49 research outputs found

    ΠŸΠΎΠ΄Ρ…ΠΎΠ΄Ρ‹ ΠΊ ΠΏΡ€ΠΎΠ³Π½ΠΎΠ·ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡŽ аффинности Π»ΠΈΠ³Π°Π½Π΄ΠΎΠ² 18 ΠΊΠ”Π° транслокаторного Π±Π΅Π»ΠΊΠ° TSPO с Ρ†Π΅Π»ΡŒΡŽ создания ΠΌΠΎΠ»Π΅ΠΊΡƒΠ» с нСйропсихотропной Π°ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒΡŽ Ρ‡Π΅Π»ΠΎΠ²Π΅ΠΊΠ° (HUVEC)

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    Predict of anxiolytic activity and affinity for the translocator protein (TSPO), compounds in the 1-arylpyrrolo[1,2-a]pyrazine-3-carboxamide series by QSAR (Quantitative structure-activity relationship) and molecular docking was carried out. 9 Models were created from a combination of three methods of machine learning (ASNN, FSMLR, PLS) with a different set of 2D fragmented descriptors (OEState, ISIDA, GSFrag). For the validation of the model, 5-fold cross-checking was used. For molecular docking, the following programs were used: for building 3D ligand models, Marvin software package from ChemAxon, preparation of protein 2MGY (Protein Data Bank) was performed in AutodockTools, and to establish the affinity of Autodock 4.2. In addition, a study was made of the hydrophobic correspondence in the PLATINUM web service. As a result of these studies, the most promising TSPO ligands were identified. Also, the structure-property relationship was evaluated.Π’Ρ‹ΠΏΠΎΠ»Π½Π΅Π½ΠΎ ΠΏΡ€ΠΎΠ³Π½ΠΎΠ·ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ аффинности ΠΊ 18 ΠΊΠ”Π° транслокаторному Π±Π΅Π»ΠΊΡƒ (TSPO) соСдинСний Π² ряду 1-Π°Ρ€ΠΈΠ»ΠΏΠΈΡ€Ρ€ΠΎΠ»ΠΎ[1,2-Π°]ΠΏΠΈΡ€Π°Π·ΠΈΠ½-3-карбоксамидов ΠΌΠ΅Ρ‚ΠΎΠ΄Π°ΠΌΠΈ QSAR (Quantitative structure-activity relationship) ΠΈ молСкулярного Π΄ΠΎΠΊΠΈΠ½Π³Π°. Π‘Ρ‹Π»ΠΈ созданы 9 ΠΌΠΎΠ΄Π΅Π»Π΅ΠΉ ΠΈΠ· ΠΊΠΎΠΌΠ±ΠΈΠ½Π°Ρ†ΠΈΠΈ Ρ‚Ρ€Ρ‘Ρ… ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠ² машинного обучСния (ASNN, FSMLR, PLS) с Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹ΠΌ Π½Π°Π±ΠΎΡ€ΠΎΠΌ 2D Ρ„Ρ€Π°Π³ΠΌΠ΅Π½Ρ‚Π°Ρ€Π½Ρ‹Ρ… дСскрипторов (OEState, ISIDA, GSFrag). Для Π²Π°Π»ΠΈΠ΄Π°Ρ†ΠΈΠΈ ΠΌΠΎΠ΄Π΅Π»ΠΈ использовался 5-ΠΊΡ€Π°Ρ‚Π½Ρ‹ΠΉ пСрСкрёстный ΠΊΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΡŒ. Для молСкулярного Π΄ΠΎΠΊΠΈΠ½Π³Π° использовались ΡΠ»Π΅Π΄ΡƒΡŽΡ‰ΠΈΠ΅ ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌΡ‹: для построСния 3D ΠΌΠΎΠ΄Π΅Π»Π΅ΠΉ Π»ΠΈΠ³Π°Π½Π΄ΠΎΠ² ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌΠ½Ρ‹ΠΉ ΠΏΠ°ΠΊΠ΅Ρ‚ Marvin ΠΎΡ‚ ChemAxon, ΠΏΠΎΠ΄Π³ΠΎΡ‚ΠΎΠ²ΠΊΠ° Π±Π΅Π»ΠΊΠ° 2MGY (Protein Data Bank) Π²Ρ‹ΠΏΠΎΠ»Π½ΡΠ»Π°ΡΡŒ Π² AutodockTools, Π° для установлСния аффинности Autodock 4.2. Π΄ΠΎΠΏΠΎΠ»Π½ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎ Π±Ρ‹Π»ΠΎ ΠΏΡ€ΠΎΠ²Π΅Π΄Π΅Π½ΠΎ исслСдованиС Π³ΠΈΠ΄Ρ€ΠΎΡ„ΠΎΠ±Π½ΠΎΠ³ΠΎ соотвСтствия Π² Π²Π΅Π±-сСрвисС PLATINUM. Π’ Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Π΅ Π΄Π°Π½Π½Ρ‹Ρ… исслСдований Π±Ρ‹Π»ΠΈ выявлСны Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ пСрспСктивныС Π»ΠΈΠ³Π°Π½Π΄Ρ‹ TSPO. ΠŸΡ€ΠΎΠΈΠ·Π²Π΅Π΄Ρ‘Π½ Π°Π½Π°Π»ΠΈΠ· связи структура-Π°Ρ„Ρ„ΠΈΠ½Π½ΠΎΡΡ‚ΡŒ

    Current Distribution at Rough Electrodes

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    The compaction of porous beryllium during sintering

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