LEADER 01842nam 2200409 450 001 9910220545403321 005 20230213224009.0 035 $a(CKB)3810000000213828 035 $a(OCoLC)842295776 035 $a(EXLCZ)993810000000213828 100 $a20171016d1980 uy 0 101 0 $adut 135 $aurcn#nnn||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aArbeidsaanbod-projecties 1980-2000 /$fJ.A.H. Bron 210 1$a's-Gravenhage :$cStaatsuitgeverij,$d1980. 215 $a1 online resource (60 pages) 225 0 $aOpen Access e-Books 225 0 $aKnowledge Unlatched 225 1 $aVoorstudies en achtergronden / Wetenschappelijke Raad voor het Regeringsbeleid ;$v21 330 $aDe serie 'Voorstudies en achtergronden' omvat werkstukken die in het kader van de werkzaamheden van de WRR tot stand zijn gekomen en naar zijn oordeel van zodanige kwaliteit en betekenis zijn, dat publicatie gewenst is. De verantwoordelijkheid voor de inhoud en de ingenomen standpunten berust bij de auteurs. 330 $aThe series 'Preliminary studies and backgrounds' comprises papers that have been produced within the framework of the work of the WRR and in his opinion are of such quality and significance that publication is desirable. Responsibility for the content and the positions adopted rests with the authors. 410 0$aVoorstudies en achtergronden ;$v21. 606 $aLabor supply$zNetherlands 606 $aEmployment forecasting$zNetherlands 615 0$aLabor supply 615 0$aEmployment forecasting 676 $a331.1209492 700 $aBron$b J.A.H.$0913554 801 0$bAuAdUSA 801 1$bAuAdUSA 906 $aBOOK 912 $a9910220545403321 996 $aArbeidsaanbod-projecties 1980-2000$92046326 997 $aUNINA LEADER 10774nam 2200541 450 001 9910830739203321 005 20231110223738.0 010 $a1-119-48813-3 010 $a1-119-48817-6 010 $a1-119-48819-2 035 $a(CKB)4940000000618103 035 $a(MiAaPQ)EBC6794646 035 $a(Au-PeEL)EBL6794646 035 $a(OCoLC)1281654140 035 $a(EXLCZ)994940000000618103 100 $a20220721d2022 uy 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aDiatom morphogenesis /$fedited by Joseph Seckbach, Vadim V. Annenkov, Richard Gordon 210 1$aHoboken, NJ :$cJohn Wiley & Sons, Inc.,$d2022. 215 $a1 online resource (448 pages) 225 0 $aDiatoms: Biology and Applications 311 $a1-119-48795-1 327 $aCover -- Half-Title Page -- Series Page -- Title Page -- Copyright Page -- Contents -- Preface -- Part 1: General Issues -- 1 Introduction for a Tutorial on Diatom Morphology -- 1.1 Diatoms in Brief -- 1.2 Tools to Explore Diatom Frustule Morphology -- 1.3 Diatom Frustule 3D Reconstruction -- 1.3.1 Recommended Steps to Understand the Complex Diatom Morphology: A Guide for Beginners -- 1.4 Conclusion -- Acknowledgements -- References -- 2 The Uncanny Symmetry of Some Diatoms and Not of Others: A Multi-Scale Morphological Characteristic and a Puzzle for Morphogenesis* -- 2.1 Introduction -- 2.1.1 Recognition and Symmetry -- 2.1.2 Symmetry and Growth -- 2.1.3 Diatom Pattern Formation, Growth, and Symmetry -- 2.1.4 Diatoms and Uncanny Symmetry -- 2.1.5 Purpose of This Study -- 2.2 Methods -- 2.2.1 Centric Diatom Images Used for Analysis -- 2.2.2 Centric Diatoms, Morphology, and Valve Formation -- 2.2.3 Image Entropy and Symmetry Measurement -- 2.2.4 Image Preparation for Measurement -- 2.2.5 Image Tilt and Slant Measurement Correction for Entropy Values -- 2.2.6 Symmetry Analysis -- 2.2.7 Entropy, Symmetry, and Stability -- 2.2.8 Randomness and Instability -- 2.3 Results -- 2.3.1 Symmetry Analysis -- 2.3.2 Valve Formation-Stability and Instability Analyses -- 2.4 Discussion -- 2.4.1 Symmetry and Scale in Diatoms -- 2.4.2 Valve Formation and Stability -- 2.4.3 Symmetry, Stability and Diatom Morphogenesis -- 2.4.4 Future Research-Symmetry, Stability and Directionality in Diatom Morphogenesis -- References -- 3 On the Size Sequence of Diatoms in Clonal Chains -- 3.1 Introduction -- 3.2 Mathematical Analysis of t he Size Sequence -- 3.2.1 Alternative Method for Calculating the Size Sequence -- 3.2.2 Self-Similarity and Fractal Structure -- 3.2.3 Matching Fragments to a Generation Based on Known SizeIndices of the Fragment. 327 $a3.2.4 Sequence of the Differences of the Size Indices -- 3.2.5 Matching Fragments to a Generation Based on Unknown SizeIndices of the Fragment -- 3.2.6 Synchronicity of Cell Divisions -- 3.3 Observations -- 3.3.1 Challenges in Verifying the Sequence of Sizes -- 3.3.2 Materials and Methods -- 3.3.3 Investigation of the Size Sequence of a Eunotia sp. -- 3.3.4 Synchronicity -- 3.4 Conclusions -- Acknowledgements -- Appendix 3A L-System for the Generation of the Sequence of Differences in Size Indices of Adjacent Diatoms -- Appendix 3B Probability Consideration for Loss of Synchronicity -- References -- 4 Valve Morphogenesis in Amphitetrasantediluviana Ehrenberg -- 4.1 Introduction -- 4.2 Material and Methods -- 4.3 Observations -- 4.3.1 Amphitetras antediluviana Mature Valves -- 4.3.2 Amphitetras antediluviana Forming Valves -- 4.3.3 Amphitetras antediluviana Girdle Band Formation -- 4.4 Conclusion -- Acknowledgments -- References -- Part 2: Simulation -- 5 Geometric Models of Concentric and Spiral Areola Patterns of Centric Diatoms -- 5.1 Introduction -- 5.2 Set of Common Rules Used in the Models -- 5.3 Concentric Pattern of Areolae -- 5.4 Spiral Patterns of Areolae -- 5.4.1 Unidirectional Spiral Pattern -- 5.4.2 Bidirectional Spiral Pattern -- 5.4.3 Common Genesis of Unidirectional and Bidirectional Spiral Patterns -- 5.5 Conversion of an Areolae-Based Model Into a Frame-Based Model -- 5.6 Conclusion -- Acknowledgements -- References -- 6 Diatom Pore Arrays' Periodicities and Symmetries in the Euclidean Plane: Nature Between Perfection and Imperfection -- 6.1 Introduction -- 6.2 Materials and Methods -- 6.2.1 Micrograph Segmentation -- 6.2.2 Two-Dimensional Fast Fourier Analysis and Autocorrelation Function Analysis -- 6.2.3 Lattice Measurements and Recognition -- 6.2.4 Accuracy of 2D ACF-Based Calculations. 327 $a6.2.5 The Perfection of the Unit Cell Parameters Between Different Parts (Groups of Pore Arrays) of the Same Valve and the Same Micrograph -- 6.3 Results and Discussion -- 6.3.1 Toward Standardization of the Methodology for the Recognition of 2D Periodicities of Pore Arrays in Diatom Micrographs -- 6.3.1.1 Using Two-Dimensional Fast Fourier Transform Analysis -- 6.3.1.2 Using Two-Dimensional Autocorrelation Function -- 6.3.1.3 The Accuracy of Lattice Parameters' Measurements Using the Proposed 2D ACF Analysis -- 6.3.2 Exploring the Periodicity in Our Studied Micrographs and the Possible Presence of Different Types of 2D Lattices in Diatoms -- 6.3.2.1 Irregular Pore Scattering (Non-Periodic Pores) -- 6.3.2.2 Linear Periodicity of Pores in Striae (1D Periodicity) -- 6.3.2.3 The Different 2D Lattices in Diatom Pore Arrays -- 6.3.3 How Perfectly Can Diatoms Build Their 2D Pore Arrays? -- 6.3.3.1 Variation of the 2D Lattice Within the Connected Pore Array of the Valve -- 6.3.3.2 Comparison of 2D Lattice Parameters and Degree of Perfection of Distinct Pore Array Groups in the Same Micrograph and Va -- 6.3.3.3 The Perfection of 2D Lattices of Diatom Pore Arrays Compared to Perfect (Non-Oblique) 2D Bravais Lattices -- 6.3.4 Planar Symmetry Groups to Describe the Whole Diatom Valve Symmetries and Additionally Describe the Complicated 2D Periodic Pore Arrays' Symmetries -- 6.3.4.1 Rosette Groups -- 6.3.4.2 Frieze Groups -- 6.3.4.3 Wallpaper Groups -- 6.4 Conclusion -- Acknowledgment -- Glossary -- References -- 7 Quantified Ensemble 3D Surface Features Modeled as a Window on Centric Diatom Valve Morphogenesis -- 7.1 Introduction -- 7.1.1 From 3D Surface Morphology to Morphogenesis -- 7.1.2 Geometric Basis of 3D Surface Models and Analysis -- 7.1.3 Differential Geometry of 3D Surface -- 7.1.4 3D Surface Feature Geometry and Morphological Attributes. 327 $a7.1.5 Centric Diatom Taxa Used as Exemplars in 3D Surface Models for Morphogenetic Analysis -- 7.1.6 Morphogenetic Descriptors of Centric Diatoms in Valve Formation as Sequential Change in 3D Surface Morphology -- 7.1.7 Purposes of This Study -- 7.2 Methods -- 7.2.1 Measurement of Ensemble Surface Features and 3D Surface Morphology: Derivation and Solution of the Jacobian, Hessian, Laplacian, and Christoffel Symbols -- 7.2.1.1 The Jacobian of 3D Surface Morphology -- 7.2.1.2 Monge Patch -- 7.2.1.3 First and Second Fundamental Forms and Surface Characterization of the Monge Patch -- 7.2.1.4 3D Surface Characterization via Gauss and Weingarten Maps and the Fundamental Forms -- 7.2.1.5 Peaks, Valleys, and Saddles of Surface Morphology and the Hessian -- 7.2.1.6 Smoothness as a Characterization of Surface Morphology and the Laplacian -- 7.2.1.7 Point Connections of 3D Surface Morphology and Christoffel Symbols -- 7.2.1.8 Protocol for Using Centric Diatom 3D Surface Models and Their Ensemble Surface Features in Valve Formation Analysis -- 7.3 Results -- 7.4 Discussion -- 7.4.1 Ensemble Surface Features and Physical Characteristics of Valve Morphogenesis -- 7.4.2 Factors Affecting Valve Formation -- 7.4.3 Diatom Growth Patterns-Buckling and Wave Fronts -- 7.4.4 Valve Formation, Ensemble Surface Features, and Self-Similarity -- 7.4.5 Diatom Morphogenesis: Cytoplasmic Inheritance and Phenotypic Plasticity -- 7.4.6 Phenotypic Variation and Ensemble Surface Features: Epistasis and Canalization -- 7.5 Conclusions -- Acknowledgment -- References -- 8 Buckling: A Geometric and Biophysical Multiscale Feature of Centric Diatom Valve Morphogenesis -- 8.1 Introduction -- 8.2 Purpose of Study -- 8.3 Background: Multiscale Diatom Morphogenesis -- 8.3.1 Valve Morphogenesis-Schemata of Schmid and Volcani and of Hildebrand, Lerch, and Shrestha. 327 $a8.3.2 Valve Formation-An Overview at the Microscale -- 8.3.3 Valve Formation-An Overview at the Mesoand Microscale -- 8.3.4 Valve Formation-An Overview at the Mesoand Nanoscale -- 8.4 Biophysics of Diatom Valve Formation and Buckling -- 8.4.1 Buckling as a Multiscale Measure of Valve Formation -- 8.4.2 Valve Formation-Cytoplasmic Features and Buckling -- 8.4.3 Buckling: Microtubule Filaments and Bundles -- 8.4.4 Buckling: Actin Filament Ring -- 8.5 Geometrical and Biophysical Aspects of Buckling and Valve Formation -- 8.5.1 Buckling: Geometry of Valve Formation as a Multiscale Wave Front -- 8.5.2 Buckling: Valve Formation and Hamiltonian Biophysics -- 8.5.3 Buckling: Valve Formation and Deformation Gradients -- 8.5.4 Buckling: Multiscale Measurement With Respect to Valve Formation -- 8.5.5 Buckling: Krylov Methods and Association of Valve Surface Buckling With Microtubule and Actin Buckling -- 8.6 Methods -- 8.6.1 Constructing and Analyzing 3D Valve Surface and 2D Microtubule and Actin Filament Models -- 8.6.2 Krylov Methods: Associating Valve Surface With Microtubule and Actin Filament Buckling -- 8.7 Results -- 8.8 Conclusion -- References -- 9. Are Mantle Profiles of Circular Centric Diatoms a Measure of Buckling Forces During Valve Morphogenesis? -- 9.1 Introduction -- 9.2 Methods -- 9.2.1 Background: Circular Centric 2D Profiles and 3D Surfaces of Revolution -- 9.3 Results -- 9.3.1 Approximate Constant Profile Length Representing Approximate Same Sized Valves -- 9.3.2 Change in Profile Length Representing Size Reduction During Valve Morphogenesis -- 9.3.3 Are Profiles Measures of Buckling Forces During Valve Morphogenesis? -- 9.4 Discussion -- 9.4.1 Laminated Structures and Mantle Buckling Forces Affecting the Valve Profile -- 9.5 Conclusion -- Acknowledgement -- References -- Part 3: Physiology, Biochemistry and Applications. 327 $a10 The Effect of the Silica Cell Wall on Diatom Transport and Metabolism*. 410 0$aDiatoms: Biology and Applications 606 $aDiatoms 606 $aMorphogenesis 615 0$aDiatoms. 615 0$aMorphogenesis. 676 $a579.85 702 $aSeckbach$b J$g(Joseph), 702 $aAnnenkov$b Vadim V. 702 $aGordon$b Richard 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910830739203321 996 $aDiatom morphogenesis$94013112 997 $aUNINA