Browsing Year-2012 by Issue Date

Now showing items 1-20 of 103

A benzimidazole-based fluorescent sensor for Cu2+ and its complex with a phosphate anion formed through a Cu2+ displacement approach

Saluja, P.; Kaur, N.; Singh, N.; Jang, D.O. (2016-05-13)

A benzimidazole-based imine linked receptor was synthesized for fluorescent recognition of Cu2+ in a CH3CN/H2O (8:2, v/v) solvent system. The receptor offers an opportunity for the selective estimation of Cu2+ in the ...
Adaptive neuro-fuzzy inference system modeling of cryogenically treated AISI M2 HSS turning tool for estimation of flank wear

Gill, S.S.; Singh, R.; Singh, J.; Singh, H. (2016-05-13)

This study deals with modeling the flank wear of cryogenically treated AISI M2 high speed steel (HSS) tool by means of adaptive neuro-fuzzy inference system (ANFIS) approach. Cryogenic treatment has recently been found to ...
Direct synthesis of metal oxide incorporated mesoporous SBA-15, and their applications in non-enzymatic sensing of glucose

Anuprathap, M.U.; Kaur, B.; Srivastava, R. (2016-05-16)

One-step direct synthetic route is reported for the preparation of M-SBA-15 materials (M = Cu, Ni, Co, Fe, and Mn) with nSi/nM ratios ranging from 100 to 10 under mild acidic condition than conventionally employed for the ...
Benzimidazole-based receptor for Zn2+ recognition in a biological system: a chemosensor operated by retarding the excited state proton transfer

Kim, M.J.; Kaur, K.; Singh, N.; Jang, D.O. (2016-05-16)

A new benzimidazole-based receptor was developed with potential functional groups for excited state proton transfer (ESPT) through keto–enol tautomerism. The enol form of the receptor selectively recognizes Zn2+, allowing ...
Hydration of alkynes using Brönsted acidic ionic liquids in the absence of Nobel metal catalyst/H2SO4

Kore, R.; Kumar, T.J.D.; Srivastava, R. (2016-05-16)

In this study, a variety of imidazole based sulfonic acid group functionalized Brönsted acidic ionic liquids (BAILs) were synthesized. BAILs have been successfully developed as task specific ionic liquids for hydration of ...
Imine linked fluorescent chemosensor for Al3+ and resultant complex as a chemosensor for HSO4− anion

Kaur, K.; Bhardwaj, V.K.; Kaur, N.; Singh, N. (2016-05-16)

Imine linked chemosensor has been synthesized and examined for cation recognition properties. The sensor shows strong affinity for Al3+ over other cations such as Na+, K+, Mg2+, Ca2+, Ba2+, Sr2+, Cr3+, Mn2+, Fe3+, Co2+, ...
Fluorescent chemosensor for Al3 + and resultant complex as a chemosensor for perchlorate anion: First molecular security keypad lock based on Al3 + and ClO4− inputs

Kaur, K.; Bhardwaj, V.K.; Kaur, N.; Singh, N. (2016-05-16)

A dipodal sensor detects Al3 + in HEPES buffered THF/H2O (7:3, v/v) through excited state proton transfer, representing a quenching at 355 nm and enhancement at 480 nm. The resulting aluminium complex (1.Al3 +) displays a ...
Dipodal fluorescent chemosensor for Cu2+ and resultant complex as a chemosensor for iodide

Goh, H.; Kim, M.J.; Saluja, P.; Singh, N.; Jang, D.O. (2016-05-16)

A dipodal receptor was synthesized by condensation of isophthalaldehyde and p-toluenesulfonylhydrazide. The receptor was found to be selective for Cu2+ recognition in CH3CN. The resultant Cu2+ receptor complex selectively ...
Hydrothermal synthesis of CuO micro-/nanostructures and their applications in the oxidative degradation of methylene blue and non-enzymatic sensing of glucose/H2O2

Anuprathap, M.U.; Kaur, B.; Srivastava, R. (2016-05-16)

In this paper, we report on the amino acids-/citric acid-/tartaric acid-assisted morphologically controlled hydrothermal synthesis of micro-/nanostructured crystalline copper oxides (CuO). These oxides were characterized ...
Imine linked 1,8-naphthalimide: Chromogenic recognition of metal ions, density function theory and cytotoxic activity

Sharma, H.; Kaur, N.; Singh, N. (2016-05-16)

The naphthalimide-based and imine coupled receptor has been synthesized and this receptor is evaluated for metal recognition properties. The Cu2+ and Co2+ recognition in the coordination sphere of receptor leads to a change ...
Benzimidazole-based fluorescent sensors for Cr3+ and their resultant complexes for sensing image and F−

Saluja, P.; Kaur, N.; Singh, N.; Jang, D.O. (2016-05-16)

A benzimidazole-based receptor that selectively recognized Cr3+ without interference from other metal ions was synthesized in this study. The resultant Cr-complex recognized 4HSO− and F− via two approaches. 4HSO− ions bound ...
Influence of –SO3H functionalization (N-SO3H or N-R-SO3H, where R = alkyl/benzyl) on the activity of Brönsted acidic ionic liquids in the hydration reaction

Kore, R.; Srivastava, R. (2016-05-16)

Sulfonic acid group functionalized imidazole based Brönsted acidic ionic liquids (BAILs) were synthesized and their activities were investigated in the hydration reaction of alkynes. The Hammett acidity order determined ...
Imine linked chemosensors coupled with ZnO: Fluorescent and chromogenic detection of Al3+

Sharma, H.; Narang, K.; Singh, N.; Kaur, N. (2016-05-16)

The surface of ZnO nanoparticles is decorated with dipodal receptors having imine linkages. The cation recognition properties of pure dipodal receptors and same receptors coated on ZnO have been compared. The dipodal ...
Imine coupled ZnO based fluorescent chemosensor for the simultaneous estimation of Al3+ and Cr3+

Kaur, K.; Kaur, N.; Singh, N. (2016-05-16)

Nanoparticle decorated with a non-selective Schiff base organic ligand is synthesized and the assembly is investigated for cation recognition affinity. The investigation describes interesting phenomena of simultaneous ...
Benzimidazole-based imine-linked chemosensor: chromogenic sensor for Mg2+ and fluorescent sensor for Cr3+

Saluja, P.; Sharma, H.; Kaur, N.; Singh, N.; Jang, D.O. (2016-05-16)

We synthesized an imine-linked, benzimidazole-based chemosensor that can be used for chromogenic recognition of Mg2+ and fluorescent recognition of Cr3+. The chemosensor shows sensitive, selective, and ratiometric recognition ...
Microstructure and damping behaviour of consolidated magnesium chips

Surappa, M.K.; Anilchandra, A.R. (2016-05-17)

Chips produced by turning a commercial grade pure magnesium billet were consolidated by solid state recycling technique of cold compaction followed by hot extrusion. The cold compacted billets were extruded at four different ...
Numerical simulation of temperature distribution using finite difference equations and estimation of the grain size during friction stir processing

Arora, H.S.; Singh, H.; Dhindaw, B.K. (2016-05-17)

The present investigation is aimed at developing a heat flow model to simulate temperature history during friction stir processing (FSP). A new approach of developing implicit form of finite difference heat equations solved ...
Pyrazine bridged dicobaloximes with bis(thiophenyl)glyoxime and their molecular oxygen insertion

Dutta, G.; Mandal, D.; Gupta, B.D. (2016-05-25)

The pyrazine bridged dicobaloxime complexes [RCo(dSPhgH)2]2-μ-Pz [R = Et, Bu, CH2Ph] (1–3) with bis(thiophenyl)glyoxime, (dSPhgH2) have been synthesized and characterized by NMR spectroscopy for the first time. The X-ray ...
Si nanoripples: A growth dynamical study

Dhillon, P.K.; Sarkar, S.; Sarkar, A.; Moussa, A.; Vandervorst, W. (2016-05-25)

Si(1 0 0) surface was physically eroded using 1 keV OView the MathML source ion beam and the resultant surface was studied by atomic force microscopy (AFM). The data were analyzed within the framework of dynamic scaling ...
Synthesis of mesostructured polyaniline using mixed surfactants, anionic sodium dodecylsulfate and non-ionic polymers and their applications in H2O2 and glucose sensing

Anuprathap, M.U.; Thakur, B.; Sawant, S.N.; Srivastava, R. (2016-06-03)

Mesostructured polyaniline was prepared by the self-assembly of a mixture of an anionic surfactant, sodium dodecylsulfate and a non-ionic polymeric surfactant (polyethylene glycol, and block-co-polymers such as Pluronic ...

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