Selvaraj Jubie

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Chitosan adsorbed microspheres containing tetanus toxoid were prepared in the size range of 10 mum to 75 mum, by emulsion-cross linking technique at different speeds of agitation. The amount of tetanus toxoid incorporated into chitosan microspheres were estimated by limes flocculation test and in vivo evaluation of tetanus toxoid adsorbed chitosan(More)
Stearic acid, a saturated fatty acid was isolated from the microalga Spirulina platensis. Some novel stearic acid analogues having 1,3,4-oxadiazole, 1,2,4-triazole and 1,2,4-triazolo-[3,4-b]-1,3,4-thiadiazole are synthesized and characterized by IR, NMR and mass spectral analysis. All the synthesized compounds were screened for antimicrobial activity by(More)
The basic nucleus 4-(amino)-5-phenyl-l-4H-1,2,4-triazole-3-thiol was prepared by cyclisation of potassium dithiocarbazinate with hydrazine hydrate using water as solvent under reflux condition for 3-4 h. The compound which has been synthesized successfully was subjected to addition reaction with different aldehydes to synthesize Schiff bases. The compounds(More)
Quinoxaline-2, 3-dione obtained from cyclocondensation reaction of o-phenylene diamine with oxalic acid was reacted with three different ketones and formaldehyde to give the corresponding Mannich bases in satisfactory yield. Their structures were confirmed by using (1)H NMR, IR, and mass analysis. In pharmacological evaluation, the synthesized compounds(More)
GyrB and ParE are type IIA topoisomerases and found in most bacteria. Its function is vital for DNA replication, repair and decatenation. The highly conserved ATP-binding subunits of DNA GyrB and ParE are structurally related and have been recognized as prime candidates for the development of dual-targeting antibacterial agents with broad-spectrum(More)
A series of 9-anilinoacridines substituted with oxazine derivatives were synthesized to evaluate their antioxidant and anticancer activity against Daltons Lymphoma Ascites (DLA) cell growth by in vitro method. It was revealed that these conjugates exhibited significant antioxidant and anticancer activity (inhibition of DLA cell proliferation). Among these(More)
BACKGROUND Isolation of methyl gamma linolenate from Spirulina platensis using flash chromatography and its apoptosis inducing effect against human lung carcinoma A- 549 cell lines. METHODS Gamma linolenic acid is an important omega-6 polyunsaturated fatty acid (PUFA) of medicinal interest was isolated from microalgae Spirulina platensis using flash(More)
A rapid and accurate high performance reverse phase liquid chromatography has been developed for the simultaneous determination of rabeprazole and domperidone in pharmaceutical dosage forms. Chromatography was carried out on a C-18 column (4.6 mm × 250 mm, 5 μm) using a mixture of phosphate buffer (pH 7.4) and acetonitrile in the ratio of 65:35 (v/v) as the(More)
Preparation of some novel heterocyclic compounds with long alkyl and alkenyl chain of cytotoxic activity. Gamma linolenic acid, a poly unsaturated fatty acid and stearic acid, a saturated fatty acid were isolated from the microalga Spirulina platensis. Some novel gamma linolenic acid and stearic acid analogues having 1,3,4-oxadiazole and 1,2,4-triazole were(More)
A convenient synthesis of novel isoxazole-substituted 9-anilinoacridine derivatives 5a-j was reported. The compounds were confirmed by physical and analytical data and screened for in vitro antioxidant activity by DPPH method, reducing power assay and total antioxidant capacity method. The cytotoxic activity of the compounds was also studied in HEp-2 cell(More)