نتایج جستجو برای: fe injection

تعداد نتایج: 235351  

Journal: :Japanese Journal of Applied Physics 2003

Journal: :Nature materials 2011
K Ando S Takahashi J Ieda H Kurebayashi T Trypiniotis C H W Barnes S Maekawa E Saitoh

Injection of spin currents into solids is crucial for exploring spin physics and spintronics. There has been significant progress in recent years in spin injection into high-resistivity materials, for example, semiconductors and organic materials, which uses tunnel barriers to circumvent the impedance mismatch problem; the impedance mismatch between ferromagnetic metals and high-resistivity mat...

2016
P. K. Johnny Wong Wen Zhang Jing Wu Iain G. Will Yongbing Xu Ke Xia Stuart N. Holmes Ian Farrer Harvey E. Beere Dave A. Ritchie

The integration of magnetic materials with semiconductors will lead to the development of the next spintronics devices such as spin field effect transistor (SFET), which is capable of both data storage and processing. While the fabrication and transport studies of lateral SFET have attracted greatly attentions, there are only few studies of vertical devices, which may offer the opportunity for ...

Journal: :Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 2006
H R Matos S A Marques O F Gomes A A Silva J C Heimann P Di Mascio M H G Medeiros

It has been suggested that iron overload may be carcinogenic. In the present study, we evaluated the effect of plasma and prostate carotenoid concentration on oxidative DNA damage in 12-week-old Wistar rats treated with intraperitoneal (ip) ferric nitrilotriacetate (Fe-NTA) (10 mg Fe/kg). Plasma beta-carotene and lycopene concentrations were measured as a function of time after ip injection of ...

2014
Kapildeb Dolui Awadhesh Narayan Ivan Rungger Stefano Sanvito

We demonstrate giant magnetoresistance in Fe/MoS2/Fe junctions by means of ab initio transport calculations. We show that junctions incorporating either a monolayer or a bilayer of MoS2 are metallic and that Fe acts as an efficient spin injector into MoS2 with an efficiency of about 45%. This is the result of the strong coupling between the Fe and S atoms at the interface. For junctions of grea...

Journal: :The Journal of Automatic Chemistry 1993
J. S. Cosano M. D. Luque de Castro M. Valcárcel

This paper describes an integrated flow injection (FI) system for the determination of ammonia, sulphate and Fe(II)/Fe(III) which can work unattended for long periods. The system was designed for the determination of individual analytes in long series of samples. Each batch of samples requires manual selection of parameters and units, such as wavelength for monitoring, preconcentration column, ...

Journal: :The British journal of nutrition 1968
H Tarvydas S M Jordan E H Morgan

I . Iron metabolism was studied during lactation in the rabbit by the intravenous injection of 59Fe in order to measure plasma Fe turnover, Fe transfer to the milk and Fe absorption by the suckling young. 2. Although the plasma and red cell volumes were elevated in the lactating animal a significant increase of plasma Fe turnover was not demonstrated. 3 . Between 2.5 and 11.5 yo of the injected...

Journal: :Journal of pharmaceutical sciences 2000
R A Yokel A M Fredenburg P W Durbin J Xu M K Rayens K N Raymond

Bidentate hydroxypyridinone chelators effectively complex and facilitate excretion of trivalent iron. To test the hypothesis that hexadentate chelators are more effective than bidentate chelators at low concentrations, urinary and biliary Fe excretions were determined in Fe-loaded rats before and after administration of a bidentate chelator, Pr-(Me-3,2-HOPO), or its hexadentate analogue, TREN-(...

Journal: :Physical review letters 2011
B Heinrich C Burrowes E Montoya B Kardasz E Girt Young-Yeal Song Yiyan Sun Mingzhong Wu

Spin injection across the ferrimagnetic insulator (YIG)/normal metal (Au) interface was studied by ferromagnetic resonance. The spin mixing conductance was determined by comparing the Gilbert damping in bare YIG films with those covered by a Au/Fe/Au structure. The Fe layer in Au/Fe/Au acted as a spin sink as displayed by an increased Gilbert damping parameter α compared to that in the bare YIG...

2017
Makoto Ohtake Masanari Umemura Itaru Sato Taisuke Akimoto Kayoko Oda Akane Nagasako Jeong-Hwan Kim Takayuki Fujita Utako Yokoyama Tomohiro Nakayama Yujiro Hoshino Mai Ishiba Susumu Tokura Masakazu Hara Tomoya Muramoto Sotoshi Yamada Takatsugu Masuda Ichio Aoki Yasushi Takemura Hidetoshi Murata Haruki Eguchi Nobutaka Kawahara Yoshihiro Ishikawa

We previously reported that μ-oxo N,N'-bis(salicylidene)ethylenediamine iron [Fe(Salen)], a magnetic organic compound, has direct anti-tumor activity, and generates heat in an alternating magnetic field (AMF). We showed that Fe(Salen) nanoparticles are useful for combined hyperthermia-chemotherapy of tongue cancer. Here, we have examined the effect of Fe(Salen) on human glioblastoma (GB). Fe(Sa...

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