portfolio of the engineered advanced materials
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Engineered Advanced Materials Portfolio
Engineered Advanced Materials PortfolioVahid Raeesi, Ph.D. in Nano-Biomaterials technology
Outline Organic Nanomaterials Inorganic Nanomaterials Inorganic-Organic Nanocomposites (Multifunctional Materials)
Organic Nanomaterials
Polymer Nanoparticles
Material: Biodegradable PLGA polymer
Synthesis method: Wet chemistry
Application: Vehicles for drug storage, Controlled release
Nanocapsules (100nm)Solid NanoparticlesScale bar is 100nmUnpublished work
Copolymer Microparticles
Unpublished workOil-in-Water emulsion from mPEG-b-PLGA Water-in-Oil emulsion from mPEG-b-PLGA Material: Biodegradable PEG-b-PLGA copolymer
Synthesis method: Wet chemistry
Application: Vehicles for cargo storage, Controlled release
Inorganic Nanomaterials
Gold Nanorods
Synthesis methods: Seeded growth Application: Photo-thermal nanoconvertor, Drug delivery Gold NanorodsV.Raeesi and W. C. Chan, Nanoscale, 2016, DOI: 10.1039/C5NR08463F Mohamed A. Abdou Mohamed and Vahid Raeesi, Patricia Turner, Anu Rebbapragada, Kate Banks, Warren C. W. Chan, Biomaterials, 10.1016/j.biomaterials.2016.04.009 (1st Co-author)
Gold Nanospheres(50nm) Gold Nanospheres(120nm) Gold NanospheresSynthesis methods: Controlled salt-reduction Application: Diagnostic probes, Drug delivery, Bioimaging V.Raeesi and W. C. Chan, Nanoscale, 2016, DOI: 10.1039/C5NR08463F
Zinc Oxide Nanostructures
ZnO nanoparticlesZnO nanofilmZnO nanowire filmSynthesis methods: Thermal decomposition, Chemical Vapor Deposition, Supercritical Fluid A.Reiser, V. Raeesi, G.M. Prinz, M. Schirra, M. Feneberg, U. Roder, R. Sauer, K.Thonke, Microelectronics, Vol. 40, 2, 306-308 (2009) Application: Blue emission LED devices, High electron mobility electrodes for solar cells,Piezoelectric electrodes for biosensing
Positive Temperature Coefficient FillersSynthesis method:
Organo-modification by Dimethylglyoxime
Application: As fillers for polymer composite temperature-dependent switches
Material:
Carbon black modified with Ni & Au particles
B.Pourabbas,V.Raeesi and S.Ghasemi,Polymer based PTC composites from Carbon Blacks modified with metal particles ,IUPAC International Polymer Congress MACRO2004,Symposium 5.1:Polymers for energy ,electronic,opto-electronic and optical applications ,France , July 4-9, 2004SEM image of Carbon black modified with Ni particles
NanophosphorsSynthesis method: Chemical Vapor Synthesis, Wet Chemistry
Application: High quality white LEDs
Material: YAG:Ce (or BaFBr2)
H.Paul, H. Kaps, Th. Gleich, V. Raeesi, U. Herr and M. Zachau, Solid State Phenomena, Vol. 128 (2007), pp712
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Inorganic-Organic Nanocomposites (Multifunctional materials)
Polymer/Gold Nanoparticles
100nm
Gold NP-embedded Polymer NanocapsuleGold NR-embedded Polymer Nanoparticle100nmGold NP-impregnated Polymer NanoparticlesUnpublished workMaterial: PLGA polymer , Gold nanoparticles
Synthesis method: Wet chemistry
Application: Multifunctional nanoparticles for light-triggered drug delivery, bioimaging, bacterial disinfection
Photo-thermal NanogelMaterial: Thermogel , Gold nanoparticles
Synthesis method: Wet chemistry
Application: Controlled microscopic heat concentrator, High heating rate applications, Bacterial disinfector, Smart light-responsive coatings
Mohamed A. Abdou Mohamed and Vahid Raeesi, Patricia Turner, Anu Rebbapragada, Kate Banks, Warren C. W. Chan, Biomaterials, 10.1016/j.biomaterials.2016.04.009 (1st Co-author)
DNA-based Nanoassemblies
Scale bar is 50nmMaterial: DNA , Gold nanoparticles
Synthesis method: DNA assembly
Application: Multifunctional nanovehicle for light-triggered drug & nucleic acid delivery, bioimaging
V.Raeesi, Chou. L.C., W.C.Chan, (final review in Advanced Materials)
Polymer/Quantum Dot Nano-MicroparticlesUnpublished workMaterial: PLGA polymer , Quantum Dots(640nm)
Synthesis method: Wet chemistry
Application: Multifunctional nanoparticles for drug delivery, bioimaging
QD-encapsulated Microcapsules
QD-coated Nanocapsules
Polymer/clay nanocomposite
Intercalated clayABS matrixSynthesis method:
Solvent / Non-solvent
Application:
Retarded thermal degradation, flame point
Material:
ABS/Silicate Nanocomposite
B.Pourabas ,V. Raeesi, Polymer, 46, 5533-5540 (2005)
TEM image of ABS/Silicate Nanocomposite