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Supramolecular Functional Chemistry Lab
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A lab that creates new materials by combining biomacromolecules such as antibodies with synthetic molecules.
AboutAbout the lab
Supramolecular synthesis and functionalization using biomacromolecules
The Supramolecular Functional Chemistry Lab aims to create functional materials that combine the strengths of each component by hybridizing biomacromolecules with synthetic polymers and small molecules.
The lab uses monoclonal antibodies in particular as the biomacromolecules.
The lab extracts the key points of biomolecular structures and designs and synthesizes molecules and polymers that take over their roles.
Recently, the lab has also been working on sulfur-containing polymers made from sulfur, a surplus resource.
Key terms
- Supramolecule
- A structure formed when multiple molecules combine through bonds other than covalent bonds (noncovalent bonds)
- Monoclonal antibody
- A type of antibody, a biomacromolecule that binds specifically and strongly to a target molecule
- Photoinduced electron transfer
- A phenomenon in which, when light is applied, an electron moves from a molecule that donates electrons to a molecule that accepts them
NewsLab news
Paper on sulfur-containing polymers accepted by Macromolecular Rapid Communications
Review article by Project Assistant Professor accepted by the Journal of the Society of Rubber Science and Technology, Japan
Master's student wins Excellent Presentation Award at the Symposium of the Green Chemistry Study Group of the Society of Polymer Science, Japan
Paper by doctoral student published in Nature Communications
Paper on supramolecular sulfur-containing polymers wins the Paper Award of the Adhesion Society of Japan
ResearchResearch themes
Inside living organisms, advanced and specific functions arise from various intramolecular and intermolecular interactions. This lab aims to combine biomacromolecules (especially monoclonal antibodies) with synthetic polymers and small molecules to create supramolecules and materials with new functions.
*Illustrative imageSupramolecules Built from Antibodies
As an example of its research, the lab presents the synthesis of dendritic supramolecules in which antibodies serve as single units linked by antigen–antibody reactions. These are giant noncovalent assemblies with molecular weights above 2 million, and their structure has been observed by atomic force microscopy.
*Illustrative imageEnergy Conversion by Moving Electrons with Light
The lab presents an example in which photoinduced electron transfer is promoted in a complex with an antibody that binds porphyrin. There is also an example in which this complex was used as a photosensitizer, together with platinum colloid, to build a hydrogen evolution system.
*Illustrative imageSupramolecular Catalysts from Antibodies and Metal Complexes
The lab presents examples of complexes in which a porphyrin metal complex is bound to an antibody and catalyzes the oxidation of specific substances such as pyrogallol. In another example, an antibody was raised against a rhodium complex, which does not exist in living organisms, and the resulting complex was used to carry out a hydrogenation reaction.
*Illustrative imageStimuli-Responsive Supramolecular Materials
The lab presents examples including a system in which gel adhesion and dissociation can be switched by light irradiation, and a material crosslinked by hydrogen bonds and metal–ligand interactions that shows self-healing and shape-memory properties.
MembersFaculty
The members of the Supramolecular Functional Chemistry Lab consist of faculty, a Project Assistant Professor, project researchers, a project academic policy researcher, technical assistants, administrative staff, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorHiroyasu Yamaguchi
- Assistant ProfessorYuichiro Kobayashi
- Project Assistant ProfessorTaisho Yamawaki
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Antibody je2-gl” Je at uwo / CC0 (cropped)
- Supramolecules Built from Antibodies: “Supramolecular photochemistry-2” Еремин Вадим Владимирович? / CC BY-SA 3.0 (cropped)
- Energy Conversion by Moving Electrons with Light: “Single crystal of 5,10,15,20-tetrakis(4-ethoxycarbonylphenyl)porphine” Leiem / CC BY-SA 4.0 (cropped)
- Supramolecular Catalysts from Antibodies and Metal Complexes: “Antibody IgG1 surface” Tokenzero / CC BY-SA 4.0 (cropped)
- Stimuli-Responsive Supramolecular Materials: “Superabsorber Hydrogel KSG 2917 pK” Petra Klawikowski / CC BY-SA 3.0 (cropped)
- Related lab (Bioinorganic Chemistry Lab): “Mo active site” Swiftie1999 / CC BY-SA 4.0 (cropped)
- Related lab (Cellular Life Science Lab): “Mitochondria in living HeLa cells” 8x57is / CC BY-SA 4.0 (cropped)
- Related lab (Parasitology Lab): “Plasmodium falciparum gametocyte” Microrao / CC BY-SA 4.0 (cropped)
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