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Final presentation
1. THE ENHANCEMENT OF
ALUMINUM SURFACE
AREA BY POLYMERS
TEMPLATE ASSISTANCE
Prof. Otaño
RISE Spring 2015
Sara Diaz
Patricia Rodriguez
Camille Ruiz
Justin Cotto
2. PROBLEM
âWhich polymer is easier to detach from the deposited
Aluminum, in order to acquire an Aluminum nano-shell?
âHypothesis
â Cellulose acetate detaches easily.
â Poly(vinyl alcohol) âPoly(acrylic acid) will only detach when
soaked in water.
â Regenerated cellulose will not detach.
3. SIGNIFICANCE
Cancer therapy and bio imaging enhancement:
Theranostic probes
AuNPâs are biocompatible, have vivid optical properties, and the
flexibility to have different molecules and materials attached to their shell
Scattering: AuNPâs become visible to imaging processes
Absorption: Phototermal ablation
Minimal damage to body cells
Gold nanoshells are shuttled into tumors by phagocytosis
A macrophage is formed
Alternative:
Placing drugs inside nanoparticle and using it as a vehicle
Accomplished by coating outside of a nanoparticle with iron oxide
Once the tumor area is coated with drug filled nanoparticles, they are activated
(Loo 2005)
7. SPUTTERING
UTILITIES
AND
ADVANTAGES
Utility:
Semiconductor industries
Optical applications: glasses and telescopes
Thin film transistors
Low emissivity coatings on glass
Fabrication of CDâs and DVDâs
-Efficient Photovoltaic solar cells
Advantages:
Materials with very high melting points are easily sputtered.
Sputtered films typically have stronger adhesion on the substrate
Target contains large amount of material and is maintenance free
Sputtering sources contain no hot parts and are compatible with reactive gases
Size and relative thickness of the nanoshell can be controlled by changing reaction
time and plating concentration
16. CONCLUSI
ON
âHypothesis was unable to be proven
âFuture projects:
âEvaluation of fibers through electron
microscope
âCharacterization of fiber morphology
âComparison of optimal templates
17. CITED
LITERATURE
Loo C, Lowery A, Halas N, West J, Dezek R. 2005.
Immunotargeted Nanoshells for Integrated Cancer Imaging and
Therapy. Nano Lett. [Internet; cited May 14]. Doi:
10.1021/nl050127s. Recovered at:
http://faculty.washington.edu/markeh/MSE599/Loo_Nanolett_2005.
pdf
Ning Z, Xiongbiao C. 2013. Biofabrication of Tissue Scaffolds in
book entitled. Advances in Biomaterials Science and Biomedical
Applications. Recovered at: http://ppl.ippt.gov.pl/18-few-words-
about/17-electrospinning
18. ACKNOWLEDGMENT
S
RISE PROGRAM
âDr. Eneida Diaz
âDr. Elena Gonzalez
âMr. Giovanni Cruz
âProfessor Ota-o and his students:
âNormarieli Passalacqua
âAlejandra De Jesus
âXavier Ortiz
19. THE ENHANCEMENT OF
ALUMINUM SURFACE
AREA BY POLYMERS
TEMPLATE ASSISTANCE
Prof. Otaño
RISE Spring 2015
Sara Diaz
Patricia Rodriguez
Camille Ruiz
Justin Cotto