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1,822 Newest Publications about the topic solution

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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, ...

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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 ...

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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 ...

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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 ...

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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 ...

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“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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Sensors, Vol. 14, Pages 19507-19516: Multifrequency Excitation Method for Rapid and Accurate Dynamic Test of Micromachined Gyroscope Chips

17-10-2014 | Deng, Yan ; Zhou, Bin ; Xing, Chao ; Zhang, Rong, Sensors, 2014

A novel multifrequency excitation (MFE) method is proposed to realize rapid and accurate dynamic testing of micromachined gyroscope chips. Compared with the traditional sweep-frequency excitation (SFE) method, the computational time for testing one chip under four modes at a 1-Hz frequency ...

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Electrochemical Behavior of Nicotine at Unmodified Carbon Paste Electrode and Its Determination in a Set of Refilling Liquids for Electronic Cigarettes

16-10-2014 | Matěj Stočes, Ivan Švancara, Electroanalysis, 2014

Abstract In this manuscript, a carbon paste electrode (CPE) from traditional components has been used to study the electrochemical oxidation of nicotine and its feasibility to be performed at unmodified and otherwise untreated carbon paste in an effort to propose a simple voltammetric method ...

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Oligopeptide-heavy metal interaction monitoring by hybrid gold nanoparticles based assay.

15-10-2014 | jane politi; JOLANDA SPADAVECCHIA; Mario Iodice; Luca De Stefano, Analyst, 2014

Phytochelatins are small peptides that can be found in several organisms, which uses these oligopeptides to handle heavy metal elements. Here, we report a method of monitoring interactions between lead (II) ions in aqueous solution and Phytochelatin 6 oligopeptides bioconjugated onto pegylated ...

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Glyconanoparticles for colorimetric bioassays

15-10-2014 | María J. Marín; Claire L. Schofield; Robert A. Field; David A. Russell, Analyst, 2014

Carbohydrate molecules are involved in many of the cellular processes that are important for life. By combining the specific analyte targeting of carbohydrates with the multivalent structure and change of solution colour as a consequence of plasmonic interactions with the aggregation of metal ...

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