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SYNTHESIS AND CHARACTERIZATION OF PVA BASED POLY (ACRYLIC ACID – CO – ACRYLAMIDE) SUPER POROUS HYDROGELS COMPOSITES
The aspiration of the coeval cramming is connate with the entirety of second generation Super Porous Hydrogel Composites (SPHCs) with polyvinyl alcohol as a melded material. Conglomerates were unified by proving gas fanning approach. For coalescence, 50% Acrylamide solution (AM) and 50% Acrylic Acid solution (AA) were used as a monomer, 2.5% N, N’-methylene bisacrylamide (BIS) as a cross linker,...
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EVALUATION OF MOI GUM IN THE FORMULATION OF CONTROLLED RELEASE MATRIX TABLETS USING LOSARTAN POTASSIUM
Matrix tablets were developed using moi gum for investigating its suitability for the controlled release using losartan potassium as a model drug. Tablets were prepared by direct compression method. Lactose and dibasic calcium phosphate (DCP) were used as channelling agents. In-vitro studies were performed in 0.1N hydrochloric acid for the first two hours and pH 6.8 phosphate buffer for the next t...
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PEGINESATIDE- A NOVEL ERYTHROPOIETIN MIMETIC AGENT FOR THE TREATMENT OF ANAEMIA IN CHRONIC RENAL FAILURE PATIENTS
Anaemia associated with chronic kidney disease (CKD) affects the overall health of the patients leading to increased morbidity and mortality. Erythropoietin stimulating agents (ESAs) have been the standard of care for the treatment of such patients since last 20 years. These agents have the potential to increase mean haemoglobin levels in both pre dialysis and dialysis maintenance phases hence low...
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TARGETED DELIVERY OF CATALASE TO MACROPHAGES BY USING SURFACE MODIFICATION OF BIODEGRADABLE NANOPARTICLE
Reactive oxygen species (ROS) produced by activated macrophages play a major role in causing liver disorders. Small antioxidants and scavengers are protective only at very high concentrations and they poorly detoxify toxic ROS. Catalase (CAT) is an antioxidant enzyme that scavenges ROS and has great potential for treating liver disorders. In the present research work, gelatin nanoparticles bearing...
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EFFECT OF NIMODIPINE ON NOCICEPTIVE PAIN AND ITS INTERACTION WITH OPIOID ANALGESICS IN RATS
Objective: To explore the effect of nimodipine on nociception and on opioid-induced antinociception in rats by using the tail-flick method. Method: Sixty albino rats were used for the study. The tail-flick method was used to induce nociception in rats. Analgesic effect of nimodipine was evaluated by using three graded doses (200 mcg/kg, 400 mcg/kg, and 800 mcg/kg). To study the effect of nimodipin...
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ACECLOFENAC ENCAPSULATED ETHANOLIC NANO-VESICLES FOR EFFECTIVE TREATMENT OF OSTEOARTHRITIS
In the present study, ethanolic nanovesicles of Aceclofenac developed for the site specific delivery to joints for effective treatment of osteoarthritis. Ethanolic nano-vesicles were prepared by solvent dispersion method. Vesicles were characterized for vesicular size, surface morphology, size and size distribution, zeta potential, entrapment efficiency. Formulations were also evaluated for drug-v...
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THE IN-VITRO ANTI-DENATURATION EFFECTS INDUCED BY SUBSTITUTED OXY/THIOXY PYRIMIDINE DERIVATIVES IN BOVINE SERUM ALBUMIN IS PROPOSED AS A SCREENING ASSAY FOR THE DETECTION OF ANTI-INFLAMMATORY COMPOUNDS WITHOUT THE USE OF ANIMALS
A series of novel 2-{[6-(2-substituted Phenyl)-2-oxo-1, 2-dihydropyrimidin -4-yl]oxy} benzoic acid (2a-b)/ 2-{[6-(2-substituted Phenyl)-2 thioxo-1, 2-dihydropyrimidin-4-yl]oxy} benzoic acid (2c-d) were synthesized and tested for their in-vitro protein denaturation activity. Compound 2d was found to be promising and was more potent than the Acetylsalicylic acid (NSAID) in the inhibition of Bovine s...
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IN VITRO ANTI-INFLAMMATORY ACTIVITY OF VARIOUS EXTRACTS OF LEAF AND BARK OF HOLOPTELIA INTEGRIFOLIA PLANCH
The different extracts of leaf and bark of the plant Holoptelia integrifolia were investigated for in-vitro anti-inflammatory activity by human red blood cell membrane stabilization (HRBC) method. The HRBC membrane stabilization activity of the petroleum ether extract of leaf at the concentration of 200 mg/ml showed 68.12+/-1.05 % and petroleum ether extract of bark at the concentration of...
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STUDY OF THE ANTI-TUMOR ACTIVITY OF SYNTHETIC PYRIDO [2,3-d]PYRIMIDINES, PYRIMIDINES AND CORRESPONDING CHALCONE DERIVATIVES
Chalcones (3a-m) was prepared by condensing 4-aminoacetophenone (1) with various aromatic aldehydes (2a-m) according to Claisen-Schmidt condensation. These 4-aminochalcones on cyclization with guanidine hydrochloride under basic alcoholic conditions gave 2,4,6-trisubstituted pyrimidines 4a-m with quantitative yields. Novel 4-amino-5,7-disubstituted pyrido[2,3-d]pyrimidines 6a-g were synthesized vi...
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ROLE OF LIQUID MEMBRANE HYPOTHESIS IN THE MECHANISM OF ACTION OF ERTAPENEM
The role of liquid membrane hypothesis has been studied in the mechanism of action of Ertapenem. In the present study transport of selected permeants (glucose, p-amino benzoic acid and ions like magnesium, ammonium, phosphate, calcium, sodium, potassium and chloride) through liquid membrane generated by Ertapenem in series with supporting membrane has been studied. The results indicate that the li...
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