نتایج جستجو برای: patch density pd

تعداد نتایج: 505774  

A. S. Meigooni R. Faghihi S. Sina

Background: The artificial neural networks (ANNs) are useful in solving nonlinear processes, without the need for mathematical models of the parameters. Since the relationship between the CT numbers and material compositions is not linear, ANN can be used for obtaining tissue density and composition.Objective: The aim of this study is to utilize ANN for determination of the composition and mass...

2012
Saraya Tavornpanich Mathilde Paul Hildegunn Viljugrein David Abrial Daniel Jimenez Edgar Brun

BACKGROUND Outbreaks of pancreas disease (PD) greatly contribute to economic losses due to high mortality, control measures, interrupted production cycles, reduced feed conversion and flesh quality in the aquaculture industries in European salmon-producing countries. The overall objective of this study was to evaluate an effect of potential factors contributing to PD occurrence accounting for s...

Journal: :Psychiatria Danubina 2015
Isil Gogcegoz Gul Birgul Elbozan Cumurcu Rifat Karlidag Yusuf Turkoz

BACKGROUND We aimed to evaluate serum ghrelin (GHR) levels and lipid profile in panic disorder (PD), with and without agoraphobia, and to compare these parameters before and after treatment. SUBJECTS AND METHODS The GHR and lipid profiles were measured in blood samples taken from 31 PD patients with agoraphobia, 22 PD patients without agoraphobia, and 53 control group subjects. 23 of the 53 p...

2014
Stefano Santoro Luca Deiana Gui-Ling Zhao Shuangzheng Lin Fahmi Himo Armando Coŕdova

The reaction mechanism for the palladium and amine cocatalyzed carbocyclization of aldehydes with alkynes has been investigated by means of density functional theory calculations and experiments. The Pd/amine cocatalyzed transformation is a carbocyclization of in situ generated enaminynes where the C−C bond-forming step is most likely promoted by a Pd(II) species. Notably, the latent Pd(0)/ Pd(...

2013
Hyun You Kim Graeme Henkelman

We use density functional theory (DFT) to study CO-adsorption-induced Pd surface segregation in Au/Pd bimetallic surfaces, dynamics of Pd−Au swapping, effect of defects on the swapping rate, CO-induced Pd clustering, and the reaction mechanism of CO oxidation. The strong COphilic nature of Pd atoms supplies a driving force for the preferential surface segregation of Pd atoms and Pd cluster form...

2013
Haiyan Mao Xiaoli Lu Justin Michael Karush Xiaoyan Huang Xi Yang Yanna Ba Ying Wang Ningsheng Liu Jianqing Zhou Jiangfang Lian

BACKGROUND Treatment of LQT2 is inadequate. Many drugs which can pharmacologically rescue defective protein trafficking in LQT2 also result in potent blockade of HERG current, negating their therapeutic benefit. It is reported that PD-118057 and thapsigargin can rescue LQT2 without hERG channel blockade, but the precise mechanism of action is unknown. Furthermore, the effect of PD-118057 and th...

2017
In Ja Park Soyeon An Sang-Yeob Kim Hye Min Lim Seung-Mo Hong Mi-Ju Kim Yun Jae Kim Chang Sik Yu

We evaluate whether the tumor immune infiltrate (TIL) could be used for prediction of responsiveness to preoperative chemoradiotherapy (PCRT) in rectal cancers. Using formalin-fixed paraffin-embedded slides of pretreatment biopsies, co-stain for CD4, CD8, CD274 (PD-L1), FOXP3, cytokeratin, and DAPI was performed with Opal multi staining kit (Perkin-Elmer, Waltham, MA). Multispectral imaging and...

2007
Jong-Ho Cha Ki-Sub Kim Sukjeong Choi Sun-Hwa Yeon Huen Lee Chul-Soo Lee Jae-Jin Shim

−We have successfully synthesized morpholinium ionic liquid-stabilized palladium (Pd) nanoparticles by electrochemical reduction. For characterization of Pd nanoparticles, FT-IR, UV-visible spectroscopy, and Transmission electron microscopy (TEM) were employed. The FT-IR spectrum of Pd nanoparticles indicated the surface binding of the IL to the nanoparticles. The UV-visible spectrum showed tha...

2015
Peng Wu Yiyin Huang Longtian Kang Maoxiang Wu Yaobing Wang

A series of palladium-based catalysts of metal alloying (Sn, Pb) and/or (N-doped) graphene support with regular enhanced electrocatalytic activity were investigated. The peak current density (118.05 mA cm(-2)) of PdSn/NG is higher than the sum current density (45.63 + 47.59 mA cm(-2)) of Pd/NG and PdSn/G. It reveals a synergistic electrocatalytic oxidation effect in PdSn/N-doped graphene Nanoco...

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