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MICRO-COULOMETRIC ESTIMATION OF NITROFURANTOIN
The objective of the present work was to set up micro-coulometric technique in the laboratory and estimate microgram level quantity of nitrofurantoin in the pharmaceutical tablets. A simple, sensitive, and reproducible manually operated microcoulometric technique has been successfully used for the estimation of nitrofurantoin in pharmaceutical tablets. A potentostat and coulometric cell was used i...
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STABILITY INDICATING METHOD DEVELOPMENT AND VALIDATION OF REMOGLIFLOZIN ETABONATE IN BULK AND PHARMACEUTICAL DOSAGE FORM BY RP-HPLC
An accurate, precise, and simple stability-indicating and RP-HPLC method was developed and validated for the estimation of Remogliflozin Etabonate in bulk and pharmaceutical dosage forms. Primacel C18 (150 × 4.6mm, 5µm) column, with mobile phase Acetonitrile: Water (70:30, v/v) at isocratic mode, was used for the development of this method. At wavelength 280nm, and flow rate of 1ml/min was maint...
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ANTIOXIDANT ACTIVITY OF PLANTS AT CHINNATIRUPATHI, SALEM, TAMIL NADU, INDIA
This study was carried out during March - April 2013. The fresh leaves collected were extracted with water and used for antioxidant assay. Nitric oxide scavenging activity, Reducing power assay, Metal chelating activity, Phosphomolybdenum activity was assayed and also secondary metabolites such as phenol, flavonoid was estimated. These metabolites play a major role in antioxidant activity. Here,...
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SUB-CHRONIC TOXICOLOGICAL INVESTIGATION OF GMELINA ARBOREA (VERBENACEAE) IN HEALTHY WISTAR RATS
The study was designed to determine the acute and sub-chronic toxic effects of aqueous extract of Gmelina arborea (Roxb.) in healthy male Wistar rats. An aqueous bark extract of G. arborea was administered at graded doses (0.25-2.00 g/kg) to Wistar rats in the acute toxicity test. Sub-chronic toxicity was evaluated by daily administration of the extract at 1.00 g/kg to Wistar rats for 30 days. All...
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CARDIOPROTECTIVE EFFECT OF MORUS ALBA L. LEAVES IN ISOPRENALINE INDUCED RATS
The study was designed to evaluate the cardioprotective effect of methanolic extract of Morus alba L. leaves against isoprenaline- induced myocardial infarction and was investigated by an in vivo method in rats. Male Wistar albino rats were divided into four groups (n=6). Group I rats served as normal control. Group II rats served as isoprenaline induced toxic control (110 mg/kg body weight) which...
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PHYTO-CHEMICAL CONSTITUENTS FROM STEM OF TARAXACUM OFFICINALE WEBER
A new flavone glycoside 1 m. p. 223-225ºC, m. f. C34H42O20, [M+] 770 (FABMS) has been isolated from the stems of Taraxacum Officinal weber along with one known compound Taxifolin. A compound 1 was characterized as 6, 4′-dimethoxy-5, 7-dihydroxy-flavone- 7 - O - a - L-rhamnopyranosyl-(1®4) - O – β - D xylopyranosyl-(1®4)-O-β-D-glucopyranoside by various chemical degradations and spectral a...
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SYNTHESIS AND CHARACTERIZATION OF BIOLOGICALLY ACTIVE COMPOUND E-2-((2-AMINO PYRIDINE-3-YL) METHYLENE AMINO) ETHANE THIOL AND ITS METAL COMPLEXES
A new physiologically active compound E-2-((2-amino pyridine-3-yl) methylene amino)ethane thiol derived from the condensation of Cysteamine and 2-amino Pyridine 3-Carbaldehyde was synthesized and characterized by spectral techniques like IR, UV-Vis,1H- NMR, TG-DTA, ESR, CHN analyses. The complexes were further screened for their biological activity at Nishka labs and Nickel and Cobalt complexes we...
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DIAGNOSIS OF NON-POLIO ENTEROVIRAL INFECTIONS IN SEPTIC NEONATES BY POLYMERASE CHAIN REACTION ASSAYS
Objective: The purpose of this study was to investigate the prevalence of non-polio enteroviral infections by quantitative and qualitative PCR assays in neonates 3-30 days old with clinical diagnosis of sepsis. Methods: The patients included all the neonates aged 3-30 days admitted with diagnosis of neonatal sepsis. Blood specimens, throat swabs, and in 60 cases CSF specimens were tested for Enter...
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IN VITRO PROPAGATION FROM INFLORESCENCE EXPLANTS OF ANISOCHILUS CARNOSUS- AN ETHNO-MEDICINAL HERB
A protocol was devised for callus induction and in vitro micro propagation of Anisochilus carnosus. Leaf, nodal and immature inflorescence explants were cultured for callusing on solid MS medium with best callusing response achieved at higher concentrations of BAP (12mg/l) alone and in combination with 2,4-D (3mg/l) and IAA (5mg/l). Bud regeneration from inflorescence callus giving maximum (9.67±...
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THREE-DIMENSIONAL QUANTITATIVE STRUCTURE ACTIVITY RELATIONSHIP STUDIES ON DIVERSE STRUCTURAL CLASSES OF NATURAL FLAVONOIDS AS AMV AND HIV REVERSE TRANSCRIPTASE INHIBITORS USING CoMFA AND CoMSIA
In this study, comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) were performed on a series of 73 experimentally reported natural flavonoid derivatives as AMV and HIV Reverse transcriptase (RT) inhibitors with pIC50 values ranging from 4.00 to 5.92. Based on alignment, highly predictive CoMFA and CoMSIA were obtained with cross-validated q...
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