User:Karlena L. Brown/Notebook/PVOH Research/2013/02/27

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(Hydrogel Pressure Samples Tested 2)
Current revision (19:16, 14 April 2013) (view source)
(Hydrogel Pressure Samples Tested 2)
 
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* Continue fluorescence detection through pressure testing analysis of hydrogel samples (new modifications & better results)
* Continue fluorescence detection through pressure testing analysis of hydrogel samples (new modifications & better results)
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==Hydrogel Pressure Samples Tested 2==
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==Bent Pipette: Hydrogel Pressure Samples Tested 2==
'''RECALL HYDROGEL PRESSURE TESTING PROTOCOL ON 2/20/13 & FLUORESCENCE ANALYSIS PROCEDURES ON 2/13/13'''  
'''RECALL HYDROGEL PRESSURE TESTING PROTOCOL ON 2/20/13 & FLUORESCENCE ANALYSIS PROCEDURES ON 2/13/13'''  
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| align="center" style="background:#f0f0f0;"|'''PVOH Type'''
| align="center" style="background:#f0f0f0;"|'''PVOH Type'''
| align="center" style="background:#f0f0f0;"|'''Clay Selection'''
| align="center" style="background:#f0f0f0;"|'''Clay Selection'''
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| align="center" style="background:#f0f0f0;"|'''Amount of Hydrogel Used (Bent Pippette) (g)'''
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| align="center" style="background:#f0f0f0;"|'''Amount of Hydrogel Used (g)'''
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| 1||90:10||146K||110% CEC NaMT w/ DMHXLBR||0.1084
| 1||90:10||146K||110% CEC NaMT w/ DMHXLBR||0.1084

Current revision

PVOH Research Main project page
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OBJECTIVES

  • Continue fluorescence detection through pressure testing analysis of hydrogel samples (new modifications & better results)

Bent Pipette: Hydrogel Pressure Samples Tested 2

RECALL HYDROGEL PRESSURE TESTING PROTOCOL ON 2/20/13 & FLUORESCENCE ANALYSIS PROCEDURES ON 2/13/13

Sample Order PVOH vs. Clay Ratio PVOH Type Clay Selection Amount of Hydrogel Used (g)
190:10146K110% CEC NaMT w/ DMHXLBR0.1084
290:10130KNaMT0.1044
350:50146K110% CEC NaMT w/ DMHXLBR0.1092
490:10130K110% CEC Laponite w/ DMHXLBR0.1050
550:50130KNaMT0.1050
690:10130KLaponite0.1015
750:50146K110% CEC Laponite w/ DMHXLBR0.1080
850:50130KLaponite0.1036
990:10130K110% CEC NaMT w/ DMHXLBR0.1011
1050:50130K110% CEC Laponite w/ DMHXLBR0.1036
1190:10130K110% CEC NaMT w/ DMHXLBR0.1011
1290:10146KLaponite0.1026
1350:50130K50% CEC NaMT w/ Bu3HdP+0.1052
1450:50146KLaponite0.1045
1590:10130K50% CEC NaMT w/ Bu3HdP+0.1145

Notes

  • The pipettes that provided the best fluorescence results for each sample were both the straight plastic pipette and 90° angle bent pipette
  • All samples run maintained a composition incorporating Rhodamine 6G dye
  • In comparison, the laponite incorporated hydrogels are squishy, clear, extremely adsorbent, and soft to touch
  • The sodium montmorrillonite incorporated hydrogels are hard, dingy, flat, and dull colored (brownish appearance)
  • For laponite samples, one can actually see the Rhodamine 6G dye added clearly within each hydrogel sample (reddish pink appearance)
  • Also the sodium montmorrillonite samples in most cases began to grow a greenish type mold within the hydrogels
  • All samples on 2/27/13 were tested using the bent pipette containing the 90° angle (See figure listed below)

Figure 1. Image of bent pipette used for pressure testing Image:Bent pipette 2 27 13.jpg


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