| Preface |
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xi | |
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1 | (22) |
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1.1 Cell Ability to Deform |
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2 | (9) |
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1.1.1 Monitoring Chitosan Effect on Cancerous Cells |
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6 | (2) |
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1.1.2 Mechanosensitivity of Cancerous Cells |
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8 | (2) |
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1.1.3 Stiffness as Cancer Grades |
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10 | (1) |
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1.2 Cell Ability to Adhere |
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11 | (12) |
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1.2.1 Specific Interactions in Living Cells |
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12 | (11) |
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2 Cell Structure and Functions |
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23 | (30) |
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25 | (4) |
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26 | (2) |
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28 | (1) |
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2.1.3 Other Components of the ECM---Hyaluronan |
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29 | (1) |
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29 | (8) |
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30 | (1) |
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31 | (4) |
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35 | (2) |
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37 | (9) |
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38 | (1) |
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39 | (3) |
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42 | (1) |
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2.3.4 Immunoglobulin Family |
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43 | (1) |
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44 | (2) |
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46 | (7) |
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47 | (1) |
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48 | (1) |
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2.4.3 Intermediate Filaments |
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49 | (4) |
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3 Principles of Atomic Force Microscopy |
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53 | (42) |
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3.1 Principles of the AFM Operation |
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53 | (14) |
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55 | (3) |
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3.1.2 Detection System of Cantilever Deflection |
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58 | (2) |
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60 | (1) |
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3.1.4 Scanning and Positioning System |
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60 | (7) |
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67 | (28) |
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69 | (1) |
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3.2.1.1 Photodetector sensitivity |
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69 | (2) |
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3.2.1.2 Correction factor κ for PSD sensitivity |
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71 | (1) |
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72 | (9) |
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3.2.1.4 Force versus sample-distance conversion |
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81 | (2) |
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3.2.1.5 Hydrodynamic drag |
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83 | (2) |
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3.2.1.6 Force detection limit |
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85 | (2) |
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3.2.1.7 Scanner linearization |
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87 | (2) |
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3.2.1.8 Scanner velocity determination |
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89 | (6) |
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4 Quantification of Cellular Elasticity |
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95 | (54) |
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4.1 Materials Properties and Theoretical Models |
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95 | (12) |
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4.1.1 Basic Terms Used in Material Mechanics |
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95 | (3) |
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98 | (1) |
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4.1.2.1 Mechanical behavior of soft materials |
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99 | (3) |
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4.1.2.2 Soft glassy model |
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102 | (2) |
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4.1.2.3 Tensegrity theory |
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104 | (2) |
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4.1.2.4 Classification of material properties based on indentation |
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106 | (1) |
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4.2 Single-Cell Deformability Measurements |
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107 | (42) |
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4.2.1 Experimental Conditions for the AFM |
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110 | (3) |
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4.2.2 Criteria for Force Curve Selection |
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113 | (3) |
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4.2.3 Force versus Indentation Curves |
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116 | (1) |
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4.2.4 Determination of Young's Modulus |
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117 | (2) |
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4.2.4.1 The final Young's modulus calculations |
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119 | (2) |
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4.2.5 Depth-Sensing Analysis |
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121 | (5) |
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4.2.6 Stiffness Tomography |
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126 | (1) |
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4.2.7 Distinct Factors Influencing Cell's Elasticity |
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127 | (1) |
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4.2.7.1 Calibration-based discrepancy |
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128 | (1) |
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4.2.7.2 Variability stemming from cell-related factors |
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129 | (3) |
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4.2.7.3 The influence of the AFM experimental conditions |
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132 | (2) |
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4.2.7.4 Discrepancies stemming from the Hertz contact mechanics theory |
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134 | (2) |
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4.2.7.5 The contact point determination and data analysis |
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136 | (2) |
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4.2.7.6 Substrate properties |
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138 | (1) |
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4.2.7.7 Comparing properties of human bladder cancer cells |
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139 | (10) |
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5 Adhesive Properties Studied by AFM |
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149 | (68) |
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5.1 Unbinding of Molecules: Theoretical Basis |
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150 | (17) |
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5.1.1 Brief Introduction to Kramer's Theory |
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150 | (2) |
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5.1.2 Force-Induced Single Bond Disruption |
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152 | (4) |
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5.1.3 Hierarchic Crossing through the Energy Barriers |
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156 | (2) |
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5.1.4 The Energy Barrier Height |
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158 | (1) |
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5.1.5 Multiple Bond Rupture |
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159 | (1) |
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5.1.5.1 Sequential bond rupture: the "zipper-like" model |
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159 | (2) |
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5.1.5.2 Sequential bond rupture: the "parallel-like" model |
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161 | (2) |
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5.1.6 Comparing Unbinding Properties of Two Single Complexes |
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163 | (3) |
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5.1.7 Other Theoretical Models for Single Molecule Interactions |
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166 | (1) |
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5.1.7.1 Dudko--Hummer--Szabo model |
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166 | (1) |
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5.1.7.2 Friddle--Noy--De Yoreo model |
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167 | (1) |
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5.2 AFM Measurements of Adhesive Properties |
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167 | (23) |
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5.2.1 Attachment of Molecules to Desired Surfaces |
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169 | (1) |
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5.2.1.1 AFM probe functionalization |
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169 | (5) |
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5.2.1.2 Preparation of a cell probe |
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174 | (2) |
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5.2.1.3 Cells preparation for the AFM measurements |
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176 | (1) |
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5.2.2 Inhibition of Binding Site |
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176 | (2) |
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5.2.3 The Unbinding of Molecular Complexes: Force Curves |
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178 | (2) |
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5.2.4 Parameters Derived from a Single Force Curve |
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180 | (1) |
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5.2.4.1 The pull-off force and force histogram |
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181 | (3) |
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5.2.4.2 Relation between the unbinding force and the number of ruptured bonds |
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184 | (2) |
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5.2.4.3 The rupture length and its histogram |
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186 | (1) |
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5.2.4.4 The number of ruptured bonds |
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187 | (2) |
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5.2.4.5 The unbinding probability |
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189 | (1) |
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5.3 Single Molecule Interaction in Living Cells: A Case Study |
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190 | (13) |
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5.3.1 Properties of N-Cadherin in Bladder Cancer Studied by AFM |
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190 | (1) |
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5.3.1.1 Shape of the force curves for Ncad--GC4 complex |
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191 | (1) |
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5.3.1.2 Unbinding force dependence on loading rate |
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192 | (1) |
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5.3.1.3 Force histograms for Ncad--GC4 complex |
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193 | (2) |
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5.3.1.4 Multiple unbinding in human bladder cells |
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195 | (2) |
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5.3.1.5 Bell--Evans model parameters |
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197 | (1) |
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5.3.1.6 Energy landscape reconstruction |
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198 | (1) |
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5.3.1.7 Kinetics profiles |
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199 | (1) |
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5.3.1.8 Specificity of the Ncadh--GC4 complex |
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200 | (2) |
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5.3.1.9 Summary for Ncadh--CG4 complex |
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202 | (1) |
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5.4 Living Cell as a Probe |
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203 | (14) |
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217 | (4) |
| Index |
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221 | |