User:Puja Mody/Notebook/Chem 571: Gold Nanoparticles/2012/10/03

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==Goals==
==Goals==
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* Run UV-Vis of Absorbance vs. time of the HRP assay.
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* Test activity of HRP int he presence of AuNP by using a Uv-Vis Absorbance HRP assay.  
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*'''[[User:Abigail E. Miller|Abigail E. Miller]] 11:11, 7 October 2012 (EDT)''': that is what you did to accomplish your goal. yor goal is to test the activity of HRP in the presence of AuNPs by using a Uv-Vis Absorbance HRP assay.
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==Procedure==
==Procedure==
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* We ran multiple UV-Vis spectras of the HRP with the gold nanoparticles to examine the impact that the NPs had on the kinetics of the reaction.
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* We ran multiple UV-Vis spectras of the HRP with the gold nanoparticles to examine the impact that the NPs had on the kinetics of the reaction. We ran each run for 10 minutes and collected the various spectras. We maintained the same concentration in the cuvet of all the reagents except for the concentration of the gold nanoparticles. As a result, we were examining the effect that gold nanoparticles had on the rate of the reaction.  
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*'''[[User:Abigail E. Miller|Abigail E. Miller]] 11:13, 7 October 2012 (EDT)''': this needs to tell me exactly what you did. what solutions you mixed? how long did it take? what concentrations? what were the parameters for the Uv-VIs? what do you need to know to exactly reproduce this from your notebook only.
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==Data==
==Data==
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==Conclusions==
==Conclusions==
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Graphs of the data should be found on [[User:Mary_Mendoza/Notebook/CHEM_571_Experimental_Biological_Chemistry_I/2012/10/03| Mary's notebook]] and analysis of data and rate reactions will be on in the future.
 
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*'''[[User:Abigail E. Miller|Abigail E. Miller]] 11:14, 7 October 2012 (EDT)''':you need to check that before you make the link back to someone else's notebook..
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Kinetics

Goals

  • Test activity of HRP int he presence of AuNP by using a Uv-Vis Absorbance HRP assay.

Procedure

  • We ran multiple UV-Vis spectras of the HRP with the gold nanoparticles to examine the impact that the NPs had on the kinetics of the reaction. We ran each run for 10 minutes and collected the various spectras. We maintained the same concentration in the cuvet of all the reagents except for the concentration of the gold nanoparticles. As a result, we were examining the effect that gold nanoparticles had on the rate of the reaction.

Data

  • We ran 5 main tests and several of the tests multiple times to confirm the data. The multiple tests showed that the experiment was not really reproducible because we seemed to be getting different spectras every time.
Trial run A ' ' ' ' ' '
Cuvethydrogen peroxide concentration (mM)Iodophenol in DMSO concentration (μM)AAP Concentration (μM)HRP concentration (μM)μL of gold np addedμL of water added
1( standard)1.718156.252.30630
11.718156.252.320610
21.718156.252.340590
31.718156.252.360570
41.718156.252.380550
51.718156.252.3100530
Total volume added750 μL10 μL35 μL22 μL


The amount of HRP was changed from 22μL to 33μL because the 22μL in the cuvet did not give a linear spectra, just a horizontal line. More was needed in order to really push the reaction.


HRP with AuNPs


Excel spreadsheet of data.


Image:HRPruns.xlsx

Conclusions


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