User:Mary Mendoza/Notebook/CHEM572 Exp. Biological Chemistry II/2013/02/12

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==Entry title==
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==ADA Kinetic Assay==
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* Insert content here...
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*The assay runs were continued from last week's, [[User:Mary Mendoza/Notebook/CHEM572 Exp. Biological Chemistry II/2013/02/05|02/05/2013]] calculated values.
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*The objective of performing the assay is to obtain  the rate of the enzymatic reaction of adenosine into inosine by ADA.
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*Baseline 200-400nm using pH 7.4, 0.05M phosphate buffer
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*Temperature control: 25°C
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*Phosphate buffer in reference cell
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*Ran kinetics on 250uM solution (20uL ADA, 600uL 1250uM Adenosine, and 2.38mL pH7.4, 0.005M phosphate buffer) for 5 minutes at 265nm.
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**absorbance exceeded 4.00, so the assay was stopped and a new solution was prepared.
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*Ran kinetics on 2.56uM solution (20uL ADA, 600uL 12.8uM Adenosine, and 2.38mL pH7.4, 0.005M phosphate buffer) for 5 minutes at 265nm.
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**dAbs was obtained and plotted vs. time in excel
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*Ran kinetics on 6.4uM solution (20uL ADA, 600uL 32uM Adenosine, and 2.38mL pH7.4, 0.005M phosphate buffer) for 5 minutes at 265nm.
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**dAbs was obtained and plotted vs. time in excel
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*Ran kinetics on 16uM solution (20uL ADA, 600uL 80uM Adenosine, and 2.38mL pH7.4, 0.005M phosphate buffer) for 5 minutes at 265nm.
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**dAbs was obtained and plotted vs. time in excel
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*The following table describes the volumes and concentrations of the components added to the cuvette.
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[[Image:Data_Table.JPG|center]]

Revision as of 01:08, 13 February 2013

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ADA Kinetic Assay

  • The assay runs were continued from last week's, 02/05/2013 calculated values.
  • The objective of performing the assay is to obtain the rate of the enzymatic reaction of adenosine into inosine by ADA.
  • Baseline 200-400nm using pH 7.4, 0.05M phosphate buffer
  • Temperature control: 25°C
  • Phosphate buffer in reference cell
  • Ran kinetics on 250uM solution (20uL ADA, 600uL 1250uM Adenosine, and 2.38mL pH7.4, 0.005M phosphate buffer) for 5 minutes at 265nm.
    • absorbance exceeded 4.00, so the assay was stopped and a new solution was prepared.
  • Ran kinetics on 2.56uM solution (20uL ADA, 600uL 12.8uM Adenosine, and 2.38mL pH7.4, 0.005M phosphate buffer) for 5 minutes at 265nm.
    • dAbs was obtained and plotted vs. time in excel
  • Ran kinetics on 6.4uM solution (20uL ADA, 600uL 32uM Adenosine, and 2.38mL pH7.4, 0.005M phosphate buffer) for 5 minutes at 265nm.
    • dAbs was obtained and plotted vs. time in excel
  • Ran kinetics on 16uM solution (20uL ADA, 600uL 80uM Adenosine, and 2.38mL pH7.4, 0.005M phosphate buffer) for 5 minutes at 265nm.
    • dAbs was obtained and plotted vs. time in excel
  • The following table describes the volumes and concentrations of the components added to the cuvette.




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