نتایج جستجو برای: relative solubility
تعداد نتایج: 409656 فیلتر نتایج به سال:
Abstract Wax by-products from commercial Cannabis processing, containing between 41 and 46% (w/w) cannabinoids, are currently underutilized due to lack of research done, significant value can be added through recovery the cannabinoids. The cannabinoids aimed recovered via a novel solvent-assisted recrystallization technology, this study provides robust solvent screening methodology for technolo...
The concentrations of bile salt, lecithin, and cholesterol were determined on each of 66 samples of gall bladder bile from patients with cholesterol gallstones and 25 samples of normal gall bladder bile. When these three constituents were plotted simultaneously on triangular coordinates, a complete separation of the normal and "abnormal" bile was achieved. This separation was the result of an i...
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...
Organic matter represents an important fraction of the fine particle aerosol, yet our knowledge of the roles of organics in the activation of aerosol particles into cloud droplets is poor. A cloud condensation nucleus (CCN) counter is used to examine the relative growth rates of cloud droplets for case studies from field measurements on the 5 North Pacific Ocean and in a coniferous forest. A mo...
Cashew nuts are an increasingly common cause of food allergy. We compare the soluble protein profile of cashew nuts following heating. SDS-PAGE indicate that heating can alter the solubility of cashew nut proteins. The 11S legumin, Ana o 2, dominates the soluble protein content in ready to eat and mildly heated cashew nuts. However, we found that in dark-roasted cashew nuts, the soluble protein...
Spray dried dispersions (SDDs) of glipizide, a BCS Class II model drug, were prepared using various grades of hydroxypropyl methylcellulose acetate succinate (HPMCAS) and copovidone S-630 as carriers. The SDDs appeared as a single amorphous phase with up to 60% drug loading level as revealed by X-ray powder diffraction (XRPD), modulated differential scanning calorimetry (mDSC) and scanning elec...
Oral administration of indomethacin has been limited by its poor water solubility. Cyclodextrins have been recognized as potential candidates to overcome the poor solubility of indomethacin through the formation of inclusion complexes. The aim of our study was to compare the dissolution profiles of pure indomethacin and its mixtures with α- and γ-cyclodextrins The inclusion complexes of indomet...
A new self-microemulsifying drug delivery system (SMEDDS) has been developed to increase the solubility, dissolution rate and oral bioavailability of vinpocetine (VIP), a poor water-soluble drug. The formulations of VIP-SMEDDS were optimized by solubility assay, compatibility tests, and pseudo-ternary phase diagrams analysis. The optimal ratio in the formulation of SMEDDS was found to be Labraf...
[1] The primary nutrients that limit marine phytoplankton growth rates include nitrogen (N), phosphorus (P), iron (Fe), and silicon (Si). Atmospheric transport and deposition provides a source for each of these nutrients to the oceans. We utilize an ocean biogeochemical model to examine the relative importance of these atmospheric inputs for ocean biogeochemistry and export production. In the c...
The effect of grape seed extract (GSE, 0.1%) +/- NaCl (1%) in ground chicken thigh meat during refrigerated storage at 59%, 76%, 88%, and 99% relative humidity (RH) was examined. Compared to the untreated control, GSE (0.1%) delayed the reduction of water activity (a(w)) that occurred during refrigerated storage at different relative humidity levels but had no effect on moisture content or pH c...
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