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gold nanoshell [1 record]

Filter results by subject field Alphabetical list of terms

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Alphabetical list of terms

Record 1 2016-02-18

English

Subject field(s)
  • Atomic Physics
  • Cancers and Oncology
DEF

A nanoparticle composed of a [gold] metallic shell surrounding a semiconductor.

OBS

When nanoshells reach a target cancer cell, they can be irradiated with near-infrared light or excited with a magnetic field, either of which will cause the nanoshell to become hot, killing the cancer cell.

CONT

This chemical sensing technique relies on nanoparticles consisting of gold and silica called nanoshells, invented 10 years ago at Rice by nanophotonics pioneer Naomi Halas. Nanoshells are about 20 times smaller than a red blood cell, and they can amplify light waves and focus them so tightly that scientists can use them to detect just a few molecules of a target chemical. Building catalysts directly on the surface of the nanoparticles themselves allows researchers to use the nanosensing capabilities of nanoshells to directly follow chemical reactions on the catalyst using light.

Key term(s)
  • gold nano-shell
  • gold nano shell
  • nano-shell
  • nano shell
  • gold-silica nano-shell
  • gold-silica nano shell
  • gold silica nanoshell
  • gold silica nano-shell
  • gold silica nano shell
  • gold/silica nano-shell
  • gold/silica nano shell
  • silica-gold nano-shell
  • silica-gold nano shell
  • silica/gold nano-shell
  • silica/gold nano shell
  • silica gold nanoshell
  • silica gold nano-shell
  • silica gold nano shell

French

Domaine(s)
  • Physique atomique
  • Cancers et oncologie
DEF

Particule sphérique constituée d'un noyau de silicium enrobé d'or, qui dégage de la chaleur lorsqu'elle est pénétrée par un rayon infrarouge ou un rayon X.

OBS

Cette nanobille est utilisée en médecine pour le traitement du cancer. Elle peut tuer une tumeur lorsqu'elle est accrochée à celle-ci.

PHR

Chaque «hairpin» est fonctionnalisé par une nanobille d'or.

Spanish

Campo(s) temático(s)
  • Física atómica
  • Tipos de cáncer y oncología
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