نتایج جستجو برای: hydroxy propyl methyl cellulose hpmc
تعداد نتایج: 168038 فیلتر نتایج به سال:
The directly compressible floating-bioadhesive tablets of tramadol were formulated using varying amounts Carbopol 971P (CP) and hydroxy-propylmethyl cellulose (HPMC), along with other requisite excipients. In vitro drug release profile, floatational characteristics and ex vivo bioadhesive strength using texture analyzer were determined, and systematically optimized using a 3(2) central composit...
A series of N-hydroxyformamide tumor necrosis factorconverting enzyme (TACE)/matrix metalloprotease (MMP) inhibitors were evaluated for their potential to induce human cytochrome P450 3A (CYP3A). Two in vitro assays were used: 1) a cell-based reporter gene assay for activation of the pregnane X receptor (PXR), and 2) a primary “sandwich” culture of human hepatocytes. Approximately 50 TACE/MMP i...
چکیده: در این پروژه از واکنش متیل آنترانیلات (1) با مواد مختلف محصولات گوناگونی به عنوان ضدآفتاب سنتز شده به طوری که: از واکنش متیل آنترانیلات (1) با اپی کلروهیدرین (2) و الاستین (5) محصول (methyl 2-(2-hydroxy-3-(elastin)propylamino)benzoate (7 با بازده خوب بدست آمد. از واکنش متیل آنترانیلات (1) با آلدهید (8) و الاستین (5) مشتقات (9) سنتز گردید. r` r 9 h h a oh-2-ph h b ome-2-ph h c ph...
Nine compounds, 3-hydroxy-4,5-dimethoxyphenyl-beta-D-glucopyranoside (1), beta-D-fructfuranosyl-alpha-D-(6-vanilloyl)-glucopyranoside (2), beta-D-fructfuranosyl-alpha-D-(6-syringyl)-glucopyranoside (3), 3-hydroxy-1-(4-hydroxy-3-methoxyphenyl)-2-[4-(3-hydroxy-1-(E)-propenyl)-2-methoxyphenoxy]propyl-beta-D-glucopyranoside (4), 3-hydroxy-1-(4-hydroxy-3-methoxyphenyl)-2-[4-(3-hydroxy-1-(E)-propenyl...
ME T H Y L N P R O P Y L ETHER is an isomer of di-ethyl ether and possesses the formula CHs-O(CHI)J-CHJ. The physical properties of the two drugs are similar, and the vapour pressure curve of methyl-n-propyl ether is such that it may be used in the Oxford Vaporizer No. 1 without any alteration in the calibration of the instrument (see Figure). Methyl-n-propyl ether has a very unpleasant pungent...
This study aimed to produce a gastroretentive floating tablet of Metoprolol succinate and examine the effects release retardant on in vitro drug release. is β1 selective antagonist used as an Anti-hypertensive, Antiarrhythmic, Anti Angina. has 48% oral bioavailability due limited absorption from lower gastrointestinal tract. The tablets were designed increase stomach retention, prolong release,...
The development of gluten-free bread production has drawn massive attention to decrease the number wheat imports in some developing countries and fulfilled needs people with celiac other diseases related gluten components. Since component flours taken a major role form an extensible structure dough, its removal emerged considerable issues production. Hydrocolloids are food additive which able g...
The influence of commonly used excipients, spray-dried lactose (SDL), microcrystalline cellulose (MCC), and partially pregelatinized maize starch (Starch 1500) on drug release from hydroxypropyl methylcellulose (HPMC, hypromellose) matrix system has been investigated. A model formulation contained 30%w/w drug, 20%w/w HPMC, 0.5%w/w fumed silica, 0.25%w/w magnesium stearate, and 49.25%w/w filler....
The phenol of 1-(3-(1H-imidazol-1-yl)propyl)-3-(4-hydroxy-3-methoxyphenyl)thiourea was selectively carbon-11 labelled to generate [11C]PBD150 in 7.3% yield from [11C]methyl triflate (non-decay corrected; radiochemical purity ≥95%, specific activity = 5.7 Ci/µmol, n=5). Evaluation of [11C]PBD150 by small animal PET imaging (mouse and rat) determined it does not permeate the blood brain barrier, ...
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