User:Allison K. Alix/Notebook/Thesis Research/2013/06/12: Difference between revisions

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Note: These AuNPs will be used in the silica coating procedure. See calculations below.
Note: These AuNPs will be used in the silica coating procedure. See calculations below.


==Calculating AuNP concentration and diameter==
==Calculating AuNP diameter and concentration==


λ<sub>spr</sub>= 527nm
λ<sub>spr</sub>= 527nm
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d= [ln(527nm-512nm/6.53)]/0.0216
d= [ln(527nm-512nm/6.53)]/0.0216


'''d= 38.5nm''', r= 19.25nm
'''d= 38.5nm'''
 
c = A<sub>450</sub>/ε<sub>450</sub>
 
c = 1.89/(4.36x10<sup>9</sup>)
 
'''c = 0.43nM'''




Revision as of 10:48, 12 June 2013

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AuNP synthesis

Note: These AuNPs will be used in the silica coating procedure. See calculations below.

Calculating AuNP diameter and concentration

λspr= 527nm

d= [ln(λspr-λ0/L1)]/L2

where λ0= 512nm, L1= 6.53, and L2=0.0216 (These are fit parameters from theoretical calculations1)

d= [ln(527nm-512nm/6.53)]/0.0216

d= 38.5nm

c = A450/ε450

c = 1.89/(4.36x109)

c = 0.43nM




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