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Anionic conjugated polymer as a multi-action sensor for the sensitive detection of Cu2+, PPi, real-time ALP assaying and cell imaging

21-May-2015 | Akhtar Hussain Malik; Sameer Hussain; Arvin Sain Tanwar; Sourav Layek; Vishal Trivedi; Parameswar K Iyer, Analyst, 2015

A Cu2+ ensemble polyfluorene derivative, poly[5,5'-(((9H-fluorene-9,9-diyl)bis(hexane-6,1-diyl))bis(oxy))diisophthalate] sodium salt (PFT) displays unprecedented selectivity for PPi (LOD=2.26 ppb) in aqueous solution as well as in random urine samples at physiological pH viz-a-viz monitoring ALP ...


Enhanced electrochromic switching speed and electrochemical stability of conducting polymer film on an ionic liquid functionalized ITO electrode

21-May-2015 | Mi Ouyang; Yuan Yang; Xiaojing Lv; Yangang Han; Senbiao Huang; Yuyu Dai; Chang Su; Yaokang Lv; Masao Sumita; Cheng Zhang, New Journal of Chemistry, 2015

The 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM]BF4) functionalized ITO substrate was successfully prepared via a solution immersion method and then incorporated with poly(4,4′,4′′-tris[4-(2-bithienyl)phenyl]amine) (PTBTPA) to form the PTBTPA–[BMIM]BF4 film by electrochemical ...


A general method for synthesizing enzyme–polymer conjugates in reverse emulsions using Pluronic as a reactive surfactant

21-May-2015 | Xiaoling Wu; Jun Ge; Jingying Zhu; Yifei Zhang; You Yong; Zheng Liu, Chemical Communication, 2015

Using aldehyde-functionalized Pluronic as the reactive surfactant, enzyme–Pluronic conjugates with sizes ranging from nanometers to micrometers were synthesized in reverse emulsions. Compared with the direct conjugation in aqueous solution, this method gave an increased conjugation efficiency and ...


Nanopore analysis of amyloid fibrils formed by lysozyme aggregation

21-May-2015 | Nikolay Martyushenko; Nicholas A. W. Bell; Robin Lamboll; Ulrich Keyser, Analyst, 2015

The measurement of single particle size distributions of amyloid fibrils is crucial for determining mechanisms of growth and toxicity. Nanopore sensing is an attractive solution for this problem since it gives information on aggregates’ shapes with relatively high throughput for a single particle ...


Two-dimensional structure Au nanosheets are super active for the catalytic reduction of 4-nitrophenol

21-May-2015 | Yan Zhang; Zhimin Cui; Lidong Li; Lin Guo; Shihe Yang, Physical Chemistry Chemical Physics, 2015

Two-dimensional structure Au nanosheets with a polygon morphology and controlled thicknesses of [[similar]] 15 nm, [[similar]] 35 nm, and [[similar]] 50 nm were successfully synthesized by a one-step solution reduction method. Scanning and transmission electron microscopy (SEM and TEM), ...


Formation of Rh frame nanorods using Au nanorods as sacrificial template

20-May-2015 | Masaharu Tsuji; Yukinori Nakashima; Atsuhiko Yajima; Masashi Hattori, CrystEngComm, 2015

This report describes a new formation process of Rh frame structures using Au nanorods (NRs) as sacrificial template. Initially, Au@Rh NRs were prepared by reducing Rh3+ in the presence of Au NRs, ascorbic acid, and cetyl trimethyl ammonium bromide (CTAB) in an aqueous solution. After formation ...


Intramolecular Hydrogen Bond Involving Organic Fluorine in the Derivatives of Hydrazides: An NMR Investigation substantiated by DFT based theoretical calculations

20-May-2015 | Sandeep K Mishra; Suryaprakash Nagaraja Rao, Physical Chemistry Chemical Physics, 2015

The rare examples of intramolecular Hydrogen bonds (HB) of the type the N−H•••F−C, detected in a low polarity solvent in the derivatives of hydrazides, by utilizing one and two-dimensional solution state multinuclear NMR techniques, are reported. The observation of through-space couplings, such ...


Structural rearrangement in the aqueous solution of surface active ionic liquid 1-butyl-3-methylimidazolium bis(2-ethylhexyl) sulfosuccinate

20-May-2015 | Tianxiang Yin; Jiequn Wu; Shuzhen Wang; Weiguo Shen, Soft Matter, 2015

The aggregation behaviors of surface active ionic liquid 1-butyl-3-methylimidazolium bis(2-ethylhexyl) sulfosuccinate in aqueous solutions were investigated by conductometry, densimetry, fluorimetry, 1H nuclear magnetic resonance (1H NMR) spectroscopy, dynamic light scattering (DLS), and ...


Liquid-phase step-by-step growth of an iron cyanide coordination framework on LiCoO2 particle surfaces

20-May-2015 | Rie Makiura; Shingo Teragawa; Kohei Tsuchiyama; Akitoshi Hayashi; Kiyoharu Tadanaga; Masahiro Tatsumisago, Dalton Transactions, 2015

Surface modification of inorganic objects with metal-organic frameworks (MOFs) –organic-inorganic hybrid framework materials with infinite networks– opens wide windows for potential applications. In order to derive a target property, the key is the ability to fine tune the degree of modification. ...


Fabrication of a novel graphene oxide/[small beta]-FeOOH composite and its adsorption behavior for copper ions from aqueous solution

20-May-2015 | Tingshun Jiang; Lu Yan; Lei Zhang; Yingying Li; Qian Zhao; Hengbo Yin, Dalton Transactions, 2015

A graphene oxide (GO)/β-FeOOH composite was prepared by the liquid insert method and was characterized by XRD, FT-IR, SEM and TEM. The adsorption capacity of the composite was evaluated by the removal of copper ions (Cu2+) from aqueous solution. The effect of initial pH, contact time and ...


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