Kazuo Umemura

Takeda, Y., Hata, K., Yamazaki, T., Kaneko, M., Yokoi, O., Tsai, C., Umemura, K. & Nikuni, T., 22 11月 2021, In: Frontiers in Systems Neuroscience. 15, 771661.

研究成果: Article › 査読

Open Access

Optical response characteristics of single-walled carbon Nanotube Chirality exposed to oxidants with different oxidizing power

Matsukawa, Y. & Umemura, K., 2 2月 2021, In: Molecules. 26, 4, 1091.

研究成果: Article › 査読

Open Access

Sensing of epigallocatechin gallate and tannic acid based on near infrared optical spectroscopy of DNA-wrapped single-walled carbon nanotube hybrids

Yamazaki, Y. & Umemura, K., 4月 2021, In: Journal of Near Infrared Spectroscopy. 29, 2, p. 73-83 11 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

Sinking of Four Species of Living Diatom Cells Directly Observed by a Tumbled Optical Microscope

Hamano, R., Shoumura, S., Takeda, Y., Yamazaki, T., Hirayama, K., Hanada, Y., Mayama, S., Takemura, M., Lin, H. J. & Umemura, K., 17 10月 2021, In: Microscopy and Microanalysis. 27, 5, p. 1154-1160 7 p.

研究成果: Article › 査読

Open Access

Stable Near-Infrared Photoluminescence of Single-Walled Carbon Nanotubes Dispersed Using a Coconut-Based Natural Detergent

Hirayama, K., Kitamura, M., Hamano, R. & Umemura, K., 16 11月 2021, In: ACS Omega. 6, 45, p. 30708-30715 8 p.

研究成果: Article › 査読

Open Access

2020

An efficient method to quantitatively detect competitive adsorption of DNA on single-walled carbon nanotube surfaces

Horii, Y., Ohura, S. & Umemura, K., 15 7月 2020, In: Analytical Biochemistry. 601, 113776.

研究成果: Article › 査読

Decomposition of amyloid fibrils by NIR-active upconversion nanoparticles

Harada, T., Matsuzaki, H., Oyama, R., Takeuchi, T., Takei, T., Ninomiya, T., Takami, K., Inoue, T., Nishiguchi, H., Hifumi, E., Shinto, H., Takahashi, H. & Umemura, K., 2020, In: Photochemical and Photobiological Sciences. 19, 1, p. 29-33 5 p.

研究成果: Article › 査読

1 被引用数 (Scopus)

Effect on near-infrared absorption spectra of DNA/single-walled carbon nanotube (SWNT) complexes by adsorption of a blocking reagent

Matsukawa, Y., Ohura, S. & Umemura, K., 1 9月 2020, In: Colloids and Surfaces B: Biointerfaces. 193, p. 111072 1 p.

研究成果: Article › 査読

1 被引用数 (Scopus)

Label-free imaging and analysis of subcellular parts of a living diatom cylindrotheca sp. using optical diffraction tomography

Umemura, K., Matsukawa, Y., Ide, Y. & Mayama, S., 2020, In: MethodsX. 7, 100889.

研究成果: Article › 査読

Open Access

1 被引用数 (Scopus)

Mechanical vibration of single-walled carbon nanotubes at different lengths and carbon nanobelts by modal analysis method

Miyashiro, D., Taira, H., Hamano, R., Reserva, R. L. & Umemura, K., 10月 2020, In: Composites Part C: Open Access. 2, 100028.

研究成果: Article › 査読

Open Access

4 被引用数 (Scopus)

Single cell analysis of sinking diatoms studied using a homemade ‘tumbled’ optical microscope system

Shoumura, S., Hamano, R., Hanada, Y., Mayama, S. & Umemura, K., 1月 2020, In: Journal of Microbiological Methods. 168, 105804.

研究成果: Article › 査読

Open Access

3 被引用数 (Scopus)

Study on optical response sensitivity in hybrid of single-walled carbon nanotubes mixed with double-stranded DNA and carboxymethylcellulose

Hamano, R., Miyashiro, D. & Umemura, K., 11月 2020, In: Optical Materials. 109, 110386.

研究成果: Article › 査読

3 被引用数 (Scopus)

Unique observation method of temperature dependence of diatom floating by direct microscope

Ide, Y., Matsukawa, Y., Miyashiro, D., Mayama, S., Julius, M. L. & Umemura, K., 5月 2020, In: Journal of Microbiological Methods. 172, 105901.

研究成果: Article › 査読

2 被引用数 (Scopus)

Various responses of single-walled carbon nanotubes with differing chirality: A suggestion for biosensing

Umemura, K., Sato, Y., Ishibashi, Y., Ito, M. & Homma, Y., 1 2月 2020, In: Journal of Near Infrared Spectroscopy. 28, 1, p. 51-56 6 p.

研究成果: Article › 査読

4 被引用数 (Scopus)

2019

Fabrication of an optical cell dryer for the spectroscopic analysis cells

Matsukawa, Y., Shomura, S. & Umemura, K., 1月 2019, In: Journal of Visualized Experiments. 2019, 143, e58518.

研究成果: Article › 査読

Fabrication of Microscope Stage for Vertical Observation with Temperature Control Function

Matsukawa, Y., Ide, Y. & Umemura, K., 31 7月 2019, In: Journal of visualized experiments : JoVE. 149

研究成果: Article › 査読

2 被引用数 (Scopus)

Interactions of secondary DNA and initial DNA on single-walled carbon nanotube surfaces studied by photoluminescence, atomic force microscopy, and electrophoresis

Toyofuku, R., Ohura, S., Ito, M., Homma, Y. & Umemura, K., 2019, In: Journal of Nanomaterials. 2019, 2875439.

研究成果: Article › 査読

Open Access

1 被引用数 (Scopus)

Quantitative Detection of the Disappearance of the Antioxidant Ability of Catechin by Near-Infrared Absorption and Near-Infrared Photoluminescence Spectra of Single-Walled Carbon Nanotubes

Umemura, K., Ishibashi, Y., Ito, M. & Homma, Y., 29 4月 2019, In: ACS Omega. 4, 4, p. 7750-7758 9 p.

研究成果: Article › 査読

Open Access

9 被引用数 (Scopus)

Vibration analysis of single-stranded DNA-wrapped single-walled carbon nanotubes using finite element method

Miyashiro, D., Taira, H. & Umemura, K., 15 9月 2019, In: Composites Part B: Engineering. 173, 106896.

研究成果: Article › 査読

3 被引用数 (Scopus)

2018

A convenient method of attaching fluorescent dyes on single-walled carbon nanotubes pre-wrapped with DNA molecules

Tomura, A. & Umemura, K., 15 4月 2018, In: Analytical Biochemistry. 547, p. 1-6 6 p.

研究成果: Article › 査読

4 被引用数 (Scopus)

A fundamental study of photoluminescence modulation from DNA-wrapped single-walled carbon nanotubes

Oura, S., Ito, M., Homma, Y. & Umemura, K., 1 7月 2018, In: European Biophysics Journal. 47, 5, p. 523-530 8 p.

研究成果: Article › 査読

1 被引用数 (Scopus)

Differences in dynamic behavior of single diatom cells caused by changing wavelengths

Taira, H., Kondo, S., Kumashiro, Y., Mayama, S. & Umemura, K., 5月 2018, In: Micron. 108, p. 1-5 5 p.

研究成果: Article › 査読

Differences in the response of the near-infrared absorbance spectra of single-walled carbon nanotubes; Effects of chirality and wrapping polymers

Matsukawa, Y., Ohura, S. & Umemura, K., 1 12月 2018, In: Colloids and Surfaces B: Biointerfaces. 172, p. 684-689 6 p.

研究成果: Article › 査読

5 被引用数 (Scopus)

Direct comparison of single- and multi-walled carbon nanotubes in fluorescence quenching phenomenon

Oura, S. & Umemura, K., 3月 2018, In: Japanese Journal of Applied Physics. 57, 3, 03EK04.

研究成果: Article › 査読

2 被引用数 (Scopus)

Monitoring the antioxidant effects of catechin using single-walled carbon nanotubes: Comparative analysis by near-infrared absorption and near-infrared photoluminescence

Ishibashi, Y., Ito, M., Homma, Y. & Umemura, K., 1 1月 2018, In: Colloids and Surfaces B: Biointerfaces. 161, p. 139-146 8 p.

研究成果: Article › 査読

16 被引用数 (Scopus)

2017

Adsorption of DNA binding proteins to functionalized carbon nanotube surfaces with and without DNA wrapping

Ishibashi, Y., Oura, S. & Umemura, K., 1 9月 2017, In: European Biophysics Journal. 46, 6, p. 541-547 7 p.

研究成果: Article › 査読

3 被引用数 (Scopus)

Using a fluorescence quenching method to detect DNA adsorption onto single-walled carbon nanotube surfaces

Umemura, K., Sato, S., Bustamante, G. & Ye, J. Y., 1 12月 2017, In: Colloids and Surfaces B: Biointerfaces. 160, p. 201-206 6 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

2016

Atomic Force Microscopy of DNA-wrapped Single-walled Carbon Nanotubes in Aqueous Solution

Hayashida, T. & Umemura, K., 1 7月 2016, In: Colloids and Surfaces B: Biointerfaces. 143, p. 526-531 6 p.

研究成果: Article › 査読

14 被引用数 (Scopus)

Non-uniform binding of single-stranded DNA binding proteins to hybrids of single-stranded DNA and single-walled carbon nanotubes observed by atomic force microscopy in air and in liquid

Umemura, K., Ishizaka, K., Nii, D. & Izumi, K., 1 12月 2016, In: Applied Surface Science. 388, p. 381-384 4 p.

研究成果: Article › 査読

4 被引用数 (Scopus)

Optimal conditions for decorating outer surface of single-walled carbon nanotubes with RecA proteins

Oura, S. & Umemura, K., 3月 2016, In: Japanese Journal of Applied Physics. 55, 3, 03DF04.

研究成果: Article › 査読

4 被引用数 (Scopus)

Physisorption of DNA molecules on chemically modified single-walled carbon nanotubes with and without sonication

Umemura, K., Ishibashi, Y. & Oura, S., 1 9月 2016, In: European Biophysics Journal. 45, 6, p. 483-489 7 p.

研究成果: Article › 査読

6 被引用数 (Scopus)

Preparation of thermoresponsive nanostructured surfaces for tissue engineering

Sakuma, M., Kumashiro, Y., Nakayama, M., Tanaka, N., Haraguchi, Y., Umemura, K., Shimizu, T., Yamato, M. & Okano, T., 1 3月 2016, In: Journal of Visualized Experiments. 2016, 109, e53465.

研究成果: Article › 査読

2 被引用数 (Scopus)

Protein Adsorption on Hybrids of Thermoresponsive Polymers and Single-Walled Carbon Nanotubes

Umemura, K., Izumi, K., Kumashiro, Y., Oura, S. & Okano, T., 2016, In: International Journal of Polymer Science. 2016, 3539609.

研究成果: Article › 査読

Open Access

2 被引用数 (Scopus)

Removal of excess polymer from a suspension containing hybrids of thermoresponsive polymer and carbon nanotubes using aggregation phenomenon

Izumi, K., Kumashiro, Y., Oura, S., Okano, T. & Umemura, K., 9月 2016, In: Japanese Journal of Applied Physics. 55, 9, 095003.

研究成果: Article › 査読

2 被引用数 (Scopus)

2015

Biomolecular recognition ability of RecA proteins for DNA on single-walled carbon nanotubes

Oura, S., Ito, M., Nii, D., Homma, Y. & Umemura, K., 1 2月 2015, In: Colloids and Surfaces B: Biointerfaces. 126, p. 496-501 6 p.

研究成果: Article › 査読

13 被引用数 (Scopus)

Single cell analysis using a glass microchamber for studying movement fluctuations of Navicula pavillardii and Seminavis robusta diatom cells

Umemura, K., Sadoya, Y., Nagao, K., Oikawa, R., Hanada, Y., Sugioka, K. & Mayama, S., 1 10月 2015, In: Micron. 77, p. 41-43 3 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

The Effect of DNA Adsorption on Optical Transitions in Single Walled Carbon Nanotubes

Ito, M., Ito, Y., Nii, D., Kato, H., Umemura, K. & Homma, Y., 10 9月 2015, In: Journal of Physical Chemistry C. 119, 36, p. 21141-21145 5 p.

研究成果: Article › 査読

18 被引用数 (Scopus)

Use of a microchamber for analysis of thermal variation of the gliding phenomenon of single Navicula pavillardii cells

Umemura, K., Miyabayashi, T., Taira, H., Suzuki, A., Kumashiro, Y., Okano, T. & Mayama, S., 14 3月 2015, In: European Biophysics Journal. 44, 3, p. 113-119 7 p.

研究成果: Article › 査読

6 被引用数 (Scopus)

2014

Control of cell adhesion and detachment on Langmuir-Schaefer surface composed of dodecyl-terminated thermo-responsive polymers

Sakuma, M., Kumashiro, Y., Nakayama, M., Tanaka, N., Umemura, K., Yamato, M. & Okano, T., 24 3月 2014, In: Journal of Biomaterials Science, Polymer Edition. 25, 5, p. 431-443 13 p.

研究成果: Article › 査読

8 被引用数 (Scopus)

Intense photoluminescence from dried double-stranded DNA and single-walled carbon nanotube hybrid

Ito, M., Kobayashi, T., Ito, Y., Hayashida, T., Nii, D., Umemura, K. & Homma, Y., 27 1月 2014, In: Applied Physics Letters. 104, 4, 043102.

研究成果: Article › 査読

14 被引用数 (Scopus)

Rate control of cell sheet recovery by incorporating hydrophilic pattern in thermoresponsive cell culture dish

Kumashiro, Y., Matsunaga, T., Muraoka, M., Tanaka, N., Itoga, K., Kobayashi, J., Tomiyama, Y., Kuroda, M., Shimizu, T., Hashimoto, I., Umemura, K., Yamato, M. & Okano, T., 8月 2014, In: Journal of Biomedical Materials Research - Part A. 102, 8, p. 2849-2856 8 p.

研究成果: Article › 査読

18 被引用数 (Scopus)

Selective binding of single-stranded DNA-binding proteins onto DNA molecules adsorbed on single-walled carbon nanotubes

Nii, D., Hayashida, T., Yamaguchi, Y., Ikawa, S., Shibata, T. & Umemura, K., 1 9月 2014, In: Colloids and Surfaces B: Biointerfaces. 121, p. 325-330 6 p.

研究成果: Article › 査読

21 被引用数 (Scopus)

Spectroscopic characterization of supramolecular chiral porphyrin homoassociates at the air-water interface

Harada, T., Moriyama, H., Takahashi, H., Umemura, K., Yokota, H., Kawakami, R. & Mishima, K., 1 11月 2014, In: Applied Spectroscopy. 68, 11, p. 1235-1240 6 p.

研究成果: Article › 査読

1 被引用数 (Scopus)

Thermoresponsive nanostructured surfaces generated by the Langmuir-Schaefer method are suitable for cell sheet fabrication

Sakuma, M., Kumashiro, Y., Nakayama, M., Tanaka, N., Umemura, K., Yamato, M. & Okano, T., 7 10月 2014, In: Biomacromolecules. 15, 11, p. 4160-4167 8 p.

研究成果: Article › 査読

9 被引用数 (Scopus)

2013

A new method for removing dispersed carbon nanotubes from aqueous solution by nanoporous biosilica (frustule)

Sakuma, M., Hori, S., Hayashida, T., Mayama, S. & Umemura, K., 1 8月 2013, In: Journal of Porous Materials. 20, 4, p. 961-966 6 p.

研究成果: Article › 査読

2 被引用数 (Scopus)

Atomic force microscopy imaging of dialyzed single-walled carbon nanotubes dispersed with sodium dodecyl sulfate

Hirayama, S., Hayashida, T. & Umemura, K., 1 6月 2013, In: International Journal of Smart and Nano Materials. 4, 2, p. 119-127 9 p.

研究成果: Article › 査読

Open Access

3 被引用数 (Scopus)

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