Comments on “Crystal growth, spectral, optical, and thermal characterization of glycyl-l-alanine hydrochloride (GLAH) single crystal”

被引:0
|
作者
Bikshandarkoil R. Srinivasan
Kalimuthu Moovendaran
S. Natarajan
机构
[1] Goa University,Department of Chemistry
[2] Madurai Kamaraj University,School of Physics
关键词
Dipeptide; Crystal growth; Glycyl-; -alanine hydrochloride; Glycine hydrochloride;
D O I
暂无
中图分类号
学科分类号
摘要
The authors of the title paper (J Therm Anal Calorim 2012,110:873–878) report to have grown a dipeptide hydrochloride crystal namely glycyl-l-alanine hydrochloride by the slow evaporation of an aqueous solution containing stoichiometric amounts of l-alanine and glycine and an excess of hydrochloric acid. In this letter, we prove that no such dipeptide hydrochloride can be crystallized simply by mixing two amino acids in aqueous hydrochloric acid.
引用
收藏
页码:1397 / 1399
页数:2
相关论文
共 50 条
  • [1] Crystal growth, spectral, optical, and thermal characterization of glycyl-l-alanine hydrochloride (GLAH) single crystal
    P. Malliga
    C. Alosious Gonsago
    P. Sagayaraj
    A. Joseph Arul Pragasam
    [J]. Journal of Thermal Analysis and Calorimetry, 2012, 110 : 873 - 878
  • [2] Crystal growth, spectral, optical, and thermal characterization of glycyl-L-alanine hydrochloride (GLAH) single crystal
    Malliga, P.
    Gonsago, C. Alosious
    Sagayaraj, P.
    Pragasam, A. Joseph Arul
    [J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, 2012, 110 (02) : 873 - 878
  • [3] Comments on "Crystal growth, spectral, optical, and thermal characterization of glycyl-l alanine hydrochloride (GLAH) single crystal"
    Srinivasan, Bikshandarkoil R.
    Moovendaran, Kalimuthu
    Natarajan, S.
    [J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, 2014, 118 (03) : 1397 - 1399
  • [4] CRYSTAL STRUCTURE OF GLYCYL-L-ALANINE HYDROCHLORIDE
    TRANTER, TC
    [J]. NATURE, 1956, 177 (4497) : 37 - 38
  • [5] Crystal Growth, Thermal, and Optical Studies: Thiourea Glycyl-L-Alanine Single Crystals
    Malliga, P.
    Pragasam, A. Joseph Arul
    [J]. CHINESE JOURNAL OF PHYSICS, 2015, 53 (02)
  • [6] CRYSTAL AND MOLECULAR STRUCTURE OF GLYCYL-L-ALANINE HYDROCHLORIDE
    NAGANATHAN, PS
    VENKATESAN, K
    [J]. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL CRYSTALLOGRAPHY AND CRYSTAL CHEMISTRY, 1972, B 28 (FEB15): : 552 - +
  • [7] CRYSTAL STRUCTURE OF GLYCYL-L-ALANINE HYDROBROMIDE
    TRANTER, TC
    [J]. NATURE, 1954, 173 (4396) : 221 - 222
  • [8] Growth of N-Glycyl-L-Valine (GV) single crystal and its spectral, thermal and optical characterization
    Janarthanan, S.
    Samuel, R. Sugaraj
    Rajan, Y. C.
    Suresh, P.
    Thangaraj, K.
    [J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 2013, 105 : 34 - 37
  • [9] Crystal growth, spectral and thermal analyses of a semi organic nonlinear optical single crystal: L-tyrosine hydrochloride
    Anandan, P.
    Vetrivel, S.
    Karthikeyan, S.
    Jayavel, R.
    Ravi, G.
    [J]. OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS, 2012, 6 (11-12): : 1128 - 1133
  • [10] THE ELECTRIC-FIELD GRADIENT AT THE BROMINE AND DEUTERON SITES IN DEUTERATED GLYCYL-L-ALANINE HYDROBROMIDE MONOHYDRATE AND AT THE IODINE SITE IN GLYCYL-L-ALANINE HYDROIODIDE MONOHYDRATE - A SINGLE-CRYSTAL NMR NQR STUDY
    KEHRER, A
    WEIDEN, N
    WEISS, A
    [J]. ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS, 1992, 178 : 1 - 24