User:Allison K. Alix/Notebook/Thesis Research/2013/07/25

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(ThT/DNA attachment)
(ThT/DNA attachment)
Line 32: Line 32:
e) 900nM
e) 900nM
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***Original Concentrations of 4 and 8-repeats are 265.6uM and 142.8uM, respectively***
+
***Original Concentrations of 4 and 8-repeats are 265.6uM and 142.8uM, respectively***
-
4-repeat
+
'''4-repeat'''
x(500uL)=(265.6uM)(8.12)
x(500uL)=(265.6uM)(8.12)
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200nM--> 4.6uL in 95.4uL
200nM--> 4.6uL in 95.4uL
-
8-repeat
+
'''8-repeat'''
142.8uM(10uL) = (x)(500uL)
142.8uM(10uL) = (x)(500uL)
-
x= 2.856
+
x= 2.856uM
1800nM-->  63uL in 37uL PBS
1800nM-->  63uL in 37uL PBS

Revision as of 10:36, 25 July 2013

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To Do

  • Repeat Silica-Coating procedure using water to dilute nanoparticles instead of PBS. PBS is likely the cause of the aggregation we have been observing.[1]
  • Repeat ThT-DNA fluorescence procedure to show that fluorescence increases with increasing number of G-quadruplexes formed.

Silica-Coating Part 1

1) Dilute 23.5nM AuNPs to 9.4nM (2mL AuNPs in 3mL water *NOTE: the water was left to assimilate to room temperature prior to dilution*)

2)

ThT/DNA attachment

1) Prepare 100uL of the following concentrations of 4-strand and 8-strand telomeric DNA (which should generate 1 and 2 G-quadruplexes respectively)

a) 100nM

b) 300nM

c) 500nM

d) 700nM

e) 900nM

***Original Concentrations of 4 and 8-repeats are 265.6uM and 142.8uM, respectively***

4-repeat

x(500uL)=(265.6uM)(8.12)

x = 4.31uM

1800nM--> 41.8uL in 58.2uL PBS

1400nM--> 32.5uL in 67.5uL

1000nM--> 23.2uL in 76.8uL

600nM--> 13.9uL in 86.1uL

200nM--> 4.6uL in 95.4uL

8-repeat

142.8uM(10uL) = (x)(500uL)

x= 2.856uM

1800nM--> 63uL in 37uL PBS

1400nM--> 49uL in 51uL

1000nM--> 35uL in 65uL

600nM--> 21uL in 79uL

200nM--> 7uL in 93uL






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