نتایج جستجو برای: nanoparticle compounds

تعداد نتایج: 256750  

Journal: :international journal of nano dimension 0
s. hedayati chemistry department, islamic azad university-ardabil branch, ardabil, iran. a. hassanzadeh chemistry department, urmia university, urmia, iran. b. shaabani chemistry department, tabriz ,university, tabriz, iran. m. alem chemistry department, islamic azad university-ardabil branch, ardabil, iran. e. hobbolahi chemistry department, islamic azad university-ardabil branch, ardabil, iran.

one of the best and the most active ways for surveying thermal behaviour of materials is using differential scanning calorimetry. in this paper, the authors have studied thermal behaviour for schiff base ligand and their synthesized cobalt, nickel complexes. in this method, the sample is opposed to a controlled temperature change and its physical properties. here we studied melting point and tg...

2018
Chong-You Chen Chia-Hsuan Chang Chang-Ming Wang Yi-Jing Li Hsiao-Yuan Chu Hong-Hseng Chan Yu-Wei Huang Wei-Ssu Liao

Nanoparticle alignment on the substrate attracts considerable attention due to its wide application in different fields, such as mechanical control, small size electronics, bio/chemical sensing, molecular manipulation, and energy harvesting. However, precise nanoparticle positioning and deposition control with high fidelity are still challenging. Herein, a straightforward strategy for high qual...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2005
James F Gilchrist Angel T Chan Eric R Weeks Jennifer A Lewis

We investigate the phase behavior and 3D structure of strongly attractive mixtures of silica microspheres and polystyrene nanoparticles. These binary mixtures are electrostatically tuned to promote a repulsion between like-charged (microsphere-microsphere and nanoparticle-nanoparticle) species and a strong attraction between oppositely charged (microsphere-nanoparticle) species. Using confocal ...

Journal: :Beverages 2022

The phenolic, aromatic and nitrogen composition of a wine determines its organoleptic profile quality. Elicitors have been used as tool to stimulate the plant’s defense systems, favoring synthesis secondary metabolites. In this pioneering study, elicitor methyl jasmonate in conventional form (MeJ) nanoparticle (ACP-MeJ), with concentration ten times lower, was applied Tempranillo vineyard over ...

2016
Aaron C. Anselmo Samir Mitragotri

Nanoparticle/microparticle-based drug delivery systems for systemic (i.e., intravenous) applications have significant advantages over their nonformulated and free drug counterparts. For example, nanoparticle systems are capable of delivering therapeutics and treating areas of the body that other delivery systems cannot reach. As such, nanoparticle drug delivery and imaging systems are one of th...

2008
Deying Xia Zahyun Ku Dong Li S. R. J. Brueck

We report a simple approach to the fabrication of hierarchical nanoparticle arrays and film patterns using a novel combination of colloidal lithography (CL), two-step self-assembly, and reactive-ion etching (RIE). In this approach, a uniform nanoparticle film (∼15-50 nm particle diameter) is first deposited on a substrate. Then, larger (several hundred to thousands of nanometers diameter) micro...

Journal: :physical chemistry research 0
leila separdar department of physics, college of sciences, shiraz university, shiraz 71454, iran saeid davatolhagh department of physics, college of sciences, shiraz university, shiraz 71454, iran

molecular dynamics simulation has been performed to analyze the effect of the presence of gold nanoparticle on dynamics of kob-anderson binary lennard-jones (blj) mixture upon supercooling within the framework of the mode coupling theory of the dynamic glass transition. the presence of gold nanoparticle has a direct effect on the liquid structure and causes the peaks of the radial distribution ...

Journal: :Optics express 2008
Xudong Cui Daniel Erni Christian Hafner

We investigate the optical forces acting on a metallic nanoparticle when the nanoparticle is introduced within a photonic nanojet (PNJ). Optical forces at resonance and off-resonance conditions of the microcylinder or nanoparticle are investigated. Under proper polarization conditions, the whispering gallery mode can be excited in the microcylinder, even at off resonance provided that scatterin...

Journal: :Jurnal Sains Materi Indonesia 2021

THE EFFECT OF CALCINATION TEMPERATURE TO COMPOSITECHARACTERISTICS TiO2SiO2 NANOPARTICLE. Self-cleaning material is a that utilizes the photocatalytic property to degrade organic and inorganic compounds with help of UV light. One materials have good TiO2, causes TiO2 be amphiphilic: becomes hydrophilic when there light hydrophobic no The can improved addition buffer such as SiO2. nanoparticle wa...

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