Sheikh Zahir Raihan

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Arsenic causes oxidative stress in the body. Its administration (3 mg/kg/day) for 14 days in rabbits resulted in a significant reduction of whole blood glutathione (GSH), and elevation of thiobarbituric acid reactive substances (TBARS) and the index of nitrite/nitrate (NOx) levels. These are the markers of oxidative stress. Both black tea (BT) and green tea(More)
Solvent partitioning followed by column chromatography of the MeOH extract of the seeds of Swietenia mahagoni afforded two limonoids, swietenolide (1) and 2-hydroxy-3-O-tigloylswietenolide (2). The compounds were identified by spectroscopic means. The antibacterial activity of these compounds was assessed against eight multiple-drug-resistant bacterial(More)
The incidence of infections due to extended-spectrum β-lactamase (ESBL)-producing Escherichia coli has been increased dramatically in recent years. Treatment is difficult because of frequent multidrug resistance. To identify the sensitivity of commonly used antibiotics, 36 ESBL producing E. coli strains were isolated from young adult female patients in a(More)
Injection use problem in the hospitals of upazilla health complexes (UHCs) of Dhaka and Noakhali districts was studied through small group discussion with the health personnel of each the UHCs. The group discussion revealed that in the hospitals of UHCs of Dhaka, the antibiotic injections were used in 70% to 100% of the encounters in ARI/pneumonia. In(More)
The objectives of the present study were to investigate phytochemical screening and to assay cytotoxicity and antibacterial activities of ethanolic extracts of leaves of two medicinal plants, Aglaonema hookerianum Schott (Family: Araceae) and Lannea grandis Engl. (Family: Anacardiaceae) available in Bangladesh. The brine shrimp lethality bioassay showed(More)
The crude ethanolic extracts of Clerodendrum indicum Linn. leaves were investigated for possible antinociceptive activity using acetic acid induced writhing model in mice. Phytochemical analysis was also carried out according to the standard procedures to identify the presence of different phytoconstituents in the ethanolic extract of the plant leaves. The(More)
Salbutamol is a short-acting β2-adrenergic receptor agonist used for the relief of bronchospasm such as asthma and chronic obstructive pulmonary disease (COPD). It is mostly taken through an inhaler device. The comparative toxicity assessment between two salbutamol sulfate preparations containing hydrofluoroalkane (HFA) metered dose inhalers with 100 μg per(More)
BACKGROUND In this ethnopharmacological study, methanolic extract of the aerial plant parts of Phragmites karka (Family: Poaceae) and its petroleum ether and carbon tetrachloride fractions were investigated for bioactivities in Swiss-albino mice, namely, analgesic, central nervous system (CNS) depressant, hypoglycemic, and antidiarrheal activity. METHODS(More)
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