applications of nanotechnology in health and beauty products tracy g. howard, woodward career...
TRANSCRIPT
![Page 1: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/1.jpg)
Applications of Nanotechnology in Health and
Beauty Products
Tracy G. Howard, Woodward Career Technical H.S.
Michelle Marlow, Hughes STEM H.S.
![Page 2: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/2.jpg)
The Participants
![Page 3: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/3.jpg)
Outline
• Objectives
• Background
• Research
• Conclusion
• Acknowledgments
![Page 4: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/4.jpg)
Objectives• Analyze the importance of size
• Synthesis of nanoparticles
• Identify and characterize nanoparticles in health and beauty
![Page 5: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/5.jpg)
Background and Motivation
• Daizy Philip-green synthesis of metallic
nanoparticles
• Can we actually make silver and gold?
• Nanotechnology and nanoparticles
awareness
![Page 6: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/6.jpg)
Size
• 1 nm = 10-9 m
• Nanoparticle =?
• Why is size importance?
– Chemical features
– Reactivity
– Color
![Page 7: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/7.jpg)
Synthesis of Metallic Nanoparticles
• Green synthesis
– Gold via Honey
– Gold via Hibiscus plant
– Silver via chemicals & Geranium plant
![Page 8: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/8.jpg)
Synthesis
![Page 9: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/9.jpg)
Microscopy and Spectroscopy Instruments
• Dynamic Light Scattering (DLS)
• Ultraviolet-visible spectroscopy (UV/Vis)
• Scanning Electron Microscope (SEM)
• Transmission Electron Microscope (TEM)
![Page 10: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/10.jpg)
Scanning Electron Microscope
• Electron Beam
• Magnification capabilities
• EDAX software
• Uses
![Page 11: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/11.jpg)
Characterization-Scanning Electron Microscope
500 nm
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Elemental analysis confirms the nanoparticles are gold
EDAX Software
200 nm
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Health and Beauty• Synthetic vs. ‘natural’ make up
0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
30.00%
35.00%
40.00%
45.00%
Foundation Analysis
Element
Percent Composi-tion
Na Si Bi Cl K Ti Fe Zn
Synthetic
Natural
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Conclusion
• Appreciation of nanotechnology and nanoparticles
• Successful synthesis of gold
• Application, Careers, Society
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Future Work • Continue to explore green synthesis of
metallic nanoparticles
• Composition of make up
• Negative factors of nanoparticles to the environment
![Page 16: Applications of Nanotechnology in Health and Beauty Products Tracy G. Howard, Woodward Career Technical H.S. Michelle Marlow, Hughes STEM H.S](https://reader035.vdocument.in/reader035/viewer/2022070412/56649ed35503460f94be2ba9/html5/thumbnails/16.jpg)
Acknowledgments
• Dr. Doug Kohls (Project PI)
• Kelly Cross (GA)
• Andrea Burrows (Grant Coordinator)
• Dr. Anant Kukreti (Lead PI)