نتایج جستجو برای: methylated ß-cyclodextrin
تعداد نتایج: 21860 فیلتر نتایج به سال:
Complexation of celecoxib with ß-cyclodextrin and hydroxypropyl-ß-cyclodextrin in the presence and absence of polyvinylpyrrolidone and the effect of polyvinylpyrrolidone on the solubilizing efficiency of cyclodextrins and on the dissolution rate of celecoxib from the cyclodextrin complexes were investigated. The phase solubility studies indicated the formation of celecoxib-ß-cyclodextrin and ce...
domperidone is a widely used antiemetic, poorly water soluble drug, erratically absorbed in stomach and possess several dissolution-related problems thus it has poor bioavailability. solubility of a drug plays a very important role in dissolution and hence absorption of drug which ultimately affects its bioavailability. hence, by considering the facts related to drug, attempts have been made to...
Aflatoxins are the most serious problem in production and export of pistachio of Iran. They are amongst the most toxic mycotoxins and are produced predominantly by Aspergillus flavus and A. parasiticus. Pistachio is susceptible to invasion by aflatoxigenic Aspergillus species and subsequent production of aflatoxins, during preharvesting, processing, transportation or storage. Various methods ha...
Domperidone is a widely used antiemetic, poorly water soluble drug, erratically absorbed in stomach and possess several dissolution-related problems thus it has poor bioavailability. Solubility of a drug plays a very important role in dissolution and hence absorption of drug which ultimately affects its bioavailability. Hence, by considering the facts related to drug, attempts have been made to...
Domperidone is a widely used antiemetic, poorly water soluble drug, erratically absorbed in stomach and possess several dissolution-related problems thus it has poor bioavailability. Solubility of a drug plays a very important role in dissolution and hence absorption of drug which ultimately affects its bioavailability. Hence, by considering the facts related to drug, attempts have been made to...
saffron essential oil has a pleasant aroma and medicinal activities. however, it is sensible into the environmental condition. therefore, it should be protected against unwanted changes during storage or processing. encapsulation is introduced as a process by which liable materials are protected from unwanted changes. in the present study, different ratios (0:100, 25:75, 50:50, 75:25, and 100:0...
The number of the cyclodextrin-containing drug formulations on market has been continuously growing since first (prostaglandin E1 formulated with ?-cyclodextrin) was launched in Japan 1976. We have collected a list drugs from various sources available internet to find 130 approved pharmaceutical ingredients either parent cyclodextrins or their hydroxypropyl, sulfobutyl, random methylated sulfol...
ß-Cyclodextrin (ß-CD) solubilizes stickies from deinked pulp, commercial adhesive formulations, or magazine inserts, which demonstrates its potential as a washing aid. A new test to simulate coater scratches is described; it involves scraping the test paper sample across the surface of a thin layer chromatography plate and measuring the degree of scratching on the plate. Scratching was signific...
New psychoactive substances (NPS) count as substances, which are slightly modified compared to illicit drugs regarding their chemical structure circumvent law. Compared classical such heroin, cocaine, or amphetamine, they show similar effects, however, because of novelty there is few knowledge about side effects toxicity. NPS available different substance classes, among them chiral novel deriva...
Three types of per-O-methylated β-cyclodextrin dimers, Im2CD, Im3NHCD and Py3NHCD, were prepared as globin models. Im2CD was synthesized by the condensation reaction of mono(2(A)-amino)-per-O-methylated β-cyclodextrin with 3-(1H-imidazol-1-yl)pentanedioic acid. Im3NHCD and Py3NHCD were obtained through the S(N)2 reactions of mono(2(A),3(A)-epoxy)-per-O-methylated β-cyclodextrin with 3-(1H-imida...
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