[1] E. Lauga and T. R. Powers. The hydrodynamics of swimming microorganisms. Reports on Progress in Physics, 72(9):096601, 2009.
[2] T. Vicsek and A. Zafeiris. Collective motion. Phys. Rep., 517(3):71–140, 2012.
[3] M. C. Marchetti, J. F. Joanny, S. Ramaswamy, T. B. Liverpool, J. Prost, M. Rao, and R. Aditi Simha. Hydrodynamics of soft active matter. Rev. Mod. Phys., 85(3):1143–1189, 2013.
[4] J. Elgeti, R. G. Winkler, and G. Gompper. Physics of microswimmers—single particle motion and collective behavior: a review. Reports on Progress in Physics, 78(5):056601, 2015.
[5] I. S. Aranson. Bacterial active matter. Reports on Progress in Physics, 85(7):076601, 2022.
[6] H. Ceylan, J. Giltinan, K. Kozielski, and M. Sitti. Mobile microrobots for bioengineering applications. Lab Chip, 17:1705–1724, 2017.
[7] B. Jurado-Sánchez and J. Wang. Micromotors for environmental applications: a review. Environ. Sci.: Nano, 5:1530–1544, 2018.
[8] E. M. Purcell. Life at low Reynolds number. American Journal of Physics, 45(1):3–11, 1977.
[9] C. C. Maass, C. Krüger, S. Herminghaus, and C. Bahr. Swimming droplets. Annu. Rev. Condens. Matter Phys., 7(1):171–193, 2016.
[10] S. Michelin. Self-propulsion of chemically-active droplets, 2022. arXiv: 2204.08953 [physics.flu-dyn].
[11] Z. Izri, M. N. van der Linden, S. Michelin, and O. Dauchot. Self-propulsion of pure water droplets by spontaneous Marangoni-stress-driven motion. Phys. Rev. Lett., 113:248302, 2014.
[12] D. Kagan, R. Laocharoensuk, M. Zimmerman, C. Clawson, S. Balasubrama- nian, D. Kang, D. Bishop, S. Sattayasamitsathit, L. Zhang, and J. Wang. Rapid delivery of drug carriers propelled and navigated by catalytic nanoshut- tles. Small, 6(23):2741–2747, 2010. 47
[13] T. Ban, K. Tani, H. Nakata, and Y. Okano. Self-propelled droplets for extract- ing rare-earth metal ions. Soft Matter, 10:6316–6320, 2014.
[14] T. Ban, M. Sugiyama, Y. Nagatsu, and H. Tokuyama. Motion-based detec- tion of lanthanides (III) using self-propelled droplets. The Journal of Physical Chemistry B, 122(46):10647–10651, 2018.
[15] Y. Tu, F. Peng, A. A. M. André, Y. Men, M. Srinivas, and D. A. Wilson. Biodegradable hybrid stomatocyte nanomotors for drug delivery. ACS Nano, 11(2):1957–1963, 2017.
[16] C. Jin, C. Krüger, and C. C. Maass. Chemotaxis and autochemotaxis of self- propelling droplet swimmers. Proceedings of the National Academy of Sciences, 114(20):5089–5094, 2017.
[17] F. Geyer, M. D’Acunzi, A. Sharifi-Aghili, A. Saal, N. Gao, A. Kaltbeitzel, T-F. Sloot, R. Berger, H-J. Butt, and D. Vollmer. When and how self-cleaning of superhydrophobic surfaces works. Science Advances, 6(3):eaaw9727, 2020.
[18] C. de Blois, V. Bertin, S. Suda, M. Ichikawa, M. Reyssat, and O. Dauchot. Swimming droplets in 1D geometries: an active bretherton problem. Soft Mat- ter, 17:6646–6660, 2021.
[19] S. Suda, T. Suda, T. Ohmura, and M. Ichikawa. Straight-to-curvilinear motion transition of a swimming droplet caused by the susceptibility to fluctuations. Phys. Rev. Lett., 127:088005, 2021.
[20] M. Suga, S. Suda, M. Ichikawa, and Y. Kimura. Self-propelled motion switching in nematic liquid crystal droplets in aqueous surfactant solutions. Phys. Rev. E, 97:062703, 2018.
[21] B. V. Hokmabad, R. Dey, M. Jalaal, D. Mohanty, M. Almukambetova, K. A. Baldwin, D. Lohse, and C. C. Maass. Emergence of bimodal motility in active droplets. Phys. Rev. X, 11:011043, 2021.
[22] G. Li. Swimming dynamics of a self-propelled droplet. Journal of Fluid Me- chanics, 934:A20, 2022.
[23] R. Golestanian, T. B. Liverpool, and A. Ajdari. Propulsion of a molecular machine by asymmetric distribution of reaction products. Phys. Rev. Lett., 94:220801, 2005.
[24] B. V. Hokmabad, J. Agudo-Canalejo, S. Saha, R. Golestanian, and C. C. Maass. Chemotactic self-caging in active emulsions. Proceedings of the Na- tional Academy of Sciences, 119(24):e2122269119, 2022.
[25] S. Herminghaus, C. C. Maass, C. Krüger, S. Thutupalli, L. Goehring, and C. Bahr. Interfacial mechanisms in active emulsions. Soft Matter, 10:7008– 7022, 2014.
[26] K. Peddireddy, P. Kumar, S. Thutupalli, S. Herminghaus, and C. Bahr. Solu- bilization of thermotropic liquid crystal compounds in aqueous surfactant so- lutions. Langmuir, 28(34):12426–12431, 2012.
[27] R. Seemann, J-B. Fleury, and C. C. Maass. Self-propelled droplets. The Euro- pean Physical Journal Special Topics, 225(11):2227–2240, 2016.
[28] M. Schmitt and H. Stark. Marangoni flow at droplet interfaces: Three- dimensional solution and applications. Phys. Fluids, 28(1):012106, 2016.
[29] N. Yoshinaga. Simple models of self-propelled colloids and liquid drops: From individual motion to collective behaviors. Journal of the Physical Society of Japan, 86(10):101009, 2017.
[30] G. Quincke. Ueber periodische Ausbreitung an Flüssigkeitsoberflächen und dadurch hervorgerufene Bewegungserscheinungen. Annalen der Physik, 271(12):580–642, 1888.
[31] B. Otto. Untersuchungen über mikroskopische Schäume und das Protoplasma; Versuche und Beobachtungen zur Lösung der Frage nach den physikalischen Bedingungen der Lebenserscheinungen. Leipzig, W. Engelmann, 1892.
[32] Y. Nishigami, M. Ichikawa, T. Kazama, R. Kobayashi, T. Shimmen, K. Yoshikawa, and S. Sonobe. Reconstruction of active regular motion in amoeba extract: Dynamic cooperation between sol and gel states. PLOS ONE, 8(8):e70317, 2013.
[33] M. J. Lighthill. On the squirming motion of nearly spherical deformable bodies through liquids at very small Reynolds numbers. Commun. Pure. Appl. Math., 5(2):109–118, 1952.
[34] J. R. Blake. A spherical envelope approach to ciliary propulsion. J. Fluid Mech., 46(1):199–208, 1971.
[35] T. Ohmura, Y. Nishigami, A. Taniguchi, S. Nonaka, J. Manabe, T. Ishikawa, and M. Ichikawa. Simple mechanosense and response of cilia motion reveal the intrinsic habits of ciliates. Proc. Natl. Acad. Sci. U.S.A., 115(13):3231–3236, 2018.
[36] Y. Nishigami, T. Ohmura, A. Taniguchi, S. Nonaka, J. Manabe, T. Ishikawa, and M. Ichikawa. Influence of cellular shape on sliding behavior of ciliates. Commun. Integr. Biol., 11(4):e1506666, 2018.
[37] P-G. de Gennes, F. Brochard-Wyart, and D. Quéré. Capillarity and Wetting Phenomena. 2004.
[38] S. Ramaswamy. The mechanics and statistics of active matter. Annu. Rev. Condens. Matter Phys., 1(1):323–345, 2010.
[39] Y. Sumino, N. Magome, T. Hamada, and K. Yoshikawa. Self-running droplet: Emergence of regular motion from nonequilibrium noise. Phys. Rev. Lett., 94(6):068301, 2005.
[40] R. Shimizu and H. Tanaka. A novel coarsening mechanism of droplets in im- miscible fluid mixtures. Nat. Commun., 6(7407):7407, 2015.
[41] S. Katsura, A. Yamaguchi, N. Harada, K. Hirano, and A. Mizuno. Micro- reactors based on water-in-oil emulsion. In Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370), volume 2, pages 1124–1129, 1999.
[42] E. Verneuil, M. L. Cordero, F. Gallaire, and C. N. Baroud. Laser-induced force on a microfluidic drop: Origin and magnitude. Langmuir, 25(9):5127–5134, 2009.
[43] M. Ichikawa, F. Takabatake, K. Miura, T. Iwaki, N. Magome, and K. Yoshikawa. Controlling negative and positive photothermal migration of centimeter-sized droplets. Phys. Rev. E, 88:012403, 2013.
[44] J. Čejková, M. Novák, F. Štěpánek, and M. M. Hanczyc. Dynamics of chemo- tactic droplets in salt concentration gradients. Langmuir, 30(40):11937–11944, 2014.
[45] S. Thutupalli, R. Seemann, and S. Herminghaus. Swarming behavior of simple model squirmers. New J. Phys., 13(7):073021, 2011.
[46] A. Izzet, P. G. Moerman, P. Gross, J. Groenewold, A. D. Hollingsworth, J. Bi- bette, and J. Brujic. Tunable persistent random walk in swimming droplets. Phys. Rev. X, 10:021035, 2020.
[47] C. Krüger, G. Klös, C. Bahr, and C. C. Maass. Curling liquid crystal mi- croswimmers: A cascade of spontaneous symmetry breaking. Phys. Rev. Lett., 117:048003, 2016.
[48] T. Yamamoto and M. Sano. Chirality-induced helical self-propulsion of cholesteric liquid crystal droplets. Soft Matter, 13(18):3328–3333, 2017.
[49] M. Morozov and S. Michelin. Orientational instability and spontaneous rotation of active nematic droplets. Soft Matter, 15:7814–7822, 2019.
[50] F. Takabatake, N. Magome, M. Ichikawa, and K. Yoshikawa. Spontaneous mode-selection in the self-propelled motion of a solid/liquid composite driven by interfacial instability. J. Chem. Phys., 134(11):114704, 2011.
[51] F. Takabatake, K. Yoshikawa, and M. Ichikawa. Communication: Mode bifur- cation of droplet motion under stationary laser irradiation. J. Chem. Phys., 141(5):051103, 2014.
[52] K. H. Nagai, F. Takabatake, Y. Sumino, H. Kitahata, M. Ichikawa, and N. Yoshinaga. Rotational motion of a droplet induced by interfacial tension. Phys. Rev. E, 87:013009, 2013.
[53] M. Morozov and S. Michelin. Nonlinear dynamics of a chemically-active drop: From steady to chaotic self-propulsion. J. Chem. Phys., 150(4):044110, 2019.
[54] S. Michelin, E. Lauga, and D. Bartolo. Spontaneous autophoretic motion of isotropic particles. Phys. Fluids, 25(6):061701, 2013.
[55] W. Thielicke and E. J. Stamhuis. PIVlab towards user-friendly, affordable and accurate digital particle image velocimetry in matlab. open research software, 2(1):e30, 2014.
[56] W. T. Coffey and Y. P. Kalmykov. The Langevin Equation: With Applica- tions To Stochastic Problems In Physics, Chemistry And Electrical Engineering (Fourth Edition). World Scientific Series In Contemporary Chemical Physics. World Scientific Publishing Company, 2017.
[57] M. J. P. Comuñas, X. Paredes, F. M. Gaciño, J. Fernández, J. P. Bazile, C. Boned, J. L. Daridon, G. Galliero, J. Pauly, K. R. Harris, M. J. Assael, and S. K. Mylona. Reference correlation of the viscosity of squalane from 273 to 373 K at 0.1 MPa. J. Phys. Chem. Ref. Data, 42(3):033101, 2013.
[58] A. Farutin, S. Rafaï, D. K. Dysthe, A. Duperray, P. Peyla, and C. Misbah. Amoeboid swimming: A generic self-propulsion of cells in fluids by means of membrane deformations. Phys. Rev. Lett., 111:228102, 2013.
[59] N. P. Barry and M. S. Bretscher. Dictyostelium amoebae and neutrophils can swim. 107(25):11376–11380, 2010.
[60] E. J. Campbell and P. Bagchi. A computational model of amoeboid cell swim- ming. Physics of Fluids, 29(10):101902, 2017.
[61] H. Bruus. Theoretical Microfluidics. Oxford Master Series in Physics. 2008.
[62] J. Zhang, B. A. Grzybowski, and S. Granick. Janus particle synthesis, assembly, and application. Langmuir, 33(28):6964–6977, 2017.
[63] G. Volpe and S. Gigan. Simulation of the active Brownian motion of a mi- croswimmer. American Journal of Physics, 82(7):659–664, 2014.
[64] C. de Blois, M. Reyssat, S. Michelin, and O. Dauchot. Flow field around a confined active droplet. Phys. Rev. Fluids, 4:054001, 2019.