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- Massimo Bottini, Shane Bruckner, +5 authors Tomas M. Mustelin
- Toxicology letters
- 2006

Carbon nanotubes are a man-made form of carbon that did not exist in our environment until very recently. Due to their unique chemical, physical, optical, and magnetic properties, carbon nanotubes have found many uses in industrial products and in the field of nanotechnology, including in nanomedicine. However, very little is yet known about the toxicity of… (More)

- Yongfu Lian, Xia Dong, +5 authors Tomas M. Mustelin
- 2007

Carbon nanotubes possess unique chemical, physical, optical, and magnetic properties, which make them suitable for many uses in industrial products and in the field of nanotechnology, including nanomedicine. We describe fluorescent nanocomposites for use in biosensors or nanoelectronics. Then we describe recent results on the issue of cytotoxicity of carbon… (More)

Stefano Bellucci, Sergio Ferrara, Murat Günaydin and Alessio Marrani ♣ INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 40,00044 Frascati, Italy bellucci,marrani@lnf.infn.it ♦ Physics Department,Theory Unit, CERN, CH 1211, Geneva 23, Switzerland sergio.ferrara@cern.ch ♭ Department of Physics and Astronomy, University of California, Los Angeles, CA… (More)

We discuss the Attractor Equations of N = 2, d = 4 supergravity in an extremal black hole background with arbitrary electric and magnetic fluxes (charges) for field-strength two-forms. The effective one-dimensional Lagrangian in the radial (evolution) variable exhibits features of a spontaneously broken supergravity theory. Indeed, non-BPS Attractor… (More)

- Stefano Bellucci, P . - Y . Casteill, José F. Morales, C . Sochichiu
- 2008

We study spin models underlying the non-planar dynamics of N = 4 SYM gauge theory. In particular, we derive the non-local spin chain Hamiltonian generating dilatations in the gauge theory at leading order in g2 YMN but exact in 1 N . States in the spin chain are characterized by a spin-configuration and a linking variable describing how sites in the chain… (More)

- Stefano Bellucci, P . Y . Casteill, José F. Morales, C . Sochichiu
- 2008

Effective description of gauge interactions in terms of string has a long history [1] (see [2] for a more recent review). Last years the development of the field has streamlined into what is know as AdS/CFT (or Maldacena) conjecture [3, 4], which claims that superstring theory in the background of AdS5×S is essentially the same as N = 4 Super Yang–Mills… (More)

- Cinzia Lucia Ursini, Delia Cavallo, +7 authors Sergio Iavicoli
- Toxicology in vitro : an international journal…
- 2012

Chemical functionalization extends CNT applications conferring them new functions, but could modify their toxicity. We compared cytotoxicity and genotoxic/oxidative effects of -OH functionalized and pristine MWCNTs to evaluated the influence of the functionalization exposing A549 cells to 1-40μg/ml of both MWCNTs for 2, 4 and 24h. Cytotoxicity was evaluated… (More)

We consider the Attractor Equations of particular N = 2, d = 4 supergravity models whose vector multiplets’ scalar manifold is endowed with homogeneous symmetric cubic special Kähler geometry, namely of the so-called st2 and stu models. In this framework, we derive explicit expressions for the critical moduli corresponding to non-BPS attractors with… (More)

- Stefano Bellucci, Sergio Ferrara, Alessio Marrani, Armen Yeranyan
- Entropy
- 2008

The general solutions of the radial attractor flow equations for extremal black holes, both for non-BPS with non-vanishing central charge Z and for Z = 0, are obtained for the so-called stu model, the minimal rank-3 N = 2 symmetric supergravity in d = 4 space-time dimensions. Comparisons with previous partial results, as well as the fake supergravity (first… (More)

The main purpose of these lectures is to give a pedagogical overview on the possibility to classify and relate off-shell linear supermultiplets in the context of supersymmetric mechanics. A special emphasis is given to a recent graphical technique that turns out to be particularly effective for describing many aspects of supersymmetric mechanics in a direct… (More)