User:Allison K. Alix/Notebook/Thesis Research/2013/07/16
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Surface Area of a sphere = 4πr<sup>2</sup>, r = 5nm  Surface Area of a sphere = 4πr<sup>2</sup>, r = 5nm  
  4π(5x10<sup>9</sup>m)<sup>2</sup> = 3.14 x 10<sup>16</sup>m<sup>2</sup> = 314nm<sup>2</sup>  +  4π(5x10<sup>9</sup>m)<sup>2</sup> = 3.14 x 10<sup>16</sup>m<sup>2</sup> = '''314nm<sup>2</sup>''' 
'''Calculating the # of AuNP in 240.7μL 29.67nM solution'''  '''Calculating the # of AuNP in 240.7μL 29.67nM solution'''  
  29.67 x 10<sup>9</sup>mol/L x 240 x 10<sup>6</sup>L x 6.02x10<sup>23</sup> AuNP/mol = 4.299 x 10<sup>12</sup> AuNP  +  29.67 x 10<sup>9</sup>mol/L x 240 x 10<sup>6</sup>L x 6.02x10<sup>23</sup> AuNP/mol = '''4.299 x 10<sup>12</sup> AuNP''' 
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+  '''Calculating the Total Surface Area Available for DNA Attachment'''  
+  
+  4.299 x 10<sup>12</sup> AuNP x 314nm<sup>2</sup>/1 AuNP = '''1.349886 x 10<sup>15</sup>nm<sup>2</sup>'''  
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Revision as of 14:11, 16 July 2013
UVVis Analysis/Silica Coating Pt. 2  Main project page Previous entry Next entry 
To Do
Silica Coating Procedure1) Prepare the following solutions:
3) Centrifuge solutions at 4000 rpm for one hour 4) Resuspend particles in PBS to a final concentration of 5nM? DNA/AuNP Data AnalysisSee Image:2013 0715 AuNPDNA.xlsx for AuNP/DNA spectra as well as absorbance values and molar extinction coefficients used to calculate concentrations of each in final solutions. Calculating the surface area of 1 AuNP Surface Area of a sphere = 4πr^{2}, r = 5nm 4π(5x10^{9}m)^{2} = 3.14 x 10^{16}m^{2} = 314nm^{2} Calculating the # of AuNP in 240.7μL 29.67nM solution 29.67 x 10^{9}mol/L x 240 x 10^{6}L x 6.02x10^{23} AuNP/mol = 4.299 x 10^{12} AuNP Calculating the Total Surface Area Available for DNA Attachment 4.299 x 10^{12} AuNP x 314nm^{2}/1 AuNP = 1.349886 x 10^{15}nm^{2}
