Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Ken-ichi Kan'no"'
Publikováno v:
Polymer Journal. 46:813-818
Ulva can overgrow and result in green tides around the world. It forms algal mats on the Wajiro tideland in Japan. The major polysaccharide of Ulva is ulvan, a sulfated glucurono-rhamno-xyloglycan. Ulvan was modified with three diisocyanate derivativ
Autor:
Y. Fujita, Tetsuya Tanigawa, Ken-ichi Kan'no, Naoto Ohnaka, Masafumi Shimohara, Kaito Yoshida, Kota Kojima, Yuichiro Kubo, Koshiro Nakata
Publikováno v:
Chemistry & Biodiversity. 11:1140-1150
In this work, we investigated whether materials isolated from algae that threaten ecosystems can be used for human benefit. We converted acidic polysaccharides (ulvan) from the alga Ulva pertusa into soft hydrogel materials. In addition to ulvan, the
Publikováno v:
Journal of Chemical Education. 92:1886-1888
Poly(vinyl alcohol) (PVA) precipitates in many kinds of aqueous salt solutions. While sodium sulfate, a coagulant for PVA fiber, precipitates PVA to yield a white rigid gel, coagulation of PVA with aluminum sulfate, a coagulant for water treatment, y
Autor:
Ken-ichi Kan'no, Hayato Namai, Ikuko Akimoto, Yasunori Matsui, Kazuhiko Mizuno, Hiroshi Ikeda
Publikováno v:
Tetrahedron. 67:7431-7439
Substituent effects on the energies of electronic transitions (ETs) between the triplet excited and ground states of gem -diphenyltrimethylenemethane biradicals ( 3 2a ) were explored by using thermoluminescence (TL) spectroscopy and density function
Autor:
Ken-ichi Kan'no, Yuya Yoshida, Yasumasa Matsumoto, Takeshi Endo, Keiichiro Hanada, Yuya Konishi, Tsuyoshi Arakawa, Kotaro Matsumura, Yuichiro Takaki, Akimitsu Kugimiya
Publikováno v:
Macromolecular Symposia. 297:108-113
Phenylenediamine derivatives (PDs) are environmentally hazardous, though very useful for chemical analysis. To minimize release into the environment, a PD-containing epoxy resin film was developed that retained redox enzyme activity. p-Phenylenediami
Publikováno v:
physica status solidi c. 6:342-345
A material emitting DUV light at room temperature is promising for an application to a new laser action. We report the remarkable phenomena that deep ultra-violet (DUV) emission at 220 nm, so-called NE emission, in NaCl:I crystal is enhanced up to 30
Autor:
Ken-ichi Kan'no, Akimasa Ohnishi
Publikováno v:
physica status solidi (b). 245:2815-2820
Luminescence from BaFI and BaFBr1–xIx crystals has been investigated using vacuum ultraviolet photons from synchrotron radiation in the temperature range of 10–300 K. In BaFI, two kinds of luminescence bands are observed under band-to-band excita
Publikováno v:
physica status solidi c. 4:813-816
The magnetic field dependence of photo-luminescent spectrum in tris (2-phenylpyridine) iridium complex is reported. Upon applying magnetic field from 0 to 6 T, remarkable change of spectral band shape was observed at 4.2 K. Comparing the spectral var
Publikováno v:
Journal of Luminescence. :440-443
The phosphor material, tris(2-phenylpyridine)iridium (Ir(ppy)3), has attracted much attention as an emitter of highly efficient electro-phosphorescent devices. In the present work, decay dynamics of photo-luminescence and its temperature dependence h
Publikováno v:
Journal of Luminescence. 112:263-266
Transient photocurrent of SrTiO 3 induced by excitation in the fundamental absorption has been measured by the time-of-flight method at low temperatures. The drift mobilities of electrons and holes at 4 K were evaluated to be 1.10 × 10 4 and 7.0 ×