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38,803 Newest Publications about the topic concentration

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A Self-Assembled Peroxidase from 5ʹ-GMP and Heme

24-Jan-2018 | Jeffery Davis; Deiaa Harraz, Chemical Communication, 2018

Guanosine 5ʹ-monophosphate (5ʹ-GMP) and Fe (III)-heme form a supramolecular catalyst with peroxidase activity. Catalysis, which depends on self-assembly of 5ʹ-GMP into a G-quadruplex that binds hemin, can be modulated by nucleotide concentration, temperature and the identity of the nucleotide’s ...

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Mitochondria-targeted ratiometric fluorescent detection of hydrazine with a fast response time

23-Jan-2018 | Yanan Ban; Ruihui Wang; Yang Li; Zhen An; Mingming Yu; Chenjie Fang; Liuhe Wei; Zhanxian Li, New Journal of Chemistry, 2018

A ratiometric fluorescent probe 1 was synthesized, which exhibited high sensitivity and excellent selectivity for hydrazine recognition. Probe 1 can quantitatively detect hydrazine in the concentration range from 30 to 180 μM with a LOD of 2.1 μM. Furthermore, it displayed excellent selectivity, ...

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Towards understanding the behavior of polyelectrolyte–surfactant mixtures at the water/vapor interface closer to technologically-relevant conditions

23-Jan-2018 | Sara Llamas; Laura Fernández-Peña; Andrew Akanno; Eduardo Guzmán; Víctor Ortega; Francisco Orteg ..., Physical Chemistry Chemical Physics, 2018

Polyelectrolyte–surfactant mixtures and their interactions with fluid interfaces are an important research field due to their use in technological applications. Most of the existing knowledge on these systems is based on models in which the polyelectrolyte concentration is around 50 times lower ...

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Effects of catalysts on polymerisation and microstructure of sol‐gel derived bioglasses

20-Jan-2018 | Basam A. E. Ben‐Arfa, Hugo R. Fernandes, Isabel M. Miranda Salvado, José M. F. Ferreira, Robert C. Pullar, Journal of the American Ceramic Society, 2018

Abstract This work investigates the effects of the type and concentration of acid catalysts on the microstructural features of silica‐rich bioactive glasses (75Si‐16Ca‐5Na‐4P, in mol%) synthesised from acetate and nitrate precursor salts, using an innovative rapid sol‐gel method, followed by ...

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Sensors, Vol. 18, Pages 308: Development of a Label-Free Immunosensor for Clusterin Detection as an Alzheimer’s Biomarker

20-Jan-2018 | Islam, Kamrul ; Damiati, Samar ; Sethi, Jagriti ; Suhail, Ahmed ; Pan, Genhua, Sensors, 2018

Sensors, Vol. 18, Pages 308: Development of a Label-Free Immunosensor for Clusterin Detection as an Alzheimer’s Biomarker Sensors doi: 10.3390/s18010308 Authors: Kamrul Islam Samar Damiati Jagriti Sethi Ahmed Suhail Genhua Pan Clusterin (CLU) has been associated with the ...

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Energies, Vol. 11, Pages 253: Novel Receiver-Enhanced Solar Vapor Generation: Review and Perspectives

20-Jan-2018 | Raza, Aikifa ; Lu, Jin-You ; Alzaim, Safa ; Li, Hongxia ; Zhang, TieJun, Energies, 2018

Energies, Vol. 11, Pages 253: Novel Receiver-Enhanced Solar Vapor Generation: Review and Perspectives Energies doi: 10.3390/en11010253 Authors: Aikifa Raza Jin-You Lu Safa Alzaim Hongxia Li TieJun Zhang Efficient solar vapor/steam generation is important for various ...

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IJERPH, Vol. 15, Pages 164: Fate of Fecal Indicators in Resource-Oriented Sanitation Systems Using Nitrifying Bio-Treatment

20-Jan-2018 | Hashemi, Shervin ; Han, Mooyoung ; Namkung, Eun, International Journal of Environmental Research and Public Health, 2018

IJERPH, Vol. 15, Pages 164: Fate of Fecal Indicators in Resource-Oriented Sanitation Systems Using Nitrifying Bio-Treatment International Journal of Environmental Research and Public Health doi: 10.3390/ijerph15010164 Authors: Shervin Hashemi Mooyoung Han Eun Namkung Hygienic ...

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Molecules, Vol. 23, Pages 225: Distribution Assessments of Coumarins from Angelicae Pubescentis Radix in Rat Cerebrospinal Fluid and Brain by Liquid Chromatography Tandem Mass Spectrometry Analysis

20-Jan-2018 | Yang, Yan-Fang ; Zhang, Lei ; Yang, Xiu-Wei, Molecules, 2018

Molecules, Vol. 23, Pages 225: Distribution Assessments of Coumarins from Angelicae Pubescentis Radix in Rat Cerebrospinal Fluid and Brain by Liquid Chromatography Tandem Mass Spectrometry Analysis Molecules doi: 10.3390/molecules23010225 Authors: Yan-Fang Yang Lei Zhang Xiu-Wei ...

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Quantitative DFT modeling of product concentration in organometallic reactions: Cu-mediated pentafluoroethylation of benzoic acid chlorides as a case study

19-Jan-2018 | Jesús Jover, Physical Chemistry Chemical Physics, 2018

DFT calculations are widely used for computing properties, reaction mechanisms and energy profiles in organometallic reactions. A qualitative agreement between the experimental and the calculated results seems to usually be enough to validate a computational methodology but recent advances in ...

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Controlling the magnetic and optical responses of a MoS2 monolayer by lanthanide substitutional doping: a first-principles study

19-Jan-2018 | Cecil N. M. Ouma; Sobhit Singh; Kingsley O. Obodo; George O. Amolo; Aldo H. Romero, Physical Chemistry Chemical Physics, 2018

The electronic, magnetic and optical properties of lanthanide substitutional doping (∼2% concentration) on the MoS2 monolayer have been investigated within the density functional theory formalism together with the Hubbard correction (DFT+U). The dopants investigated include Ce, Eu, Gd, Lu and Tm. ...

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