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2,106 Newest Publications about the topic solution

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Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine

23-Jul-2015 | Pablo R. Dalmasso, María L. Pedano, Gustavo A. Rivas, Electroanalysis, 2015

Abstract We report the sensitive and selective quantification of Cu(II) at glassy carbon electrodes (GCE) modified with multiwall carbon nanotubes (MWCNT) dispersed in polyhistidine (Polyhis), (GCE/MWCNTPolyhis) based on the complexation of Cu(II) by the histidine residues and further ...

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Magnetic molecularly imprinted polymers synthesized by surface‐initiated reversible addition‐fragmentation chain transfer polymerization for the enrichment and determination of synthetic estrogens in aqueous solution

23-Jul-2015 | Fangfang Chen, Jingjing Zhang, Minjun Wang, Jie Kong, Journal of Separation Science, 2015

J. Sep. Sci. 2015, 38, 2670–2676 DOI: 10.1002/jssc.201500407 The novel magnetic molecularly imprinted polymers for enrichment of synthetic estrogens were synthesized via surface‐initiated reversible addition addition‐fragmentation chain transfer polymerization using diethylstilbestrol ...

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Sensors, Vol. 15, Pages 17977-17989: Zn(II)-Coordinated Quantum Dot-FRET Nanosensors for the Detection of Protein Kinase Activity

23-Jul-2015 | Lim, Butaek ; Park, Ji-In ; Lee, Kyung Jin; Lee, Jin-Won ; Kim, Tae-Wuk ; Kim, Young-Pil, Sensors, 2015

We report a simple detection of protein kinase activity using Zn(II)-mediated fluorescent resonance energy transfer (FRET) between quantum dots (QDs) and dye-tethered peptides. With neither complex chemical ligands nor surface modification of QDs, Zn(II) was the only metal ion that enabled the ...

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Sensors, Vol. 15, Pages 17926-17943: Development of a Plug-and-Play Monitoring System for Cabled Observatories in the East China Sea

23-Jul-2015 | Yu, Yang ; Xu, Huiping ; Xu, Changwei, Sensors, 2015

Seafloor observatories enable long term, continuous and multidisciplinary observations, promising major breakthroughs in marine environment research. The effort to remotely control in situ multidisciplinary equipment performing individual and cooperative tasks is both a challenge and a guarantee ...

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Ratiometric fluorescent detection of silver ions using thioflavin T-based organic/inorganic hybrid supraparticles

22-Jul-2015 | Yan-Yun Li; Min Zhang; Ling-Fei Lu; Anwei Zhu; Fei Xia; Tianshu Zhou; Guoyue Shi, Analyst, 2015

In this work, we present a new type of functional organic/inorganic hybrid supraparticles that spontaneously assemble from silver ions (Ag+), iodide ions (I-) and thioflavin T (ThT) under an aqueous solution condition. ThT alone in aquous solution was weakly fluorescent with emission band at 494 ...

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Sensors, Vol. 15, Pages 17767-17785: Discrimination of Rice with Different Pretreatment Methods by Using a Voltammetric Electronic Tongue

22-Jul-2015 | Wang, Li ; Niu, Qunfeng ; Hui, Yanbo ; Jin, Huali, Sensors, 2015

In this study, an application of a voltammetric electronic tongue for discrimination and prediction of different varieties of rice was investigated. Different pretreatment methods were selected, which were subsequently used for the discrimination of different varieties of rice and prediction of ...

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Sensors, Vol. 15, Pages 17808-17826: Real-Time PPP Based on the Coupling Estimation of Clock Bias and Orbit Error with Broadcast Ephemeris

22-Jul-2015 | Pan, Shuguo ; Chen, Weirong ; Jin, Xiaodong ; Shi, Xiaofei ; He, Fan, Sensors, 2015

Satellite orbit error and clock bias are the keys to precise point positioning (PPP). The traditional PPP algorithm requires precise satellite products based on worldwide permanent reference stations. Such an algorithm requires considerable work and hardly achieves real-time performance. However, ...

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Solution or Gas Phase? Oxidation and Radical Formation in Electrospray Ionization Mass Spectrometry (ESI MS)

21-Jul-2015 | Imran Iftikhar, Anna Brajter‐Toth, Electroanalysis, 2015

Abstract The relationship between one‐electron (e−) oxidation processes and the formation of radical cations of endogenous and exogenous compounds in vivo is of considerable interest. This paper reports on the experiments that allow detection of ion signals that are consistent with the ...

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Fluorescence sensing ADP over ATP and PPi in 100% aqueous solution

21-Jul-2015 | Feihu Huang; Gefei Hao; Fengxu Wu; Guoqiang Feng, Analyst, 2015

An anthracene-bridged dinuclear zinc(II)-dipicolylamine complex was found to show high selectivity for ADP with significant fluorescence enhancement over ATP, PPi and other common analytes in 100% aqueous solution. This complex can be used for fluorescent detection of ADP in living cells and for ...

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A capillary electrophoresis method for speciation of iron (II) and iron (III) in pharmaceuticals by dual pre‐capillary complexation

20-Jul-2015 | Roberto Gotti, Jessica Fiori, Lino Liverani, Franco Spelta, ELECTROPHORESIS, 2015

Pharmaceutical iron sucrose is an iron (III) replacement for the treatment of iron deficiency anemia in patients with chronic kidney disease. The drug product (injection) is a colloidal solution of ferric hydroxide in complex with sucrose, containing 20 mg/mL elemental iron; according to USP, ...

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