Essays about: "Acetylation"

Showing result 1 - 5 of 17 essays containing the word Acetylation.

  1. 1. Deacetylated Hyaluronan : Exploration of deacetylation techniques for hyaluronan (oligo and polysaccharides)

    University essay from Uppsala universitet/Institutionen för materialvetenskap

    Author : Sima Mardini; Hanna Björk; Marcus Möller; Carl Lagergren; Oscar Samuelsson; [2023]
    Keywords : hyaluronic acid; deacetylated hyaluronan; N-deacetylation; re-acetylation; hydrogels;

    Abstract : Hyaluronic acid is an organic polysaccharide with a wide range of uses in medical and cosmetic industries due to its physiological properties. Crosslinked hyaluronic acid is a commonly used filler agent because of its water retention capabilities. N-deacetylation can be performed to enable new derivatives of hyaluronic acid. READ MORE

  3. 2. Methods and Potentials of Kraft Lignin Esterification

    University essay from KTH/Fiber- och polymerteknologi

    Author : Taoran Xu; [2023]
    Keywords : Kraft lignin; acetylation; fatty acid esterification; quantitative 31P NMR; lignin nanoparticles; Kraftlignin; acetylering; fettsyreesterifiering; kvantitativ 31P NMR; lignin nanopartiklar;

    Abstract : Lignin, en av huvudkomponenterna i lignocellulosabiomassa, utgör en stor mängd av sidoströmen från massaindustrin. Lignin är aromatiska makromolekyler som förekommer i rikliga mängder i naturen och uppvisar unika antioxidant-, uv-skyddande, anti-ultravioletta, antikorrosiva och antimikrobiella egenskaper, etc. READ MORE

  4. 3. Exploring Regioselective 5N-acylation of Neuraminic acid

    University essay from Lunds universitet/Kemiska institutionen

    Author : Simon Hans Lilje; [2022]
    Keywords : acylation; amide; antibacterial drugs; regioselective deprotection; sialic acid; organic chemistry; Chemistry;

    Abstract : In this project, a regioselective method to deprotect and acylate the amide on C5 of sialic acid is explored. Sialic acid is one of the most complex monosaccharides and is an important ligand in many higher organisms in intercellular cell communication. The most prominent example is related to the immune system. READ MORE

  5. 4. Designing an optmized met X/Y enzymes for an efficient methionine production in E.coli

    University essay from Högskolan i Skövde/Institutionen för biovetenskap

    Author : Luísa Rodrigues; [2022]
    Keywords : ;

    Abstract : Methionine is a proteinogenic amino acid critical amino for the pharmaceutical, biotechnological and agricultural industries. The overall methionine biosynthetic pathway is as follows: 1. Acetylation of homoserine and its subsequent activation 2. Formation of homoserine through the replacement hydroxyl group by a thiol group, 3. READ MORE

  6. 5. Epigenetic Regulation of Mitochondrial DNA

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Jennie Johansson; [2020]
    Keywords : Acetylation; Epigenetics; Heteroplasmy; Methylation; Mitochondrial haplotype; Mitochondrion; Non coding RNA; Phosphorylation;

    Abstract : This mini-review investigates and compiles the latest knowledge regarding epigenetic changes on the mammalian mitochondrial DNA and its proteins. Methylation of the DNA, acetylation of the proteins and silencing of genes by short non-coding RNAs are the main epigenetic changes known today to affect mitochondrial DNA, mostly leading to repression. READ MORE