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A series of simple fluorescent chemosensors were synthesized and their binding constants for electron-deficient aromatic explosives were compared in semi-aqueous media. Among these molecules, the best fluorescent chemosensor 4 can detect <2 ppb of TNT in a semi-aqueous solution, employing hydrophobic interactions and its conformational strains. Furthermore, this dipyrenyl chemosensor can be easily...
Nanoelectromechanical resonators are promising as filters and sensors due to high Q factor. However, effects of nonlinearity become more prominent as the resonator dimension is reduced. In this work, room-temperature experimental data of Al/SiC nanoresonators obtained using magnetomotive transduction is analyzed with a dynamic model including nonlinear spring and damping effects. Transition between...
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