نتایج جستجو برای: hydroxy propyl methyl cellulose
تعداد نتایج: 167156 فیلتر نتایج به سال:
Aib α-Aminoisobutyric acid or Cα-methylalanine (αMe)Phe Cα-methylphenylalanine (αMe)Val Cα-methylvaline BOP (Benzotriazol-1-yloxy)tris(dimethylamino)phosphonium CIP 2-Chloro-1,3-dimethylimidazolidium phosphate Db z g Cα,α-dibenzylglycine Deg Cα,α-diethylglycine Dφg Cα,α-diphenylglycine Dp n g Cα,α-di-n-propylglycine EDC 1-(3-Dimethylamino)propyl-3-ethylcarbodiimide HATU 2-(1H-7-aza-1,2,3-benzot...
The mucoadhesive disks of various polymers were fabricated with objective of comparing the mucoadhesive strength and mucoretentability with the isolated DPP. The mucoadhesive polymers used in formulations were sodium carboxy methyl cellulose, carbopol (cp934), hydroxyl propyl methyl cellulose (HPMC K4M), and date palm fruit pulp polysaccharide (DPP). These formulations were characterized for ph...
The dominant onion bulb glutathione S-transferases (GSTs) (named as GSTc, GSTd and GSTe) were separated by DEAE cellulose column chromatography, and the inhibitory interactions of glutathione (GSH) derivatives (S-methyl GSH, S-propyl GSH, S-butyl GSH, and S-hexyl GSH), four coumarins (coumarin, 7-hydroxy coumarin, esculetin and scopoletin) were tested with theses GSTs. The activities of GSTs we...
The title compound, C(15)H(16)N(2)O(2)·H(2)O, was synthesized via the alkyl-ation of 3-hydroxy-methyl-idene-2,3-dihydro-1H-pyrrolo[2,1-b]quinazolin-9-one with n-propyl iodide in the presence of sodium hydroxide. The organic mol-ecule and the water mol-ecule both lie on a crystallographic mirror plane. In the crystal structure, inter-molecular O-H⋯O and O-H⋯N hydrogen bonds link the components i...
Vaginal formulations for the prevention of sexually transmitted infections are currently gaining importance in drug development. Polysaccharides, such as chitosan and carrageenan, which have good binding capacity with mucosal tissues, are now included in vaginal delivery systems. Marine polymer-based vaginal mucoadhesive solid formulations have been developed for the controlled release of acycl...
Naltrexone [systematic name: 17-(cyclo-propyl-meth-yl)-3,14-di-hydroxy-4,5α-epoxymorphinan-6-one] is an opioid receptor competitive antagonist that has been widely used to prevent relapse in opioid- and alcohol-dependent subjects. Its chloride salt forms non-isomorphic solvates with ethanol (C20H24NO4+·Cl-·C2H5OH) (I), propan-2-ol (C20H24NO4+·Cl-·C3H7OH) (II), and 2-methyl-propan-2-ol (C20H24NO...
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