نتایج جستجو برای: bn nano cone

تعداد نتایج: 99961  

2016
Bikramjeet Singh Gurpreet Kaur Paviter Singh Kulwinder Singh Baban Kumar Ankush Vij Manjeet Kumar Rajni Bala Ramovatar Meena Ajay Singh Anup Thakur Akshay Kumar

Highly water dispersible boron based compounds are innovative and advanced materials which can be used in Boron Neutron Capture Therapy for cancer treatment (BNCT). Present study deals with the synthesis of highly water dispersible nanostructured Boron Nitride (BN). Unique and relatively low temperature synthesis route is the soul of present study. The morphological examinations (Scanning/trans...

2013
A. Siretskiy

In this paper a stepwise compaction process of a ring semi-stiff polymer chain placed in a 3d conical nano-cavity and being under the action of the increasing external field is studied. Compaction from a circlelike shape to several toroidal-like loops for a three-dimensional system was observed. The thermodynamic stability of these toroidal-like structures was investigated by observing a hyster...

Journal: :Chinese Physics B 2021

Silicene is a promising 2D Dirac material as building block for van der Waals heterostructures (vdWHs). Here we investigate the electronic properties of hexagonal boron nitride/silicene (BN/Si) vdWHs using first-principles calculations. We calculate energy band structures BN/Si/BN with different rotation angles and find that silicene are retained protected robustly by BN layers. In BN/Si/BN/Si/...

Journal: :Drug and alcohol dependence 2006
Alexis E Duncan Rosalind J Neuman John R Kramer Samuel Kuperman Victor M Hesselbrock Kathleen Keenan Bucholz

Previous work from our group revealed two groups of women with bulimia nervosa (BN), one with, and one without alcohol dependence (AD). The current study sought to determine whether women with lifetime BN and AD (BN+AD+) were more similar to women with BN and no AD (BN+AD-) or to women with AD and no BN (BN-AD+) in terms of lifetime psychiatric comorbidity and psychological functioning. Data on...

Journal: :Physical chemistry chemical physics : PCCP 2015
Dorothea Golze Jürg Hutter Marcella Iannuzzi

The wetting of water on corrugated and flat hexagonal boron nitride (h-BN) monolayers on Rh(111) is studied within a hybrid quantum mechanics/molecular mechanics (QM/MM) approach. Water is treated by QM methods, whereas the interactions between liquid and substrate are described at the MM level. The electrostatic properties of the substrate are reproduced by assigning specifically generated par...

Journal: :journal of physical & theoretical chemistry 2013
nasrin zeighami asadollah boshra ahmad reza oliaey

the structures and stability of 531 novel boron nitride substituted isomers of 12-crown-4 etherverified theoretically. for a collection of 23 selected bn isomers, structural geometry, vibrationalstability, energy gaps, natural bond population analysis, and nonlinear optical responses investigatedtheoretically. the changes of standard enthalpies for ionization reactions and electron affinityreac...

Cancer detection in early stage using a powerful and noninvasive tool is of high global interest. In this experiment, a small-molecular-weight glucose based derivative of Gd3+-1-(4-isothiocyanatobenzyl) diethylene tri amine penta acetic acid (Gd3+-p-SCN-Bn‐DTPA‐DG) as a novel potential MR imaging contrast agents was synthesized. Gd3+-p-SCN-Bn‐DTPA‐DG was synthesized with reacting of Glucosamine...

Journal: :Discrete & Computational Geometry 2006
Jason M. Ribando

The dot product formula allows one to measure an angle determined by two vectors, and a formula known to Euler and Lagrange outputs the measure of a solid angle in R3 given its three spanning vectors. However, there appears to be no closed form expression for the measure of an n-dimensional solid angle for n > 3. We derive a multivariable (infinite) Taylor series expansion to measure a simplici...

Journal: :international journal of nano dimension 0
mahmoud mirzaei bioinformatics research center, department of medicinal chemistry, school of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (isfahan university of medical sciences) rahman salamat ahangari department of chemistry, faculty of basic sciences, azarbaijan shahid madani university, tabriz, iran.سازمان اصلی تایید شده: دانشگاه شهید مدنی (azarbaijan shahid madani university)

stabilizations and atomic level quadrupole coupling constant (cq) properties have been investigated for graphene–like monolayers (g–monolayers) of boron nitride (bn), boron phosphide (bp), aluminum nitride (aln), and aluminum phosphide (alp) structures. to this aim, density functional theory (dft) calculations have been performed to optimize the model structures and also to evaluate the cq para...

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