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1. A cationic tetrahedral Zn(ii) cluster based on a new salicylamide imine multidentate ligand: synthesis, structure and fluorescence sensing study (Electronic supplementary information (ESI) available: Crystallographic data and details of refinements for Zn4L3 (Table S1), the selected bond lengths and angles for Zn4L3 (Table S2). 1H NMR spectra and the assignment of H2L in d6-DMSO (Fig. S1). Optimized molecular geometry of H2L and its contour plots of the frontier orbitals (Fig. S2). The high resolution ESI mass spectrum of Zn4L3 in mixed HEPES buffer (pH = 7.4) + DMSO (V : V = 1 : 9) solution (Fig. S3). The high resolution ESI mass spectrum of Zn4L3 in HEPES buffer (pH = 7.4) solution (Fig. S4). 1H NMR spectra of Zn4L3 in d6-DMSO + D2O (V : V = 9 : 1) (Fig. S5). Comparing the simulated PXRD (black line) and experimental patterns of Zn4L3 in bulk samples and that soaked in solution (Fig. S6). Fluorescence emission changes of H2L (50 μM) upon the addition of different cations in mixed HEPES buffer (pH = 7.4) + DMSO (V : V = 1 : 9) solution (Fig. S7a). Fluorescence emission changes of H2L (50 μM) in mixed HEPES buffer (pH = 7.4) + DMSO (V : V = 1 : 9) solution upon the addition of Zn2+ (inset: the visual fluorescence response of H2L upon the addition of Zn2+ in mixed HEPES buffer (pH = 7) + DMSO (V : V = 1 : 9) solution under a UV light at 365 nm) (Fig. S7b). The Job curves of Zn4L3 in HEPES buffer (pH = 7.4) + DMSO (V : V = 1 : 9) solution (Fig. S7c). Fluorescence emission intensity of Zn4L3 at 472 nm in the absence/presence of different cations in HEPES buffer (pH = 7.4) + DMSO (V : V = 1 : 9) solution ((Fig. S7d). Contour plots of the frontier orbitals of Zn4L3 (Fig. S8). The simulated fluorescence spectrum of H2L and Zn4L3 based on TD-DFT calculations (Fig. S9). The linear concentration range of Zn4L3 (50.0 μM) with H2PO4– in mixed HEPES buffer (pH = 7.4) + DMSO (V : V = 1 : 9) solution (λem = 472 nm) (Fig. S10), relative emission intensity at 472 nm upon adding Zn2+/H2PO4– in mixed HEPES buffer (pH = 7.4) + DMSO (V : V = 1 : 9) solution (Fig. S11), emission spectra of Zn4L3 upon the addition of 1 equiv. NaH2PO4/Na2HPO4/Na3PO4 in mixed HEPES buffer (pH = 7.4) + DMSO (V : V = 1 : 9) solution (Fig. S12), UV-Vis spectra of Zn4L3 upon the addition of H2PO4– in mixed HEPES buffer (pH = 7.4) + DMSO (V : V = 1 : 9) solution (Fig. S13). CCDC 1881297. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c9dt01376h)
Dalton Transactions, ISSN 1477-9226, 01/2019, Volume 48, Issue 32, pp. 12326 - 12335
A monocationic ZnII tetrahedral cluster, [Zn4L3(μ3-OH)]·NO3·1.25H2O (Zn4L3) based on a new salicylamide imine ligand H2L, H2L =... 
Angles (geometry) | Phosphates | High resolution | Orbitals | Shape | Nuclear magnetic resonance--NMR | Fluorescence | Spectra | X ray analysis | Crystallography | Sodium hydrogen phosphate | Single crystals | Ultraviolet radiation | Anions | Sodium phosphate | Buffer solutions | Emission spectra | Contours | Clusters | Ligands | Cations | Detection | Chelates
Journal Article
Chemical Physics, ISSN 0301-0104, 04/2017, Volume 487, pp. 30 - 36
To study the structural fluctuation of supercritical solutions, we introduced three fluctuational parameters, a scattering factor, a density factor and a... 
Bhatia–Thornton theory | Supercritical solutions | Fluctuation | SAXS | DENSITY FLUCTUATION | MOLECULAR-DYNAMICS | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | CHEMISTRY, PHYSICAL | X-RAY-SCATTERING | IONIC LIQUID | CRITICAL-POINT | SAMPLE HOLDER | Bhatia-Thornton theory | WATER MIXTURES | PVTX MEASUREMENTS | CARBON-DIOXIDE | ANGLE NEUTRON-SCATTERING
Journal Article
International Journal of Hydrogen Energy, ISSN 0360-3199, 09/2014, Volume 39, Issue 27, pp. 14935 - 14941
The supported amorphous alloy catalysts Ni–Co–P/γ-Al O were synthesized by electroless plating for hydrogen generation from catalytic hydrolysis of sodium... 
Hydrolysis | Hydrogen generation | Sodium borohydride | Electroless plating | STORAGE | ELECTROCHEMISTRY | NABH4 HYDROLYSIS | NANOPARTICLES | FILM CATALYSTS | ENERGY & FUELS | B CATALYST | CHEMISTRY, PHYSICAL | Metallic glasses | Adsorption | Catalysts | Chemical tests and reagents | Hydrogen | Activation energy | Cobalt | Aluminum oxide
Journal Article
Journal of Physical Chemistry B, ISSN 1520-6106, 07/2018, Volume 122, Issue 29, pp. 7286 - 7294
The interplay of degree of methylesterification (DM), pH, temperature, and concentration on the macromolecular interactions of pectin in solution has been... 
SALT-SOLUTIONS | COUNTERION CONDENSATION | POLYELECTROLYTE SOLUTIONS | ION DISTRIBUTION | CHEMISTRY, PHYSICAL | X-RAY-SCATTERING | LOW-METHOXYL PECTIN | MOLECULAR-DYNAMICS SIMULATIONS | COLLIGATIVE PROPERTIES | ANGLE NEUTRON-SCATTERING | AQUEOUS-SOLUTION
Journal Article
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 10/2012, Volume 134, Issue 41, pp. 17253 - 17261
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 09/2018, Volume 57, Issue 39, pp. 12956 - 12960
We report on the first unambiguous detection of the elusive [HSi 9 ] 3− anion in solutions of liquid ammonia by various 29 Si and 1 H NMR experiments including... 
X-ray diffraction | silicides | Si NMR spectroscopy | CEST | Zintl anions | Silicides | Nuclear magnetic resonance spectroscopy | Clusters | Organic chemistry | Ammonia | Liquid ammonia | Anions | Nuclear magnetic resonance--NMR
Journal Article
Langmuir, ISSN 0743-7463, 04/2008, Volume 24, Issue 8, pp. 3709 - 3717
Ultracentrifugation has been used to produce asphaltene fractions of reduced polydispersity. The structure of these asphaltene fraction solutions has been... 
SUSPENSIONS | NEUTRON-SCATTERING | TOLUENE | CHEMISTRY, PHYSICAL | X-RAY-SCATTERING | RHEOLOGY | DIFFRACTION | VISCOSITY | POLYDISPERSITY ANALYSIS | AGGREGATION | HEAVY OILS
Journal Article