نتایج جستجو برای: aminoalkyl dithicarbamic acid
تعداد نتایج: 747604 فیلتر نتایج به سال:
Optimization of the lactam ω-aminoalkyl substituents in a series of 7-azaindenoisoquinolines resulted in new anticancer agents with improved Top1 inhibitory potencies and cancer cell cytotoxicities. The new compounds 14-17 and 19 exhibited mean graph midpoint cytotoxicity (GI50) values of 21-71 nM in the NCI panel of 60 human cancer cell cultures. Ternary 7-azaindenoisoquinoline-DNA-Top1 cleava...
The DNA sequence specificity of an ellipticine derivative bearing an aminoalkyl side chain has been determined by a variety of footprinting methods. The drug exhibits sequence selective binding and discriminates against runs of adenines or thymines. Binding is shown to occur at various sequences with a preference for GC rich regions of DNA. A large enhancement of DNAase I and of hydroxyl radica...
a simple, sensitive and selective method for solvent extraction and spectrophotemetric determination of lanthanum (ii) europium (iii), and cerium (iii) is described , the rare earth metals are extracted into chloroform solution of n-phenylbenzohydroxamic acid (pbha) at ph 9-10 various parameters are studied to optimize the extraction conditions. the molar absorptivity is found to increase from ...
background and objectives: betulinic acid (ba), oleanolic acid (oa) and ursolic acid (ua) are well-known pentacyclic triterpenoids (pts), which are produced by plants. they possess a variety of beneficial effects including anti-inflammatory, hepatoprotective, antitumor, anti-hiv, antimicrobial, gastroprotective, and antihyperlipidemic activities. in the present study, quantitative determination...
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