Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Motoyoshi Kobayashi"'
Autor:
Ayumi Moteki, Motoyoshi Kobayashi
Publikováno v:
Nanomaterials, Vol 14, Iss 15, p 1247 (2024)
Oxidized carbon nanohorn (CNHox) a carbon nanomaterial that has attracted attention due to its unique material properties. It is expected to be applied in various areas like cancer treatment, gene-expression technology, fluids with high thermal condu
Externí odkaz:
https://doaj.org/article/4528eca06c5e4a0a8aae47d7f84f4f09
Publikováno v:
Applied Sciences, Vol 14, Iss 6, p 2645 (2024)
To clarify the effect of proteins on the charging and aggregation–dispersion characteristics of oxidized carbon nanohorn (CNHox), we measured the electrophoretic mobility and stability ratios as a function of concentrations of a model protein, lyso
Externí odkaz:
https://doaj.org/article/1bd54a89d96244f38707a8c6f8e8256c
Publikováno v:
Liquids, Vol 3, Iss 1, Pp 40-47 (2023)
Mixtures of powder and liquid are ubiquitous in nature as well as industries and exhibit complex flowing and deforming behaviors, including sol to gel transition under shear stress. In order to better understand the characteristic features of this ty
Externí odkaz:
https://doaj.org/article/52a23801791042ab9086112bba7ebd3f
Autor:
Shunsuke Sato, Motoyoshi Kobayashi
Publikováno v:
Molecules, Vol 28, Iss 8, p 3555 (2023)
The understanding and control of the rheological behaviors of colloids and polymer mixtures is an important issue for scientific interests and industrial applications. Aqueous mixed suspensions of silica nanoparticles and poly(ethylene oxide) (PEO) u
Externí odkaz:
https://doaj.org/article/9adffaf0c27d4dd7a54eb5d6aee15f01
Publikováno v:
Molecules, Vol 27, Iss 22, p 7770 (2022)
Colloidal silica suspensions are widely used in many fields, including environmental restoration, oil drilling, and food and medical industries. To control the rheological property of suspensions, poly(ethylene oxide) (PEO) polymers are often used. U
Externí odkaz:
https://doaj.org/article/653bd5820ce54ac781adf26c259988ad
Autor:
Yosuke Fujita, Motoyoshi Kobayashi
Publikováno v:
Water, Vol 12, Iss 10, p 2892 (2020)
Colloid transport experiments focusing on the initial deposition stage in water-unsaturated sand columns were conducted. To examine the effect of electrostatic interaction in the unsaturated condition, negatively and positively charged silica colloid
Externí odkaz:
https://doaj.org/article/057ea14af172449d84c5e9fb4b692d5f
Publikováno v:
Polymers, Vol 12, Iss 8, p 1770 (2020)
Aggregation and aggregates properties of natural organic and nanosized macromolecules such as humic substances and proteins are crucial to explore so-called colloid-mediated transport and the fate of substances in soil and water environments. Therefo
Externí odkaz:
https://doaj.org/article/84fe5a63219a46eaab739d6e18f76ea7
Autor:
Yi Huang, Motoyoshi Kobayashi
Publikováno v:
Polymers, Vol 12, Iss 5, p 1141 (2020)
Controlling the rheological property of suspensions consisting of colloidal particles and polymers is necessary in industry. Especially, gels induced by shear (shake-gel) are interesting phenomena in rheological field. To gain insight into the shake-
Externí odkaz:
https://doaj.org/article/724c624cd0f94c34be20d9da7945185f
Publikováno v:
Water, Vol 11, Iss 9, p 1748 (2019)
We examined the effect of poly-γ-glutamic acid flocculant (PGAF) on the removal of ultrafine cement (UFC) particles stabilized by a poly-carboxylate co-polymer, which is a superplasticizer (SP). The flocculation−sedimentation treatment with PGAF s
Externí odkaz:
https://doaj.org/article/1f4189393ebf4ab8b88904eb9471857d
Publikováno v:
International Journal of Polymer Science, Vol 2012 (2012)
Dynamic behaviors of unstable colloidal dispersions are reviewed in terms of floc formation. Geometrical structure of flocs in terms of chemical conditions and formation mechanics is a key to predict macroscopic transportation properties. The rate of
Externí odkaz:
https://doaj.org/article/1dced0d74d5e4a628ecf9bdb1536b1e6