User:Madeleine Y. Bee/Notebook/Single Molecule Fluorescence/2013/07/29

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(Autocreate 2013/07/29 Entry for User:Madeleine_Y._Bee/Notebook/Single_Molecule_Fluorescence)
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(July 29, 2013)
 
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|style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Project name</span>
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|style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Absorbance Measurements</span>
|style="background-color: #F2F2F2" align="center"|<html><img src="/images/9/94/Report.png" border="0" /></html> [[{{#sub:{{FULLPAGENAME}}|0|-11}}|Main project page]]<br />{{#if:{{#lnpreventry:{{FULLPAGENAME}}}}|<html><img src="/images/c/c3/Resultset_previous.png" border="0" /></html>[[{{#lnpreventry:{{FULLPAGENAME}}}}{{!}}Previous entry]]<html>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</html>}}{{#if:{{#lnnextentry:{{FULLPAGENAME}}}}|[[{{#lnnextentry:{{FULLPAGENAME}}}}{{!}}Next entry]]<html><img src="/images/5/5c/Resultset_next.png" border="0" /></html>}}
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==Entry title==
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==July 29, 2013==
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* Insert content here...
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===Absorbance Data: AuNPs@SiO<sub>2</sub>===
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[[Image:2013_0729_AuNPs@SiO2.PNG]]<br.>
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Silica-coated AuNPs made with MHA dissolved in water (heated to 130C in order for MHA to dissolve) vs. MHA dissolved in isopropanol (not heated; MHA soluble in organic solvents).
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====Notes====
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Spectra for silica-coated AuNPs made with MHA dissolved in water is consistent with spectra found in the literature.  The noticeable shift towards the right in the spectra for silica-coated AuNPs made with MHA dissolved in isopropanol is indicative of aggregation.  Additionally, the AuNPs-MHA in isopropanol solution was a deep purple color, also consistent with aggregation, while the AuNPs-MHA in water was the characteristic pink color of gold nanoparticles in solution.
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===For NIST Tomorrow===
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*9.65nm, 23.5nM AuNPs
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*9.65nm, 4.7nM AuNPs with MHA (in water)
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*AuNPs@SiO<sub>2</sub>- MHA in water
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**5uL
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**4uL
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**3uL
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**2uL
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**1uL
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Current revision

Absorbance Measurements Main project page
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July 29, 2013

Absorbance Data: AuNPs@SiO2

Image:2013_0729_AuNPs@SiO2.PNG
Silica-coated AuNPs made with MHA dissolved in water (heated to 130C in order for MHA to dissolve) vs. MHA dissolved in isopropanol (not heated; MHA soluble in organic solvents).

Notes

Spectra for silica-coated AuNPs made with MHA dissolved in water is consistent with spectra found in the literature. The noticeable shift towards the right in the spectra for silica-coated AuNPs made with MHA dissolved in isopropanol is indicative of aggregation. Additionally, the AuNPs-MHA in isopropanol solution was a deep purple color, also consistent with aggregation, while the AuNPs-MHA in water was the characteristic pink color of gold nanoparticles in solution.

For NIST Tomorrow

  • 9.65nm, 23.5nM AuNPs
  • 9.65nm, 4.7nM AuNPs with MHA (in water)
  • AuNPs@SiO2- MHA in water
    • 5uL
    • 4uL
    • 3uL
    • 2uL
    • 1uL


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