Aspartic Acid in Health and Disease. [PDF]
Aspartic acid exists in L- and D-isoforms (L-Asp and D-Asp). Most L-Asp is synthesized by mitochondrial aspartate aminotransferase from oxaloacetate and glutamate acquired by glutamine deamidation, particularly in the liver and tumor cells, and transamination of branched-chain amino acids (BCAAs), particularly in muscles.
Holeček M.
europepmc +3 more sources
A route to anionic hydrophilic films of copolymers of l-leucine, l-aspartic acid and l-aspartic acid esters [PDF]
A series of copolymers of l-leucine and β-benzyl-l-aspartate [Leu/Asp(OBz)] covering the range 30–70 mol % of l-leucine, was synthesized by the N-carboxyanhydride (NCA) method.
Bantjes, A., Feijen, J., Sederel, W.L.
core +10 more sources
Immunohistochemical localisation of d-β-aspartic acid in pingueculae [PDF]
Background: D-β-Aspartic acid residues, which are biologically uncommon, have been reported to accumulate in various proteins of the living body with age.
Fujii N+6 more
core +1 more source
A NEW SYNTHESIS OF ASPARTIC ACID [PDF]
In previous syntheses of aspartic acid the following reactions have been used: The decomposition of acid ammonium malate by heat,1 the racemization of active aspartic acid2 and active asparagine,3 the reaction of maleic or fumaric acid with ammonia,4 the reduction of oxalacetic ester oxime,5 the reaction of silver fumarate or potassium acid fumarate ...
B. W. Smart, Max S. Dunn
openaire +2 more sources
Biodegradability and tissue reaction of random copolymers of L-leucine, L-aspartic acid, and L-aspartic acid esters [PDF]
A series of copoly(α-amino acids) with varying percentages of hydrophilic (l-aspartic acid) and hydrophobic monomers (l-leucine, ß-methyl-l-aspartate, and ß-benzyl-l-aspartate) were implanted subcutaneously in rats and the macroscopic degradation ...
Bantjes, A.+4 more
core +3 more sources
Gamma Irradiation of Aqueos Solution of L-Aspartic Acid, L-Aspartic Acid in Solid State, and L-Aspartic Acid Adsorbed into Na-Montmorillonite: Its Relevance in Chemistry Prebiotic [PDF]
Aspartic acid is an amino acid present in the modern proteins, however, is considered a primitive amino acid hence its importance in prebiotic chemistry experiments studies.
Cruz-Castañeda, J.+5 more
core +2 more sources
LXVIII.—The rotation of aspartic acid [PDF]
n ...
openaire +2 more sources
Predicting protein decomposition: the case of aspartic-acid racemization kinetics [PDF]
The increase in proportion of the non-biological (D-) isomer of aspartic acid (Asp) relative to the L- isomer has been widely used in archaeology and geochemistry as a tool for dating. The method has proved controversial, particularly when used for bones.
A. C. T. van Duin+24 more
core +3 more sources
Differentiation Between Ripening Stages of Iberian Dry-Cured Ham According to the Free Amino Acids Content [PDF]
In this paper, the differentiation of three ripening stages, postsalting, drying, and cellar, of Iberian dry-cured ham has been carried out according to their free amino acids contents. Eighteen L-amino acids, alanine, 2-aminobutanoic acid, aspartic acid,
Alcázar Rueda, Ángela+3 more
core +1 more source
Metallkomplexe mit biologisch wichtigen Liganden, LXVIII [PDF]
The trischelate complexes of the dianion of aspartic acid and -methylaspartic acid (5-C5Me5) (R = H, Me) form adducts with alkali iodides MI (M = Li, Na, K).
Beck, Wolfgang+2 more
core +1 more source