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ORAL LIPID BASED DRUG DELIVERY SYSTEM: A REVIEW
In the recent progressive era of pharmaceutical technology, newly investigated most of the drugs come under BCS class II and IV having low solubility as well bioavailability. The drugs are not suitable candidate for the conventional oral delivery of drug. The reason is that the drugs are not able to dissolve in aqueous environment of GI (gastrointestinal) tract. Poor water solubility of drug is ch...
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A VALIDATED RP- HPLC METHOD FOR THE SIMULTANEOUS ESTIMATION OF PARACETAMOL AND NAPROXEN IN TABLET FORMULATION
The study describes a validated reverse-phase HPLC method for the simultaneous estimation of paracetamol and naproxen in bulk and in tablet formulation. The proposed RP-HPLC method utilizes Eclipse XDB C18 column (150 ×4.6 mm i.d., 5 μm), optimum mobile phase consisted of gradient run of initial ratio of water (pH-2.5 adjusted with orthophosphoric acid): acetonitrile (87:13) with the effluent fl...
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PREPARATION OF CARBAPOL COATED NANOPARTICLES BY EMULSION POLYMERIZATION TECHNIQUE
Nowadays there has been considerable interest in developing new routes alternative to injection for delivering macromolecules such as proteins and peptides. However, peptides and protein drugs are degraded before they reach the blood stream and can not cross the mucosal barrier. The mucoadhesive polymer coated nanoparticles can solve these problems. They were prepared by emulsion polymerization. M...
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SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL SCREENING OF 3-(1H-BENZO[d]IMIDAZOL-2-YLSULFANYL) METHYL-4-[PHENOXY(PHENYL) ACETAMIDO)-5-MERCAPTO-1,2,4-TRIAZOLE AND RELATED ARYLOXY COMPOUNDS
A series of new 1H-benzo[d]imidazole derivatives of 3, 4-substituted triazole. 3-(1H-Benzo[d]imidazol-2-ylsulfanyl) methyl-4-[phenyloxy(phenylacetamido)]-5-mercapto-1,2,4-triazole and related aryloxy compounds were synthesised, analysed and characterised by FTIR, 1HNMR and elemental analysis. These compounds were screened for antibacterial and antifungal activity. The antibacterial activities were...
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NON-PROLIFERATIVE ACTIVITY OF SAPONINS ISOLATED FROM THE LEAVES OF GYMNEMA SYLVESTRE AND ECLIPTA PROSTRATA ON HEPG2 CELLS- IN VITRO STUDY
The non-proliferative activity of isolated saponins, gymnemagenol (C30H50O4) from Gymnema sylvestre and dasyscyphin C (C28H40O8) from Eclipta prostrata leaves were tested under on HepG2 cells under in vitro conditions. Both gymnemagenol and dasyscyphin C exhibited non-proliferative activity on HepG2 cells at 24 h with the IC50 value of 18.5 and 23.5μg/ml respectively. 5-Fluorouracil (5FU) a posit...
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A KINETIC AND MECHANISTIC APPROACH TO PROTECTION AND REPAIR OF TERT-BUTOXYL RADICALS INDUCED URACIL RADICALS BY CHLOROGENIC ACID
The rates of oxidation of uracil and chlorogenic acid (CGA) by tert-butoxyl radicals have been studied by measuring the absorbance of uracil at 258 nm and CGA at 328 nm spectrophotometrically. tert-butoxyl radicals are generated by the photolysis of tert-butyl hydroperoxide in presence of tert-butyl alcohol to scavenge ·OH radicals. The rates and the quantum yields (f) of oxidation of CGA by t-Bu...
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POLY (METH) ACRYLATES NANOSPHERES OF CENTRALLY ACTING ANALGESIC DRUG FOR POSTOPERATIVE PAIN: IN-VITRO AND IN-VIVO CHARACTERIZATION STUDY
Postoperative pain management is prerequisite element for care of surgical patient. Objective of this study was to develop and evaluate nefopam hydrochloride loaded poly (meth) acrylates nanospheres (NFH-NS) for post-incisional pain treatment. Nefopam hydrochloride (NFH) is a centrally acting, non-opioid analgesic exclusive for treatment of post-incisional pain. NFH-NS were fabricated using eudrag...
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PHYTOCHEMICAL INVESTIGATION AND HEPATOPROTECTIVE EFFECT OF SCOPARIA DULCIS AGAINST CARBON TETRACHLORIDE INDUCED LIVER DAMAGE IN RATS
The objective of the present study is to carry out the photochemical investigation and hepatoprotective activity study of different extracts of Scoparia dulcis. Scoparia dulcis Linn. belongs to the family Scrophulariaceae and have ruminate medicinal properties. The different extracts of this plant were prepared by successive extraction with petroleum ether, chloroform and ethanol. These extracts (...
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SYNTHESIS AND ANTIMICROBIAL EVALUATION OF CHROMONES BEARING 1, 5-BENZO THIAZEPINYL MOIETY
1, 5-Benzothazepinyl chromones were synthesized starting from 2, 4-diacyl phenol. The 2, 4-diacyl phenol was condensed with aryl aldehydes to obtain bis-chalcones1a-d. The bis-chalcones on cyclocondensation with equimolar amount of 2-aminothiophenol gave 1, 5-benzothiazepinyl chalcones2a-d. The chalcones on oxidative cyclisation in DMSO - I2 yielded the titled compounds3a-d. The microbial evaluati...
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MEDICINAL PLANTS AND PHYTOCHEMICALS AGAINST PSEUDOMONAS AERUGINOSA QUORUM SENSING
Medicinal plants are significantly used in the cure of various ailments from ancient times. Literature suggests that traditional medicinal plants from Fabaceae, Lamiaceae, Myrtaceae, and Anacardiaceae, Combretaceae family are widely studied, and they potentially inhibit quorum sensing, a bacterial communication mechanism that leads to the pathogenesis. Plants such as Anogeissus leiocarpus, Brassia...
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