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SENSITIVE, HIGH-THROUGHPUT AND ENANTIOSELECTIVE QUANTITATION OF ZOPICLONE IN HUMAN PLASMA BY LCMS/MS: APPLICATION TO A HUMAN PHARMACOKINETIC STUDY
Zopiclone (ZPC), a cyclopyrrolone derivative, is a short-acting hypnotic agent. Its pharmacological properties include hypnotic, sedative, anxiolytic, anticonvulsant and muscle-relaxant actions. ZPC has a single chiral centre, and its enantiomers are S-zopiclone (S-ZPC) and R-zopiclone (R-ZPC). S-ZPC was adjudge to possess two- fold enhanced pharmacological activity than racemate (ZPC) while its o...
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SYNTHESIS AND EVALUATION OF MESOPOROUS SILICA NANOPARTICLES (MSN) LOADED COX-II INHIBITOR – MELOXICAM FOR TARGETED COLORECTAL CANCER TREATMENT
Polymer functionalised mesoporous silica nanoparticles hold great promise to enhance drug targeting and cell internalisation for cancer cells. Since the presence of abundant folate receptors on cancer cells, folic acid functionalised mesoporous silica nanoparticles (MSN) were used as folate marker and polyethyleneimine was used to improve cell internalisation. Meloxicam was loaded into the pores o...
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PHYTOCHEMICAL SCREENING AND BIOLOGICAL STUDIES ON THE LEAVES OF TINOSPORA CORDIFOLIA
Helminthiasis is also known as worm infection and a endoparasitic disease of humans and other animals in which a part of a body is infected with parasitic worms. Tinospora cordifolia is a well known medicinal plant and widely used in folk medicine ayurvedic system. The objective of this work is to carry out phytochemical screening and in vitro anthelmintic activity of methanolic, petroleum ether a...
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DESIGN AND EVALUATION OF LAMOTRIGINE ORAL SUSTAINED RELEASE TABLETS
Objective: The objective of the study is to design and evaluate oral sustained release tablet of lamotrigine using polymer such as HPMC K 4M, HPMC K 100M and methocel E50 LV at 15%, 25%, and 35% Concentration range. Methods: All the selected ingredients were weighed and passed through 40# sieve, blended in a Poly Bag except Magnesium Stearate for 10 minutes. The resultant mixture was made in to...
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ANATOMICAL CHARACTERIZATION AND MICROCHEMISTRY OF VISMIA GUIANENSIS (AUBL.) CHOISY (CLUSIACEAE) BLADE LEAF
Vismia guianensis (Aubl.) Choisy is a tree that belongs to the secondary vegetation in rainforests. This study aimed to perform anatomy analysis by light microscopy; scanning and microchemistry of the leaves of V. guianensis. Tri stratified upper epidermis with intense cutinization and unistratified inferior epidermis was observed. The stomata found are paracytic and the trichomes arranged in rose...
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1578
CHOLESTEROL ESTERASE ENZYME INHIBITORY AND ANTIOXIDANT ACTIVITIES OF LEAVES OF CAMELLIA SINENSIS (L.) KUNTZE. USING IN VITRO MODELS
The present study was to evaluate the in vitro cholesterol esterase enzyme inhibitory and in vitro antioxidant activity of the methanol extract of the leaves of Camellia sinensis (L.). Phytochemical screening of the extract shows the presence of flavonoids, phenolics and terpenoids. The extract shows ability to inhibit the enzyme with IC50 (82.46±0.74µg/ml) whereas that of standard, Orlistat (...
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EVALUATION OF ANTI-NOCICEPTIVE AND ANTI-PYRETIC ACTIVITY OF AERVA PSEUDOTOMENTOSA LEAVES AQUEOUS EXTRACT
Aerva pseudotomentosa Blatt. & Hallb. (Amaranthaceae) is arid region plant commonly known as Bui. It is used in ethno medicinal practices for the treatment of pain and inflammatory hyperalgesic disorders such as rheumatic pain, fever, inflammation, wounds and urinary disorders. This study was conducted to evaluate the anti-nociceptive, antipyretic effects of A. pseudotomentosa leaves aqueous e...
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SYNTHESIS, CHARACTERIZATION & BIOLOGICAL STUDIES OF NEWER CLASS OF QUNINOLONE DERIVATIVES
Background: Antimicrobials are used for bacterial infections & has a great benefits in health related problems of human life. The main objectives of medicinal chemistry is synthesising and producing newer molecules having a valuable significant therapeutic action. Quinolones has a considerable scientific and clinical interest since their discovery. Objective: Quinolones class of drugs are usef...
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1892
PREVENTIVE EFFECT OF HELIX ASPERSA CRUDE EXTRACT AGAINST CHEMO-INDUCED COLONIC DAMAGES IN RATS
The present work aimed to explore in vivo the effect of Helix Aspersa Crude Extract (HACE) on the chemo-induced damages occurred in rat colon specially on the histology of the crypts foci in liberkhun glands. The toxicity of HACE was evaluated with different HACE concentrations. With the concentration of 160 mg, animals showed the best gain weight, stayed normal and all animals survived. Therefore...
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2015
EVALUATION OF BIOACTIVITIES OF TWO POLYHERBAL FORMULATIONS FOUND IN SRI LANKAN AYURVEDIC TREATMENTS
Commercially available two polyherbal formulations (Chandra Kalka and Sharkaradi Kalka) were collected from local market. The objective of this study was to determine the Total Phenolic Content (TPC) , Total Flavonoid Content (TFC) of these two ‘Kalkas’ and to investigate the existence of antioxidant, anti-inflammatory, antibacterial and anti-tyrosinase activities. Total phenolic content and t...
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