Percutaneous Aortic Fenestration for Symptomatic Type B Aortic Dissection

Semin intervent Radiol 2017; 34: 220-224 DOI: 10.1055/s-0037-1602654 Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.Article in Thieme eJournals: Table of contents  |  Full text
Source: Seminars in Interventional Radiology - Category: Radiology Authors: Tags: Trainee Corner Source Type: research

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AbstractIn this article, we are presenting the results of model calculations for (n,p) and (n,2n) reaction cross sections using the standard nuclear reaction codes TALYS-1.8 and EMPIRE-3.2 for67,70Zn,92,96,100Mo and208Pb isotopes in neutron energy range 0 –20 MeV. Different nuclear level density models and optical model potential available in the codes have been tested for the estimation of cross sections of desired nuclear reactions. Moreover, in this work, the contribution to the cross section from different reaction mechanisms such as compound nucleus process, pre-equilibrium emission and direct reaction is a...
Source: Journal of Radioanalytical and Nuclear Chemistry - Category: Nuclear Medicine Source Type: research
AbstractThe quasi-fission and fission mass distributions for48Ti  + 238U  → 286Fl* and48Ca  + 244Pu  → 292Fl* reactions are investigated within dynamical cluster decay model by addressing the experimentally available symmetric fission (A/2  ± 20) and asymmetric quasi-fission cross-sections in nuclear deformation space. The contribution of quasi-fission components comes out to be negligibly small for spherical constitution of fragments, which increases significantly on adding deformation effects with the appearance of some sharp p eaks in...
Source: Journal of Radioanalytical and Nuclear Chemistry - Category: Nuclear Medicine Source Type: research
AbstractThe activity concentrations of natural radionuclides from the238U and232Th series and singly occurring radionuclide40K have been assessed in most commonly used building materials in Kannur district, Kerala, using well established gamma ray spectrometry employing 5  cm × 5 cm scintillation NaI (Tl) detector. The results of the present work include activities of radionuclides viz.40K,226Ra and232Th and associated radiological parameters. The important and expected significant parameters estimated from the activities were radium equivalent activity (Raeq), hazard indexes and dose paramete...
Source: Journal of Radioanalytical and Nuclear Chemistry - Category: Nuclear Medicine Source Type: research
AbstractA methodology for separation and purification of210Po from uranium, thorium and daughters has been studied. Solvent extraction coupled with liquid scintillation analysis using HDEHP (di-(2-ethylhexyl) phosphoric acid) and TOPO (trioctylphosphine oxide) in toluene as extractive scintillator was optimized. About 95% of210Po was extracted in the organic phase of TOPO as an extracting agent from an aqueous solution in 1  M HCl, compared to 1.6% extraction by HDEHP. The methodology was validated with uranium ore tailing sample, IAEA-385 sediment and IAEA-447 Moss-soil reference materials for application to environm...
Source: Journal of Radioanalytical and Nuclear Chemistry - Category: Nuclear Medicine Source Type: research
AbstractAlthough the coral island ‘St. Martin’s’ serves as the most attractive place for leisure and tourism, but no data on radioactivity in coral skeleton is reported elsewhere. The mean activity concentrations (Bq/kg) for natural radionuclides226Ra,232Th and40K in the sediment and coral reefs collected from the coastal waters of the Island were found to be 30.7  ± 2.1, 36.8 ± 2.8 and 388 ± 30, and 16.5 ± 1.3, 28.7 ± 1.9 and 334 ± 26, respectively; all lie within the respective w...
Source: Journal of Radioanalytical and Nuclear Chemistry - Category: Nuclear Medicine Source Type: research
Weskly F Lago, Natalia V de Carvalho, Natalia L Chaves, Marina A Radicchi, Marcelo H Sousa, Wagner Fontes, Marcelo Valle de Sousa and Sonia Nair Bao
Source: Journal of Nanomedicine and Nanotechnology - Category: Nanotechnology Source Type: research
Publication date: Available online 18 September 2019Source: Physica E: Low-dimensional Systems and NanostructuresAuthor(s): Mu Wen Chuan, Kien Liong Wong, Afiq Hamzah, Shahrizal Rusli, Nurul Ezaila Alias, Cheng Siong Lim, Michael Loong Peng TanAbstractUnlike graphene which requires redesigned fabrication technique, silicene is predicted to be compatible with the silicon wafer technology. However, similar to graphene, the gapless properties of silicene hinder its application as field-effect transistors (FETs). By employing nearest neighbour tight-binding (NNTB) approach and Landuaer-Büttiker formalism, the analytical e...
Source: Physica E: Low dimensional Systems and Nanostructures - Category: Nanotechnology Source Type: research
Publication date: Available online 18 September 2019Source: Nano TodayAuthor(s):
Source: Nano Today - Category: Nanotechnology Source Type: research
Publication date: December 2019Source: Nano Energy, Volume 66Author(s): Bangsen Ouyang, Cheng Chang, Li-Dong Zhao, Zhong Lin Wang, Ya YangAbstractSelf-powered photodetectors (PDs) have attracted great attentions due to energy shortage and the upcoming internet of things. However, the bottleneck of traditional methods to enhance the output performances of self-powered PDs are largely limited. Here, we report a dramatic coupling enhancement ("1 + 1>2") of the output signals in a bromine doped tin selenide (SnSe:Br) single crystal due to the thermo-photoelectric coupled effect for enhanced self-powered ...
Source: Nano Energy - Category: Nanotechnology Source Type: research
Publication date: November 2019Source: Colloid and Interface Science Communications, Volume 33Author(s): Arifa Shaheen, Rabia Arif, Ab Waheed Mir, Sumbul RehmanAbstractA series containing higher members of ethyl-substituted imidazolium-based surface active ionic liquids (SAILs) [Cneim]Br, (n = 12, 14, 16) has been synthesized by a two-step reaction pathway. They were characterized by FT-IR, 1H NMR and 13C NMR and their effect on self-aggregation behavior in aqueous solution has been examined, employing conductometric and tensiometric methods besides fluorescence measurements and UV-visible spectroscopy. The conductivit...
Source: Colloids and Interface Science Communications - Category: Nanotechnology Source Type: research
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