Hydrocarbon Chains
Hydrocarbon Chains - Related Videos
07:49
On-line Analysis of Nitrogen Containing Compounds in Complex Hydrocarbon Matrixes
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Cited by 14 •
2016
A method combining comprehensive two-dimensional gas chromatography with nitrogen chemiluminescence detection has been developed and applied to on-line analysis of nitrogen containing compounds in a complex hydrocarbon matrix.
01:26
Microbial Bioremediation of Hydrocarbons
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2026
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to physical or...
01:28
Electron Transport Chains
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2019
The final stage of cellular respiration is oxidative phosphorylation that consists of two steps: the electron transport chain and chemiosmosis. The electron transport chain is a set of proteins found in the inner mitochondrial membrane in eukaryotic cells. Its primary function is to establish a proton gradient that can be used during chemiosmosis to produce ATP and generate electron carriers, such as NAD+ and FAD, that are used in glycolysis and the citric acid cycle. The ETC is comprised of...
20:28
A Toolkit to Enable Hydrocarbon Conversion in Aqueous Environments
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Cited by 1 •
2012
A sustainable auto regulating bacterial system for the remediation of oil pollutions was designed using standard interchangeable DNA parts (BioBricks). An engineered E. coli strain was used to degrade alkanes via β-oxidation in toxic aqueous environments. The respective enzymes from different species showed alkane degradation activity. Additionally, an increased tolerance to n-hexane was achieved by introducing genes from alkane-tolerant bacteria.
01:18
Aromatic Hydrocarbon Cations: Structural Overview
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2023
Cycloheptatriene is a neutral monocyclic unsaturated hydrocarbon that consists of an odd number of carbon atoms and an intervening sp3 carbon in the ring. The three double bonds in the ring correspond to 6 π electrons, which is a Huckel number, and therefore satisfies the criteria of 4n + 2 π electrons. However, the intervening sp3 carbon disrupts the continuous overlap of p orbitals. As a result, cycloheptatriene is not aromatic. Removing one hydrogen from the intervening CH2 group with both...
FAQs
Carbon-carbon single bonds permit greater flexibility than double or triple bonds, which constrain the arrangement of atoms. These differences alter the shape a chain can adopt and therefore influence how lipid molecules pack together. In biological systems, chain geometry helps connect molecular structure with membrane organization and the physical behavior of lipid-containing structures.
Chain length affects the size and physical behavior of the nonpolar portion, while branching changes how closely neighboring molecules can arrange themselves. Consequently, two lipid molecules with similar overall composition may differ in packing and other properties. These variations are biologically important because lipid behavior depends not only on chemical identity but also on hydrocarbon-chain architecture.
Degree of saturation changes the arrangement and packing of carbon chains. Single, double, and triple carbon-carbon bonds produce different geometries, so lipid molecules can interact and pack differently within a membrane. Those changes influence membrane fluidity, a property that affects membrane function. Saturation therefore links molecular bonding patterns to an important cellular physical characteristic.
Hydrocarbon chains form key parts of triglycerides, connecting their molecular structure with the storage of metabolic energy. Their presence places these chains within a lipid class that serves as an energy reserve in biology. This role contrasts with their contribution to phospholipids, where chain structure is more directly associated with membrane organization and fluidity.
Hydrocarbon chains contribute nonpolar regions to phospholipids. Because these regions are hydrophobic, their interactions with water help organize phospholipid molecules within cell membranes. Chain length, branching, and carbon-carbon bond patterns then influence how those molecules pack and how fluid the resulting membrane remains, linking chemical structure to membrane organization and cellular function.
Changes in chain length, branching, or bond saturation can alter lipid shape, packing, and membrane fluidity. Because membranes support cellular function, these molecular differences provide a structural link between lipid composition and physiological adaptation. Studying the chains therefore helps biologists interpret how changes in molecular architecture may be associated with differences in membrane behavior and cellular performance.