ArticleMolecules (Basel, Switzerland)2023
Heat Capacities of L-Cysteine, L-Serine, L-Threonine, L-Lysine, and L-Methionine.
Article in Molecules (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 26 citations in OpenAlex.
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- Synthesis and Characterization of Bioactive Oligoitaconates with Amino Acid Functional Groups for Tissue Engineering.International journal of molecular sciences · 2025Article
- Design of Cysteine Functional Polyesters through Michael Addition.Scientific reports · 2025Article
- Co-Amorphous Systems Based on Dihydroquercetin and l-Lysine: Synthesis and Evaluation.Pharmaceutics · 2025Article
- Unraveling the thermal decomposition and chemical ionization of methionine using ion mobility spectrometry and computational chemistry.Scientific reports · 2025Article
- Heat Capacities of α-, β-, and γ- Polymorphs of Glycine.Molecules (Basel, Switzerland) · 2024Article
- Thermodynamic Study ofMolecules (Basel, Switzerland) · 2024Article
- Heat Capacity of Indium or Gallium Sesqui-Chalcogenides.Materials (Basel, Switzerland) · 2024Article
- Heat Capacities ofMolecules (Basel, Switzerland) · 2023Article
- Combining Copper and Zinc into a Biosensor for Anti-Chemoresistance and Achieving Osteosarcoma Therapeutic Efficacy.Molecules (Basel, Switzerland) · 2023Review
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
In an effort to establish reliable thermodynamic data for amino acids, heat capacity and phase behavior are reported for L-cysteine (CAS RN: 52-90-4), L-serine (CAS RN: 56-45-1), L-threonine (CAS RN: 72-19-5), L-lysine (CAS RN: 56-87-1), and L-methionine (CAS RN: 63-68-3). Prior to heat capacity measurements, initial crystal structures were identified by X-ray powder diffraction, followed by a thorough investigation of the polymorphic behavior using differential scanning calorimetry in the temperature range from 183 K to the decomposition temperature determined by thermogravimetric analysis. Crystal heat capacities of all five amino acids were measured by Tian-Calvet calorimetry in the temperature interval (262-358) K and by power compensation DSC in the temperature interval from 215 K to over 420 K. Experimental values of this work were compared and combined with the literature data obtained with adiabatic calorimetry. Low-temperature heat capacities of L-threonine and L-lysine, for which no or limited literature data was available, were measured using the relaxation (heat pulse) calorimetry. As a result, reference heat capacities and thermodynamic functions for the crystalline phase from near 0 K to over 420 K were developed.
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