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Gemini surfactants consisting of two melamine scaffolds connected by a n-hexyl linker and functionalized with a 1-propylammonium polar head and a lipophilic chain having variable carbon length (from C8 to C16) were synthesized. These were then used successfully for the transfection of A549, U87 MG, and Bristol 8 cell lines with maxGFP expressing plasmid.(More)
The design of non-destructive testing systems for fault detection in long and not accessible pipelines is an actual task in the industrial and civil environment. At this purpose the diagnosis based on the propagation of guided ultrasonic waves along the pipes offers an attractive solution for the fault identification and classification. The authors studied(More)
A new type of adaptive chiral thiophene-based ligands 3 has been designed and developed. The synthetic flexibility of the thienyl ring allowed for the preparation of polydendate C2-symmetric ligands in good yields, carrying simultaneously "hard" as well as "soft" coordinating atoms (i.e., N, S). The coordination attitude of 3 was then tested in the(More)
In this work a procedure for the optimization of the bit loading in a PLC system implementing OFDM modulation is presented. The optimization strategy aims to find the best compromise between Signal Power, Bit Rate (BR), Bit Error Rate (BER) and Peak-to-Average Power Ratio (PAPR). The problem is approached from two points of view. First, the conflicting(More)
A number of diazenedicarboxylates have been studied by multinuclear magnetic resonance ((17)O, (15)N, (13)C) and compared with analogous fumaric, maleic, and phthalic diesters; the investigation of selected compounds of these classes was complemented by density functional theory (DFT) calculations using a polarizable continuum model (PCM) for the solvent,(More)
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