[1] [1] V. S. Letokhov, “Stimulated emission of an ensemble of scattering particles with negative absorption,” ZhETF Prisma, 1967, 5(8): 262–265.

[2] [2] R. C. Polson and Z. V. Vardeny, “Random lasing in human tissues,” Applied Physics Letters, 2004, 85(7): 1289–1291.

[3] [3] B. Redding, M. A. Choma, and H. Cao, “Speckle-free laser imaging using random laser illumination,” Nature Photonics, 2012, 6(6): 355–359.

[4] [4] W. L. Zhang, Y. Y. Zhu, Y. J. Rao, Z. Wang, X. Jia, and H. Wu, “Random fiber laser formed by mixing dispersion compensated fiber and single mode fiber,” Optics Express, 2013, 21(7): 8544.

[5] [5] D. S. Wiersma, “Laser physics: the smallest random laser,” Nature, 2000, 406(6792): 132–133.

[6] [6] W. L. Zhang, Y. J. Rao, J. M. Zhu, Z. X. Yang, Z. N. Wang, and X. H. Jia, “Low threshold 2nd-order random lasing of a fiber laser with a half-opened cavity,” Optics Express, 2012, 20(13): 14400.

[7] [7] D. S. Wiersma, “The physics and applications of random lasers,” Nature Physics, 208, 4(5): 359–367.

[8] [8] Y. Ling, H. Cao, A. L. Burin, M. A. Ratner, X. Liu, and R. Chang, “Investigation of random lasers with resonant feedback,” Physical Review A, 2001, 64(6): 063808.

[9] [9] H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. Chang, “Random laser action in semiconductor powder,” Physical Review Letters, 1999, 82(11): 2278–2281.

[10] [10] D. S. Wiersma, M. P. Van Albada, and A. Lagendijk, “Coherent backscattering of light from amplifying random media,” Physical Review Letters, 1995, 75(9): 1739–1742.

[11] [11] H. Cao, “Lasing in random media,” Waves Random Complex, 2003, 13(13): R1–R39.

[12] [12] N. M. Lawandy, R. M. Balachandran, A. S. L. Gomes, and E. Sauvain, “Laser action in strongly scattering media,” Nature, 1994, 368(6470): 436–438.

[13] [13] S. Ferjani, A. De Luca, V. Barna, C. Versace, and G. Strangi, “Thermo-recurrent nematic random laser,” Optics Express, 2009, 17(3): 2042–2047.

[14] [14] Z. J. Hu, J. Y. Xia, Y. Y. Liang, J. X. Wen, E. M. Miao, J. J. Chen, et al., “Tunable random polymer fiber laser,” Optics Express, 2017, 25(15): 18421.

[15] [15] Z. J. Hu, H. J. Zheng, L. Wang, X. Tian, T. Wang, Q. Zhang, et al., “Random fiber laser of POSS solution-filled hollow optical fiber by end pumping,” Optics Communications, 2012, 285(19): 3967–3970.

[16] [16] Z. J. Hu, Q. Zhang, B. Miao, Q. Fu, G. Zou, Y. Chen, et al., “Coherent random fiber laser based on nanoparticles scattering in the extremely weakly scattering regime,” Physical Review Letters, 2012, 109(25): 253901.

[17] [17] Z. Tuzar and P. Kratochví, “Block and graft copolymer micelles in solution,” Advances in Colloid and Interface Science, 1976, 6(3): 201–232.

[18] [18] C. Price, Developments in block copolymers. London: Applied Science Publishers, 1982: 39.

[19] [19] J. Selb and Y. Gallot, Developments in block copolymers. London: Elsevier, 1985: 27.

[20] [20] L. Luo and A. Eisenberg, “Thermodynamic stabilization mechanism of block copolymer vesicles,” Journal of the American Chemical Society, 2001, 123(5): 1012.

[21] [21] E. Fattal, P. Couvreur, and C. Dubernet, “‘Smart’ delivery of antisense oligonucleotides by anionic pH-sensitive liposomes,” Advanced Drug Delivery Reviews, 2004, 56(7): 931–946.

[22] [22] W. J. Mulder, G. J. Strijkers, A. W. Griffioen, L. Van Bloois, G. Molema, G. Storm, et al., “A liposomal system for contrast-enhanced magnetic resonance imaging of molecular targets,” Bioconjugate Chemistry, 2004, 15(4): 799–806.

[23] [23] C. Nardin, J. Widmer, M. Winterhalter, and W. Meier, “Amphiphilic block copolymer nanocontainers as bioreactors,” The European Physical Journal E - Soft Matter, 2001, 4(4): 403–410.

[24] [24] M. Qi, G. Li, and Y. Gao, “Preparation and potential applications of polymer vesicles as drug carriers,” Ion Exchange & Adsorption, 2013, 29(5): 473–480.

[25] [25] J. J. L. M. Cornelissen, M. Fischer, N. A. J. M. Sommerdijk, and R. J. M. Nolte, “Helical superstructures from charged poly(styrene)- poly(isocyanodipeptide) block copolymers,” Science, 1998, 280(5368): 1427–1430.

[26] [26] S. J. Holder, N. A. J. M. Sommerdijk, S. J. Williams, R. J. M. Nolte, R. C. Hiorns, and R. G. Jones, “The first example of a poly(ethylene oxide)-poly (methylphenylsilane) amphiphilic block copolymer: vesicle formation in water,” Chemical Communications, 1998, 14: 1445–1446.

[27] [27] C. Nardin, T. Hirt, J. Leukel, and W. Meier, “Polymerized ABA triblock copolymer vesicles,” Langmuir, 2000, 16(3): 1035–1041.

[28] [28] H. Kukula, H. Schlaad, M. Antonietti, and S. Foerster, “The formation of polymer vesicles or “peptosomes” by polybutadiene-blockpoly( l-glutamate)s in dilute aqueous solution,” Journal of the American Chemical Society, 2002, 124(8): 1658.

[29] [29] B. M. Discher, D. A. Hammer, F. S. Bates, and D. E. Discher, “Polymer vesicles in various media,” Current Opinion in Colloid & Interface Science, 2000, 5(1–2): 125–131.

[30] [30] A. A. Choucair, A. H. Kycia, and A. Eisenberg, “Kinetics of fusion of polystyrene-b-poly(acrylic acid) vesicles in solution,” Langmuir, 2003, 19(4): 1001–1008.

[31] [31] M. Irie, “Stimuli-responsive poly (Nisopropylacrylamide). Photo- and chemical-induced phase transitions,” Advances in Polymer Science, 1993, 110: 49–65.

[32] [32] B. L. Feringa, W. F. Jager, B. Delange, and E. W. Meiger, “Chiroptical molecular switch,” Journal of the American Chemical Society, 1991, 113(14): 5468–5470.

[33] [33] J. Eastoe and A. Vesperinas, “Self-assembly of light-sensitive surfactants,” Soft Matter, 2005, 1(5): 338–347.

[34] [34] W. Su, K. Han, Y. Luo, Z. Wang, Y. Li, and Q. Zhang, “Formation and photoresponsive properties of giant microvesicles assembled from azobenzenecontaining amphiphilic diblock copolymers,” Macromolecular Chemistry & Physics, 2007, 208(9): 955–963.

[35] [35] W. Su, Y. Luo, Q. Yan, S. Wu, K. Han, Q. Zhang, et al., “Photoinduced fusion of micro-vesicles self-assembled from azobenzene-containing amphiphilic diblock copolymers,” Macromolecular Rapid Communications, 2007, 28(11): 1251–1256.

[36] [36] F. Lahoz, I. R. Martín, M. Urgellés, J. Marrero- Alonso, R. Marín, C. J. Saavedra, et al., “Random laser in biological tissues impregnated with a fluorescent anticancer drug,” Laser Physics Letters, 2015, 12(4): 045805.

[37] [37] M. Humar, A. Dobravec, X. Zhao, and S. H. Yun, “Biomaterial microlasers implantable in the cornea, skin, and blood,” Optica, 2017, 4(9): 1080.

[38] [38] M. C. Gather and S. H. Yun, “Single-cell biological lasers,” Nature Photonics, 2011, 5(7): 406–410.

[39] [39] Y. Wang, G. Shen, J. Gao, G. Zou, and Q. J. Zhang, “Dynamic orientation of azopyridine units within the shell of vesicles PNIPAM-b-PAzPyn copolymers,” Journal of Polymer Science Part B: Polymer Physics, 2015, 53(6): 415–421.

[40] [40] G. Y. Shen, G. S. Xue, J. Cai, G. Zou, Y. M. Li, and Q. J. Zhang, “Photo-induced reversible uniform to Janus shape change of vesicles composed of PNIPAM-b-PAzPy2,” Soft Matter, 2013, 9(8): 2512–2517.