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1,8-Dihydroxyanthraquinone anchored on silica gel: synthesis and application as solid phase extractant for lead(II), zinc(II) and cadmium(II) prior to their determination by flame atomic absorption spectrometry
(2002)A new chelating matrix has been prepared by immobilizing 1,8-dihydroxyanthraquinone (DHAQ) on silica gel modified with (3-aminopropyl)triethoxysilane. After characterizing the matrix with thermogravimetric analysis (TGA), ... -
1D and 2D NMR studies of N-vinylcarbazole/butyl methacrylate copolymers
(2003)Copolymers containing N-vinylcarbazole (V) and butyl methacrylate (B) units of different compositions were synthesized and their compositions were determined from quantitative 13C{1H} NMR spectroscopy. The reactivity ratios ... -
2-(2-{Diphenylarsino}ethyl)-1,3-dioxane (L1) and 2-(diphenylarsinomethyl)tetrahydrofuran (L2) and their palladium(II), platinum(II) and mercury(II) complexes: synthesis and crystal structures of [PdBr2(L1)2] and [HgBr2(L2)]2
(1999)Novel and potentially hemilabile ligands of (As, O) type, 2-(2-{diphenylarsino}ethyl)-1,3-dioxane (L1) and 2- diphenylarsinomethyl)tetrahydrofuran (L2), are synthesised by reacting Ph2AsLi generated in situ under a nitrogen ... -
2-(4-Ethoxyphenlytelluromethyl)tetrahydro-2H-pyran (L1) and 2-(2-{4-ethoxyphenyl}telluroethyl)-1,3-dioxane (L2): synthesis, reactions of L1 with iodine and ligation of L1 with Ru(II), Cu(I), and Hg(II) and L2 with Ru(II). Crystal structures of [RuCl2(p-cymene)·L1/L2]
(2001)2-(4-Ethoxyphenlytelluromethyl)tetrahydro-2H-pyran (L1) and 2-(2-{4-ethoxyphenyl}telluroethyl)-1,3-dioxane (L2) have been synthesized by reacting in situ generated ArTe−Na+ with an appropriate organic halide. The reaction ... -
2-(Phenyltelluromethyl)tetrahydrofuran (L1) and 2-(2-{4-methoxyphenyl}telluroethyl)-1,3- dioxolane (L2) and their palladium(II) and platinum(II) complexes
(1997)The nucleophile [ArTe-] generated/n situ borohydride solution of Ar2Te2, reacts with 2-(chloro-methyl)tetrahydrofuran and 2-(2-bromoethyl)- 1,3-dioxolane resulting in L and L 2, respectively. The complexes of palladium(II) ... -
2-[2-(4-Methoxyphenyltelluro)ethyl]thiophene (L1) bis[2-(2-thienyl)ethyl] telluride (L2) and their metal complexes; crystal structure of trans-dichlorobis{2-(2-(4-methoxyphenyltelluro)ethyl)thiophene-Te} palladium(II) and {bis[2-(2-thienyl)ethyl] telluride}dichloro(p-cymene)ruthenium(II)
(2004)The reaction of ArTe− (Ar=4-MeOC6H4) and Te2− generated in situ by borohydride reduction of Ar2Te2 and Te, respectively, with 2-(2-thienyl)ethyl chloride has resulted in 2-[2-(4-methoxyphenyltelluro)ethyl]thiophene (L1) ... -
2D-simulation and analysis of lateral SiC N-emitter SiGe P-base Schottky metal-collector (NPM) HBT on SOI
(2003)We report a novel BiCMOS compatible lateral SiC N-emitter, SiGe P-base Schottky metal-collector NPM HBT on SOI. The proposed lateral NPM HBT performance has been evaluated in detail using 2-dimensional device simulation ... -
3-(4-Methoxyphenyltelluoro)propane-1,2-diol—synthesis and reactions with mercury(II), palladium(II) and platinum(II) halides
(1994)The reaction of ArTe− Na+ (Ar = 4-MeOC6H5), generated in situ by borohydride reduction of Ar2Te2 under a nitrogen atmosphere, with CH2OH·CHOH·CH2Cl gave 3-(40methoxyphenyltelluro)propane-1,2-diol (1). The reactions of 1 ... -
A 3.3 V compatible 2.5 V TTL-to-CMOS bidirectional I/O buffer
(2000)Design of a 3.3 V compatible 2.5 V TTL-to-CMOS bidirectional I/O buffer is proposed. Gate oxide protection was implemented without active voltage degradation, which reduces static and dynamic current levels and improves ... -
8-Hydroxyquinoline anchored to silica gel via new moderate size linker: synthesis and applications as a metal ion collector for their flame atomic absorption spectrometric determination
(2003)The silica gel modified with (3-aminopropyl-triethoxysilane) was reacted with 5-formyl-8-hydroxyquinoline (FHOQx) to anchor 8-quinolinol ligand on the silica gel. It was characterised with cross polarisation magic angle ... -
Abductive formalism for two-dimensional object recognition
(1993)This paper presents an abductive formalism for interpreting images of multi-object scenes in terms of objects expected in the scenes. The inferencing scheme provides a mechanism for integrating relational feature-based ... -
Abrasive wear performance of various polyamides
(2002)Polyamides (PAs) form a major class of tribo-polymers used in almost all types of wear situations. They excel most of the engineering polymers especially in the case of abrasive wear performance. Since methylene (---CH2---) ... -
Absorption-based fiber optic surface plasmon resonance sensor: a theoretical evaluation
(2004)In this paper, an optical absorption based fiber optic surface plasmon resonance (SPR) sensor has been studied theoretically. The theoretical treatment is based on Kretschmann’s SPR theory and the Lorentz model that expresses ... -
Accelerating emulation for rapid design space exploration of on-chip networks
(IIT Delhi, 2013) -
Accelerating lead molecule discovery for protein targets via sanjeevini server
(IIT Delhi, 2014)