Molecular Interaction and Hydration Properties of Aliphatic Biogenic Polyamines: Insights through Volumetric, Viscometric and Acoustic Investigations

IF 2 3区 工程技术 Q3 CHEMISTRY, MULTIDISCIPLINARY
Pranali Y. Umredkar, Vijay M. Tangde*, Niraj T. Khaty, Sneha T. Bankar and Sudhakar S. Dhondge, 
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引用次数: 0

Abstract

In context of understanding the precise biochemical and industrial mechanisms underlying the actions of the studied aliphatic biogenic polyamines, namely, putrescine dihydrochloride, cadaverine dihydrochloride, and spermine tetrahydrochloride, the present study systematically investigates the density, speed of sound, and dynamic viscosity data over a dilute concentration range of (0.02–0.2) mol·kg–1, a temperature range of (288.15–313.15) K and an atmospheric pressure of 1.013 × 105 Pa. The physiochemical properties of the aqueous polyamine solutions were assessed through volumetric and compressibility measurements along with viscous flow parameters. The density and speed of sound data were utilized to calculate apparent molal volume and isentropic compressibility, which were further extrapolated to infinite dilution to obtain the limiting values Vϕ0 and KS0 and the corresponding slopes Sv and Sk respectively. Thermal expansion and hydration behavior were also examined by computing the limiting apparent molal expansibility (Eϕ0) and hydration number (nH). The identification of Hepler’s constant (∂2Vϕ0/∂T2), B-coefficient, and dB/dT values highlight the structure-breaking and hydrophilic nature of the studied polyamines. The results, however, indicate that the observed hydration phenomenon cannot be attributed solely to their total charge or the electrostatic forces; hydrophobic hydration of the aliphatic chain segments also significantly contributes to the underlying mechanisms influencing their physiochemical behavior and molecular interactions with the water structure.

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来源期刊
Journal of Chemical & Engineering Data
Journal of Chemical & Engineering Data 工程技术-工程:化工
CiteScore
5.20
自引率
19.20%
发文量
324
审稿时长
2.2 months
期刊介绍: The Journal of Chemical & Engineering Data is a monthly journal devoted to the publication of data obtained from both experiment and computation, which are viewed as complementary. It is the only American Chemical Society journal primarily concerned with articles containing data on the phase behavior and the physical, thermodynamic, and transport properties of well-defined materials, including complex mixtures of known compositions. While environmental and biological samples are of interest, their compositions must be known and reproducible. As a result, adsorption on natural product materials does not generally fit within the scope of Journal of Chemical & Engineering Data.
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