نتایج جستجو برای: the chemical compound dl

تعداد نتایج: 16130481  

Journal: :Sains Malaysiana 2021

Tuberculosis (TB) as a global emergency is chronic disease caused by Mycobacterium tuberculosis (Mtb). Mtb plays an important role in inducing or suppressing the production of Interferon Gamma (IFNG) and IL-4 regulation TB homeostasis pathogenesis. The bioactive compounds snail seromucous (Achatina fulica Ferussac) chitosan function biological response modifiers. study aimed to determine potent...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده علوم طبیعی 1391

in recent years many researchers have been focused on interaction of small molecules with dna. dna is generally the primary intracellular of anticancer drugs, so the interaction between small molecules and dna can cause dna damage in cancer cells, blocking the division of cancer cells and resulting in cell death. the flavonoids are a large group of polyphenolic natural products that are widely ...

Journal: :Genome informatics. International Conference on Genome Informatics 2003
Masahiro Hattori Yasushi Okuno Susumu Goto Minoru Kanehisa

We have developed an efficient algorithm for comparing two chemical compounds, where the chemical structure is treated as a 2D graph consisting of atoms as vertices and covalent bonds as edges. Based on the concept of functional groups in chemistry, 68 atom types (vertex types) are defined for carbon, nitrogen, oxygen, and other atomic species with different environments, which has enabled dete...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پایه 1390

طراحی و سنتز پلیمر های کئوردینانسیونی متخلخل یا چارچوب های فلز- آلی به علت ساختارهای جالب این ترکیبات و قابلیت های کاربردی آنها برای ذخیره و جداسازی گاز، کاتالیز، تشخیص و جداسازی انانتیومرها، خواص مغناطیسی، تنظیم لومینسانس و غیره توجه زیادی را به خود جلب کرده است. اخیرا مشخص شده است که برخی لیگاندهای آلی مسطح صلب مثل ایمیدازول-5،4-دی کربوکسیلیک اسید (h3idc) برای تشکیل چارچوب های فلز- آلی مناسب ...

Journal: :Journal of Electronic Resources in Medical Libraries 2008

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2012
ibrahim shibl el-hallag elsayed hassan el-mossalamy abdullah mohamed asiri

diolefinic antibacterial laser dye namely 1,4-bis[2-(4-pyridyl) vinyl] benzene (4pvb)have been investigated electrochemically using cyclic voltammetry, chronoamperometry, convolution and deconvolution voltammetry combined with digital simulation techniques at a platinum electrode in 0.1 mol / l tetra butyl ammonium perchlorate (tbap) in  solvent 1,2-dichloroethane.  the diolefinic species were ...

Journal: :journal of physical & theoretical chemistry 2015
fatemeh shafiei

it is well known that the chemical behavior of a compound is dependent upon the structure of itsmolecules. quantitative structure – activity relationship (qsar) studies and quantitative structure –property relationship (qspr) studies are active areas of chemical research that focus on the nature ofthis dependency. topological indices are the numerical value associated with chemical constitution...

F Hadizadeh H Hosseinzadeh N Khalili R Khair-Aldine

A flavonol, kaempferol, isolated from the fresh flower petals of C. sativus L. (Iridaceae) as the sole component. The structure of the compound was determined by chemical and spectroscopic methods.

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