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Related Concept Videos

Bonding in Metals02:32

Bonding in Metals

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Metallic bonds are formed between two metal atoms. A simplified model to describe metallic bonding has been developed by Paul Drüde called the “Electron Sea Model”. 
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Metal-Ligand Bonds02:51

Metal-Ligand Bonds

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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.
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Metallic Solids02:37

Metallic Solids

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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.
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Metal-Semiconductor Junctions01:24

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The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
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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...
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Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

1.2K
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.
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Complexation Equilibria: The Chelate Effect01:19

Complexation Equilibria: The Chelate Effect

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In complexation reactions, metal atoms or cations interact with ligands to form donor-acceptor adducts called metal complexes. Ligands that bind through one donor site are monodentate, ligands with two donor sites are bidentate, and those with more than two donor sites are polydentate ligands. For example, ethylene diamine is a bidentate ligand that binds through two nitrogen donor atoms, forming a five-membered ring. EDTA is a polydentate ligand that binds through four oxygen and two nitrogen...
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Related Experiment Video

Updated: Oct 17, 2025

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
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Rare metal, precious adhesion.

Jonathan J Wilker1,2

  • 1Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA.

Science (New York, N.Y.)
|October 7, 2021
PubMed
Summary

Mussels create a powerful adhesive using microfluidic assembly and vanadium. This remarkable biological glue allows them to firmly anchor themselves in challenging marine environments.

Area of Science:

  • Biomaterials science
  • Marine biology
  • Biochemistry

Background:

  • Mussels are renowned for their ability to adhere strongly to surfaces in harsh oceanic conditions.
  • Understanding the mussel's adhesive mechanism is crucial for developing novel bio-inspired glues.

Purpose of the Study:

  • To elucidate the process by which mussels synthesize their adhesive proteins.
  • To investigate the role of vanadium in the cross-linking and performance of mussel adhesive.

Main Methods:

  • Analysis of mussel foot proteins and their assembly pathways.
  • Investigation of vanadium uptake and incorporation into adhesive structures.
  • Microfluidic studies to mimic the mussel's natural adhesive production environment.

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Main Results:

  • Mussels employ intricate microfluidic processes for the controlled assembly of adhesive proteins.
  • Vanadium plays a critical role in the post-translational modification and cross-linking of mussel foot proteins.
  • The resulting vanadium-cross-linked adhesive exhibits exceptional strength and water resistance.

Conclusions:

  • Mussel adhesive production is a sophisticated process involving microfluidics and specific elemental incorporation.
  • Vanadium-mediated cross-linking is key to the superior adhesive properties of mussels.
  • This research provides insights for designing advanced synthetic adhesives inspired by mussel biology.