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Sekino Lab
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A lab that develops medical devices using magnetic fields to detect disease and treat patients in ways that are gentle on the body.
AboutAbout the lab
Next-generation medical devices built on electromagnetic fields.
The Sekino Lab researches next-generation medical devices that make use of electromagnetic fields.
Magnetic fields reach deep into the body without weakening and involve no radiation exposure like X-rays, making it possible to image the inside of the body clearly.
Treatments that use pulsed magnetic fields to stimulate nerves in the brain and relieve conditions such as chronic pain are also becoming established.
The lab studies technologies for detecting disease early and treating it in ways that are gentle on the body, incorporating AI as well.
Key terms
- MRI
- A device that uses a strong magnetic field and radio waves to create cross-sectional images of the inside of the body. It involves no radiation exposure like X-rays
- Pulsed magnetic field
- A strong magnetic field generated for only a very short time. It can induce currents inside the body and stimulate nerves
- Sentinel lymph node
- The first lymph node that cancer cells reach as they travel through the lymphatic flow. It serves as a marker for checking whether metastasis has occurred
ResearchResearch themes
The lab researches medical devices for the early detection of disease and for treatment that is gentle on the body, using the properties of electromagnetic fields such as magnetic fields and electric currents. Its work covers new MRI measurement methods, magnetic stimulation of the brain, and magnetic sensors for diagnosing nerve conditions and cancer.
*Illustrative imageMRI that images the body's electrical properties
The lab researches new MRI measurement methods that turn the body's electrical properties, such as electric current, magnetic fields, and electrical conductivity, into images. It has succeeded in functional brain imaging that picks up the weak magnetic fields produced by neural activity, and in imaging the electrical conductivity of biological tissue.
*Illustrative imageTreatment that stimulates the brain with magnetic fields
The lab researches diagnostic and therapeutic methods in which a coil placed on the head emits pulsed magnetic fields, and the currents induced inside the brain stimulate nerves. It designs coils using numerical analysis, and also works with other universities and companies to develop compact devices that can be used at home.
*Illustrative imageUltra-sensitive sensors for measuring the magnetic fields of nerves
The lab researches ultra-sensitive magnetic sensors that can detect the extremely weak magnetic fields generated by neural activity.
*Illustrative imageMagnetic sensors for examining cancer metastasis
The lab researches magnetic sensors used to diagnose cancer metastasis. It also works on using a magnetic probe to locate sentinel lymph nodes.
MembersFaculty
The members of the Sekino Lab consist of faculty, specialized staff, and doctoral, master's, and undergraduate students.As of 2025
- ProfessorMasaki SekinoPublications ↗
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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: “Ferrofluid in magnetic field” Steve Jurvetson / CC BY 2.0 (cropped)
- MRI that images the body's electrical properties: “MRI head side” en:User:TheBrain / CC BY-SA 3.0 (cropped)
- Treatment that stimulates the brain with magnetic fields: “Transcranial magnetic stimulation” Eric Wassermann, M.D. / Public domain (cropped)
- Ultra-sensitive sensors for measuring the magnetic fields of nerves: “Field lines around magnets” Tangopaso / Public domain (cropped)
- Magnetic sensors for examining cancer metastasis: “Iron oxide nanoparticles after centrifugation” Ihor Panas / CC BY-SA 4.0 (cropped)
- Related lab (Someya-Jimbo Lab): “Stretchable Electronics” Steve Jurvetson from Menlo Park, USA / CC BY 2.0 (cropped)
- Related lab (Matsui Lab): “Nanoscale Plasmonic Resonator Structures ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Ozeki Lab): “Ti Sapph YAG supercontinnum” Neath g / CC BY-SA 4.0 (cropped)
- Related lab (Tanaka-Ohya-Nakane-Le Lab): “Molecular-beam epitaxy system at LAAS 0514” Guillaume Paumier (user:guillom) / CC BY-SA 3.0 (cropped)
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