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Related Concept Videos

Protein Complex Assembly02:41

Protein Complex Assembly

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Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
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Enols are a class of compounds where a hydroxyl group is attached to a carbon–carbon double bond, which implies that it is a vinyl alcohol. A carbonyl compound with an α hydrogen undergoes keto–enol tautomerism and remains in equilibrium with its tautomer, the enol form. Usually, the keto tautomer is present in a higher concentration than the enol tautomer due to the higher bond energy of C=O compared to C=C. Moreover, the direction of the keto–enol equilibrium is...
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Reactivity of Enolate Ions01:23

Reactivity of Enolate Ions

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Enolate ions are formed by the acid–base reaction of a carbonyl compound with a base. This leads to deprotonation of the α hydrogen atom, leading to a resonance-stabilized enolate ion where one of the contributing structures is an oxyanion, which imparts additional stability. Therefore, the proton on the α carbon is more acidic in nature than that of other sp3-hybridized C–H bonds but less acidic than those in O–H bonds where the negative charge in the conjugate...
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Radical Reactivity: Overview01:11

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Radicals, the highly reactive species, gain stability by undergoing three different reactions. The first reaction involves a radical-radical coupling, in which a radical combines with another radical, forming a spin‐paired molecule. The second reaction is between a radical and a spin‐paired molecule, generating a new radical and a new spin‐paired molecule. The third reaction is radical decomposition in a unimolecular reaction, forming a new radical and a spin‐paired...
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Surface Tension and Surface Energy01:16

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When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
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Updated: Feb 7, 2026

Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro
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Supramolecular Assemblies on Surfaces: Nanopatterning, Functionality, and Reactivity.

Dominic P Goronzy1,2, Maryam Ebrahimi3, Federico Rosei3,4

  • 1California NanoSystems Institute , University of California, Los Angeles , Los Angeles , California 90095 , United States.

ACS Nano
|July 17, 2018
PubMed
Summary
This summary is machine-generated.

Researchers explore molecular interactions on surfaces for creating designer nanoscale constructs. Advances in scanning probe microscopy and self-assembly strategies enable precise control over hierarchical structures and novel 2D materials like graphene nanoribbons.

Keywords:
graphene nanoribbonsmolecular electronicson-surface polymerizationscanning tunneling microscopyself-assembled molecular networkssupramolecular assembliestwo-dimensional polymers

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Area of Science:

  • Surface science
  • Nanotechnology
  • Materials chemistry

Background:

  • Molecular interactions on surfaces are crucial for nanoscale construction.
  • Hierarchical structures with defined properties are sought after.
  • Interactions can be direct or mediated by metals/substrates.

Purpose of the Study:

  • Review early advances in molecular self-assembly on surfaces.
  • Highlight opportunities and challenges in designing nanoscale constructs.
  • Discuss the role of new materials like graphene.

Main Methods:

  • Scanning probe microscopy (SPM) for understanding interactions, structures, and potentials.
  • Spectroscopic and surface measurements.
  • Surface-confined reactions for 2D material synthesis.

Main Results:

  • SPM provides deep insights into molecular organization and interfacial effects.
  • Self-assembly enables nanolithography with multi-scale control.
  • Exploration of 2D materials, including polymers and graphene nanoribbons, is expanding the field.

Conclusions:

  • Molecular self-assembly on surfaces is a powerful strategy for creating designer nanoscale materials.
  • Emerging 2D materials offer new avenues for surface-confined synthesis.
  • Future work will focus on enhancing capabilities for exploiting designer surfaces.