نتایج جستجو برای: cyclodextrin hp
تعداد نتایج: 19428 فیلتر نتایج به سال:
A series of novel bis(beta-cyclodextrin)s tethered with organoselenium linkers, i.e., 6,6'-(o-phenylene-diseleno)-bridged bis(beta-cyclodextrin) (2), 6,6'-[2,2'-diselenobis(benzoyloxy)]-bridged bis(beta-cyclodextrin) (3), and 6,6'-[2,2'-diselenobis[2-(benzoylamino)ethylamino]]-bridged bis(beta-cyclodextrin) (4), were synthesized from beta-cyclodextrin (1). The inclusion complexation behavior of...
Background and purpose: Helicobacter pylori(HP) has an important role in the pathogenesis of gastritis, peptic ulcer and gastric cancer. The eradication of HP results in the prevention of the recurrence of peptic ulcer and its complications. In developed countries, the recurrence of infection is unusual and rare after the successful eradication of HP infection, however it is likely in develop...
The cyclical structure of this molecule has been previously employed in various industries: In low fat dairy spreads, hydrophobic cholesterol is removed using a process by lodging it inside the cyclodextrin. Hydroxypropyl-β-cyclodextrin (HPβCD) is the principle active compound in the fabric odour eliminator Febreze, the cyclodextrin simply envelops any malodorous molecules leaving even my runni...
Helicobacter pylori(HP) infection is always with active chronic gastritis, but there is no agreement on the role of HP in esophagitis. Recent articles have noted the protective role of HP in the incidence of esophagitis in patients with gastritis. The goal of the present research was to assess the relationship between HP and esophagitis incidence in patients with gastritis. This cro...
Flocculation of serum lipoproteins with cyclodextrins: application to assay of hyperlipidemic serum.
We describe the complexation of isolated and native lipoproteins by natural macrocyclic polymers of glucose ("cyclodextrins"). Treatment of serum with cyclodextrin produces an immediate flocculation of the lipoproteins. The formation of cyclodextrin-lipoprotein complexes was evident on agarose electrophoresis gels. The concentration-dependent ability of alpha-cyclodextrin to precipitate chylomi...
Electrochemistry of cyclodextrins (CDs) and cyclodextrin inclusion complexes with different pharmaceutical compounds is reviewed. The article highlights some electrochemical investigations of the CD-drugs interactions in solution. Cyclodextrin modified electrodes and their applications as electrochemical sensors in pharmaceutical analysis based on the self-assembly of CD derivatives on metal el...
rides consisting of six or more cr-1,4-linked Dglucopyranose units which possess primary hydroxyl groups at the C-6 positions and secondary hydroxyl groups at the C-2 and C-3 positions. Because cyclomaltooligosaccharides have a hydrophobic and optically active interior, they have been utilized as transporters of hydrophobic molecules and as small molecular mimics of enzymes. One of the cyclomal...
The aim of this study was to investigate the effect of process conditions and β-cyclodextrin and sodium chloride addition to oil on shrinkage kinetics during deep-fat frying of potato strips. β-cyclodextrin was added to oil at 0.3 and 0.6 g/l and sodium chloride was added at 1 and 3%. Then, potato strips were cut into 1.2×1.2×4 cm3 pieces and fried at 150, 170 and 190˚C for 90, 180, 2...
هدف این تحقیق بررسی اثر روشهای مختلف گرده افشانی و کاربرد هورمون رشد جیبرلین و نفتالین استیک اسید (naa, ga3)، بر روی صفات و خصوصیات کمی وکیفی خرما رقم"کبکاب"، از ارقام مهم خرما و رقم اصلی نخلستانهای استان بوشهر می باشد. این تحقیق در شهرستان دشتستان در محل ایستگاه خرمای شهر سعدآباد- بوشهر در طی دو سال پی در پی (89-88) انجام گرفت. در این پژوهش پنج روش مختلف گرده افشانی شامل روش سنتی (em)، لگاره آ...
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