منابع مشابه
Characterization of Polymorphic Forms of Rifaximin.
Rifaximin is a gut-selective oral antimicrobial that has no systemic adverse effects compared with placebo. It is used for the treatment of hepatic encephalopathy, traveler's diarrhea, irritable bowel syndrome, Clostridium difficile infection, ulcerative colitis, and acute diarrhea. The crystalline form present in rifaximin, α, has minimal systemic absorption compared to the amorphous form. The...
متن کاملNew Polymorphic NAND/XOR Gate
Polymorphic digital circuits are circuits composed of polymorphic (multifunctional) as well as ordinary gates. In addition to its standard logic function (such as NAND), a polymorphic gate exhibits another logic function which is activated under a specific condition, for example, when Vdd, temperature, illumination or a special signal reaches a certain level. This paper describes newly proposed...
متن کاملNew forms of employment
Coworking in Spain has experienced rapid growth since 2010, propelling it to third place in the Global Coworking Census 2013 which ranks countries based on the number of coworking centres (deskmag, 2014). The two regions that have experienced the highest increases are Madrid and Barcelona. The growth experienced by coworking centres in Spain has triggered the development of initiatives to promo...
متن کاملNew Polymorphic Forms of Pemetrexed Diacid and Their Use for the Preparation of Pharmaceutically Pure Amorphous and Hemipentahydrate Forms of Pemetrexed Disodium.
The preparation of stable amorphous pemetrexed disodium of pharmaceutical purity as well as the process optimization for the preparation of the hemipentahydrate form of pemetrexed disodium are described. Analytical methods for the polymorphic and chemical purity studies of pemetrexed disodium and pemetrexed diacid forms were developed. The physicochemical properties of the amorphous and hydrate...
متن کاملPhenobarbital-induced rat liver cytochrome P-450. Purification and characterization of two closely related isozymic forms.
The "major" phenobarbital (PB)-induced cytochrome P-450 species present in livers of male Sprague-Dawley rats was resolved into two catalytically active heme-protein fractions on diethylaminoethyl cellulose. The two species, P-450 PB-4 (Mr = 49,000) and P-450 PB-5 (Mr = 51,000), were purified to homogeneity, and their chromatographic, spectral, catalytic, and structural properties were compared...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1984
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.32.4170