2012). (Also selected to be indexed in the Virtual Jounal of the Biomedical Optics (VJBO), December 19, 2012) M.Navarro-Cia, M. Beruete, M. Sorolla, and N.Engheta, “Lensing System and Fourier Transformation Using Epsilon-Near-Zero Metamaterials,” Physical Review B, Vol. 86, 165130 (6 pages), October 23, 2012. M.G.Silveirinha, and N.Engheta, “Transformation Electronics:  Tailoring the Effective Mass of Electrons,” Physical Review B, Rapid Communication, Vol. 86, 161104(R), October 8, 2012.  (The manuscript can be viewed at http://arxiv.org/abs/1205.6325 ) U.K.Chettiar and N.Engheta, “Internal Homogenization: Effective Permittivity of a Coated Sphere,” Optics Express, Vol. 20, No. 21, pp. 22976-22986, October 8, 2012 (appeared online September 24, 2012). G.Castaldi, S. Savoia, V. Galdi, A.Alù, and N.Engheta, “Analytical Study of Subwavelength Imaging by Uniaxial Epsilon-Near-Zero Metamaterials Slabs,” Physical Review B, Vol. 86, 115123 (10 pages), September 17, 2012.  (The manuscript can be viewed at http://arxiv.org/abs/1205.1620 )   M.Saboktakin, X. Ye, S. J. Oh, S.-H. Hong, A.T. Fafarman, U. K. Chettiar, N.Engheta, C. Murray, and C. Kagan,

“Metal Enhanced Upconversion Luminescence Tunable through Metal Nanoparticle-Nanophosphor Separation,” ACS Nano, Vol. 6, No. 10, pp. 8758-8766, 2012. A.Polemi, A.Alù, N.Engheta, “Nanocircuit Loading of Plasmonic Waveguides,” IEEE Transactions on Antennas and Propagation, Vol. 60, No. 9, pp. 4381-4390, September 2012. U.K.Chettiar, and N.Engheta, “Optical Frequency Mixing through Nanoantenna Enhanced Difference Frequency Generation:  Metatronic Mixer,” Physical Review B, Vol. 86, 075405 (9 pages), August 2, 2012. U.K.Chettiar, R. Fernandez Garcia, S. Maier, and N.Engheta, “Enhancement of Radiation from Dielectric Waveguides Using Resonant Plasmonic Core-Shell,” Optics Express, Vol. 10, Issue 14, pp. 16104-16112, June 29, 2012. B.Edwards, N.Engheta, “Electric Tweezers: Negative dielectrophoretic multiple particle positioning,” New Journal of Physics, Vol. 14, 063012, http://dx.doi.org/10.1088/1367-2630/14/6/063012, June 14, 2012. (Invited) N.Engheta, “From Radio-Frequency Circuits to Optical Nanocircuits,” IEEE Microwave Theory and Technique (MTT) Society Microwave Magazine, special issue on Metamaterials, G. Eleftheriades (guest editor),

Vol. 13, No. 4, pp. 100-113, June 2012. 60th anniversary issue of IEEE MTT Society. P.Fan, U. Chettiar, L. Cao, F. Afshinmanesh, N.Engheta, and M. Brongersma, “An Invisible Metal-Semiconductor Photodetector,” Nature Photonics, Vol. 6, Issue 6, pp. 380- 385, June 2012, appeared online on May 20, 2012, DOI: 10.1038/NPHOTON.2012.108. X.Ye,L.Jin, H. Caglayan, J. Chen, G. Xing, C. Zheng, V. Doan-Nguyen, Y. Kang, N.Engheta, C. Kagan, and C. Murray, “Improved Size-Tunable Synthesis of Monodispersed Gold Nanorods through the Use of Aromatic Additives,” ACS Nano, Vol. 6, No. 3, pp. 2804- 2817, 2012. M.Silveirinha, and N.Engheta, “Effective Medium Approach to Electron Waves: Graphene Superlattices,” Physical Review B, 85, 195413 (10 pages), May 7, 2012.  (Also indexed in the Virtual Journal of Nanoscale Science and Technology, Vol. 25, Issue 21, May 21, 2012.) (The earlier version of the manuscript can be viewed at http://arxiv.org/abs/1203.1902 ) B.Edwards and N.Engheta, “Experimental Verification of Displacement-Current Conduits in Metamaterial-Inspired Optical Circuitry,” Physical Review Letters, Vol. 108, 193902, May 7, 2012.