نتایج جستجو برای: c20 fullerene

تعداد نتایج: 6119  

Journal: :The Journal of biological chemistry 1976
H C Yohe D E Roark A Rosenberg

Aggregation properties of gangliosides, the major synaptic membrane glycosphingolipids of mammalian brain, may prevent their segregation during membrane assembly and promote a uniform membrane matrix with minimum maintenance energy. The sphingosine residues of bovine brain gangliosides show an increase in C20-sphingosine corresponding with an increase in sialic acid. Concentrations of C20-sphin...

2016
Megumi Funakoshi-Tago Takahiro Hattori Fumihito Ueda Kenji Tago Tomoyuki Ohe Tadahiko Mashino Hiroomi Tamura

Obesity and its associated metabolic diseases represent some of the most rapidly expanding health issues worldwide, and, thus, the development of a novel chemical compound to suppress adipogenesis is strongly expected. We herein investigated the effects of water-soluble fullerene derivatives: a bis-malonic acid derivative and three types of proline-type fullerene derivatives, on adipogenesis us...

2009
Heping Zhang

A fullerene graph is a cubic 3-connected plane graph with (exactly 12) pentagonal faces and hexagonal faces. Let Fn be a fullerene graph with n vertices. A set H of mutually disjoint hexagons of Fn is a sextet pattern if Fn has a perfect matching which alternates on and off each hexagon in H. The maximum cardinality of sextet patterns of Fn is the Clar number of Fn. It was shown that the Clar n...

Journal: :Physical chemistry chemical physics : PCCP 2016
Zhan-Wei Li You-Liang Zhu Zhong-Yuan Lu Zhao-Yan Sun

How to create novel desired structures by rational design of building blocks represents a significant challenge in materials science. Here we report a conceptually new design principle for creating supracolloidal fullerene-like cages through the self-assembly of soft patchy particles interacting via directional nonbonded interactions by mimicking non-planar sp2 hybridized carbon atoms in C60. O...

2016
Yang Bai Qingfeng Dong Yuchuan Shao Yehao Deng Qi Wang Liang Shen Dong Wang Wei Wei Jinsong Huang

The instability of hybrid perovskite materials due to water and moisture arises as one major challenge to be addressed before any practical application of the demonstrated high efficiency perovskite solar cells. Here we report a facile strategy that can simultaneously enhance the stability and efficiency of p-i-n planar heterojunction-structure perovskite devices. Crosslinkable silane molecules...

2012
Ashish Goswami Rakesh Sharma

In this paper, LDPC Codes based on defected fullerene graphs have been generated. And it is found that the codes generated are fast in encoding and better in terms of error performance on AWGN Channel. Keywords—LDPC Codes, Fullerene Graphs, Defected Fullerene Graphs.

Background and Objective: Occurrence of oxidative stress in uncontrolled diabetes mellitus affects spermatogenesis and the testicular functions. As the promising antioxidant activities of fullerene C60 nanomaterial have been demonstrated by previous reports, the current study aimed to determine the fullerene C60 effects on the markers of oxidative stress damage in testes of streptozotocin-induc...

Journal: :Toxicological sciences : an official journal of the Society of Toxicology 2008
Gregory L Baker Amit Gupta Mark L Clark Blandina R Valenzuela Lauren M Staska Sam J Harbo Judy T Pierce Jeffery A Dill

While several recent reports have described the toxicity of water-soluble C60 fullerene nanoparticles, none have reported the toxicity resulting from the inhalation exposures to C60 fullerene nanoparticles or microparticles. To address this knowledge gap, we exposed male rats to C60 fullerene nanoparticles (2.22 mg/m3, 55 nm diameter) and microparticles (2.35 mg/m3, 0.93 microm diameter) for 3 ...

2009
A. S. Pimenova A. A. Kozlov P. A. Khavrel

After discovery of fullerenes there were offered a wide variety of ways of their practical use. Nowadays a lot of patents in the field of fullerene chemistry concern use of fullerenes and nanotubes in semiconductor and nanoeletronic devices, e.g. photodiodes, transistors, sun batteries. Due to high electronegativity, fullerene C60 can easily form charge-transfer complexes in which it acts as ac...

Journal: :Materials advances 2021

Amphiphilic γ-cyclodextrin–fullerene 2:1 complexes (C L FC H complexes) were prepared by high-speed vibration milling of lipophilic tail-grafted γ-cyclodextrin (γ-CD), hydrophilic γ-CD and fullerene C 60 . The transamidation γ-CD–fullerene complex having two...

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