نتایج جستجو برای: qsar study

تعداد نتایج: 3971037  

Journal: :research in pharmaceutical sciences 0
sedighe sadeghian-rizi amirhossein sakhteman farshid hassanzadeh

in the current study, both ligand-based molecular docking and receptor-based quantitative structure activity relationships (qsar) modeling were performed on 35 diaryl urea derivative inhibitors of v600e b-raf. in this qsar study, a linear (multiple linear regressions) and a nonlinear (partial least squares least squares support vector machine (pls-ls-svm)) were used and compared. the predictive...

2011
Neeraja Dwivedi Bhartendu Nath Mishra Vishwa Mohan Katoch

A quantitative structure activity relationship study was performed on different groups of anti-tuberculosis drug compound for establishing quantitative relationship between biological activity and their physicochemical /structural properties. In recent years, a large number of herbal drugs are promoted in treatment of tuberculosis especially due to the emergence of MDR (multi drug resistance) a...

Journal: :American Journal of Pharmacy And Health Research 2020

2014
Mohammed E. El-Telbany

QSAR (quantitative structure-activity relationship) modeling is one of the well developed areas in drug development through computational chemistry. Similar molecules with just a slight variation in their structure can have quit different biological activity. This kind of relationship between molecular structure and change in biological activity is center of focus for QSAR Modeling. Predictions...

Journal: :Macedonian Journal of Chemistry and Chemical Engineering 2009

ژورنال: :مجله طب نظامی 0
مریم ایمان maryam iman chemical injuries research center, baqiyatallah university of medical sciences, tehran, iranمرکز تحقیقات آسیب های شیمیایی، دانشگاه علوم پزشکی بقیه الله، تهران، ایران بهاره اثنی عشری bahare asna ashari department of medicinal chemistry, faculty of pharmacy, pharmaceutical sciences branch, islamic azad university, tehran, iranدپارتمان شیمی دارویی، واحد علوم دارویی، دانشگاه آزاد اسلامی، تهران، ایرانسازمان اصلی تایید شده: دانشگاه علوم پزشکی بقیه الله (baqiyatallah university of medical sciences) اصغر داود asghar davood department of medicinal chemistry, faculty of pharmacy, pharmaceutical sciences branch, islamic azad university, tehran, iranدپارتمان شیمی دارویی، واحد علوم دارویی، دانشگاه آزاد اسلامی، تهران، ایرانسازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم دارویی (islamic azad university pharmaceutical sciences branch)

اهداف: در این مطالعه، بر روی یک دسته از مشتقات تری آزول با اثر مهارکنندگی آنزیم cyp51 مطالعات داکینگ و به دنبال آن آنالیز رابطه فعالیت و ساختار کمی (qsar) انجام گرفت. روش ها: با استفاده از برنامه ی hyperchem ساختار مولکولی آزول های طراحی شده ساخته شد. برای انجام مطالعات داکینگ از برنامه autodock استفاده شد. در مطالعات qsar، توصیف گرهای مختلفی محاسبه گردیدند. یافته ها: بر اساس نتایج به دست آمده ...

2015
Noha A. Saleh Hanan Elhaes Osama Osman Abdel Aziz Mahmoud Medhat Ibrahim

Fullerene (C60) is enhanced with pyrrolidine group to produce fulleropyrrolidine which is considered as one of the most important derivatives of fullerene. Fulleropyrrolidine is further modified in order to enhance its solubility which in turn could enhance its biological applications. Accordingly this work is dedicated to modify fulleropyrrolidine carbodithioic acid as NO2 group introduced at ...

2014
MAYURA KALE GAJANAN SONWANE RAJESH NAWALE

In the present work, we have applied group quantitative structure–activity relationships (G-QSAR) for exploring the relationship between the structures of a new emerging family of 2-{[2-(1Himidazol-1-yl)ethyl]sulfanyl}-1H-benzimidazole derivatives and their antiprotozoal activities. We have developed descriptive models, in order to aid in further optimization and development of newer antiprotoz...

Journal: :Machine learning and knowledge extraction 2022

Machine learning represents a milestone in data-driven research, including material informatics, robotics, and computer-aided drug discovery. With the continuously growing virtual synthetically available chemical space, efficient robust quantitative structure–activity relationship (QSAR) methods are required to uncover molecules with desired properties. Herein, we propose variable-length-array ...

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