Statistical Modelling Of Molecular Descriptors In Qsar Qspr

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Statistical Modelling of Molecular Descriptors in QSAR/QSPR

Author : Matthias Dehmer
Publisher : John Wiley & Sons
ISBN 13 : 3527645012
Total Pages : 437 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Statistical Modelling of Molecular Descriptors in QSAR/QSPR by : Matthias Dehmer

Download or read book Statistical Modelling of Molecular Descriptors in QSAR/QSPR written by Matthias Dehmer and published by John Wiley & Sons. This book was released on 2012-09-13 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook and ready reference presents a combination of statistical, information-theoretic, and data analysis methods to meet the challenge of designing empirical models involving molecular descriptors within bioinformatics. The topics range from investigating information processing in chemical and biological networks to studying statistical and information-theoretic techniques for analyzing chemical structures to employing data analysis and machine learning techniques for QSAR/QSPR. The high-profile international author and editor team ensures excellent coverage of the topic, making this a must-have for everyone working in chemoinformatics and structure-oriented drug design.

A Primer on QSAR/QSPR Modeling

Author : Kunal Roy
Publisher : Springer
ISBN 13 : 3319172816
Total Pages : 129 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis A Primer on QSAR/QSPR Modeling by : Kunal Roy

Download or read book A Primer on QSAR/QSPR Modeling written by Kunal Roy and published by Springer. This book was released on 2015-04-11 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: This brief goes back to basics and describes the Quantitative structure-activity/property relationships (QSARs/QSPRs) that represent predictive models derived from the application of statistical tools correlating biological activity (including therapeutic and toxic) and properties of chemicals (drugs/toxicants/environmental pollutants) with descriptors representative of molecular structure and/or properties. It explains how the sub-discipline of Cheminformatics is used for many applications such as risk assessment, toxicity prediction, property prediction and regulatory decisions apart from drug discovery and lead optimization. The authors also present, in basic terms, how QSARs and related chemometric tools are extensively involved in medicinal chemistry, environmental chemistry and agricultural chemistry for ranking of potential compounds and prioritizing experiments. At present, there is no standard or introductory publication available that introduces this important topic to students of chemistry and pharmacy. With this in mind, the authors have carefully compiled this brief in order to provide a thorough and painless introduction to the fundamental concepts of QSAR/QSPR modelling. The brief is aimed at novice readers.

Recent Advances in QSAR Studies

Author : Tomasz Puzyn
Publisher : Springer Science & Business Media
ISBN 13 : 1402097832
Total Pages : 428 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Recent Advances in QSAR Studies by : Tomasz Puzyn

Download or read book Recent Advances in QSAR Studies written by Tomasz Puzyn and published by Springer Science & Business Media. This book was released on 2010-01-19 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an interdisciplinary overview on the most recent advances in QSAR studies. The first part consists of a comprehensive review of QSAR methodology. The second part highlights the interdisciplinary aspects and new areas of QSAR modelling.

Molecular Descriptors in QSAR/QSPR

Author : Mati Karelson
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Molecular Descriptors in QSAR/QSPR by : Mati Karelson

Download or read book Molecular Descriptors in QSAR/QSPR written by Mati Karelson and published by Wiley-Interscience. This book was released on 2000-02-24 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular descriptors are mathematical values that describe the structure or shape of molecules, helping predict the activity and properties of molecules in complex experiments. This book describes the equations known as QSAR (quantitative structure-activity relationships) and QSPR (quantitative structure-property relationships), showing how they can be used productively in a wide range of industries.

Molecular Quantum Similarity in QSAR and Drug Design

Author : R. Carbo-Dorca
Publisher : Springer Science & Business Media
ISBN 13 : 3642572731
Total Pages : 138 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Molecular Quantum Similarity in QSAR and Drug Design by : R. Carbo-Dorca

Download or read book Molecular Quantum Similarity in QSAR and Drug Design written by R. Carbo-Dorca and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors introduce the concept of Molecular Quantum Similarity, developed in their laboratory, in a didactic form. The basis of the concept combines quantum theoretical calculations with molecular structure and properties even for large molecules. They give definitions and procedures to compute similarities molecules and provide graphical tools for visualization of sets of molecules as n-dimensional point charts.

QSPR/QSAR Analysis Using SMILES and Quasi-SMILES

Author : Alla P. Toropova
Publisher : Springer Nature
ISBN 13 : 3031284011
Total Pages : 470 pages
Book Rating : 4.0/5 (312 download)

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Book Synopsis QSPR/QSAR Analysis Using SMILES and Quasi-SMILES by : Alla P. Toropova

Download or read book QSPR/QSAR Analysis Using SMILES and Quasi-SMILES written by Alla P. Toropova and published by Springer Nature. This book was released on 2023-06-10 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: This contributed volume overviews recently presented approaches for carrying out QSPR/QSAR analysis by using a simplifying molecular input-line entry system (SMILES) to represent the molecular structure. In contrast to traditional SMILES, quasi-SMILES is a sequence of special symbols-codes that reflect molecular features and codes of experimental conditions. SMILES and quasi-SMILES serve as a basis to develop QSPR/QSAR as well Nano-QSPR/QSAR via the Monte Carlo calculation that provides the so-called optimal descriptors for QSPR/QSAR models. The book presents a reliable technology for developing Nano-QSPR/QSAR while it also includes the description of the algorithms of the Monte Carlo optimization. It discusses the theory and practice of the technique of variational authodecoders (VAEs) based on SMILES and analyses in detail the index of ideality of correlation (IIC) and the correlation intensity index (CII) which are new criteria for the predictive potential of the model. The mathematical apparatus used is simple so that students of relevant specializations can easily follow. This volume is a valuable contribution to the field and will be of great interest to developers of models of physicochemical properties and biological activity, chemical technologists, and toxicologists involved in the area of drug design.

Molecular Descriptors for Chemoinformatics

Author : Roberto Todeschini
Publisher : John Wiley & Sons
ISBN 13 : 9783527628773
Total Pages : 1257 pages
Book Rating : 4.6/5 (287 download)

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Book Synopsis Molecular Descriptors for Chemoinformatics by : Roberto Todeschini

Download or read book Molecular Descriptors for Chemoinformatics written by Roberto Todeschini and published by John Wiley & Sons. This book was released on 2009-10-30 with total page 1257 pages. Available in PDF, EPUB and Kindle. Book excerpt: The number-one reference on the topic now contains a wealth of new data: The entire relevant literature over the past six years has been painstakingly surveyed, resulting in hundreds of new descriptors being added to the list, and some 3,000 new references in the bibliography section. Volume 1 contains an alphabetical listing of more than 3300 descriptors and related terms for chemoinformatic analysis of chemical compound properties, while the second volume lists over 6,000 references selected from 450 journals. To make the data even more accessible, the introductory section has been completely re-written and now contains several "walk-through" reading lists of selected keywords for novice users.

Understanding the Basics of QSAR for Applications in Pharmaceutical Sciences and Risk Assessment

Author : Kunal Roy
Publisher : Academic Press
ISBN 13 : 0128016337
Total Pages : 494 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Understanding the Basics of QSAR for Applications in Pharmaceutical Sciences and Risk Assessment by : Kunal Roy

Download or read book Understanding the Basics of QSAR for Applications in Pharmaceutical Sciences and Risk Assessment written by Kunal Roy and published by Academic Press. This book was released on 2015-03-03 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the Basics of QSAR for Applications in Pharmaceutical Sciences and Risk Assessment describes the historical evolution of quantitative structure-activity relationship (QSAR) approaches and their fundamental principles. This book includes clear, introductory coverage of the statistical methods applied in QSAR and new QSAR techniques, such as HQSAR and G-QSAR. Containing real-world examples that illustrate important methodologies, this book identifies QSAR as a valuable tool for many different applications, including drug discovery, predictive toxicology and risk assessment. Written in a straightforward and engaging manner, this is the ideal resource for all those looking for general and practical knowledge of QSAR methods. Includes numerous practical examples related to QSAR methods and applications Follows the Organization for Economic Co-operation and Development principles for QSAR model development Discusses related techniques such as structure-based design and the combination of structure- and ligand-based design tools

Applied Chemoinformatics

Author : Thomas Engel
Publisher : John Wiley & Sons
ISBN 13 : 352734201X
Total Pages : 660 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Applied Chemoinformatics by : Thomas Engel

Download or read book Applied Chemoinformatics written by Thomas Engel and published by John Wiley & Sons. This book was released on 2018-06-05 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by world-famous pioneers in chemoinformatics, this is a clearly structured and applications-oriented approach to the topic, providing up-to-date and focused information on the wide range of applications in this exciting field. The authors explain methods and software tools, such that the reader will not only learn the basics but also how to use the different software packages available. Experts describe applications in such different fields as structure-spectra correlations, virtual screening, prediction of active sites, library design, the prediction of the properties of chemicals, the development of new cosmetics products, quality control in food, the design of new materials with improved properties, toxicity modeling, assessment of the risk of chemicals, and the control of chemical processes. The book is aimed at advanced students as well as lectures but also at scientists that want to learn how chemoinformatics could assist them in solving their daily scientific tasks. Together with the corresponding textbook Chemoinformatics - Basic Concepts and Methods (ISBN 9783527331093) on the fundamentals of chemoinformatics readers will have a comprehensive overview of the field.

QSPR/QSAR Studies by Molecular Descriptors

Author : Mircea V. Diudea
Publisher : Nova Biomedical Books
ISBN 13 : 9781560728597
Total Pages : 0 pages
Book Rating : 4.7/5 (285 download)

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Book Synopsis QSPR/QSAR Studies by Molecular Descriptors by : Mircea V. Diudea

Download or read book QSPR/QSAR Studies by Molecular Descriptors written by Mircea V. Diudea and published by Nova Biomedical Books. This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The central problem in QSPR (Quantitative Structure-Property Relationship) I QSAR (Quantitative Structure-Activity Relationship) is to convert chemical structures into molecular descriptors that are relevant to a certain physico-chemical property or biological activity. Although various physico-chemical properties may be subjected to QSPR/QSAR studies, the major application field of these models is drug discovery. Classically, drug discovery mainly relied on chance and massive screening of large libraries of synthesised or natural compounds. By contrast, computer-aided drug design, GADD, is an approach to rational drug design made possible by the recent advances in computational chemistry (in its various fields, such as molecular graphics, quantum chemistry, molecular mechanics, molecular dynamics, library searching, prediction of physicochemical and biological properties) and, of course, in computer science. Many physico-chemical properties can be satisfactorily correlated with the topostructural or topochemical features. Topological indices are among the simplest and efficient descriptors for QSPR/QSAR. In principle, these are mathematical objects, without a precise physical meaning. However, they may express the topological shape or may correlate with the molecular volume or surface area, as is shown in the pages of this book.

Handbook of Molecular Descriptors

Author : Roberto Todeschini
Publisher : John Wiley & Sons
ISBN 13 : 3527613110
Total Pages : 688 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Handbook of Molecular Descriptors by : Roberto Todeschini

Download or read book Handbook of Molecular Descriptors written by Roberto Todeschini and published by John Wiley & Sons. This book was released on 2008-07-11 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantitative studies on structure-activity and structure-property relationships are powerful tools in directed drug research. In recent years, various strategies have been developed to characterize and classify structural patterns by means of molecular descriptors. It has become possible not only to assess diversities or similarities of structure databases, but molecular descriptors also facilitate the identification of potential bioactive molecules from the rapidly increasing number of compound libraries. They even allow for a controlled de-novo design of new lead structures. This is the most comprehensive collection of molecular descriptors and presents a detailed review from the origins of this research field up to present day. This practically oriented reference book gives a thorough overview of the different molecular descriptors representations and their corresponding molecular descriptors. All descriptors are listed with their definition, symbols and labels, formulas, some numerical examples, data and molecular graphs, while numerous figures and tables aid comprehension of the definitions. Cross-references throughout, a list of acronyms and notations allow easy access to the information needed to solve a specific research problem. Examples of descriptor calculations along with tables of descriptor values for a set of selected reference compounds and an up-to-date reference list add to the practical value of the book, making it an invaluable guide for all those dealing with bioactive molecules as well as for researchers.

Topological Indices and Related Descriptors in QSAR and QSPR

Author : James Devillers
Publisher : CRC Press
ISBN 13 : 1482296942
Total Pages : 811 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Topological Indices and Related Descriptors in QSAR and QSPR by : James Devillers

Download or read book Topological Indices and Related Descriptors in QSAR and QSPR written by James Devillers and published by CRC Press. This book was released on 2000-03-09 with total page 811 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topological Indices and Related Descriptors in QSAR and QSPR reviews the state of the art in this field and highlights the important advances in the generation of descriptors calculated directly from the structure of molecules. This long-awaited comprehensive book provides all the necessary information to calculate and use these descriptors for deriving structure-activity and structure-property relationships. Written by leading experts in the field, this book discusses the physicochemical significance, strengths, and weaknesses of these indices and presents numerous examples of applications. This book will be a valuable reference for anyone involved in the use of QSAR and QSPR in the pharmaceutical, applied chemical, and environmental sciences. It is also suitable for use as a supplementary textbook on related graduate level courses.

3D QSAR in Drug Design

Author : Hugo Kubinyi
Publisher : Springer Science & Business Media
ISBN 13 : 0306468573
Total Pages : 413 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis 3D QSAR in Drug Design by : Hugo Kubinyi

Download or read book 3D QSAR in Drug Design written by Hugo Kubinyi and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: Significant progress has been made in the study of three-dimensional quantitative structure-activity relationships (3D QSAR) since the first publication by Richard Cramer in 1988 and the first volume in the series. 3D QSAR in Drug Design. Theory, Methods and Applications, published in 1993. The aim of that early book was to contribute to the understanding and the further application of CoMFA and related approaches and to facilitate the appropriate use of these methods. Since then, hundreds of papers have appeared using the quickly developing techniques of both 3D QSAR and computational sciences to study a broad variety of biological problems. Again the editor(s) felt that the time had come to solicit reviews on published and new viewpoints to document the state of the art of 3D QSAR in its broadest definition and to provide visions of where new techniques will emerge or new appli- tions may be found. The intention is not only to highlight new ideas but also to show the shortcomings, inaccuracies, and abuses of the methods. We hope this book will enable others to separate trivial from visionary approaches and me-too methodology from in- vative techniques. These concerns guided our choice of contributors. To our delight, our call for papers elicited a great many manuscripts.

Molecular Modeling and Prediction of Bioactivity

Author : Klaus Gundertofte
Publisher : Springer Science & Business Media
ISBN 13 : 1461541417
Total Pages : 490 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Molecular Modeling and Prediction of Bioactivity by : Klaus Gundertofte

Download or read book Molecular Modeling and Prediction of Bioactivity written by Klaus Gundertofte and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Much of chemistry, molecular biology, and drug design, are centered around the relationships between chemical structure and measured properties of compounds and polymers, such as viscosity, acidity, solubility, toxicity, enzyme binding, and membrane penetration. For any set of compounds, these relationships are by necessity complicated, particularly when the properties are of biological nature. To investigate and utilize such complicated relationships, henceforth abbreviated SAR for structure-activity relationships, and QSAR for quantitative SAR, we need a description of the variation in chemical structure of relevant compounds and biological targets, good measures of the biological properties, and, of course, an ability to synthesize compounds of interest. In addition, we need reasonable ways to construct and express the relationships, i. e. , mathematical or other models, as well as ways to select the compounds to be investigated so that the resulting QSAR indeed is informative and useful for the stated purposes. In the present context, these purposes typically are the conceptual understanding of the SAR, and the ability to propose new compounds with improved property profiles. Here we discuss the two latter parts of the SARlQSAR problem, i. e. , reasonable ways to model the relationships, and how to select compounds to make the models as "good" as possible. The second is often called the problem of statistical experimental design, which in the present context we call statistical molecular design, SMD. 1.

Chemometrics Applications and Research

Author : Andrew G. Mercader
Publisher : CRC Press
ISBN 13 : 1498722598
Total Pages : 446 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Chemometrics Applications and Research by : Andrew G. Mercader

Download or read book Chemometrics Applications and Research written by Andrew G. Mercader and published by CRC Press. This book was released on 2016-03-30 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important new book provides innovative material, including peer-reviewed chapters and survey articles on new applied research and development, in the scientifically important field of QSAR in medicinal chemistry. QSAR is a growing field because available computing power is continuously increasing, QSAR's potential is enormous, limited only by

Advances in QSAR Modeling

Author : Kunal Roy
Publisher : Springer
ISBN 13 : 3319568507
Total Pages : 555 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Advances in QSAR Modeling by : Kunal Roy

Download or read book Advances in QSAR Modeling written by Kunal Roy and published by Springer. This book was released on 2017-05-22 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book covers theoretical background and methodology as well as all current applications of Quantitative Structure-Activity Relationships (QSAR). Written by an international group of recognized researchers, this edited volume discusses applications of QSAR in multiple disciplines such as chemistry, pharmacy, environmental and agricultural sciences addressing data gaps and modern regulatory requirements. Additionally, the applications of QSAR in food science and nanoscience have been included – two areas which have only recently been able to exploit this versatile tool. This timely addition to the series is aimed at graduate students, academics and industrial scientists interested in the latest advances and applications of QSAR.

Invitation to Protein Sequence Analysis Through Probability and Information

Author : Daniel J. Graham
Publisher : CRC Press
ISBN 13 : 0429650523
Total Pages : 292 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Invitation to Protein Sequence Analysis Through Probability and Information by : Daniel J. Graham

Download or read book Invitation to Protein Sequence Analysis Through Probability and Information written by Daniel J. Graham and published by CRC Press. This book was released on 2019-02-06 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the remarkable information correspondences and probability structures of proteins. Correspondences are pervasive in biochemistry and bioinformatics: proteins share homologies, folding patterns, and mechanisms. Probability structures are just as paramount: folded state graphics reflect Angstrom-scale maps of electron density. The author explores protein sequences (primary structures), both individually and in sets (systems) with the help of probability and information tools. This perspective will enhance the reader’s knowledge of how an important class of molecules is designed and put to task in natural systems, and how we can approach class members in hands-on ways.