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Hybrid use of steel and carbon-fiber reinforced concrete for monitoring of crac...

Ding, Yining; Han, Z.; Zhang, Y.; Azevedo, Cecília Maria

In order to study the damage after concrete cracking, the influence of the combined use of steel fiber and carbon fiber on the conductivity and crack resistance of concrete beam under flexural loading were investigated. Carbon fiber and steel fiber were added as diphasic conductive materials to produce the electric conductive and ductile concrete. This paper reports the experimental and analytical work associat...


GM1 improves neurofascin155 association with lipid rafts and prevents rat brain...

Zhang,Y.P.; Huang,Q.L.; Zhao,C.M.; Tang,J.L.; Wang,Y.L.

White matter injury characterized by damage to myelin is an important process in hypoxic-ischemic brain damage (HIBD). Because the oligodendrocyte-specific isoform of neurofascin, neurofascin 155 (NF155), and its association with lipid rafts are essential for the establishment and stabilization of the paranodal junction, which is required for tight interaction between myelin and axons, we analyzed the effect of...

Data: 2011   |   Origem: OASIS br

Ischemic post-conditioning attenuates the intestinal injury induced by limb isc...

Leng,Y.F.; Zhang,Y.; Zhang,Y.; Xue,X.; Wang,T.; Kang,Y.Q.

The purpose of this study was to investigate the protective effects of ischemic post-conditioning on damage to the barrier function of the small intestine caused by limb ischemia-reperfusion injury. Male Wistar rats were randomly divided into 3 groups (N = 36 each): sham operated (group S), lower limb ischemia-reperfusion (group LIR), and post-conditioning (group PC). Each group was divided into subgroups (N = ...

Data: 2011   |   Origem: OASIS br

Cytotoxicity of Marchantia convoluta leaf extracts to human liver and lung canc...

Xiao,J.B.; Chen,X.Q.; Zhang,Y.W.; Jiang,X.Y.; Xu,M.

The cytotoxicity of three extracts (petroleum ether, ethyl acetate and n-butanol) from a plant used in folk medicine, Marchantia convoluta, to human non-small cell lung carcinoma (H1299) and liver carcinoma (HepG2) cell lines was tested. After 72-h incubation of lung and liver cancer cell cultures with varying concentrations of extracts (15 to 200 µg/mL), cytotoxicity was determined by the 3-(4,5-dimethylthiazo...

Data: 2006   |   Origem: OASIS br

High-spin states populated in deep-inelastic reactions

Mohammadi,S.; Podolyák,Zs.; de Angelis,G.; Axiotis,M.; Bazzacco,D.; Bizzeti,P.G.; Brandolini,F.; Broda,R.; Bucurescu,D.; Farnea,E.; Gelletly,W.

High spin states in the neutron rich 188Os and 190Os nuclei have been populated using the 82Se + 192Os deepinelastic reaction. The level schemes are extended up to spin I <FONT FACE=Symbol>&raquo;</FONT>21. The observed new structures are tentatively interpreted as fragments of rotational bands built on multi-quasiparticle configurations.

Data: 2004   |   Origem: OASIS br

The unusual morphology, structure, and magnetic property evolution of glassy ca...

Jin,C.Q.; Wang,X.; Liu,Z.X.; Zhang,Y.L.; Li,F.Y.; Yu,R.C.

Glassy carbon (GC) has been high-pressure high-temperature treated. An interesting morphology evolution from the pristine sample to the high pressure products was observed. It is found that GC can be graphitized under pressure at a temperature much lower than that at ambient condition. Furthermore the in-situ structure and electrical measurements of GC and graphitized glassy carbon (GGC) under high temperature ...

Data: 2003   |   Origem: OASIS br

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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia