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In JoVE (1)
Other Publications (1)
Articles by Anaram Shahravan in JoVE
Encapsulation and Permeability Characteristics of Plasma Polymerized Hollow Particles
Anaram Shahravan, Themis Matsoukas
Department of Chemical Engineering, The Pennsylvania State University
We have used plasma enhanced chemical vapor deposition to deposit thin films ranging from a few nm to several 100 nm on nano-sized particles of various materials. We subsequently etch the core material to produce hollow nanoshells whose permeability is controlled by the thickness of the shell. We characterize the permeability of these coatings to small solutes and demonstrate that these barriers can provide sustained release of the core material over several days.
Other articles by Anaram Shahravan on PubMed
Applied Physics Letters. Mar, 2012 | Pubmed ID: 22454552
A method for generating charge-induced plasmonic shifts, using argon plasma to charge nanoparticle arrays, is presented. Particles develop a negative charge, due to enhanced collisions with high-temperature electrons, in low-temperature plasmas. The negative charge generated causes a blue shift in the localized surface plasmon resonance. The dynamics of the shift were recorded and discussed. This effect could be used as a real-time method for studying the dynamics for charging in plasma.