User:Moira M. Esson/Notebook/CHEM-571/2013/11/13: Difference between revisions
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==Objectives== | ==Objectives== | ||
The objective for today is to analyze protein-AuNP solutions prepared on 11/06/2013 using atomic absorption spectroscopy | |||
<br> | <br> | ||
==AA Spectroscopy== | ==AA Spectroscopy== | ||
*The general protocol for atomic absorption described on [[ was followed. The samples were | *The general protocol for atomic absorption described on [[User:Moira M. Esson/Notebook/CHEM-571/2013/11/05|11/05/2013]] was followed. The samples were centrifuged for 30minutes prior to analysis. | ||
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Table 1. Standard Au Solution preparation from 1000μg/mL AA Au gold standard solution | |||
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{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''Concentration(μg/mL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Volume of stock Au solution(mL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Volume Deionized water added(mL)''' | |||
|- | |||
| 10||0.1||9.9 | |||
|- | |||
| 20||0.2||9.8 | |||
|- | |||
| 30||0.3||9.7 | |||
|- | |||
| 40||0.4||9.6 | |||
|- | |||
| 50||0.5||9.5 | |||
|} | |||
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Table 2. AA spectroscopy AuNP-protein solutions observations | |||
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{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''Au:Lysozyme Ratio''' | |||
| align="center" style="background:#f0f0f0;"|'''Appearance of solution''' | |||
| align="center" style="background:#f0f0f0;"|'''Au:Hemoglobin Ratio''' | |||
| align="center" style="background:#f0f0f0;"|'''Appearance of solution''' | |||
|- | |||
| 5||Colorless||30||Lightly colored | |||
|- | |||
| 10||Lightly colored||50||Lightly colored | |||
|- | |||
| 15||Colored darkly||70||Darkly colored | |||
|- | |||
| 20||Colored||90||Darkly colored | |||
|- | |||
| 25||Colored||110||Colorless | |||
|- | |||
| 30||Colored||130||Colorless | |||
|- | |||
| 35||Colored||150||Colorless | |||
|- | |||
| 40||Colorless||170||Colorless | |||
|- | |||
| 45||Colorless||190||Colorless | |||
|- | |||
| 50||Colorless||210||Colorless | |||
|} | |||
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*All of the solutions, if stated as colored, had a purplish color. | |||
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Figure 1. Absorbance spectra of AuNP Lysozyme solutions | |||
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[[Image:Atomic Absorbance Spectra of AuNP Lysozyme solutions zem .png]] | [[Image:Atomic Absorbance Spectra of AuNP Lysozyme solutions zem .png]] | ||
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Figure 2. Absorbance Spectra of AuNP-Hemoglobin solutions | |||
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[[Image:Atomic Absorbance Spectra of AuNP-Hemoglobin solutions zem.png]] | [[Image:Atomic Absorbance Spectra of AuNP-Hemoglobin solutions zem.png]] | ||
<Br> | |||
Figure 3. Calibration Curve for Gold Standards | |||
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[[Image:Calibration Curve for Gold Standards lysozymehemozem.png]] | [[Image:Calibration Curve for Gold Standards lysozymehemozem.png]] | ||
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Figure 4. Concentration vs. Absorbance Au-Hemoglobin solutions | |||
[[Image:Concentration vs. Absorbance AuNP-Hemoglobin solutions zem.png]] | [[Image:Concentration vs. Absorbance AuNP-Hemoglobin solutions zem.png]] | ||
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Figure 5. Concentration vs. Absrobance AuNP-Lysozyme solutions | |||
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[[Image:Concentration vs. Absorbance of AuNP-Lysozyme solutions zem.png]] | [[Image:Concentration vs. Absorbance of AuNP-Lysozyme solutions zem.png]] | ||
<br> | <br> | ||
==Notes== | ==Notes== | ||
*The AuNP-protein solutions prepared on [[User:Moira M. Esson/Notebook/CHEM-571/2013/10/30|10/30/2013]] will be analyzed during the next period. These samples contained a smaller volume (3.5mL) than the other volumes being centrifuged and as such will be analyzed during the next lab period after being centrifuged | *The AuNP-protein solutions prepared on [[User:Moira M. Esson/Notebook/CHEM-571/2013/10/30|10/30/2013]] will be analyzed during the next period. These samples contained a smaller volume (3.5mL) than the other volumes being centrifuged and as such will be analyzed during the next lab period after being centrifuged |
Revision as of 16:53, 20 November 2013
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ObjectivesThe objective for today is to analyze protein-AuNP solutions prepared on 11/06/2013 using atomic absorption spectroscopy
AA Spectroscopy
Notes
|