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  • 1
    Online Resource
    Online Resource
    Cambridge :Royal Society of Chemistry,
    Keywords: Combinatorial chemistry. ; Drugs -- Design. ; Electronic books.
    Description / Table of Contents: This book examines the many aspects of the drug discovery process and presents the current state-of-the-art and a clear overview of approaches to lead identification.
    Type of Medium: Online Resource
    Pages: 1 online resource (445 pages)
    Edition: 1st ed.
    ISBN: 9781847552556
    Series Statement: ISSN ; v.2
    DDC: 572
    Language: English
    Note: Exploiting Chemical Diversity For Drug Discovery -- Contents -- Section 1 Operational Developments in Chemistry -- Chapter 1 The Use of Polymer-Assisted Solution-Phase Synthesis and Automation for the High-Throughput Preparation of Biologically Active Compounds -- 1 Introduction -- 2 PASP Synthesis Approaches to Biologically Active Compounds -- 2.1 Applications to the Synthesis of Commercial Drug Molecules -- 2.2 Applications of PASP to the Synthesis of Biologically Active Natural Products -- 2.3 PASP Synthesis in the Library Production of Biologically Active Small Molecules -- 3 Automated PASP Synthesis of Biologically Active Molecules -- 3.1 Stepwise Automation of PASP Synthesis in Batch Mode -- 3.2 Fully Automated PASP Synthesis of Drug-Like Molecules in Batch Mode -- 3.3 Flow Chemistry and Automation in the Synthesis of Drug-Like Molecules -- 4 Conclusion -- References -- Chapter 2 Accelerated Chemistry: Microwave, Sonochemical, and Fluorous Phase Techniques -- 1 Introduction -- 2 Microwave Enhanced Chemistry -- 2.1 General -- 2.2 Applications in Medicinal Chemistry -- 2.3 Applications in Solid-Phase Chemistry -- 3 Sonochemistry as a Means to Accelerate Synthesis -- 3.1 General -- 3.2 Organometallic Sonochemistry -- 3.3 Heterocyclic and Pericyclic Chemistry -- 3.4 Applications in Medicinal Chemistry -- 4 Fluorous Phase Techniques -- 4.1 General -- 4.2 Reagents, Linkers, and Scavengers -- 4.3 Fluorous Protecting Groups -- 4.4 Fluorous Mixture Synthesis -- 4.5 Peptides and Oligosaccharides -- 4.6 Fluorous Applications in High-Throughput Chemistry -- 4.7 Microwave-Enhanced Fluorous Chemistry -- 5 Conclusion -- Acknowledgements -- References -- Section 2 Conceptual Advances in Synthesis: "Prospecting" - Design of Discovery Libraries and the Search for Hits -- Chapter 3 Biosynthesis of "Unnatural" Natural Products -- 1 Introduction. , 1.1 Polyketide Assembly -- 1.2 Three Major Classes of Polyketide Synthases -- 1.3 Methods for Engineered Biosynthesis -- 2 Type I Polyketide Synthases -- 2.1 Modular Architecture -- 2.2 The Erythromycin Synthase -- 2.3 Engineered Biosynthesis of Multimodular PKS Products -- 2.3.1 Domain Engineering -- 2.3.2 Module Engineering -- 2.3.3 Primer Unit Engineering and Precursor-Directed Biosynthesis -- 2.4 Multimodular PKSs that Exhibit Special Features -- 2.5 Fungal Type I PKSs -- 3 Type II Polyketide Synthases -- 3.1 Dissociated Architecture -- 3.2 Combinatorial Biosynthesis of Type II Polyketides -- 3.2.1 Chain-Length Variations -- 3.2.2 Mix and Match of Tailoring Enzymes -- 3.2.3 Primer Unit Modifications -- 3.2.4 Reshuffling of DownstreamTailoring Enzymes -- 4 Type III Polyketide Synthase -- 4.1 Type III PKS Consists of a Homodimeric Ketosynthase -- 4.2 Engineered Biosynthesis of Type III Polyketides -- 5 Conclusions -- Acknowledgments -- References -- Chapter 4 Combinatorial Synthetic Design: The Balance of Novelty and Familiarity -- 1 Biological Macromolecules - Strength in Numbers -- 1.1 Congruence between Biological and Chemical Space -- 1.2 The Libraries are Exhaustive within the Defined Boundaries -- 1.3 Highly Optimized Synthesis Procedures were Available -- 2 Oligomer Synthesis - Improving on Mother Nature -- 3 Random, Discovery, or Prospecting Libraries - the Quest for the Universal Scaffold -- 4 Privileged Scaffolds - Look Where the Light is Brightest -- 5 The Decoration or Synthesis of Novel Scaffolds - Aid for the Underprivileged -- 6 Target Class Libraries - Diversity with a Purpose -- 7 Peptide and Nucleotide Libraries Redux -- 8 Lead Discovery or Drug Discovery - Size does Matter -- 9 Natural Product Scaffolds for Combinatorial Chemistry - Why Reinvent the Wheel?. , 10 From Natural Products to Natural Product-Like Libraries - Hubris or Progress? -- 11 Lead Discovery and Combinatorial Chemistry - What have We Learned? -- 11.1 The Drug-Discovery Process cannot be Simplified to a Single Blueprint -- 11.2 Combinatorial Chemistry is an Extremely Powerful Technology -- 11.3 Combinatorial Chemistry is at its Best in Lead Optimization -- 11.4 Combinatorial Chemistry is about Making the Compounds that Fit Your Needs, not How They are Made -- References -- Chapter 5 Compound Collections: Acquisition, Annotation, and Access -- 1 Introduction -- 2 Commercial Offerings -- 3 Companies Providing Non-Proprietary, Non-Parallel Synthesised Libraries (Shared-Pool/'Collected Collections') -- 4 Companies Providing In-House Designed, Parallel Synthesised Libraries -- 5 Compound Selection and Database Filtering -- 6 Sub-structure Similarity/Dissimilarity -- 7 Pharmacophore Analysis -- 8 Annotation -- 9 Lipinski Rule-of-Five (LRoF) -- 10 Topological Polar Surface Area (tPSA) and Blood-Brain-Barrier Permeability (Log BB) -- 11 Solubility -- 12 Examples of the Use of Chemical Annotation and Pharmacophore-Based Lead-Hopping -- 13 Compound Acquisition -- Acknowledgments -- References -- Chapter 6 Chemical Diversity: Definition and Quantification -- 1 Introduction -- 2 Diversity Metrics -- 2.1 Distance-Based Metrics -- 2.2 Cell-Base Diversity Metrics -- 2.3 Variance-Based Diversity Metrics -- 3 Molecular Description -- 3.1 Two-Dimensional Descriptors -- 3.2 Three-Dimensional Descriptors -- 3.3 Physicochemical and Electronic Descriptors -- 3.4 Descriptor Selection -- 4 Dimensionality Reduction -- 4.1 Principle Component Analysis -- 4.2 Singular-Value Decomposition -- 4.3 Factor Analysis (FA) -- 4.4 MultiDimensional Scaling -- 4.5 Stochastic Proximity Embedding -- 5 Subset Selection and Classification -- 5.1 Clustering. , 5.2 Partitioning Methods -- 5.3 Experimental Design -- 5.4 Reagent-Based Versus Product-Based Design -- 5.5 Random Versus Rational Design -- 6 Conclusion -- Abbreviations -- References -- Section 3 Conceptual Advances in Synthesis: "Mining" - Turning a Hit into a Lead -- Chapter 7 Focused Libraries: The Evolution in Strategy from Large-Diversity Libraries to the Focused Library Approach -- 1 Introduction -- 2 A Synergistic, Multidisciplinary Approach to Library Conception -- 2.1 Improvements in Synthetic Methods -- 2.2 Impact of In Silico Tools for Library Design -- 2.3 Influence of Biology in Library Design -- 3 Library Design Concepts -- 3.1 Impact of Diversity on Library Design -- 3.2 Diversity-Oriented Synthesis in Prospecting Library Design -- 3.3 Target-Oriented Library Design -- 3.4 Focus on Drug-Like Libraries -- 4 Focused Libraries -- 4.1 Libraries Focused on Pharmacophore Models -- 4.2 Libraries Focused on Privileged Structures -- 4.3 Libraries Focused on Target Classes -- 4.3.1 GPCR-Targeted Libraries -- 4.3.2 Kinase-Targeted Libraries -- 4.3.3 Natural Product-Based Focused Libraries -- 4.4 Early Optimization or Hit-to-Lead Libraries -- 5 Summary -- References -- Chapter 8 Translating Peptides into Small Molecules -- 1 Peptides as Drugs: The Good, the Bad and the Ugly -- 2 Origin of Biologically Active Peptides -- 3 General Strategy for Translating Peptides into Small Molecules -- 4 Tailoring Peptide Sequences for their Translation into Small Molecules -- 5 Transformation of Peptide Ligands into Small Molecules using Computational Approaches -- 6 Conclusion -- References -- Section 4 Operational Developments in Screening and High Throughput Assays -- Chapter 9 High-Density Plates, Microarrays, Microfluidics -- 1 Functional High-Density Well Plates for High-Throughput Assays -- 1.1 Sample Plates for Low-Volume High-Throughput Screening. , 1.2 High-Density Assay Plates for HTS and Multidimensional Compound Profiling -- 1.3 Technical, Biological, and Economical Limits for Assay Miniaturization in High-Density Plates -- 1.4 384-Microtube Plate for High-Throughput Retrieval of Compound Subsets -- 1.5 Sample Management for HTS and Multidimensional Compound Profiling -- 2 Parallel Liquid Handling of Low-Volume Samples -- 2.1 Pipetting and Dispensing in High-Density Plates -- 2.2 High-Throughput Aliquoting of the HTS Library -- 2.3 A Microfluidic Well Plate for High-Throughput Solid/Liquid Separations -- 3 Microarray Assays on Chips -- 3.1 Microchannel Assay: A New Generation of Miniaturized Multiplexed Bioassays -- 4 Prospects for Multiparameter Assays -- Acknowledgment -- References -- Chapter 10 Fluorescence Technologies for the Investigation of Chemical Libraries -- 1 Introduction -- 2 Dissociation-Enhanced Lanthanide Fluoroimmunoassay -- 3 Enzyme Fragment Complementation -- 4 Fluorescence Polarization -- 5 Fluorescence Correlation Spectroscopy -- 6 Amplified Luminescent Proximity Homogeneous Assay (AlphaScreen™) -- 7 Fluorescence Resonance Energy Transfer -- 8 Bioluminescence Resonance Energy Transfer -- 9 Homogeneous Time Resolved Fluorescence -- 10 Conclusion -- References -- Chapter 11 The Use of Genetically Engineered Cell-Based Assays in in-vitro Drug Discovery -- 1 Introduction -- 2 Genetic Engineering for Cell-Based Assays -- 2.1 Expression Systems -- 2.2 Choice of Cell Line and Promoter -- 2.3 Chromosomal Integration Site -- 3 Reporter-Based Assays -- 3.1 Chloramphenicol Acetyl Transferase, Secreted Placental Alkaline Phosphatase, β-Galactosidase -- 3.2 Green Fluorescent Protein -- 3.3 Luciferase -- 3.4 β-Lactamase -- 3.5 Examples of Applications -- 4 Assays to Measure Intracellular Calcium -- 5 Assays to Monitor Protein-Protein Interactions. , 5.1 Bioluminescence Resonance Energy Transfer and Fluorescence Resonance Energy Transfer.
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  • 2
    Online Resource
    Online Resource
    Newark :John Wiley & Sons, Incorporated,
    Keywords: Pharmaceutical industry--Management. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (373 pages)
    Edition: 1st ed.
    ISBN: 9781118819449
    Language: English
    Note: Intro -- Title Page -- Copyright Page -- Contents -- Contributors -- Introduction -- References -- CHAPTER 1 ATTRITION IN DRUG DISCOVERY AND DEVELOPMENT -- 1.1 "The Graph" -- 1.2 The Sources of Attrition -- 1.3 Phase II Attrition -- 1.3.1 Target Engagement -- 1.3.2 Clinical Trial Design -- 1.4 Phase III Attrition -- 1.4.1 Safety Attrition in Phase III -- 1.5 Regulation and Attrition -- 1.6 Attrition in Phase IV -- 1.7 First in Class, Best in Class, and the Role of the Payer -- 1.8 Portfolio Attrition -- 1.9 "Avoiding" Attrition -- 1.9.1 Drug Combinations and New Formulations -- 1.9.2 Biologics versus Small Molecules -- 1.9.3 Small-Molecule Compound Quality -- 1.10 Good Attrition versus Bad Attrition -- 1.11 Summary -- References -- CHAPTER 2 COMPOUND ATTRITION AT THE PRECLINICAL PHASE -- 2.1 Introduction: Attrition in Drug Discovery and Development -- 2.2 Target Identification, hts, and Lead Optimization -- 2.3 Resurgence of Covalent Inhibitors -- 2.4 In Silico Models to Enhance Lead Optimization -- 2.5 Structure-Based and Property-Based Compound Design in Lead Optimization -- 2.5.1 Risks Associated with Operating in Nondrug-Like Space -- 2.6 Attrition Due to Adme Reasons -- 2.6.1 Metabolism, Bioactivation, and Attrition -- 2.6.2 PK/PD Modeling in Drug Discovery to Reduce Attrition -- 2.6.3 Human PK Prediction Uncertainties -- 2.7 Attrition Due to Toxicity Reasons -- 2.8 Corporate Culture and Nonscientific Reasons for Attrition -- 2.9 Summary -- References -- CHAPTER 3 ATTRITION IN PHASE I -- 3.1 Introduction -- 3.2 Attrition in Phase I Studies and Paucity of Published Information -- 3.3 Drug Attrition in not fih Phase I Studies -- 3.4 Attrition in fih Studies due to pk -- 3.4.1 Attrition due to Pharmacogenetic Factors -- 3.5 Attenuation of pk Failure -- 3.5.1 Preclinical Methods (In Vivo) -- 3.5.2 Preclinical Methods (In Vitro). , 3.5.3 Phase 0, Microdose Studies in Humans -- 3.5.4 Responding to Unfavorable PK Characteristics -- 3.6 Phase I Oncology Studies -- 3.7 Toleration and Attrition in Phase I Studies -- 3.7.1 Improving the Hepatic Toleration of Compounds -- 3.7.2 Rare Severe Toxicity in Phase I Studies -- 3.8 Target Occupancy and go/no-go Decisions to Phase II Start -- 3.9 Conclusions -- References -- CHAPTER 4 COMPOUND ATTRITION IN PHASE II/III -- 4.1 Introduction -- 4.2 Attrition Rates: How Have they Changed? -- 4.3 Why do Drugs Fail in Phase II/III? Lack of Efficacy or Marginal Efficacy Leading to Likely Commercial Failure -- 4.4 Toxicity -- 4.5 Organizational Culture -- 4.6 Case Studies for Phase II/III Attrition -- 4.6.1 Torcetrapib -- 4.6.2 Dalcetrapib -- 4.6.3 Onartuzumab -- 4.6.4 Bapineuzumab -- 4.6.5 Gantenerumab -- 4.6.6 Solanezumab -- 4.6.7 Pomaglumetad Methionil (LY-2140023) -- 4.6.8 Dimebon (Latrepirdine) -- 4.6.9 BMS-986094 -- 4.6.10 TC-5214 (S-Mecamylamine) -- 4.6.11 Olaparib -- 4.6.12 Tenidap -- 4.6.13 NNC0109-0012 (RA) -- 4.6.14 Omapatrilat -- 4.6.15 Ximelagatran -- 4.7 Summary and Conclusions -- References -- CHAPTER 5 POSTMARKETING ATTRITION -- 5.1 Introduction -- 5.2 On-Target Pharmacology-Flawed Mechanism -- 5.2.1 Alosetron -- 5.2.2 Cerivastatin -- 5.2.3 Tegaserod -- 5.3 Off-Target Pharmacology, Known Receptor: An Issue of Selectivity -- 5.3.1 Fenfluramine and Dexfenfluramine -- 5.3.2 Rapacuronium -- 5.3.3 Astemizole, Cisapride, Grepafloxacin, and Thioridazine -- 5.4 Off-Target Pharmacology, Unknown Receptor: Idiosyncratic Toxicology -- 5.4.1 Benoxaprofen -- 5.4.2 Bromfenac -- 5.4.3 Nomifensine -- 5.4.4 Pemoline -- 5.4.5 Remoxipride -- 5.4.6 Temafloxacin -- 5.4.7 Tienilic acid -- 5.4.8 Troglitazone -- 5.4.9 Tolcapone -- 5.4.10 Trovafloxacin -- 5.4.11 Valdecoxib -- 5.4.12 Zomepirac -- 5.5 Conclusions -- References. , CHAPTER 6 INFLUENCE OF THE REGULATORY ENVIRONMENT ON ATTRITION -- 6.1 Introduction -- 6.1.1 How the Regulatory Environment has Changed Over the Last Two Decades -- 6.1.2 Past and Current Regulatory Attitude to Risk Analysis and Risk Management -- 6.2 Discussion -- 6.2.1 What Stops Market Approval? -- 6.2.2 Impact of Black Box Warnings -- 6.2.3 Importance and Impact of Pharmacovigilance -- 6.2.4 Prospects of Market Withdrawals for New Drugs -- 6.2.5 What Are the Challenges for the Industry Given the Current Regulatory Environment? -- 6.2.6 Future Challenges for Both Regulators and the Pharmaceutical Industry -- 6.3 Conclusion -- References -- CHAPTER 7 EXPERIMENTAL SCREENING STRATEGIES TO REDUCE ATTRITION RISK -- 7.1 Introduction -- 7.2 Screening Strategies in hit Identification -- 7.2.1 Screening Strategies and Biology Space -- 7.2.2 Screening Strategies and Chemical Space -- 7.2.3 High-Throughput Screening Technologies -- 7.2.4 Future Directions for High-Throughput Screening -- 7.3 Screening Strategies in hit Validation and Lead Optimization -- 7.4 Screening Strategies for Optimizing pk and Safety -- 7.4.1 High-Throughput Optimization of PK/ADME Profiles -- 7.4.2 Early Safety Profiling -- 7.4.3 Future Directions for ADME and Safety in Lead Optimization -- 7.5 Summary -- References -- CHAPTER 8 MEDICINAL CHEMISTRY STRATEGIES TO PREVENT COMPOUND ATTRITION -- 8.1 Introduction -- 8.2 Picking the Right Target -- 8.3 Finding Starting Compounds -- 8.4 Compound Optimization -- 8.4.1 Drug-Like Compounds -- 8.4.2 Structure-Based Drug Design -- 8.4.3 The Thermodynamics and Kinetics of Compound Optimization -- 8.4.4 PK -- 8.4.5 Toxicity -- 8.5 Summary -- References -- CHAPTER 9 INFLUENCE OF PHENOTYPIC AND TARGET‐BASED SCREENING STRATEGIES ON COMPOUND ATTRITION AND PROJECT CHOICE -- 9.1 Drug Discovery Approaches: A Historical Perspective. , 9.1.1 Phenotypic Screening -- 9.1.2 Target-Based Screening -- 9.1.3 Recent Changes in Drug Discovery Approaches -- 9.2 Current Phenotypic Screens -- 9.2.1 Definition of Phenotypic Screening -- 9.2.2 Recent Anti-infective Projects -- 9.2.3 Recent CNS Projects -- 9.3 Current Targeted Screening -- 9.3.1 Definition of Targeted Screening -- 9.3.2 Recent Anti-infective Projects -- 9.3.3 Recent CNS Projects -- 9.4 Potential Attrition Factors -- 9.4.1 Technical Doability and Hit Identification -- 9.4.2 Compound SAR and Properties -- 9.4.3 Safety -- 9.4.4 Translation to the Clinic -- 9.5 Summary and Future Directions -- 9.5.1 Summary of Impact of Current Approaches -- 9.5.2 Future Directions -- 9.5.3 Conclusion -- References -- CHAPTER 10 IN SILICO APPROACHES TO ADDRESS COMPOUND ATTRITION -- 10.1 In Silico Models help to Slleviate the Process of Finding both Safe and Efficacious Drugs -- 10.2 Use of in Silico Approaches to Reduce Attrition Risk at the Discovery Stage -- 10.3 Ligand-Based and Structure-Based Models -- 10.4 Data Quality -- 10.5 Predicting Model Errors -- 10.6 Molecular Properties and Their Impact on Attrition -- 10.7 Modeling of Adme Properties and their Impact of Reducing Attrition in the Last Two Decades -- 10.8 Approaches to Modeling of Tox -- 10.9 Modeling pk and pd and Dose Prediction -- 10.10 Novel in Silico Approaches to Reduce Attrition Risk -- 10.11 Conclusion -- References -- CHAPTER 11 CURRENT AND FUTURE STRATEGIES FOR IMPROVING DRUG DISCOVERY EFFICIENCY -- 11.1 General Introduction -- 11.2 Scope -- 11.3 Neglected Diseases -- 11.3.1 Introduction -- 11.3.2 Control of NTDs -- 11.3.3 Drug Discovery Potential of Neglected Diseases -- 11.4 Precompetitive Drug Discovery -- 11.4.1 Introduction -- 11.4.2 Virtual Discovery Organizations -- 11.4.3 Collaborations with Academic Laboratories -- 11.4.4 CoE and Incubators. , 11.4.5 Screening Data and Compound File Sharing -- 11.5 Exploitation of Genomics -- 11.5.1 Introduction -- 11.5.2 Target Identification and Validation -- 11.5.3 Target-Based Drug Discovery -- 11.5.4 Phenotypic Whole-Cell Screening -- 11.5.5 Individualized Therapy and Therapies for Special Patient Populations -- 11.6 Outsourcing Strategies -- 11.6.1 Introduction -- 11.6.2 Research Contracting in Drug Discovery -- 11.7 Multitarget Drug Design and Discovery -- 11.7.1 Introduction -- 11.7.2 Rationale for Multitargeted Drugs -- 11.7.3 Designed Multitarget Compounds for Neglected Diseases -- 11.8 Drug Repositioning and Repurposing -- 11.8.1 Introduction -- 11.8.2 Cell Biology Approach -- 11.8.3 Exploitation of Genome Information -- 11.8.4 Compound Screening Studies -- 11.8.5 Exploitation of Coinfection Drug Efficacy -- 11.8.6 In Silico Computational Technologies -- 11.9 Future Outlook -- References -- CHAPTER 12 IMPACT OF INVESTMENT STRATEGIES, ORGANIZATIONAL STRUCTURE AND CORPORATE ENVIRONMENT ON ATTRITION, AND FUTURE INVESTMENT STRATEGIES TO REDUCE ATTRITION -- 12.1 Attrition -- 12.2 Costs -- 12.2.1 The Costs of Creating a New Medicine -- 12.2.2 The Costs of Not Creating a New Medicine -- 12.3 Investment Strategies -- 12.3.1 RoI -- 12.3.2 Investment in a Portfolio of R& -- D Projects -- 12.3.3 Asset-Centered Investment -- 12.3.4 Sources of Funds -- 12.4 Business Models -- 12.4.1 Fipco -- 12.4.2 Fully Integrated Pharmaceutical Network (FIPNET) -- 12.4.3 Venture-Funded Biotech -- 12.4.4 Fee-for-Service CRO -- 12.4.5 Hybrids -- 12.4.6 Academic Institute -- 12.4.7 Social Enterprise -- 12.5 Portfolio Management -- 12.5.1 Portfolio Construction -- 12.5.2 Project Progression -- 12.5.3 The Risk Transition Point -- 12.6 People -- 12.6.1 Motivation -- 12.6.2 Culture and Leadership -- 12.6.3 Sustainability -- 12.7 Future -- 12.7.1 Business Structures. , 12.7.2 Skilled Practitioners.
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  • 3
    Keywords: Natural products. ; Electronic books.
    Description / Table of Contents: Mit Beiträgen zahlreicher Fachwissenschaftler.
    Type of Medium: Online Resource
    Pages: 1 online resource (702 pages)
    Edition: 1st ed.
    ISBN: 9783709170946
    Series Statement: Fortschritte der Chemie Organischer Naturstoffe Progress in the Chemistry of Organic Natural Products Series ; v.31
    Language: English
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  • 4
    Online Resource
    Online Resource
    La Vergne :RSC,
    Keywords: Electronic books.
    Description / Table of Contents: This book examines the many aspects of the drug discovery process and presents the current state-of-the-art and a clear overview of approaches to lead identification.
    Type of Medium: Online Resource
    Pages: 1 online resource (445 pages)
    Edition: 1st ed.
    ISBN: 9781847552556
    Series Statement: ISSN Series
    Language: English
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  • 5
    Online Resource
    Online Resource
    La Vergne :RSC,
    Keywords: Electronic books.
    Description / Table of Contents: This is the first book to pull together studies and reviews from cutting edge authors who work in the emerging and exciting field of multi-targeted drug discovery.
    Type of Medium: Online Resource
    Pages: 1 online resource (395 pages)
    Edition: 1st ed.
    ISBN: 9781849734912
    Series Statement: ISSN Series
    Language: English
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  • 6
    Online Resource
    Online Resource
    New York :Palgrave Macmillan,
    Keywords: Management science. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (233 pages)
    Edition: 1st ed.
    ISBN: 9781137370891
    DDC: 333.793/23
    Language: English
    Note: Cover -- Title -- Copyright -- Dedication -- Contents -- List of Illustrations -- Acknowledgments -- List of Abbreviations and Acronyms -- CHAPTER 1 Introduction -- CHAPTER 2 Equilibrium and Other Core Assumptions -- CHAPTER 3 Modeling with Hard Constraints -- CHAPTER 4 Modeling with Soft Constraints -- CHAPTER 5 The Treatment of Change -- CHAPTER 6 The Characterization of Consumption -- CHAPTER 7 Summary -- Notes -- References -- Index -- Author Index.
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  • 7
    Online Resource
    Online Resource
    New York :Palgrave Macmillan,
    Keywords: Corporations-Finance. ; Electronic books.
    Description / Table of Contents: Peak Load and Capacity Pricing lays out clear pricing strategies for understanding peak load and capacity pricing structures, further cementing electricity's role as an asset class with fixed and variable costs.
    Type of Medium: Online Resource
    Pages: 1 online resource (265 pages)
    Edition: 1st ed.
    ISBN: 9781137370921
    DDC: 333.793/231
    Language: English
    Note: Cover -- Title -- Copyright -- Dedication -- Contents -- List of Figures -- Foreword -- Acknowledgments -- 1 Introduction -- 2 The Modeling Framework -- 2.1 Nomenclature -- 2.2 Basic Modeling of Consumption -- 2.3 Basic Model of Physical/Production -- 2.4 Other Aspects of Modeling -- 3 The Framework and Development of Peak Load Pricing -- 3.1 Basic Peak Load Pricing Theory -- 3.2 Early Days of Tariff Evolution -- 3.3 Postwar Theory and Application of Capacity Charging-The Drèze Approach -- 3.4 Elastic Demand for Capacity- The Steiner Framework -- 3.5 Efficiency of Rationing of Demand -- 3.6 Pricing under Stochastic Demand- The Brown and Johnson Framework -- 3.7 Modeling under Variable Rationing Efficiency-The Visscher Framework -- 3.8 Demand for Capacity with Stochastic Elastic Demand-the Carlton Framework -- 3.9 Optimal Pricing, Capacity and the Technology Frontier-Crew and Kleindorfer -- 3.10 Further Development of the Price Vector-from Dansby -- 3.11 Stochastic Variation in both Production and Demand-the Chao Framework -- 3.12 Discussion of the Pricing Analyses -- 4 Relaxing the Hard Capacity Constraint -- 4.1 Introduction -- 4.2 The Hirshleifer Framework -- 4.3 Optimizing with Decreasing Returns to Scale-The Panzar Framework -- 4.4 Concluding Discussion of Soft Constraints -- 5 Modeling Capacity Using Derivatives -- 5.1 Power Markets -- 5.2 Single Period-Modeling Using Options of "European" Type -- 5.3 Modeling System Operator Option Procurement in the One-Period Setting -- 5.4 Modeling More Complex Options in the One-Period Setting -- 5.5 Many Periods-Modeling Using Options of "American" Type -- 5.6 Modeling System Operator Option Procurement in the Unrestricted Many-Period Setting -- 5.7 Modeling Many Periods under Constraint Using Options of "Swing" Type. , 5.8 Modeling System Operator Option Procurement in the Restricted Many-Period Setting -- 5.9 Modeling Real Assets -- 5.10 Modeling Prices and Price Dynamics -- 6 Capacity Mechanisms -- 6.1 Types of Capacity Mechanism -- 6.2 Development of the Key Variables in the ICAP Model -- 6.3 Development of ICAP toward the Use of Strike Prices -- 6.4 Division of the Market to Regimes -- 6.5 General Development of Capacity Mechanisms toward Energy-Only Markets -- 7 The Power Complex -- 7.1 The Demand Side -- 7.2 Transmission and Interconnection -- 7.3 Peak Load Pricing in Distribution Charging -- 7.4 Commercial Arrangements on Lost Load -- 8 Final Comments -- Notes -- References -- Index.
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  • 8
    Keywords: Turbulent diffusion (Meteorology) Mathematical models ; Congresses ; Pollution Mathematical models ; Congresses ; Diffusion Mathematical models ; Congresses ; Konferenzschrift ; Konferenzschrift 1978 ; Turbulente Diffusion ; Umwelt ; Mathematische Methode ; Turbulente Diffusion ; Umwelt ; Mathematische Methode ; Diffusion ; Luftverschmutzung ; Mathematisches Modell ; Turbulente Strömung ; Diffusion ; Mathematisches Modell
    Type of Medium: Book
    Pages: XVI, 500 S , graph. Darst
    ISBN: 0123283507
    Series Statement: Conference series / The Institute of Mathematics and its Applications
    DDC: 628.5/3/0724
    RVK:
    RVK:
    Language: English
    Note: Includes bibliographies and index. The basic structure of clouds of diffusing contaminant / by P.C. Chatwin and P.J. Sullivan -- Concentration fluctuations iatmospheric diffusion / by J.R. Thomas -- Continuous plumes, their iatmospheric diffusion / by J.R. Thomas -- Continuous plumes, their
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  • 9
    Online Resource
    Online Resource
    London : Academic Press
    Keywords: Systèmes, Analyse de ; Stabilité ; Espaces vectoriels topologiques ; Linear topological spaces ; Stability ; System analysis ; System analysis ; Stability ; Linear topological spaces ; System analysis. Stability. Linear topological spaces ; SCIENCE ; System Theory ; TECHNOLOGY & ENGINEERING ; Operations Research ; Linear topological spaces ; Stability ; System analysis ; Sistemas Dinamicos ; Electronic books ; Electronic books ; Dynamisches System ; Stabilität
    Description / Table of Contents: The stability of input-output dynamical systems
    Type of Medium: Online Resource
    Pages: Online-Ressource
    Edition: Elsevier e-book collection on ScienceDirect
    ISBN: 0080956742 , 9780123276803 , 9780080956749
    Series Statement: Mathematics in science and engineering v. 168
    RVK:
    Language: English
    Note: Description based on print version record , Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002.
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  • 10
    Publication Date: 2020-08-02
    Description: In September 2019, the research icebreaker Polarstern started the largest multidisciplinary Arctic expedition to date, the MOSAiC (Multidisciplinary drifting Observatory for the Study of Arctic Climate) drift experiment. Being moored to an ice floe for a whole year, thus including the winter season, the declared goal of the expedition is to better understand and quantify relevant processes within the atmosphere–ice–ocean system that impact the sea ice mass and energy budget, ultimately leading to much improved climate models. Satellite observations, atmospheric reanalysis data, and readings from a nearby meteorological station indicate that the interplay of high ice export in late winter and exceptionally high air temperatures resulted in the longest ice-free summer period since reliable instrumental records began. We show, using a Lagrangian tracking tool and a thermodynamic sea ice model, that the MOSAiC floe carrying the Central Observatory (CO) formed in a polynya event north of the New Siberian Islands at the beginning of December 2018. The results further indicate that sea ice in the vicinity of the CO (〈40 km distance) was younger and 36 % thinner than the surrounding ice with potential consequences for ice dynamics and momentum and heat transfer between ocean and atmosphere. Sea ice surveys carried out on various reference floes in autumn 2019 verify this gradient in ice thickness, and sediments discovered in ice cores (so-called dirty sea ice) around the CO confirm contact with shallow waters in an early phase of growth, consistent with the tracking analysis. Since less and less ice from the Siberian shelves survives its first summer (Krumpen et al., 2019), the MOSAiC experiment provides the unique opportunity to study the role of sea ice as a transport medium for gases, macronutrients, iron, organic matter, sediments and pollutants from shelf areas to the central Arctic Ocean and beyond. Compared to data for the past 26 years, the sea ice encountered at the end of September 2019 can already be classified as exceptionally thin, and further predicted changes towards a seasonally ice-free ocean will likely cut off the long-range transport of ice-rafted materials by the Transpolar Drift in the future. A reduced long-range transport of sea ice would have strong implications for the redistribution of biogeochemical matter in the central Arctic Ocean, with consequences for the balance of climate-relevant trace gases, primary production and biodiversity in the Arctic Ocean.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev , info:eu-repo/semantics/article
    Format: application/pdf
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