| Nanosuspensions: Emerging Novel Agrochemical Formulations | p. 1 |
| Introduction | p. 1 |
| Solubility Enhancement Through Nanoization | p. 3 |
| Stabilization of Nanosuspensions | p. 7 |
| Preparation of Nanosuspensions | p. 14 |
| Top-Down Methods | p. 14 |
| Nanoparticles by Milling Technologies | p. 14 |
| Nanoparticles via High-Pressure Homogenization | p. 16 |
| Sonication | p. 17 |
| Bottom-Up Methods | p. 17 |
| Controlled Precipitation | p. 17 |
| Reactive Precipitation | p. 17 |
| Solvent Displacement Method | p. 18 |
| Aerosol Procedures | p. 23 |
| Microemulsion Template Methods | p. 23 |
| Supercritical Fluid Methods | p. 23 |
| Characterization of Nanoparticulate Systems | p. 24 |
| Mean Particle Size and Particle-Size Distribution | p. 25 |
| Surface Area | p. 25 |
| Particle Charge (Zeta Potential) | p. 25 |
| Contact Angle | p. 26 |
| Morphology and Crystalline State | p. 26 |
| Saturation Solubility and Dissolution Rate | p. 26 |
| Nanoformulations of Crop-Protection Chemicals | p. 26 |
| Nanoparticulate Formulations of Novaluron | p. 28 |
| Novaluron: A Novel IGR | p. 28 |
| Preparation of Nanosuspensions of Novaluron | p. 29 |
| Comparative Efficacy of Nanosuspension Formulations of Novaluron | p. 29 |
| Conclusions | p. 32 |
| References | p. 32 |
| Pharmacokinetics: Computational Versus Experimental Approaches to Optimize Insecticidal Chemistry | p. 41 |
| Introduction | p. 41 |
| Drug Design by the Pharmaceutical Industry | p. 42 |
| Insecticide Design by the Crop-Protection Industry | p. 42 |
| Aims and Scope of this Review | p. 43 |
| Pharmacokinetic Modeling | p. 43 |
| Mathematical and Conceptual Pharmacokinetic Models | p. 44 |
| Simple Experimental Approaches | p. 44 |
| Penetration Through Isolated Cuticles | p. 47 |
| Rotating Diffusion Cell Studies | p. 47 |
| Penetration of Imidacloprid (IMI) Across Isolated Gut and Cuticle | p. 49 |
| Retention of Applied IMI in the Integument of S. littoralis | p. 50 |
| Uptake by Isolated Target Tissue | p. 51 |
| Compartmental Modeling | p. 52 |
| Simple Models | p. 53 |
| Two-Compartment PK Models | p. 53 |
| Complex Models | p. 54 |
| The Complexity of the Insect Body Plan | p. 55 |
| A Three-Compartment Model and Oscillatory Movement of Material Between Tissue Compartments | p. 57 |
| Physiological Models | p. 58 |
| Movement Between Tissues, Tissue Equilibria and Routes of Loss | p. 59 |
| Relative Tissue Affinities and Partitioning | p. 60 |
| Potential Use of Pharmacokinetics in Insecticide Design—the Way Ahead | p. 62 |
| Estimating Pharmacokinetic/Dynamic Parameters from Time/Dose/Response Data | p. 62 |
| Conclusions | p. 64 |
| References | p. 64 |
| High-Throughput Screening and Insect Genomics for New Insecticide Leads | p. 67 |
| Introduction | p. 67 |
| Approaches for Insecticide Lead Identification | p. 68 |
| HTS Using Established Agrochemical Targets | p. 70 |
| Insecticides Based on New Insect Targets | p. 74 |
| Knowledge-Based New Target Identification | p. 76 |
| Genomic Studies and Model Organisms | p. 80 |
| Identifying a New MOA from Active Chemistry | p. 81 |
| Conclusions | p. 83 |
| References | p. 83 |
| Transgenic and Paratransgenic Insects in Crop Protection | p. 87 |
| Introduction | p. 87 |
| The Sterile Insect Technique | p. 87 |
| Conditional Lethal Genes | p. 88 |
| Regulatory Aspects | p. 89 |
| Symbiosis and Microbiology | p. 90 |
| Symbiotic Control of Disease Transmission | p. 90 |
| Dental Caries | p. 92 |
| Pierce's Disease | p. 92 |
| The Vector Insect | p. 93 |
| The Symbiont | p. 94 |
| Genetic Engineering of GWSS/Grapevine Bacterial Symbionts | p. 95 |
| Competitive Displacement | p. 95 |
| Quorum Sensing | p. 97 |
| Practical Consideration | p. 98 |
| Conclusions | p. 99 |
| References | p. 100 |
| Future Insecticides Targeting Genes Involved in the Regulation of Molting and Metamorphosis | p. 105 |
| Introduction | p. 105 |
| Hormonal Regulation of Molting and Metamorphosis | p. 106 |
| PTTH | p. 106 |
| Introduction | p. 106 |
| Biosynthesis | p. 106 |
| Mode of Action | p. 106 |
| Ecdysone | p. 107 |
| Introduction | p. 107 |
| Biosynthesis | p. 107 |
| Mode of Action | p. 108 |
| Juvenile Hormone | p. 109 |
| Introduction | p. 109 |
| Biosynthesis | p. 109 |
| Mode of Action | p. 110 |
| Ecdysis-Controlling Neuropeptides | p. 112 |
| Introduction | p. 112 |
| Biosynthesis | p. 112 |
| Mode of Action | p. 113 |
| Bursicon | p. 114 |
| Introduction | p. 114 |
| Biosynthesis | p. 114 |
| Mode of Action | p. 115 |
| Genes Involved in Molting and Metamorphosis as Target Sites for the Design of Biorational Insecticides | p. 115 |
| Success Stories | p. 115 |
| Ecdysone Analogs | p. 115 |
| JH Analogs | p. 117 |
| Hormones, Receptors and Transcription Factors as Target Sites | p. 119 |
| Biosynthetic Enzymes as Target Sites | p. 119 |
| Juvenile Hormone | p. 119 |
| Ecdysone | p. 123 |
| Utilization of Genes Involved in Molting and Metamorphosis for Development of Pest Management Tools | p. 124 |
| Small Molecules | p. 124 |
| Use of Genes Involved in Molting and Metamorphosis in Alternate Pest-Management Methods | p. 124 |
| References | p. 126 |
| Trypsin Modulating Oostatic Factor for Developing Resistant Crops | p. 135 |
| Introduction | p. 135 |
| Biochemical and Physiological Studies | p. 136 |
| The Discovery of Mosquito TMOF | p. 136 |
| Biological Activity and Mode of Action of TMOF | p. 137 |
| Inhibition of Trypsin Biosynthesis by TMOF in Other Insects | p. 139 |
| Genetic Characterization and Expression of TMOF | p. 141 |
| The Effect of TMOF and Its Analogues on Insect Larvae | p. 141 |
| Molecular Biology Studies | p. 142 |
| Cloning and Expression of Aea-TMOF by TMV, Chlorella, Saccharomyces cerevisia, Tobacco and Alfalfa Plants | p. 142 |
| Insect Resistance and Safety Issues | p. 144 |
| Potential Resistance Development to TMOF | p. 144 |
| Safety of TMOF | p. 145 |
| References | p. 147 |
| Nicotinic Acetylcholine Receptors as a Continuous Source for Rational Insecticides | p. 151 |
| Introduction | p. 151 |
| Structure of the Nicotinic Acetylcholine Receptors (nAChRs) | p. 153 |
| Structure of the Insect nAChRs | p. 154 |
| Agonists vs. Antagonists | p. 155 |
| Neonicotinoid Insecticides | p. 156 |
| Bioisosteric Segments of Neonicotinoids | p. 157 |
| Natural Products Active on nAChR | p. 158 |
| Ligand Binding | p. 163 |
| Acetylcholine Binding Protein (AChBP) | p. 164 |
| Comparison AChBP vs. nAChR -Subunit | p. 166 |
| Nicotinic Pharmacophore Models | p. 168 |
| Binding Models of Neonicotinoids by 3D Pharmacophore Mapping | p. 170 |
| Ring Systems vs. Noncyclic Neonicotinoids | p. 172 |
| Isosteric Alternatives to the Heterocyclic N-Substituents | p. 177 |
| Bioisosteric Pharmacophors of Neonicotinoids | p. 178 |
| Photoaffinity Probes for Insect nAChRs | p. 179 |
| Selectivity for Insect vs. Mammalian nAChRs | p. 179 |
| nAChR-Based Screening Assays | p. 181 |
| Resistance | p. 181 |
| Concluding Remarks and Prospects | p. 184 |
| References | p. 184 |
| Mitochondrial Electron Transport Complexes as Biochemical Target Sites for Insecticides and Acaricides | p. 197 |
| The Mitochondrial Electron Transport Chain | p. 197 |
| Overview of Respiratory Electron Transport and Chemiosmotic Coupling | p. 197 |
| Respiratory Electron Transport Complexes | p. 198 |
| Respiratory Electron Transport Complexes as Target Sites for Insecticides | p. 200 |
| NADH: ubiquinone Oxidoreductase (Complex I) | p. 201 |
| Structural Aspects Related to Mechanism | p. 201 |
| Complex I Inhibitors as Insecticides and Acaricides | p. 203 |
| ubihydroquinone: cytochrome c Oxidoreductase | p. 206 |
| Structure and Enzymatic Mechanism | p. 206 |
| Complex III Inhibitors with Insecticidal and Acaricidal Activity | p. 208 |
| ß-Methoxyacrylates | p. 209 |
| 2-Hydroxynaphthoquinones | p. 210 |
| The Respiratory Chain as Insecticide Target Site-Summary and Outlook | p. 211 |
| References | p. 211 |
| Inhibition of Programmed Cell Death by Baculoviruses: Potential in Pest-Management Strategies | p. 217 |
| Introduction | p. 217 |
| The Baculoviruses | p. 220 |
| Molecular Basis of Apoptosis | p. 222 |
| Caspases | p. 222 |
| IAPs | p. 223 |
| P35 | p. 224 |
| Conclusions | p. 228 |
| References | p. 229 |
| Plant Natural Products as a Source for Developing Environmentally Acceptable Insecticides | p. 235 |
| Introduction | p. 235 |
| From Pyrethrum to Synthetic Pyrethroids | p. 236 |
| Azadirachtin and Related Limonoids from the Meliaceae | p. 236 |
| Acetogenins from the Annonaceae | p. 239 |
| Alkaloids from Stemonaceae | p. 240 |
| Napthoquinones from the Scrophulariaceae | p. 241 |
| Rocaglamides from Aglaia (Meliaceae) | p. 242 |
| Monoterpenoids from Plant Essential oils | p. 243 |
| Conclusions | p. 244 |
| References | p. 245 |
| Essential Oils as Biorational Insecticides-Potencyand Mode of Action | p. 249 |
| Introduction | p. 249 |
| Essential oils Activities on Insect Pests | p. 250 |
| Plant Resistance | p. 250 |
| Insecticidal Activity | p. 250 |
| Repellency | p. 251 |
| Anti-feedant | p. 251 |
| Efficacy of Essential oils as Fumigants for the Control of Stored-Product Insects | p. 251 |
| Insecticidal Mode of Action of Essential Oil-Toxicity | p. 253 |
| Introduction | p. 253 |
| Neurotransmitters in Insects | p. 255 |
| Inhibitory Activity of Essential Oils on Acetylcholinesterase (AchE) | p. 256 |
| Inhibitory Activity of Essential Oils on Octopaminergic Sites | p. 257 |
| Concluding Remarks | p. 259 |
| References | p. 260 |
| Insect Cell Lines as Tools in Insecticide Mode of Action Research | p. 263 |
| Introduction | p. 263 |
| Insect Cell Cultures | p. 265 |
| Endocrine Strategies | p. 267 |
| Screening for Ecdysteroid and Juvenile Hormone Activities | p. 267 |
| Ecdysteroid | p. 269 |
| Juvenile Hormones | p. 279 |
| Insect-Specific Metabolic Pathways with Chitin and Cuticle Synthesis | p. 280 |
| Other Insect Targets Related to the Insect Neurological/Nerve, Energy Metabolism and Muscle System | p. 287 |
| Insect Cell Lines as Proxies for Bacillus thuringiensis Insecticidal Proteins | p. 288 |
| Suitability of Insect Cell Lines as Sentinels for Environmental Toxicity and Chemistry | p. 290 |
| Elucidation of Insecticide Resistance Mechanisms Using Insect Cell Lines | p. 291 |
| Conclusions | p. 293 |
| References | p. 294 |
| Index | p. 305 |
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