User:Eleni N. Kalivas/Notebook/CHEM-571/2013/10/30

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Objective

The objective for today is to synthesize new Myoglobin-AuNP solutions with different ratios in order to determine the optimal concentration of Au:protein for the formation of fibers, and to also synthesize Lysozyme-AuNP solutions

Protocol

  • 5mL of each solution was prepared.


Preparation of Myoglobin-AuNP solutions

Ratio Myoglobin Amount of gold added(mL) Concentration Myoglobin(M) Volume Myoglobin(mL) Volume Water Myoglobin(mL)
5 0.494264558 0.00005 2 2.505735442
10 0.494264558 0.000025 1 3.505735442
15 0.494264558 1.66667E-05 0.666666667 3.839068775
20 0.494264558 0.0000125 0.5 4.005735442
25 0.494264558 0.00001 0.4 4.105735442
30 0.494264558 8.33333E-06 0.333333333 4.172402108
35 0.494264558 7.14286E-06 0.285714286 4.220021156
40 0.494264558 0.00000625 0.25 4.255735442
45 0.494264558 5.55556E-06 0.222222222 4.28351322
50 0.494264558 0.000005 0.2 4.305735442


Preparation of all Lysozyme-AuNP solutions

Ratio Lysozyme Amount gold added (mL) Concentration Lysozyme(M) Volume Lysozyme (mL) Volume Water Lysozyme (mL)
30 0.494264558 8.33333E-06 1.611148649 2.894586793
50 0.494264558 0.000005 0.966689189 3.539046253
70 0.494264558 3.57143E-06 0.690492278 3.815243164
90 0.494264558 2.77778E-06 0.53704955 3.968685892
110 0.494264558 2.27273E-06 0.439404177 4.066331265
130 0.494264558 1.92308E-06 0.371803534 4.133931907
150 0.494264558 1.66667E-06 0.32222973 4.183505712
170 0.494264558 1.47059E-06 0.28432035 4.221415092
190 0.494264558 1.31579E-06 0.254391892 4.25134355
210 0.494264558 1.19048E-06 0.230164093 4.275571349


Stock Solution concentrations

Concentration of Myoglobin (M) Concentration Gold(M) Concentration Lysozyme (M)
0.000125 0.00252901 2.58615E-05
  • All stock solutions were prepared with deionized H2O
  • The gold stock solution was prepared using Gold Chloride (II) trihydrate


Preparation of Lysozyme Stock solution

Molecular Weight(g/mol) 14307
mass lysozyme(g) 0.0037
volume solution(mL) 10
Concentration Lysozyme (M) 2.58615E-05


Preparation of Myoglobin Stock solution

Molecular weight (g/mol) 17600
mass myoglobin (g) 0.022
volume solution (mL) 0.01
Concentration (M) 0.000125


Data

We will run UV-vis on the prepared samples next at some point next week.