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<strong>Ultrasonic studies on molecular interaction of -amino acids in aqueous solutions at different pH</strong>

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Title Statement <strong>Ultrasonic studies on molecular interaction of -amino acids in aqueous solutions at different pH</strong>
 
Added Entry - Uncontrolled Name Kannappan, Venu -; Presidency college
UGC , New Delhi
 
Uncontrolled Index Term specific instrumentation and techniques of general use in physics
Ultrasonic technique, isoelectric point, alpha amino acids
 
Summary, etc. A novel method involving ultrasonic velocity measurement has been adopted for the accurate determination of iso-electric point (pI) of eleven a-amino acids at 303 K. The a-amino acids used are aspartic acid (Asp), glutamic acid (Glu), asparagine (Asn), phenylalanine (Phe), threonine (Thr), glycine (Gly), alanine (Ala), valine (Val), isoleucine (Ile), proline (Pro) and histidine (His). Allied acoustical properties like adiabatic compressibility (), acoustical impedance (z), free length (<em>L</em><sub>f</sub>), relative adiabatic compressibility (/<sub>0</sub>) apparent molal compressibility () available volume (<em>V</em><sub>a</sub>) are computed for aqueous solutions of these amino acids at different <em>p</em>H values. Conductance has been measured for aqueous solutions of these amino acids at 303 K at different <em>p</em>H values and pI values are evaluated from the <em>p</em>H value at which minimum conductance was observed. The pI values determined by ultrasonic and conductivity methods are compared with those obtained by electrometric method. There is found to be good agreement between the values obtained by different methods.
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2016-06-10 10:00:34
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/437
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 51, ##issue.no## 7 (2013): Indian Journal of Pure & Applied Physics
 
Language Note en
 
Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJPAP/article/download/437/890
 
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