Articles written in Journal of Chemical Sciences
Volume 130 Issue 7 July 2018 Article ID 0091
Tris(2-aminoethyl)amine (tren)-based bulky adamantane group-substituted tris-urea (L) has been developed as the potential tripodal receptor exhibiting strong binding affinities towards small spherical fluoride anion as well as large tetrahedral sulphate anion in its neutral and protonated form, respectively. Structural elucidation reveals that the divalent sulphate ion is fully engulfed inside the complementary space created by two face-to-face oriented symmetry-independent protonated receptors, whereas the smaller fluoride ion is encapsulated as fluoride-water cluster (F--H2O) assemblage within the neutral unimolecular capsular assembly of receptor L.
Volume 131 Issue 5 May 2019 Article ID 0036
Judiciously designed cyanine based fluorogenic probe (L) can exhibit interesting solvent polarity induced isomerization. The probe displayed a highly selective TURN-ON fluorescence response towards hypochlorite among various reactive oxygen species (ROS) and analytes in a mixed aqueous medium. Thesensing process was attributed to the formation of a probe-OCl adduct which results in restricting the donor acceptor extended conjugation. The detection limit was found to be as low as 3 μM. The proposed sensing mechanism is supported by mass spectrometric analysis and HPLC study
Volume 132, 2020
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