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EFFECT OF DIFFERENT WAVELENGTHS OF LIGHT ON THE GROWTH OF CHLORELLA PYRENOIDOSA
Chlorella pyrenoidosa is a fresh water microalgae used as substrate for production of value added products like biodiesel. In this investigation C.pyrenoidosa was grown for ten days in an internally illuminated bubble column photobioreactor at: 450 lux green light (495–570 nm), 480 lux red light (620–750 nm), 1663 lux blue light (450–495 nm), 1986 luxwhite light (380 to 750 nm).The results...
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INDIAN NATURAL ZEOLITE CATALYZED SYNTHESIS OF β-AMINOHETERONAPTHOL AND THEIR POTENT ANTIMICROBIAL EFFICACY
A highly resourceful, elegant, simple and green technique with exceptionally facile reaction conditions of one pot three component reaction was applied to synthesized series of novel mannich base having an array of biologically and pharmaceutically active novel heterocycles. The present protocol offered a valuable alternative to known methods and will find applications in the field of green synthe...
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FORMULATION AND EVALUATION OF METOPROLOL SUCCINATE CONTROLLED RELEASE TABLETS USING NATURAL AND SYNTHETIC POLYMER
The objective of the present study to develop controlled release tablets of Metoprolol succinate using Natural polymer, guar gum and synthetic polymer, carbopol as a rate controlling polymers.. It was also desired to study the effect of polymer concentration. Metoprolol succinate, β1- selective adrenergic receptor- blocking agent used in the management of hypertension, angina pectoris, cardiac ar...
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EVALUATION OF DIURETIC EFFECT OF LYCIUM BARBARUM LINN. (GOJI BERRY) IN RATS
Wolf berries or Goji berries (Lycium barbarum L. Solanaceae) have a long tradition as food and medicinal plant. The bark of Goji berries is generally harvested in the winter season and then dried to be used for diuretic purposes. Hence, this study was designed to evaluate the possible diuretic effects of powdered L. barbarum. The study was conducted in saline primed Wistar albino rats (n=6) using ...
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A SYNERGISTIC APPROACH TO KINETIC AND MECHANISTIC STUDIES OF REGENERATION OF β-CAROTENE FROM TERT-BUTOXYL RADICAL INDUCED β-CAROTENE RADICAL CATION BY CHLOROGENIC ACID
The rates of oxidation of β-carotene and chlorogenic acid by tert-butoxyl radicals (t-BuO·) were studied by measuring the absorbance of β-carotene at 491 nm and chlorogenic acid at 328 nm spectrophotometrically. Radicals (t-BuO·) were generated by the photolysis of tert-butyl hydroperoxide (t-BuOOH) in presence of tert-butyl alcohol to scavenge OH·radicals. The rates and the quantum yields (f...
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IN-SITU OPHTHALMIC GELS FOR THE TREATMENT OF EYE DISEASES
Topical administration of a drug in the conjunctival cul-de-sac is the treatment of choice for diseases of the anterior segment of eye. Development of ophthalmic drug delivery systems has always been challenging because of the drawbacks with this route, like non-productive absorption, drainage, induced lacrimation, tear turn over, impermeability of drugs to cornea. New approaches have been investi...
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BIPHASIC ORAL SOLID DRUG DELIVERY SYSTEM: A REVIEW
The manufacture of bi-layer tablets, produced by the sequential compaction of loose powder layers has recently become of increased interest within the pharmaceutical industry due to the tailored release profiles of active ingredients that may be obtained. In a bi-layer configuration, the immediate release layer of the bi-layer tablet has worked as the loading dose and the sustained release layer h...
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QSAR STUDIES & DESIGNING OF POTENT HETEROCYCLIC COMPOUNDS AS γ-SECRETASE INHIBITORS
Quantitative structure activity relationship (QSAR) studies ware performed on series of structurally similar heterocyclic sulfonamide with enzyme gamma secretase inhibitor activity. The compounds were divided into training and test set and generated different QSAR models using V-Life MDS 3.5 software multiple linear regression (MLR) method. Best QSAR models were selected on the basis of various st...
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INVESTIGATIONS ON ANTI-DIABETIC MEDICINAL PLANTS USED BY TRIBES OF WAYANAD DISTRICT, KERALA
The present study aims to explore the ethnomedicinal knowledge of the plants and their preparations used to cure diabetes by the tribes of Mananthavady, Bathery and Vythiri taluks of Wayanad district, Kerala. Preparation of ethnomedicine using various plant parts and other information related to tribes associated; habitat, habit and status of medicinal plants recorded are highlighted. Documentatio...
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TWO NEW METABOLITES; 7β-OH-UZARIGENIN AND 7β-OH-ODOROSIDE-H; THROUGH BIOTRANSFORMATION OF UZARIGENIN AND ODOROSIDE-H
Two new cardenolide metabolites, 7β-OH-uzarigenin (1M) and 7β-OH-odoroside-H (2M) were obtained through the biotransformation of uzarigenin (1) and odoroside-H (2). Compounds 1 and 2 were isolated from the air-dried roots of Nerium oleander L. The plant, belonging to family Apocynaceae, was collected in October, 2010 from Mansoura university garden in Egypt. The methylene chloride extract of the...
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