Fig. 9.

Fabrication of microparticles with various structures. Synthesis of a) teardrop or tail shaped alginate microparticles,¹¹⁸ Reprinted with permission from ref. 118. Copyright 2013, John Wiley & Sons, Inc. b) microparticles with complex shapes by selective solidification of a Janus type emulsion drop,¹²⁰Reprinted with permission from ref. 120. Copyright 2011, American Chemical Society. c) microcapsules with tunable encapsulation, degradation, and thermal properties by exploiting thiol-ene chemistry,⁸⁷ Reprinted with permission from ref. 87. Copyright 2017, American Chemical Society. d) amphiphilic Janus particles.¹²⁴ Reprinted with permission from ref. 124. Copyright 2006, American Chemical Society. e) microcapsules with multiple core components by using multiple inner flows during emulsification,¹²⁸ Reprinted with permission from ref. 128. Copyright 2010, Nature Publishing Group. f) microcapsules with Janus shells,¹²⁹ Reprinted with permission from ref. 129. Copyright 2010, American Chemical Society. g) triple emulsion drops with an ultra-thin intermediate layer for encapsulation of hydrophobic cargo in polymeric microcapsules⁴⁸(Reprinted with permission from ref. 48. Copyright 2016, John Wiley & Sons, Inc.) and h) porous microparticles by addition of tiny oil drops as porogens.¹³² Reprinted with permission from ref. 132. Copyright 2014, American Chemical Society.