User:Elizabeth Ghias/Notebook/Experimental Biological Chemistry/2011/11/30: Difference between revisions
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==Objective== | ==Objective== | ||
To compare the the 69.5 and 161 molar ratios for nanoparticle synthesis and attempt to produce purple fibers at the | To compare the the 69.5 and 161 molar ratios for nanoparticle synthesis and attempt to produce purple fibers at the 69.5 ratio and a purple solutions at the 161 ratio. | ||
==Description== | ==Description== | ||
Revision as of 19:47, 8 December 2011
 Experimental Biological Chemistry
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ObjectiveTo compare the the 69.5 and 161 molar ratios for nanoparticle synthesis and attempt to produce purple fibers at the 69.5 ratio and a purple solutions at the 161 ratio. Description69.5 Molar Ratio Two 69.5 molar ratio reaction mixtures were prepared by mixing 100 uL of 17.7 uM BSA, 50 uL of 2.9 mM HAuCl4. and 850 uL water. Tube A was left in the heat block set to 80°C for 3 hours. Tube B was placed in the heat block and was taken out for ten minutes every half an hour.
Two 161 molar ratio reaction mixtures were prepared by mixing 100 uL of 17.7 uM BSA, 100 uL of 2.9 mM HAuCl4. and 800 uL water. Tube C was left in the heat block set to 80°C for 3 hours. Tube D was placed in the heat block and was taken out for ten minutes every half an hour.
Data
30 minutes into the reaction, tube B was a light pink color, while tube D had formed a purple clump. Tube A was a light purple-pink color. Tube C appeared for be a purple solution but upon closer inspection, tiny fragments could be seen.
This image shows the tubes at the end of the three hour reaction period. The 69.5 molar ratio reaction mixtures all formed purple solutions, while the 161 molar ratio reactions all formed purple fibers. NotesThis area is for any observations or conclusions that you would like to note.
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