LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – MEDICAL LAB. TECHNOLOGY
FOURTH SEMESTER – APRIL 2011
ML 4810 – SEPARATION TECHNIQUES & PHARMACEUTICAL CHEMISTRY
Date : 07-04-2011 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
SECTION-A
ANSWER ALL THE QUESTIONS: (10 X 2=20 Marks)
- What is Svedberg unit?
- Differentiate rate-zonal from isopycnic centrifugation.
- What are isocratic and gradient elution?
- List any four locating agents used in TLC.
- Mention any two membranes used in blotting technique.
- What is isoelectric focussing?
- Name any four infectious agents which act as teratogens.
- What is Real Time PCR?
- Define the term bioenhancer.
- What is lethal and sublethal toxic effects?
SECTION-B
ANSWER ANY FOUR QUESTIONS (4 X 10=40 Marks)
- Explain the rate zonal and isopycnic centrifugation technique.
- Write notes on molecular exclusion chromatography.
- Write the principle, procedure and applications of western blotting technique.
- Give an account of the mechanism of affinity chromatograpy.
- Discuss the different routs of excretion of drug.
- Elaborate the impacts of heavy metal toxicity with suitable example.
SECTION-C
ANSWER ANY TWO QUESTIONS (2 X 20=40 Marks)
- Explain the mechanism, procedure and applications of preparative centrifugation.
- Describe the principle, operation and applications of SDS-PAGE.
- Trace the polymerization chain reaction with suitable diagram.
- Discuss the biotransformation of drugs.
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