Deep-Sea Nanoscience Research Group

Our group actively work with other researchers both within JAMSTEC and elsewhere, incorporating physics and chemistry perspectives to apply an interdisciplinary approach to elucidating the structure and function of deep-sea and marine organisms as well as the physico-chemical processes in extreme deep-sea conditions. It also conducts R&D on engineering applications of such processes.

TOPICS

What´s New
FY2024
FY2023
FY2022
FY2021
FY2020
FY2019
FY2018

  • Employment Opportunities: Frontier Research Group, Project Technical Support Staff. More details.

FY2017
FY2016

  • Employment Opportunities: JAMSTEC, Postdoctoral Fellow Positions. More details.

  • Employment Opportunities: Research and Development (R&D) Center for Marine Biosciences, Postdoctral Researcher. More details.

  • Employment Opportunities: Research and Development (R&D) Center for Marine Biosciences, Postdoctral Researcher. More details.

  • Employment Opportunities: Research and Development (R&D) Center for Marine Biosciences, Scientist or Technical Scientist. More details.

FY2015

  • Employment Opportunities: JAMSTEC Postdoctoral Fellow Programme. More details.

  • Updated seminar information. More details.

FY2014

ABOUT RESEARCH

biomimetics

Biomimetics

Biomimetics, the development of technology that mimics nature, is said to hold promise of innovation on the same scale as the Industrial Revolution, and is expected to become a huge market worth 30 trillion yen by 2025. We conduct research on applying the unique structures and functions of deep-sea and marine organisms to the development of functional materials, stractural design, sensors, robotics, and other areas.

soft materials

Soft Materials

Extreme deep-sea invironments, and particularly the high-temperature and high-pressure environments of hydrothermal vents, can give rise to phenomena such as the mixing of oil and water, which would be unimaginble in nomal circumstances. We leverage the unique physico-chemical properites of these extreme environments to develop new processes for the creation soft materials including nanoemulsions and polymers.

nanobiotechnology

Nanobiotechnology

Active research is now being conducted in the field of nanobiotechnology --the development of technologies that combine elements of biotechnology and nanotechnology-- but this R&D is limited largely to medical applications such as drug delivery and regenerative medicine. We seek to discover new uses for deep-sea and marine bioresources by developing and applying ultra-sensitive sensing and other nanobiotechnologies to the research of those resources.

ACHIEVEMENT

  • FY2024
  • FY2023
  • FY2022
  • FY2021
  • FY2020
  • FY2019
  • Before FY2018

Invited Lectures

  1. Shigeru Deguchi (2025.03-27-29) "Deep-Sea-Inspired Chemistry: Bringing Deep-Sea Science and Materials Innovation" (keynote), International Conference on Functional Nanomaterials and Nanotechnology (ICFNN-2025), Kathmandu, Nepal
  2. Shigeru Deguchi（2024.12.19-20）"Deep-sea-inspired materials chemistry" (keynote), The International Symposium on Exponential Biomedical DX 2024 (eMEDX-24), Ishikawa High-Tech Conference Center, Ishikawa
  3. Shigeru Deguchi, Ikuo Taniguchi, Tsuyoshi Koga (2024.10.30-31) "Baroplastics: Pressure-Responsive Block Copolymers as Sustainable Plastics" (invited), Cutting-Edge in Soft Matter Science 2024 (CeSMS 2024), Kitakyushu International Conference, Kitakyushu
  4. Shigeru Deguchi, Ikuo Taniguchi, Tsuyoshi Koga（2024.06.16-21）"Baroplastics: A Deep-Sea-Inspired Path to Sustainable Plastics"、The 24th International Symposium on Surfactants in Solution (SIS2024)、(Birla Institute of Technology – Pilani, Goa Campus, India

Awards

  1. Mikiko Tsudome, Video 3rd Prize, 2023 Microscopy Today Micrograph Awards
  2. Daiki Degaki, Theoretical Study on Baroplastic Bahavior of Block Copolymers / IPC2023 Young Scientist Poster Award, The 13th SPSJ International Polymer Conference (IPC2023)

Invited Lectures

  1. Shigeru Deguchi (2024.02.19-03.01) "A Hitchhiker’s Guide to the Bottom of the Ocean for Chemists", Kyoto Winter School 2024 "Towards Holistic Understanding of Life", Institute for Advanced Study, Kyoto University, Kyoto
  2. Shigeru Deguchi, Ikuo Taniguchi, Tsuoshi Koga (2023.12.12-15) "Deep-Sea-Inspired Chemistry for On-Demand Polymer Degradation", The 9th Asian Conference on Colloid and Interface Science (ACCIS 2023), The Chinese University of Hong Kong, Hong Kong
  3. Shigeru Deguchi, Mikako Tachioka, Mikiko Tsudome (2023.12.11-16) "Advancing Deep-Sea Bioprospecting: Nanofiber-Based Ultrasensitive Assay for Cellulose Degradation", MRM2023/IUMRS-ICA2023, Kyoto International Conference Center, Kyoto
  4. Shigeru Deguchi, Ikuo Taniguchi, Tsuoshi Koga (2023.11.25) "Deep-Sea-Inspired Chemistry for Sustainable Plastics", The 6th G'L'owing Polymer Symposium in KANTO (GPS-K 2023), online
  5. Shigeru Deguchi (2023.11.17) "Deep-Sea-Inspired Supramolecular Process for Nanoemulsion Formation", The 10th Nagoya Biomimetics International Symposium (NaBIS), Nagoya Institute of Technology, Nagoya

Awards

  1. Mikiko Tsudome, Shigeru Deguchi, Honorable Mention, The Nikon Small World in Motion Competition

Publications

  1. Mikiko Tsudome, Mikako Tachioka, Miyazaki Masayuki, Miwako Tsuda, Yoshihiro Takaki, Shigeru Deguchi, Marinagarivorans cellulosilyticus sp. nov., a cellulolytic bacterium isolated from the deep-sea off Noma-misaki, Japan, Int. J. Syst. Evol. Microbiol., 73 (3), 005748 (2023)
  2. Mikako Tachioka, Mikiko Tsudome, Shigeru Deguchi, Protocol for analyzing enzymatic hydrolysis of cellulose using surface pitting observation technology, STAR Protocols, 4, 102066 (2023)
  3. Sumito Ishii, Akinori Sezai, Yasuhiro Kohsaka, Shigeru Deguchi, Mitsumasa Osada, High-Speed Synthesis of Thermo-responsive Polymers by Boosted Polymerization of N,N-Diethyl Acrylamide in High-Temperature Water, Ind. Eng. Chem. Res., 61 (46), 17012-17016 (2022)
  4. Mikiko Tsudome, Mikako Tachioka, Masayuki Miyazaki, Miwako Tsuda, Yoshihiro Takaki,Shigeru Deguchi, An ultrasensitive nanofiber-based assay for enzymatic hydrolysis and deep-sea microbial degradation of cellulose, iScience, 104732 (2022)

Awards

  1. Mikiko Tsudome、The RMS Scientific Imaging Competition 2021 1st Prize in Video category、Royal Microscope Society

Publications

  1. Ryuju Suzuki, Kazuma Yasuhara, Shigeru Deguchi, Effect of Molecular Distortion on the Optical Properties of Carotenoid-Based Nanoparticles, J. Phys. Chem. C, 126 (5), 2607-2613 (2022)
  2. Yu Kanasaki, Naoya Sagawa, Shigeru Deguchi, Two-step droplet formation in monodisperse nanodroplet generation in quenched hydrothermal solution as revealed by spontaneous transformation of nanodroplets to swollen micelles in octane‑in‑water nanoemulsions, J. Colloid Interface Sci., 604, 221-226 (2021)
  3. Ryusuke Nabata, Mikiko Tsudome, Shigeru Deguchi, Preparation of cellulose microparticles having hierarchical internal structures from multiple emulsion templates, Colloids Surf. A Physicochem. Eng. Asp., 622, 126718 (2021)

Invited Lectures

  1. Shigeru Deguchi (2021/06/15-16) "Biomimetics for Sustainable Use of Marine Bioresources in Circular Economy", The 38th International Conference of Photopolymer Science and Technology (ICPST-38), online

Publications

  1. Yi Zhang, Takuro Nunoura, Daisuke Nishiura, Miho Hirai, Shigeru Shimamura, Kanako Kurosawa, Chieko Ishiwata, Shigeru Deguchi, A single-molecule counting approach for covenient and ultrasensitive measurement of restriction digest efficiencies, PLoS ONE, 15 (12), e0244464 (2020)
  2. Noriyuki Isobe, Naoya Sagawa, Yuko Ono, Shuji Fujisawa, Satoshi Kimura, Keigo Kinoshita, Takeshi Miuchi, Tadahisa Iwata, Akira Isogai, Masayuki Nishino, Shigeru Deguchi, Primary structure of gum arabic and its dynamics at oil/water interface, Carbohydrate Polymers 249, 116843 (2020)

Awards

  1. Naoya Sagawa, Nanoparticulation of gum ghatti / Best Poster Award、Okinawa Colloids 2019

Publications

  1. Noriyuki Isobe, Mikiko Tsudome, Ryosuke Kusumi, Masahisa Wada, Katsuyuki Uematsu, Satoshi Okada, and Shigeru Deguchi, Moldable crystalline α-chitin hydrogel with toughness and transparency toward ocular applications, ACS Appl. Polym. Mater. (2020)
  2. Moe Kasahara, Shin-ichi Akimoto, Takahiko Hariyama, Yasuharu Takaku, Shin-ichi Yusa, Shun Okada, Ken Nakajima, Tomoyasu Hirai, Hiroyuki Mayama, Satoshi Okada, Shigeru Deguchi, Yoshinobu Nakamura, and Syuji Fujii, Liquid Marbles in Nature: Craft of Aphids for Survival, Langmuir 35 (18), 6169-6178 (2019)
  3. Satoshi Okada, Chong Chen, Tomo-o Watsuji, Manabu Nishizawa, Yohey Suzuki, Yuji Sano, Dass Bissessur, Shigeru Deguchi, and Ken Takai, The making of natural iron sulfide nanoparticles in a hot vent snail, PNAS 116 (41), 20376-20381 (2019)

Invited Lectures

  1. Shigeru Deguchi (2020/01/29) "Supramolecular Processes under Conditions Mimicking Deep-Sea Hydrothermal Vents", COST Action Chemobrionics Prague Meeting 2020, University of Chemistry and Technology Prague, Czech Republic
  2. Shigeru Deguchi (2019/09/24-27) "Deep-Sea Inspired Process for Continuous Production of Nano-Emulsion", 8th Asian Conference on Colloid & Interface Science (ACCIS 2019), Kathmandu, Nepal
  3. Shigeru Deguchi (2019/08/08-10) "Microbial Degradation of Biomass in Deep Sea", International Symposium of Renewable and Sustainable Materials 2019, Taipei, Taiwan
  4. Yu Nagai-Kanasaki, Naoya Sagwa, Shigeru Deguchi (2019/06/24-28) "Bottom-up Formation of Oil-in-Water Nanoemulsions from Homogeneous Solutions of Oil in Supercritical Water", 8th Conference on Bubble & Drop, Sofia, Bulgaria

Awards

  1. Satoshi Okada, Kinetic Analysis of Individual Events of C60 Dimerization by Atomic Resolution Electron Microscopy / ChemNanoMat Poster Award, AsiaNANO 2016
  2. Keigo Kinoshita、Nanoemulsion Formation via Bottom-up Approach Using Supercritical Water／Best Poster Award, NIMS CONFERENCE 2014

Publications

  1. Seishi Shimizu, Yu Nagai Kanasaki, Effect of solute aggregation on solubilization, Journal of Molecular Liquids, 274, 209-214 (2019)
  2. Shunsuke F. Shimobayashi, Mikiko Tsudome & Tomo Kurimura, Suppression of the coffee-ring effect by sugar-assisted depinning of contact line, Scientific Reports, 8, 17769 (2018)
  3. Jie Zhu, Zhendong Liu, Yasuo Yonezawa, Kazuto Honda, Satoshi Okada, Shigeru Deguchi, Tatsuya Okubo, Toru Wakihara, Addressing the viscosity challenge: ultrafast, stable-flow synthesis of zeolites with an emulsion method, React. Chem. Eng. ,8, 844-848 (2018)
  4. Yohi Kawamura and Remi Tsubaki, Phase reduction approach to elastohydrodynamic synchronization of beating flagella, Phys. Rev. E, 97, 022212 (2018)
  5. Suzuki, R., Onodera, T., Deguchi, S., Kasai, H., Oikawa, H., Nanocrystallization effect on luminescence properties of polymer-metal complex with different kinds of ligands, J. Taiwan Inst. Chem. Engr., 92, 129-133 (2018)
  6. Isobe, N., Kimura, S., Wada, M., Deguchi, S., Poroelasticity of cellulose hydrogel, J. Taiwan Inst. Chem. Engr., 92, 118-122 (2018)
  7. Isobe, N., Kasuga, T., Nogi, M., Clear transparent cellulose nanopaper prepared from a concentrated dispersion by high-humidity drying, RSC Adv., 8, 1833-1837 (2018)
  8. Ono, Y., Furihata, K., Isobe, N., Saito, T., Isogai, A., Solution-state structures of the cellulose model pullulan in lithium chloride/N,N-dimethylacetamide, Int. J. Biol. Macromol., 107, 2598-2603 (2018)
  9. Nicol, T.W.J., Isobe, N., Clark, J.H., Shimizu, S., Statistical thermodynamics unveils the dissolution mechanism of cellobiose, Phys. Chem. Chem. Phys., 19, 23106-23112 (2017)
  10. Kinoshita, K., Takano, Y., Ohkouchi, N., & Deguchi, S., Free-Radical Polymerization of Acrylic Acid under Extreme Reaction Conditions Mimicking Deep-Sea Hydrothermal Vents, ACS Omega, 2 (6), pp 2765-2769 (2017)
  11. Voigt, D., Takanashi, T., Tsuchihara, K., Yazaki, K., Kuroda, K., Tsubaki, R., Hosoda, N., Strongest grip on the rod: tarsal morphology and attachment of Japanese pine sawyer beetles. Zoological Lett. 3, 16 (2017)
  12. Watsuji, T., Tsubaki, R., Chen, C., Nagai, Y., Nakagawa, S., Yamamoto, M., Nishiura, D., Toyofuku, T., Takai, K., Cultivation mutualism between a deep-sea vent galatheid crab and chemosynthetic epibionts. Deep Sea Res. Part I Oceanogr. Res. Pap., 127, 13-20 (2017)
  13. Kato, M., Yamamori, L., Goto, R., Tsubaki, R., Ohsuga, K., A new large tellinid species of the genus Pharaonella (Mollusca: Bivalvia) from the Ryukyu Archipelago, ZooKeys 705, 1-13 (2017)
  14. Kubota, T., Kobayashi, T., Nunoura, T., Maruyama, F., & Deguchi, S., Enantioselective Utilization of D-Amino Acids by Deep-Sea Microorganisms, Front. Microbiol. (2016)
  15. Kubota, T., Shimamura, S., Kobayashi, T., Nunoura, T. & Deguchi, S. Distribution of eukaryotic serine racemases in the bacterial domain and characterization of a representative protein in Roseobacter litoralis Och 149. Microbiology, 162, 53-61 (2016)
  16. Kobayashi, T., Uchimura, K., Kubota, T., Nunoura, T. & Deguchi, S. Biochemical and genetic characterization of β-1, 3 glucanase from a deep subseafloor Laceyella putida. Appl. Microbiol. Biotechnol. 100 (1), 203-214 (2016)
  17. Deguchi, S., Tsujii, K. & Horikoshi, K. In situ microscopic observation of chitin and fungal cells with chitinous cell walls in hydrothermal conditions. Sci. Rep. 5, 11907 (2015).
  18. Kurata, A., Matsumoto, M., Kobayashi, T., Deguchi, S. & Kishimoto, N. Hyaluronate lyase of a deep-sea Bacillus niacini. Mar. Biotechnol. 17 (3), 277-284 (2015)
  19. Tsubaki, R., & Kato, M. A novel filtering mutualism between a sponge host and its endosymbiotic bivalves. PLoS ONE 9 (10), e108885 (2014)
  20. Tsubaki, R., Hosoda, N., Katajima, H., & Takanashi, T. Substrate-borne vibrations induce behavioral responses of a leaf-dwelling cerambycid Paraglenea fortunei. Zool. Sci. 31 (12), 789-794 (2014)
  21. Mukai, S., Koyama, T., Tsuji, K., Deguchi, S. Anomalous Long-Range Repulsion between silica surfaces induced by density inhomogeneities in supercritical ethanol. Soft Matter 10 (35), 6645-6650 (2014)
  22. Foong, C. P., Lau, N-S., Deguchi, S., Toyofuku, T., Taylor, T. D., Sudesh, K. & Matsui, M. Whole genome amplification approach reveals novel polyhydroxyalkanoate synthases (PhaCs) from Japan Trench and Nankai Trough seawater. BMC Microbiol. 14, 318 (2014)

Book Chapters

  1. Shigeru Deguchi, Internet of Polymers (IoP) in Living Organisms. POLYMERS, 67, (5), 237-239 (2018)
  2. Shigeru Deguchi, Comparative In Situ Microscopic Observation of Cellulose and Chitin in Hydrothermal Condtions. in Extreme Biomimetics, Hermann Ehrlich ED. Springer International Publishing AG, 2017, pp119-133.
  3. Deguchi, S., Kinoshita, K., Kubota, T., Aqua extrema and vita incognita deep below the waves. in Aqua incognita: Why ice floats on water and Galileo 400 years on, Lo Nostro, P., Ninham, B. W. Ed. Connor Court: Ballarat, 2014; pp 240-255.
  4. Deguchi, S., Mukai, S., Optical reactors for microscopic visualization of chemical processes in sub- and supercritical water. in Near-critical and supercritical water and their applications for biorefineries, Fang, Z., Xu, C. Ed. Springer Science+Business Media: Dordrecht, 2014; pp 133?156.

Invited Lectures

  1. Satoshi Okada, Yu Kanasaki, Yi Zhang, Shigeru Deguchi (2018/09/02-07) "Continuous Bottom-up Production of Nanoemulsions under Conditions Simulating Deep-Sea Hydrothermal Vents", 32nd European Colloid and Interface Society Conference (ECIS 2018), Ljubljana, Slovenia
  2. Shigeru Deguchi, (2018/05/21-25) "Marine and Deep-Sea Life for Biomimetics", 16th Conference of the International Association of Colloid and Interface Scientists (IACIS 2018), Rotterdam, the Netherlands
  3. Shigeru Deguchi, (2017/10/10-13) "Nano-Innovation from Deep-Sea Extremobisphere", International Conference on Functional Nanomaterials & Nanotechnology (ICFNN-2017), Kathmandu, Nepal
  4. Satoshi Okada, Shigeru Deguchi, (2017/08/08-11) "Continuous Supercritical Water Process for Bottom-up Production of Oil-in-Water Nano-emulsions", 7th Asian Conference on Colloid & Interface Science (ACCIS 2017), Kuala Lumpur, Malaysia
  5. Remi Tsubaki, Satoshi Okada, Shigeru Deguchi, (2017/06/28-07/01) "Unlocking the Potential of Life below the Waves", 10th International Symposium on Nature-Inspired Technology, Cebu, Philippines
  6. Remi Tsubaki (2017/03/17) "Sponge as a Potential Model of Biomimetics: New perspective", International Symposium on Engineering Neo-biomimetics VII, AIST Tokyo Waterfront, Tokyo
  7. Shigeru Deguchi, Mikiko Tsudome (2016/12/13-16) "Enzymatic Micro-Engraving on Hydrogel Surfaces", The 11th SPSJ International Polymer Conference (IPC2016), Fukuoka International Congress Center, Fukuoka
  8. Shigeru Deguchi (2016/11/13-18) "Self-Assembly under Conditions Mimicking Deep-Sea Hydrothermal Vents", 2016 AIChE Annual Meeting, San Francisco, USA
  9. Shigeru Deguchi (2016/06/05-11) "Bottom-up Formation of Nanoemulsions under Conditions Mimicking Deep-Sea Hydrothermal Vents", 21st International Symposium on Surfactants in Solution (SIS2016), Jinan, China
  10. Shigeru Deguchi (2016/05/09-13) "Bottom-Up Formation of Nanoemulsions from Hydrothermal Homogeneous Solutions of Oil in Water", EMN Meeting on Droplets 2016, San Sebastian, Spain
  11. Shigeru Deguchi (2016/03/29) "Fullerene Nanoparticles for Physicochemical Studies of Deep-Sea Hydrothermal Vents", RIKEN Seminar, Wako, Saitama
  12. Shigeru Deguchi (2016/03/08-11) "Nanocellulose for Ultra-Sensitive Assay of Cellulase Activity", EMN Meeting on Cellulose, Taipei, Taiwan
  13. Shigeru Deguchi (2016/01/25) "Pressure-Dependent Structural Change of 2D Colloidal Array in Supercritical Ethanol", 3rd International Mini-Symposium on Surface Forces, Tohoku University, Sendai
  14. Remi Tsubaki (2016/01/13-15) "Water transportation system inspired by sponges", 9th International Symposium on Nature-Inspired Technology (ISNIT 2016), Daejeon, Korea
  15. Keigo Kinoshita, Shigeru Deguchi (2015/11/24) "MAGIQ: Novel Bottom-up Process for Making Nanoemulsions", 6th Asian Conference on Colloid and Interface Science (ACCIS 2015 Japan), Arakas Sasebo, Sasebo
  16. Shigeru Deguchi (2015/10/30) "Soft Materials under Extreme Conditions Mimicking Deep-Sea Hydrothermal Vents", 4th Nagoya Biomimetics International Symposium (NaBIS), Winc-aichi, Aichi
  17. Shigeru Deguchi (2015/09/23-26) "Self-Assembly in the Extreme Environments Deep below the Waves", Hierarchial Dynamics in Soft Materials and Biological Matter, Kyoto University, Kyoto
  18. Shigeru Deguchi（2015/08/02-07）"Ultra-Sensitive Assay of Cellulose Hydrolysis by Using Nanofibrous Substrates Combined with 3D Profilometry", Gordon Research Conference on Cellulosomes, Cellulases & Other Carbohydrate Modifying Enzymes, NH, USA
  19. Keigo Kinoshita, Shigeru Deguchi (2015/07/21-24) "Bottom-up Process for Making Nanoemulsifications by Using Supercritical Water", 2015 International Conference on Colloids and Interface Science, Taiwan Tec, Taiwan
  20. Shigeru Deguchi（2014/10/26-29）"White nanobiotechnology for deep-sea bioprospecting", AsiaNano 2014, Jeju, Korea
  21. Remi Tsubaki & Shigeru Deguchi（2014/10/16）"Biomimetic initiative from deep-sea organisms in JAMSTEC", French-German-Japan Workshop on Mariage d'histoire naturelle et nanotechnology "Biomimetics meets Museum", Muséum national d'Histoire naturelle, France
  22. Shigeru Deguchi（2014/06/22-26）"MAGIQ process: Bottom-up formation of nano-sized oil droplets in water", 20th International Symposium on Surfactants in Solution (SIS 2014), Coimbra, Portugal
  23. Shigeru Deguchi（2014/05/22）"White nanobiotechnology for elucidating functional diversity of extremophiles in the deep sea", Department Seminar at the University of Porto, Porto, Portugal

▲

Copyright © Deep-Sea Nanoscience Research Group, JAMSTEC