C. Bodas and . Khan-malek, Hydrophilization and hydrophobic recovery of PDMS by oxygen plasma and chemical treatment???An SEM investigation, Sensors and Actuators B: Chemical, vol.123, issue.1, pp.368-371, 2007.
DOI : 10.1016/j.snb.2006.08.037

G. M. Xia and . Whitesides, Soft Lithography, Angewandte Chemie International Edition, vol.37, issue.5, pp.550-555, 1998.
DOI : 10.1002/(SICI)1521-3773(19980316)37:5<550::AID-ANIE550>3.0.CO;2-G

E. Morra, R. Occhiello, F. Marola, P. Garbassi, D. Humphrey et al., On the aging of oxygen plasma-treated polydimethylsiloxane surfaces, Journal of Colloid and Interface Science, vol.137, issue.1, pp.11-13, 1990.
DOI : 10.1016/0021-9797(90)90038-P

L. Chen, T. Liu, and . Wang, Investigation of the mechanical properties of thin films by nanoindentation, considering the effects of thickness and different coating???substrate combinations, Surface and Coatings Technology, vol.191, issue.1, pp.25-28, 2005.
DOI : 10.1016/j.surfcoat.2004.03.037

W. D. Saha and . Nix, Effects of the substrate on the determination of thin film mechanical properties by nanoindentation, Acta Materialia, vol.50, issue.1, pp.23-38, 2002.
DOI : 10.1016/S1359-6454(01)00328-7

P. Béfahy, T. Lipnik, C. Pardoen, B. Nascimento, P. Patris et al., Thickness and Elastic Modulus of Plasma Treated PDMS Silica-like Surface Layer, Langmuir, vol.26, issue.5, pp.3372-3375, 2010.
DOI : 10.1021/la903154y

M. Domke and . Radmacher, Measuring the Elastic Properties of Thin Polymer Films with the Atomic Force Microscope, Langmuir, vol.14, issue.12, pp.3320-3325, 1998.
DOI : 10.1021/la9713006

A. O. Connell, Rheological Measurements of the Thermoviscoelastic Response of Ultrathin Polymer Films, Science, vol.307, issue.5716, pp.1760-1763, 2005.
DOI : 10.1126/science.1105658

O. K. Du, Q. Tsui, T. Zhang, and . He, Study of Elastic Modulus and Yield Strength of Polymer Thin Films Using Atomic Force Microscopy, Langmuir, vol.17, issue.11, pp.3286-3291, 2001.
DOI : 10.1021/la001434a

H. Abou-saleh, S. A. Peyman, K. Critchley, S. D. Evans, and N. H. Thomson, Nanomechanics of Lipid Encapsulated Microbubbles with Functional Coatings, Langmuir, vol.29, issue.12, pp.4096-4103, 2013.
DOI : 10.1021/la304093t

G. Ahangari, A. Fereidoon, M. Jahanshahi, and N. Sharifi, Effect of nanoparticles on the micromechanical and surface properties of poly(urea???formaldehyde) composite microcapsules, Composites Part B: Engineering, vol.56, pp.450-455, 2014.
DOI : 10.1016/j.compositesb.2013.08.071

I. Ye, R. Drachuk, H. Calabrese, D. L. Dai, V. V. Kaplan et al., Permeability and Micromechanical Properties of Silk Ionomer Microcapsules, Langmuir, vol.28, issue.33, pp.12235-12244, 2012.
DOI : 10.1021/la302455y

M. Yin, J. Retsch, E. L. Lee, M. C. Thomas, and . Boyce, Mechanics of Nanoindentation on a Monolayer of Colloidal Hollow Nanoparticles, Langmuir, vol.27, issue.17, pp.10492-10500, 2011.
DOI : 10.1021/la2018117

P. S. Tan and C. T. Lim, Nanoindentation study of nanofibers, Applied Physics Letters, vol.87, issue.12, p.123106, 2005.
DOI : 10.1063/1.2051802

Q. Sui, M. A. Chen, G. J. Hempenius, and . Vancso, Probing the Collapse Dynamics of Poly(N-isopropylacrylamide) Brushes by AFM: Effects of Co-nonsolvency and Grafting Densities, Small, vol.24, issue.10, pp.1440-1447, 2011.
DOI : 10.1002/smll.201002229

A. J. Zhang, S. P. Morse, A. L. Armes, M. Lewis, G. J. Geoghegan et al., Nanoscale Contact Mechanics of Biocompatible Polyzwitterionic Brushes, Langmuir, vol.29, issue.34, pp.10684-10692, 2013.
DOI : 10.1021/la4018689

A. Vella, A. Ajdari, A. Vaziri, and . Boudaoud, The indentation of pressurized elastic shells: from polymeric capsules to yeast cells, Journal of The Royal Society Interface, vol.34, issue.5838, pp.448-455, 2011.
DOI : 10.1126/science.1144616

H. Liu, Y. Huang, and . Gu, Deconvolution of mechanical properties of thin films from nanoindentation measurement via finite element optimization, Thin Solid Films, vol.526, pp.183-190, 2012.
DOI : 10.1016/j.tsf.2012.11.024

M. Zhang, Y. Zhao, B. Liu, and . Wang, Extracting the elastic moduli of the constituent layers of a multilayered thin film from nanoindentation tests, Journal of Materials Research, vol.28, issue.18, pp.2570-2576, 2013.
DOI : 10.1557/JMR.1986.0601

T. Li and . Chou, Elastic field of a thin-film/substrate system under an axisymmetric loading, International Journal of Solids and Structures, vol.34, issue.35-36, pp.4463-4478, 1997.
DOI : 10.1016/S0020-7683(97)00053-X

R. Nishino, K. Matsui, and . Nakamae, Elastic modulus of the crystalline regions of chitin and chitosan, Journal of Polymer Science Part B: Polymer Physics, vol.41, issue.11, pp.1191-1196, 1999.
DOI : 10.1002/(SICI)1099-0488(19990601)37:11<1191::AID-POLB13>3.0.CO;2-H

B. P. Limbach, L. Rodrigues, and . Wondraczek, Strain-rate sensitivity of glasses, Journal of Non-Crystalline Solids, vol.404, pp.124-125, 2014.
DOI : 10.1016/j.jnoncrysol.2014.08.023

. Kern, The Evolution of Silicon Wafer Cleaning Technology, Journal of The Electrochemical Society, vol.137, issue.6, pp.1887-1892, 1990.
DOI : 10.1149/1.2086825

J. Villarrubia, Morphological estimation of tip geometry for scanned probe microscopy, Surface Science, vol.321, issue.3, pp.287-300, 1994.
DOI : 10.1016/0039-6028(94)90194-5

A. Kaushik, A. Fuhrmann, A. Cammarato, and . Engler, In Situ Mechanical Analysis of Myofibrillar Perturbation and Aging on Soft, Bilayered Drosophila Myocardium, Biophysical Journal, vol.101, issue.11, pp.2629-2637, 2011.
DOI : 10.1016/j.bpj.2011.10.042

L. Johnson, K. Kendall, and A. D. Roberts, Surface Energy and the Contact of Elastic Solids, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.324, issue.1558, pp.301-313, 1971.
DOI : 10.1098/rspa.1971.0141

J. G. Riess, Blood substitutes and other potential biomedical applications of fluorinated colloids, Journal of Fluorine Chemistry, vol.114, issue.2, pp.119-126, 2002.
DOI : 10.1016/S0022-1139(02)00017-9

E. Pisani, N. Tsapis, J. Paris, V. Nicolas, and L. Cattel, Polymeric Nano/Microcapsules of Liquid Perfluorocarbons for Ultrasonic Imaging:?? Physical Characterization, Langmuir, vol.22, issue.9, pp.4397-4402, 2006.
DOI : 10.1021/la0601455

O. Diou, N. Tsapis, C. Giraudeau, J. Valette, C. Gueutin et al., Long-circulating perfluorooctyl bromide nanocapsules for tumor imaging by 19FMRI, Biomaterials, vol.33, issue.22, pp.5593-5602, 2012.
DOI : 10.1016/j.biomaterials.2012.04.037

L. Mousnier, N. Huang, E. Morvan, E. Fattal, and N. Tsapis, Influence of polymer end-chemistry on the morphology of perfluorohexane polymeric microcapsules intended as ultrasound contrast agents, International Journal of Pharmaceutics, vol.471, issue.1-2, pp.10-17, 2014.
DOI : 10.1016/j.ijpharm.2014.05.012

M. Srinivas, P. A. Morel, L. A. Ernst, D. H. Laidlaw, and E. Ahrens, Fluorine-19 MRI for visualization and quantification of cell migration in a diabetes model, Magnetic Resonance in Medicine, vol.99, issue.4, pp.725-734, 2007.
DOI : 10.1002/mrm.21352

E. Pisani, N. Tsapis, B. Galaz, M. Santin, R. Berti et al., Perfluorooctyl Bromide Polymeric Capsules as Dual Contrast Agents for Ultrasonography and Magnetic Resonance Imaging, Advanced Functional Materials, vol.20, issue.19, pp.2963-2971, 2008.
DOI : 10.1002/adfm.200800454

L. Somaglino, G. Bouchoux, J. Mestas, and C. Lafon, Validation of an acoustic cavitation dose with hydroxyl radical production generated by inertial cavitation in pulsed mode: Application to in vitro drug release from liposomes, Ultrasonics Sonochemistry, vol.18, issue.2, pp.577-588, 2011.
DOI : 10.1016/j.ultsonch.2010.07.009

C. C. Coussios and R. A. Roy, Applications of Acoustics and Cavitation to Noninvasive Therapy and Drug Delivery, Annual Review of Fluid Mechanics, vol.40, issue.1, pp.395-420, 2008.
DOI : 10.1146/annurev.fluid.40.111406.102116

M. Guédra, T. Valier-brasier, J. Conoir, F. Coulouvrat, K. Astafyeva et al., Influence of shell compressibility on the ultrasonic properties of polydispersed suspensions of nanometric encapsulated droplets, The Journal of the Acoustical Society of America, vol.135, issue.3, pp.1044-1055, 2014.
DOI : 10.1121/1.4864784

R. E. Challis, M. J. Povey, M. L. Mather, and A. K. Holmes, Ultrasound techniques for characterizing colloidal dispersions, Reports on Progress in Physics, vol.68, issue.7, pp.1541-1637, 2005.
DOI : 10.1088/0034-4885/68/7/R01

H. Butt, B. Cappella, and M. Kappl, Force measurements with the atomic force microscope: Technique, interpretation and applications, Surface Science Reports, vol.59, issue.1-6, pp.1-152, 2005.
DOI : 10.1016/j.surfrep.2005.08.003

J. Domke and M. Radmacher, Measuring the Elastic Properties of Thin Polymer Films with the Atomic Force Microscope, Langmuir, vol.14, issue.12, pp.3320-3325, 1998.
DOI : 10.1021/la9713006

O. Connell and P. A. , Rheological Measurements of the Thermoviscoelastic Response of Ultrathin Polymer Films, Science, vol.307, issue.5716, pp.1760-1763, 2005.
DOI : 10.1126/science.1105658

B. Du, O. K. Tsui, Q. Zhang, and T. He, Study of Elastic Modulus and Yield Strength of Polymer Thin Films Using Atomic Force Microscopy, Langmuir, vol.17, issue.11, pp.3286-3291, 2001.
DOI : 10.1021/la001434a

Y. Sun, B. Akhremitchev, and G. C. Walker, Using the Adhesive Interaction between Atomic Force Microscopy Tips and Polymer Surfaces to Measure the Elastic Modulus of Compliant Samples, Langmuir, vol.20, issue.14, pp.5837-5845, 2004.
DOI : 10.1021/la036461q

B. Santos, E. Morris, J. K. Glynos, E. Sboros, V. et al., Nanomechanical Properties of Phospholipid Microbubbles, Langmuir, vol.28, issue.13, pp.5753-5760, 2012.
DOI : 10.1021/la204801u

R. H. Abou-saleh, S. A. Peyman, K. Critchley, S. D. Evans, and T. , Nanomechanics of Lipid Encapsulated Microbubbles with Functional Coatings, Langmuir, vol.29, issue.12, pp.4096-4103, 2013.
DOI : 10.1021/la304093t

M. Poehlmann, D. Grishenkov, S. V. Kothapalli, J. Härmark, H. Hebert et al., On the interplay of shell structure with low- and high-frequency mechanics of multifunctional magnetic microbubbles, Soft Matter, vol.16, issue.1, p.214, 2014.
DOI : 10.1039/C3SM51560E

C. A. Grant, J. E. Mckendry, and S. D. Evans, Temperature dependent stiffness and visco-elastic behaviour of lipid coated microbubbles using atomic force microscopy, Soft Matter, vol.32, issue.4, p.1321, 2012.
DOI : 10.1039/C1SM06578E

G. Ahangari, M. Fereidoon, A. Jahanshahi, M. , and S. , Effect of nanoparticles on the micromechanical and surface properties of poly(urea???formaldehyde) composite microcapsules, Composites Part B: Engineering, vol.56, pp.450-455, 2014.
DOI : 10.1016/j.compositesb.2013.08.071

D. Loubens, C. Deschamps, J. Georgelin, M. Charrier, A. Edwards-levy et al., Mechanical characterization of cross-linked serum albumin microcapsules, Soft Matter, vol.13, issue.25, p.4561, 2014.
DOI : 10.1039/c4sm00349g
URL : https://hal.archives-ouvertes.fr/hal-01021093

C. Ye, I. Drachuk, R. Calabrese, H. Dai, D. L. Kaplan et al., Permeability and Micromechanical Properties of Silk Ionomer Microcapsules, Langmuir, vol.28, issue.33, pp.12235-12244, 2012.
DOI : 10.1021/la302455y

J. Yin, M. Retsch, J. Lee, E. L. Thomas, and M. C. Boyce, Mechanics of Nanoindentation on a Monolayer of Colloidal Hollow Nanoparticles, Langmuir, vol.27, issue.17, p.10492, 2011.
DOI : 10.1021/la2018117

E. P. Tan and C. T. Lim, Nanoindentation study of nanofibers, Applied Physics Letters, vol.87, issue.12, p.123106, 2005.
DOI : 10.1063/1.2051802

X. Sui, Q. Chen, M. A. Hempenius, and G. Vancso, Probing the Collapse Dynamics of Poly(N-isopropylacrylamide) Brushes by AFM: Effects of Co-nonsolvency and Grafting Densities, Small, vol.24, issue.10, pp.1440-1447, 2011.
DOI : 10.1002/smll.201002229

Z. Zhang, A. J. Morse, S. P. Armes, A. L. Lewis, M. Geoghegan et al., Nanoscale Contact Mechanics of Biocompatible Polyzwitterionic Brushes, Langmuir, vol.29, issue.34, pp.10684-10692, 2013.
DOI : 10.1021/la4018689

M. Horimizu, T. Kawase, T. Tanaka, K. Okuda, M. Nagata et al., Biomechanical evaluation by AFM of cultured human cell-multilayered periosteal sheets, Micron, vol.48, pp.1-10, 2013.
DOI : 10.1016/j.micron.2013.02.001

P. Carl and H. Schillers, Elasticity measurement of living cells with an atomic force microscope: data acquisition and processing, Pfl??gers Archiv - European Journal of Physiology, vol.2, issue.Suppl 1, pp.551-559, 2008.
DOI : 10.1007/s00424-008-0524-3

D. Vella, A. Ajdari, A. Vaziri, and A. Boudaoud, The indentation of pressurized elastic shells: from polymeric capsules to yeast cells, Journal of The Royal Society Interface, vol.34, issue.5838, pp.448-455, 2011.
DOI : 10.1126/science.1144616

L. Pauchard and S. Rica, Contact and compression of elastic spherical shells: The physics of a ???ping-pong??? ball, Philosophical Magazine Part B, vol.324, issue.2, pp.225-233, 1998.
DOI : 10.1209/0295-5075/23/1/009

E. Reissner, On the solution of a class of problems in membrane theory of thin shells, Journal of the Mechanics and Physics of Solids, vol.7, issue.4, pp.242-246, 1959.
DOI : 10.1016/0022-5096(59)90023-7

A. Reed and D. Gilding, Biodegradable polymers for use in surgery ??? poly(glycolic)/poly(Iactic acid) homo and copolymers: 2. In vitro degradation, Polymer, vol.22, issue.4, pp.494-498, 1981.
DOI : 10.1016/0032-3861(81)90168-3

P. T. Leese, R. J. Noveck, J. S. Shorr, C. M. Woods, K. E. Flaim et al., Randomized Safety Studies of Intravenous Perflubron Emulsion. I. Effects on Coagulation Function in Healthy Volunteers, Anesthesia & Analgesia, vol.91, issue.4, pp.804-811, 2000.
DOI : 10.1097/00000539-200010000-00008

R. J. Noveck, E. J. Shannon, P. T. Leese, J. S. Shorr, K. E. Flaim et al., Randomized Safety Studies of Intravenous Perflubron Emulsion. II. Effects on Immune Function in Healthy Volunteers, Anesthesia & Analgesia, vol.91, issue.4, pp.812-822, 2000.
DOI : 10.1097/00000539-200010000-00009

H. R. Hertz, Ueber die Beruehrung elastischer Koerper (On Contact Between Elastic Bodies), volume 1 of Gesammelte Werke (Collected Works), 1895.

K. Johnson, K. Kendall, and A. Roberts, Surface Energy and the Contact of Elastic Solids, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.324, issue.1558, pp.301-313, 1558.
DOI : 10.1098/rspa.1971.0141

W. Kern, The Evolution of Silicon Wafer Cleaning Technology, Journal of The Electrochemical Society, vol.137, issue.6, p.1887, 1990.
DOI : 10.1149/1.2086825

N. A. Burnham, X. Chen, C. S. Hodges, G. A. Matei, E. J. Thoreson et al., Comparison of calibration methods for atomic-force microscopy cantilevers, Nanotechnology, vol.14, issue.1, pp.1-6, 2003.
DOI : 10.1088/0957-4484/14/1/301

H. J. Butt and M. Jaschke, Calculation of thermal noise in atomic force microscopy, Nanotechnology, vol.6, issue.1, pp.1-7
DOI : 10.1088/0957-4484/6/1/001

J. Villarrubia, Morphological estimation of tip geometry for scanned probe microscopy, Surface Science, vol.321, issue.3, pp.287-300, 1994.
DOI : 10.1016/0039-6028(94)90194-5

M. H. Lee and D. Lee, Elastic instability of polymer-shelled bubbles formed from air-in-oil-in-water compound bubbles, Soft Matter, vol.21, issue.18, p.4326, 2010.
DOI : 10.1039/c0sm00449a

M. Kopycinska-müller, R. H. Geiss, H. , and D. C. , Contact mechanics and tip shape in AFM-based nanomechanical measurements, Ultramicroscopy, vol.106, issue.6, pp.466-474, 2006.
DOI : 10.1016/j.ultramic.2005.12.006

L. Lin and D. Kim, Measurement of the elastic modulus of polymeric films using an AFM with a steel micro-spherical probe tip, Polymer Testing, vol.31, issue.7, pp.926-930, 2012.
DOI : 10.1016/j.polymertesting.2012.06.012

T. Salez, M. Benzaquen, and E. Raphaël, From adhesion to wetting of a soft particle, Soft Matter, vol.137, issue.45, p.10699, 2013.
DOI : 10.1039/c3sm51780b

J. Forrest, K. Dalnoki-veress, J. Stevens, and D. , Effect of Free Surfaces on the Glass Transition Temperature of Thin Polymer Films, Physical Review Letters, vol.77, issue.19, pp.4108-4108, 1996.
DOI : 10.1103/PhysRevLett.77.4108

U. Hübner, W. Morgenroth, H. Meyer, T. Sulzbach, B. Brendel et al., Downwards to metrology in nanoscale: determination of the AFM tip shape with well-known sharp-edged calibration structures, Applied Physics A: Materials Science & Processing, vol.76, issue.6, pp.913-917, 2003.
DOI : 10.1007/s00339-002-1975-6

M. André, T. Nelson, and R. Mattrey, Physical and Acoustical Properties of Perfluorooctylbromide, An Ultrasound Contrast Agent, INVESTIGATIVE RADIOLOGY, vol.25, issue.9, pp.983-987, 1990.
DOI : 10.1097/00004424-199009000-00004

N. Passerini and D. Q. Craig, An investigation into the effects of residual water on the glass transition temperature of polylactide microspheres using modulated temperature DSC, Journal of Controlled Release, vol.73, issue.1, pp.111-115, 2001.
DOI : 10.1016/S0168-3659(01)00245-0