In this study, the preparation of immobilized 4-(2-pyridylazo)resorcinol (PAR) in chitosan-graphene oxide composite has been described using spin coating technique. The optical properties of the composite thin film was characterized using UV–Vis-NIR absorption spectroscopy and its optical band ...

Bound metals are observed in a great many natural proteins, where they perform diverse roles in determining protein folding, stability and function. Due to the broad impact of bound metals on biophysical and biochemical properties of proteins, it is valuable to have accurate and facile methods f...

A series of 1,3-dioxane carboxylic acid derivatives was synthesized and evaluated for human PPAR transactivation activity. Structure–activity relationships on the phenyloxazole moiety of the lead compound 3 revealed that the introduction of small hydrophobic substituents at the 4-position of th...

A simple and reliable method for the preparation of 2,2-dimethyl-5-(trifluoroacetyl)-1,3-dioxane-4,6-dione and 2,2-dimethyl-6-(trifluoromethyl)-4H-1,3-dioxin-4-one on a multigram scale was developed. These (trifluoroacetyl)ketene precursors were used in the hetero-Diels-Alder reaction with dialk...

The nucleophilic reaction of in situ generated [ArTe−] with appropriate organic halides has been used to synthesize 2-(phenyltelluromethyl)-tetrahydro-2H-pyran (L1) and 2-(2-{4-methoxyphenyl} telluorethyl-1,3-dioxane (L2). Their complexes with stoichiometries [MCl2(L)2], [M(L)2](ClO4)2, [M(DPPE)...

Activity-guided fractionation in combination with taste dilution and comparative taste dilution analysis, followed by LC-MS and 1D/2D-NMR experiments, enabled the identification of several C18-acetylenic acids in chanterelles among which (9Z,15E)-14,17,18-trihydroxy-9,15-octadecadien-12-ynoic ac...

IntroductionThe C-3PO rule has been validated for use by emergency physicians to identify young children at risk of skull fracture following head trauma. The use of the rule by triage nurses could improve patient flow in the emergency department.

A systematic study of the humidity sensing properties of boron phosphate indicates promise as a humidity sensing material. A resistance change from 1011 to 106 Ω with change in relative humidity from 35 to 90% with a superior slope indicates high sensitivity and this along with the linear behav...

In this study novel flame retardant boron phosphate (BPO4)/polyimide composites were prepared. 4,4′-Oxydianiline (ODA) was reacted with 3,3′,4,4′-benzophenonetetracarboxylic dianhydride (BTDA) in dimethyl formamide (DMF) and mixed with BPO4 particles to obtain a series of polyamic acids, mean...

The aim of this study is to synthesize a composite membrane having high proton conductivity, ion exchange capacity and chemical stability. In order to achieve this aim, poly(vinyl alcohol) (PVA) based composite membranes are synthesized by using classic sol–gel method. Boric acid (H3BO3) and bo...

A solid acid boron phosphate (BP) has been prepared and characterized by X-ray diffraction, transmission electron microscopy and X-ray photoelectron spectroscopy. The catalytic effects of BP on pyrolysis and flame retardancy of epoxy resins (EP) were studied by various methods. Transmission elec...

In the current study, boron doped biphasic calcium phosphate bioceramics consisting of a mixture of boron doped hydroxyapatite (BHA) and beta tricalcium phosphate (β-TCP) of varying BHA/β-TCP ratios were obtained after sintering stage. The effects of varying boron contents and different sinter...

For application to all-solid-state thin film batteries, lithium boron phosphorus oxynitride (LiBPON) thin films were fabricated by RF magnetron sputtering technique of lithium borate (Li3BO3) and lithium phosphate (Li3PO4) target under N2 atmosphere. To investigate the mixed former effect upon t...

Direct conversion of lignocellulose to fuels has been widely considered as one of most potential ways to produce renewable transportation fuels. In current study, 70.6% yield of gasoline-range hydrocarbons (C5 and C6 alkanes) was directly obtained from cellulose by using Ru/C and boron phosphate...

New magneto-optical vitreous materials were obtained by melting-quenching technique comprising wet route raw materials preparation. The glass has the following composition in oxide mol. %: 10 Li2O, 9 Al2O3, 5 ZnO, (35; 20; 50) B2O3, (35; 50; 20) P2O5, 3 Bi2O3, 3 PbO, phosphorus and boron oxide b...

To enhance corrosion resistance of zinc phosphate coatings on mild steel, boron nitride nanosheets (BNs) were introduced into zinc phosphating bath. The effects of BNs on the phase composition, surface morphology and corrosion resistance of phosphate coatings were investigated by varying the con...

This study focuses on radiation shielding characteristics of Li2O, Al2O3 and ZnO-doped boron phosphate glasses containing PbO and Bi2O3. Mass attenuation coefficient (μ/ρ) values of the glasses have been calculated using MCNPX code at various photon energies ranging from 60 to 120 keV and comp...

In the present work, impact of biodiesel on engine oil quality was focused on the roles of methyl oleate and the performance characteristics of an engine oil metallic sulfonate detergent additive. Oxidation and detergency tests of blends of methyl oleate, over-based calcium alkylarylsulfonate an...

A novel cage-type compound tetrakis(isopropylimino)bis[tris(dimethylamino)silylamino]alane, H6Al6(NiPr)4[NSi(NMe2)3]2, (1), was prepared by reaction of tris(dimethylamino)silylamine H2NSi(NMe2)3 with poly(isopropyliminoalane) (HAlNiPr)6. The molecular structure of 1 was determined and discussed ...

We have reported synthesis of a novel 1,2,3-triazole conjugate of lithocholic acid by 1,3-dipolar cycloaddition reaction. The molecular properties such as geometry, conformations, bond lengths and dihedral angles were investigated theoretically. The bond order analysis was performed using Wiberg...