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Updated: Aug 18, 2026

10:44
Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for Cu(II) Through Microwave Pre-Pyrolysis
Published on: February 12, 2019
[Adsorption of amino acids and peptides on an activated carbon-fibrous material]
Abstract:
The adsorption process of amino acids and peptides by the activated carbon-fibrous material has been studied. The adsorption depends on availability of aromatic and some hydrophobic (isoleucine, leucine, methionine) amino acids. These data permit explaining the mechanism of the adsorption of protein fragments by the carbon-fibrous material and elaborating principles of the bioassay of carbon-fibrous sorbents and purifying some proteins and other substances.
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Protein digestion begins in the stomach, where the highly acidic environment can easily disrupt protein structure by exposing the peptide bonds of polypeptide chains. After polypeptide chains are broken into individual amino acids by a series of digestive enzymes, the amino acids are transported to the liver via the bloodstream to produce energy.
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Amino acids are the monomers that comprise proteins. Each amino acid has the same fundamental structure, which consists of a central carbon atom, or the alpha (α) carbon, bonded to an amino group (NH2), a carboxyl group (COOH), and to a hydrogen atom. Every amino acid also has another atom or group of atoms bonded to the central atom known as the R group. There are 20 common amino acids present in proteins, each with a different R group. Variation in the amino acid sequence is responsible for...

