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60 results for “Buckling”
Data for Embryo-scale epithelial buckling forms a propagating furrow that initiates gastrulation
<p>This is the data and code corresponding to <a href="https://doi.org/10.1038/s41467-022-30493-3">Embryo-scale epithelial buckling forms a propagating furrow that initiates gastrulation</a>, <em>Nature Comms.</em> <strong>13</strong>:3348.</p> <p><strong>Code</strong></p> <p>The file Surface_Evolver_script.txt is ... the Surface Evolver script, use with <a href="http://facstaff.susqu.edu/brakke/evolver/evolver.html">Ken Brakke's Surface Evolver</a></p> <p><strong>Data sources</strong></p> <p>The figure panels are based on the datafiles listed below, visualised either with <a href="http://facstaff.susqu.edu/brakke/evolver/evolver.html">Ken Brakke's Surface Evolver </a>or with <a href="http://www.gnuplot.info/">gnuplot 5</a>. When the datafiles listed do not contain the primary data, they contain a commented last line which is the command line for the software <a href="https://doi.org/10.5281/zenodo.5911337">datamerge</a> to generate it from other datafiles found in the Data_sources subdirectory.</p> <p><strong>Figure 1</strong></p> <p>Fig. 1c : data provided in <code>data_for_Fig_1g.tsv</code></p> <p>Fig. 1f : visualisation from Surface Evolver file <code>Young100dixPoisson000Step013.dmp</code></p> <p>Fig. 1g : <code>myosin_profile_us_only.pdf</code> generated with gnuplot script <code>myosin_profile.plot</code></p> <p><strong>Figure 2</strong></p> <p>Fig. 2a : <code>strain_profile_100_0_time_013.pdf</code> generated with gnuplot script <code>strain_profile.plot</code></p> <p>Fig. 2b : visualisation from Surface Evolver file <code>Young100dixPoisson000Step013.dmp</code></p> <p>Fig. 2c : <code>stress_profile_100_0_time_013.pdf</code> gnuplot script <code>stress_profile.plot</code></p> <p>Fig. 2d : visualisation from Surface Evolver file <code>Young100dixPoisson000Step063.dmp</code></p> <p><strong>Figure 3</strong></p> <p>Fig. 3a : <code>myosin_area.pdf</code> generated with gnuplot script <code>area_AP_DV_paper.plot</code></p> <p>Fig. 3b : <code>area_stripes_t=-1.pdf</code> generated with gnuplot script <code>area_AP_DV_paper.plot</code></p> <p>Fig. 3c : <code>only_AP_stripes_t=-1.pdf</code> generated with gnuplot script <code>area_AP_DV_paper.plot</code></p> <p>Fig. 3d : <code>only_DV_stripes_t=-1.pdf</code> generated with gnuplot script <code>area_AP_DV_paper.plot</code></p> <p>Fig. 3e : visualisation from Surface Evolver file <code>Young100dixPoisson000Step013.dmp Young100dixPoisson000Step063.dmp Young100dixPoisson000Step163.dmp Young100dixPoisson000Step213.dmp</code></p> <p><strong>Figure 4</strong></p> <p>Fig. 4a : visualisation from Surface Evolver file <code>Young100dixPoisson000Step213.dmp</code></p> <p>Fig. 4b : <code>furrow_propagation.pdf</code> generated with gnuplot script <code>furrow_propagation.plot</code></p> <p>Fig. 4c : <code>rate_of_furrowing_t=3.pdf</code> generated with gnuplot script <code>furrow_propagation.plot</code></p> <p>Fig. 4f : <code>curvature.pdf</code> generated with gnuplot script <code>curvature.plot</code></p> <p><strong>Figure 5</strong></p> <p>Fig. 5a : visualisation from Surface Evolver file <code>Young100dixPoisson000Step013.dmp Young100dixPoisson000Step063.dmp Young100dixPoisson000Step113.dmp Young100dixPoisson000Step163.dmp Young100dixPoisson000Step213.dmp</code></p> <p>Fig. 5b : visualisation from Surface Evolver file <code>Young100dixPoisson000Step013.dmp Young100dixPoisson000Step140.dmp</code></p> <p>Fig. 5d : <code>stress_laserablations_profile_100_0_time_063.pdf</code> generated with gnuplot script <code>stress_profile_for_laser_ablations.plot</code></p> <p>Fig. 5e : <code>laser_ablation_recoil.pdf</code> generated with gnuplot script <code>laser_ablation_recoil.plot</code></p> <p><strong>Supp Figure 1</strong></p> <p>Fig. S1a : <code>time_profile_FINI_100_0.pdf</code> generated with gnuplot script <code>time_profile_stress.plot</code></p> <p>Fig. S1b : visualisation from Surface Evolver file <code>Young100dixPoisson000Step013.dmp</code></p> <p>Fig. S1d : visualisation from Surface Evolver file <code>Young100dixPoisson000Step063.dmp</code></p> <p>Fig. S1e : <code>strain_profile_100_0_time_063.pdf</code> gnuplot script <code>strain_profile.plot</code></p> <p>Fig. S1f : <code>stress_profile_100_0_time_063.pdf</code> gnuplot script <code>stress_profile.plot</code></p> <p><strong>Supp Figure 1</strong></p> <p>Fig. S2a : <code>area_stripes_time_evolution.pdf</code> generated with gnuplot script <code>area_AP_DV_paper.plot</code></p> <p>Fig. S2b : <code>area_stripes_time_evolution_SPIM.pdf</code> generated with gnuplot script <code>area_AP_DV_paper.plot</code></p> <p><strong>Supp Figure 3</strong></p> <p>Fig. S3a : visualisation from Surface Evolver file <code>Young100dixPoisson000Step213.dmp</code></p> <p>Fig. S3c : <code>AP_binned_strain.pdf</code> generated with gnuplot script <code>AP_binned_strain.plot</code></p> <p>Fig. S3d : <code>furrow_propagation_experimental.pdf</code> generated with gnuplot script <code>plot_furrow.plot</code></p> <p>Fig. S3e : <code>curvature_DV_indiv.pdf</code> generated with gnuplot script <code>curvature.plot</code></p> <p>Fig. S3f : <code>depth_Gastrulation_ordi_Wild_Type_STITCHED_100_0.pdf</code> generated with gnuplot script <code>depth.plot</code></p>
Experimental data for "The developmental mechanics of divergent buckling patterns in the chick gut"
<p>Experimental geometric, modulus, and differential growth raw data, measurments, and MATLAB codes from "The developmental mechanics of divergent buckling patterns<br>in the chick gut":</p> <p>Tissue buckling is an increasingly appreciated mode of morphogenesis in the embryo,<br>but it is often unclear how geometric and material parameters are molecularly determined<br>in native developmental contexts to generate diverse functional patterns. Here,<br>we study the link between differential mechanical properties and the morphogenesis<br>of distinct anteroposterior compartments in the intestinal tract—the esophagus, small<br>intestine, and large intestine. These regions originate from a simple, common tube<br>but adopt unique forms. Using measured data from the developing chick gut coupled<br>with a minimal theory and simulations of differential growth, we investigate divergent<br>lumen morphologies along the entire early gut and demonstrate that spatiotemporal<br>geometries, moduli, and growth rates control the segment-specific patterns of mucosal<br>buckling. Primary buckling into wrinkles, folds, and creases along the gut, as well<br>as secondary buckling phenomena, including period-doubling in the foregut and<br>multiscale creasing-wrinkling in the hindgut, are captured and well explained by<br>mechanical models. This study advances our existing knowledge of how identity leads to<br>form in these regions, laying the foundation for future work uncovering the relationship<br>between molecules and mechanics in gut morphological regionalization.</p>
Buckling Metamaterials for Extreme Vibration Damping
<p>This dataset belongs to the article "Buckling Metamaterials for Extreme Vibration Damping". This dataset can be used to reproduce all data reported in this article.</p> <p><strong>Abstract</strong></p> <p>Damping mechanical resonances is a formidable challenge in an increasing number of applications. Many of the passive damping methods rely on using low stiffness dissipative elements, complex mechanical structures or electrical systems, while active vibration damping systems typically add an additional layer of complexity. However, in many cases, the reduced stiffness or additional complexity and mass render these vibration damping methods unfeasible. Here, we introduce a method for passive vibration damping by allowing buckling of the primary load path, which sets an upper limit for vibration transmission: the transmitted acceleration saturates at a maximum value, no matter what the input acceleration is. This nonlinear mechanism leads to an extreme damping coefficient tan delta ~0.23 in our metal metamaterial|orders of magnitude larger than the linear damping of traditional lightweight structural materials. We demonstrate this principle experimentally and numerically in free-standing rubber and metal mechanical metamaterials over a range of accelerations, and show that bi-directional buckling can further improve its performance. Buckling metamaterials pave the way towards extreme vibration damping without mass or stiffness penalty, and as such could be applicable in a multitude of high-tech applications, including aerospace structures, vehicles and sensitive instruments.</p> <p> </p>
Scleral Buckling for Retinal Detachment Prevention in Genetically Confirmed Stickler Syndrome
ClinicalTrials.gov study NCT04465188. IPD Sharing: NO. Countries: 1. Publications: 5.
Macular Buckle With Three-armed Silicone
ClinicalTrials.gov study NCT02169635. IPD Sharing: Not stated. Countries: 1. Publications: 5.
Preoperative Ketorolac for Pain Control in Scleral Buckle Surgery
ClinicalTrials.gov study NCT02729285. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Buckle Me Up!: A Digital Emergency Department Discharge Intervention for Child Car Safety
ClinicalTrials.gov study NCT03799393. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Suprachoroidal Visco-buckling for the Treatment of Rhegmatogenous Retinal Detachment
ClinicalTrials.gov study NCT04557527. IPD Sharing: UNDECIDED. Countries: 1. Publications: 7.
Home Management of Pediatric Buckle Fractures
ClinicalTrials.gov study NCT06633094. IPD Sharing: NO. Countries: 1. Publications: 17.
Effects of Macular Buckle Versus Vitrectomy on Macular Hole and Macular Detachment in Highly Myopic Eyes
ClinicalTrials.gov study NCT03433547. IPD Sharing: NO. Countries: 1. Publications: 2.
Distal Radius Buckle Fracture Follow up Study
ClinicalTrials.gov study NCT03248687. IPD Sharing: NO. Countries: 1. Publications: 1.
On calculating the bending modulus of lipid bilayer membranes from buckling simulations
<p>Molecular dynamics simulations files that correspond to the buckling simulations method to calculate the bending modulus and the box area fluctuations method to calculate the area compressibility modulus. We performed all molecular dynamics (MD) simulations using the GROMACS software (v. 2016.4) and the MARTINI coarse-grained (CG) force field (v. 2.2), using standard simulation parameters. Each file contains GRO, TOP, ITPs, and MDP files that correspond to the equilibration and the production runs. The name of each folder indicates the types of lipids. We simulate single-component lipid bilayers includes: DLPC, (14:0-14:0), DPPC (16:0-16:0), POPC (16:0-18:1), DOPC (18:1-18:1), PUPC (16:0-22:6), DLiPC (18:2-18:2), DNPC (24:6-24:6), POPG (16:0-18:1), POPS (16:0-18:1), POPE (16:0-18:1), and DPSM (16:0-16:0), and lipid mixtures includes : DOPC:CHOL, DPPC:CHOL, POPC:POPE, DPPC:DLPC, POPC:PUPC, DNPC:DLPC, and DPPC:DLiPC:CHOL, with different molar ratios specified in the folders names. </p>
Experimental data from: On Simultaneous Buckling, Contact and Load Carrying Capacity
<p>This paper considers the case of a relatively large number of parallel columns that buckle simultaneously. The close proximity between columns results in the possibility of contact between adjacent columns as buckling proceeds, and this brings with it some interesting observations on load carrying capacity. Some experimental results verify the theoretical development based on the versatility of high-fidelity 3D-printing. The sensitive nature of initial geometric imperfections (slight lack of straightness) and load eccentricity strongly influence post-buckled contact, load-carrying capacity, and, as the number of columns is increased, a statistically-based evaluation of anticipated behavior becomes appropriate.</p>
Mode coupling bi-stability and spectral broadening in buckled carbon nanotube mechanical resonators
<p>Data availability for the Figures of the manuscript.</p>
Integral buckle arrestor efficiency (D=51mm, 114.3mm)
Open the record for dataset details and reuse information.
Using Triamcinolone Acetonide to Reduce Pain After Scleral Buckle Surgery
ClinicalTrials.gov study NCT04701593. IPD Sharing: NO. Countries: 1. Publications: 0.
Suprachoroidal Buckling for the Management of Rhegmatogenous Retinal Detachment
ClinicalTrials.gov study NCT04518696. IPD Sharing: YES. Countries: 0. Publications: 5.
Experimental data from: On Simultaneous Buckling, Contact and Load Carrying Capacity
Open the record for dataset details and reuse information.
Elastic Fibers Define Embryonic Tissue Stiffness to Enable Buckling Morphogenesis of the Small Intestine
GEO Series GSE237492. Gallus gallus. 9 samples. Type: Expression profiling by high throughput sequencing.
Wmid-03de3d - Medieval buckle
A complete copper alloy single looped oval buckle with two lobed knops and offset bar, typically of late 12th to late 14th Centuries AD. It consists of a oval frame, with an narrow offset bar, with a recess for the leather strap. The pin is present. The outer edge of the buckle is decorated. There are two diagonally extending prominent lobed knops, both plain in decorative details. The knops are flanking a recessed central section on the outer edge. This recessed section may have originally taken a 'roller', probably made from a piece of sheet copper alloy metal. For further information, please visit the online database record available at: https://finds.org.uk/database/artefacts/record/id/1069803 Source: Objaverse 1.0 / Sketchfab
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