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You searched for: Journal name RSC advances Remove constraint Journal name: RSC advances Publication year rev 7985-2015 Remove constraint Publication year rev: 7985-2015 Source 2015 v.5 no.100 Remove constraint Source: 2015 v.5 no.100
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1. 9-N-Alkylaminomethylanthracene probes for selective fluorescence sensing of pentafluorophenol

Author:
Anup Pandith; Ashwani Kumar; Hong-Seok Kim
Source:
RSC advances 2015 v.5 no.100 pp. 81808-81816
ISSN:
2046-2069
Subject:
detection limit; ethanol; fluorescence; hydrogen bonding; nuclear magnetic resonance spectroscopy; ultraviolet-visible spectroscopy
Abstract:
... 9-N-Alkylaminomethylanthracenes (1 and 2) were synthesised for halophenol sensing, and their selectivity and sensitivity towards pentafluorophenol (PFP) in ethanol were investigated. Probe 1 exhibited a good selectivity and sensitivity for PFP with a high association constant (4.35 × 10⁵ M⁻¹) without any interference from other halophenols. The relatively high selectivity and sensitivity of probe ...
DOI:
10.1039/c5ra15900h

2. Carbon nanotube based polymer nanocomposites: biomimic preparation and organic dye adsorption applications

Author:
Yili Xie; Chengbin He; Leichun Liu; Liucheng Mao; Ke Wang; Qiang Huang; Meiying Liu; Qing Wan; Fengjie Deng; Hongye Huang; Xiaoyong Zhang; Yen Wei
Source:
RSC advances 2015 v.5 no.100 pp. 82503-82512
ISSN:
2046-2069
Subject:
adsorbents; adsorption; carbon nanotubes; methylene blue; mussels; polymer nanocomposites; polymers; sulfonates; temperature; wastewater
Abstract:
... The development of highly efficient adsorbents for the removal of organic dyes from wastewater has attracted much attention recently. Surface modification of adsorbents with polymers is a general strategy for enhancement of their adsorption capability. In this work, a novel strategy of a combination of mussel inspired chemistry and SET-LRP has been developed for the fabrication of highly efficient ...
DOI:
10.1039/c5ra15626b

3. Coordinating effect in ring-opening polymerization of ε-caprolactone using aluminum complexes bearing bisphenolate as catalysts

Author:
Hsing-Yin Chen; Ying-Hsien Lee; Michael Y. Chiang; Wei-Yi Lu; Hsi-Ching Tseng; Hsin-Yi Tsai; Yu-Hsieh Chen; Yi-Chun Lai; Hsuan-Ying Chen
Source:
RSC advances 2015 v.5 no.100 pp. 82018-82026
ISSN:
2046-2069
Subject:
X-radiation; aluminum; aromatic compounds; catalysts; catalytic activity; lactones; ligands; moieties; polymerization
Abstract:
... A series of Al complexes bearing diphenolate ligands was synthesized and their application for the ring-opening polymerization of ε-caprolactone was studied. Positional variation of the substituent on the aryl ring of the RC*H(4,6-di-t-butylphenol)₂ ligand was shown to have a considerable influence on the catalysis result. Complexes with a ortho-substituent showed greater catalytic activity than t ...
DOI:
10.1039/c5ra10753a

4. Correction: Intriguing properties of unusual silicon nanocrystals

Author:
Sergio Manzetti; Tian Lu; Hadi Behzadi; Mehdi D. Esrafili; Ha-Linh Thi Le; Holger Vach
Source:
RSC advances 2015 v.5 no.100 pp. 82631
ISSN:
2046-2069
Subject:
nanocrystals; silicon
Abstract:
... Correction for ‘Intriguing properties of unusual silicon nanocrystals’ by Sergio Manzetti et al., RSC Adv., 2015, 5, 78192–78208. ...
DOI:
10.1039/c5ra90089a

5. Design of a live biochip for in situ nanotoxicology studies: a proof of concept

Author:
Schaack Béatrice; Liu Wei; Thiéry Alain; Auger Aurélien; Hochepied Jean-François; Castellan Mathieu; Ebel Christine; Chaneac Corinne; Achouak Wafa
Source:
RSC advances 2015 v.5 no.100 pp. 82169-82178
ISSN:
2046-2069
Subject:
agarose; asphyxia; bacteria; bacterial growth; biofilm; cell growth; cell viability; dose response; eukaryotic cells; fluorescence; gels; glass; hyperspectral imagery; image analysis; microchip technology; models; nanoparticles; quantum dots; risk assessment; tissues; titanium dioxide; toxicity
Abstract:
... This paper highlights the way in which eukaryotic cell and bacteria based biochips are relevant for nanotoxicological risk evaluation. Here we define NP-biochips as formatted surfaces containing nanoparticles (NPs). They are simple devices which can easily be used to generate quantitative data expressing the effects of NPs on biological material in parallelized medium throughput assays. Firstly we ...
DOI:
10.1039/c5ra16960g

6. Differentiation of multi-metal ions based on fluorescent dual-emission carbon nanodots

Author:
Fei Qu; Shuai Wang; Dongya Liu; Jinmao You
Source:
RSC advances 2015 v.5 no.100 pp. 82570-82575
ISSN:
2046-2069
Subject:
aluminum; bismuth; carbon; drugs; fluorescence; ions; iron; ligands; nanotechnology; sensors (equipment)
Abstract:
... A new fluorescent nanosensor for the selective determination and differentiation of Fe³⁺, Bi³⁺ and Al³⁺ was reported based on dual-emission carbon nanodots (DECNDs), which contained blue emitters (λₑₓ = 315 nm, λₑₘ = 386 nm) and yellow emitters (λₑₓ = 365 nm, λₑₘ = 530 nm). In this assay, Fe³⁺ could quench the fluorescence of the blue emitters; Bi³⁺ and Al³⁺ could be differentiated by the yellow e ...
DOI:
10.1039/c5ra16373k

7. Efficient synthesis of functionalized spiro[indoline-3,4′-pyridines] and spiro[indene-2,4′-pyridines] via a three-component reaction

Author:
Jing Zhang; Jing Sun; Chao-Guo Yan
Source:
RSC advances 2015 v.5 no.100 pp. 82324-82333
ISSN:
2046-2069
Subject:
acetonitrile; ambient temperature; diastereoselectivity
Abstract:
... The three-component reactions of α,β-unsaturated N-arylaldimines, dimethyl acetylenedicarboxylate (methyl propiolate) and isatylidene malononitriles in dry acetonitrile at room temperature afforded polysubstituted spiro[indoline-3,4′-pyridines] in good yields and with high diastereoselectivity. Under similar reaction conditions, the corresponding functionalized spiro[indene-2,4′-pyridines] were al ...
DOI:
10.1039/c5ra15139b

8. Expedient, catalyst-free, three-component synthesis of fused tetrahydropyridines in water

Author:
Perumal Vinoth; P. S. Ram Prasad; Thavaraj Vivekanand; C. Uma Maheswari; Subbiah Nagarajan; J. Carlos Menéndez; Vellaisamy Sridharan
Source:
RSC advances 2015 v.5 no.100 pp. 81881-81888
ISSN:
2046-2069
Subject:
aldehydes; amino alcohols; catalysts; chemical bonding; cyclization reactions; diastereoselectivity; glycerol; lactic acid; pyridines; solvents
Abstract:
... A catalyst-free, three-component reaction between amino alcohols, 1,3-dicarbonyl compounds and α,β-unsaturated aldehydes was developed for the synthesis of fused tetrahydropyridines in water. The β-enaminone formation-initiated domino sequence afforded oxazolo[3,2-a]pyridines and pyrido[2,1-b][1,3]oxazines diastereoselectivity in good yields involving Michael addition, intramolecular cyclization a ...
DOI:
10.1039/c5ra18804k

9. Fabrication of poly(β-cyclodextrin-co-citric acid)/bentonite clay nanocomposite hydrogel: thermal and absorption properties

Author:
Abolfazl Heydari; Hassan Sheibani
Source:
RSC advances 2015 v.5 no.100 pp. 82438-82449
ISSN:
2046-2069
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; absorption; bentonite; beta-cyclodextrin; citric acid; clay; energy-dispersive X-ray analysis; hydrogels; melting; methylene blue; nanocomposites; polymerization; thermal properties; thermogravimetry
Abstract:
... A β-cyclodextrin (β-CD)/bentonite clay (BNC) nanocomposite hydrogel was prepared through combining in situ intercalative polymerization and melt intercalation methods. A suspension solution of β-CD with different amounts of BNC was prepared and then copolymerized with citric acid (CT) to prepare CDP-CT/BNC nanocomposite hydrogels. Their structures were characterized by ATR-FTIR, XRD, SEM, EDAX, TE ...
DOI:
10.1039/c5ra12423a

10. Facile solvothermal synthesis of high refractive index ZrO₂ spheres: estimation of the enhanced light extraction efficiency

Author:
Jin Young Park; G. Seeta Rama Raju; Byung Kee Moon; Jung Hyun Jeong
Source:
RSC advances 2015 v.5 no.100 pp. 81915-81919
ISSN:
2046-2069
Subject:
photons; reflectance spectroscopy; refractive index; zirconium; zirconium oxide
Abstract:
... Sub-micron sized ZrO₂ spheres were synthesized by a facile solvothermal reaction method. The influence of Zr(OPr)₄ concentration on the size and size distribution of ZrO₂ spheres were examined by taking the scanning electron microscope and transmission electron microscope images. When the concentration of Zr(OPr)₄ was increased from 0.031 to 0.045 mol, the average size of the spheres also increase ...
DOI:
10.1039/c5ra13284c

11. Graphitic carbon nanocage modified electrode for highly sensitive and selective detection of dopamine

Author:
Yi Hong Huang; Jian Hua Chen; Xue Sun; Zhen Bo Su; Shi Rong Hu; Wen Weng; Yang Huang; Wen Bing Wu; Ya San He
Source:
RSC advances 2015 v.5 no.100 pp. 82623-82630
ISSN:
2046-2069
Subject:
Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray photoelectron spectroscopy; catalytic activity; chemical structure; detection limit; dopamine; electrical conductivity; electrochemistry; glassy carbon electrode; graphene; transmission electron microscopy
Abstract:
... In this study, graphitic carbon nanocages (CNCs) with high electrical conductivity were prepared by a solvothermal reaction. Transmission electron microscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy and Raman spectroscopy were performed to characterize the morphology and structure of the CNCs. Due to their specific chemical structure, the CNCs provided the modifie ...
DOI:
10.1039/c5ra15200c

12. Highly efficient red phosphor Cs₂GeF₆:Mn⁴⁺ for warm white light-emitting diodes

Author:
Zhengliang Wang; Yayun Zhou; Yong Liu; Qiang Zhou; Lijun Luo; Huiying Tan; Qiuhan Zhang; Guo Chen; Jinhui Peng
Source:
RSC advances 2015 v.5 no.100 pp. 82409-82414
ISSN:
2046-2069
Subject:
X-ray diffraction; atomic absorption spectrometry; cation exchange; color; differential scanning calorimetry; emissions factor; energy-dispersive X-ray analysis; light emitting diodes; luminescence; manganese; optical properties; reflectance spectroscopy; scanning electron microscopy; spectrometers; temperature; thermal stability; thermogravimetry; white light
Abstract:
... Red phosphor Cs₂GeF₆:Mn⁴⁺ has been synthesized by the cation exchange method. The as-prepared phosphor was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectrometer (EDS), atomic absorption spectrophotometer (AAS), thermogravimetry (TG) and differential scanning calorimetry (DSC). Its optical properties were investigated by photo-luminescenc ...
DOI:
10.1039/c5ra18070h

13. Imidazolium-supported benzotriazole: an efficient and recoverable activating reagent for amide, ester and thioester bond formation in water

Author:
S. M. Abdul Shakoor; Sunita Choudhary; Kiran Bajaj; Manoj Kumar Muthyala; Anil Kumar; Rajeev Sakhuja
Source:
RSC advances 2015 v.5 no.100 pp. 82199-82207
ISSN:
2046-2069
Subject:
acetaminophen; aerobic conditions; moieties; thioesters; triazoles
Abstract:
... An efficient and recyclable imidazolium-supported benzotriazole reagent (Im-CH₂-BtH) as a novel synthetic auxiliary has been synthesized and its utility as a carboxyl group activating reagent via the formation of stable imidazolium-supported acyl benzotriazoles was explored for the synthesis of amides, esters and thioesters in water under microwave conditions. The reagent was reused five times wit ...
DOI:
10.1039/c5ra18749d

14. In situ fabrication and infrared emissivity properties of oriented LDHs films on Al substrates

Author:
Tao Zhang; Hanqiang Yu; Yuming Zhou; Jian rong; Fengxian Qiu; Yumei Zhang
Source:
RSC advances 2015 v.5 no.100 pp. 82415-82420
ISSN:
2046-2069
Subject:
X-ray diffraction; aluminum; atomic force microscopy; hydroxides; infrared radiation; scanning electron microscopy; temperature
Abstract:
... The fabrication of film materials with controlled structure and desired morphology offers the ability to control the infrared radiation properties. Here we report the controlled fabrication of oriented layered double hydroxides (LDHs) films on Al substrates and examine their infrared radiation (8–14 μm) characteristics. A series of LDHs films with gradients in morphologies were prepared by tuning ...
DOI:
10.1039/c5ra15962h

15. Influence of carbon nanomaterial defects on the formation of protein corona

Author:
Bishwambhar Sengupta; Wren E. Gregory; Jingyi Zhu; Siva Dasetty; Mehmet Karakaya; Jared M. Brown; Apparao M. Rao; John K. Barrows; Sapna Sarupria; Ramakrishna Podila
Source:
RSC advances 2015 v.5 no.100 pp. 82395-82402
ISSN:
2046-2069
Subject:
adsorption; albumins; electrochemistry; entropy; fibrinogen; hydrophilicity; infrared spectroscopy; molecular dynamics; nanomaterials; photoluminescence; physiological response; protein corona; protein unfolding; simulation models
Abstract:
... In any physiological media, carbon nanomaterials (CNM) strongly interact with biomolecules leading to the formation of biocorona, which subsequently dictate the physiological response and the fate of CNMs. Defects in CNMs play an important role not only in material properties but also in the determination of how materials interact at the nano-bio interface. In this article, we probed the influence ...
DOI:
10.1039/c5ra15007h
PubMed:
26877870
PubMed Central:
PMC4751053

16. Inorganic microcapsules mineralized at the interface of water droplets in ethanol solution and their application as drug carriers

Author:
Yingchun Su; Wei Zong; Xiaole Zhao; Shenghua Ma; Xiaojun Han
Source:
RSC advances 2015 v.5 no.100 pp. 82247-82251
ISSN:
2046-2069
Subject:
biocompatibility; calcium carbonate; calcium phosphates; coatings; crystallization; droplets; drug carriers; drugs; encapsulation; ethanol; mineralization; mixing; models; pH; tannins
Abstract:
... This paper reported a crystallization – dissolution – interface mineralization (CDIM) method on synthesizing calcium carbonate (CaC) and calcium phosphate (CaP) inorganic microcapsules with good biocompatibility and good pH sensitivity. The method is based on mineralization at the ethanol/water interface. The microcapsules were formed in a few seconds and did not need post treatment for removing t ...
DOI:
10.1039/c5ra11861a

17. Interface induced transition from bipolar resistive switching to unipolar resistive switching in Au/Ti/GaOₓ/NiOₓ/ITO structures

Author:
X. L. Chu; Z. P. Wu; D. Y. Guo; Y. H. An; Y. Q. Huang; X. C. Guo; W. Cui; P. G. Li; L. H. Li; W. H. Tang
Source:
RSC advances 2015 v.5 no.100 pp. 82403-82408
ISSN:
2046-2069
Subject:
ambient temperature; gold
Abstract:
... We report the transition from bipolar resistive switching (BRS) to unipolar resistive switching (URS) in the Au/Ti/GaOₓ/NiOₓ/ITO device at room temperature. After the proper soft breakdown of the p–n junctions (GaOₓ/NiOₓ), the switching operation could be easily transferred from BRS to URS mode. The BRS and URS behaviors are possibly related to the interfacial variation of the Ti/GaOₓ Schottky jun ...
DOI:
10.1039/c5ra12762a

18. Iodine-mediated regioselective C–N and C–I bond formation of alkenes

Author:
Kai Sun; Fengji Ma; Lulu Liu; Jingjing Sun; Xin Liu; Yachao Wang; Zhiguo Zhang; Guisheng Zhang
Source:
RSC advances 2015 v.5 no.100 pp. 82492-82495
ISSN:
2046-2069
Subject:
alkenes; chemical bonding; moieties; regioselectivity
Abstract:
... Iodine-mediated intermolecular C–N and C–I bond formation of alkenes is described. A series of alkenes could be selectively converted into the corresponding aminoiodination products, which are versatile building blocks in organic synthesis and medicinal chemistry. Wide substrate scope, broad functional group tolerance and easy scale-up operation make this protocol very practical and attractive in ...
DOI:
10.1039/c5ra14407h

19. Isolation of Bacillus amyloliquefaciens JK6 and identification of its lipopeptides surfactin for suppressing tomato bacterial wilt

Author:
Hanqin Xiong; Yongtao Li; Yanfei Cai; Yu Cao; Yan Wang
Source:
RSC advances 2015 v.5 no.100 pp. 82042-82049
ISSN:
2046-2069
Subject:
Bacillus amyloliquefaciens; DNA; Ralstonia solanacearum; Solanum lycopersicum; ammonia; ammonium; antagonists; bacterial wilt; biofilm; biological control; biosynthesis; cellulose; genes; greenhouse experimentation; indole acetic acid; iturin; liquid chromatography; mass spectrometry; pathogens; proteinases; rhizosphere; rhizosphere bacteria; siderophores; soil; surfactin; tomatoes
Abstract:
... A rhizobacteria strain, B. amyloliquefaciens JK6, isolated from the rhizosphere soil of healthy tomato plants, significantly inhibited Ralstonia solanacearum (RS). The biocontrol efficacies (BCEs) of JK6 suppressing tomato bacterial wilt caused by RS were up to 58.6% and 52.9% in two greenhouse experiments. To evaluate the mechanisms of the antagonist, we found that JK6 could produce siderophores, ...
DOI:
10.1039/c5ra13142a

20. Isothermal crystallization process of poly(4-methyl-1-pentene)/alkylated graphene oxide nanocomposites: thermal analysis and rheology study

Author:
Li-yang Xu; Bo Yin; Huai-wen Yan; Ai-ping Ma; Ming-bo Yang
Source:
RSC advances 2015 v.5 no.100 pp. 82005-82011
ISSN:
2046-2069
Subject:
X-ray diffraction; crystal structure; crystallization; differential scanning calorimetry; graphene oxide; nanocomposites; polymers; rheology; temperature
Abstract:
... In this study, alkylated graphene oxide (GO–ODA) was obtained successfully via electrostatic self-assembling of oppositely charged GO and ODA. Then, TPX/GO–ODA nanocomposites were obtained from the solution. All samples have the same crystal structure, Form I, as found by X-ray diffraction (XRD). It can be noted that poly(4-methyl-1-pentene) (TPX) has two types of lamellae at high crystallization ...
DOI:
10.1039/c5ra12254f