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Nagao Lab
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A lab that assembles fine particles of uniform size like building blocks.

AboutAbout the lab
Assembling nanomaterials with the right part in the right place
The Nagao Lab studies methods of building new materials by assembling fine particles of uniform size.
Until now, the development of functional materials has mainly been approached at the scale of atoms and molecules.
In this lab, particles from several tens of nanometers to about 1 μm are treated as if they were atoms and molecules and arranged in two or three dimensions.
The aim is to bring out, with this approach, functions that cannot be obtained by simply mixing atoms and molecules.
Key terms
- Fine particle
- A particle too small to see. Here, one roughly several tens of nanometers to 1 μm in size
- Building block
- A part used to assemble a material. Here, fine particles of uniform size
- Colloidal crystal
- A crystal-like structure formed when fine particles are arranged in a regular pattern
NewsLab news
A paper has been accepted for publication in Langmuir
A paper has been accepted for publication in Chemical Engineering Journal Advances
A master's student received the Best Presentation Award at the 28th Advanced Research Presentation Meeting
A master's student received the Student Award at the 48th Annual Meeting of the Membrane Society of Japan
Assistant Professor Kanako Watanabe received the Research Encouragement Award from the Miyagi Industrial Science Promotion Foundation
ResearchResearch themes
The lab regards fine particles whose size, shape, and chemical composition are precisely controlled as the components of materials (building blocks). It develops new ways of making materials, working on both the processes that produce those particles and the processes that gather and arrange them at targeted locations.
*Illustrative imageBuilding block engineering
Fine particles uniform in size, shape, and composition are regarded as material components, and new functions are drawn out of their assemblies. The lab develops processes for gathering and arranging particles at targeted locations, using not only the natural tendency of particles to self-organize but also external forces such as electric and magnetic fields.
*Illustrative imageSynthesizing fine particles in liquid
The lab studies processes for synthesizing functional fine particles of uniform size and shape in liquid. Because particle properties depend greatly not only on size and chemical composition but also on surface features and particle shape, the lab develops liquid-phase processes that can control even the surface state.
*Illustrative imageGathering and arranging fine particles
The lab studies processes for gathering the building blocks it has made and arranging them in an ordered way. Just as the arrangement of atoms determines the properties of a crystal, the three-dimensional arrangement of particles is a key factor determining the properties of colloidal crystals.
*Illustrative imageNanoparticles from molecular assembly
The lab studies processes in which lipid molecules are used as building blocks to form molecular assemblies in water. These assemblies are nanoparticles with a hierarchical membrane structure inside; the lab uses them as carriers in drug delivery systems and develops new gel materials by assembling the particles further.
MembersFaculty
The Nagao Lab consists of faculty members, administrative assistants, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorDaisuke Nagao
- Associate ProfessorKeishi Suga
- Assistant ProfessorKanako Watanabe
- Assistant ProfessorTom WELLING
- Assistant ProfessorHikaru Namigata
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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: “Colloid lithography, artificial opal, polystyrene” Simpik / CC BY-SA 4.0 (cropped)
- Building block engineering: “ColloidCrystal 40xBrightField GlassInWater” Zephyris / CC BY-SA 3.0 (cropped)
- Synthesizing fine particles in liquid: “Silica Nanoparticles” Wikicristof / CC BY-SA 4.0 (cropped)
- Gathering and arranging fine particles: “Boulder opal” Tiia Monto / CC BY-SA 3.0 (cropped)
- Nanoparticles from molecular assembly: “Phosphatidylcholine liposomes at phase-contrast microscopy” ArkhipovSergey / CC BY-SA 4.0 (cropped)
- Related lab (Kasai Lab): “EFluor Nanocrystal Vials” Travis.jennings / CC BY 3.0 (cropped)
- Related lab (Yin Lab): “Such different zinc oxide - nanowalls” Andrey P. Tarasov / CC BY 4.0 (cropped)
- Related lab (Tomai Lab): “Critical carbon dioxide-3” Bernhard Kuemel、Regi51 / CC BY-SA 2.0 at (cropped)
- Related lab (Aoki Lab): “Combustor-Temp-Plane” Atif Masood (FetchCFD) / CC BY 4.0 (cropped)
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