نتایج جستجو برای: activity relationships
تعداد نتایج: 1339307 فیلتر نتایج به سال:
While a substantial body of literature has examined the effect of fear appeals in advertising, few, if any, studies have looked into the ethicality of using such threatening messages, particularly for socially desirable outcomes. In this paper, a review of the different theories of ethics leads to the development of an empirical study where the effects of using both physically and socially thre...
prepared by stirring a mixture of 1 with the corresponding carboxylic acid (1.1 equiv.) in the presence of dicyclohexylcarbodiimide (DCC) (1.1 equiv.) and 4-dimethylaminopyridine (DMAP) (0.1 equiv.) in CH2Cl2 at room temperature for 24 hours. The crude products, obtained after usual work up, were purified by preparative TLC on silica gel (Article No. 13794, E. Merck) using CHCl3 MeOH (9:1) as t...
Aromadendranes belong to a class of sesquiterpenes present in higher plant essential oils and marine animals. Although the biological activities include antifungal, antibacterial, antiviral, plant growth regulatory, antifeedant, repellent and cytotoxic, there is only one precedent for spasmolytic effects. In a previous report we have shown that the aromadendrene molecule known as spathulenol, i...
Several constituents of essential oils have been shown to be active against pathogens such as bacteria, fungi, and protozoa. This study demonstrated the in vitro action of ten compounds present in essential oils against Leishmania amazonensis promastigotes. With the exception of p-cymene, all evaluated compounds presented leishmanicidal activity, exhibiting IC50 between 25.4 and 568.1 μg mL-1. ...
B13 is a ceramide analogue and apoptosis inducer with potent cytotoxic activity. A series of arylpropyl sulfonamide analogues of B13 were evaluated for their cytotoxicity using MTT assays in prostate cancer PC-3 and leukemia HL-60 cell lines. Some compounds (4, 9, 13, 14, 15, and 20) showed stronger activities than B13 in both tumor cell lines, and compound (15) gave the most potent activity wi...
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