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Related Concept Videos

Biosynthesis of Lipids01:29

Biosynthesis of Lipids

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Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis...
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Assembly of the Lipid Bilayer in the ER01:28

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Biological membranes are more than just a barrier separating cell cytoplasm from the outside environment. They are highly dynamic and help maintain the integrity and physiological stability of the cells as well as membrane-bound organelles. Membranes also play vital roles in cell-to-cell and intracellular communication.
A large chunk of any biological membrane is composed of phospholipids. These lipids have a heterogeneous distribution across different subcellular organelles and even between...
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Biofuels01:25

Biofuels

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The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
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Asymmetric Lipid Bilayer01:35

Asymmetric Lipid Bilayer

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Biological membranes show uneven distribution of different types of lipids in the inner and outer layers, resulting in transverse asymmetric membranes. The treatment of the erythrocyte membrane with the enzyme phospholipase confirmed the asymmetric nature of the lipid bilayer. The enzyme hydrolyzes lipids into fatty acids and hydrophilic groups. The phospholipase acts only on the outer layer of the membrane, while the inner layer remains intact. The phospholipase treatment resulted in 80%...
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Lipids as Anchors01:32

Lipids as Anchors

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In the plasma membrane, the lipids forming the bilayer can also act as an anchor to tether proteins to the membrane. The three main types of lipid anchors found in eukaryotes are – prenyl groups, fatty acyl groups, and glycosylphosphatidylinositol or GPI groups. Prenyl and fatty acyl groups act as anchors on the cytosolic surface of the membrane, whereas GPI anchors proteins on the extracellular side.
The carboxy-terminal of most of the prenylated proteins, such as Ras proteins, contains...
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What are Lipids?01:38

What are Lipids?

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Automated Lipid Bilayer Membrane Formation Using a Polydimethylsiloxane Thin Film
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Functional self-assembled lipidic systems derived from renewable resources.

Julian R Silverman1, Malick Samateh1, George John1

  • 1Department of Chemistry and Center for Discovery and Innovation (CDI), The City College of New York, New York, NY; Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY.

European Journal of Lipid Science and Technology : EJLST
|January 15, 2016
PubMed
Summary
This summary is machine-generated.

Self-assembling lipid amphiphiles create functional soft materials. These biodegradable alternatives to persistent polymers offer stimuli-responsive architectures for greener, safer, and efficient applications.

Keywords:
Low molecular weight gelsRenewable reagentsSelf-assemblySmart materialsStimuli responsive

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Area of Science:

  • Materials Science
  • Biochemistry
  • Green Chemistry

Background:

  • Self-assembled lipidic amphiphile systems offer versatile platforms for creating advanced soft materials.
  • Utilizing natural reagents and biocatalytic synthesis enables the design of inherently degradable self-assembling monomers.
  • These systems present sustainable alternatives to conventional, persistent synthetic polymers.

Purpose of the Study:

  • To explore the potential of self-assembled lipidic amphiphiles as functional, degradable soft materials.
  • To investigate the application of green chemistry principles in the design of these amphiphile systems.
  • To establish structure-function relationships for stimuli-responsive architectures derived from lipid derivatives.

Main Methods:

  • Employing natural reagents for monomer synthesis.
  • Utilizing biocatalytic pathways for monomer production.
  • Leveraging non-covalent forces for the self-assembly of amphiphiles into defined architectures.

Main Results:

  • Formation of multi-functional soft materials with value-added properties.
  • Creation of inherently degradable monomers suitable for green applications.
  • Development of stimuli-responsive architectures, including nanotubes and fibers.

Conclusions:

  • Self-assembled lipidic amphiphiles provide a promising route to sustainable, functional soft materials.
  • The integration of green chemistry principles ensures safer, economic, and efficient research and development.
  • These materials hold significant potential for diverse applied research and commercial product incorporation.