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PYRAZOLIDINE-3, 5-DIONE AND 2-METHYL-4-OXO-4H-THIOCHROMENE-8-CARBONYL CONJUGATES: SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL SCREENING
In this study, a novel series of heterocyclic compounds containing pyrazolidine-3, 5-dione nucleus has been synthesized. The compounds were synthesized in four steps; esterification of 2-mercaptobenzoic acid in an acidic medium to yield 2-mercapto-benzoic acid ethyl ester which was cyclized using ethyl acetoacetate to form 2-methyl-4-oxo-4H-thiochromene-8-carboxylic acid ethyl ester. These were re...
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IN-VITRO EVALUATION OF THE ANTIOXIDANT POTENTIAL, TOTAL PHENOLIC AND FLAVONOID CONTENTS AND ANTIBACTERIAL ACTIVITY OF LAMIUM ALBUM EXTRACTS
Lamium album is used as a blood purifier, in the treatment of the respiratory tract diseases, diarrhea and bleeding. In this study antioxidants and anti-bacterial activities of its aerial parts and roots were investigated. Extracts were prepared by Soxhlet apparatus. Methanol used as extracting solvent. Phenol and flavonoids contents and antioxidant properties were evaluated by different methods. ...
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CHITOSAN-BASED INTRATUMORAL INJECTABLE NANOPARTICLES FOR GENE DELIVERY TO PANCREATIC CANCER CELLS
One of the obstacles to effective intratumoral gene delivery lies in low transfection efficiency of non-viral vectors. Thus, in this study we evaluate the application of Diethyl methyl chitosan (DEMC) in intratumoral gene delivery of pancreatic cancer. DEMC/ pEGFP nanoparticles are prepared by polyelectrolyte complexation. After nanoparticle characterization via atomic force microscopy (AFM), in i...
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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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SERUM LEVELS OF SELENIUM IN UNCOMPLICATED TYPE-2 DIABETIC PATIENTS AND HEALTHY INDIVIDUALS
Selenium (Se) plays a vital role in maintaining the body’s homeostasis. Selenoproteins have been found to play an integral role in the body’s defense against oxidative stress. Type-2 diabetes mellitus is considered as an inflammatory state with high oxidative load and is one of the major chronic diseases prevalent in Pakistan. Serum levels of selenium in type 2 diabetic patients and healthy in...
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FERTILITY EFFECT OF CYCAS CIRCINALIS AND IONIDIUM SUFFRUTICOSUM IN ALCOHOL INDUCED STERILITY OF MALE WISTAR RATS – AN HISTOMORPHOMETRIC STUDY
Alcohol abuse is well known to impair reproductive performances due to impaired testosterone production and testicular atrophy. Many natural nontoxic herbs were found to enhance the fertility in male. The study is done to evaluate the effect of Cycas circinalis (Cc) and Ionidium suffruticosum (Is) in improving the fertility of alcohol induced sterile male albino rats. A total of 30 healthy young m...
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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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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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ANTITUMOR POTENTIAL OF STANDARDIZED EXTRACT FROM AEGLE MARMELOS ROOT ON DALTON’S LYMPHOMA INDUCED MICE MODEL
The antitumor property of the successive, standardized methanolic (MeOH) extract of Aegle marmelos roots (MAM) was investigated in Dalton’s ascites lymphoma mice model. Materials and methods: Flavonoid present in MAM was quantitatively estimated using high performance thin layer chromatography. MAM (100, 300 mg/kg) was administered orally for 15 days to assess antitumor activity. The tumor was i...
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EFFECT OF TRIGONELLA FOENUM GRAECUM ON LACTATE DEHYDROGENASE (LDH) ACTIVITY OF BLOOD, LIVER AND PANCREAS IN NORMAL AND ALLOXAN- INDUCED DIABETIC MICE
The effect of aqueous seeds extract of Trigonella foenum graecumLinn was studied on Lactate dehydrogenase (LDH) activity of blood, liver and pancreas in normal and alloxan- induced diabetic mice. Our study showed that aqueous seeds extract, Oral administration of 50 mg/animal (0.5 ml of extract) in alternative days up to 7 days (1st, 3rd, 5th & 7th day). In alloxan induced diabetic mice, there...
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