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Make PyrophosphateVisible: The First Precipitable and Real-time Fluorescent Sensor for Pyrophosphate in Aqueous Solution

28-10-2014 | Xiao-Qi Yu; Shu-Yan Jiao; Kun Li; Xin Wang; Zeng Huang; Lin Pu, Analyst, 2014

An in situ generated BINOL-DPA-Zn(II) complex was presented as a chemo-sensing ensemble for the recognition of phosphate-based molecules. The ensemble showed high sensitivity and selectivity for pyrophosphates (PPi), it could be successfully applied in imaging PPi in living cells. Notably, ...


Supramolecular interaction of labetalol with cucurbit[7]uril for its sensitive fluorescence detection

28-10-2014 | Huangxian Ju; Chang-Feng Li; Jianxia Feng, Analyst, 2014

This work studied the host-guest interaction between cucurbit[7]uril (CB[7]) and labetalol in acidic aqueous solution and proposed a simple competitive method for fluorescence detection of labetalol. The binding constant of labetalol-CB[7] was (1.83±0.22)×106 M−1, which was much greater than ...


Turbulent heating in galaxy clusters brightest in X-rays

26-10-2014 | I. Zhuravleva; E. Churazov; A. A. Schekochihin; S. W. Allen; P. Arévalo; A. C. Fabian; W. R. Forman; J. S. Sanders; ..., Nature, 2014

Nature advance online publication 26 October 2014. doi:10.1038/nature13830 Authors: I. Zhuravleva, E. Churazov, A. A. Schekochihin, S. W. Allen, P. Arévalo, A. C. Fabian, W. R. Forman, J. S. Sanders, A. Simionescu, R. Sunyaev, A. Vikhlinin & N. Werner The hot (107 to 108kelvin), ...


Thymol treatment of bacteria prior to matrix‐assisted laser desorption/ionization time‐of‐flight mass spectrometric analysis aids in identifying certain bacteria at the subspecies level

24-10-2014 | Ricky D. Holland, Jon G. Wilkes, Willie M. Cooper, Pierre Alusta, Anna Williams, Bruce Pearce, Michael Beaudoin, Dan ..., Rapid Communications in Mass Spectrometry, 2014

RATIONALE The identification of bacteria based on mass spectra produced by matrix‐assisted laser desorption/ionization time‐of‐flight mass spectrometry (MALDI‐TOFMS) has become routine since its introduction in 1996. The major drawback is that bacterial patterns produced by MALDI are dependent ...


Sensors, Vol. 14, Pages 20025-20040: Boresight Calibration of Construction Misalignments for 3D Scanners Built with a 2D Laser Range finder Rotating on Its Optical Center

24-10-2014 | Morales, Jesús ; Martínez, Jorge L.; Mandow, Anthony ; Reina, Antonio J.; Pequeño-Boter, Alejandro ; García-Cerezo, ..., Sensors, 2014

Many applications, like mobile robotics, can profit from acquiring dense, wide-ranging and accurate 3D laser data. Off-the-shelf 2D scanners are commonly customized with an extra rotation as a low-cost, lightweight and low-power-demanding solution. Moreover, aligning the extra rotation axis with ...


Cr(VI) Reduction and Cr(III) Immobilization by Acinetobacter sp. HK-1 with the Assistance of a Novel Quinone/Graphene Oxide Composite

23-10-2014 | Hai-Kun Zhang; Hong Lu; Jing Wang; Ji-Ti Zhou; Meng Sui, Environmental Science & Technology, 2014

Cr(VI) biotreatment has attracted a substantial amount of interest due to its cost effectiveness and environmental friendliness. However, the slow Cr(VI) bioreduction rate and the formed organo-Cr(III) in solution are bottlenecks for biotechnology application. In this study, a novel strain, ...


A Novel Anaerobic Electrochemical Membrane Bioreactor (AnEMBR) with Conductive Hollow-fiber Membrane for Treatment of Low-Organic Strength Solutions

22-10-2014 | Krishna P. Katuri; Craig M. Werner; Rodrigo J. Jimenez-Sandoval; Wei Chen; Sungil Jeon; Bruce E. Logan; Zhiping Lai; ..., Environmental Science & Technology, 2014

A new anaerobic treatment system that combined a microbial electrolysis cell (MEC) with membrane filtration using electrically conductive, porous, nickel-based hollow-fiber membranes (Ni-HFMs) was developed to treat low organic strength solution and recover energy in the form of biogas. This new ...


Characterizing and predicting the magnetic environment leading to solar eruptions

22-10-2014 | Tahar Amari; Aurélien Canou; Jean-Jacques Aly, Nature, 2014

Characterizing and predicting the magnetic environment leading to solar eruptions Nature 514, 7523 (2014). doi:10.1038/nature13815 Authors: Tahar Amari, Aurélien Canou & Jean-Jacques Aly The physical mechanism responsible for ...


Can Stable Isotopes and Radiocarbon Dating Provide a Forensic Solution for Curbing Illegal Harvesting of Threatened Cycads?

21-10-2014 | Kirsten Retief, Adam G. West, Michèle F. Pfab, Journal of Forensic Sciences, 2014

Abstract Cycads in South Africa are facing an extinction crisis due to the illegal extraction of plants from the wild. Proving wild origin of suspect ex situ cycads to the satisfaction of a court of law is difficult, limiting law enforcement efforts. We investigated the feasibility of using ...


“Ready-to-Use” Hollow Nanofiber Membrane-Based Glucose Testing Strips

21-10-2014 | Xiaoyuan Ji; Zhiguo Su; Ping Wang; Guanghui Ma; Songping Zhang, Analyst, 2014

A novel “ready-to-use” glucose test strip based on polyurethane hollow nanofibers membrane was fabricated through facile co-axial electrospinning. By involving glucose oxidase and horseradish peroxidase in the core-phase solution, and chromogenic agent either in core-solution (in case of ...


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