Alessandra Simonetti

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PURPOSE To evaluate the water diffusivity of normal-appearing white matter (NAWM) in patients with tuberous sclerosis complex compared with that in control subjects. MATERIALS AND METHODS Diffusion and conventional magnetic resonance (MR) imaging examinations were performed in 18 patients with clinically established tuberous sclerosis complex (10 male and(More)
Hematopoietic cell transplantation (HCT) provides a curative therapy for severe forms of primary immunodeficiencies (PID). While the timing and extent of T-cell reconstitution following transplant for PID has been studied in depth, less is known about the kinetics of B-cell development and long-term restoration of humoral functions, which been often(More)
A high-performance sample-and-hold (S/H) front end is proposed. In the double-buffered S/H circuit, the standard voltage follower based on a high-gain two-stage opamp is replaced with a couple of low gain amplifiers in feedback mode. Simulation results show that the proposed active-feedback voltage follower allows a very low gain error with low sensitivity(More)
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