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<p>A polemic is given regarding the experimental molar isentropic compressibility data, <i>K</i><sub>φ,S</sub>, for L-serine and L-leucine dissolved in aqueous potassium oxalate (KOX) solutions. The authors’ published linear mathematical expressions to describe the variation in <i>K</i><sub>φ,S</sub> with the molal concentration of the two amino acids, <i>m</i><sub>A</sub>. L-leucine plots of <i>K</i><sub>φ,S</sub> versus <i>m</i><sub>A</sub> show significant deviations from linearity. Questions are also raised concerning the authors’ statements that implied the equation coefficients were determined through a nonlinear least-squares regression analysis method.</p>

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Comments on “Decoding Solute–Co‑solute Interactions: A Combined Investigation of Bulk and Sonic Behaviour of L‑Serine and L‑Leucine in Potassium Oxalate (KOX) Solutions”

  • 期刊论文

  • 发表日期：

    2026年5月21日

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  • William E. Acree Jr.,
  • Ananya Jamdagneya,
  • Anika Varadharajan,
  • Nitya Damera

摘要

A polemic is given regarding the experimental molar isentropic compressibility data, Kφ,S, for L-serine and L-leucine dissolved in aqueous potassium oxalate (KOX) solutions. The authors’ published linear mathematical expressions to describe the variation in Kφ,S with the molal concentration of the two amino acids, mA. L-leucine plots of Kφ,S versus mA show significant deviations from linearity. Questions are also raised concerning the authors’ statements that implied the equation coefficients were determined through a nonlinear least-squares regression analysis method.