نتایج جستجو برای: structural dependent biological activity

تعداد نتایج: 2375451  

Mitra Bakhtiari, Rezvan Asgari,

Infertility as a vital process in human reproduction involves many couples worldwide. Although many genetic causes of infertility are known, the genetic basis of infertility in men is largely unknown. Therefore, the identification of genetic biomarkers in this field is important and genetic polymorphisms in key genes of the spermatogenesis pathway can be valuable biomarkers in this field. Gene'...

Journal: :Glycobiology 2014
Nadezhda E Ustyuzhanina Maria I Bilan Natalia A Ushakova Anatolii I Usov Mikhail V Kiselevskiy Nikolay E Nifantiev

Sulfated polysaccharides of brown algae (fucoidans) attract great attention due to their high and strongly diversified biological activity. This review summarizes recent data on the structural variability of these polysaccharides and reports their anti- and proangiogenic properties. Recent publications have revealed that fucoidans isolated from different algal species may differ considerably in...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

the external and interlamellar spaces of montmorilonite (mmt) were used as solid support for synthesis of cuo nanoparticles (nps) at room temperature by the chemical reduction method. in this project, copper nitrate plus water (cu(no3)2. xh2o) and sodium hydroxide (naoh) were used as copper precursor and reducing agent respectively. then, mmt/cu2+ nanocomposites were stabilized with different r...

Journal: :iranian journal of analytical chemistry 2015
nosrat madadi mahani fatemeh sabermahani peyman mohammadzadeh jahani nahid jalali

the quantitative structure–activity relationship of a series of novel thiazoline derivatives with anticancer activity has been studied by using the density functional theory by b3lyp/ 6-31g. descriptors of quantum mechanics of 21 thiazoline derivatives with known activity were obtained. multiple linear regressions were employed to model the relationships between molecular descriptors and biolog...

Journal: :iranian journal of pharmaceutical research 0
safa daoud university of jordan fatma u afifi university of jordan amal al-bakrib university of jordan violet kasabric kasabri university of jordan imad hamdan university of jordan

abstractthe ability of hesperidin (hp) to form complexes with five metals; cobalt, nickel, zinc, calcium and magnesium was investigated. the complexation was studied using u.v spectroscopic titration, in methanol as well as aqueous buffer solutions (physiological conditions). potential complexes were studied by ir and nmr spectroscopy, melting point and their solubility were also evaluated. the...

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