نتایج جستجو برای: and sr18 with 139 μg ml
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Background: Mostly seen toxicities following vancomycin are ototoxicity and nephrotoxicity. We here report a very low birth weight preterm neonate who developed severe episodes of apnea after accidental iatrogenic vancomycin overdose, responsive to treatment with double volume exchange transfusion. Case report: A preterm neonate weighing 1380 grams received two doses of 10-fold of the normal do...
Introduction: Essential oils and extracts from medicinal plants are regarded as natural food preservatives and health promoting drugs. Considering their antioxidant activity, most of them can prevent oxidative stress. The present study was aimed to evaluate free radicals scavenging activity of essential oils and different fractions of methanol extracts from cinnamon, pennyroyal, black cumin, sa...
in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...
The majority of the antioxidant and antidiabetic activities of fruits are anthocyanins, a group of polyphenolics that are responsible for the color of many fruits, vegetables and flowers. The harvesting time, storage conditions, maturity, extraction steps etc. are very important for the biological activities based on the alteration of chemical composition. The free radical scavenging and antidi...
gc-fid and hplc-dad were developed for determination of menadione (mn) and menadione sodium bisulphite (msb). by means of each method, quantitative analysis of msb in commercial pharmaceutical was performed in both direct analysis of msb and analysis of mn by converting msb to mn with sodium carbonate. gc-fid method was carried out on the hp-5 capillary column using nitrogen gas. hplc-dad metho...
Numerous studies have been focused on natural anticarcinogenic agents. Many antioxidants have been identified as anticarcinogens. Antimutagens have also been proposed as cancer chemopreventive agents. The use of natural products as anticancer has a long history that began with traditional medicine. The aim of this study was to evaluate cytotoxicity and antioxidant activity of twenty-three plant...
after the soviet union dissolution, a chaotic period was begun in the russia. russia lost its glory and felt disgrace. the first group of elites came to power under yeltsin; they tried to re-define russia’s identity as a european country and build a foreign policy on this baseline. therefore russia tried to become closer with the west especially with the u.s. according to their view the sovie...
oxidative addition reactions of 1,4-diiodo-butane and 1,3-diiodo-propane with [ptme2(ph2phen)]; in which ph2phen=4,7-diphenyl-1,10-phenanthroline, were studied in different solvents such as acetone and benzene.oxidative addition reaction of [pt me2(ph2phen)] with i(ch2)4i and i(ch2)3i produced the [pt me2i(ch2)4(ph2phen)i] (1a) and [pt me2i(ch2)3(ph2phen)i] (1b).all the platinum (iv) products w...
a chemiluminescence (cl) method has been developed for the determination of hydroxyzine (hyd) and its metabolite cetirizine (cet). the method is based on sensitizing effect of cet and hyd on the weak cl reaction between ru(phen)32+ and acidic ce(iv). a mechanism for the cl reaction has been proposed on the basis of uv-vis, fluorescent and cl spectra. by using the recommended procedure, the cali...
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