نتایج جستجو برای: ps mwcnt

تعداد نتایج: 26510  

Journal: :Nanoscale 2015
Yanli Zhou Dong Yan Huayun Xu Shuo Liu Jian Yang Yitai Qian

A one-dimensional MWCNT@a-C@Co9S8 nanocomposite has been prepared via a facile solvothermal reaction followed by a calcination process. The amorphous carbon layer between Co9S8 and MWCNT acts as a linker to increase the loading of sulfides on MWCNT. When evaluated as anode materials for lithium ion batteries, the MWCNT@a-C@Co9S8 nanocomposite shows the advantages of high capacity and long life,...

Journal: :Journal of biomedical materials research. Part B, Applied biomaterials 2010
Eri Hirata Motohiro Uo Yoshinobu Nodasaka Hiroko Takita Natsumi Ushijima Tsukasa Akasaka Fumio Watari Atsuro Yokoyama

The cell adhesion in a multiwalled carbon nanotube-coated collagen sponge (MWCNT-coated sponge) was investigated. Immediately after seeding, the cells adhered to the inner surface of the MWCNT-coated sponge and a significantly larger number of cells were observed there than for a pure collagen sponge used as control. On the MWCNT-coated sponge, the cells appeared favorable adhesion and spread i...

2016
Bruno VM Rodrigues Nelly CS Leite Bruno das Neves Cavalcanti Newton S da Silva Fernanda R Marciano Evaldo J Corat Thomas J Webster Anderson O Lobo

Nanohydroxyapatite (nHAp) is an emergent bioceramic that shows similar chemical and crystallographic properties as the mineral phase present in bone. However, nHAp presents low fracture toughness and tensile strength, limiting its application in bone tissue engineering. Conversely, multi-walled carbon nanotubes (MWCNTs) have been widely used for composite applications due to their excellent mec...

Journal: :Journal of biomedical materials research. Part B, Applied biomaterials 2009
Eri Hirata Motohiro Uo Hiroko Takita Tsukasa Akasaka Fumio Watari Atsuro Yokoyama

Carbon nanotubes (CNTs) have attractive biochemical properties such as strong cell adhesion and protein absorption, which are very useful for a cell cultivation scaffold. In this study, we prepared a multiwalled carbon nanotube-coated collagen sponge (MWCNT-coated sponge) to improve the surface properties of the collagen sponge, and its cell culturing properties were examined. The suface of the...

Journal: :Nanoscale 2011
Jayaprakash Khanderi Cosmin Contiu Jörg Engstler Rudolf C Hoffmann Jörg J Schneider Alfons Drochner Herbert Vogel

Cuprous oxide agglomerates composed of 4-10 nm Cu2O nanoparticles were deposited on multiwalled carbon nanotubes (MWCNTs) and on ZnO/MWCNTs to give binary [Cu2O/MWCNT] and ternary [Cu2O/ZnO/MWCNT] composites. Di-aqua-bis[2-(methoxyimino)propanoato]copper Cu[O2CCCH3NOMe](2)·2H2O 1 in DMF was used as single source precursor for the deposition of nanoscaled Cu2O. The precursor decomposes either in...

2004
T. D. Yuzvinsky A. M. Fennimore A. Zettl

It has been shown that a multi-walled carbon nanotube (MWCNT) can be used as the rotation enabling element for nanoelectromechanical systems. Modification of the MWCNT to create a rotational bearing in previous devices has concentrated on smaller diameter tubes and mechanical methods to create the bearing. We here investigate reactive ion etching of a MWCNT as a means to engineer nanomotor comp...

ژورنال: سنجش و ایمنی پرتو 2019

Recently, polymeric nanocomposites have been used as real-time detectors and dosimeters of gamma radiation. In this experimental work, multi-wall carbon nanotubes (MWCNT) were dispersed in polystyrene (PS) martix with a weight percentage of 0.05 wt%. SEM images confirmed the appropriate and uniform distribution of carbon nanotubes in the polymer matrix. The dark current and photocurrent of the ...

2018
Shixin Song Shan Xia Shangkun Jiang Xue Lv Shulin Sun Quanming Li

A facile strategy is adopted to prepare carboxylic functionalized multiwalled carbon nanotube (c-MWCNT) modified high dielectric constant (high-k) poly(vinylidene fluoride) (PVDF) composites with the aid of methyl methacrylate-co-glycidyl methacrylate copolymer (MG). The MG is miscible with PVDF and the epoxy groups of the copolymer can react with the carboxylic groups of c-MWCNT, which induce ...

2016
Yue Wang Yasumasa Okazaki Lei Shi Hiro Kohda Minoru Tanaka Kentaro Taki Tomoki Nishioka Tasuku Hirayama Hideko Nagasawa Yoriko Yamashita Shinya Toyokuni

Multi-wall carbon nanotubes (MWCNT) are a form of flexible fibrous nanomaterial with high electrical and thermal conductivity. However, 50-nm MWCNT in diameter causes malignant mesothelioma (MM) in rodents and, thus, the International Agency of Research on Cancer has designated them as a possible human carcinogen. Little is known about the molecular mechanism through which MWCNT causes MM. To e...

Journal: :iranian chemical communication 2016
mir ghasem hosseini elham shahryari

composite electrodes of polyaniline/mno2-multi walled carbon nanotube (pani/mno2-mwcnt), mno2-mwcnt nanocomposites and mwcnt was produced by the in situ direct coating approach. the supercapacitor performance of the nanocomposites was studied by fourier transform infrared (ft-ir) spectroscopy and scanning electron microscopy (sem). the electrochemical properties of electrodes were also investig...

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