “Peptide-functionalized Two-dimensional Materials for Biosensing” （Invited Talk）

We presented the following research findings at the 15th Nanocarbon Bio Symposium (FNTG Satellite Symposium), held at Academia Sinica R504, National Taiwan University Campus, Taipei, Taiwan.

・Marie Sugiyama “Designing peptide sequences as scaffolds for immobilising electrochemically active cofactors” (Oral Presentation)

・Soichiro Kato “Preparation of supported lipid bilayer on two-dimensional nanomaterials modified with self-assembled peptides” (Oral Presentation)

・Taisei Takasuka “Peptide-rGO composites enabling chemoresisitive humidity sensing” (Oral Presentation)

・Yumie Nishiyama “Site-Selective Doping of MoS2 by Self-Assembled Peptides Visualized by Raman Mapping” (Oral Presentation)

・Yuito Takahashi “Self-Assembly of Histidine Containing Peptides on Graphite Modulated by Hydrophobic Amino Acid in the Sequence” (Oral Presentation)

・Asahi Yu “Self-assembly of histidine-containing peptides on graphite surfaces in the presence of metal ions” (Oral Presentation)

・Mariko Sato “Hierarchical Peptide?Hemin Assembly Induces Electron Doping in Graphene Biosensors” (Oral Presentation)

・Yuhei Hayamizu “Self-assembled peptides on 2D materials for electronic–biological signal conversion” (Invited Talk)

We presented the following research findings at the 86th JSAP Autumn Meeting, held at Meijo University Tempaku Campus (Nagoya, Japan) and online.

・Nanase Ikeda “Concentration-Dependent Raman Spectra of Peptide Aqueous Solutions for Observing the Crystallization Process of Peptides” (Oral Presentation)

・Kakeru Komino “Phase-Separated Self-Assembly of Two Different Peptides on Hexagonal Boron Nitride Surfaces” (Oral Presentation)

・Taisei Takasuka “Chemiresistive Water Vapor Sensing Using Peptide–rGO Composites” (Oral Presentation)

・Yuhei Hayamizu “Graphene Interface Modification Using Self-Assembled Peptides and Its Sensor Applications” (Oral Presentation)

We welcomed a new technical staff member, Ms. Adachi.

We welcomed a new Secretary member, Ms. Iwasaki.

We presented the following research findings at the 69th Fullerenes–Nanotubes–Graphene General Symposium (FNTG-69), held at National Taiwan Normal University, Taipei, Taiwan.

・Taisei Takasuka “Peptide-rGO composites enabling chemoresistive humidity sensing”

・Soichiro Kato “Fabrication of Supported Lipid Bilayer on 2D Nanomaterials Supported by Self-Assembled Peptides”

・Yumie Nishiyama “Site-Selective Doping of MoS₂ by Self-Assembled Peptides Visualized by Raman Mapping”

・Marie Sugiyama “Designing peptide sequences as scaffolds for immobilizing electrochemically active cofactors”

We presented the following research findings at the 72nd JSAP Spring Meeting, held at Institute of Science Tokyo.

・Kakeru Komino "Self-Assembly of Two Different Peptides on Graphite Surfaces (Nanobiotechnology Session)"

・Yuito Takahashi "Effects of pH Changes on (XH)₄ Peptide Monolayers on Graphite (Nanobiotechnology Session)"

At the 72nd JSAP Spring Meeting, Yuhei Hayamizu delivered an invited lecture entitled “Bio–Nano Interface Control and Biosensing on Two-Dimensional Material Surfaces Using Peptides.”

This lecture was presented in the special session “Frontiers of Biosensors and Two-Dimensional Materials Enabled by Nanotechnology.”

A paper by Marie Sugiyama, “Hierarchical Assembly of Hemin-Peptide Catalytic Systems on Graphite Surfaces,” has been published in ACS Nano.

A paper by Kantaro Kikuchi, “Graphene Biosensor Differentiating Sensitive Interactions between Ribonucleic Acid and Dipeptide Repeats in Liquid–Liquid Phase Separation,” has been published in ACS Applied Materials & Interfaces.

We welcomed a new technical staff member, Ms. Sato.

Kantaro Kikuchi gave an oral presentation entitled “Graphene Biosensors for Probing Molecular Interactions of Peptides and RNA Forming Liquid-Liquid Phase Separation” at the 2023 MRS Fall Meeting, held in Boston. (International Conference, Oral Presentation)

Our website has been renewed!

We welcomed two new technical staff members, Mr. Ishihara and Mr. Haraguchi, and held a welcome party for them.

Our new project was selected for the 2024 Strategic Basic Research Programs (CREST), and the project has started.

Strategic Objective: "Foundation Technologies for Utilizing Low-Dimensional Materials in New Semiconductor Device Structures"
Research Area: "Foundation Technologies for Utilizing Semiconductor Device Structures with Nanomaterials"
Research Supervisor: Dr. Riichiro Saito (Professor Emeritus, Tohoku University)

Exploration of Graphene-Based Biosensors with Peptide Interface Foundation Technology
Principal Investigator: Dr. Yuhei Hayamizu (Associate Professor, School of Materials and Chemical Technology, Insitute of Science Tokyo)

2024 Strategic Basic Research Programs (CREST) | New Research Topics and Evaluators | CREST (jst.go.jp)

We presented the following research findings at the 85th Japan Society of Applied Physics Autumn Meeting 2024, held at Toki Messe.

・Niina Uenodan “Stability evaluation of peptide self-assembled monolayers on graphite surfaces under electrochemical potential control”

・Asahi Yu “Self-assembly of the tetrapeptide HGHG on graphite surfaces”

・Marie Sugiyama “Hemin immobilization capability of self-assembled peptides on graphite electrode surfaces”

We presented the following research findings at the 67th Fullerenes–Nanotubes–Graphene General Symposium, held at Kochi University of Technology.

・Soichiro Kato “Formation of Lipid Membrane on h-BN Surface Assisted by Self-Assembled Peptides”

・Taisei Takasuka “Graphite-peptide composites for electrical sensing of water vapor”

・Yuito Takahashi “The influence of the solution pH for the self-assembly of (XH)4 peptides on graphite”

・Asahi Nagamine “Fabrication and Characterization of Peptide-modified Semiconducting Carbon Nanotube Thin Film Biosensor”