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Preparation and Characterization of Cellulose Nanofibers from Cassava Pulp

25-Aug-2015 | Watcharin Ruangudomsakul, Chaiwat Ruksakulpiwat, Yupaporn Ruksakulpiwat, Macromolecular Symposia, 2015

Summary In this study, cassava pulp (CP) was used to prepare cellulose nanofibers. CP was treated with sodium hydroxide and then bleached by sodium chlorite solution in acetate buffer solution. Finally, acid hydrolysis treatment was conducted by using two different acid type (H2SO4 and HCl). ...

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Non‐noble metal graphene oxide‐copper (II) ions hybrid electrodes for electrocatalytic hydrogen evolution reaction

25-Aug-2015 | S. Muralikrishna, T.N. Ravishankar, T. Ramakrishnappa, D.H. Nagaraju, Ranjith Krishna Pai, Environmental Progress, 2015

Non‐noble metal and inexpensive graphene oxide‐copper (II) ions (GO‐Cu2+) hybrid catalysts have been explored for the hydrogen evolution reaction (HER). We were able to tune the binding abilities of GO toward the Cu2+ ions and hence their catalytic properties by altering the pH. We have utilized ...

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Ultraviolet photopolymerization and performances of fast‐water absorbing sodium polyacrylate

21-Aug-2015 | Banugul Dolat, Amatjan Sawut, Mamatjan Yimit, Ismayil Nurulla, Journal of Applied Polymer Science, 2015

ABSTRACT A kind of fast‐water absorbing sodium polyacrylate was prepared by UV polymerization under no crosslinker or initiator condition. Influence of factors, such as exposure time, neutralization degree, polymerization temperature, and monomer concentration on the absorption rate of the ...

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Molecules, Vol. 20, Pages 15304-15318: Optimization of Micellar Electrokinetic Chromatography Method for the Simultaneous Determination of Seven Hydrophilic and Four Lipophilic Bioactive Components in Three Salvia Species

21-Aug-2015 | Cao, Jiliang ; Hu, Ji ; Wei, Jinchao ; Li, Baocai ; Zhang, Mi ; Xiang, Cheng ; Li, Peng, Molecules, 2015

A micellar electrokinetic chromatography (MEKC) method was developed for the simultaneous determination of seven hydrophilic phenolic acids and four lipophilic tanshinones in three Salvia species. In normal MEKC mode using SDS as surfactant, the investigated 11 compounds could not be well ...

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Bi0.94Sb1.06S3 Nanorod Cluster Anodes for Sodium-Ion Batteries: Enhanced Reversibility by the Synergistic Effect of the Bi2S3–Sb2S3 Solid Solution

19-Aug-2015 | Yubao Zhao; Arumugam Manthiram, Chemistry of Materials, 2015

Bi0.94Sb1.06S3 solid solution anode with a nanorod cluster morphology has been synthesized by a hydrothermal reaction and investigated in sodium-ion batteries in comparison to the binary counterparts Bi2S3 and Sb2S3. The Bi0.94Sb1.06S3–graphite composite obtained by a mechanical milling of 80 wt ...

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A simple approach for the discrimination of surfactants based on the control of squaraines aggregation

19-Aug-2015 | Yongqian Xu; Benhao Li; Weiwei Li; Jiang Li; Tu Jia; Shiguo Sun, Chemical Communication, 2015

The color of squaraine solution shows “fingerprint” change upon addition of different surfactants. On the basis of cross-responsive sensing array, a small molecular probe was applied to discriminate surfactants with 100% confidence limits. Furthermore, the probe can selectively detect sodium ...

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Fabrication and characterization of silver/nickel sulphide solar absorber coatings on stainless steel by chemical bath deposition

16-Aug-2015 | Author(s): Alcina Johnson Sudagar, R. Subasri, Materials Chemistry and Physics, 2015

Publication date: Available online 15 August 2015 Source:Materials Chemistry and Physics Author(s): Alcina Johnson Sudagar, R. Subasri Metal chalcogenide (silver/nickel sulphide) thin film absorber coatings on AISI SS 321 substrates were deposited using a chemical bath deposition ...

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H-Aggregates of an Indocyanine Cy5 Dye: Transition from Strong to Weak Molecular Coupling

13-Aug-2015 | Hans v. Berlepsch; Christoph Böttcher, Journal of Physical Chemistry B, 2015

The aggregation behavior of an Indocyanine Cy5 dye (2-[5-[1,1-dimethyl-3-(4-sulfobutyl)-1,3-dihydro-benzo[e]indol-2-ylidene]-penta-1,3-dienyl]-1,1-dimethyl-3-(4-sulfobutyl)-1H-benzo[e]indolium hydroxide, inner salt, sodium salt) in aqueous solution is investigated using absorption and ...

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Blocking and Blending: Different Assembly Models of Cyclodextrin and Sodium Caseinate at the Oil/Water Interface

11-Aug-2015 | Hua-Neng Xu; Huan-Huan Liu; Lianfu Zhang, Langmuir, 2015

The stability of cyclodextrin (CD)-based emulsions is attributed to the formation of a solid film of oil–CD complexes at the oil/water interface. However, competitive interactions between CDs and other components at the interface still need to be understood. Here we develop two different routes ...

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Molecules, Vol. 20, Pages 14504-14521: Salvia miltiorrhiza Induces Tonic Contraction of the Lower Esophageal Sphincter in Rats via Activation of Extracellular Ca2+ Influx

11-Aug-2015 | Tsai, Ching-Chung ; Chang, Li-Ching ; Huang, Shih-Che ; Tey, Shu-Leei ; Hsu, Wen-Li ; Su, Yu-Tsun ; Liu, Ching-Wen ; ..., Molecules, 2015

Up to 40% of patients with gastroesophageal reflux disease (GERD) suffer from proton pump inhibitor refractory GERD but clinically the medications to strengthen the lower esophageal sphincter (LES) to avoid irritating reflux are few in number. This study aimed to examine whether Salvia ...

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