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You searched for: Journal name RSC advances Remove constraint Journal name: RSC advances Publication year rev 7982-2018 Remove constraint Publication year rev: 7982-2018 Source 2018 v.8 no.25 Remove constraint Source: 2018 v.8 no.25
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1. Accurate global potential energy surface for the ground state of CH₂⁺ by extrapolation to the complete basis set limit

Author:
Lu Guo; Hongyu Ma; Lulu Zhang; Yuzhi Song; Yongqing Li
Source:
RSC advances 2018 v.8 no.25 pp. 13635-13642
ISSN:
2046-2069
Subject:
hydrogen; least squares; potential energy
Abstract:
... A full three-dimensional global potential energy surface is reported for the ground state of CH₂⁺ by fitting accurate multireference configuration interaction energies calculated using aug-cc-pVQZ and aug-cc-pV5Z basis sets with extrapolation of the electron correlation energy to the complete basis set limit. The topographical characteristics have been compared in detail with a potential energy su ...
DOI:
10.1039/c8ra02228c

2. Artificial simulation of salivary and gastrointestinal digestion, and fermentation by human fecal microbiota, of polysaccharides from Dendrobium aphyllum

Author:
Huifan Liu; Fan Gong; Fashan Wei; Hui Wu
Source:
RSC advances 2018 v.8 no.25 pp. 13954-13963
ISSN:
2046-2069
Subject:
Dendrobium cucullatum; amylases; cecum; colon; fermentation; gas chromatography-mass spectrometry; humans; in vitro digestion; intestinal microorganisms; mannose; molecular weight; pH; polysaccharides; reducing sugars; short chain fatty acids
Abstract:
... In vitro salivary and gastrointestinal (GI) digestion and fermentation of polysaccharides extracted from Dendrobium aphyllum were investigated in this study. Salivary amylase showed no influence on D. aphyllum polysaccharides (DAP). The molecular weight of DAP decreased dramatically during the first 0.5 h of gastric digestion, and then reduced steadily during the subsequent GI tract consumption. T ...
DOI:
10.1039/c8ra01179f

3. Au/Fe₃O₄ core–shell nanoparticles are an efficient immunochromatography test strip performance enhancer—a comparative study with Au and Fe₃O₄ nanoparticles

Author:
Jiaoling Huang; Zhixun Xie; Liji Xie; Zhiqin Xie; Sisi Luo; Xianwen Deng; Li Huang; Tingting Zeng; Yanfang Zhang; Sheng Wang; Minxiu Zhang
Source:
RSC advances 2018 v.8 no.25 pp. 14064-14071
ISSN:
2046-2069
Subject:
Influenza A virus; antigens; cost effectiveness; detection limit; eggs; glass fibers; gold; immunoaffinity chromatography; iron oxides; nanogold; nanoparticles; polyclonal antibodies; rapid methods
Abstract:
... Immunochromatography test strips that use metal particles constructed from Au, Fe₃O₄, and Au/Fe₃O₄ nanoparticles were developed for the rapid detection of avian influenza virus subtype H7 (AIV H7). The principle of this immunochromatography test strip was based on a sandwich immunoreaction in which AIV H7 antigens bind specifically to their corresponding antibodies on a nitrocellulose membrane. An ...
DOI:
10.1039/c8ra00185e

4. Bio-based reactive diluents as sustainable replacements for styrene in MAESO resin

Author:
Yuehong Zhang; Yuzhan Li; Vijay Kumar Thakur; Liwei Wang; Jiyou Gu; Zhenhua Gao; Bo Fan; Qiong Wu; Michael R. Kessler
Source:
RSC advances 2018 v.8 no.25 pp. 13780-13788
ISSN:
2046-2069
Subject:
Fourier transform infrared spectroscopy; carbon; chemical bonding; differential scanning calorimetry; eugenol; fatty acids; free radicals; gelation; glass transition temperature; liquids; polymerization; resins; rheometers; soybean oil; styrene; thermogravimetry; viscosity
Abstract:
... Four different biorenewable methacrylated/acrylated monomers, namely, methacrylated fatty acid (MFA), methacrylated eugenol (ME), isobornyl methacrylate (IM), and isobornyl acrylate (IA) were employed as reactive diluents (RDs) to replace styrene (St) in a maleinated acrylated epoxidized soybean oil (MAESO) resin to produce bio-based thermosetting resins using free radical polymerization. The curi ...
DOI:
10.1039/c8ra00339d

5. Celastrol delays hepatic steatosis and carcinogenesis in a rapid AKT/c-Met-transfected hepatocellular carcinoma model via suppressing fatty acid synthase expression and AKT/ERK phosphorylation

Author:
Junjie Hu; Xin Li; Junxuan Zhou; Cong Zhang; Guohua Zheng; Zhenpeng Qiu
Source:
RSC advances 2018 v.8 no.25 pp. 13976-13983
ISSN:
2046-2069
Subject:
blood serum; carcinogenesis; fatty liver; fatty-acid synthase; gene expression; gene expression regulation; hepatoma; liver; messenger RNA; mice; mitogen-activated protein kinase; models; oncogenes; phosphorylation; proliferating cell nuclear antigen; signal transduction; tissues
Abstract:
... Although the suppressing effects of celastrol on hepatocellular carcinoma (HCC) have been demonstrated, evidence for the targeting of fatty acid synthetase (FASN) in the development of HCC by celastrol is still rare. In this study, the effect of celastrol on a rapid HCC model featuring co-activation of AKT/c-Met oncogenes in mice was studied. The effect of celastrol on the alpha-fetoprotein level ...
DOI:
10.1039/c8ra00522b

6. Chrysin attenuates myocardial ischemia–reperfusion injury by inhibiting myocardial inflammation

Author:
Jingguo Wu; Nan Xun; Yang Yang; Lijin Zeng; Zhenyu Li; Wen Yang; Yanbing Liang; Hao Tang; Zhongfu Ma
Source:
RSC advances 2018 v.8 no.25 pp. 13739-13746
ISSN:
2046-2069
Subject:
chrysin; coronary vessels; cytokines; heart; hypoxia; inflammation; protective effect; rats; staining
Abstract:
... The aim of this study was to investigate the effects of chrysin (CH) on myocardial ischemia–reperfusion injury. Cytokines were reduced by CH in coronary artery occlusion-induced rats and also in H9C2 cells. The ST segment was also restored by CH. Triphenyltetrazolium chloride (TTC) staining and pathological analysis showed that CH could alleviate myocardial injury. Results in H9C2 cells showed tha ...
DOI:
10.1039/c8ra00590g

7. Collision cascades interact with an edge dislocation in bcc Fe: a molecular dynamics study

Author:
Hao Wang; Ji-Ting Tian; Wei Zhou; Xiao-Fei Chen; Bin Bai; Jian-Ming Xue
Source:
RSC advances 2018 v.8 no.25 pp. 14017-14024
ISSN:
2046-2069
Subject:
iron; irradiation; microstructure; models; molecular dynamics
Abstract:
... The interactions of an edge dislocation (ED) with collision cascades induced by 5 keV primary knocked-on atoms (PKAs) towards the ED in bcc Fe are studied using classical molecular dynamics (MD) simulations. It is found that the number and distribution of the residual point defects are related to the distance between the initial PKAs and the ED. Based on this result, we provide a comprehensive sum ...
DOI:
10.1039/c8ra00141c

8. Controlled self-assembly of glycoprotein complex in snail mucus from lubricating liquid to elastic fiber

Author:
Tianyi Zhong; Liu Min; Zhiyuan Wang; Feng Zhang; Baoqi Zuo
Source:
RSC advances 2018 v.8 no.25 pp. 13806-13812
ISSN:
2046-2069
Subject:
Gastropoda; biomimetics; calcium carbonate; extensibility; gels; glycoproteins; liquids; locomotion; microparticles; mucus; nanoparticles; osmoregulation; predators; reproduction; slugs; snails; solidification
Abstract:
... The pedal mucus secreted by many gastropod mollusks, such as terrestrial snails and slugs, plays crucial roles in locomotion, osmoregulation, reproduction, and repulsing predators. In this report, we presented an intriguing example that terrestrial snail can utilize the self-assembly of glycoprotein complex in secreted mucus at the nanoscale to enhance adhesive force on smooth plates. With increas ...
DOI:
10.1039/c8ra01439f

9. Coordinating influence of multilayer graphene and spherical SnAgCu for improving tribological properties of a 20CrMnTi material

Author:
Xiaoxue Li; Jingli Xu
Source:
RSC advances 2018 v.8 no.25 pp. 14129-14137
ISSN:
2046-2069
Subject:
durability; friction; graphene; hardness; lubrication; oxides
Abstract:
... In order to increase the service life and operational reliability of a 20CrMnTi-steel-based gearing system, the friction and wear behavior of 20CrMnTi needs to be further improved. In this study, the sliding friction and wear properties of 20CrMnTi, 20CrMnTi-1.50 wt% graphene (20-Gr), 20CrMnTi-15.00 wt% SnAgCu (20-Sn), and 20CrMnTi-15.00 wt% SnAgCu-1.50 wt% graphene (20-Gr-Sn) were examined on a b ...
DOI:
10.1039/c7ra12756a

10. Effects of biopolyimide molecular design on their silica hybrids thermo-mechanical, optical and electrical properties

Author:
S. Dwivedi; S. Sakamoto; S. Kato; T. Mitsumata; T. Kaneko
Source:
RSC advances 2018 v.8 no.25 pp. 14009-14016
ISSN:
2046-2069
Subject:
amino acids; annealing; condensation reactions; electrical properties; polymers; silica
Abstract:
... Polymers, derived from bio-derived resources, have gained considerable momentum because of a lower dependence over conventional fossil-based resources without compromising the materials' thermo-mechanical properties. Unique characteristics of organic and inorganic materials can be incorporated by a combination of both to obtain hybrid materials. We have recently developed a series of transparent b ...
DOI:
10.1039/c8ra01965g

11. Environmentally sustainable biogenic fabrication of AuNP decorated-graphitic g-C₃N₄ nanostructures towards improved photoelectrochemical performances

Author:
Mohammad Ehtisham Khan; Mohammad Mansoob Khan; Moo Hwan Cho
Source:
RSC advances 2018 v.8 no.25 pp. 13898-13909
ISSN:
2046-2069
Subject:
absorption; biofilm; carbon nitride; dielectric spectroscopy; electron transfer; gold; graphene; irradiation; nanogold; nanoparticles; particle size; photons; synergism
Abstract:
... Noble-metal gold (Au) nanoparticles (NPs) anchored/decorated on polymeric graphitic carbon nitride (g-C₃N₄), as a nanostructure, was fabricated by a simple, single step, and an environmentally friendly synthesis approach using single-strain-developed biofilm as a reducing tool. The well deposited/anchored AuNPs on the sheet-like structure of g-C₃N₄ exhibited high photoelectrochemical performance u ...
DOI:
10.1039/c8ra00690c

12. Four 3D coordination polymers based on layers with single syn–anti carboxylate bridges: synthesis, structures, and magnetic properties

Author:
Wei Gao; Feng Liu; Xiu-Mei Zhang; Jie-Ping Liu; Qing-Yu Gao
Source:
RSC advances 2018 v.8 no.25 pp. 14101-14108
ISSN:
2046-2069
Subject:
cobalt; coordination polymers; ferrimagnetic materials; ligands; magnetic properties; magnetism; metal ions; nickel; picolinic acid
Abstract:
... Four novel coordination polymers (CPs) based on a new 4-(3,5-dicarboxylphenyl) picolinic acid ligands (H₃L), [M₃(L)₂(H₂O)₆]·4H₂O (M₃ = Mn₃, 1; Co₃, 2; Ni₃, 3, Co₁.₀₁Ni₁.₉₉, 4), have been hydrothermally synthesized, and structurally and magnetically characterized. In these isomorphous CPs, octahedrally coordinated metal ions are linked by the single syn–anti carboxylate bridge (μ-COO) to give linea ...
DOI:
10.1039/c8ra01900b

13. Free-standing nitrogen-doped graphene paper for lithium storage application

Author:
Hao Wen; Binbin Guo; Wenbin Kang; Chuhong Zhang
Source:
RSC advances 2018 v.8 no.25 pp. 14032-14039
ISSN:
2046-2069
Subject:
ammonia; anodes; electrochemistry; graphene; graphene oxide; lithium; lithium batteries; nitrogen; oxidation; paper; vapors
Abstract:
... A flexible free-standing nitrogen-doped graphene paper (N-GP) is fabricated via a facile hydrothermal approach with doping reaction occurring at the solid/gas interface of graphene oxide and ammonia vapor. Ammonia not only facilitates the doping of oxidized graphene paper efficiently with a nitrogen doping level of ca. 6.81%, but also promotes its reduction. The electrochemical properties of N-GP ...
DOI:
10.1039/c8ra01019f

14. Giant magnetic coercivity in Fe₃C-filled carbon nanotubes

Author:
Dan Liu; Jie Zhu; Sameera Ivaturi; Yi He; Shanling Wang; Jiayu Wang; Sijie Zhang; Maureen A. C. Willis; Filippo S. Boi
Source:
RSC advances 2018 v.8 no.25 pp. 13820-13825
ISSN:
2046-2069
Subject:
anisotropy; carbon nanotubes; magnetism; temperature
Abstract:
... One of the major challenges in the synthesis of ferromagnetically filled carbon nanotubes is the achievement of high coercivities. Up to now the highest coercivity has been shown to be 2200 Oe at 2 K ranging down to 500 Oe at temperatures of 300 K. Here we show that the anomalously large coercivity of 3440 Oe is observed in comparable samples. By comparing our result to those reported in previous ...
DOI:
10.1039/c7ra13671d

15. Graphene inclusion controlling conductivity and gas sorption of metal–organic framework

Author:
Paolo Lamagni; Birgitte Lodberg Pedersen; Anita Godiksen; Susanne Mossin; Xin-Ming Hu; Steen Uttrup Pedersen; Kim Daasbjerg; Nina Lock
Source:
RSC advances 2018 v.8 no.25 pp. 13921-13932
ISSN:
2046-2069
Subject:
Raman spectroscopy; X-ray diffraction; adsorption; carbon dioxide; composite films; composite materials; coordination polymers; copper; diazonium compounds; electrical conductivity; electrochemistry; electron paramagnetic resonance spectroscopy; glassy carbon electrode; graphene; microscopy; nitrogen; surface area; vapors
Abstract:
... A general approach to prepare composite films of metal–organic frameworks and graphene has been developed. Films of copper(ii)-based HKUST-1 and HKUST-1/graphene composites were grown solvothermally on glassy carbon electrodes. The films were chemically tethered to the substrate by diazonium electrografting resulting in a large electrode coverage and good stability in solution for electrochemical ...
DOI:
10.1039/c8ra02439a

16. Heterogeneous Co-catalyzed direct 2-alkylation of azoles with ethers

Author:
Ke Yang; Dashan Li; Lei Zhang; Qun Chen; Tiandi Tang
Source:
RSC advances 2018 v.8 no.25 pp. 13671-13674
ISSN:
2046-2069
Subject:
azoles; catalysts; ethers; oxazoles; porous media; thiazoles; zeolites
Abstract:
... The direct 2-alkylation of oxazoles and thiazoles with ethers through cross-dehydrogenative coupling reaction using Co-containing mesoporous zeolite ETS-10 as the heterogeneous catalyst is described. The basic Co-containing mesoporous zeolite ETS-10 catalyst facilitates this cross-dehydrogenative coupling reaction through metal-base synergy catalytic principle. ...
DOI:
10.1039/c8ra01796d

17. Hierarchical CdMoO₄ nanowire–graphene composite for photocatalytic hydrogen generation under natural sunlight

Author:
Sunil R. Kadam; Rajendra P. Panmand; Shashikant Tekale; Supriya Khore; Chiaki Terashima; Suresh W. Gosavi; Akira Fujishima; Bharat B. Kale
Source:
RSC advances 2018 v.8 no.25 pp. 13764-13771
ISSN:
2046-2069
Subject:
X-ray diffraction; graphene; graphene oxide; hydrogen production; microparticles; nanoparticles; nanowires; photocatalysis; photocatalysts; scanning electron microscopy; semiconductors; solar radiation; transmission electron microscopy
Abstract:
... Herein, a facile in situ solvothermal technique for the synthesis of a CdMoO₄/graphene composite photocatalyst is reported. Graphene oxide (GO) was synthesised by an improved Hummers' method and was further used for the in situ synthesis of graphene via GO reduction and the formation of a CdMoO₄ nanowire/graphene composite. The structural phase formation of tetragonal CdMoO₄ was confirmed from X-r ...
DOI:
10.1039/c8ra01557k

18. High temperature gas sensing performances of silicon carbide nanosheets with an n–p conductivity transition

Author:
Lian Sun; Cheng Han; Nan Wu; Bing Wang; Yingde Wang
Source:
RSC advances 2018 v.8 no.25 pp. 13697-13707
ISSN:
2046-2069
Subject:
accidents; acetone; ammonia; chemical industry; corrosion; ethanol; fuel cells; gases; graphene oxide; methanol; nanosheets; silicon carbide; temperature
Abstract:
... Fast and effective detecting of flammable and explosive gases in harsh environments (high temperature, corrosion atmosphere) is crucial for preventing severe accidents for the chemical industry, fuel cell applications and engine tests. Silicon carbide material is reported to be a good candidate for gas sensing devices applied in extreme conditions. Herein, high-temperature available silicon carbid ...
DOI:
10.1039/c8ra02164c

19. In silico analysis and in vivo tests of the tuna dark muscle hydrolysate anti-oxidation effect

Author:
Jiaojiao Han; Shasha Tang; Yanyan Li; Wei Bao; Haitao Wan; Chenyang Lu; Jun Zhou; Ye Li; Lingzhi Cheong; Xiurong Su
Source:
RSC advances 2018 v.8 no.25 pp. 14109-14119
ISSN:
2046-2069
Subject:
blood serum; computer software; glutathione peroxidase; hydrolysates; in vivo studies; liver; malondialdehyde; mice; muscles; peptides; protein hydrolysates; superoxide dismutase; tuna
Abstract:
... Hydrolysate is a mixture of various peptides with specific functions. However, functional identification of hydrolysate with high throughput is still a difficult task. Furthermore, using in vivo tests via animal or cell experiments is time and labor-intensive. In this study, the peptides component of hydrolysate derived from the tuna dark muscle was measured via MALDI-TOF/TOF-MS, and the functions ...
DOI:
10.1039/c8ra00889b

20. In situ growth of PEDOT/graphene oxide nanostructures with enhanced electrochromic performance

Author:
Yingdi Shi; Yong Zhang; Kai Tang; Yanbin Song; Jiewu Cui; Xia Shu; Yan Wang; Jiaqin Liu; Yucheng Wu
Source:
RSC advances 2018 v.8 no.25 pp. 13679-13685
ISSN:
2046-2069
Subject:
Raman spectroscopy; X-ray photoelectron spectroscopy; bleaching; electrochemistry; energy conservation; graphene oxide; hybridization; nanoparticles; nanosheets; scanning electron microscopes
Abstract:
... Poly(3,4-ethylenedioxythiophene) (PEDOT)/graphene oxide (GO) hybrid nanostructures have been obtained by an in situ electro-polymerization process. Field emission scanning electron microscope observation indicates that the hybrid nanostructures consist of uniform and well-dispersed PEDOT nanoparticles integrated on the networked GO nanosheets. Surface chemistry and structure of the hybrid nanostru ...
DOI:
10.1039/c8ra01153b