نتایج جستجو برای: gold nanorod

تعداد نتایج: 85391  

Journal: :Nanoscale 2016
Kibeom Kim Min-Chul Jo Sundo Jeong L Palanikumar Vincent M Rotello Ja-Hyoung Ryu Myoung-Hwan Park

Correction for 'Externally controlled drug release using a gold nanorod contained composite membrane' by Kibeom Kim, et al., Nanoscale, 2016, 8, 11949-11955.

Journal: :Environmental science. Nano 2022

An antibody-functionalized gold nanorod array enables the realization of a reusable early-warning system for detecting harmful pathogens dispersed in drinkable water.

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2011
Alison M Funston Timothy J Davis Carolina Novo Paul Mulvaney

An experimental and theoretical examination of the coupling modes within superstructures of gold nanorod trimers is presented. The experimentally determined spectrum of the nanorod trimers is reported and the modes are elucidated using an electrostatic eigenmode method based on the coupling of evanescent electric fields. The theory is able to reproduce the experimental spectrum well, and the na...

2013
Alexander F. Bagley Samuel Hill Gary S. Rogers Sangeeta N. Bhatia

Plasmonic nanomaterials including gold nanorods are effective agents for inducing heating in tumors. Because near-infrared (NIR) light has traditionally been delivered using extracorporeal sources, most applications of plasmonic photothermal therapy have focused on isolated subcutaneous tumors. For more complex models of disease such as advanced ovarian cancer, one of the primary barriers to go...

2012
Godofredo Bautista Mikko J. Huttunen Jouni Mäkitalo Juha M. Kontio Janne Simonen Martti Kauranen

nanobumps and (d,e) gold nanocones using focused azimuthal (a,d) and radial polarizations (b,e). Representative top-view scanning electron microscopy (SEM) images of (c) gold nanobumps from the same array and (f) corresponding gold nanocones. Insets (d-f) correspond to SHG and SEM images of a gold nanorod on the same substrate. SECOND-HARMONIC GENERATION MICROSCOPY OF INDIVIDUAL METAL NANOPARTI...

Journal: :Nanoscale 2013
Joanna Olesiak-Banska Marta Gordel Katarzyna Matczyszyn Vasyl Shynkar Joseph Zyss Marek Samoc

We show how a single gold nanorod can serve as a multifunctional probe in an organized DNA matrix. Polarization analysis of two-photon luminescence excited with a femtosecond laser enables imaging of the orientation of a single nanorod, which reports the orientation of DNA strands. Carefully controlled photoinduced heating by the same laser is able to degrade the DNA matrix in a highly localize...

Journal: :Nanomedicine 2009
Ling Tong Ji-Xin Cheng

AIMS Induction of apoptosis or necrosis in activated macrophages by gold nanorod-mediated photothermolysis is demonstrated and the mechanisms underlying the processes are investigated. MATERIALS & METHODS Gold nanorods were functionalized with cysteine-octaarginine peptides (R8-NRs). Uptake of R8-NRs by activated macrophages was monitored by two-photon luminescence imaging. The laser irradiat...

Journal: :Nano letters 2014
Kimberly E Venta Mehdi B Zanjani Xingchen Ye Gopinath Danda Christopher B Murray Jennifer R Lukes Marija Drndić

We study translocations of gold nanoparticles and nanorods through silicon nitride nanopores and present a method for determining the surface charge of nanorods from the magnitude of the ionic current change as nanorods pass through the pore. Positively charged nanorods and spherical nanoparticles with average diameters 10 nm and average nanorod lengths between 44 and 65 nm were translocated th...

Journal: :Chemical communications 2005
P D Cozzoli E Fanizza M L Curri D Laub A Agostiano

A simple and versatile light-based strategy to grow low-dimensional gold superstructures is presented; prolonged UV-irradiation of TiO2 nanorod-stabilized Au nanoparticles in organic media promotes the progressive formation of distinctive chainlike metal assemblies, namely segments of a few gold particles, 2D or quasi-1D large structures composed of interlacing lines of hundreds of metal units ...

Journal: :Angewandte Chemie 2009
Chungang Wang Jiji Chen Tom Talavage Joseph Irudayaraj

Gold and pearls: Multifunctional nanoparticles, each composed of a single, amine-modified gold nanorod, decorated with multiple "pearls" of Fe(3)O(4) nanoparticles capped with carboxy groups, are prepared. Their effectiveness in simultaneous targeting, dual-mode imaging, and photothermal ablation of breast cancer cells is demonstrated.

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