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A naphthalimide-based fluorescent probe for highly selective detection of histidine in aqueous solution and its application in in vivo imaging

27-Feb-2015 | Hio-Ieng Un; Shuai Wu; Chang-Bo Huang; Zheng Xu; Lin Xu, Chemical Communication, 2015

A naphthalimide-based fluorescent ensemble probe NPC for selectively detecting His in aqueous solution (10 mM HEPES, pH 7.4) has been reported. Moreover, the application of NPC in in vivo (both in Hela cells and in C. elegans) fluorescence imaging was carried out as well.

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Colour-tunable fluorescence of single molecules based on the vibration induced emission of phenazine

26-Feb-2015 | Wei Huang; Lu Sun; Zhiwen Zheng; Jianhua Su; He Tian, Chemical Communication, 2015

Due to the vibration of the phenazine unit, compound S1 exhibits dual fluorescence in solution but one peak in the solid state. Based on this novel phenomenon and combined with the intramolecular energy transfer (IET) effect, a colour-tunable luminescence, even near white emission from a single ...

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A comparative analysis of different measurement techniques to monitor metal and organic contamination in silicon device processing

25-Feb-2015 | M. L. Polignano, D. Codegoni, S. Grasso, I. Mica, G. Borionetti, A. Nutsch, physica status solidi (a), 2015

A few key techniques for the analysis of contamination in silicon are compared for their ability to detect different impurities. Both metal and organic contamination is included in this study. In addition, common contaminants and elements recently introduced in the fabrication process are ...

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A New Selective Chromogenic and Turn-On Fluorogenic Probe for Copper (II) in Solution and Vero Cells: Recognition of Sulphide by [CuL]

25-Feb-2015 | Ajit Kumar Mahapatra; Sanchita Mondal; Saikat Kumar Manna; Kalipada Maiti; Rajkishor Maji; Md. Raihan Kumar Uddin; S ..., Dalton Transactions, 2015

A new coumarin-appended thioimidazole-linked imine conjugate, viz. L has been synthesized and characterized. The L has been found to recognize Cu2+ selectively among a wide range of biologically relevant metal ions. The chemosensing behavior of the L has been demonstrated through fluorescence, ...

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2-(2-Hydroxyphenyl)benzimidazole-Based Four-Coordinate Boron-Containing Materials with Highly Efficient Deep-Blue Photoluminescence and Electroluminescence

25-Feb-2015 | Zhenyu Zhang; Houyu Zhang; Chuanjun Jiao; Kaiqi Ye; Hongyu Zhang; Jingying Zhang; Yue Wang, Inorganic Chemistry, 2015

Two novel four-coordinate boron-containing emitters 1 and 2 with deep-blue emissions were synthesized by refluxing a 2-(2-hydroxyphenyl)benzimidazole ligand with triphenylborane or bromodibenzoborole. The boron chelation produced a new π-conjugated skeleton, which rendered the synthesized boron ...

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Confocal micro‐XRF analysis of light elements with Rh X‐ray tube and its application for painted steel sheet

24-Feb-2015 | Ryota Yagi, Kouichi Tsuji, X-Ray Spectrometry, 2015

A confocal micro‐X‐ray fluorescence (XRF) instrument with a vacuum chamber was applied for analysis of light elements for painted steel sheet. Because this instrument is equipped with a Rh‐anode X‐ray tube, light elements are excited more effectively by the Rh‐L lines. However, it was difficult ...

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Photophysical and Photochemical Processes of Excited Singlet and Triplet [3n]Cyclophanes (n = 2–6) Studied by Emission Measurements and Steady-State and Laser Flash Photolyses

23-Feb-2015 | Minoru Yamaji; Hideki Okamoto; Yuhko Hakoshima; Teruo Shinmyozu, Journal of Physical Chemistry A, 2015

Photophysical and photochemical features of [3n]cyclophanes (3nCPs) (n = 2–6) in solution were investigated by emission and transient absorption measurements. The studied 3nCPs show excimer fluorescence without locally excited fluorescence whereas some of them emit excimer phosphorescence in ...

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Bis-Schiff base as a donor-acceptor fluorescent probe: Recognition of Al3+ ions in near 100% aqueous solution

22-Feb-2015 | Author(s): Jing-can Qin , Zheng-yin Yang, Journal of Photochemistry and Photobiology A: Chemistry, 2015

Publication date: Available online 17 February 2015 Source:Journal of Photochemistry and Photobiology A: Chemistry Author(s): Jing-can Qin , Zheng-yin Yang In this paper, a novel bis-Schiff base fluorescent probe (HL) for Al3+ has been designed and synthesized on the basis of the ...

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Single-Vesicle Detection and Analysis of Peptide-Induced Membrane Permeabilization

20-Feb-2015 | Kasper Kristensen; Nicky Ehrlich; Jonas R. Henriksen; Thomas L. Andresen, Langmuir, 2015

The capability of membrane-active peptides to disrupt phospholipid membranes is often studied by investigating peptide-induced leakage of quenched fluorescent molecules from large unilamellar lipid vesicles. In this article, we explore two fluorescence microscopy-based single-vesicle detection ...

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Self‐Assembled Discrete Molecules for Sensing Nitroaromatics

18-Feb-2015 | Sankarasekaran Shanmugaraju, Partha Sarathi Mukherjee, Chemistry - A European Journal, 2015

Abstract Efficient sensing of trace amount nitroaromatic (NAC) explosives has become a major research focus in recent time due to concerns over national security as well as their role as environment pollutants. NO2‐containing electron‐deficient aromatic compounds, such as picric acid (PA), ...

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