Difference between revisions of "User:Zachary I. Mendel/Notebook/Zacks Notebook/2013/10/22"

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==Notes==
 
==Notes==
*The protocol for the synthesis of HRP-AuNP and Pepsin-AuNP can be found here [[User:Moira M. Esson/Notebook/CHEM-571/2013/08/28|08/28/2013]].
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*The protocol for the synthesis of HRP-AuNP and Pepsin-AuNP can be found here [[User:Zachary I. Mendel/Notebook/Zacks Notebook/2013/08/28]].
 
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Table 1. Preparation of Protein-AuNP solutions
 
Table 1. Preparation of Protein-AuNP solutions

Revision as of 06:57, 28 October 2013

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Objective

  1. Synthesize Pepsin-AuNPs for reactivity tests tomorrow
  2. Determine the Au:Protein ratio required for fiber formation for pepsin and HRP

Description

  1. Synthesis of HRP-AuNPs and Pepsin-AuNPs
    1. Into test tube that will contain a total of 5mL add
    2. Au solution such that the final concentration is 0.25mM
    3. Protein solution such that the final concentration reflects the following Au:Protein ratios
      1. 30
      2. 50
      3. 70
      4. 90
      5. 110
      6. 130
      7. 150
      8. 170
      9. 190
      10. 210
    4. Water up to 5mL

Data

Stock Solutions

  1. HRP
    1. 67.3mg in 100mL of water ---> 15.3 μM
  2. Pepsin
    1. 54.4mg in 100mL of water ---> 15.7 μM
  3. Gold
    1. Need 50mL of 2.5mM
    2. 49.7mg of HAuCl4·3H2O in 50mL water --> 2.52 mM

Notes


Table 1. Preparation of Protein-AuNP solutions

Ratio Amount of gold added(mL) concentration HRP(M) concentration Pepsin(M) Volume HRP(mL) Volume Pepsin(mL) Volume Water HRP (mL) Volume Water Pepsin (mL)
30 0.496031746 8.33333E-06 8.33333E-06 2.723311547 2.653927813 1.780656707 1.850040441
50 0.496031746 0.000005 0.000005 1.633986928 1.592356688 2.869981326 2.911611566
70 0.496031746 3.57143E-06 3.57143E-06 1.16713352 1.137397634 3.336834734 3.36657062
90 0.496031746 2.77778E-06 2.77778E-06 0.907770516 0.884642604 3.596197738 3.61932565
110 0.496031746 2.27273E-06 2.27273E-06 0.742721331 0.723798494 3.761246923 3.780169759
130 0.496031746 1.92308E-06 1.92308E-06 0.628456511 0.61244488 3.875511743 3.891523374
150 0.496031746 1.66667E-06 1.66667E-06 0.544662309 0.530785563 3.959305945 3.973182691
170 0.496031746 1.47059E-06 1.47059E-06 0.480584391 0.468340202 4.023383863 4.035628052
190 0.496031746 1.31579E-06 1.31579E-06 0.42999656 0.419041234 4.073971694 4.08492702
210 0.496031746 1.19048E-06 1.19048E-06 0.389044507 0.379132545 4.114923747 4.124835709


  • The varying ratios will be used to determine the ideal concentrations for the preparation of fibers of unraveled proteins.