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DEVELOPMENT AND VALIDATION OF DIFFERENT SPECTROPHOTOMETRIC METHODS FOR ESTIMATION OF TENOFOVIR DISOPROXIL FUMARATE FROM BULK DRUG AND TABLETS
Simple, sensitive and accurate UV- spectrophotometric methods have been developed for the determination of an anti-HIV drug, Tenofovir Disoproxil fumarate (TDF), in raw material and in tablets. The drug shows maximum absorbance at 259 nm in selected four different media namely gastric fluid simulated (HCl) pH 1.5, vaginal fluid simulated (VFS) pH 4.2, phosphate buffer (PB) pH 6.8 and double distil...
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ANTIOXIDANT ACTIVITY OF THE ENDOPHYTIC FUNGI ISOLATED FROM MANGROVE ENVIRONMENT OF KARANKADU, RAMANATHAPURAM DISTRICT
Antioxidant property of Phomopsis amygdali culture filtrate extracted with ethanol, was evaluated in vitro. ABTS and DPPH radicals were used to evaluate their antioxidant activity. Antioxidant components like total phenol and flavonoid were also determined. The ethanolic extract of Phomopsis amygdali showed potent antioxidant activity against both ABTS and DPPH radicals with the EC50 value of 58...
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STUDY OF DIFFERENT PROCESSING PARAMETERS FOR POLYLACTIC ACID MICROSPHERES FORMULATIONS
To evaluate the effects of different processing parameters on drug-loaded microspheres, the solvent evaporation technique was chosen as the formulation method. Indomethacin-loaded Polylactic acid microspheres were prepared by varying drug masses, then by changing the stirring speed. They were analyzed for their drug content, physical morphology, size, polymer-drug physicochemical compatibility, an...
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NANOCRYSTAL SUSPENSION OF POORLY WATER SOLUBLE ANTIBACTERIAL DRUG BY HIGH PRESSURE HOMOGENIZATION TECHNIQUE USING FULL FACTORIAL DESIGN
Cefixime trihydrate belongs to third generation cephalosporin having poor water solubility. In the present study, nanocrystal suspensions of cefixime trihydrate were prepared with the objective of providing enhanced solubility and stability with reduced particle size and thus improving the bioavailability potential. Nanocrystal suspensions were prepared by high pressure homogenization technique an...
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PREPARATION AND EVALUATION OF CONTROLLED RELEASE OF BETAXOLOL HYDROCHLORIDE OCULAR INSERTS
The present work focuses on treatment of glaucoma by formulating ocular inserts of different polymeric combination and Betaxolol to enhance therapeutic effect through prolonging contact time with corneal surface, Betaxolol is a cardio selective (β1 adrenergic) receptor blocking agent. Ophthalmic betaxolol may be especially useful in the treatment of glaucoma in patient with pulmonary disease. Sus...
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STABILITY INDICATING RP-HPLC METHOD FOR COMBINATION OF AMBROXOL HYDROCHLORIDE AND LEVOFLOXACIN HEMIHYDRATE IN PHARMACEUTICAL FORMULATION
Ambroxol hydrochloride (AMB) and Levofloxacin hemihydrate (LVF) in combination were separated using Reverse-Phase - High-Performance Liquid Chromatographic (RP-HPLC) method. Mobile phase acetonitrile and 0.05 M potassium di-hydrogen orthophosphate buffer (pH 7.0 adjusted with sodium hydroxide solution) (50: 50, v/v) was selected for this chromatographic method. The separation was achieved in Zorba...
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1584
INVESTIGATION OF IN-VITRO THROMBOLYTIC AND IN-VIVO ANTIPYRETIC, ANTIDEPRESSANT POTENTIALITY AND ANALGESIC ACTIVITY WITH PHYTO-CHEMICAL NATURE OF METHANOLIC EXTRACT OF NYMPHOIDES HYDROPHYLLA
Nymphoides hydrophylla (NH) is mainly an aquatic herb of Menynthaceae family and traditionally used to treat fever, insect bites, different ulcers, and also to wash skin, where parasitic affection occurs. In this study, methanolic extract of Nymphoides hydrophylla (NH) plant was examined for the determination of thrombolytic, antipyretic, Central Nervous System (CNS) and analgesic activities. The ...
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SURVEILLANCE AND ASSESSMENT OF ADVERSE DRUG REACTIONS AND COMPARISON WITH THE RETROSPECTIVE STUDIES IN A SECONDARY CARE HOSPITAL
Adverse drug reactions are considered to be among the leading causes of morbidity and mortality. Approximately 5-25% of hospital admissions are due to ADR’s, and 6-15% of hospitalized patients experience serious adverse drug reactions (SADR’s), causing significant prolongation of hospital stay. The adverse drug reactions reported were classified based on Wills and Brown classification, Causali...
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FORMULATION AND EVALUATION OF ACECLOFENAC MATRIX TABLETS USING SOLID DISPERSED PRODUCT
Aceclofenac is a non-steroidal anti-inflammatory drug indicated for symptomatic treatment of pain and inflammation. Aceclofenac is a BCS Class II drug with low solubility and high permeability, thus solid dispersion is one of the promising techniques used for enhancement of solubility and dissolution rate. The intent of the present study was to formulate and evaluate aceclofenac matrix tablets by ...
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EXTRACTION EFFICACY, ANTIBACTERIAL POTENTIAL AND VALIDATION OF RP-HPLC COUPLED WITH DIODE ARRAY DETECTION IN HOLARRHENA PUBESCENS
A rapid, simple, sensitive and reproducible RP-HPLC method was developed for the determination of conessine (bioactive steroidal alkaloid) in Holarrhena pubescens, a highly valued medicinal plant extensively used in pharmaceuticals. Separation was achieved on Discovery (R) RP Amide C16 Supelco column (250 µm x 4.6 µm ID) using a mobile phase of acetonitrile: water (95:5 v/v) with flow rate 0.6...
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