| Issue |
Eur. Phys. J. Appl. Phys.
Volume 53, Number 3, March 2011
|
|
|---|---|---|
| Article Number | 31101 | |
| Number of page(s) | 4 | |
| Section | Physics and Mechanics of Fluids, Microfluidics | |
| DOI | https://doi.org/10.1051/epjap/2010100295 | |
| Published online | 22 February 2011 | |
https://doi.org/10.1051/epjap/2010100295
Thermodynamical and excess thermoacoustical study on some monosaccharide (glucose) with enzyme amylase in aqueous media at 298.15 K
1
School of Physical Sciences and Nanotechnology (Ultrasonics/Biophysics Division), SRM University, 603203, Kattankulathur, Tamil Nadu, India
2
DDE, Department of Physics, Annamalai University, 602008, Annamalainagar, Tamil Nadu, India
Corresponding author: s_nithu59@rediffmail.com
Received:
13
July
2010
Accepted:
9
December
2010
Published online:
22
February
2011
Ultrasonic velocity (U), density (ρ) and viscosity (η) measurements have been carried out in three ternary mixtures of glucose with amylase in aqueous medium at 298.15 K. The experimental data have been used to calculate some derived parameters such as acoustical impedance (Z), relative association (RA), Rao's constant (R), Wada's constant (W), relaxation time (τ), relaxation amplitude (α/f2), relaxation strength (r), and some excess thermodynamical properties like excess adiabatic compressibility (βE), excess free length (LfE) excess free volume (VfE), excess internal pressure (πiE) and excess acoustical impedance (ZE). The above parameters have been evaluated and discussed in light of molecular interactions in the mixture.
© EDP Sciences, 2011
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.