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Articles Related to Nanoscience

Complete Green Synthesis of Gold Nanoparticles using Laser Ablation in Deionized Water Containing Chitosan and Starch

In this paper we report our results on the green synthesis of nontoxic, stable, and small size gold nanoparticle suspensions. We used the single and two-beam laser to ablate a gold target submerged in deionized water containing chitosan or starch as the stabilizing agent. Since both chitosan and starch are biodegradable and biocompatible, use of these natural polymers for gold nanoparticle protection and stabilization does not introduce any environmental toxicity or biological hazards.
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Flexural Strength of Provisional Crown and Fixed Partial Denture Resins both with and without Reinforced Fiber

Fabrication of provisional restorations is an important procedure in fixed prosthodontics. Provisional restorations must satisfy the requirements of pulpal protection, positional stability, occlusal function, ability to be cleansed; margin accuracy, wear resistance, strength, and esthetics.
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The Ni(II) Complex of 2-Hydroxy-Pyridine-N-Oxide 2-Isothionate: Synthesis, Characterization, Biological Studies, and X-ray Crystal Structures using (1) Cu Kα Data and (2) Synchrotron Data

C12H20N6NiO6S2 or NiL2(SCN)2](NH4)2.2H2O, where L is 2-hydroxy-pyridine-N-oxide, has been prepared and characterized using elemental analyses, IR, UV and visible spectrometry, magnetic moment measurements, thermal analyses and single crystal X-ray analyis. The results indicate that the complex reacts as a bidentate ligand and is bound to the metal ion via the two oxygen atoms of the ligand (HL).
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Polymer Nanocomposite: A Promising Flame Retardant

Fire has long been a major hazard in our lives. From the fire protection engineering point of view, most fire hazards could be controlled when we consider all contribution factors, such as ignitability, flame spread, materials flammability, and fire suppression.
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Application of Nanotechnology in Photovoltaic

Nanotechnology mainly consists of the processing, separation, consolidation, and deformation of materials by one atom or by one molecule. It is an applied research of materials and devices operated at nanometer scale.
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Sustainable Nanomaterials: A Greener Future Avenue?

The field of nanoscience has experienced a staggering number of advances in recent years with regards to a wide range of disciplines including physics, chemistry, materials science, biology and medicine.
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Estimation of the Thermodynamics of Ionic Materials

Thermodynamics provides the primary information regarding the feasibility of synthesis and stability of materials, principally through the quantities: heat capacity, Cp; entropy, S; enthalpy of formation, ΔfH; the Gibbs energy of formation, ΔfG, andamplified by lattice energy, ΔLU.
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Polymeric Nano-Fibers and Modified Nano-Fibers Assembly in 3D Network for Different Potential Applications

Polymeric nano-fiber based materials and their application is one of the research areas in materials science and nanotechnology. Nano-fibrous materials are receiving extensive research interest for applications in diverse fields as biosensors, optical and chemical sensors, stimuli-responsive or "smart" materials, bioreactors, drug delivery carriers, etc.
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The Shape Memory Phenomenon: An Intrinsic Feature of Materials after Programming

Naturally, all materials are able to response to some particular stimuli via changing their one or more chemical/physical properties accordingly. Among these properties, the ability for shape change can be harnessed for motion and/or force generation.
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Synthesis and Characterization of Nanocomposites Using the Nanoscale Laser Soldering in Liquid Technique

We have synthesized Au/CuO and Au/ZnO nanocomposites using the laser soldering technique. The process was carried out by irradiating a solution containing Au-CuO and Au-ZnO nanoparticles using 532 nm laser pulses of 0.1 J/cm2 continuously for 20 minutes.
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Materials Science and Nanotechnology

I feel much honored to have been appointed as the new editorial board member of Journal of Materials Science and Nanotechnology. This is the 1st year of Journal of Materials Science and Nanotechnology. I am pleased to see that the new innovative advances have seen materials science and nanotechnology gaining further recognition within the international materials science and nanotechnology community.
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Welcome to Journal of Materials Science and Nanotechnology

Why one more journal on materials and/or nanotechnology? Well, we all live in a nano-materials world. Trivially enough, each and every object, tool or device is made up of structured matter. At the same time, matter is intrinsically structured at the nanoscale level, via ions, atoms and molecules, and related assemblies.
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The Effects of the Film Thickness and Roughness in the Anodization Process of Very Thin Aluminum Films

The anodization of aluminum foils having micrometer thickness is a common process and results in hexagonally self-ordered alumina membranes. However, anodic aluminum oxide (AAO) membranes fabricated from nanometer-thin films present new challenges to the anodization process, since aluminum films adheres poorly on supporting substrates and the smoothness of the film is highly related to the kind of substrate.
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Anodic Oxidation of Titanium in Sulphuric Acid and Phosphoric Acid Electrolytes

Anodisation of pure titanium has been carried out in sulphuric and in phosphoric acid solutions at potentials ranging from 50 to 150V. The SEM and AFM morphological analysis indicates that, within this potential range, oxidation in sulphuric acid solution produces better developed mesoporous oxide layers.
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Fabrication of Ordered Arrays of Anodic Aluminum Oxide Pores with Interpore Distance Smaller than the Pitch of Nano-pits formed by Ion Beam Etching

We investigated a method for preparation of ordered nanopore arrays with the interpore distance of 60 nm by guided self-organization of anodic aluminum oxide with a prepatterned array of pits in the starting Al film.
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Preparation of Large Area Anodic Alumina Membranes and their Application to Thin Film Fuel Cell

The design of an electrochemical reactor for the preparation of self-supported comparatively thin (up to 10 μm) and large area (up to 50 cm2) anodic alumina membranes is described allowing growth of porous alumina at high applied potential (up to 150 V) without burning.
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Fabrication of Vertical Cu2ZnSnS4 Nanowire Arrays by Two-Step Electroplating Method into Anodic Aluminum Oxide Template

Vertical Cu2ZnSnS4 (CZTS) nanowire arrays have been synthesized via two-step electroplating method into anodized aluminum oxide template. For deposition of CZTS nanowires, anodized aluminum oxide (AAO) was used as the growth mask for the growth of the nanowires. AAO templates with hole sizes of 70 nm in diameter were used in the experiments.
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Fabrication and Luminescence of Anodic Alumina with Incorporated Vanadyl Citrate Chelate Anions

Anodic aluminum oxide doped with vanadyl citrate chelate complex anions was formed by a two-step self-organized anodization in 2 wt. % sulfuric acid containing 0.04 M V2O5 and 0.08 M citric acid at voltage range 13-23 V, and at 0 and 15 oC. The combination of two temperatures and at least four voltages (depending on the applied temperature) was applied as the operating conditions of anodization.
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Synthesis of BaTiO3 Nanowires via Anodic Aluminum Oxide Template Method Assisted by Vacuum-and-Drop Loading

In this paper, we report on the synthesis of BaTiO3 nanowires via the anodic aluminum oxide template method. To fill in the precursors of BaTiO3 into anodic aluminum oxide templates, the vacuum and drop loading method developed in our previous study was used. Ba(CH3COO)2 (barium acetate) and C12H28O4Ti (tetraisopropyl orthotitanate) were used as Ba and Ti sources, respectively. Anodic aluminum oxide membranes with the through-hole diameter of ~200 nm were used as the template for BaTiO3 nanowires.
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Editorial Board Members Related to Nanoscience

SANWU WANG

Associate Professor
Department of Physics and Engineering Physics
The University of Tulsa
United States

Murugan Ramalingam

Professor
Department of Centre for Stem Cell Research
Adjunct Professor at Tohoku University, Japan
Christian Medical College
India

HARRY E. RUDA

Professor
Department of Materials Science and Engineering
University of Toronto
Canada
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