Results 51 to 60 of about 6,239 (205)

Theranostic Applications of Nanoparticle-Mediated Photoactivated Therapies

open access: yesJournal of Nanotheranostics, 2021
Nanoparticle-mediated light-activated therapies, such as photodynamic therapy and photothermal therapy, are earnestly being viewed as efficient interventional strategies against several cancer types.
Shalini Sharma   +2 more
doaj   +1 more source

High-Performance Multi-Mode Ptychography Reconstruction on Distributed GPUs

open access: yes, 2018
Ptychography is an emerging imaging technique that is able to provide wavelength-limited spatial resolution from specimen with extended lateral dimensions. As a scanning microscopy method, a typical two-dimensional image requires a number of data frames.
Campbell, Stuart I.   +8 more
core   +1 more source

Three-dimensional magnetization structures revealed with X-ray vector nanotomography [PDF]

open access: yes, 2017
In soft ferromagnetic materials, the smoothly varying magnetization leads to the formation of fundamental patterns such as domains, vortices and domain walls<sup>1</sup>.
Donnelly, Claire   +6 more
core   +1 more source

Applications of Graphene Quantum Dots in Biomedical Sensors [PDF]

open access: yes, 2020
Due to the proliferative cancer rates, cardiovascular diseases, neurodegenerative disorders, autoimmune diseases and a plethora of infections across the globe, it is essential to introduce strategies that can rapidly and specifically detect the ultralow ...
Altintas, Zeynep, Mansuriya, Bhargav D.
core   +1 more source

Probing the exotic emission behaviors of Gd3+ ions in Gd3Ga5O12 wafer via X-ray excited optical luminescence

open access: yesResults in Optics
We investigate the exotic emission behaviors of gadolinium gallium garnet (Gd3Ga5O12, GGG) wafer via X-ray absorption near edge structure (XANES) and X-ray excited optical luminescence (XEOL) in an X-ray nanoprobe beamline. The XANES spectra of the Gd L3
Tzu-Chi Huang   +11 more
doaj   +1 more source

Increased Electrical Conductivity of Carbon Nanotube Fibers by Thermal and Voltage Annealing

open access: yesC, 2021
We report the effect of annealing, both electrical and by applied voltage, on the electrical conductivity of fibers spun from carbon nanotubes (CNTs). Commercial CNT fibers were used as part of a larger goal to better understand the factors that go into ...
Varun Shenoy Gangoli   +4 more
doaj   +1 more source

Realization of the welding of individual TiO2 semiconductor nano-objects using a novel 1D Au80Sn20 nanosolder [PDF]

open access: yes, 2015
Individual semiconductor nanowires (NWs) TiO2 were successfully welded together using novel one-dimensional (1D) Au80Sn20 (mass ratio) nanosolders at the nano-scale for the first time.
Ahn   +30 more
core   +1 more source

Highly Fluorescent Carbon Dots as a Potential Fluorescence Probe for Selective Sensing of Ferric Ions in Aqueous Solution

open access: yesChemosensors, 2021
This paper’s emphasis is on the development of a fluorescent chemosensor for Fe3+ ions in an aqueous solution, using hydrophilic carbon dots (O-CDs). A simple, cost-effective, and environmentally friendly one-step hydrothermal synthesis method was used ...
Raji Atchudan   +8 more
doaj   +1 more source

Dynamic Control of Local Field Emission Current from Carbon Nanowalls

open access: yes, 2014
We report on a systematic study of modulation of the field emission current from carbon nanowalls using a sharp probe as the anode in an ultrahigh vacuum system.
Wang, Ying, Wu, Yihong, Yang, Yumeng
core   +1 more source

Raman microprobe characterization of electrodeposited S-rich CuIn(S,Se)2 for photovoltaic applications: Microstructural analysis [PDF]

open access: yes, 2007
This article reports a detailed Raman scattering and microstructural characterization of S-rich CuIn(S,Se)2 absorbers produced by electrodeposition of nanocrystalline CuInSe2 precursors and subsequent reactive annealing under sulfurizing conditions ...
Bermudez, V.   +10 more
core   +1 more source

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