Zobrazeno 1 - 10
of 159
pro vyhledávání: '"Shigehisa Endoh"'
Publikováno v:
Toxicology Reports, Vol 11, Iss , Pp 481-492 (2023)
This study assessed the effects of cellulose nanofibrils (CNFs) and multi-walled carbon nanotubes (MWCNTs) on lung inflammation in a cigarette smoke-induced chronic obstructive pulmonary disease (COPD) mouse model. Prior to instillation, COPD model m
Externí odkaz:
https://doaj.org/article/7b72877e0df24c228fe410a276da8b2b
Publikováno v:
Toxicology Reports, Vol 9, Iss , Pp 68-77 (2022)
Cellulose nanofibrils (CNFs) are identified as novel nanomaterials with many potential applications. Since CNFs are fibrous manufactured nanomaterials, their potential carcinogenic effects and mesothelial toxicity raise some concerns. In this study,
Externí odkaz:
https://doaj.org/article/7d6d7609605441c9a4297655ac17ad3f
Publikováno v:
KONA Powder and Particle Journal, Vol 2, Iss 0, Pp 7-15 (2014)
The effects of particle shape and operating conditions on the sieving process were experimentally studied and the passing characteristics were discussed. Cylinder particles of unity in aspect ratio were batchwise sieved by a reciprocal shifter. The r
Externí odkaz:
https://doaj.org/article/10dcc90df85e46d8b61961e10e05e42e
Publikováno v:
KONA Powder and Particle Journal, Vol 18, Iss 0, Pp 194-199 (2014)
The authors evaluated the degree of liberation of printed circuit boards ground by impact milling to recover valuable materials. Wastes of two board types were ground with a swing-hammer-type impact mill. Heavy medium separation using tetrabromoethan
Externí odkaz:
https://doaj.org/article/6e4ce47c90f246749b00e5d5c67f1a97
Publikováno v:
KONA Powder and Particle Journal, Vol 12, Iss 0, Pp 125-132 (2014)
In order to apply hydrodynamic Gelds to the shape separation of fine particles, the dependencies of dynamic properties of particles in a cyclone on the particle shape were discussed. Glass beads, glass powders, silica sands and mica particles in a 10
Externí odkaz:
https://doaj.org/article/042438273a724cff9444d5b944f928bd
Autor:
Yasuo Morimoto, Tetsuya Nakazato, Estushi Kuroda, Norihiro Kobayashi, Kazuhiro Yamamoto, Kunio Uchida, Akira Ogami, Toshihiko Myojo, Takako Oyabu, Junko Maru, Mayumi Stowe, Tatsunori Kambara, Byeong Woo Lee, Shigehisa Endoh, Masanori Horie
Publikováno v:
Materials, Vol 5, Iss 12, Pp 2833-2849 (2012)
The pulmonary toxicity of multi-wall carbon nanotubes (MWCNT) were examined by intratracheal instillation. We prepared a well-dispersed MWCNT dispersion including MWCNTs of 3.71 µm geometric average length. The fiber length of most of the MWCNTs in
Externí odkaz:
https://doaj.org/article/8ab11231bfad4e2ea6cdcc45b27eedad
Publikováno v:
Toxicology Reports
Toxicology Reports, Vol 9, Iss, Pp 68-77 (2022)
Toxicology Reports, Vol 9, Iss, Pp 68-77 (2022)
Graphical abstract
Highlights • CNFs did not induce bacterial reverse and in vitro mammalian cell gene mutation. • CNFs did not induce chromosomal aberration in CHL/IU cells. • CNFs did not increase the proportion of micronucleated polychr
Highlights • CNFs did not induce bacterial reverse and in vitro mammalian cell gene mutation. • CNFs did not induce chromosomal aberration in CHL/IU cells. • CNFs did not increase the proportion of micronucleated polychr
Publikováno v:
Toxicology in Vitro. 52:195-202
Graphene and related materials (GRMs) have unique optical and thermal characteristics and are expected to be adopted for industrial applications. However, there are concerns with respect to their safety to human health. To conduct cytotoxicity and mu
Publikováno v:
Toxicology mechanisms and methods. 30(7)
Multi-walled carbon nanotubes (MWCNTs) have industrial applications in the nanotechnology field. The physico-chemical properties of MWCNTs vary greatly depending on MWCNT manufacture and application. It has been pointed out that their needle shape an
Publikováno v:
Journal of Occupational Health
Objectives The aim of this study is to establish a sterilization method for cellulose nanofibers (CNFs) dispersions that uses multiple preservatives with different hydrophilicities without affecting the physical and chemical properties of CNFs, and t