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Related Concept Videos

Metallic Solids02:37

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.
Theory of Metallic Conduction01:17

Theory of Metallic Conduction

The conduction of free electrons inside a conductor is best described by quantum mechanics. However, a classical model makes predictions close to the results of quantum mechanics. It is called the theory of metallic conduction.
In this theory, Newton's second law of motion is used to determine the acceleration of an electron in the presence of an applied electric field. Then, its velocity is expressed via this acceleration.
An electron moves through the crystal, containing positive ions,...
Metal-Ligand Bonds02:51

Metal-Ligand Bonds

The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
Metal-Semiconductor Junctions01:24

Metal-Semiconductor Junctions

The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The semiconductor's...
Properties of Transition Metals02:58

Properties of Transition Metals

Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.

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Related Experiment Video

Updated: Jun 5, 2026

High Resolution Physical Characterization of Single Metallic Nanoparticles
09:56

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

Introduction to metallic nanoparticles.

Vicky V Mody1, Rodney Siwale, Ajay Singh

  • 1Department of Pharmaceutical Sciences, Appalachian College of Pharmacy, 1060 Dragon Road, Oakwood, Virginia USA 246 14.

Journal of Pharmacy & Bioallied Sciences
|December 25, 2010
PubMed
Summary
This summary is machine-generated.

Metallic nanoparticles, including magnetic, gold, and silver types, are crucial in nanotechnology for advanced biomedical applications. This review covers their synthesis, properties, and use in cancer diagnostic imaging and therapy.

Keywords:
Fe3O4gold nanoparticlesiron oxide nanoparticlesmetallic nanoparticlesnanocagesnanoshellssilver nanoparticles

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Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids
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Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids

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Related Experiment Videos

Last Updated: Jun 5, 2026

High Resolution Physical Characterization of Single Metallic Nanoparticles
09:56

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

Generation of Zerovalent Metal Core Nanoparticles Using n-(2-aminoethyl)-3-aminosilanetriol
08:12

Generation of Zerovalent Metal Core Nanoparticles Using n-(2-aminoethyl)-3-aminosilanetriol

Published on: February 11, 2016

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids
07:14

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids

Published on: August 23, 2018

Area of Science:

  • Nanotechnology
  • Biomedical Engineering
  • Materials Science

Background:

  • Metallic nanoparticles have been studied for over a century and are now vital in biomedical sciences.
  • Their unique properties allow for functionalization and conjugation with drugs and biomolecules.
  • Applications span biotechnology, diagnostics, and targeted therapies.

Purpose of the Study:

  • To provide an introduction to magnetic nanoparticles (Fe(3)O(4)), gold nanoparticles, nanoshells, nanocages, and silver nanoparticles.
  • To discuss their synthesis and physiochemical properties.
  • To highlight recent applications in cancer diagnostic imaging and therapy.

Main Methods:

  • Review of existing literature on metallic nanoparticles.
  • Discussion of synthesis techniques and characterization of nanoparticles.
  • Compilation of current applications in medical imaging and cancer treatment.

Main Results:

  • Metallic nanoparticles offer versatile platforms for diagnostic imaging and therapeutic applications.
  • Specific nanoparticles like Fe(3)O(4), gold, and silver have demonstrated significant potential.
  • Multifunctional nanoshells and nanocages enable combined imaging and therapeutic strategies.

Conclusions:

  • Metallic nanoparticles are essential tools in modern nanotechnology for advanced biomedical applications.
  • Their tailored properties facilitate targeted drug delivery and enhanced diagnostic imaging.
  • Continued research promises further innovation in cancer diagnostics and therapy using these nanomaterials.