Biophysical and Corrosion Chemistry

Paper Code: 
CHY - 423(D)
Credits: 
3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 
To acquaint the students with corrosion chemistry and liquid state and also to aware with statistical mechanics of biopolymers.
 
8.00
Unit I: 
Corrosion Science
Theories of corrosion, kinetics of corrosion, Evan’s diagram thermodynamics of corrosion- Pourbaix diagram, forms of corrosion, prevention of corrosion- modification of materials, corrosion inhibitors, cathodic and anodic protection
 
7.00
Unit II: 
Biological Cell and Bioenergetics

Biological cell, structure and functions of proteins, enzymes, Standard free energy change in biochemical reactions, exergonic, endergonic.

10.00
Unit III: 
Statistical Mechanics in Biopolymers
Evaluation of size, shape, molecular weight and extent of hydration of biopolymers by various experimental techniques. Sedimentation equilibrium, hydrodynamic methods, diffusion, sedimentation velocity, viscosity, electrophoresis and rotational motions.
Chain configuration of macromolecules, statistical distribution end to end dimensions, calculation of average dimensions for various chain structures. Polypeptide and protein structures, introduction to protein folding problem.
 
10.00
Unit IV: 
General Properties of Liquids
Liquids as dense gases, liquids as disordered solids, some thermodynamic relations, internal pressure and its significance in liquids. Equations of state, critical constants. Diferent types of intermolecular forces in liquids, different potential functions for liquids, additivity of pair potential approximation.
 
10.00
Unit V: 
Supercooled and Ionic liquids
Supercooled and Ionic liquids, theories of transport properties, non-arrhenius behaviour of transport properties, Cohn-Turnbull free volume model, configurational entropy model, glass transition in supercooled liquids.
 
References: 
  1. Engineering Chemistry; Krishnamurthy, N. Vaillinayagan; Prentice Hall of India Pvt. Ltd. 2006.
  2. Biophysical Chemistry, Vol,. I-III, Twelth Edition; Cantor, C.R. & Schimmel, Paul R.; W.H. Freeman & Company, U.S.A., 2002
  3. Principles of Biochemistry, Third Edition; Lehninger, A. L., Nelson, D.L. & Cox, M. M. Lehninger; McMillan Press Ltd., London, 2002.
  4. An Introduction to Liquid State, P.A.Egeistaff, Academic Press.
 
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