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Nanotechnology

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Nanotechnology is the manipulation and engineering of materials at the nanoscale, typically between 1 to 100 nanometers. It involves the study and application of unique properties and behaviors of materials at this scale, enabling advancements in various fields such as medicine, electronics, and materials science.
This project presents the Designing of Transformer and Induction Motor. Mathematical equations are used for the designing of Transformer and Induction Motor. They help in determining the dimension and electrical parameters which will... more
Fabrication of Cu/TiO 2 nanocomposite had been successfully performed. A nanocomposite was prepared by the insertion of metal (copper) in the TiO 2 nanoparticles. Cu/TiO 2 nanocomposite was deposited on the FTO glass used the spin coating... more
Breast cancer is currently the most common cancer in women worldwide. It is said that there is no proven method of preventing cancer. However, studies have shown that there are some women's lifestyle factors that have been scientifically... more
This paper reports a fabrication technology which integrates organic opto-electrowetting (OEW) with PEGDA-based microfluidics between stacked ITO glass chips for droplets generation and manipulation. Organic OEW can be realized by using... more
This paper reports on an optoelectrofluidic platform which consists of the organic photoconductive material, titanium oxide phthalocyanine (TiOPc), and the photocrosslinkable polymer, poly (ethylene glycol) diacrylate (PEGDA). TiOPc... more
This paper reports the organic optoelectronic platform which integrates optoelectrowetting (OEW) and optoelectronic tweezers (OET) by spin-coating titanium oxide phthalocyanine (TiOPc) as a photoconductive layer for realizing the... more
We have demonstrated a new planar edge defined alternate layer (PEDAL) process to make sub-25 nm nanowires across the whole wafer. The PEDAL process is useful in the fabrication of metal nanowires directly onto the wafer by shadow... more
We study the kinetics of diffusion-limited coalescence, A+A → A, and annihilation, A+A → 0, in the Bethe lattice of coordination number z. Correlations build up over time so that the probability to find a particle next to another varies... more
The current situation in high-T c superconductivity of the hydrides H 3 S, LaH 10 , and related compounds has been considered from a methodological viewpoint. Both the physical theoretical and historical backgrounds have been presented... more
A new approach to the facile large-scale fabrication of robust silicon membranes with artificial proton conducting channels is presented. Ordered two-dimensional macroporous silicon was rendered proton conducting by growing a thick... more
In an effort to synthesize doped ZnO nanowires, SiO x nanowires were obtained accidently. In the experiment, mixed powders containing chemicals such as ZnO, graphite, Ga 2 O 3 , and In 2 O 3 were placed in the center of a tube furnace,... more
A simple and versatile biomimetic strategy for the fabrication of silica films on a variety of substrates including gold, polystyrene and silicon wafers was developed using nanogram amounts per cm 2 of silicatein. The strategy exploits... more
Biomineral formation is widespread in Nature and occurs in bacteria, single-celled protists, plants, invertebrates and vertebrates. Minerals formed in the biological environment often show unusual physical properties (e.g., strength,... more
Over the past decade, significant progress has been made in the identification of novel material binding peptides having affinity to a wide range of target materials and their use in nanobiotechnological innovations. These material... more
Fabrication and structural characterization of ordered magnetic nanodot arrays over large area 1 CHANG-PENG LI, IGOR V. ROSHCHIN, XAVIER BATLLE 2 , IVAN K. SCHULLER, Physics Dept., UCSD, La Jolla, CA, USA -Self-assembly of nanopores in... more
Nanostructured materials have attracted much research over the recent years, as they provide the critical building blocks for the booming of nanoscience and nanotechnology. Nanostructures have novel properties due to the interplay between... more
Magnetic properties of Fe nanodots are simulated using a scaling technique and Monte Carlo method, in good agreement with experimental results. For the 20-nm-thick dots with diameters larger than 60nm, the magnetization reversal via... more
Diego -The spin structure of an antiferromagnet plays a critically important role as a means to establish a reference state in magnetic devices; however, the spin structure at the surface and interior of an antiferromagnetic thin film... more
Today's demands for high quality digital printing emphasise the importance of paper surface. This work demonstrates the effects of surface topography and appearance on printing quality. Samples were printed in black and white with a laser... more
Relaxors are very interesting materials but they are most of the time restricted to perovskite materials and thus their flexibility is limited. We have previously shown that tetragonal tungsten bronze (TTB) niobates Ba 2 PrFeNb 4 O 15 was... more
The study of novel drug delivery systems represents one of the frontiers of the biomedical research area. Multi-disciplinary scientific approaches combining traditional or engineered technologies are used to provide major advances in... more
Carbon dots, very tiny carbon material with various surface passivations, have emerged as a new class of nanomaterials for various applications. Herein, we describe a simple, economical, and green approach for the synthesis of colloidal... more
Nanostructured (metal/semiconductor) Ag@ZnO a photoactive material is synthesized by facile hydrothermal method. The FESEM analysis of as synthesized Ag@ZnO nanostructures showed formation of submicron-sized microspheres, composed of... more
Multilayered graphene membranes (MGMs) with different packing densities were prepared and used as electrodes for supercapacitors to probe nano-confined electrosorption in porous carbon materials. The electrosorption capacity of MGMs was... more
CdSe/CdS core/shell nanocrystals have been synthesized through a low cost and simple twophase thermal route. The optical spectroscopy and structural characterization evidenced the core/shell structure of the CdSe/CdS nanoparticles. The... more
The synthesis of TiO 2 nanorods with anatase structure has been achieved from the necking of truncated nanoparticles by oriented attachment using titanium ethylenediaminetetraacetic acid (EDTA) chelated complex as a molecular precursor.... more
h i g h l i g h t s g r a p h i c a l a b s t r a c t < CdS/ZnS core/shell nanorods were synthesized using two-step solvothermal approach. < The nanoparticles were characterized by XRD, EDX, SEM, UVevis and TEM. < SEM images revealed the... more
We are surrounded by materials and rheology-everything you see are materials that deform and flow-even if the deformation of some materials is not so obvious. Rheology is just such a science to study how materials deform and flow when... more
Dear Editor I am submitting my paper entitled- Nanotechnology Research in SAARC Nations during 1996 to 2020: A Scientometric Assessment based on Scopus Database for your kind consideration for LPP.
The transport properties of the perovskites KTaO3 are calculated using first-principles methods. Our study is based on Boltzmann transport theory and the relaxation time approximation, where the scattering rate is calculated using an... more
Using first-principles electronic structure calculations, we show that ferromagnetic Heusler compounds Co2MnX (X= Si, Ge, Sn) present non-trivial topological characteristics and belong to the category of Weyl semimetals. These materials... more
Although free-standing sheets of multiwalled carbon nanotubes (MWcnt) can provide interesting electrochemical and physical properties as electrodes for redox flow batteries, the full potential of this class of materials has not been... more
A thermo-chemical treatment method was used to produce biogenic amorphous silica from South African sugarcane and maize residues. Different fractions of South African sugarcane (leaves, pith, and fiber) were processed for silica... more
Imaging large volumes such as entire cells or small model organisms at nanoscale resolution seemed an unrealistic, rather tedious task so far. Now, technical advances have lead to several electron microscopy (EM) large volume imaging... more
New effective antimalarial agents are urgently needed due to increasing drug resistance of Plasmodium falciparum. Phosphorothioate antisense oligodeoxynucleotides (ODNs) silencing of malarial topoisomerase II gene have shown to possess... more
Inflammatory bowel disease (IBD) is an inflammatory condition with mucosal ulceration, edema and hemorrhage of gastrointestinal tract. Curcumin has been shown to mitigate colitis in animal models. However, its usefulness is reduced due to... more
We present results on Fe- and Permalloy™-based microstrip microwave band-stop filters. These structures, prepared on GaAs substrates, are compatible in size and growth process with on-chip high-frequency electronics. We observed power... more
GaAs -based, single-stage, intersubband devices with active regions composed of deep quantum wells (i.e., In0.3Ga0.7As) and high AlGaAs barriers display strong room-temperature emission at λ=4.7μm. The structures are grown by metalorganic... more
Introduction: Tumor endothelial marker 1 (TEM1) is expressed by tumor vascular endothelial cells in various cancers. Methods: Here, we developed poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) PEGylated with polyethylene glycol... more
Conventional chemotherapy of ovarian cancer often fails because of initiation of drug resistance and/or side effects and trace of untouched remaining cancerous cells. This highlights an urgent need for advanced targeted therapies for... more
We study the diffusion of 57 Fe probe atoms in Fe/FeSi/Si/FeSi/Fe multilayers on Si(111) prepared by molecular beam epitaxy by means of 57 Fe conversion electron Mössbauer spectroscopy (CEMS). We demonstrate that the application of FeSi... more
Various metals (Ag, Al, Au, Bi, Cu), polymers (polyvinylpyrrolidone, polystyrene), and electrically conductive polymers (polyacetylene, polyaniline, poly(3,4-ethylenedioxythiophene) polystyrene sulfonate) were subjected to a particle... more
Various metals (Ag, Al, Au, Bi, Cu), polymers (polyvinylpyrrolidone, polystyrene), and electrically conductive polymers (polyacetylene, polyaniline, poly(3,4-ethylenedioxythiophene) polystyrene sulfonate) were subjected to a particle... more
His current research interests include the calculation of resistivity, optical, and energy relaxation processes in materials using first principles electronic-structure theory methods. Ran Yu received the Ph.D. degree from the Tyndall
Although the research on zinc oxide (ZnO) has a very long history and its applications are almost countless as the publications on this subject are extensive, this semiconductor is still full of resources and continues to offer very... more