14 Result(s)

Article

Synthesis, size characterization and catalytic activities of transition metal oxide nanoparticles towards degradation of norfloxacin, oxytetracycline and lincomycin drugs based on H₂O₂ in aqueous medium

Metal oxide nanoparticles CuO, NiO and Fe₂O₃ are synthesized and size characterized using HRTEM, FESEM and XRD measurements. Ecofriendly biopolymers such as polyethylene glycol (PEG) and carboxymethyl cellulose (...

L. Parimala, J. Santhanalakshmi in Reaction Kinetics, Mechanisms and Catalysis (2014)

Article

CuO nanoparticles with biostabilizers for the catalytic decolorization of bromocresol green, crystal violet, methyl red dyes based on H₂O₂ in aqueous medium

Ecofriendly biopolymers such as polyethylene glycol (PEG), carboxy methyl cellulose (CMC), starch (STA) were used as the stabilizers in the preparation of CuO nanoparticles. The sizes of CuOnps were characteri...

L. Parimala, J. Santhanalakshmi in Reaction Kinetics, Mechanisms and Catalysis (2013)

Article

The copper nanoparticles catalysed reduction of substituted nitrobenzenes: effect of nanoparticle stabilizers

Copper nanoparticles are prepared and size characterized using FESEM and HRTEM. Poly ethylene glycol (PEG), carboxy methyl cellulose (CMC) and poly N vinyl pyrrolidone (PVP) are used as the nanoparticle stabilize...

J. Santhanalakshmi, L. Parimala in Journal of Nanoparticle Research (2012)

Article

Reactive template method for the synthesis of Pd nanoparticles supported PoPd hollow spheres for electrochemical oxidation of ascorbic acid

Poly(o-phenylenediamine) (PoPD) hollow spheres have been successfully synthesized by facile monomer droplet template method. The structure, morphology and electrochemical properties of the resultant PoPD hollo...

D. Manoj, D. Satheesh, J. Santhanalakshmi in Transactions of the Indian Institute of Metals (2011)

Article

Mono and bimetallic nanoparticles of gold, silver and palladium-catalyzed NADH oxidation-coupled reduction of Eosin-Y

Mono metallic (Au, Ag, Pd) and bimetallic (Au–Ag, Ag–Pd, Au–Pd) with 1:1 mol stoichiometry, nanoparticles are synthesized using one-pot, temperature controlled chemical method using cetyltrimethylammonium brom...

J. Santhanalakshmi, P. Venkatesan in Journal of Nanoparticle Research (2011)

Article

Antipyrilquinoneimine dye formation by coupling aniline derivatives with 4-aminoantipyrine in the presence of ruthenium nanoparticles

The coupling of 4-aminoantipyrine (4-AAP) with aniline derivatives catalyzed by ruthenium nanoparticles (Rnp) has been studied by UV-Vis spectroscopy in aqueous medium. The rate constant for antipyrilquinoneim...

J. Kasthuri, J. Santhanalakshmi, N. Rajendiran in Journal of the Iranian Chemical Society (2008)

Article

Small-angle neutron scattering study of sodium cholate and sodium deoxycholate interacting micelles in aqueous medium

Small angle neutron scattering (SANS) measurements of D₂O solutions (0.1 M) of sodium cholate (NaC) and sodium deoxycholate (NaDC) were carried out atT= 298 K. Under compositions very much above the critical mice...

J Santhanalakshmi, G Shantha Lakshmi, V K Aswal, P S Goyal in Journal of Chemical Sciences (2001)

Article

Small-angle neutron scattering study of the effect ofn-alkanols on interacting micelles

Small-angle neutron scattering cross-section distributions of sodium dodecyl sulphate (SDS) and dodecyl trimethyl ammonium bromide (DTAB), each 0·3 M in D₂O were obtained in the absence and presence of 0·1 M 1-pe...

J Santhanalakshmi, P S Goyal, V K Aswal… in Proceedings / Indian Academy of Sciences (1999)

Article

Surfactant-induced stabilization of four-coordinated hemes in reconstituted hemoglobins

A transition from 5-coordination to 4-coordination metal centres of porphyrins in carbonmonoxy Fe(II), Cu(II) and Ni(II) hemoglobins is observed as a consequence of ionic surfactant interactions with metallopr...

B Venkatesh, S Ramasamy, V Swarnalatha… in Proceedings of the Indian Academy of Scien… (1999)

Article

Solvent effects on reverse micellisation of Tween 80 and Span 80 in pure and mixed organic solvents

Reverse micellisations of nonionic surfactants (Tween 80 and Span 80) in various pure nonaqueous solvents like carbontetrachloride, benzene, toluene, chloroform, cyclohexane and xylene, and in mixed solvent sy...

J Santhanalakshmi, S I Maya in Proceedings of the Indian Academy of Scien… (1997)

Article

Formations of polyvinyltoluene microlatexes in quaternary oil in water cetyltrimethylammonium bromide microemulsions

Polymerization of vinyltoluene (VT) in quaternary microemulsions containing cetyltrimethylammonium bromide (CTAB) as the cationic surfactant is studied using laser Raman spectroscopy (LRS) and dilatometry. The...

J. Santhanalakshmi, K. Anandhi in Colloid and Polymer Science (1996)

Article

Physico-chemical studies on synthetic disordered Ni-Fe layered double hydroxides

T. Raja, J. Santhanalakshmi in Journal of Materials Science Letters (1996)

Article

Adsorption studies of acetic acid dimers on activated charcoal from organic solvents

Acetic acid exists as dimers in organic solvents like benzene, toluene and xylene. Adsorption of dimeric acetic acid on activated charcoal (AC) at various temperatures from benzene, toluene and xylene solution...

J. Santhanalakshmi, S. Balaji… in Proceedings of the Indian Academy of Scien… (1994)