A. Shore, Tensile strength, MPa, approx. Secant modulus at 100% elongation. MPa, approx Elongation at break, % approx. Tear strength, kN/m, approx Rebound resilience, (8 mm), % approx. Linear shrinkage

. Ahmed, Artificial Swimmers Propelled by Acoustically Activated Flagella, Nano Letters, vol.16, issue.8, pp.4968-4974, 2016.
DOI : 10.1021/acs.nanolett.6b01601

. Ahmed, Selectively manipulable acoustic-powered microswimmers, Scientific Reports, vol.111, issue.1, p.9744, 2015.
DOI : 10.1073/pnas.1413325111

URL : http://www.nature.com/articles/srep09744.pdf

. Arganda-carreras, Consistent and Elastic Registration of Histological Sections Using Vector-Spline Regularization, Lecture Notes in Computer Science, vol.4241, pp.85-95, 2006.
DOI : 10.1007/11889762_8

. Baker, Air and internal damping of thin cantilever beams, International Journal of Mechanical Sciences, vol.9, issue.11, pp.743-766, 1967.
DOI : 10.1016/0020-7403(67)90032-X

G. Batchelor, An Introduction to Fluid Dynamics, 1967.
DOI : 10.1017/CBO9780511800955

. Bertin, Propulsion of Bubble-Based Acoustic Microswimmers, Physical Review Applied, vol.4, issue.6, p.64012, 2015.
DOI : 10.1007/BF02353701

URL : https://hal.archives-ouvertes.fr/hal-01391621

A. Boutier and . Ed, Laser Metrology in Fluid Mechanics: Granulometry, Temperature and Concentration Measurements, 2013.
DOI : 10.1002/9781118576847

C. Brennen, Fluid Mechanics of Propulsion by Cilia and Flagella, Annual Review of Fluid Mechanics, vol.9, issue.1, p.339, 1977.
DOI : 10.1146/annurev.fl.09.010177.002011

. Cademartiri, Using shape for self-assembly, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.17, issue.5524, pp.2824-2847, 2012.
DOI : 10.1088/0953-8984/17/4/R02

J. Canny, A computational approach to edge detection, IEEE Trans. Pattern Analysis and Machine Intelligence, vol.8, issue.6, pp.679-698, 1986.

N. S. Cheng, Formula for the Viscosity of a Glycerol???Water Mixture, Industrial & Engineering Chemistry Research, vol.47, issue.9, pp.3285-3288, 2008.
DOI : 10.1021/ie071349z

S. Childress, Mechanics of swimming and flying, 1981.
DOI : 10.1017/CBO9780511569593

. Dreyfus, Microscopic artificial swimmers, Nature, vol.74, issue.7060, p.862, 2005.
DOI : 10.1016/S0006-3495(98)74029-9

URL : https://hal.archives-ouvertes.fr/hal-00015847

. Drmota, On the imperfection sensitivity of complete spherical shells, Computational Mechanics, vol.2, issue.1, p.63, 1987.
DOI : 10.1007/BF00282045

. Fernandez-prats, Large-amplitude undulatory swimming near a wall, Bioinspiration & Biomimetics, vol.10, issue.1, p.16003, 2015.
DOI : 10.1088/1748-3190/10/1/016003

. Garcia, Random walk of a swimmer in a low-Reynolds-number medium, Physical Review E, vol.83, issue.3, p.35301, 2011.
DOI : 10.1103/PhysRevLett.105.168102

. Gazzola, Scaling macroscopic aquatic locomotion, Nature Physics, vol.425, issue.10, pp.758-761, 2014.
DOI : 10.1038/nature02000

URL : https://hal.archives-ouvertes.fr/hal-01680184

. Golestanian, Propulsion of a Molecular Machine by Asymmetric Distribution of Reaction Products, Physical Review Letters, vol.24, issue.22, pp.94-220801, 2005.
DOI : 10.1017/S0033583500003735

. Gräff, An investigation of the complete post-buckling behavior of axisymmetric spherical shells, Zeitschrift f??r angewandte Mathematik und Physik, vol.65, issue.2, pp.36-803, 1985.
DOI : 10.1002/zamm.19850650205

J. W. Hutchinson, Imperfection Sensitivity of Externally Pressurized Spherical Shells, Journal of Applied Mechanics, vol.34, issue.1, pp.49-55, 1967.
DOI : 10.1115/1.3607667

. Kaynak, Acoustic actuation of bioinspired microswimmers, Lab on a Chip, vol.15, issue.3, pp.395-400, 2017.
DOI : 10.1039/C5LC00231A

&. Knoche, S. Kierfeld-]-knoche, and J. Kierfeld, Buckling of spherical capsules, Physical Review E, vol.84, issue.4, p.46608, 2011.
DOI : 10.1103/PhysRevE.83.051925

R. S. Lakes and . Ed, Viscoelastic Materials, 2009.
DOI : 10.1017/CBO9780511626722

&. Landau, . Lifshitz, L. Landau, and E. Lifshitz, Theory of elasticity, 1986.

. Lauga, Swimming in Circles: Motion of Bacteria near Solid Boundaries, Biophysical Journal, vol.90, issue.2, p.400, 2006.
DOI : 10.1529/biophysj.105.069401

E. Lauga and T. R. Powers, The hydrodynamics of swimming microorganisms, Reports on Progress in Physics, vol.72, issue.9, p.96601, 2009.
DOI : 10.1088/0034-4885/72/9/096601

. Lee, The Geometric Role of Precisely Engineered Imperfections on the Critical Buckling Load of Spherical Elastic Shells, Journal of Applied Mechanics, vol.83, issue.11, pp.111005-111005, 2016.
DOI : 10.1115/1.4034431

&. Libai, . Simmonds, A. Libai, and J. Simmonds, The nonlinear theory of elastic shells, 1998.

M. J. Lighthill, Note on the swimming of slender fish, Journal of Fluid Mechanics, vol.9, issue.02, p.305, 1960.
DOI : 10.1017/S0022112060001110

[. Jimenez, Technical Brief: Knockdown Factor for the Buckling of Spherical Shells Containing Large-Amplitude Geometric Defects, Journal of Applied Mechanics, vol.84, issue.3, 2017.
DOI : 10.1115/1.4035665

. Marmottant, Buckling resistance of solid shell bubbles under ultrasound, The Journal of the Acoustical Society of America, vol.129, issue.3, pp.1231-1239, 2011.
DOI : 10.1121/1.3543943

URL : https://hal.archives-ouvertes.fr/hal-00579264

. Marmottant, Buckling resistance of solid shell bubbles under ultrasound, The Journal of the Acoustical Society of America, vol.129, issue.3, pp.1231-1239, 2011.
DOI : 10.1121/1.3543943

URL : https://hal.archives-ouvertes.fr/hal-00579264

L. Ng, Solvent compatibility of poly(dimethylsiloxane)-based microfluidic devices, Analytical Chemistry, issue.23, pp.75-6544, 2003.

. Palagi, in ciliates: from biology to material specifications, Bioinspiration & Biomimetics, vol.8, issue.4, p.46004, 2013.
DOI : 10.1088/1748-3182/8/4/046004

. Pande, Effect of body deformability on microswimming, Soft Matter, vol.28, issue.21, 2017.
DOI : 10.1515/znc-1973-11-1209

. Paxton, Catalytic Nanomotors:?? Autonomous Movement of Striped Nanorods, Journal of the American Chemical Society, vol.126, issue.41, pp.13424-13431, 2004.
DOI : 10.1021/ja047697z

. Peyer, Bacteria-Inspired Microrobots, pp.165-199, 2012.
DOI : 10.1016/B978-1-4557-7891-1.00007-4

. Pisani, Tuning microcapsules surface morphology using blends of homo- and copolymers of PLGA and PLGA-PEG, Soft Matter, vol.18, issue.3???4, pp.3054-3060, 2009.
DOI : 10.1039/b902042j

A. Pogorelov, Bendings of surfaces and stability of shells, 1988.

E. M. Purcell, Life at low reynolds number, Am. J. Phys, issue.3, p.45, 1977.
DOI : 10.1063/1.30370

. Qiu, Swimming by reciprocal motion at low Reynolds number, Nature Communications, vol.66, p.5119, 2014.
DOI : 10.1002/(SICI)1097-0215(19960529)66:5<664::AID-IJC14>3.0.CO;2-4

URL : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4241991/pdf

C. Quilliet, Numerical deflation of beach balls with various Poisson???s ratios: From sphere to bowl???s shape, The European Physical Journal E, vol.107, issue.6, p.48, 2012.
DOI : 10.1103/PhysRevLett.107.174301

. Quilliet, Erratum to: Anisotropic colloids through non-trivial buckling, The European Physical Journal E, vol.32, issue.4, pp.419-420, 2010.
DOI : 10.1140/epje/i2010-10633-0

URL : https://hal.archives-ouvertes.fr/hal-00641895

. Sorzano, Elastic Registration of Biological Images Using Vector-Spline Regularization, IEEE Transactions on Biomedical Engineering, vol.52, issue.4, pp.652-663, 2005.
DOI : 10.1109/TBME.2005.844030

&. Tamm, . Horridge, S. L. Tamm, and G. A. Horridge, The Relation between the Orientation of the Central Fibrils and the Direction of Beat in Cilia of Opalina, Proceedings of the Royal Society B: Biological Sciences, vol.175, issue.1040, pp.219-233, 1970.
DOI : 10.1098/rspb.1970.0020

Y. Tanida, Ground Effect in Flight. Birds, Fishes and High-Speed Vehicle., JSME International Journal Series B, vol.44, issue.4, p.481, 2001.
DOI : 10.1299/jsmeb.44.481

M. S. Triantafyllou, Vorticity Control in Fish-like Propulsion and Maneuvering, Integrative and Comparative Biology, 2002.
DOI : 10.1093/icb/42.5.1026

URL : https://academic.oup.com/icb/article-pdf/42/5/1026/1877903/i1540-7063-042-05-1026.pdf

. Tropea, Handbook of experimental fluid mechanics, 2007.

. Vincent, Spontaneous Firings of Carnivorous Aquatic Utricularia Traps: Temporal Patterns and Mechanical Oscillations, PLoS ONE, vol.90, issue.5, p.20205, 2011.
DOI : 10.1371/journal.pone.0020205.s002

URL : https://hal.archives-ouvertes.fr/hal-00642061

J. A. Walker, Functional Morphology and Virtual Models: Physical Constraints on the Design of Oscillating Wings, Fins, Legs, and Feet at Intermediate Reynolds Numbers, Integrative and Comparative Biology, vol.42, issue.2, p.232, 2002.
DOI : 10.1093/icb/42.2.232

. Yi, Recent progress on patchy colloids and their self-assembly, Journal of Physics: Condensed Matter, vol.25, issue.19, 2013.
DOI : 10.1088/0953-8984/25/19/193101

. Zhang, Artificial bacterial flagella: Fabrication and magnetic control, Applied Physics Letters, vol.94, issue.6, p.64107, 2009.
DOI : 10.1007/978-94-009-8352-6_1

&. Zhang, L. Zhang, and C. Q. Ru, Imperfection sensitivity of pressured buckling of biopolymer spherical shells, Physical Review E, vol.21, issue.6, pp.93-062403, 2016.
DOI : 10.1016/0020-7225(85)90051-5

&. Zoldesi, . Imhof, C. Zoldesi, and A. Imhof, Synthesis of Monodisperse Colloidal Spheres, Capsules, and Microballoons by Emulsion Templating, Advanced Materials, vol.123, issue.7, p.924, 2005.
DOI : 10.1002/adma.200401183