Showing posts with label class notes for Biochemistry. Show all posts
Showing posts with label class notes for Biochemistry. Show all posts

Friday, April 18, 2014

Biochemistry PowerPoint collection

Powerpoint links collected from the website of :

DAVID SHINTANI,Department of Biochemistry,University of Nevada.

Chapter 1 - Introduction to Biochemistry (lecture 1)
Chapter 2 - Properties of Water/pH/Buffers (lecture 2, 3)
Chapter 3 - Amino acids, Peptides and Proteins (lecture 3, 4)
Chapter 3 - Protein purification/Analysis (lecture 5)
Chapter 4 (part 1) - Protein Structure Introduction / 2o Structure (lecture 6)
Chapter 4 (part 2) - Protein 3-D structure: 3o and 4o structure and protein folding (lecture 7)
Chapter 4 (part 3) - Protein 3-D structure: Structure Function (lecture 8)
Chapter 5 (part1) - Enzymes - Introduction (lecture 9)
Chapter 5 (part2) - Enzymes - Michaelis-Menton Kinetics (lecture 10)
Power Point    PDF slides   
Chapter 5 (part3) - Enzymes - More Kinetics (lecture 11)
Chapter 5 (part 4) - Enzymes Regulation (lecture 12)
Chapter 6 (part 1) - Enzymes Mechanisms (lecture 14) 
Chapter 7 (part 1) - cofactors (lecture 15) 
Chapter 7 (part 2) - cofactors (lecture 16) 
Chapter 8 (part 1) - Carbohydrates: monosaccharides (lecture 17) 
Chapter 8 (part2) - Carbohydrates: oligo- and polysaccharides (lecture 18 
Power Point    PDF slides    Song
annotated slides Power Point    annotated slides PDF
Chapter 9 (part1) - Lipids and Membrane (lecture 19) 
Chapter 9 (part2) - Lipids and Membrane (lecture 20) 
Chapter 9 (part3) - Lipids and Membrane (lecture 21) 
Chapter 10  - Introduction to Metabolism (lecture 22) 
Chapter 11  - Glycolysis (lecture 23) 
     Power Point    PDF slides    Chapter 11 Summary
Chapter 11  - Glycolysis (lecture 24) 
Chapter 12  - Citric Acid Cycle (lecture 25) 
Chapter 13  - Additional Pathways of Carbohydrate metabolism (lecture 26) 
Chapter 14  - Electron Transport (lecture 27) 
Chapter 14  - Oxidative Phosphorylation (lecture 28) 
Chapter 15  - Photosynthetic Electron Transport (lecture 29) 
Chapter 15  - Photophosphorylation (lecture 30) 
Chapter 15  - Carbon Fixation (dark reactions) (lecture 31) 
Chapter 16  - Lipid Absorption and Mobilization (lecture 32) 
Chapter 16  - Fatty Acid Catabolism (b-oxidation) (lecture 33) 
Chapter 16  - Fatty Acid Synthesis (lecture 34)
 Chapter 16  - Synthesis of Eicosanoids, Glycerolipids and Isoprenoids (lecture 35)
Chapter 17  - Nitrogen Assimilation and Amino Acid Synthesis (lecture 36) 
Chapter 17  - Protein Degradation and Amino Acid Catabolism (lecture 37) 
Summary of Metabolism
Chapter 19  - Nucleic Acids (lecture 38) 
Chapter 19  - Nucleic Acids (lecture 39) 
Chapter 20  - DNA Replication and Repair (lecture 40) 
Chapter 21  - Transcription (lecture 41) 
Chapter 21  - Transcriptional Regulation and RNA Processing (lecture 42) 
Chapter 22  - Protein Synthesis (Part 1) (lecture 43) 
Chapter 22  - Protein Synthesis (Part 2) (lecture 44) 
Chapter 23  - Recombinant DNA Technologies (Part 1) (lecture 45) 

Tuesday, February 19, 2013

Alkaline pH of Blood: Benefits


Blood pH Level - The Benefits Of Alkaline pH Blood

We are all born with a very high alkaline blood pH of 7.4. Over the years as we age this pH level gets more acidic. An acidic environment is like a magnet for all diseases. It also speeds up the aging process. So if the aging process is to be slowed down and lost years regained then one must work towards an increased pH.

Friday, January 18, 2013

Quality control in Biochemistry laboratory


Quality Assurance in the biochemistry laboratory is intended to ensure the reliability of the laboratory tests. The objective of quality assurance is to achieve reliable test results by 

  • Accuracy
  • Precision
Accuracy

This refers to the closeness of the estimated value to that considered to be true. Accuracy can, as a rule, be checked only by the use of reference materials which have been assayed by reference methods.

Precision
This refers to the responsibility of the result, but a test can be precise without being accurate. Precision can be controlled by replicate tests and by repeated tests on previously measured specimens. And the test result or value which we get should be closer to the previous one.

Inaccuracy and/or imprecision occur as a result of using unreliable standards or reagents ,incorrect instrument calibration, or poor technique.eg consistently faulty dilution or the use of a method that gives a reaction that is incomplete or not specific for the test.

First of all, Edward Demming gave the idea about quality control. According to him,

Improved quality=increased productivity at lower cost.

This can be done by
  1. Eliminating rework
  2. Save time
  3. Save labour
  4. Save material e.g. reagent, specimen etc.
  5. Patient care.
Quality Assurance Programme Includes
  • Internal quality control (IQC)
  • External quality assessment (EQC)
  • Proficiency surveillance
  • Standardization
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