نتایج جستجو برای: spectroscopic studies

تعداد نتایج: 1463794  

Journal: :Bulletin of the Chemical Society of Japan 1968

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2014
davar mohammadi boghai bahram ghanbari massoud hassanpoor

the complexes of mn(oac)3 and/or mn(acac)3 with nucleic bases and nucleosides (adenine, guanine, xanthine, adenosine and guanosine) have been synthesized in nonaqueous solution. polarographic and spectroscopic (ir and visible) methods have been used to establish the active site(s) on the imidazole and pyrimidine rings in the nucleic bases and nucleosides for the interaction with the mn(iii) com...

Journal: :زمین شناسی اقتصادی 0
مصطفی اسماعیلی وردنجانی رضا شمسی پور دهکردی کاوه پازند داود رهی

groundwaters hydrochemistry of ayrakan and cheshmeh shotori areas and geochemistry of rare earth elements, indicate ayrakan alkali granite as the origin of uranium and other dissolved elements in groundwaters of these areas. geochemical and hydrogeochemical studies as well as the trend of uranium and thorium transition and mobility in aqueous environments of these areas indicate uranium adsorpt...

Journal: :gene, cell and tissue 0
seyedeh elham mostafavinia department of biochemistry, faculty of medicine, birjand university of medical sciences, birjand, ir iran reyhane hoshyar department of biochemistry, faculty of medicine, birjand university of medical sciences, birjand, ir iran; department of biochemistry, faculty of medicine, birjand university of medical sciences, birjand, ir iran

background some herbal anticancer agents have direct interactions with dna. objectives the present study aimed to investigate the interaction of ctdna with rosemary flowers. materials and methods we used uv-vis, fluorescence and circular dichroism (cd) spectroscopic techniques. results the absorption of dna at 260 nm increased on addition of rosemary. herb extract quench the fluorescence of etb...

Amanollah Aminzadeh, L.J. Walsh Sima Shahabi

FTR-Raman Spectra of human dental enamel, both laser-irradiated and untreated, are reported. Spectra are compared with hydroxyapatite. It is evident that unlike the CO2 laser, the Nd/YAG laser does not induce any chemical change in dental enamel.

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید