科訊成果顏振寧科訓(xùn)

1、Densities, electrical conductances, and spectroscopic properties of glycyl dipeptide + ionic liquid (C12mimBr) + water mixtures at different FluidPhaseEquilibria 2014，367:Densities, conductivity, uorescence and UVvis absorption spectroscopy of glycyl dipeptide + ionic liquid (1-dodecyl-3-methylimida

2、zolium bromide (C12mimBr) + water mixtures have been measured at different temperatures. Fromdensity data, the standard partial molar volume (Vo ), standard partial molar of transfer for three glycyl dipeptides from water to aqueous C12mimBr solutions (tVo), partial molar expansibility (Eo) and Hepl

3、ers constant have been calculated.Through the electrical conductivity measurements, the critical micellar concentration (ccmc) and a series of thermodynamic parameters of micellization of C12mimBr in aqueous glycyl dipeptide solutions are evaluated. Effects of temperature and hydrocarbon chain lengt

4、h of the glycyl dipeptides on the volumetric properties of dipeptides and critical micelle concentration (ccmc) of C12mimBr were examined. The pyrene fluorescence spectra were used to study the change of micropolarity produced by the interactions of C12mimBr with glycyl dipeptides, and the aggregati

5、on behaviour of C12mimBr. From the results of UV-vis absorption spectra, the binding constant between dipeptide and C12mimBr above the ccmc was * 耿瑞，2011級本科生，學(xué)號20112310506，在本InteractionsofdipeptideswithTritonX-100inaqueoussolution:Avolumetric and spectroscopic studyJ.Chem.ThermodynamicsThe interacti

6、ons of dipeptides with Triton X-100 in aqueous solution have been investigated by means of density, fluorescence spectroscopy and spectroscopy. The standard partial molar volume (Vo ), standard partial volume of transferfor dipeptide from water to aqueous Triton X-100 solution (tVo) and partial mola

7、r expansibility (Eo ) have been calculated from density data.Fluorescence spectroscopy was used to estimate the critical micellar concentration (ccmc) and micelle aggregation number of Triton X-100 in aqueous dipeptide solutions. Effects of temperature and hydrocarbon chain length of dipeptides on t

8、he volumetric propertiesofdipeptideand critical micelle concentration(ccmc) ofTriton X-100 were examined. The pyrene fluorescence spectra were also used to study the change of micropolarity produced by the interactions of Triton X-100 with dipeptides. From the results of UV-vis absorption spectra, t

9、he binding constant between dipeptide and Triton X-100 above the ccmc was determined. The results have been interpreted in terms of solutesolvent interactions and structural changes in the mixed solutions.* 潘琪，2011級本科生，學(xué)號20112310212，在本Preparation of a new aluminum (III) selective electrode based on

10、a hydrazone-containing benzimidazole derivative as a neutral carrierJournalof MolecularLiquids2014，190：185A new aluminium (III) polymeric membrane electrode containing (E)-N-(4-(dimetlylamino)benzylidene)-1H-benzodmidazobe-2-hydrazide (L) as a carrier has been prepared. The influence of membrane ing

11、redients including ionophore, PVC, plasticizers and anionic excluders (NaTPB and KTpClPB) on the electrode response has been investigated. The best performance was obtained with a membrane composition of carrier L: DBP: PVC ratio of 1.00: 65.99: 33.01 (%, w/w).Thesensor exhibited a Nernstian response for Al3+ion rangingfrom1.0107 to1.0101Mwithadetectionlimit of5.6 108Mandaslopeof 20.7mV/decade. It showedarelativelyfast responsetime(10s), suitablereproducibilityand stability,and good selectivity towards Al3+ ion. The prepared electrod